EP2999046A1 - Multi-antenna system and mobile terminal - Google Patents
Multi-antenna system and mobile terminal Download PDFInfo
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- EP2999046A1 EP2999046A1 EP14817649.8A EP14817649A EP2999046A1 EP 2999046 A1 EP2999046 A1 EP 2999046A1 EP 14817649 A EP14817649 A EP 14817649A EP 2999046 A1 EP2999046 A1 EP 2999046A1
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- antenna
- dielectric substrate
- antennas
- pifa
- metal ground
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- 239000000758 substrate Substances 0.000 claims abstract description 114
- 239000002184 metal Substances 0.000 claims abstract description 77
- PEZNEXFPRSOYPL-UHFFFAOYSA-N (bis(trifluoroacetoxy)iodo)benzene Chemical compound FC(F)(F)C(=O)OI(OC(=O)C(F)(F)F)C1=CC=CC=C1 PEZNEXFPRSOYPL-UHFFFAOYSA-N 0.000 claims abstract description 66
- 230000005855 radiation Effects 0.000 claims abstract description 61
- 239000000523 sample Substances 0.000 claims description 26
- 238000002955 isolation Methods 0.000 abstract description 32
- 230000009977 dual effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 11
- 238000004088 simulation Methods 0.000 description 9
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 5
- 238000010295 mobile communication Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- VJYFKVYYMZPMAB-UHFFFAOYSA-N ethoprophos Chemical compound CCCSP(=O)(OCC)SCCC VJYFKVYYMZPMAB-UHFFFAOYSA-N 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
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Classifications
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- 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
- H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
-
- 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
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
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- 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
- 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
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0421—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with a shorting wall or a shorting pin at one end of the element
Definitions
- the present invention relates to the technical field of wireless communication and, in particular, to a multi-antenna system and a mobile terminal.
- An antenna is an important constituent part of a wireless communication system.
- a single antenna is used for transmitting and receiving signals.
- a channel is affected by environment factors such as the geography, temperature, humidity and the like, so that the propagation of the radio waves is faded greatly in the air, which affects the quality of mobile communication.
- MIMO Multi-Input Multi-Output
- embodiments of the present invention provide a multi-antenna system and a mobile terminal, in order to increase a number of antennas in a dual-band mobile terminal, and meanwhile to achieve a higher isolation degree.
- embodiments of the present invention provide a multi-antenna system, which includes:
- the second preset threshold is 40mm.
- a fourth possible implementation of the first aspect there are two second kind of PIFA antennas, the two second kind of PIFA antennas are disposed 1mm-5mm above the first dielectric substrate and the second dielectric substrate respectively, and the four first kind of PIFA antennas are symmetrical to the two second kind of PIFA antennas with respect to the XOZ plane and the YOZ plane.
- the first grooves are U-type grooves.
- the second groove is a polygonal-shape groove.
- the radiation patches of both the first kind of PIFA antennas and the second kind of PIFA antennas are rectangular.
- a dielectric constant of the dielectric substrates is 1 ⁇ 9.8.
- the embodiments of the present invention provide a mobile terminal, which includes: a mobile terminal body and any one of the above mentioned multi-antenna systems, where the mobile terminal body is connected with the multi-antenna system, and the multi-antenna system is configured to transmit and receive signals for the mobile terminal body.
- the multi-antenna system and the mobile terminal achieved by the above embodiments achieves a dual band by PIFA antennas on the dielectric substrates and grooves on the radiation patches of the antennas, improves an isolation degree between the antennas by disposing isolated branch knot between the antennas, and further improves the isolation degree between the antennas on the two dielectric substrates by two independent dielectric substrates and a metal ground plate.
- the PIFA antennas are used, so that the multi-antenna system and the mobile terminal can increase the number of antennas in a limited space as many as possible.
- FIG. 1 is a structural schematic diagram of a multi-antenna system according to an embodiment of the present invention.
- the multi-antenna system includes: two metal ground plates, two dielectric substrates, four first kind of PIFA antennas and four isolated branch knots.
- the two metal ground plates includes metal ground plate 8a and metal ground plate 8b, and the metal ground plate 8a and metal ground plate 8b are located in a same azimuth plane, where a distance between the two metal ground plates is greater than or equal to a first preset threshold, e.g. 30mm, which can reduce coupling between antennas 1, 3 on the dielectric substrate 7a and antennas 4, 6 on the dielectric substrate 7b, and can improve an isolation degree between antennas 1, 3 and antennas 4, 6.
- a first preset threshold e.g. 30mm
- the two dielectric substrates includes dielectric substrate 7a and dielectric substrate 7b, where the dielectric substrate 7a and the dielectric substrate 7b are located in a same azimuth plane, the dielectric substrate 7a is located above the metal ground plate 8a, and the dielectric substrate 7b is located above the metal ground plate 8b.
- a distance between the two dielectric substrates is greater than or equal to a second preset threshold, e.g. 40mm, which can reduce the coupling between the antennas 1, 3 on the dielectric substrate 7a and the antennas 4, 6 on the dielectric substrate 7b, and can improve the isolation degree between the antennas 1, 3 and the antennas 4, 6.
- the four first kind of PIFA antennas includes: the antenna 1, the antenna 3, the antenna 4, and the antenna 6, and each of the first kind of PIFA antennas includes: a radiation patch, a probe type feeder line and a metal shorting pin, for example, the antenna 1 includes radiation patch 1d, probe type feeder line 1a and metal shorting pin 1b (see below and description about FIG. 3 - FIG. 5b ).
- First grooves are disposed on the radiation patches of the first kind of PIFA antennas.
- a shape of the first grooves is not limited herein, as long as it can enable an antenna to which it belongs work in a new frequency band.
- a U-type groove 1c is etched on the radiation patch 1d of the antenna 1.
- Two first kind of PIFA antennas are disposed on each of the two dielectric substrates, and an isolated branch knot is disposed between the first kind of PIFA antennas.
- the antenna 1 and the antenna 3 are disposed on the dielectric substrate 7a, and the antenna 4 and the antenna 6 are disposed on the dielectric substrate 7b.
- the isolated branch knot 11 and the isolated branch knot 12 are disposed between the antenna 1 and the antenna 3 and between the antenna 4 and the antenna 6, respectively.
- the isolated branch knot 11 and the isolated branch knot 12 are printed on the dielectric substrate 7a, and the dielectric substrate 7b.
- the isolated branch knot 11 is an E-type isolated branch knot, including a horizontal branch knot 111, a first longitudinal branch knot 112, a second longitudinal branch knot 113, and a third longitudinal branch knot 114.
- the horizontal branch knot 111 is located at a side of the antenna 1 and the antenna 3 which is close to the dielectric substrate 7b, and is configured to isolate the antennas 1, 3 from the antennas 4, 6.
- the first longitudinal branch knot 112 is located between the antenna 1 and the antenna 3, to isolate the antenna 1 from the antenna 3; the second longitudinal branch knot 113 and the third longitudinal branch knot 114 are located at the lateral side of the antenna 3 and the lateral side of the antenna 1 respectively, to isolate the antenna 1, the antenna 3 from the external.
- the isolated branch knot 12 is a T-type isolated branch knot, including a horizontal branch knot 121 and a longitudinal branch knot 122, which interlocks with the isolated branch knot 11, so that the antenna 1 and the antenna 3 are enveloped in a space formed by the horizontal branch knot 121, the horizontal branch knot 111 and the longitudinal branch knot 122, the first longitudinal branch knot 112, the second longitudinal branch knot 113 and the third longitudinal branch knot 114.
