WO2021056776A1 - 天线装置 - Google Patents

天线装置 Download PDF

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Publication number
WO2021056776A1
WO2021056776A1 PCT/CN2019/119614 CN2019119614W WO2021056776A1 WO 2021056776 A1 WO2021056776 A1 WO 2021056776A1 CN 2019119614 W CN2019119614 W CN 2019119614W WO 2021056776 A1 WO2021056776 A1 WO 2021056776A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
built
side frame
antenna unit
feed point
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2019/119614
Other languages
English (en)
French (fr)
Inventor
虞龙杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JRD Communication Shenzhen Ltd
Original Assignee
JRD Communication Shenzhen Ltd
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 JRD Communication Shenzhen Ltd filed Critical JRD Communication Shenzhen Ltd
Priority to US17/622,839 priority Critical patent/US11916299B2/en
Publication of WO2021056776A1 publication Critical patent/WO2021056776A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • 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
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • 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
    • H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
    • 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
    • H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/35—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using two or more simultaneously fed points
    • 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

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to an antenna device.
  • the fifth-generation communication technology (5G for short) has become a hot topic, and the time for 5G to be officially commercialized is getting closer and closer.
  • 4G ie LTE
  • the biggest difference between 5G and 4G (ie LTE) is that the transmission rate is greatly increased and the transmission delay is reduced to the millisecond level, which can bring a series of 5G-related industries further development and maturity, such as AR (enhanced Reality technology)/VR (virtual display technology) can use 5G transmission instead of wired transmission, and is no longer restricted by space;
  • AR enhanced Reality technology
  • VR virtual display technology
  • the 5G communication between unmanned vehicles and the millisecond transmission delay makes the vehicle travel more Security
  • mobile live broadcast of TV media uses 5G transmission, which can ensure excellent picture quality and real-time;
  • the Internet of Things uses 5G transmission, which enables the network to achieve high density and wide coverage; remote office, remote education, and remote medical care, especially in different locations When it is fixed and needs to be moved, 5G transmission is the best choice.
  • the antennas of 5G mobile phones can be divided into two categories according to frequency, namely millimeter wave antennas (20-60GHz) and antennas below 6GHz (Sub-6G for short).
  • the purpose of this disclosure is to provide an antenna device that can not only effectively solve the problems of the fifth generation communication technology that has not been disclosed in the prior art, but also support low frequency, intermediate frequency, high frequency and 3.x/4.x frequency bands. , Wi-Fi corresponding frequency bands, etc. and cover the frequency bands of mainstream operators around the world.
  • an embodiment of the present disclosure provides an antenna device, which includes: a first antenna unit disposed at one end of the terminal device; a second antenna unit disposed on the terminal device One end; a third antenna unit, which is arranged at one end of the terminal device; a fourth antenna unit, which is arranged on one end of the terminal device; and a fifth antenna unit, which is arranged on one end of the terminal device Section;
  • the first antenna unit includes: a first side frame, a first built-in antenna, a first ground and a first feeding point; wherein the first end of the first side frame is connected to the first A built-in antenna and the first ground wire, the second end of the first side frame is provided with the first feed point;
  • the second antenna unit includes: a second side frame, a first switch, a A second ground wire, a connecting wire, a second built-in antenna, a third built-in antenna, and a second feed point; wherein the first end of the second side frame is connected to the first end of the first switch,
  • the fifth antenna unit includes: a fourth side frame, a fifth ground wire, an eighth built-in antenna, a sixth ground wire and a fifth feed point; wherein the fourth side frame and the The fifth ground wire is connected; the fourth side frame and the eighth built-in antenna are spaced apart; the first end of the eighth built-in antenna is connected to the sixth ground wire, and the second of the eighth built-in antenna
  • the fifth feed point is provided at the end.
  • an embodiment of the present disclosure provides an antenna device, which includes: a first antenna unit disposed at one end of the terminal device; and a second antenna unit disposed at the terminal One end of the device;
  • the first antenna unit includes: a first side frame, a first built-in antenna, a first ground wire and a first feed point; wherein the first end of the first side frame is connected to The first built-in antenna and the first ground wire, the second end of the first side frame is provided with the first feed point;
  • the second antenna unit includes: a second side frame, a first Switch, a second ground wire, a connecting wire, a second built-in antenna, a third built-in antenna, and a second feed point; wherein the first end of the second side frame is connected to the first end of the first switch The second end of the second side frame is connected to the second ground wire; the second side frame is respectively connected to the second feed point and the second built-in antenna through the connecting wire;
  • the second end of the first switch is connected to the third built-in antenna
  • the antenna device further includes: a third antenna unit disposed at one end of the terminal equipment; wherein the third antenna unit includes: a fourth built-in antenna, a third feed point, and a third antenna. Ground, a fifth built-in antenna, and a sixth built-in antenna; the first end of the fourth built-in antenna is provided with the third feed point, and the second end of the fourth built-in antenna is connected to the third ground And the fourth built-in antenna is also connected to the fifth built-in antenna and the sixth built-in antenna, respectively.
  • the third antenna unit includes: a fourth built-in antenna, a third feed point, and a third antenna. Ground, a fifth built-in antenna, and a sixth built-in antenna; the first end of the fourth built-in antenna is provided with the third feed point, and the second end of the fourth built-in antenna is connected to the third ground And the fourth built-in antenna is also connected to the fifth built-in antenna and the sixth built-in antenna, respectively.
  • the antenna device further includes: a fourth antenna unit disposed at one end of the terminal device; wherein the fourth antenna unit includes: a third side frame, a fourth feed point, and a fourth antenna unit. Ground wire and a seventh built-in antenna; wherein the fourth feed point is provided at the first end of the third side frame, and the second end of the third side frame is connected to the fourth ground wire; The seventh built-in antenna is arranged on the third side frame.
  • the antenna device further includes: a fifth antenna unit disposed at one end of the terminal device; wherein the fifth antenna unit includes: a fourth side frame, a fifth ground wire, and an eighth Built-in antenna, a sixth ground wire, and a fifth feed point; wherein the fourth side frame is connected to the fifth ground wire; the fourth side frame and the eighth built-in antenna are spaced apart; the first The first end of the eight built-in antenna is connected to the sixth ground wire, and the second end of the eighth built-in antenna is provided with the fifth feed point.
  • the fifth antenna unit includes: a fourth side frame, a fifth ground wire, and an eighth Built-in antenna, a sixth ground wire, and a fifth feed point; wherein the fourth side frame is connected to the fifth ground wire; the fourth side frame and the eighth built-in antenna are spaced apart; the first The first end of the eight built-in antenna is connected to the sixth ground wire, and the second end of the eighth built-in antenna is provided with the fifth feed point.
  • the antenna device further includes: a sixth antenna unit disposed at one end of the terminal device; wherein the sixth antenna unit includes: a fifth side frame, a seventh ground wire, and a sixth antenna unit. Feed point, a second switch and a ninth built-in antenna; wherein one end of the fifth side frame is connected to the seventh ground, and the fifth side frame is provided with the sixth feed point and the A second switch; and the ninth built-in antenna is provided on the fifth side frame.
  • the antenna device further includes: a seventh antenna unit disposed at one end of the terminal device; wherein the seventh antenna unit includes: a sixth side frame, an eighth ground wire, and A seventh feed point, a tenth internal antenna, and an eleventh internal antenna; wherein the first end of the sixth side frame is connected to the eighth ground wire, and the sixth side frame is provided with the Seven feed points; the second end of the sixth side frame is connected to the tenth internal antenna; and the eleventh internal antenna is arranged on the fifth side frame.
  • the seventh antenna unit includes: a sixth side frame, an eighth ground wire, and A seventh feed point, a tenth internal antenna, and an eleventh internal antenna
  • the first end of the sixth side frame is connected to the eighth ground wire, and the sixth side frame is provided with the Seven feed points
  • the second end of the sixth side frame is connected to the tenth internal antenna
  • the eleventh internal antenna is arranged on the fifth side frame.
