WO2019119843A1 - 一种天线和终端 - Google Patents
一种天线和终端 Download PDFInfo
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- WO2019119843A1 WO2019119843A1 PCT/CN2018/101975 CN2018101975W WO2019119843A1 WO 2019119843 A1 WO2019119843 A1 WO 2019119843A1 CN 2018101975 W CN2018101975 W CN 2018101975W WO 2019119843 A1 WO2019119843 A1 WO 2019119843A1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
Definitions
- the present application relates to the field of communications, and in particular, to an antenna and a terminal.
- the radiator of the Franklin antenna is composed of an inverting unit connected to an upright radiating unit, and the inverting unit portion is folded, the internal current is cancelled, and no radiation is performed, so only the radiating unit performs radiation.
- network devices typically need to radiate or receive signals from at least two frequency bands, the center frequency ratio of which is typically close to 1.5.
- the Franklin antenna in the existing scheme can only radiate signals in one frequency band horizontally, and cannot completely cover the at least two frequency bands by one Franklin antenna, and can only radiate one of the at least two frequency bands.
- Band41 2496MHz-2690MHz
- Band42 3400MHz-3600MHz
- the Franklin antenna supporting the high-gain horizontal omnidirectional radiation in the Band41 band cannot radiate the Band42 band horizontally. signal.
- the network device needs to radiate signals of at least two frequency bands, when the network device uses a Franklin antenna, the signals of the at least two frequency bands cannot be radiated, so the network device needs to include at least two antennas corresponding to the at least two frequency bands, Therefore, the volume of the network device occupied by the at least two antennas is increased, and the cost of using the antenna for data transmission by the network device is increased.
- How to achieve horizontal omnidirectional radiation and receive signals of the at least two frequency bands through a Franklin antenna becomes a Problems to be solved.
- the embodiment of the present application provides an antenna and a terminal for simultaneously radiating signals of at least two frequency bands through one antenna, thereby reducing the volume and cost of the network device.
- the present application provides an antenna that radiates the signal of Band 41 and the signal of Band 42.
- the wavelength corresponding to the center frequency of the signal of Band 41 is ⁇ 1
- the wavelength of the center frequency of the signal of Band 42 is ⁇ 2
- the antenna includes: a dielectric substrate, a top radiating unit, an inverting unit, and a bottom radiating unit;
- the dielectric substrate serves as the top radiating unit, the inverting unit, and a carrier of the bottom radiating unit;
- One end of the top radiating unit is connected to one end of the inverting unit;
- the other end of the inverting unit is connected to one end of the bottom radiating unit, the length of the inverting unit is 3 ⁇ 2 /2, and the length of the inverting unit is greater than ⁇ 1 /2;
- the inverting unit includes at least two current inversion points, a portion between the at least two current inversion points does not generate radiation, and the top radiating unit and the bottom radiating unit horizontally omnidirectionally radiate the Band 41 The signal is signaled with the Band 42.
- the present application also provides an antenna that radiates a first signal and a second signal, the first signal and the second signal are in different frequency bands, the first signal corresponds to a first half wavelength, and the second signal corresponds to a second half Wavelength
- the antenna comprises: a dielectric substrate, a top radiating unit, an inverting unit and a bottom radiating unit; the dielectric substrate as the top radiating unit, the inverting unit, and a carrier of the bottom radiating unit; One end of the inverting unit is connected; the other end of the inverting unit is connected to one end of the bottom radiating unit, the length of the inverting unit is a first odd multiple of the second half wavelength, and the length of the inverting unit is greater than the a second odd multiple of the first half wavelength; the inverting unit includes at least two current inversion points, a portion between the at least two current inversion points does not generate radiation, and the top radiating unit and the bottom radiating unit are horizontally full The first signal and the second signal are radiated.
- the inverting unit of the antenna is the first odd multiple of the second half wavelength, and the length of the inverting unit is greater than the second odd multiple of the first half wavelength, so that the antenna is In operation, no radiation is generated between the inversion points of the inverting unit portion, and the top radiating unit and the bottom radiating unit radiate the first signal and the second signal. Therefore, the antenna provided by the present application can achieve radiation by at least one upright antenna. Signals for both bands.
- the top radiating unit and the bottom radiating unit omnidirectionally radiate the first signal and the second signal, including:
- a current between at least two current inversion points included in a portion of the second odd-numbered length of the first half-wavelength in the inverting unit such that a second odd-numbered length of the first half wavelength of the inverting unit Part not generating radiation, the portion of the inverting unit except the odd-numbered length portion of the first half-wavelength, the top radiating unit and the bottom radiating unit radiating the first signal horizontally omnidirectionally; and the inverting unit
- the current between the at least two current inversion points included in the first odd multiple of the second half wavelength is offset such that the inverting unit does not generate radiation, and the top radiating element and the bottom radiating element are horizontally omnidirectional
- the second signal is radiated.
- the second odd-numbered length of the first half wavelength in the inverting unit cancels each other due to the opposite current directions, and no radiation is generated, and the phase is eliminated by the inverting unit.
- the portion outside the odd-numbered length portion of the first half wavelength, the bottom radiating unit and the top radiating unit radiate the first signal, and when the antenna radiates the first signal, the opposite-phase unit cancels each other due to the opposite current direction, and no radiation is generated.
- the second signal is radiated by the bottom radiating unit and the top radiating unit. Therefore, the antenna can radiate the first signal and the second signal.
- Embodiments of the present application are specific embodiments in which the antenna radiates the first signal and the second signal.
- the inverting unit includes a folded wire portion and an upright portion, the upright portion includes a first slot and a second slot, the first slot is parallel to the second slot, the first slot and the second slot
- the slit divides the length range corresponding to the first slot and the second slot in the inverting unit into a first microstrip line, a second microstrip line and a third microstrip line, and the first microstrip line and the first
- the three microstrip lines are respectively located on opposite sides of the second microstrip line, and when the antenna radiates the second signal, the first microstrip line and the second microstrip line current are opposite in direction, and the second microstrip line
- the direction of current is opposite to the direction of current of the third microstrip line such that the second microstrip line does not generate radiation.
- two slits are added in the upright portion of the inverting unit, so that the microstrip lines on both sides of the slit are opposite to the microstrip line current in the middle of the slit.