- the radiation patches of the antenna 1 and the antenna 3 on the dielectric substrate 7a are disposed on the dielectric substrate 7a, and are connected to the metal ground plate 8a under the dielectric substrate 7a via the probe type feeder lines and the metal shorting pins thereof.
- the radiation patch 1d of the antenna 1 is connected to the metal ground plate 8a via the probe type feeder line 1a and the metal shorting pin 1b.
- the radiation patches of the two first kind of PIFA antennas on the dielectric substrate 7b are disposed on the dielectric substrate 7b, and are connected to the metal ground plate 8b under the dielectric substrate 7b via the probe type feeder lines and the metal shorting pins of the first kind of PIFA antennas.
- the four first kind of PIFA antennas are symmetrical to each other with respect to XOZ plane and YOZ plane.
- the multi-antenna system reduces coupling of the antennas on the two dielectric substrates in the multi-antenna system in two frequency bands, by disposing two independent dielectric substrates and two correspondingly parallel and independent metal ground plates, and it can achieve a dual band by disposing the four symmetric first kind of PIFA antennas on the dielectric substrates and disposing grooves on the radiation patches of the antennas.
- it can further improve the isolation degree of the multi-antenna system by disposing the isolated branch knot between the antennas.
- the PIFA antennas are small, and the antenna system can increase the number of antennas in a limited space and can achieve a higher isolation degree.
- the PIFA antenna has a low cost, is easy to be manufactured, and is easy to be integrated with the microwave circuits at the radio frequency front-end.
- FIG. 2 is a structural schematic diagram of a multi-antenna system according to another embodiment of the present invention.
- the present embodiment is similar to that according to FIG. 1 , a second kind of PIFA antenna is disposed on the dielectric substrate 7b, i.e., an antenna 5, and that the dielectric substrate 7b has 4 isolated branch knots, including two T-type isolated branch knots 9 and two ⁇ -type isolated branch knots 10 (referring to the embodiment according to FIG. 3 in the below).
- the T-type isolated branch knots 9 are printed between antenna 4 and antenna 5, as well as between antenna 5 and antenna 6, which can effectively reduce coupling between adjacent antennas in high frequency band.
- the ⁇ -type isolated branch knots 10 are printed between antenna 4 and antenna 5, as well as between antenna 5 and antenna 6, which can effectively reduce coupling between adjacent antennas in low frequency band.
- the antenna 5 includes a radiation patch 5d, a probe type feeder line 5a and a metal shorting pin 5b, and the radiation patch 5d is above the dielectric substrate 7b. Due to that there is a certain distance between the antenna 5 and the dielectric substrate 7b, and the antenna 5 and its adjacent antenna 4 and antenna 6 are not in a same plane, it can effectively reduce the coupling of the adjacent antenna 4 and antenna 6 in both high frequency band and low frequency band. For example, the distance between the antenna 5 and the dielectric substrate 7b is 1mm ⁇ 5mm, which improves the isolation degree between the antenna 5 and the antennas 4, 6.
- a second groove is etched on the radiation patch 5d, such as a polygonal-shape groove 5c, and the antenna 5 is located between the antenna 4 and the antenna 6, which further reduce the coupling between the antenna 4 and the antenna 6 effectively.
- a dielectric constant of the dielectric substrate 7a and the dielectric substrate 7b may be between 1 ⁇ 9.8.
- FIG. 3 is a structural schematic diagram of a multi-antenna system according to another embodiment of the present invention.
- the multi-antenna system includes six PIFA antennas, eight isolated branch knots, two metal ground plates and two dielectric substrates.
- first kind of PIFA antennas an antenna 1, an antenna 3, an antenna 4 and an antenna 6, and two second kind of PIFA antennas: an antenna 3 and an antenna 5.
- the isolated branch knots includes four T-type isolated branch knots 9 and four ⁇ -type isolated branch knots 10.
- Two metal ground plates include metal ground plate 8a and metal ground plate 8b.
- Two dielectric substrates include dielectric substrate 7a and dielectric substrate 7b.
- the dielectric substrate 7a is located above the metal ground plate 8a, and the dielectric substrate 7b is located above the metal ground plate 8b.
- a foam support layer may be used to support between the dielectric substrate 7a and the metal ground plate 8a, as well as between the dielectric substrate 7b and the metal ground plate 8b.
- a distance between the dielectric substrate 7a and the dielectric substrate 7b is 40mm, and a distance between the metal ground plate 8a and the metal ground plate 8b is 30mm.
- the isolation degree between the antennas on the surface of substrate 7a and the antennas on the surface of substrate 7b can be adjusted by changing the distance between the dielectric substrate 7a and the dielectric substrate 7b, and the distance between the metal ground plate 8a and the metal ground plate 8b.
- the antenna 1, the antenna 2 and the antenna 3 are disposed on the dielectric substrate 7a, and the antenna 4, the antenna 5 and the antenna 6 are disposed on the dielectric substrate 7b.
- the multi-antenna system provided by the present embodiment is symmetrical to each other with respect to the XOZ plane and the YOZ plane.
- the structure and principle of the antenna 1 is the same as those of the antenna 3, the antenna 4 and the antenna 6, and the following takes the antenna 1 as an example to describe the first kind of PIFA antennas.
- the antenna 1 includes a radiation patch 1d, a probe type feeder line 1a and a metal shorting pin 1b.
- the radiation patch 1d is connected to the metal ground plate 8a via the probe type feeder line 1a and the metal shorting pin 1b.
- the radiation patch 1d has a length of 15.1mm, and a width of 9mm, forming a working frequency band of the antenna 1 in 2.53GHz-2.62GHz, and a low frequency working frequency band needed by antenna 1 can be obtained by adjusting the size of the radiation patch 1d.
- the U-type groove 1c forms the working frequency band of the antenna 1 in 3.44GHz-3.6GHz, and a high frequency working frequency band needed by the antenna 1 can be obtained by adjusting the sizes of c1 and c2. In such a way, the antenna 1 covers two working frequency bands in both 2.53GHz-2.62GHz and 3.44 GHz - 3.6GHz.
- the probe type feeder line 1a has a radius of 0.7mm and a height of 8.4mm, and a distance between its circle center and the bottom of the radiation patch is 10.1mm.
- the metal shorting pin 1b has a radius of 0.9mm and a height of 8.4mm, and a distance between its circle center and the circle center of the probe type feeder line 1a is 3.8mm.
- the working bandwidth and impedance matching characteristic of the antenna 1 can be adjusted by adjusting the radiuses, positions and heights of the probe type feeder line 1a and the metal shorting pin 1b.
- the structure and principle of the antenna 2 is the same as those of the antenna 5, and the following takes the antenna 5 as an example to describe the second kind of PIFA antennas.
- the antenna 5 includes a radiation patch 5d, a probe type feeder line 5a and a metal shorting pin 5b.
- the radiation patch 5d is connected to the metal ground plate 8b via the probe type feeder line 5a and the metal shorting pin 5b.
- the radiation patch 5d is located above the dielectric substrate 7b, and has a distance to the dielectric substrate 7b of 1mm ⁇ 5mm.
- the radiation patch 5d has a length of 15.2mm, and a width of 10mm, which forms a working frequency band of an antenna in 2.52GHz-2.63GHz, and it can get a low frequency working frequency band needed by the antenna 5 can be obtained by adjusting the size of the radiation patch 5d.
- the polygonal-shape groove 5c forms the working frequency band of the antenna 5 in 3.45GHz-3.61GHz, and a high frequency working frequency band needed by the antenna 5 can be obtained by adjusting the sizes of d1, d2, d3 and d4. In such a way, the antenna 5 covers two frequency bands in both 2.52GHz-2.63GHz and 3.45 GHz -3.61GHz.