  • the antenna device further includes a plurality of grooves, and the plurality of grooves are arranged on the frame of the terminal device.
  • the first switch includes: a first switching state, which is an off state; a second switching state, which is connected to ground in parallel with a first preset value of inductance; and a third switching state, which is connected in parallel with a second preset value of inductance Grounding; the fourth switching state is grounding in parallel with the third preset value inductance; the fifth switching state is grounding in parallel with the fourth preset value inductance; and the sixth switching state is grounding in parallel with the fifth preset value inductance .
  • the second switch includes: a seventh switching state, which is an off state; an eighth switching state, which is grounded in parallel with a sixth preset value inductance; and a ninth switching state, which is a seventh preset value inductance in parallel Grounded.
  • the frequency band covered by the first antenna unit is at least one frequency band of 1710MHz-2200MHz, 2300MHz-2700MHz, 3.3GHz-4.2GHz, 4.4GHz-5GHz, 2400MHz-2500MHz, and 5150MHz-5850MHz;
  • the frequency band covered by the two antenna units is 620MHz-960 At least one frequency band of MHz, 1710MHz-2200MHz, 2300MHz-2700MHz, and 2400MHz-2500MHz;
  • the frequency band covered by the third antenna unit is at least one frequency band of 3.3GHz-4.2GHz, 4.4GHz-5GHz, and 5150MHz-5850MHz ;
  • the frequency band covered by the fourth antenna unit is 1575 MHz.
  • the frequency band covered by the fifth antenna unit is at least one of 2300MHz-2700MHz, 3.3GHz-4.2GHz, and 4.4GHz-5GHz; the frequency band covered by the sixth antenna unit is 620MHz-960MHz, 1710MHz -2200MHz at least one frequency band.
  • the frequency band covered by the seventh antenna unit is at least one frequency band of 1710MHz-2200MHz, 2300MHz-2700MHz, 3.3GHz-4.2GHz, and 4.4GHz-5GHz.
  • the advantage of the present disclosure is that the antenna device of the present disclosure can support low frequency (620MHz-960MHz) 2 ⁇ 2 MIMO (Multiple-Input Multiple-Output), intermediate frequency (1710MHz-2200MHz), high frequency (2300MHz- 2700MHz) and 3.x/4.x frequency bands (3.3GHz-4.2GHz, 4.4GHz-5GHz) 4 ⁇ 4 MIMO, Wi-Fi (2400MHz-2500MHz, 5150MHz-5850MHz) 2 ⁇ 2 MIMO, and cover global mainstream operations
  • the antenna unit occupies less space for the terminal device.
  • the maximum height required by the antenna unit installed on the top of the terminal device and the maximum height required by the antenna unit installed on the bottom of the terminal device are 1.3 respectively. mm and 3mm, 5 grooves are set on the terminal equipment to deploy 7 groups of antenna units.
  • the difference between the performance of the main antenna and the diversity antenna of the antenna device of this disclosure and the operator's requirement is 2dB
  • the 4 ⁇ 4 MIMO performance of the intermediate frequency, high frequency and 3.x/4.x frequency band is 2 ⁇ 2 MIMO increases by 1 ⁇ 2dB
  • the isolation between antenna elements is at the worst -10dB.
  • FIG. 1 is a schematic structural diagram of an antenna device provided by an embodiment of the disclosure.
  • FIG. 2 is a schematic diagram of the top structure of the antenna device provided by an embodiment of the disclosure.
  • FIG. 3 is a schematic diagram of the bottom structure of the antenna device provided by an embodiment of the disclosure.
  • FIG. 4 is a schematic diagram of the supported frequency bands of the first antenna unit provided by the embodiments of the disclosure.
  • FIG. 5 is a schematic diagram of the return loss of the second antenna unit provided by an embodiment of the disclosure.
  • FIG. 6 is a schematic diagram of the return loss of the third antenna unit provided by an embodiment of the disclosure.
  • FIG. 7 is a schematic diagram of the return loss of the fourth antenna unit provided by an embodiment of the disclosure.
  • FIG. 8 is a schematic diagram of the return loss of the fifth antenna unit provided by an embodiment of the disclosure.
  • FIG. 9 is a schematic diagram of the return loss of the sixth antenna unit provided by an embodiment of the disclosure.
  • FIG. 10 is a schematic diagram of the return loss of the seventh antenna unit provided by an embodiment of the disclosure.
  • first and second are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated, thereby limiting the terms “first” and “The feature of “second” may explicitly or implicitly include one or more of the features.
  • plurality means two or more than two, unless explicitly and specifically defined otherwise.
  • FIG. 1 it is a schematic structural diagram of an antenna device provided by an embodiment of the present disclosure.
  • the antenna device includes: a first antenna unit 100, a second antenna unit 200, a third antenna unit 300, a fourth antenna unit 400, a fifth antenna unit 500, a sixth antenna unit 600, a seventh antenna unit 700, and more A groove 800.
  • the frequency bands and ranges involved in this disclosure are as follows, low frequency: 620MHz -960MHz, intermediate frequency: 1710 MHz -2200MHz, high frequency: 2300 MHz -2700MHz, 3.x/4.x frequency band: 3.3 GHz -4.2GHz, 4.4 GHz -5GHz, Wi-Fi 2.4G: 2400MHz -2500MHz (also the frequency range of Bluetooth), Wi-Fi5G: 5150MHz -5850MHz, GPS: 1575MHz.
  • the plurality of grooves 800 are arranged on the frame of the terminal device 1, not only to divide the side frame of the terminal device 1 into a plurality of separate side frames, but also to isolate the mutual interference between the antenna units.
  • the required maximum height of the antenna unit installed on the top of the terminal device and the required maximum height of the antenna unit installed on the bottom of the terminal device are respectively 1.3 mm (label A in FIG. 1 ) And 3mm (label B in Figure 1).
  • the frequency band covered by the first antenna single 100 yuan is at least one frequency band among 1710 MHz-2200MHz, 2300 MHz-2700 MHz, 3.3GHz-4.2GHz, 4.4GHz-5GHz, 2400MHz-2500MHz, and 5150MHz-5850MHz.
  • the frequency bands covered by the first antenna unit 100 are 1710MHz-2200MHz and 2300MHz-2700MHz.
  • the frequency band covered by the second antenna unit 200 is at least one of 620MHz-960MHz, 1710MHz-2200MHz, 2300MHz-2700MHz, and 2400MHz-2500MHz.
  • the frequency bands covered by the second antenna for a single 200 yuan are 620MHz-960MHz and 1710MHz-2200MHz.
  • the frequency bands covered by the third antenna unit 300 are 3.3GHz-4.2GHz, 4.4GHz-5GHz, 5150 At least one frequency band in MHz-5850MHz.
  • the frequency bands covered by the single 300 yuan of the third antenna are 3.3GHz-4.2GHz and 4.4GHz-5GHz.
  • the frequency band covered by the fourth antenna unit 400 is 1575 MHz.
  • the frequency band covered by the fifth antenna unit 500 is at least one frequency band of 2300MHz-2700MHz, 3.3GHz-4.2GHz, and 4.4GHz-5GHz.
  • the frequency band covered by the fifth antenna for a single 500 yuan is 2300MHz-2700MHz.
  • the frequency band covered by the sixth antenna unit 600 is at least one of 620MHz-960MHz and 1710MHz-2200MHz.
  • the frequency band covered by the sixth antenna for a single 600 yuan is 620 MHz-960 MHz.
  • the frequency band covered by the seventh antenna unit 700 is at least one frequency band of 1710MHz-2200MHz, 2300MHz-2700MHz, 3.3GHz-4.2GHz, and 4.4GHz-5GHz.
  • the frequency bands covered by the seventh antenna with a single 700 yuan are 1710MHz-2200MHz and 2300MHz-2700MHz.
  • the first antenna unit 100 is located on the top of the terminal device 1, as shown in FIG. 1.