- the microstrip line current on both sides of the slot and the current of the microstrip line in the middle of the slot cancel each other, which can reduce the radiation generated by the inverting unit portion when the antenna radiates the second signal, and suppress the antenna when the antenna radiates the second signal. Side lobes.
- the frequency ratio of the second signal to the first signal ranges from 1.3 to 1.6.
- the frequency ratio of the second signal to the first signal ranges from 1.3 to 1.6, so that the antenna in the present application radiates signals in at least two frequency bands.
- the first signal is at 2496 MHz - 2690 MHz and the second signal is at 3400 MHz - 3800 MHz.
- the length of the antenna is 99 mm
- the length of the antenna is three times the wavelength of the first half
- the length of the antenna is five times the wavelength of the second half.
- the length of the antenna is 3 times of the first half wavelength and the length of the antenna is 5 times of the second half wavelength. Therefore, in combination with actual conditions, the inverting unit of the antenna may include the first At half the wavelength of one half, and the length of the inverting unit of the antenna can be three times the wavelength of the second half, which enables the antenna to achieve high gain radiation of the first signal and the second signal.
- the first microstrip line has a minimum width of 2 mm and the third microstrip line has a minimum width of 2 mm.
- the width of the first microstrip line and the third microstrip line is at least 2 mm, which may be sufficient to cancel the current generated by the second microstrip line, so that the upright portion of the reverse unit radiates the second signal at the antenna. No radiation is generated, so that the second signal radiated by the antenna is closer to horizontal omnidirectional.
- the first slit has a width ranging from 0.5 mm to 3.8 mm
- the second slit has a width ranging from 0.5 mm to 3.8 mm.
- the first slit has a length of 8 mm and the second slit has a length of 8 mm.
- the bottom radiating unit includes: an upper radiating module and a lower radiating module, wherein the upper radiating module is connected to the lower radiating module through a coaxial line, and the lower radiating module includes a gap portion, wherein the coaxial line is disposed The gap portion of the lower radiating module is used to feed the antenna.
- the upper radiating module and the lower radiating module are connected by a coaxial line, and the lower radiating module includes a gap portion, and the coaxial line can pass through the gap portion of the lower radiating module, and the coaxial pair can be reduced.
- the effect of antenna radiation is not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to the coaxial line.
- the application also provides a CPE, the CPE comprising:
- An antenna An antenna, a processor, a memory, a bus, and an input/output interface; the memory storing the code, the antenna being the antenna of any of the first aspect and the first aspect; the memory storing the program code; the processing When the program code is called in the memory, a control signal is sent to the antenna, and the control signal is used to control the antenna to transmit the first signal or the second signal.
- the application also provides a terminal, the terminal device includes:
- An antenna An antenna, a processor, a memory, a bus, and an input/output interface; the memory storing the code, the antenna being the antenna of any of the first aspect and the first aspect; the memory storing the program code; the processing When the program code is called in the memory, a control signal is sent to the antenna, and the control signal is used to control the antenna to transmit the first signal or the second signal.
- the antenna in the embodiment of the present application may include a dielectric substrate, a top radiating unit, an inverting unit, and a bottom radiating unit, wherein the length of the inverting unit is a first odd multiple of the second half wavelength, and the length of the inverting unit is greater than
- the second odd-numbered half of the half-wavelength is half of the wavelength corresponding to the first signal
- the second half-wavelength is half of the wavelength corresponding to the second signal. Therefore, when the antenna is in an operating state, the inverting unit may include at least two current inversion points, and no radiation is generated between the at least two current inversion points, and the top radiating unit and the bottom radiating unit are horizontally omnidirectionally radiated first.
- the signal and the second signal, and the first signal and the second signal are in different frequency bands. Therefore, the antenna provided by the embodiment of the present application can radiate at least two signals in different frequency bands.
- FIG. 1 is a schematic structural diagram of a system in an embodiment of the present application.
- FIG. 2 is a schematic diagram of an application scenario in an embodiment of the present application.
- FIG. 3 is a schematic diagram of an embodiment of an antenna in an embodiment of the present application.
- FIG. 4 is a schematic diagram of another embodiment of an antenna in an embodiment of the present application.
- FIG. 5 is a schematic diagram of another embodiment of an antenna according to an embodiment of the present application.
- FIG. 6 is a schematic diagram of another embodiment of an antenna in an embodiment of the present application.
- FIG. 7 is a schematic diagram of another embodiment of an antenna in an embodiment of the present application.
- FIG. 8 is a schematic diagram of another embodiment of an antenna according to an embodiment of the present application.
- 9A is a current distribution diagram of an antenna in an embodiment of the present application.
- 9B is another current distribution diagram of the antenna in the embodiment of the present application.
- FIG. 10A is another current distribution diagram of an antenna in an embodiment of the present application.
- FIG. 10B is another current distribution diagram of the antenna in the embodiment of the present application.
- 11A is another current distribution diagram of an antenna in an embodiment of the present application.
- 11B is another current distribution diagram of an antenna in an embodiment of the present application.
- FIG. 12 is a schematic diagram of a return loss of an antenna in an embodiment of the present application.
- 13A is another current distribution diagram of an antenna in an embodiment of the present application.
- FIG. 13B is another current distribution diagram of the antenna in the embodiment of the present application.
- 15A is another current distribution diagram of an antenna in an embodiment of the present application.
- 15B is another current distribution diagram of an antenna in an embodiment of the present application.
- 16 is another radiation pattern of an antenna in an embodiment of the present application.
- 17A is another current distribution diagram of an antenna in an embodiment of the present application.
- 17B is another current distribution diagram of an antenna in an embodiment of the present application.
- Figure 18 is another radiation pattern of the antenna in the embodiment of the present application.
- 20A is a schematic diagram of another embodiment of an antenna in an embodiment of the present application.
- 20B is a schematic diagram of another embodiment of an antenna in an embodiment of the present application.
- 20C is a schematic diagram of another embodiment of an antenna in an embodiment of the present application.
- 21A is another current distribution diagram of an antenna in an embodiment of the present application.
- 21B is another current distribution diagram of an antenna in an embodiment of the present application.
- 21C is another current distribution diagram of an antenna in an embodiment of the present application.