- the probe type feeder line 5a has a radius of 0.7mm, and a height of 10.4mm, and a distance between its circle center and the bottom of the radiation patch is 10.2mm.
- the metal shorting pin 5b has a radius of 0.9mm, and a height of 10.4mm, and a distance between its circle center and the circle center of the probe type feeder line 5a is 3.8mm.
- the working bandwidth and impedance matching characteristic of the antenna 5 can be adjusted by adjusting the radiuses, positions and heights of the probe type feeder line 5a and the metal shorting pin 5b.
- T-type isolated branch knots 9 and inverted ⁇ -type isolated branch knots 10 are printed on the dielectric substrate 7a.
- Longitudinal branch knots of the T-type isolated branch knots 9 and the inverted ⁇ -type isolated branch knots 10 are located between the antenna 1 and the antenna 2 and between the antenna 2and the antenna 3, and horizontal branch knots of the T-type isolated branch knots 9 and the inverted ⁇ -type isolated branch knots 10 are located at both sides of the antenna 1, the antenna 2 and the antenna 3.
- the T-type isolated branch knot 9 includes a horizontal branch knot 91 and a longitudinal branch knot 92, where the horizontal branch knot 91 is closely next to an upper edge of the substrate 7a, with a distance of 1mm to the side edge of the substrate, and the horizontal branch knot 91 has a length of 28mm and a width of 1mm.
- the longitudinal branch knot 92 has a length of 15mm and a width of 2mm.
- the ⁇ -type isolated branch knot 10 includes a horizontal branch knot 101, a first longitudinal branch knot 102 and a second longitudinal branch knot 103.
- the ⁇ -type isolated branch knot 10 is placed invertedly, and its horizontal branch knot 101 has a distance of 2.9mm to the bottom edge of the dielectric substrate 7a, and both sides of the horizontal branch knot 101 are closely next to the side edges of the dielectric substrate 7a.
- the horizontal branch knot 101 has a length of 33mm and a width of 0.5mm.
- the longitudinal branch knot 102 has a length of 11.5mm and a width of 1mm, and the longitudinal branch knot 103 has a length of 7mm and a width of 2.375mm.
- the radiation patch of the antenna 2 is located above the dielectric substrate 7a, and has a distance of 1mm-5mm to the dielectric substrate 7a. By adjusting this distance, the isolation degree between the antenna 1 and the antenna 2 in high frequency and low frequency, as well as the isolation degree between the antenna 2 and the antenna 3 in high frequency and low frequency can be adjusted.
- the dielectric substrate 7b, the metal ground plate 8b, the antenna 3 ⁇ the antenna 6 and the isolated branch knots in the lower half part of the multi-antenna system have the same structures as those aforementioned, which will not be repeated herein.
- the multi-antenna system provided by the present embodiment can work in the frequency bands of both 2.53-2.62GHz and 3.45-3.6GHz, and the isolation degree can reach under -20dB in the working frequency band, requirements of a new generation mobile communication system can be met.
- a radiation patch By changing sizes and positions of a radiation patch, a U-type groove, a polygonal-shape groove, a coaxial feeding unit, a shorting unit and an isolated branch knot, a resonance working point of an antenna can be adjusted, and different application requirements can be met.
- S11 is impedance matching characteristic of the antenna 1
- S22 is impedance matching characteristic of the antenna 2
- S33 is impedance matching characteristic of the antenna 3
- S12 is the isolation degree between the antenna 1 and the antenna 2. It can be seen that, the working frequency range of the antenna 1 and the antenna 3 is 2.535GHz -2.615GHz, and the working frequency range of the antenna 2 is 2.528GHz -2.625GHz, and S12 is lower than -20dB.
- S13 is the isolation degree between the antenna 1 and the antenna 3
- S14 is the isolation degree between the antenna 1 and the antenna 4
- S15 is the isolation degree between the antenna 1 and the antenna 6
- S16 is the isolation degree between the antenna 1 and the antenna 6
- S26 is the isolation degree between the antenna 2 and the antenna 6. It can be seen that, in the working frequency band of 2.53GHz-2.62GHz, S13, S14, S15, S16 and S26 are all lower than -20dB.
- S11 is impedance matching characteristic of the antenna 1
- S22 is impedance matching characteristic of the antenna 2
- S33 is impedance matching characteristic of the antenna 3
- S12 is the isolation degree between the antenna 1 and the antenna 2. It can be seen that, the working frequency range of the antenna 1 and the antenna 3 is 3.44GHz -3.6GHz, and the working frequency range of the antenna 2 is 3.45GHz -3.66GHz, and S12 is lower than -20dB.
- S13 is the isolation degree between the antenna 1 and the antenna 3
- S14 is the isolation degree between the antenna 1 and the antenna 4
- S15 is the isolation degree between the antenna 1 and the antenna 6
- S16 is the isolation degree between the antenna 1 and the antenna 6
- S26 is the isolation degree between the antenna 2 and the antenna 6. It can be seen that, in the working frequency band of 3.45GHz-3.6GHz, S13, S14, S15, S16 and S26 are all lower than -20dB.
- the multi-antenna system as shown in FIG. 3 has a better impedance matching effect in the working frequency bands of both 2.53GHz-2.62GHz and 3.45GHz-3.6GHz, where the bandwidth at 2.58GHz is 90MHz, and the impedance bandwidth at 3.5GHz is 150MHz. Further, it has higher isolation degrees in the frequency bands of both 2.53GHz-2.62GHz and 3.45GHz -3.6GHz, which are both lower than -20dB.
- FIG. 9a is a radiation pattern of the antenna 1 at 2.58GHz
- FIG. 9b is a radiation pattern of the antenna 1 at 3.5GHz
- FIG. 10a is a radiation pattern of the antenna 5 at 2.58GHz.
- FIG. 10b is a radiation pattern of the antenna 5 at 3.5GHz.
- FIG. 11 is a structural schematic diagram of a mobile terminal according to another embodiment of the present invention.
- the mobile terminal in the present embodiment includes a mobile terminal body 111 and an antenna system 112.
- the mobile terminal body 111 is connected to the antenna system 112, and includes essential functional parts of a mobile terminal such as a processor, a memory, and the like.
- the antenna system 112 may be any one of the multi-antenna systems provided by the aforementioned embodiments, and is configured to transmit and receive signals for the mobile terminal body 111.
- the mobile terminal body 111 processes the signals received by the antenna system 112, generates signals and transmits the generated signals through the antenna system 112.
- the mobile terminal provided by the present embodiment by using the aforementioned multi-antenna system, can have a smaller volume, and can further improve the communication performance of the mobile terminal since it can dispose antennas as many as possible in a smaller space.
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Abstract
Description
- This application claims priority to Chinese patent application No.
201310269571.0, filed with the Chinese Patent Office on June 28, 2013 - The present invention relates to the technical field of wireless communication and, in particular, to a multi-antenna system and a mobile terminal.
- An antenna is an important constituent part of a wireless communication system. In a mobile communication terminal, generally, a single antenna is used for transmitting and receiving signals. However, with the mobile communication system continuously upgraded in function, capacity, quality and service business and the complexity of wireless signal propagation environment increased, a channel is affected by environment factors such as the geography, temperature, humidity and the like, so that the propagation of the radio waves is faded greatly in the air, which affects the quality of mobile communication. Hence, it can hardly keep a better communication performance in a complex propagation environment by just using a single antenna, and it needs to use a multi-input multi-output (Multi-Input Multi-Output, MIMO) technique to achieve requirements of a higher transmission speed, a higher channel capacity, a lower transmission power, and overcoming bad transmission environment, and etc. Where, the MIMO technique needs to be realized by a multi-antenna system.