  • the first antenna unit 100 includes: a first side frame 111, a first built-in antenna 112, a first ground wire 131 and a first feed point 121.
  • the first end of the first side frame 111 is connected to the first built-in antenna 112 and the first ground 131, and the second end of the first side frame 111 is provided with the first feed point 121 .
  • the first antenna unit 100 covers five frequency bands: diversity central frequency, diversity high frequency, diversity 3.x/4.x, the first Wi-Fi 2.4G antenna, and the second Wi-Fi 5G antenna.
  • the first side frame 111 is preferably used in the form of a loop antenna for diversity (diversity refers to the first antenna) intermediate frequency, diversity high frequency and the first Wi-Fi 2.4G antenna, and the first internal antenna 112 is used for diversity 3. x/4.x and the second Wi-Fi 5G antenna.
  • the first antenna unit 100 does not use the S11 diagram corresponding to the matching circuit (that is, the return loss schematic diagram, in which the abscissa represents the frequency, and the ordinate represents the return loss).
  • the advantage of the above-mentioned first antenna 100 unit design is that the free space efficiency (return loss of different frequency bands) of each frequency band in the first antenna unit 100 is: the diversity center frequency is -7.8dB, and the diversity The high frequency is -7.7dB, the diversity 3.x/4.x is -9dB, the first Wi-Fi 2.4G antenna is -7.2dB, and the second Wi-Fi 5G antenna is -7.5dB.
  • the second antenna unit 200 is located on the top of the terminal device 1 and is arranged adjacent to the first antenna unit 100.
  • the second antenna unit 200 includes: a second side frame 211, a first switch 241, a second ground wire 231, a connecting wire 251, a second built-in antenna 212, and a third Built-in antenna 213 and a second feed point 221.
  • the first end of the second side frame 211 is connected to the first end of the first switch 241, and the second end of the second side frame 211 is connected to the second ground 231.
  • the second side frame is respectively connected to the second feed point 221 and the second built-in antenna 212 through the connecting line 251.
  • the second end of the first switch 241 is connected to the third internal antenna 213.
  • the second antenna unit 200 covers the diversity low frequency, MIMO (MIMO refers to more than two antennas) intermediate frequency, MIMO high frequency and the second Wi-Fi 2.4G antenna.
  • MIMO MIMO refers to more than two antennas
  • the second side frame 200 and the third built-in antenna 213 are combined together , And form the form of an inverted F antenna.
  • Such a design can realize diversity low frequency, and at the same time generate resonance at the middle and high frequencies, and the second built-in antenna 212 generates resonance at the middle and high frequencies.
  • the first switch 241 shown in FIG. 2 includes: a first switching state, which is an off state; a second switching state, which is grounded in parallel with the first preset value of inductance; and a third switching state, which is connected to the second
  • the preset value inductance is connected to ground in parallel;
  • the fourth switching state is connected to ground in parallel with the third preset value of inductor;
  • the fifth switching state is connected to ground in parallel with the fourth preset value of inductance;
  • the sixth switching state is connected to the fifth preset value of inductance.
  • Set value inductance in parallel to ground covering 620MHz respectively -650MHz, 720MHz -760MHz, 760MHz -800MHz, 790MHz -820MHz, 860MHz -890MHz and 920MHz -960MHz.
  • the diversity low frequency uses the first switch 241 to switch different states to achieve full coverage of the 620-960 MHz frequency band, and is divided into six switching states.
  • the first switch 241 when the first switch 241 is switched to the first switching state, it is an off state.
  • the value of the first preset value inductance is 56 nanohenries.
  • the value of the second preset value inductance is 33 nanohenries.
  • the value of the third preset value inductance is 26 nanohenries.
  • the value of the fourth preset value inductance is 18 nanohenries.
  • the value of the fifth preset value inductance is 9.8 nanohenries.
  • FIG. 5 it is a diagram of the antenna S11 of the second antenna unit 200 when the state of the first switch 241 is in the off state.
  • the advantage of the above-mentioned second antenna 200 unit design is that the free space efficiency of each frequency band in the second antenna unit 200 is: Diversity low frequency is -12.2dB, MIMO intermediate frequency is -11.2dB, MIMO The high frequency is -11.7dB, and the second Wi-Fi 2.4G antenna is -12.4dB.
  • the third antenna unit 300 is arranged on the top of the terminal device 1 and is arranged adjacent to the second antenna unit 200.
  • the third antenna unit 300 includes: a fourth internal antenna 311, a third feed point 321, a third ground wire 331, a fifth internal antenna 312 and a sixth internal antenna 313.
  • the first end of the fourth internal antenna 311 is provided with the third feed point 321, the second end of the fourth internal antenna 311 is connected to the third ground wire 331, and the fourth internal antenna 311 It is also connected to the fifth internal antenna 312 and the sixth internal antenna 313 respectively.
  • the third antenna unit 300 covers the first Wi-Fi 5G antenna and MIMO 3.x/4.x antenna, wherein the fourth internal antenna 311 is preferably a loop antenna, and the fifth internal antenna 312 and the sixth internal antenna 313 are preferably The parasitic antenna is designed in such a way that the fourth internal antenna 311, the fifth internal antenna 312, and the sixth internal antenna 313 work together to generate resonance at 3 GHz-6 GHz.
  • the S11 diagram corresponding to the third antenna unit 300 without a matching circuit As shown in FIG. 6, the S11 diagram corresponding to the third antenna unit 300 without a matching circuit. It can be seen from this figure that the advantage of the above-mentioned third antenna 300 unit design is that the free space efficiency of each frequency band in the third antenna unit 300 is: the first Wi-Fi 5G antenna is -6.4dB, MIMO 3.x The /4.x antenna is -11.8dB.
  • the fourth antenna unit 400 is arranged on the top of the terminal device 1 and is arranged adjacent to the third antenna unit 300.
  • the fourth antenna unit 400 includes: a third side frame 411, a fourth feed point 421, a fourth ground wire 431 and a seventh internal antenna 412.
  • the first end of the third side frame 411 is provided with the fourth feed point 421, and the second end of the third side frame 411 is connected to the fourth ground 431.
  • the seventh internal antenna 412 is disposed on the third side frame 411.
  • the fourth antenna unit 400 covers the GPS frequency band. Therefore, the third side frame 411 is preferably a loop antenna, and the seventh built-in antenna 412 is a parasitic antenna. With such a design, the third side frame 411 and the seventh built-in antenna 412 work together and operate at 1575MHz. Resonance occurs.
  • the S11 diagram corresponding to the fourth antenna unit 400 without a matching circuit As shown in FIG. 7, the S11 diagram corresponding to the fourth antenna unit 400 without a matching circuit. It can be seen from this figure that the advantage of the above-mentioned fourth antenna 400 unit design is that the free space efficiency of a single frequency band in the fourth antenna unit 400 is: GPS is -9.8dB.
  • the fifth antenna unit 500 is located at the bottom of the terminal device 1.
  • the fifth antenna unit 500 described in conjunction with FIG. 3 includes: a fourth side frame 511, a fifth ground wire 531, an eighth built-in antenna 512, a sixth ground wire 532, and a fifth feed point 521.
  • the fourth side frame 511 is connected to the fifth ground wire 531.
  • the first end of the eighth internal antenna 512 is connected to the sixth ground wire 532, the second end of the eighth internal antenna 512 is provided with the fifth feed 521 point, and the eighth internal antenna 512 It is arranged spaced apart from the fourth side frame 511.
  • the fifth antenna unit 500 covers the MIMO high frequency and the main set (the main set refers to the second antenna) 3.x/4.x.
  • the eighth built-in antenna 512 is preferably a loop antenna, and the fifth antenna unit 500 is coupled to the fourth side frame 511 through the built-in loop antenna, so as to generate resonance at high frequency and 3.x/4.x frequency band.