- 22A is another current distribution diagram of an antenna in an embodiment of the present application.
- 22B is another current distribution diagram of the antenna in the embodiment of the present application.
- 22C is another current distribution diagram of the antenna in the embodiment of the present application.
- FIG. 23 is a schematic diagram of another return loss of an antenna in an embodiment of the present application.
- 24A is a schematic diagram of another embodiment of an antenna in an embodiment of the present application.
- 24B is a schematic diagram of another embodiment of an antenna in an embodiment of the present application.
- 25A is another current distribution diagram of an antenna in an embodiment of the present application.
- 25B is another current distribution diagram of an antenna in an embodiment of the present application.
- 26 is another schematic diagram of return loss of an antenna in an embodiment of the present application.
- Figure 27 is another radiation pattern of the antenna in the embodiment of the present application.
- 28A is a schematic diagram of another embodiment of an antenna in an embodiment of the present application.
- 28B is a schematic diagram of another embodiment of an antenna in an embodiment of the present application.
- 29 is another schematic diagram of return loss of an antenna in an embodiment of the present application.
- FIG. 30 is a schematic diagram of another return loss of an antenna in an embodiment of the present application.
- FIG. 31 is a schematic diagram of an embodiment of a client device CPE in an embodiment of the present application.
- FIG. 32 is a schematic diagram of an embodiment of a terminal device in an embodiment of the present application.
- the network device may send or receive a wireless signal through an antenna, and the terminal device 1, the terminal device 2, the terminal device 3, and the terminal device 4 may be connected to the network device by using a wireless signal, and the network device may be a customer premises equipment (customer premises equipment, CPE), router, mobile station (MS), subscriber station (SS), etc.
- CPE customer premises equipment
- MS mobile station
- SS subscriber station
- the CPE may convert a mobile cellular signal, such as a signal in a LTE, a wideband code division multiple access (W-CDMA) or a global system for mobile communication (GSM) system, into a wireless protection.
- W-CDMA wideband code division multiple access
- GSM global system for mobile communication
- a network device that is a wireless fidelity (Wi-Fi) signal or a wireless local area networks (WLAN) signal.
- CPE products usually need to communicate over long distances. Therefore, antennas used in CPE products usually need to achieve high gain level omnidirectional radiation.
- Band41 2496MHz-2690MHz
- Band42 3400MHz-3600MHz
- CPE needs to support Band41, Band42 and Band43 (3600MHz-3800MHz).
- more and more routers need to include Band41 and Band42, or Band41, Band42 and Band43.
- the working frequency band of the antenna includes at least two frequency bands, so that the network device can perform signal radiation or reception of at least two frequency bands by using one antenna, which can reduce the cost of the network device using the antenna for signal transmission or reception.
- the two antennas are used for transmitting and receiving signals of two frequency bands respectively, and the volume of one antenna is significantly smaller than the volume of the two antennas, thereby reducing the use.
- the volume of the network device of the antenna since the antennas of at least two frequency bands are radiated or received in the same antenna, the two antennas are used for transmitting and receiving signals of two frequency bands respectively, and the volume of one antenna is significantly smaller than the volume of the two antennas, thereby reducing the use. The volume of the network device of the antenna.
- FIG. 2 is a schematic diagram of an application scenario in the embodiment of the present application.
- an eNodeB evolved node B, eNB
- EPC evolved packet core
- the EPC can be used by the MME, the SGW, or the PGW.
- the network element is composed of a PCRF; the eNB can radiate a wireless signal, and an antenna is disposed on the CPE product, and can access the eNB by receiving a wireless signal radiated by the eNB, and the CPE converts the signal radiated by the eNB into a Wifi signal, and radiates through the antenna set on the CPE.
- the Wifi signal; a terminal device such as a computer, a smart phone or a notebook computer can connect to the CPE product via a Wifi signal, and communicate.
- the antenna provided by the embodiment of the present application is provided on the CPE product, signals of multiple frequency bands can be radiated through one antenna, for example, Band41, Band42, and Band43 are simultaneously radiated, and the terminal device can also pass the RJ (registered jack) 45.
- the interface accesses the CPE, accesses the Internet through the LTE wireless access function, and sends and receives emails, browses web pages, or downloads files.
- a plurality of frequency bands need to be radiated by multiple antennas, and a plurality of frequency bands need to be radiated by multiple antennas.
- the embodiment of the present application implements a signal that radiates multiple frequency bands by one antenna, thereby reducing the occupied volume of the antenna, thereby reducing the CPE. The volume of the product.
- a wireless signal that a network device communicates with other devices is typically transmitted or received by an antenna on the network device. Therefore, the operating frequency of the antennas in some network devices also needs to include both Band41 and Band42, or both Band41, Band42, and Band43.
- the antenna provided by the embodiment of the present application can implement transmission and reception of multiple frequency bands by one antenna, and can achieve high gain and horizontal omnidirectional radiation.
- the antenna provided by the implementation of the present application can be applied to network devices, including routers, CPEs, MSs, SSs, or mobile phones. Referring to FIG. 3, a schematic diagram of an embodiment of an antenna in the embodiment of the present application includes:
- the top radiating unit 301, the inverting unit 302, the bottom radiating unit 303, and the dielectric substrate 304, and the bottom radiating unit 303 includes an upper radiating module 3031 and a lower radiating module 3032.
- the dielectric substrate 304 serves as a carrier for the top radiating unit 301, the inverting unit 302, and the bottom radiating unit 303.
- the dielectric constant of the dielectric substrate can affect the radiated signal of the antenna, and the dielectric substrate can be selected according to actual equipment requirements.
- One end of the top radiating unit 301 is connected to one end of the inverting unit 302, and the other end of the inverting unit 302 is connected to one end of the upper radiating module 3031.
- the inverting unit 302 includes a portion of the folding line and an upright portion, and the folding line is The portion may be folded by a spiral trace, and the lower radiation module 3032 and the upper radiation module 3031 are included in the bottom radiation unit 303, and the other end of the upper radiation module 3021 is connected to one end of the lower radiation module 3032 by a coaxial line.