- However, mutual interference and electromagnetic interference exist among the multi antennas, which makes electromagnetic compatibility (Electro Magnetic Compatibility, briefed as EMC) goes bad, and leads to a decrease in antenna efficiency, thereby affecting communication quality of a mobile terminal. Moreover, due to miniaturization and ultra thinness of the mobile terminal, a space of the antenna provided in the mobile terminal becomes smaller and smaller. It becomes a problem desiderated to be solved for the arrangement of the antennas in the multi-antenna system of the mobile terminal, how to integrate a plurality of antennas in a limited space, and to prevent a reduced efficiency of the antennas caused by mutual interference and electromagnetic interference between the antennas in the operating state of the multiple antennas.
- In view of this, embodiments of the present invention provide a multi-antenna system and a mobile terminal, in order to increase a number of antennas in a dual-band mobile terminal, and meanwhile to achieve a higher isolation degree.
- In a first aspect, embodiments of the present invention provide a multi-antenna system, which includes:
- two metal ground plates, which include a first metal ground plate and a second metal ground plate, where the first metal ground plate and the second metal ground plate are located in a same azimuth plane, and a distance between the two metal ground plates is greater than or equal to a first preset threshold;
- two dielectric substrates, which comprise a first dielectric substrate and a second dielectric substrate, where the first dielectric substrate and the second dielectric substrate are located in a same azimuth plane, the first dielectric substrate is located above the first metal ground plate, the second dielectric substrate is located above the second metal ground plate, and a distance between the two dielectric substrates is greater than or equal to a second preset threshold;
- four first kind of planar inverted-F antenna, PIFA, antennas, where each of the first kind of PIFA antennas comprises a radiation patch, a probe type feeder line and a metal shorting pin, and first grooves are disposed on radiation patches of the first kind of PIFA antennas;
- two of the first kind of PIFA antennas are disposed on each dielectric substrate of the two dielectric substrates, and an isolated branch knot is disposed between the first kind of PIFA antennas;
- the radiation patches of the two first kind of PIFA antennas disposed on the first dielectric substrate are disposed on the first dielectric substrate, and are connected to the first metal ground plate under the first dielectric substrate via the probe type feeder lines and the metal shorting pins of the first kind of PIFA antennas;
- the radiation patches of the two first kind of PIFA antennas disposed on the second dielectric substrate are disposed on the second dielectric substrate, and are connected to the second metal ground plate under the second dielectric substrate via the probe type feeder lines and the metal shorting pins of the first kind of PIFA antennas; and
- the four first kind of PIFA antennas are symmetrical to each other with respect to XOZ plane and YOZ plane.
- In combination of the first aspect, in a first possible implementation of the first aspect, where the first preset threshold is 30mm.
- In combination of the first aspect or its first possible implementation, in a second possible implementation of the first aspect, the second preset threshold is 40mm.
- In combination of the first aspect or its first or second possible implementation, in a third possible implementation of the first aspect, it further includes:
- a second kind of PIFA antenna, which includes a radiation patch, a probe type feeder line and a metal shorting pin, and a second groove is disposed on the radiation patch of the second kind of PIFA antenna;
- the radiation patch of the second kind of PIFA antenna is localized 1mm - 5mm above at least one dielectric substrate of the two dielectric substrates, and is connected to the metal ground plate under the at least one dielectric substrate, via the probe type feeder line and the metal shorting pin of the second kind of PIFA antenna; and
- the isolated branch knot is disposed between the first kind of PIFA antennas and the second kind of PIFA antenna.
- In combination of the third possible implementation of the first aspect, in a fourth possible implementation of the first aspect, there are two second kind of PIFA antennas, the two second kind of PIFA antennas are disposed 1mm-5mm above the first dielectric substrate and the second dielectric substrate respectively, and the four first kind of PIFA antennas are symmetrical to the two second kind of PIFA antennas with respect to the XOZ plane and the YOZ plane.
- In combination of the first aspect or any one of its first to fifth possible implementation, in a fifth possible implementation of the first aspect, the first grooves are U-type grooves.
- In combination of the third or fourth possible implementation of the first aspect, in a sixth possible implementation of the first aspect, the second groove is a polygonal-shape groove.
- In combination of the third or fourth possible implementation of the first aspect, in a seventh possible implementation of the first aspect, the radiation patches of both the first kind of PIFA antennas and the second kind of PIFA antennas are rectangular.
- In combination of the first aspect or any one of its first to seventh possible implementation, in an eighth possible implementation of the first aspect, a dielectric constant of the dielectric substrates is 1∼9.8.
- In a second aspect, the embodiments of the present invention provide a mobile terminal, which includes: a mobile terminal body and any one of the above mentioned multi-antenna systems, where the mobile terminal body is connected with the multi-antenna system, and the multi-antenna system is configured to transmit and receive signals for the mobile terminal body.
- The multi-antenna system and the mobile terminal provided by the above embodiments achieves a dual band by PIFA antennas on the dielectric substrates and grooves on the radiation patches of the antennas, improves an isolation degree between the antennas by disposing isolated branch knot between the antennas, and further improves the isolation degree between the antennas on the two dielectric substrates by two independent dielectric substrates and a metal ground plate. In addition, the PIFA antennas are used, so that the multi-antenna system and the mobile terminal can increase the number of antennas in a limited space as many as possible.
- To describe the technical solutions in embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings needed for describing the embodiments. Apparently, the accompanying drawings in the following description illustrate merely some embodiments of the present invention, and persons of ordinary skill in the art may still derive other drawings from these accompanying drawings without creative effort.
-
FIG. 1 is a structural schematic diagram of a multi-antenna system according to an embodiment of the present invention; -
FIG. 2 is a structural schematic diagram of a multi-antenna system according to another embodiment of the present invention; -
FIG. 3 is a structural schematic diagram of a multi-antenna system according to another embodiment of the present invention; -
FIG. 4 is a schematic diagram of the multi-antenna system shown inFIG. 3 in an XOY plane; -
FIG. 5a is a front view ofantenna 1 in the multi-antenna system shown inFIG. 3 ; -
FIG. 5b is a side view ofFIG. 5a ; -
FIG. 6a is a front view ofantenna 5 in the multi-antenna system shown inFIG. 3 ; -
FIG. 6b is a side view ofFIG. 6a ; -
FIG. 7a andFIG. 7b are S-parameter simulation diagrams of the multi-antenna system shown inFIG. 3 in a frequency band of 2.53GHz-2.62GHz; -
FIG. 8a andFIG. 8b are S-parameter simulation diagrams of the multi-antenna system shown inFIG. 3 in a frequency band of 3.45 GHz -3.6GHz; -
FIG. 9a is a simulation radiation pattern ofantenna 1 of the multi-antenna system shown inFIG. 3 at 2.58GHz; -
FIG. 9b is a simulation radiation pattern ofantenna 1 of the multi-antenna system shown inFIG. 3 at 3 .5GHz; -
FIG. 10a is a simulation radiation pattern ofantenna 5 of the multi-antenna system shown inFIG. 3 at 2.58GHz; -
FIG. 10b is a simulation radiation pattern ofantenna 5 of the multi-antenna system shown inFIG. 3 at 3 .5GHz; and -
FIG. 11 is a structural schematic diagram of a mobile terminal according to another embodiment of the present invention. - To make the objectives, technical solutions, and advantages of the present invention clearer, the following comprehensively describes the present invention with reference to the accompanying drawings. Apparently, the described embodiments are merely a part rather than all embodiments of the present invention. All other embodiments obtained by persons of ordinary skill in the art based on embodiments of the present invention without creative effort shall fall within the protection scope of the present invention.