  • the S11 diagram corresponding to the fifth antenna unit 500 without a matching circuit As shown in FIG. 8, the S11 diagram corresponding to the fifth antenna unit 500 without a matching circuit. It can be seen from this figure that the advantage of the above-mentioned fifth antenna 500 unit design is that the free space efficiency of each frequency band in the fifth antenna unit 500 is: MIMO high frequency is -10.8dB, and the main set is 3.x/4.x. It is -8.3dB.
  • the sixth antenna unit 600 is disposed at the bottom of the terminal device 1 and is disposed adjacent to the fifth antenna unit 500.
  • the sixth antenna unit 600 includes: a fifth side frame 611, a seventh ground wire 631, a sixth feed point 621, a second switch 641 and a ninth internal antenna 612.
  • One end of the fifth side frame 611 is connected to the seventh ground wire 631, and the sixth feed point 621 and the second switch 641 are provided on the fifth side frame 611.
  • the ninth internal antenna 612 is disposed on the fifth side frame 611.
  • the sixth antenna unit 600 covers the main set of low frequencies and the main set of frequencies.
  • the fifth side frame 611 is preferably used as a low frequency in the form of an inverted F antenna.
  • the ninth internal antenna 612 is also in the form of an inverted F antenna and is designed in this way. The fifth side frame 611 and the ninth internal antenna 612 work together to generate an intermediate frequency.
  • the second switch 641 shown in FIG. 3 includes: a seventh switching state, which is an off state; an eighth switching state, which is grounded in parallel with a sixth preset value inductance; and a ninth switching state, which is a seventh preset Value inductors are grounded in parallel, covering 620MHz respectively -700MHz, 700MHz -800MHz and 790MHz -960MHz.
  • the second switch 641 when the second switch 641 is switched to the seventh switching state, it is in the off state.
  • the value of the sixth preset value inductance is 56 nanohenries.
  • the value of the seventh preset value inductance is 15 nanohenries.
  • the S11 diagram corresponding to the sixth antenna unit 600 without a matching circuit As shown in FIG. 9, the S11 diagram corresponding to the sixth antenna unit 600 without a matching circuit. It can be seen from this figure that the advantage of the above-mentioned sixth antenna 600 unit design is that the free space efficiency of each frequency band in the sixth antenna unit 600 is: the main low frequency is -9dB, and the main concentrated frequency is -4.9dB.
  • the seventh antenna unit 700 is arranged at the bottom of the terminal device 1 and is arranged adjacent to the sixth antenna unit 600.
  • the seventh antenna unit 700 includes: a sixth side frame 711, an eighth ground wire 731, a seventh feed point 721, a tenth internal antenna 712, and an eleventh internal antenna 713.
  • the first end of the sixth side frame 711 is connected to the eighth ground 731.
  • the seventh feed point 721 is provided on the sixth side frame 711.
  • the second end of the sixth side frame 711 is connected to the tenth internal antenna 712.
  • the eleventh internal antenna 713 is disposed on the fifth side frame 611.
  • the seventh antenna unit 700 covers the main set high frequency, MIMO intermediate frequency and MIMO 3.x/4.x.
  • the sixth side frame 711 is preferably used as the main high frequency in the form of a loop antenna, and at the same time there is resonance at the intermediate frequency, and the eleventh internal antenna 713 is arranged on the fifth side frame 611, so The tenth internal antenna 712 and the eleventh internal antenna 713 can resonate on 3.x/4.x by coupling with the ground wire.
  • the seventh antenna unit 700 does not use the matching circuit corresponding to the S11 diagram. It can be seen from this figure that the advantage of the above-mentioned sixth antenna 600 unit design is that each frequency band in the seventh antenna unit 700
  • the free-space efficiencies of are: -5.5dB for the main set high frequency, -11.6dB for the MIMO intermediate frequency, and -9dB for MIMO 3.x/4.x.
  • the worst isolation between the fifth antenna unit 500 and the sixth antenna unit 300 is -10dB
  • the worst isolation between the fifth antenna unit 500 and the seventh antenna unit 700 is -12dB
  • the worst isolation between the sixth antenna unit 600 and the seventh antenna unit 700 is -10dB.
  • the worst isolation between the fifth antenna unit 500, the sixth antenna unit 600 and the seventh antenna unit 700 is -10dB.
  • the three antenna units that is, the antenna units set at the bottom of the terminal device
  • the isolation is better.
  • the isolation between the first antenna unit 100 and the second antenna unit 200 is -11dB at the worst, and the isolation between the first antenna unit 100 and the third antenna unit 300 is -24dB at the worst.
  • the worst isolation between the fourth antenna unit 400 is -26dB, the worst isolation between the second antenna unit 200 and the third antenna unit 300 is -10dB, and the worst isolation between the second antenna unit 200 and the fourth antenna unit 400 The worst isolation is -17dB, and the worst isolation between the third antenna unit 300 and the fourth antenna unit 400 is -32dB.
  • the isolation between the first antenna unit 100, the second antenna unit 200, the third antenna unit 300, and the fourth antenna unit 400 is -10dB at the worst, so these 4 antennas
  • the isolation of the unit that is, the antenna unit set on the top of the terminal device
  • the advantage of the present disclosure is that the antenna device of the present disclosure can support low frequency (620MHz-960MHz) 2 ⁇ 2 MIMO (Multiple-Input Multiple-Output), intermediate frequency (1710MHz-2200MHz), high frequency (2300MHz- 2700MHz) and 3.x/4.x frequency bands (3.3GHz-4.2GHz, 4.4GHz-5GHz) 4 ⁇ 4 MIMO, Wi-Fi (2400MHz-2500MHz, 5150MHz-5850MHz) 2 ⁇ 2 MIMO, and cover global mainstream operations
  • the antenna unit occupies less space for the terminal device.
  • the maximum height required by the antenna unit installed on the top of the terminal device and the maximum height required by the antenna unit installed on the bottom of the terminal device are 1.3 respectively. mm and 3mm, 5 grooves are set on the terminal equipment to deploy 7 groups of antenna units.
  • the difference between the performance of the main antenna and the diversity antenna of the antenna device of this disclosure and the operator's requirement is 2dB
  • the 4 ⁇ 4 MIMO performance of the intermediate frequency, high frequency and 3.x/4.x frequency band is 2 ⁇ 2 MIMO is improved by 1 ⁇ 2dB
  • the isolation between antenna elements is -10dB at the worst.