- the antenna When the antenna is working, the antenna can radiate the first signal and the second signal, the first signal is in the first frequency band, and the second signal is in the second frequency band, wherein the top radiating unit 301 and the bottom radiating unit 303 are in the same direction And radiating or receiving the signal at the working frequency of the antenna, the current inside the inverting unit 302 is opposite to the current direction of each part due to the spiral trace, cancels each other, and does not radiate the signal.
- the inversion unit 302 does not generate radiation and can reduce the influence of the signals radiated by the top radiating unit 301 and the bottom radiating unit 301.
- the length of the inverting unit 302 may be an odd multiple of the second half wavelength, and the length of the inverting unit 302 is greater than an odd multiple of the first half wavelength, the first half wavelength being half the wavelength corresponding to the frequency of the first signal,
- the first half wavelength may be one-half of the wavelength of the center frequency of the first frequency band
- the second half wavelength is half of the wavelength corresponding to the frequency of the second signal
- the second half wavelength may be the center frequency wavelength of the second frequency band.
- One-half of the first frequency band and the second frequency band are different frequency bands, and the ratio of the center frequency of the second frequency band to the center frequency of the first frequency band may range from 1.3 to 1.6.
- the length of the top radiating unit 301 and the bottom radiating unit 303 may include an odd multiple of the first half wavelength and the second half wavelength, or the first half wavelength and the second half wavelength respectively, so that the antenna radiates at least two frequency bands.
- the signal enables the network device to transmit and receive signals of at least two frequency bands using one antenna.
- the working frequency of the antenna covers a frequency range of at least two frequency bands, including a first frequency band and a second frequency band, and the length of the inverting unit 302 may be a length of the second half wavelength and greater than the first half wavelength. length. Therefore, when the antenna is in operation, the currents of the top radiating unit 301 and the bottom radiating unit 303 are in phase, and horizontal omnidirectional high-gain radiation of at least two frequency bands can be achieved.
- the 1*2 dipole array antenna is taken as an example, where 1 represents a linear array of antennas, and 2 represents two upright radiating elements, that is, the top radiating unit 301 and the bottom radiating.
- the unit 303, the two upright radiating units are connected by an inverting unit, that is, the inverting unit 302.
- the antenna may also be an antenna such as 1*4 or 1*5, and the radiating units are connected by an inverting unit.
- at least two corresponding inverting units may be included. The more the number of radiating elements, the larger the radiation gain of the antenna, and the stronger the signal strength of the radiation, which may be adjusted according to actual design requirements, which is not limited herein. .
- the specific current flow inside the antenna is different.
- the coverage of the antenna includes Band41 and Band42
- the working mode of Band41 can be as shown in Figure 4.
- the wavelength of the center frequency of Band41 is ⁇ 1
- the total antenna The length may be 3 times and a half wavelength of the center frequency of Band 41, that is, 3 ⁇ 1 /2 shown in the figure, and the half wavelength is the wavelength of the center frequency of Band 41, that is, one -half of ⁇ 1 .
- the inverting unit 302 includes two current inversion points, that is, an inversion point 405 and an inversion point 406 shown in the figure, and the current at the two inversion points is 0, and between the two inversion points
- the length is a half wavelength of Band 41, which is ⁇ 1 /2.
- the antenna when the antenna is in the working mode of the Band 41, the antenna can be divided into three parts, and the inversion point 405 and the inversion point 406 are folded, so that between the inversion point 405 and the inversion point 406 The currents cancel each other out, no radiation is generated, and the other two portions radiate signals other than the portion between the inversion point 405 and the inversion point 406, that is, by the top radiating unit 301 and the bottom radiating unit 303, in the two portions.
- the length of the radiation signal can include the length of half the wavelength of Band41.
- the working mode of Band42 can be as shown in Fig. 5.
- the wavelength of the center frequency of Band42 is ⁇ 2
- the total length of the antenna can be 5 times and half wavelength of Band42, which is 5 ⁇ 2 /2 shown in the figure.
- the half wavelength is the center frequency of Band42.
- Half of the wavelength which is one-half of the ⁇ 2 shown in the figure.
- the inverting unit 302 portion includes four current inversion points, that is, an inversion point 507, an inversion point 508, an inversion point 509, and an inversion point 510 shown in the figure.
- the current at the inversion point of the four currents is 0, and the length between the inversion point 507 and the inversion point 510 is the length of the three half wavelengths of Band 42, that is, 3 ⁇ 2 /2 shown in the figure. It can be understood that when the antenna is in the working mode of the Band 42, the antenna can be divided into three parts, namely, the top radiating unit 301, the bottom radiating unit 303, and the inverting unit 302. The inverting unit 302 is folded and the internal current direction is On the contrary, the currents cancel each other out, and no radiation is generated.
- the top radiating unit 301 and the bottom radiating unit 303 except the inverting unit 302 radiate signals, and the lengths of the radiated signals in the two portions may include the length of the half wavelength of the Band 42. That is, ⁇ 2 /2 is shown in the figure.
- the antenna provided by the embodiment of the present application may radiate at least two frequency bands, and may include a Band 41 and a Band 42 frequency band in an LTE system.
- the at least two frequency bands in the horizontal direction are radiated by one antenna, and one frequency band is radiated from one antenna in the prior art, and at least two frequency bands are required to be corresponding to at least two antennas.
- the antenna provided in this embodiment can be reduced.
- the volume of radiation at least two frequency bands reduces the cost of using antennas for network equipment.
- a gap may be added to the inverting unit 302. Specifically, as shown in FIG. 6, the slit 611, that is, the first slit, and the slit 612 are added.
- the second slit obtains the microstrip line 613, that is, the first microstrip line and the microstrip line 614, that is, the second microstrip line and the microstrip line 615, that is, the third microstrip line.
- the microstrip line 613 and the microstrip line 615 can generate a current opposite to the direction of the microstrip line 614, and the current of the microstrip line 613 and the microstrip line 615 can cancel the microstrip line when the antenna operates.
- the current of 614 even if the microstrip line 614 does not produce radiation when the antenna is in the mode of operation of Band 42.
- the microstrip line 613 and the microstrip line 615 can generate a current opposite to the current direction between the inversion point 510 and the inversion point 509, and can cancel a part of the current between the partial inversion point 510 and the inversion point 509, and reduce
- the radiation generated by the portion between the inversion point 510 and the inversion point 509 suppresses the antenna side lobes when the antenna operates in the Band 42 mode.