-
FIG. 1 is a structural schematic diagram of a multi-antenna system according to an embodiment of the present invention. In the present embodiment, the multi-antenna system includes: two metal ground plates, two dielectric substrates, four first kind of PIFA antennas and four isolated branch knots. - The two metal ground plates includes
metal ground plate 8a andmetal ground plate 8b, and themetal ground plate 8a andmetal ground plate 8b are located in a same azimuth plane, where a distance between the two metal ground plates is greater than or equal to a first preset threshold, e.g. 30mm, which can reduce coupling betweenantennas dielectric substrate 7a andantennas dielectric substrate 7b, and can improve an isolation degree betweenantennas antennas - The two dielectric substrates includes
dielectric substrate 7a anddielectric substrate 7b, where thedielectric substrate 7a and thedielectric substrate 7b are located in a same azimuth plane, thedielectric substrate 7a is located above themetal ground plate 8a, and thedielectric substrate 7b is located above themetal ground plate 8b. A distance between the two dielectric substrates is greater than or equal to a second preset threshold, e.g. 40mm, which can reduce the coupling between theantennas dielectric substrate 7a and theantennas dielectric substrate 7b, and can improve the isolation degree between theantennas antennas - The four first kind of PIFA antennas includes: the
antenna 1, theantenna 3, theantenna 4, and theantenna 6, and each of the first kind of PIFA antennas includes: a radiation patch, a probe type feeder line and a metal shorting pin, for example, theantenna 1 includesradiation patch 1d, probetype feeder line 1a andmetal shorting pin 1b (see below and description aboutFIG. 3 - FIG. 5b ). - First grooves are disposed on the radiation patches of the first kind of PIFA antennas. A shape of the first grooves is not limited herein, as long as it can enable an antenna to which it belongs work in a new frequency band. For example, a
U-type groove 1c is etched on theradiation patch 1d of theantenna 1. - Two first kind of PIFA antennas are disposed on each of the two dielectric substrates, and an isolated branch knot is disposed between the first kind of PIFA antennas.
- As shown in
FIG. 1 , theantenna 1 and theantenna 3 are disposed on thedielectric substrate 7a, and theantenna 4 and theantenna 6 are disposed on thedielectric substrate 7b. Theisolated branch knot 11 and theisolated branch knot 12 are disposed between theantenna 1 and theantenna 3 and between theantenna 4 and theantenna 6, respectively. - Specifically, the
isolated branch knot 11 and theisolated branch knot 12 are printed on thedielectric substrate 7a, and thedielectric substrate 7b. Taking the isolated branch knot on thedielectric substrate 7a as an example, theisolated branch knot 11 is an E-type isolated branch knot, including ahorizontal branch knot 111, a firstlongitudinal branch knot 112, a secondlongitudinal branch knot 113, and a thirdlongitudinal branch knot 114. Where, thehorizontal branch knot 111 is located at a side of theantenna 1 and theantenna 3 which is close to thedielectric substrate 7b, and is configured to isolate theantennas antennas longitudinal branch knot 112 is located between theantenna 1 and theantenna 3, to isolate theantenna 1 from theantenna 3; the secondlongitudinal branch knot 113 and the thirdlongitudinal branch knot 114 are located at the lateral side of theantenna 3 and the lateral side of theantenna 1 respectively, to isolate theantenna 1, theantenna 3 from the external. - The
isolated branch knot 12 is a T-type isolated branch knot, including ahorizontal branch knot 121 and alongitudinal branch knot 122, which interlocks with theisolated branch knot 11, so that theantenna 1 and theantenna 3 are enveloped in a space formed by thehorizontal branch knot 121, thehorizontal branch knot 111 and thelongitudinal branch knot 122, the firstlongitudinal branch knot 112, the secondlongitudinal branch knot 113 and the thirdlongitudinal branch knot 114. - The radiation patches of the
antenna 1 and theantenna 3 on thedielectric substrate 7a are disposed on thedielectric substrate 7a, and are connected to themetal ground plate 8a under thedielectric substrate 7a via the probe type feeder lines and the metal shorting pins thereof. For example, theradiation patch 1d of theantenna 1 is connected to themetal ground plate 8a via the probetype feeder line 1a and themetal shorting pin 1b. - Similarly, the radiation patches of the two first kind of PIFA antennas on the
dielectric substrate 7b are disposed on thedielectric substrate 7b, and are connected to themetal ground plate 8b under thedielectric substrate 7b via the probe type feeder lines and the metal shorting pins of the first kind of PIFA antennas. - The four first kind of PIFA antennas: the
antenna 1, theantenna 3, theantenna 4 and theantenna 6 are symmetrical to each other with respect to XOZ plane and YOZ plane. - The multi-antenna system provided by the present embodiment reduces coupling of the antennas on the two dielectric substrates in the multi-antenna system in two frequency bands, by disposing two independent dielectric substrates and two correspondingly parallel and independent metal ground plates, and it can achieve a dual band by disposing the four symmetric first kind of PIFA antennas on the dielectric substrates and disposing grooves on the radiation patches of the antennas. In addition, it can further improve the isolation degree of the multi-antenna system by disposing the isolated branch knot between the antennas. Moreover, the PIFA antennas are small, and the antenna system can increase the number of antennas in a limited space and can achieve a higher isolation degree. Additionally, the PIFA antenna has a low cost, is easy to be manufactured, and is easy to be integrated with the microwave circuits at the radio frequency front-end.
-
FIG. 2 is a structural schematic diagram of a multi-antenna system according to another embodiment of the present invention. The present embodiment is similar to that according toFIG. 1 , a second kind of PIFA antenna is disposed on thedielectric substrate 7b, i.e., anantenna 5, and that thedielectric substrate 7b has 4 isolated branch knots, including two T-typeisolated branch knots 9 and two π-type isolated branch knots 10 (referring to the embodiment according toFIG. 3 in the below). - The T-type
isolated branch knots 9 are printed betweenantenna 4 andantenna 5, as well as betweenantenna 5 andantenna 6, which can effectively reduce coupling between adjacent antennas in high frequency band. - The π-type
isolated branch knots 10 are printed betweenantenna 4 andantenna 5, as well as betweenantenna 5 andantenna 6, which can effectively reduce coupling between adjacent antennas in low frequency band. - Where, the
antenna 5 includes aradiation patch 5d, a probetype feeder line 5a and ametal shorting pin 5b, and theradiation patch 5d is above thedielectric substrate 7b. Due to that there is a certain distance between theantenna 5 and thedielectric substrate 7b, and theantenna 5 and itsadjacent antenna 4 andantenna 6 are not in a same plane, it can effectively reduce the coupling of theadjacent antenna 4 andantenna 6 in both high frequency band and low frequency band. For example, the distance between theantenna 5 and thedielectric substrate 7b is 1mm∼5mm, which improves the isolation degree between theantenna 5 and theantennas - In addition, a second groove is etched on the
radiation patch 5d, such as a polygonal-shape groove 5c, and theantenna 5 is located between theantenna 4 and theantenna 6, which further reduce the coupling between theantenna 4 and theantenna 6 effectively. - In the aforementioned embodiments, a dielectric constant of the
dielectric substrate 7a and thedielectric substrate 7b may be between 1∼9.8. -
FIG. 3 is a structural schematic diagram of a multi-antenna system according to another embodiment of the present invention. In the present embodiment, the multi-antenna system includes six PIFA antennas, eight isolated branch knots, two metal ground plates and two dielectric substrates. - Where, there are four first kind of PIFA antennas: an
antenna 1, anantenna 3, anantenna 4 and anantenna 6, and two second kind of PIFA antennas: anantenna 3 and anantenna 5. - The isolated branch knots includes four T-type
isolated branch knots 9 and four π-typeisolated branch knots 10. - Two metal ground plates include
metal ground plate 8a andmetal ground plate 8b. - Two dielectric substrates include
dielectric substrate 7a anddielectric substrate 7b. - The
dielectric substrate 7a is located above themetal ground plate 8a, and thedielectric substrate 7b is located above themetal ground plate 8b. A foam support layer may be used to support between thedielectric substrate 7a and themetal ground plate 8a, as well as between thedielectric substrate 7b and themetal ground plate 8b. - A distance between the