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Abstract

本揭示提供一种天线装置，所述天线装置包括：一第一天线单元，设置于所述终端设备的一端部；以及一第二天线单元，设置于所述终端设备的一端部；所述第一天线单元包括：一第一侧边框、一第一内置天线、一第一地线和一第一馈点；其中所述第一侧边框的第一端连接至所述第一内置天线及所述第一地线，所述第一侧边框的第二端设有所述第一馈点；所述第二天线单元包括：一第二侧边框、一第一开关、一第二地线、一连接线、一第二内置天线、一第三内置天线及一第二馈点。

Description

天线装置
本申请要求于2019年09月23号提交中国专利局、申请号为201910898909.6、发明名称为“天线装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本揭示涉及通信技术领域，尤其涉及一种天线装置。
 背景技术
近年来，第五代通信技术（简称5G）成为了一个热门的话题，5G距离正式商用的时间也越来越近了。5G与4G（即LTE）相比，最大的差异点是传输速率大幅度提升和传输时延缩小至毫秒级，由此可带来一系列与5G相关产业进一步的发展和成熟，例如AR（增强现实技术）/VR（虚拟显示技术）可以使用5G传输从而代替有线传输，不再受空间上的束缚；无人驾驶的车与车之间的5G通信，毫秒级的传输时延使得车辆行驶更加安全；电视媒体的移动直播使用5G传输，可以保证优良的画质和实时性；物联网使用5G传输，使得网络实现高密度和广覆盖；远程办公、远程教育和远程医疗，特别是在位置不固定需要移动的场合，使用5G传输便是最佳的选择。
5G手机的天线，按照频率划分，可分为两类，分别是毫米波天线（20-60GHz）和6GHz以下天线（简称Sub-6G）。
因此，提供一种能够支持低频、中频、高频和3.x/4.x频段、Wi-Fi对应频段等且覆盖全球主流运营商的频段的天线装置成为了相关研究者和开发人员的重点研究项目。
 技术问题
本揭示的目的在于，提供了一种天线装置，不仅可以有效解现有技术还未公开的第五代通讯技术的问题，而且能够支持低频、中频、高频和3.x/4.x频段、Wi-Fi对应频段等且覆盖全球主流运营商的频段。
 技术解决方案
根据本揭示的一方面，本揭示实施例提供了一种天线装置，其包括：一第一天线单元，设置于所述终端设备的一端部；一第二天线单元，设置于所述终端设备的一端部；一第三天线单元，设置于所述终端设备的一端部；一第四天线单元，设置于所述终端设备的一端部；以及一第五天线单元，设置于所述终端设备的一端部；所述第一天线单元包括：一第一侧边框、一第一内置天线、一第一地线和一第一馈点；其中所述第一侧边框的第一端连接至所述第一内置天线及所述第一地线，所述第一侧边框的第二端设有所述第一馈点；所述第二天线单元包括：一第二侧边框、一第一开关、一第二地线、一连接线、一第二内置天线、一第三内置天线及一第二馈点；其中所述第二侧边框的第一端与所述第一开关的第一端相连，所述第二侧边框的第二端与所述第二地线相连；所述第二侧边框通过所述连接线分别与所述第二馈点及所述第二内置天线相连；所述第一开关的第二端与所述第三内置天线相连；所述第三天线单元包括：一第四内置天线、一第三馈点、一第三地线、一第五内置天线及一第六内置天线；所述第四内置天线的第一端设有所述第三馈点，所述第四内置天线的第二端与所述第三地线相连，且所述第四内置天线还分别连接至所述第五内置天线及所述第六内置天线；所述第四天线单元包括：一第三侧边框、一第四馈点、一第四地线及一第七内置天线；所述第三侧边框的第一端设有所述第四馈点，所述第三侧边框的第二端与所述第四地线相连；在所述第三侧边框上设置所述第七内置天线；所述第五天线单元包括：一第四侧边框、一第五地线、一第八内置天线、一第六地线及一第五馈点；其中所述第四侧边框与所述第五地线相连；所述第四侧边框与所述第八内置天线间隔设置；所述第八内置天线的第一端与所述第六地线相连，所述第八内置天线的第二端设有所述第五馈点。
根据本揭示的另一方面，本揭示实施例提供了一种天线装置，其包括：一第一天线单元，设置于所述终端设备的一端部；以及一第二天线单元，设置于所述终端设备的一端部；所述第一天线单元包括：一第一侧边框、一第一内置天线、一第一地线和一第一馈点；其中所述第一侧边框的第一端连接至所述第一内置天线及所述第一地线，所述第一侧边框的第二端设有所述第一馈点；所述第二天线单元包括：一第二侧边框、一第一开关、一第二地线、一连接线、一第二内置天线、一第三内置天线及一第二馈点；其中所述第二侧边框的第一端与所述第一开关的第一端相连，所述第二侧边框的第二端与所述第二地线相连；所述第二侧边框通过所述连接线分别与所述第二馈点及所述第二内置天线相连；所述第一开关的第二端与所述第三内置天线相连；其中所述第一天线单元与所述第二天线单元覆盖多个频段。
进一步地，所述天线装置还包括：一第三天线单元，设置于所述终端设备的一端部；其中所述第三天线单元包括：一第四内置天线、一第三馈点、一第三地线、一第五内置天线及一第六内置天线；所述第四内置天线的第一端设有所述第三馈点，所述第四内置天线的第二端与所述第三地线相连，且所述第四内置天线还分别连接至所述第五内置天线及所述第六内置天线。
进一步地，所述天线装置还包括：一第四天线单元，设置于所述终端设备的一端部；其中所述第四天线单元包括：一第三侧边框、一第四馈点、一第四地线及一第七内置天线；其中所述第三侧边框的第一端设有所述第四馈点，所述第三侧边框的第二端与所述第四地线相连；在所述第三侧边框上设置所述第七内置天线。
进一步地，所述天线装置还包括：一第五天线单元，设置于所述终端设备的一端部；其中所述第五天线单元包括：一第四侧边框、一第五地线、一第八内置天线、一第六地线及一第五馈点；其中所述第四侧边框与所述第五地线相连；所述第四侧边框与所述第八内置天线间隔设置；所述第八内置天线的第一端与所述第六地线相连，所述第八内置天线的第二端设有所述第五馈点。
进一步地，所述天线装置还包括：一第六天线单元，设置于所述终端设备的一端部；其中所述第六天线单元包括：一第五侧边框、一第七地线、一第六馈点、一第二开关及一第九内置天线；其中所述第五侧边框的一端与所述第七地线相连，所述第五侧边框上设有所述第六馈点及所述第二开关；以及在所述第五侧边框上设置所述第九内置天线。
进一步地，所述天线装置还包括：一第七天线单元，设置于所述终端设备的一端部；其中所述第七天线单元包括：一第六侧边框、一第八地线、一第七馈点、一第十内置天线及一第十一内置天线；其中所述第六侧边框的第一端与所述第八地线相连，所述第六侧边框上设有所述第七馈点；所述第六侧边框的第二端与所述第十内置天线相连；以及所述第十一内置天线设置于所述第五侧边框上。
进一步地，所述天线装置还包括多个凹槽，所述多个凹槽设置于所述终端设备的边框上。
进一步地，所述第一开关包括：第一切换状态，为断开状态；第二切换状态，为与第一预设值电感并联接地；第三切换状态，为与第二预设值电感并联接地；第四切换状态，为与第三预设值电感并联接地；第五切换状态，为与第四预设值电感并联接地；以及第六切换状态，为与第五预设值电感并联接地。
进一步地，所述第二开关包括：第七切换状态，为断开状态；第八切换状态，为与第六预设值电感并联接地；以及第九切换状态，为第七预设值电感并联接地。
进一步地，所述第一天线单元覆盖的频段为1710MHz-2200MHz、2300 MHz-2700MHz、3.3GHz-4.2GHz、4.4GHz-5GHz、2400MHz-2500MHz、5150MHz-5850MHz中的至少一种频段；所述第二天线单元覆盖的频段为620MHz-960 MHz、1710MHz-2200MHz、2300MHz-2700MHz、2400MHz-2500MHz中的至少一种频段；所述第三天线单元覆盖的频段为3.3GHz-4.2GHz、4.4GHz-5GHz、5150MHz-5850MHz中的至少一种频段；所述第四天线单元覆盖的频段为1575 MHz。
进一步地，所述第五天线单元覆盖的频段为2300MHz-2700MHz、3.3GHz-4.2GHz、4.4GHz-5GHz中的至少一种频段；所述第六天线单元覆盖的频段为620 MHz-960MHz、1710MHz-2200MHz中的至少一种频段。所述第七天线单元覆盖的频段为1710MHz-2200MHz、2300MHz-2700MHz、3.3GHz-4.2GHz、4.4GHz-5GHz中的至少一种频段。
 有益效果