- the slot 611 and the slot 612 are not between the inversion point 405 and the inversion point 406, and thus have no effect on the Band41 mode.
- the antenna provided by the embodiment of the present application is specifically described below. First, the length of the antenna in the embodiment of the present application is illustrated. Referring to FIG. 7, another embodiment of the antenna in the embodiment of the present application.
- the length of the antenna may be determined according to the wavelength of the working frequency band of the antenna.
- the length of the partial and upper radiation modules 3031 is 30.75 mm, and the length of the lower radiation module 3032 is 19.75 mm.
- the inverting unit 302 includes the slit 611 and the slit 612, the height of the slit 611 and the slit 612 may be 8 mm, and the depth of the slit 611 and the slit 612 on the inverting unit 302 may be to the inversion point 510 to be at the antenna.
- the Band42 mode cancels a portion of the current from the inverting point 510 to the inverting point 509, reducing the antenna sidelobes when the antenna is operating in the Band42 mode.
- the antenna can be fed by a coaxial line, and the upper radiating module 3031 is connected to a conductor in the coaxial line 716, and the conductor in the coaxial line can be soldered to the upper radiating module 3031. Because the shape of the lower radiation module 4062 is "L" shape, the line body of the coaxial line 716 can be placed in the blank portion of the lower radiation module 3032, which can reduce the contact between the coaxial line 716 and the antenna body, and reduce the coaxial line 716 to the antenna. The effect of radiated or received signals.
- the shape of the lower radiation module 3032 may be a "W" shape, or other shapes, in addition to the "L" shape, and is not limited herein.
- the "W” shape is as shown in Fig. 8.
- the conductor of the coaxial line 716 is connected to 3031, and the shield layer is adjacent to the lower radiation module 3033.
- the coaxial line 716 is placed as far as possible in the blank of the bottom lower radiating module 3033, and by reducing the contact of the coaxial line 716 with the antenna body, the effect of the coaxial line 716 on the signal transmitted or received by the antenna is reduced.
- the embodiment of the present application only provides a schematic diagram of the length of the antenna.
- the total length of the antenna is 3 times and a half wavelength of the center frequency of the Band 41, and the center frequency of the Band 42 is 5 times and a half wavelength.
- the length of the antenna can also be It is 5 times and a half wavelength of the center frequency of the Band 41, 7 times and a half wavelength of the center frequency of the Band 42, etc., and is not limited herein.
- the antenna provided in the embodiment of the present application is described in detail below through actual simulation.
- FIG. 9A is a current distribution diagram when the working center frequency of the antenna is 2.6 GHz in the embodiment of the present application
- FIG. 9B is an inversion phase when the working center frequency of the antenna is 2.6 GHz in the embodiment of the present application.
- Unit current distribution map As can be seen from FIG. 9A and FIG. 9B, both the inversion point 405 and the inversion point 406 are points at which the current is inverted, and the current after the inversion current is cancelled is zero.
- the top radiating unit 301 has the same current direction as the bottom radiating unit 303, and since the inverting unit 302 is folded, the internal currents are opposite in direction, cancel each other, and no radiation is generated. Therefore, the antenna can increase the antenna gain when radiating the signal of the Band 41 band, and the current around the slot is consistent with the current direction of the bottom radiating element 303, so the slot has little influence on the Band 41 operating mode of the antenna.
- FIG. 10A is a current distribution diagram of a slotted antenna at a center frequency of 3.5 GHz according to an embodiment of the present application
- FIG. 10B is a reversed center frequency of the antenna with a slot in the embodiment of the present application. Current distribution diagram of the phase unit.
- the top radiating unit 301 and the bottom radiating unit 303 are in phase with each other, and radiate a signal having a center frequency of 3.5 GHz.
- the inverting unit 302 is inverted by the internal current and cancels each other.
- a current opposite to the direction of the microstrip line 614 is generated on both sides of the slit, that is, the microstrip line 613 and the microstrip line 615, so that the inversion current of the microstrip line 614 on the inverting unit 510 is narrowed, and the microstrip line
- the current on 613 and microstrip line 615 is opposite to the direction of current on microstrip line 614, and the portion of microstrip line 613 and current on microstrip line 615 that is opposite to the current on microstrip line 614 can be offset, reducing micro The radiation produced by line 615.
- FIG. 11A is a current distribution diagram of an antenna without a slot at a center frequency of 3.5 GHz according to an embodiment of the present application
- FIG. 11B is a center frequency of an antenna without a slot in the embodiment of the present application.
- Current distribution diagram of the inverting unit As can be seen from FIG. 11A and FIG.
- the antenna without a slot is in the frequency band of the center frequency of 3.5 GHz, the microstrip line portion of the inverting unit 302, the microstrip line portion 615 of the antenna with the slot, and the microstrip line 1117.
- the reverse current is wider on the antenna, the electrical length of the microstrip line 1117 is shorter than the microstrip line 614, and the current of the microstrip line 1117 is opposite to the current of the top radiating element 301 and the bottom radiating element 303.
- the microstrip line 1117 will generate radiation that affects the signal radiation in the frequency band with a center frequency of 3.5 GHz.
- the gap 611 and the slit 612 have a greater influence on the horizontal radiation of the Band 42 mode, so that the signal radiation of the antenna to the Band 42 frequency band is more horizontal, and the side lobes of the antenna are reduced.
- the influence of the slot 611 and the slot 612 on the antenna in the embodiment of the present application will be described in detail below.
- FIG. 12 is a comparison diagram of return loss of the antenna in the embodiment of the present application.
- the antennas in the Band41, Band42, and Band43 bands of the present application have a return loss of less than -10 dB, so the antenna can be in the Band41, Band42, and Band 43 bands.
- the comparison shows that the resonant frequency of the antenna with slits is lower than that of the antenna with no gap near 2.6 GHz and 3.5 GHz, and the resonant frequency covered by the antenna without the gap is higher than that of the covered antenna. Covering the Band42 band, the slotted antenna can completely cover the Band42 band, so adding a slot on the inverting unit allows the antenna to completely cover the Band42 band.