dielectric substrate 7a and thedielectric substrate 7b is 40mm, and a distance between themetal ground plate 8a and themetal ground plate 8b is 30mm. The isolation degree between the antennas on the surface ofsubstrate 7a and the antennas on the surface ofsubstrate 7b can be adjusted by changing the distance between thedielectric substrate 7a and thedielectric substrate 7b, and the distance between themetal ground plate 8a and themetal ground plate 8b. - The
antenna 1, theantenna 2 and theantenna 3 are disposed on thedielectric substrate 7a, and theantenna 4, theantenna 5 and theantenna 6 are disposed on thedielectric substrate 7b. As shown inFIG. 4 , the multi-antenna system provided by the present embodiment is symmetrical to each other with respect to the XOZ plane and the YOZ plane. - The structure and principle of the
antenna 1 is the same as those of theantenna 3, theantenna 4 and theantenna 6, and the following takes theantenna 1 as an example to describe the first kind of PIFA antennas. - Referring to
FIG. 3 , theantenna 1 includes aradiation patch 1d, a probetype feeder line 1a and ametal shorting pin 1b. Referring toFIG. 5b , theradiation patch 1d is connected to themetal ground plate 8a via the probetype feeder line 1a and themetal shorting pin 1b. Theradiation patch 1d has a length of 15.1mm, and a width of 9mm, forming a working frequency band of theantenna 1 in 2.53GHz-2.62GHz, and a low frequency working frequency band needed byantenna 1 can be obtained by adjusting the size of theradiation patch 1d. - A
U-type groove 1c is etched on theradiation patch 1d, and as shown inFIG. 5a , for theU-type groove 1c, a width c1 =8mm, a length c2=13mm, the groove width c3=0.5mm, and a distance c4 between the bottom of theU-type groove 1c and the bottom of theradiation patch 1d =0.6mm, and a distance between its left side and the left side of the radiation patch and a distance between its right side and the right side of the radiation patch are c5=c6=0.5mm. TheU-type groove 1c forms the working frequency band of theantenna 1 in 3.44GHz-3.6GHz, and a high frequency working frequency band needed by theantenna 1 can be obtained by adjusting the sizes of c1 and c2. In such a way, theantenna 1 covers two working frequency bands in both 2.53GHz-2.62GHz and 3.44 GHz - 3.6GHz. - The probe
type feeder line 1a has a radius of 0.7mm and a height of 8.4mm, and a distance between its circle center and the bottom of the radiation patch is 10.1mm. - The
metal shorting pin 1b has a radius of 0.9mm and a height of 8.4mm, and a distance between its circle center and the circle center of the probetype feeder line 1a is 3.8mm. - The working bandwidth and impedance matching characteristic of the
antenna 1 can be adjusted by adjusting the radiuses, positions and heights of the probetype feeder line 1a and themetal shorting pin 1b. - The structure and principle of the
antenna 2 is the same as those of theantenna 5, and the following takes theantenna 5 as an example to describe the second kind of PIFA antennas. - As shown in
FIG. 3 ,FIG. 4 ,FIG. 6a andFIG. 6b , theantenna 5 includes aradiation patch 5d, a probetype feeder line 5a and ametal shorting pin 5b. Theradiation patch 5d is connected to themetal ground plate 8b via the probetype feeder line 5a and themetal shorting pin 5b. Theradiation patch 5d is located above thedielectric substrate 7b, and has a distance to thedielectric substrate 7b of 1mm∼5mm. - The
radiation patch 5d has a length of 15.2mm, and a width of 10mm, which forms a working frequency band of an antenna in 2.52GHz-2.63GHz, and it can get a low frequency working frequency band needed by theantenna 5 can be obtained by adjusting the size of theradiation patch 5d. - As shown in
FIG. 4 andFIG. 6a , a polygonal-shape groove 5c is etched on theradiation patch 5d, the polygonal-shape groove 5c has d1=8mm, d2=14mm, d3=1mm, d4=1.7mm, and a groove width d5=0.5mm, a distance between the bottom of the polygonal-shape groove 5c and the bottom of theradiation patch 5d d6=0.7mm, and a distance between its left side and the left side of the radiation patch and a distance between its right side and the right side of the radiation patch are d7=d8=0.5mm. The polygonal-shape groove 5c forms the working frequency band of theantenna 5 in 3.45GHz-3.61GHz, and a high frequency working frequency band needed by theantenna 5 can be obtained by adjusting the sizes of d1, d2, d3 and d4. In such a way, theantenna 5 covers two frequency bands in both 2.52GHz-2.63GHz and 3.45 GHz -3.61GHz. - The probe
type feeder line 5a has a radius of 0.7mm, and a height of 10.4mm, and a distance between its circle center and the bottom of the radiation patch is 10.2mm. - The
metal shorting pin 5b has a radius of 0.9mm, and a height of 10.4mm, and a distance between its circle center and the circle center of the probetype feeder line 5a is 3.8mm. - The working bandwidth and impedance matching characteristic of the
antenna 5 can be adjusted by adjusting the radiuses, positions and heights of the probetype feeder line 5a and themetal shorting pin 5b. - The
dielectric substrate 7a has a length of 70mm, and a width of 40mm, and a height of 0.9mm, and a relative dielectric constant εr =4.4, and themetal ground plate 8a has a length of 70mm, a width of 45mm, and a distance of 7.5mm to thedielectric substrate 7a. - As shown in
FIG. 4 , the radiation patches of theantenna 1 and theantenna 3 are printed at both sides of thedielectric substrate 7a, the distance between theantenna 1 and theantenna 3 is W1=56mm, and theantenna 2 is placed between theantenna 1 and theantenna 3. Due to that theantenna 2 has a same working frequency with those of theantenna 1 and theantenna 3, the coupling between theantenna 1 and theantenna 3 can be reduced, and the isolation degree between theantenna 1 and theantenna 3 can be increased. - Both a distance between the
antenna 1 and theantenna 2, and a distance between theantenna 2 and theantenna 3 are W2=28mm. - T-type
isolated branch knots 9 and inverted π-typeisolated branch knots 10 are printed on thedielectric substrate 7a. Longitudinal branch knots of the T-typeisolated branch knots 9 and the inverted π-typeisolated branch knots 10 are located between theantenna 1 and theantenna 2 and between the antenna 2and theantenna 3, and horizontal branch knots of the T-typeisolated branch knots 9 and the inverted π-typeisolated branch knots 10 are located at both sides of theantenna 1, theantenna 2 and theantenna 3. - The T-type
isolated branch knot 9 includes ahorizontal branch knot 91 and alongitudinal branch knot 92, where thehorizontal branch knot 91 is closely next to an upper edge of thesubstrate 7a, with a distance of 1mm to the side edge of the substrate, and thehorizontal branch knot 91 has a length of 28mm and a width of 1mm. Thelongitudinal branch knot 92 has a length of 15mm and a width of 2mm. By adjusting the size and position of the T-typeisolated branch knot 9, the isolation degree between theantenna 1 and theantenna 2 in high frequency, as well as the isolation degree between theantenna 2 and theantenna 3 in high frequency can be adjusted. - The π-type
isolated branch knot 10 includes ahorizontal branch knot 101, a firstlongitudinal branch knot 102 and a secondlongitudinal branch knot 103. The π-typeisolated branch knot 10 is placed invertedly, and itshorizontal branch knot 101 has a distance of 2.9mm to the bottom edge of thedielectric substrate 7a, and both sides of thehorizontal branch knot 101 are closely next to the side edges of thedielectric substrate 7a. Thehorizontal branch knot 101 has a length of 33mm and a width of 0.5mm. Thelongitudinal branch knot 102 has a length of 11.5mm and a width of 1mm, and thelongitudinal branch knot 103 has a length of 7mm and a width of 2.375mm. By adjusting the size and position of the π-typeisolated branch knot 10, the isolation degree between theantenna 1 and theantenna 2 in low frequency, as well as the isolation degree between theantenna 2 and theantenna 3 in low frequency can be adjusted. - The radiation patch of the
antenna 2 is located above thedielectric substrate 7a, and has a distance of 1mm-5mm to thedielectric substrate 7a. By adjusting this distance, the isolation degree between theantenna 1 and theantenna 2 in high frequency and low frequency, as well as the isolation degree between theantenna 2 and theantenna 3 in high frequency and low frequency can be adjusted. - Since the multi-antenna system is totally symmetric with respect to the XOZ plane, the
dielectric substrate 7b, themetal ground plate 8b, theantenna 3∼ theantenna 6 and the isolated branch knots in the lower half part of the multi-antenna system have the same structures as those aforementioned, which will not be repeated herein. - The multi-antenna system provided by the present embodiment can work in the frequency bands of both 2.53-2.62GHz and 3.45-3.6GHz, and the isolation degree can reach under -20dB in the working frequency band, requirements of a new generation mobile communication system can be met. By changing sizes and positions of a radiation patch, a U-type groove, a polygonal-shape groove, a coaxial feeding unit, a shorting unit and an isolated branch knot, a resonance working point of an antenna can be adjusted, and different application requirements can be met.