本揭示的优点在于，本揭示所述天线装置能够支持低频（620MHz-960MHz）2×2 MIMO（Multiple-Input Multiple-Output，多入多出），中频（1710MHz-2200MHz）、高频（2300MHz-2700MHz）和3.x/4.x频段（3.3GHz-4.2GHz、4.4GHz-5GHz）4×4 MIMO，Wi-Fi （2400MHz-2500MHz、5150MHz-5850MHz）2×2 MIMO，并且覆盖全球主流运营商的频段，且天线单元的所占据终端设备的空间较小，设置在所述终端设备顶部的天线单元所需最大高度与设置在所述终端设备底的部天线单元所需最大高度分别为1.3mm和3mm，终端设备上设置5道凹槽以部署7组天线单元。经测试，本揭示所述天线装置的主集天线和分集天线的性能与运营商要求的差距为2dB，中频、高频和3.x/4.x频段的4×4 MIMO性能比2×2 MIMO提升1~2dB，并且天线单元之间的隔离度（隔离度是指天线单元与天线单元之间相互干扰的程度）最差为-10dB。
 附图说明
下面结合附图，通过对本申请的具体实施方式详细描述，将使本申请的技术方案及其它有益效果显而易见。
图1为本揭示实施例所提供的一种天线装置的结构示意图。
图2为本揭示实施例所提供的所述天线装置的顶部结构示意图。
图3为本揭示实施例所提供的所述天线装置的底部结构示意图。
图4为本揭示实施例所提供的第一天线单元的支持频段示意图。
图5为本揭示实施例所提供的第二天线单元回波损耗示意图。
图6为本揭示实施例所提供的第三天线单元回波损耗示意图。
图7为本揭示实施例所提供的第四天线单元回波损耗示意图。
图8为本揭示实施例所提供的第五天线单元回波损耗示意图。
图9为本揭示实施例所提供的第六天线单元回波损耗示意图。
图10为本揭示实施例所提供的第七天线单元回波损耗示意图。
 本发明的实施方式
下面将结合本揭示实施例中的附图，对本揭示实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本揭示一部分实施例，而不是全部的实施例，基于本揭示中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本揭示保护的范围。
在本揭示的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本揭示和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本揭示的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量，由此限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个所述特征，在本揭示的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
如图1所示，为本揭示实施例提供的一种天线装置结构示意图。所述天线装置包括：第一天线单元100、第二天线单元200、第三天线单元300、第四天线单元400、第五天线单元500、第六天线单元600、第七天线单元700及多个凹槽800。
本揭示所涉及到的频段及范围如下，低频：620MHz -960MHz，中频：1710 MHz -2200MHz，高频：2300 MHz -2700MHz，3.x/4.x频段：3.3 GHz -4.2GHz，4.4 GHz -5GHz，Wi-Fi 2.4G：2400MHz -2500MHz（也是蓝牙的频率范围），Wi-Fi5G：5150MHz -5850MHz，GPS：1575MHz。
所述多个凹槽800设置于所述终端设备1的边框上，不仅将终端设备1的侧边框分成多个单独的侧边框，而且能够隔离天线单元之间的相互干扰。
在本揭示的一个实施例中，设置在所述终端设备顶部的天线单元所需最大高度与设置在所述终端设备底的部天线单元所需最大高度分别为1.3mm（图1中的标号A）和3mm（图1中的标号B）。
所述第一天线单100元覆盖的频段为1710 MHz-2200MHz、2300 MHz-2700 MHz、3.3GHz-4.2GHz、4.4GHz-5GHz、2400MHz-2500MHz、5150MHz-5850MHz中的至少一种频段。例如，所述第一天线单元100覆盖的频段为1710MHz-2200MHz及2300MHz-2700MHz。
所述第二天线单元200覆盖的频段为620MHz-960MHz、1710MHz-2200MHz、2300MHz-2700MHz、2400MHz-2500MHz中的至少一种频段。例如，所述第二天线单200元覆盖的频段为620MHz-960MHz和1710MHz-2200MHz。
所述第三天线单元300覆盖的频段为3.3GHz-4.2GHz、4.4GHz-5GHz、5150 MHz-5850MHz中的至少一种频段。例如，所述第三天线单300元覆盖的频段为3.3GHz-4.2GHz和4.4GHz-5GHz。
所述第四天线单元400覆盖的频段为1575 MHz。
所述第五天线单元500覆盖的频段为2300MHz-2700MHz、3.3GHz-4.2GHz、4.4GHz-5GHz中的至少一种频段。例如，所述第五天线单500元覆盖的频段为2300MHz-2700MHz。
所述第六天线单元600覆盖的频段为620MHz-960MHz、1710MHz-2200MHz中的至少一种频段。例如，所述第六天线单600元覆盖的频段为620 MHz-960MHz。
所述第七天线单元700覆盖的频段为1710MHz-2200MHz、2300MHz-2700 MHz、3.3GHz-4.2GHz、4.4GHz-5GHz中的至少一种频段。例如，所述第七天线单700元覆盖的频段为1710MHz-2200MHz和2300MHz-2700MHz。
具体地，所述第一天线单元100位于终端设备1的顶部，如图1所示。结合图2所示，所述第一天线单元100包括：一第一侧边框111、一第一内置天线112、一第一地线131和一第一馈点121。其中所述第一侧边框111的第一端连接至所述第一内置天线112及所述第一地线131，所述第一侧边框111的第二端设置有所述第一馈点121。
第一天线单元100覆盖了分集中频、分集高频、分集3.x/4.x、第1根Wi-Fi 2.4G天线和第2根Wi-Fi 5G天线这五个频段范围。第一侧边框111优选地以环形天线的形式用作分集（分集是指第一根天线）中频、分集高频和第1根Wi-Fi 2.4G天线，第一内置天线112用作分集3.x/4.x和第2根Wi-Fi 5G天线。
如图4所示，第一天线单元100没有使用匹配电路对应的S11图（即回波损耗示意图，图中的横坐标表示频率，纵坐标表示回波损耗）。由该图可以看出，上述第一天线100单元设计的优点在于，第一天线单元100中各频段的自由空间效率（不同频段的回波损耗）分别为：分集中频为-7.8dB，分集高频为-7.7dB，分集3.x/4.x为-9dB，第1根Wi-Fi 2.4G天线为-7.2dB，第2根Wi-Fi 5G天线为-7.5dB。
继续参阅图1，所述第二天线单元200位于所述终端设备1的顶部，且与所述第一天线单元100相邻设置。结合图2所示，所述第二天线单元200包括：一第二侧边框211、一第一开关241、一第二地线231、一连接线251、一第二内置天线212、一第三内置天线213及一第二馈点221。其中所述第二侧边框211的第一端与所述第一开关241的第一端相连，所述第二侧边框211的第二端与所述第二地线231相连。所述第二侧边框通过所述连接线251分别与所述第二馈点221及所述第二内置天线相连212。所述第一开关241的第二端与所述第三内置天线213相连。
第二天线单元200覆盖了分集低频、MIMO（MIMO是指超过两根天线）中频、MIMO高频和第2根Wi-Fi2.4G天线，第二侧边框200和第三内置天线213组合在一起，并形成倒F天线的形式，如此设计，能够实现分集低频，同时在中高频处产生谐振，第二内置天线212在中高频处产生谐振。
另外，图2所示的所述第一开关241包括：第一切换状态，为断开状态；第二切换状态，为与第一预设值电感并联接地；第三切换状态，为与第二预设值电感并联接地；第四切换状态，为与第三预设值电感并联接地；第五切换状态，为与第四预设值电感并联接地；以及第六切换状态，为与第五预设值电感并联接地，分别覆盖620MHz -650MHz，720MHz -760MHz，760MHz -800MHz，790MHz -820MHz，860MHz -890MHz和920MHz -960MHz。