- the antenna is further described in the Band 41 frequency band in the embodiment of the present application by using a specific simulation diagram in conjunction with FIG. 12, FIG. 13A, and FIG.
- the Band41 frequency band that is, the current distribution simulation diagram with a center frequency of 2.6G with a gap is shown in Fig. 13A
- the current distribution simulation diagram of the Band41 frequency band without a gap is shown in Fig. 13B
- the gap is shown in Fig. 13A and Fig. 13B.
- the current distribution of the antenna in the Band 41 band and the antenna without the slot in the Band 41 band is similar to that in the foregoing FIGS. 9A and 9B.
- the inversion point of the slotted antenna coincides with the inversion point of the slotless antenna.
- the comparison between the band width of the antenna Band 41 and the vertical direction without the slot is as shown in FIG. 14.
- the vertical radiation pattern of the slot antenna and the vertical radiation without the slot antenna are shown in FIG.
- the picture is similar. Therefore, the addition of the slit 611 and the slit 612 on the inverting unit 302 has little effect on the Band 41 operation mode of the antenna.
- FIG. 15A The current distribution simulation diagram of the band 42 band center frequency with a 3.4 GHz band slot antenna is shown in FIG. 15A, and the current distribution simulation diagram without the slot antenna is shown in FIG. 15B.
- the antenna micro without gaps is shown in FIG. 15A and FIG. 15B.
- the strip line 1117 is wider than the microstrip line 614 of the slotted antenna, and the antenna microstrip line 1117 without the slot is shorter than the electrical length of the slotted antenna microstrip line 614.
- the circled portions of FIGS. 15A and 15B are current inversion points.
- the slotted antenna is on both sides of the slot, i.e., the microstrip line 613 and the microstrip line 615 generate a current opposite to the direction of the microstrip line 614, thereby reducing the inverting current width on the microstrip line 614 in the inverting unit.
- the inverting current split on strip line 614 is more uniform, the electrical length of microstrip line 614 is extended, the impedance is more matched, and can act as an inductive load. Compared with an antenna without a gap, the resonant frequency of the 5x half-wave mode shifts to the low frequency, so that the Band42 band can be completely covered.
- the vertical direction of the 3.4 GHz band gap and the non-slotted vertical direction in the band Band 42 of the antenna in the embodiment of the present application is as shown in FIG. 16.
- the vertical direction radiation pattern with the slot antenna and the vertical line without the slot antenna are shown in FIG.
- the side lobes of the antenna are reduced, and the radiation of the main lobes is more horizontal. Therefore, the antenna with a slot has a more radiative direction toward the horizontal direction when the center frequency is 3.4 GHz, and the antenna with a slot can reduce the antenna side lobes with a center frequency of 3.4 GHz.
- FIG. 17A The simulation diagram of the current distribution of the band 42 frequency band with a center frequency of 3.45 GHz is shown in Fig. 17A.
- the simulation diagram of the current distribution without a gap is shown in Fig. 17B.
- the antenna microstrip line without a gap is known. 1117 is wider and the microstrip line 1117 is shorter than the electrical length of the microstrip line 614 of the slotted antenna.
- the circled portions of FIGS. 17A and 17B are current inversion points.
- the slotted antenna generates opposite currents on both sides of the slot, reducing the inverting current width on the microstrip line 614 in the inverting unit, and the inverting current fraction on the inverting unit is more uniform, corresponding to the electrical length.
- the impedance is more matched and can act as an inductive load.
- the resonance of the 5x half-wave mode shifts to the low frequency, so that the Band42 band can be completely covered.
- the vertical direction of the 3.45 GHz band gap and the non-slot in the antenna Band 42 of the embodiment of the present application is as shown in FIG. 18.
- the vertical direction radiation pattern of the slot antenna and the vertical line without the slot antenna are shown in FIG.
- the side lobes of the antenna are reduced, and the radiation of the main lobes is more horizontal. Therefore, compared with an antenna without a slot, the antenna with a slot at a center frequency of 3.45 GHz tends to be more horizontal, and the antenna with a slot can reduce the antenna side lobes with a center frequency of 3.45 GHz.
- the horizontal radiation pattern of the antennas with slots in the embodiment of the present application can be seen in FIG. 19, and the antenna provided in the embodiment of the present invention can achieve omnidirectional radiation in the horizontal direction in Band 41 and Band 42.
- the dual-band radiation of the Band 41 and the Band 42 is implemented by an antenna, and the antenna can be applied to various network devices, including network devices such as a CPE, a router, or a mobile phone. It is possible to enable the network device to achieve horizontal omnidirectional transmission or reception of signals of multiple frequency bands even when one antenna is used.
- FIG. 20A is a schematic diagram of an embodiment of an antenna having a slit 611 and a slit 612 having a width of 0.5 mm in the present application
- FIG. 20B is a slit 611 and a slit 612 having a width of 2.7 mm in the embodiment of the present application.
- FIG. 20A is a schematic diagram of an embodiment of an antenna having a slit 611 and a slit 612 having a width of 0.5 mm in the present application
- FIG. 20B is a slit 611 and a slit 612 having a width of 2.7 mm in the embodiment of the present application.
- FIG. 20A is a schematic diagram of an embodiment of an antenna having a slit 611 and a slit 612 having a width of 0.5 mm in the present application
- FIG. 20B is a slit 611 and a slit 612 having a width of 2.7 mm in the embodiment of the present application.
- FIG. 20C is a schematic diagram of an embodiment of an antenna having a slot 611 and a slot 612 having a width of 3.8 mm in the embodiment of the present application.
- the antennas in FIG. 20A, FIG. 20B, and FIG. 20C have other portions such as the top radiating unit 301, the top radiating unit 303, and the like and the top radiating in FIG. 2-7 except for the width of the slit.
- the lengths of the unit 301 and the top radiating unit 303 are similar, and are not described herein.
- 21A, 21B, and 21C are current distribution diagrams of an antenna having a slit width of 0.5 mm, 2.7 mm, and 3.8 mm at a center frequency of 2.6 GHz, which can be obtained by simulation, and have a width of 0.5 mm, 2.7 mm, and The current distribution of the 3.8 mm antenna is similar at the center frequency of 2.6 GHz.