- Parameter s simulation results of the multi-antenna system as shown in
FIG. 3 are as shown inFIG. 7a ∼ FIG. 7b and FIG. 8a ∼ FIG. 8b . - In the
FIG. 7a , S11 is impedance matching characteristic of theantenna 1, S22 is impedance matching characteristic of theantenna 2, S33 is impedance matching characteristic of theantenna 3, and S12 is the isolation degree between theantenna 1 and theantenna 2. It can be seen that, the working frequency range of theantenna 1 and theantenna 3 is 2.535GHz -2.615GHz, and the working frequency range of theantenna 2 is 2.528GHz -2.625GHz, and S12 is lower than -20dB. - In
FIG. 7b , S13 is the isolation degree between theantenna 1 and theantenna 3, S14 is the isolation degree between theantenna 1 and theantenna 4, S15 is the isolation degree between theantenna 1 and theantenna 6, S16 is the isolation degree between theantenna 1 and theantenna 6, and S26 is the isolation degree between theantenna 2 and theantenna 6. It can be seen that, in the working frequency band of 2.53GHz-2.62GHz, S13, S14, S15, S16 and S26 are all lower than -20dB. - In the
FIG. 8a , S11 is impedance matching characteristic of theantenna 1, S22 is impedance matching characteristic of theantenna 2, S33 is impedance matching characteristic of theantenna 3, and S12 is the isolation degree between theantenna 1 and theantenna 2. It can be seen that, the working frequency range of theantenna 1 and theantenna 3 is 3.44GHz -3.6GHz, and the working frequency range of theantenna 2 is 3.45GHz -3.66GHz, and S12 is lower than -20dB. - In
FIG. 8b , S13 is the isolation degree between theantenna 1 and theantenna 3, S14 is the isolation degree between theantenna 1 and theantenna 4, S15 is the isolation degree between theantenna 1 and theantenna 6, S16 is the isolation degree between theantenna 1 and theantenna 6, and S26 is the isolation degree between theantenna 2 and theantenna 6. It can be seen that, in the working frequency band of 3.45GHz-3.6GHz, S13, S14, S15, S16 and S26 are all lower than -20dB. - According to the above
FIG. 7a ∼ FIG. 8b , it can be seen that, the multi-antenna system as shown inFIG. 3 has a better impedance matching effect in the working frequency bands of both 2.53GHz-2.62GHz and 3.45GHz-3.6GHz, where the bandwidth at 2.58GHz is 90MHz, and the impedance bandwidth at 3.5GHz is 150MHz. Further, it has higher isolation degrees in the frequency bands of both 2.53GHz-2.62GHz and 3.45GHz -3.6GHz, which are both lower than -20dB. - Radiation pattern simulation results of the multi-antenna system as shown in
FIG. 3 are as shown inFIG. 9a ∼ FIG. 9b and FIG. 10a ∼ FIG. 10b . -
FIG. 9a is a radiation pattern of theantenna 1 at 2.58GHz; -
FIG. 9b is a radiation pattern of theantenna 1 at 3.5GHz; -
FIG. 10a is a radiation pattern of theantenna 5 at 2.58GHz; and -
FIG. 10b is a radiation pattern of theantenna 5 at 3.5GHz. - Due to that the multi-antenna system as shown in
FIG. 3 is symmetrical about XOZ plane and YOZ plane respectively, the S-parameters and radiation patterns of other antennas have same simulation results with the aforementioned, which will not be repeated herein. -
FIG. 11 is a structural schematic diagram of a mobile terminal according to another embodiment of the present invention. The mobile terminal in the present embodiment includes a mobileterminal body 111 and anantenna system 112. Where, the mobileterminal body 111 is connected to theantenna system 112, and includes essential functional parts of a mobile terminal such as a processor, a memory, and the like. Theantenna system 112 may be any one of the multi-antenna systems provided by the aforementioned embodiments, and is configured to transmit and receive signals for the mobileterminal body 111. The mobileterminal body 111 processes the signals received by theantenna system 112, generates signals and transmits the generated signals through theantenna system 112. - The mobile terminal provided by the present embodiment, by using the aforementioned multi-antenna system, can have a smaller volume, and can further improve the communication performance of the mobile terminal since it can dispose antennas as many as possible in a smaller space.
- Finally, it should be noted that the foregoing embodiments are merely intended for describing the technical solutions of the present invention other than limiting the present invention. Although the present invention is described in detail with reference to the foregoing embodiments, persons of ordinary skill in the art should understand that they may still make modifications to the technical solutions described in the foregoing embodiments or make equivalent substitutions to part of or all technical features thereof; but these modifications or substitutions cannot make the essence of the corresponding technical solutions depart from the scope of the technical solutions of embodiments of the present invention.
Claims (10)
- A multi-antenna system, characterized by comprising:two metal ground plates, which comprise a first metal ground plate and a second metal ground plate, wherein the first metal ground plate and the second metal ground plate are located in a same azimuth plane, and a distance between the two metal ground plates is greater than or equal to a first preset threshold;two dielectric substrates, which comprise a first dielectric substrate and a second dielectric substrate, wherein the first dielectric substrate and the second dielectric substrate are located in a same azimuth plane, the first dielectric substrate is located above the first metal ground plate, the second dielectric substrate is located above the second metal ground plate, and a distance between the two dielectric substrates is greater than or equal to a second preset threshold;four first kind of planar inverted-F antenna, PIFA, antennas, wherein each of the first kind of PIFA antennas comprises a radiation patch, a probe type feeder line and a metal shorting pin, and first grooves are disposed on radiation patches of the first kind of PIFA antennas;two of the first kind of PIFA antennas are disposed on each dielectric substrate of the two dielectric substrates, and an isolated branch knot is disposed between the first kind of PIFA antennas;the radiation patches of the two first kind of PIFA antennas disposed on the first dielectric substrate are disposed on the first dielectric substrate, and are connected to the first metal ground plate under the first dielectric substratevia the probe type feeder lines and the metal shorting pins of the first kind of PIFA antennas;the radiation patches of the two first kind of PIFA antennas disposed on the second dielectric substrate are disposed on the second dielectric substrate, and are connected to the second metal ground plate under the second dielectric substrate via the probe type feeder lines and the metal shorting pins of the first kind of PIFA antennas; andthe four first kind of PIFA antennas are symmetrical to each other with respect to XOZ plane and YOZ plane.