在本揭示的一个实施例中，分集低频是采用第一开关241切换不同的状态来实现620-960MHz频段的全覆盖，并分为六个切换状态。在六个切换状态中，当第一开关241切换至第一切换状态，为断开状态。当第一开关241切换至第二切换状态时，所述第一预设值电感的数值为56纳亨。当第一开关241切换至第三切换状态时，所述第二预设值电感的数值为33 纳亨。当第一开关241切换至第四切换状态时，所述第三预设值电感的数值为26纳亨。当第一开关241切换至第五切换状态时，所述第四预设值电感的数值为18 纳亨。当第一开关241切换至第六切换状态时，所述第五预设值电感的数值为9.8 纳亨。
如图5所示，为第二天线单元200在第一开关241状态为断开状态下的天线S11图。由该图可以看出，上述第二天线200单元设计的优点在于，所述第二天线单元200中各频段的自由空间效率分别为：分集低频为-12.2dB，MIMO中频为-11.2dB，MIMO高频为-11.7dB，第2根Wi-Fi2.4G天线为-12.4dB。
继续参阅图1，所述第三天线单元300设置于所述终端设备1的顶部，且与所述第二天线单元200相邻设置。结合图2所示，所述第三天线单元300包括：一第四内置天线311、一第三馈点321、一第三地线331、一第五内置天线312及一第六内置天线313。所述第四内置天线311的第一端设置有所述第三馈点321，所述第四内置天线311的第二端与所述第三地线331相连，且所述第四内置天线311还分别连接至所述第五内置天线312及所述第六内置天线313。
第三天线单元300覆盖了第1根Wi-Fi 5G天线和MIMO 3.x/4.x天线，其中第四内置天线311优选为环形天线，第五内置天线312和第六内置天线313优选为寄生天线，如此设计，使得第四内置天线311、第五内置天线312和第六内置天线313共同作用，并在3GHz-6GHz处产生谐振。
如图6所示，为第三天线单元300没有使用匹配电路所对应的S11图。由该图可以看出，上述第三天线300单元设计的优点在于，第三天线单元300中各频段的自由空间效率分别为：第1根Wi-Fi 5G天线为-6.4dB，MIMO 3.x/4.x天线为-11.8dB。
继续参阅图1，所述第四天线单元400设置于所述终端设备1的顶部，且与所述第三天线单元300相邻设置。结合图2所示，所述第四天线单元400包括：一第三侧边框411、一第四馈点421、一第四地线431及一第七内置天线412。所述第三侧边框411的第一端设置有所述第四馈点421，所述第三侧边框411的第二端与所述第四地线431相连。另外，所述第七内置天线412设置于所述第三侧边框411上。
所述第四天线单元400覆盖了GPS频段。因此，所述第三侧边框411优选为环形天线，所述第七内置天线412为寄生天线，如此设计，所述第三侧边框411和所述第七内置天线412共同作用，并在1575MHz处产生谐振。
如图7所示，为第四天线单元400没有使用匹配电路所对应的S11图。由该图可以看出，上述第四天线400单元设计的优点在于，第四天线单元400中的单个频段的自由空间效率为：GPS为-9.8dB。
继续参阅图1，所述第五天线单元500位于终端设备1的底部。结合图3所述第五天线单元500包括：一第四侧边框511、一第五地线531、一第八内置天线512、一第六地线532及一第五馈点521。其中所述第四侧边框511与所述第五地线531相连。所述第八内置天线512的第一端与所述第六地线532相连，所述第八内置天线512的第二端设置有所述第五馈521点，且所述第八内置天线512与所述第四侧边框511间隔设置。
第五天线单元500覆盖了MIMO高频和主集（主集是指第二根天线）3.x/4.x。第八内置天线512优选为环形天线，所述第五天线单元500通过内置的环形天线并与第四侧边框511耦合，从而能够在高频和3.x/4.x频段处产生谐振。
如图8所示，为第五天线单元500没有使用匹配电路所对应的S11图。由该图可以看出，上述第五天线500单元设计的优点在于，第五天线单元500中各频段的自由空间效率分别为：MIMO高频为-10.8dB，主集3.x/4.x为-8.3dB。
继续参阅图1，所述第六天线单元600设置于所述终端设备1的底部，且与所述第五天线单元500相邻设置。结合图3，所述第六天线单元600包括：一第五侧边框611、一第七地线631、一第六馈点621、一第二开关641及一第九内置天线612。其中所述第五侧边框611的一端与所述第七地线631相连，所述第五侧边框611上设有所述第六馈点621及所述第二开关641。所述第九内置天线612设置于所述第五侧边框611上。
第六天线单元600覆盖了主集低频和主集中频，所述第五侧边框611优选以倒F天线的形式用作低频，所述第九内置天线612也是采用倒F天线形式，如此设计，使得所述第五侧边框611与所述第九内置天线612共同作用产生中频。
另外，图3所示的第二开关641包括：第七切换状态，为断开状态；第八切换状态，为与第六预设值电感并联接地；以及第九切换状态，为第七预设值电感并联接地，分别覆盖620MHz -700MHz，700MHz -800MHz和790MHz -960MHz。
在本揭示的一个实施例中，当第二开关641切换至第七切换状态，为断开状态。当第二开关641切换至第八切换状态时，所述第六预设值电感的数值为56纳亨。当第二开关641切换至第九切换状态时，所述第七预设值电感的数值为15纳亨。
如图9所示，为第六天线单元600没有使用匹配电路所对应的S11图。由该图可以看出，上述第六天线600单元设计的优点在于，第六天线单元600中各频段的自由空间效率分别为：主集低频为-9dB，主集中频为-4.9dB。
继续参阅图1，所述第七天线单元700设置于所述终端设备1的底部，且与所述第六天线单元600相邻设置。结合图3，所述第七天线单元700包括：一第六侧边框711、一第八地线731、一第七馈点721、一第十内置天线712及一第十一内置天线713。其中所述第六侧边框711的第一端与所述第八地线731相连。所述第六侧边框711上设有所述第七馈点721。所述第六侧边框711的第二端与所述第十内置天线712相连。另外，所述第十一内置天线713设置于所述第五侧边框611上。
第七天线单元700覆盖了主集高频、MIMO中频和MIMO 3.x/4.x。所述第六侧边框711优选地以环形天线的形式用作主集高频，同时在中频处也有谐振，而且，所述第十一内置天线713设置于所述第五侧边框611上，因此所述第十内置天线712和所述第十一内置天线713能够通过与地线耦合而在3.x/4.x上产生谐振。
如图10所示，为第七天线单元700没有使用匹配电路所对应的S11图，由该图可以看出，上述第六天线600单元设计的优点在于，第七天线单元700中各频段的自由空间效率分别为：主集高频为-5.5dB，MIMO中频为-11.6dB，MIMO 3.x/4.x为-9dB。
当天线单元之间的间隔距离越大时，天线单元之间的互相干扰越小，但是由于受到终端设备尺寸大小限制，间隔距离无法无限制扩大。因此，通过上述设计，使得第五天线单元500与第六天线单元300之间的隔离最差为-10dB，第五天线单元500与第七天线单元700之间的隔离最差为-12dB，第六天线单元600与第七天线单元700之间的隔离最差为-10dB。第五天线单元500、第六天线单元600及第七天线单元700两两之间的隔离最差为-10dB，如此这样，使得这3个天线单元（即设置于终端设备底部的天线单元）的隔离度较好。
同样，第一天线单元100与第二天线单元200之间的隔离最差为-11dB，第一天线单元100与第三天线单元300之间的隔离最差为-24dB，第一天线单元100与第四天线单元400之间的隔离最差为-26dB，第二天线单元200与第三天线单元300之间的隔离最差为-10dB，第二天线单元200与第四天线单元400之间的隔离最差为-17dB，第三天线单元300与第四天线单元400之间的隔离最差为-32dB。如此设计，使得第一天线单元100、第二天线单元200、第三天线单元300及第四天线单元400，这4个天线单元两两之间的隔离最差为-10dB，因此这4个天线单元（即设置于终端设备顶部的天线单元）的隔离度较好。