- 22A, 22B, and 22C are current distribution diagrams of an antenna having a slit width of 0.5 mm, 2.7 mm, and 3.8 mm at a center frequency of 3.5 GHz, which can be obtained by simulation, and have a width of 0.5 mm, 2.7 mm, and The 3.8mm antenna has a similar current distribution at a center frequency of 3.5 GHz.
- FIG. 23 is a diagram showing the return loss of the antennas of different slot widths according to the embodiment of the present invention.
- the return loss of the antennas of different slot widths in the respective frequency bands is similar in the embodiment of the present application, that is, the width of the slot is implemented in the present application.
- the horizontal direction of each frequency band of the antenna has little effect.
- the width of the microstrip line 613 and the microstrip line 615 outside the slit should not be too narrow to avoid the loss of the reverse current on the microstrip line 614 due to the narrowness of the microstrip line 613 and the microstrip line 615 outside the slit.
- the cancellation effect for example, the microstrip line 613 and the microstrip line 615 may have a width of at least 2 mm, which may cancel the reverse current of the portion of the microstrip line 614.
- the effect of the slot width of the antenna in the embodiment of the present application on the working frequency band in addition, the length of each radiating element and the inverting unit of the antenna also affects the working frequency band of the antenna, for example, the folding of the folded portion of the inverting unit
- the number of points will affect the working frequency band of the antenna.
- the antenna 1 of the five bending points is as shown in Fig. 24A
- the antenna 2 of the four bending points is as shown in Fig. 24B.
- the folded portion of the inverting unit of the antenna 1 in Fig. 24A includes five bending points
- the antenna 2 of Fig. 24B has four bending points
- the antenna 1 has the same total length as the antenna 2.
- the length of the top radiating element of the antenna 1 is 32 mm
- the length of the top radiating element of the antenna 2 is 34 mm
- the length of the radiating element of the antenna 1 and the antenna 2 is the same
- the length of the slit portion of the antenna 1 and the inverting unit of the antenna 2 is 8 mm
- the antenna 1 The width of the antenna 2 is also 15 mm at the same time.
- the current distribution diagram of the antenna 1 in the frequency band of the center frequency of 3.5 GHz is as shown in Fig. 25A
- the current distribution diagram of the antenna 2 in the frequency band of the center frequency of 3.5 GHz is as shown in Fig. 25B. Referring to FIG.
- FIG. 23A and FIG. 23B a schematic diagram of the return loss of the antenna 1 and the antenna 2 in the embodiment of the present application, and a current distribution diagram of the antenna 1 and the antenna 2 at a center frequency of 3.5 GHz are as shown in FIG. 23A and FIG. 23B, and the antenna 2 is inverted. There are only three points. Therefore, when antenna 2 is operating in a frequency band with a center frequency of 3.5G, the length of the antenna is 4 and a half wavelengths of the band, which will cause the main beam of the Band42 band to be out of the horizontal plane, and the antenna 1 is at 2.6 GHz and 3.5. The resonant ratio of GHz is lower.
- a schematic diagram of the vertical direction of the antenna 1 and the antenna 2 in the center frequency of the 3.5 GHz band is shown in FIG.
- the antenna 1 is radiated in the horizontal direction, and the main beam of the antenna 2 is not in the horizontal plane.
- the antenna with 5 bending points has an antenna with 4 bending points relative to the inverting unit, and the band of Band 42 is radiated closer to the horizontal direction.
- FIG. 28A is an antenna with a bottom radiating unit width of 14 mm
- FIG. 28B is bottom radiating.
- the return loss of an antenna with a cell width of 9 mm and a bottom radiating cell width of 14 mm and 9 mm is shown in FIG. 28A, 28B, and 29, the bandwidth of the antenna having a bottom radiating element width of 14 mm is significantly larger than the bandwidth of the antenna having a bottom radiating element of 9 mm. Therefore, the wider the width of the bottom radiating element of the antenna in the embodiment of the present application, the wider the bandwidth of the antenna covering the frequency band.
- the width of the bottom radiating element can be adjusted according to the actual design requirements.
- the width of the bottom radiating element can be designed according to the total width of the antenna, the width of the bottom radiating element does not exceed the total width of the antenna, or the bottom radiating is designed according to the required bandwidth.
- the unit width is such that the frequency range of the antenna covers the required frequency band, which is not limited herein.
- the antennas in the embodiments of the present application are described in detail.
- the antenna return loss provided in the embodiment of the present application is as shown in FIG.
- the antenna generates six resonances with resonant frequencies of 0.94 GHz, 2.12 GHz, 2.65 GHz, 3.0 GHz, 3.42 GHz, and 3.94 GHz, respectively, and the current modes are corresponding half wavelengths and two and a half wavelengths, respectively. 3 times half wavelength, 4 times half wavelength, 5 times half wavelength, and 6 times half wavelength, it should be understood that the half wavelength corresponding to each resonance frequency is one-half of the wavelength of each resonance frequency.
- the half-wavelength mode is a low frequency band with a center frequency of 0.94 GHz, and can cover the LTE Band8 (880MHz-960MHz) receiving frequency band (925MHz-960MHz). If the capacitor or the inductor matched with the antenna is connected, the Band8 signal radiation can also be realized. Can be adjusted according to actual design needs.
- the 2x and a half wavelengths are the operating mode of the center frequency of 2.12GHz, which can cover the receiving band of LTE Band1 (1920MHz-2170MHz) (2110MHz-2170MHz). If the capacitive inductance matched with the antenna is connected, Band1 signal radiation can also be realized. Can be adjusted according to actual design needs.
- the 3x half-wavelength mode fully covers Band41's frequency band and features horizontal omnidirectional high gain.
- the antenna provided by the embodiment of the present application can implement radiation or receive signals of multiple LTE frequency bands on one antenna body, and can be applied to various network devices, so that the network device can implement radiation of multiple LTE frequency band signals through the one antenna. With receiving. It can reduce the size of network equipment and reduce the cost of network equipment.
- the CPE product adopts the LTE low-frequency and high-frequency split antenna design, and the high-frequency antenna, that is, the antenna provided by the embodiment of the present application is 2 and a half times.
- the working frequency band of the wavelength is low frequency 1 GHz, which may absorb the efficiency of the LTE low frequency antenna in the system.