- The system according to claim 1, wherein the first preset threshold is 30mm.
- The system according to claim 1 or 2, wherein the second preset threshold is 40mm.
- The system according to any one of claims 1-3, further comprising:a second kind of PIFA antenna, which comprises a radiation patch, a probe type feeder line and a metal shorting pin, and a second groove is disposed on the radiation patch of the second kind of PIFA antenna;the radiation patch of the second kind of PIFA antenna is localized 1mm - 5mm above at least one dielectric substrate of the two dielectric substrates, and is connected to the metal ground plate under the at least one dielectric substrate, via the probe type feeder line and the metal shorting pin of the second kind of PIFA antenna; andthe isolated branch knot is disposed between the first kind of PIFA antennas and the second kind of PIFA antenna.
- The system according to claim 4, wherein there are two second kind of PIFA antennas, the two second kind of PIFA antennas are disposed 1mm-5mm above the first dielectric substrate and the second dielectric substrate respectively, and the four first kind of PIFA antennas are symmetrical to the two second kind of PIFA antennas with respect to the XOZ plane and the YOZ plane.
- The system according to any one of claims 1-5, wherein the first grooves are U-type grooves.
- The system according to any one of claims 4-5, wherein the second groove is a polygonal-shape groove.
- The system according to any one of claims 4-5, wherein the radiation patches of both the first kind of PIFA antennas and the second kind of PIFA antennas are rectangular.
- The system according to any one of claims 1-8, wherein a dielectric constant of the dielectric substrates is 1∼9.8.
- A mobile terminal, characterized by comprising: a mobile terminal body and a multi-antenna system according to any one of the above claims 1-9, wherein the mobile terminal body is connected with the multi-antenna system, and the multi-antenna system is configured to transmit and receive signals for the mobile terminal body.
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PCT/CN2014/073003 WO2014206110A1 (en) | 2013-06-28 | 2014-03-06 | Multi-antenna system and mobile terminal |
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Cited By (3)
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JP2017220790A (en) * | 2016-06-07 | 2017-12-14 | 京セラ株式会社 | Antenna substrate and antenna device |
WO2018011635A1 (en) * | 2016-07-14 | 2018-01-18 | Alcatel Lucent | Microstrip antenna, antenna array and method of manufacturing microstrip antenna |
CN109088153A (en) * | 2018-08-03 | 2018-12-25 | 瑞声光电科技(苏州)有限公司 | A kind of ultra wide band mimo antenna and terminal |
Families Citing this family (6)
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---|---|---|---|---|
WO2016174932A1 (en) * | 2015-04-30 | 2016-11-03 | 古野電気株式会社 | Antenna device and orientation calculation device |
EP3432419B1 (en) * | 2016-03-17 | 2021-03-31 | Panasonic Intellectual Property Management Co., Ltd. | Wireless module and image display device |
CN106410406A (en) * | 2016-10-28 | 2017-02-15 | 福州大学 | Double-frequency low-profile tight-coupling and high-isolation MIMO antenna |
CN108123224A (en) * | 2018-01-30 | 2018-06-05 | 厦门美图移动科技有限公司 | Antenna structure, electronic equipment dorsal shield and electronic equipment |
CN111725617B (en) * | 2020-06-11 | 2022-09-16 | 北京小米移动软件有限公司 | Antenna module, terminal equipment and manufacturing method of antenna module |
CN112968273B (en) * | 2021-02-03 | 2024-05-17 | 惠州Tcl移动通信有限公司 | Antenna structure and terminal equipment |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI112724B (en) * | 2000-05-12 | 2003-12-31 | Nokia Corp | Symmetric antenna structure and method of manufacture thereof and the antenna structure applying expansion cards |
ITTO20020704A1 (en) * | 2002-08-07 | 2004-02-08 | Telecom Italia Lab Spa | ANTENNAS SYSTEMS FOR SIGNAL RECEIVING |
WO2004070872A1 (en) * | 2003-02-04 | 2004-08-19 | Philips Intellectual Property & Standards Gmbh | Planar high-frequency or microwave antenna |
US7259641B1 (en) * | 2004-02-27 | 2007-08-21 | University Of South Florida | Microelectromechanical slow-wave phase shifter device and method |
SE528088C2 (en) * | 2004-09-13 | 2006-08-29 | Amc Centurion Ab | Antenna device and portable radio communication device including such antenna device |
CN100372173C (en) * | 2005-07-01 | 2008-02-27 | 清华大学 | Reversion F antenna system of four planes in use for terminals in multiple input/output communication system |
CN100372172C (en) * | 2005-07-01 | 2008-02-27 | 清华大学 | Four planes antenna system in use for mobile terminals in multiple input/output communication system |
CN101652898A (en) * | 2007-02-28 | 2010-02-17 | 日本电气株式会社 | Array antenna, radio communication apparatus, and array antenna control method |
US20080266189A1 (en) * | 2007-04-24 | 2008-10-30 | Cameo Communications, Inc. | Symmetrical dual-band uni-planar antenna and wireless network device having the same |
US7477201B1 (en) * | 2007-08-30 | 2009-01-13 | Motorola, Inc. | Low profile antenna pair system and method |
US7973718B2 (en) * | 2008-08-28 | 2011-07-05 | Hong Kong Applied Science And Technology Research Institute Co., Ltd. | Systems and methods employing coupling elements to increase antenna isolation |
CN201444499U (en) * | 2009-03-03 | 2010-04-28 | 精乘科技股份有限公司 | integrated multi-band module antenna |
JP5509220B2 (en) * | 2009-12-22 | 2014-06-04 | 京セラ株式会社 | Line conversion structure and antenna using the same |
US8730110B2 (en) * | 2010-03-05 | 2014-05-20 | Blackberry Limited | Low frequency diversity antenna system |
US8786497B2 (en) * | 2010-12-01 | 2014-07-22 | King Fahd University Of Petroleum And Minerals | High isolation multiband MIMO antenna system |
US9653813B2 (en) * | 2011-05-13 | 2017-05-16 | Google Technology Holdings LLC | Diagonally-driven antenna system and method |
-
2013
- 2013-06-28 CN CN201310269571.0A patent/CN104253303B/en active Active
-
2014
- 2014-03-06 WO PCT/CN2014/073003 patent/WO2014206110A1/en active Application Filing
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017220790A (en) * | 2016-06-07 | 2017-12-14 | 京セラ株式会社 | Antenna substrate and antenna device |
WO2018011635A1 (en) * | 2016-07-14 | 2018-01-18 | Alcatel Lucent | Microstrip antenna, antenna array and method of manufacturing microstrip antenna |
CN109088153A (en) * | 2018-08-03 | 2018-12-25 | 瑞声光电科技(苏州)有限公司 | A kind of ultra wide band mimo antenna and terminal |
Also Published As
Publication number | Publication date |
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WO2014206110A1 (en) | 2014-12-31 |
EP2999046B1 (en) | 2019-11-20 |
CN104253303B (en) | 2017-02-15 |
EP2999046A4 (en) | 2016-06-08 |
CN104253303A (en) | 2014-12-31 |
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