本揭示的优点在于，本揭示所述天线装置能够支持低频（620MHz-960MHz）2×2 MIMO（Multiple-Input Multiple-Output，多入多出），中频（1710MHz-2200MHz）、高频（2300MHz-2700MHz）和3.x/4.x频段（3.3GHz-4.2GHz、4.4GHz-5GHz）4×4 MIMO，Wi-Fi （2400MHz-2500MHz、5150MHz-5850MHz）2×2 MIMO，并且覆盖全球主流运营商的频段，且天线单元的所占据终端设备的空间较小，设置在所述终端设备顶部的天线单元所需最大高度与设置在所述终端设备底的部天线单元所需最大高度分别为1.3mm和3mm，终端设备上设置5道凹槽以部署7组天线单元。经测试，本揭示所述天线装置的主集天线和分集天线的性能与运营商要求的差距为2dB，中频、高频和3.x/4.x频段的4×4 MIMO性能比2×2 MIMO提升1~2dB，并且天线单元之间的隔离度最差为-10dB。
综上所述，虽然本揭示已以优选实施例揭露如上，但上述优选实施例并非用以限制本揭示，本领域的普通技术人员，在不脱离本揭示的精神和范围内，均可作各种更动与润饰，因此本揭示的保护范围以权利要求界定的范围为准。

Claims (12)

  1. 一种天线装置，适用于一终端设备，其中所述天线装置包括：
    一第一天线单元，设置于所述终端设备的一端部；
    一第二天线单元，设置于所述终端设备的一端部；
    一第三天线单元，设置于所述终端设备的一端部；
    一第四天线单元，设置于所述终端设备的一端部；以及
    一第五天线单元，设置于所述终端设备的一端部；
    所述第一天线单元包括：一第一侧边框、一第一内置天线、一第一地线和一第一馈点；其中所述第一侧边框的第一端连接至所述第一内置天线及所述第一地线，所述第一侧边框的第二端设有所述第一馈点；
    所述第二天线单元包括：一第二侧边框、一第一开关、一第二地线、一连接线、一第二内置天线、一第三内置天线及一第二馈点；其中所述第二侧边框的第一端与所述第一开关的第一端相连，所述第二侧边框的第二端与所述第二地线相连；所述第二侧边框通过所述连接线分别与所述第二馈点及所述第二内置天线相连；所述第一开关的第二端与所述第三内置天线相连；
    所述第三天线单元包括：一第四内置天线、一第三馈点、一第三地线、一第五内置天线及一第六内置天线；所述第四内置天线的第一端设有所述第三馈点，所述第四内置天线的第二端与所述第三地线相连，且所述第四内置天线还分别连接至所述第五内置天线及所述第六内置天线；
    所述第四天线单元包括：一第三侧边框、一第四馈点、一第四地线及一第七内置天线；所述第三侧边框的第一端设有所述第四馈点，所述第三侧边框的第二端与所述第四地线相连；在所述第三侧边框上设置所述第七内置天线；
    所述第五天线单元包括：一第四侧边框、一第五地线、一第八内置天线、一第六地线及一第五馈点；其中所述第四侧边框与所述第五地线相连；所述第四侧边框与所述第八内置天线间隔设置；所述第八内置天线的第一端与所述第六地线相连，所述第八内置天线的第二端设有所述第五馈点。
  2. 一种天线装置，适用于一终端设备，其中所述天线装置包括：
    一第一天线单元，设置于所述终端设备的一端部；以及
    一第二天线单元，设置于所述终端设备的一端部；
    所述第一天线单元包括：一第一侧边框、一第一内置天线、一第一地线和一第一馈点；其中所述第一侧边框的第一端连接至所述第一内置天线及所述第一地线，所述第一侧边框的第二端设有所述第一馈点；
    所述第二天线单元包括：一第二侧边框、一第一开关、一第二地线、一连接线、一第二内置天线、一第三内置天线及一第二馈点；其中所述第二侧边框的第一端与所述第一开关的第一端相连，所述第二侧边框的第二端与所述第二地线相连；所述第二侧边框通过所述连接线分别与所述第二馈点及所述第二内置天线相连；所述第一开关的第二端与所述第三内置天线相连；
    其中所述第一天线单元与所述第二天线单元覆盖多个频段。
  3. 如权利要求2所述的天线装置，其中所述天线装置还包括：
    一第三天线单元，设置于所述终端设备的一端部；
    其中所述第三天线单元包括：一第四内置天线、一第三馈点、一第三地线、一第五内置天线及一第六内置天线；所述第四内置天线的第一端设有所述第三馈点，所述第四内置天线的第二端与所述第三地线相连，且所述第四内置天线还分别连接至所述第五内置天线及所述第六内置天线。
  4. 如权利要求3所述的天线装置，其中所述天线装置还包括：
    一第四天线单元，设置于所述终端设备的一端部；
    其中所述第四天线单元包括：一第三侧边框、一第四馈点、一第四地线及一第七内置天线；所述第三侧边框的第一端设有所述第四馈点，所述第三侧边框的第二端与所述第四地线相连；在所述第三侧边框上设置所述第七内置天线。
  5. 如权利要求2所述的天线装置，其中所述天线装置还包括：
    一第五天线单元，设置于所述终端设备的一端部；
    其中所述第五天线单元包括：一第四侧边框、一第五地线、一第八内置天线、一第六地线及一第五馈点；其中所述第四侧边框与所述第五地线相连；所述第四侧边框与所述第八内置天线间隔设置；所述第八内置天线的第一端与所述第六地线相连，所述第八内置天线的第二端设有所述第五馈点。
  6. 如权利要求5所述的天线装置，其中所述天线装置还包括：
    一第六天线单元，设置于所述终端设备的一端部；
    其中所述第六天线单元包括：一第五侧边框、一第七地线、一第六馈点、一第二开关及一第九内置天线；所述第五侧边框的一端与所述第七地线相连，所述第五侧边框上设有所述第六馈点及所述第二开关；以及在所述第五侧边框上设置所述第九内置天线。
  7. 如权利要求6所述的天线装置，其中所述天线装置还包括：
    一第七天线单元，设置于所述终端设备的一端部；
    其中所述第七天线单元包括：一第六侧边框、一第八地线、一第七馈点、一第十内置天线及一第十一内置天线；所述第六侧边框的第一端与所述第八地线相连，所述第六侧边框上设有所述第七馈点；所述第六侧边框的第二端与所述第十内置天线相连；以及所述第十一内置天线设置于所述第五侧边框上。
  8. 如权利要求2所述的天线装置，其中所述天线装置还包括多个凹槽，所述多个凹槽设置于所述终端设备的边框上。
  9. 如权利要求2所述的天线装置，其中所述第一开关包括：
    第一切换状态，为断开状态；
    第二切换状态，为与第一预设值电感并联接地；
    第三切换状态，为与第二预设值电感并联接地；
    第四切换状态，为与第三预设值电感并联接地；
    第五切换状态，为与第四预设值电感并联接地；以及
    第六切换状态，为与第五预设值电感并联接地。
  10. 如权利要求6所述的天线装置，其特征在于，所述第二开关包括：
    第七切换状态，为断开状态；
    第八切换状态，为与第六预设值电感并联接地；以及
    第九切换状态，为第七预设值电感并联接地。
  11. 如权利要求4所述的天线装置，其中所述第一天线单元覆盖的频段为1710MHz-2200MHz、2300MHz-2700MHz、3.3GHz-4.2GHz、4.4GHz-5GHz、2400MHz-2500MHz、5150MHz-5850MHz中的至少一种频段；
    所述第二天线单元覆盖的频段为620MHz-960MHz、1710MHz-2200MHz、2300MHz-2700MHz、2400MHz-2500MHz中的至少一种频段；
    所述第三天线单元覆盖的频段为3.3GHz-4.2GHz、4.4GHz-5GHz、5150 MHz-5850MHz中的至少一种频段；
    所述第四天线单元覆盖的频段为1575 MHz。
  12. 如权利要求7所述的天线装置，其中所述第五天线单元覆盖的频段为2300MHz-2700MHz、3.3GHz-4.2GHz、4.4GHz-5GHz中的至少一种频段；
    所述第六天线单元覆盖的频段为620MHz-960MHz、1710MHz-2200MHz中的至少一种频段；以及
    所述第七天线单元覆盖的频段为1710MHz-2200MHz、2300MHz-2700MHz、3.3GHz-4.2GHz、4.4GHz-5GHz中的至少一种频段。
PCT/CN2019/119614 2019-09-23 2019-11-20 天线装置 Ceased WO2021056776A1 (zh)

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