- a high-pass filter circuit can be added to the high-frequency antenna feeding path to filter out the low-frequency signal and reduce the influence on the LTE low-frequency antenna.
- the antenna provided by the embodiment of the present application may be a feedforward antenna in addition to the bottom feed antenna.
- the antenna is a feedforward antenna
- the upper portion of the antenna is similar to the bottom feed antenna, and the lower portion and the upper portion are similar.
- the specific working principle of the feed-forward antenna is similar to that of the feed-forward antenna, and details are not described herein.
- the antenna provided in the embodiment of the present application is described in detail.
- the antenna provided in the embodiment of the present application may be applied to a network device, for example, a CPE, a router, a terminal device, and the like.
- a network device for example, a CPE, a router, a terminal device, and the like.
- FIG. 30 a schematic diagram of an embodiment of a CPE in the embodiment of the present application.
- FIG. 31 is a schematic structural diagram of a hardware device of a CPE in the present application.
- the CPE 3100 includes a processor 3110, a memory 3120, a baseband circuit 3130, a radio frequency circuit 3140, an antenna 3150, and a bus 3160.
- the processor 3110 and the memory 3120 are configured.
- the baseband circuit 3130, the radio frequency circuit 3140 and the antenna 3150 are connected by a bus 3160;
- the memory 3120 stores corresponding operation instructions;
- the processor 3110 controls the radio frequency circuit 3140, the baseband circuit 3130 and the antenna 3150 to perform corresponding operations by executing the above operation instructions. Operation.
- the processor 3110 can control the radio frequency circuit to generate a composite signal, and then radiate the first signal in the first frequency band and the second signal in the second frequency band through the antenna.
- the embodiment of the present application further provides a terminal device.
- a terminal device As shown in FIG. 32, for the convenience of description, only parts related to the embodiment of the present invention are shown.
- the terminal may be any terminal device including a mobile phone, a tablet computer, a PDA (Personal Digital Assistant), a POS (Point of Sales), an in-vehicle computer, and the terminal is a mobile phone as an example:
- FIG. 32 is a block diagram showing a partial structure of a mobile phone related to a terminal provided by an embodiment of the present invention.
- the mobile phone includes: a radio frequency (RF) circuit 3210, a memory 3220, an input unit 3230, a display unit 3240, a sensor 3250, an audio circuit 3260, a wireless fidelity (WiFi) module 3270, and a processor 3280. And power supply 3290 and other components.
- RF radio frequency
- the RF circuit 3210 can be used for receiving and transmitting signals during the transmission or reception of information or during a call. Specifically, after receiving the downlink information of the base station, the processor 3280 processes the data. In addition, the uplink data is designed to be sent to the base station.
- RF circuit 3210 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like.
- the antenna can radiate signals in at least two frequency bands. For example, the antenna can simultaneously radiate signals in the Band41, Band42, and Band43 bands in the LTE system.
- RF circuitry 3210 can also communicate with the network and other devices via wireless communication.
- the above wireless communication may use any communication standard or protocol, including but not limited to Global System of Mobile communication (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (Code Division). Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), E-mail, Short Messaging Service (SMS), and the like.
- GSM Global System of Mobile communication
- GPRS General Packet Radio Service
- CDMA Code Division Multiple Access
- WCDMA Wideband Code Division Multiple Access
- LTE Long Term Evolution
- E-mail Short Messaging Service
- the memory 3220 can be used to store software programs and modules, and the processor 3280 executes various functional applications and data processing of the mobile phone by running software programs and modules stored in the memory 3220.
- the memory 3220 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may be stored according to Data created by the use of the mobile phone (such as audio data, phone book, etc.).
- memory 3220 can include high speed random access memory, and can also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
- the input unit 3230 can be configured to receive input numeric or character information and to generate key signal inputs related to user settings and function controls of the handset.
- the input unit 3230 may include a touch panel 3231 and other input devices 3232.
- the touch panel 3231 also referred to as a touch screen, can collect touch operations on or near the user (such as the user using a finger, a stylus, or the like on the touch panel 3231 or near the touch panel 3231. Operation), and drive the corresponding connecting device according to a preset program.
- the touch panel 3231 may include two parts: a touch detection device and a touch controller.
- the touch detection device detects the touch orientation of the user, and detects a signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts the touch information into contact coordinates, and sends the touch information.
- the processor 3280 is provided and can receive commands from the processor 3280 and execute them.
- the touch panel 3231 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
- the input unit 3230 may also include other input devices 3232.
- other input devices 3232 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, joysticks, and the like.
- the display unit 3240 can be used to display information input by the user or information provided to the user as well as various menus of the mobile phone.
- the display unit 3240 can include a display panel 3241.
- the display panel 3241 can be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.
- the touch panel 3231 can cover the display panel 3241. When the touch panel 3231 detects a touch operation on or near the touch panel 3231, the touch panel 3231 transmits to the processor 3280 to determine the type of the touch event, and then the processor 3280 according to the touch event. The type provides a corresponding visual output on display panel 3241.
- the touch panel 3231 and the display panel 3241 are used as two independent components to implement the input and input functions of the mobile phone, in some embodiments, the touch panel 3231 and the display panel 3241 may be integrated. Realize the input and output functions of the phone.
- the handset may also include at least one type of sensor 3250, such as a light sensor, motion sensor, and other sensors.
- the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display panel 3241 according to the brightness of the ambient light, and the proximity sensor may close the display panel 3241 and/or when the mobile phone moves to the ear. Or backlight.
- the accelerometer sensor can detect the magnitude of acceleration in all directions (usually three axes). When it is stationary, it can detect the magnitude and direction of gravity.
- the mobile phone can be used to identify the gesture of the mobile phone (such as horizontal and vertical screen switching, related Game, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tapping), etc.; as for the mobile phone can also be configured with gyroscopes, barometers, hygrometers, thermometers, infrared sensors and other sensors, no longer Narration.
- the gesture of the mobile phone such as horizontal and vertical screen switching, related Game, magnetometer attitude calibration
- vibration recognition related functions such as pedometer, tapping
- the mobile phone can also be configured with gyroscopes, barometers, hygrometers, thermometers, infrared sensors and other sensors, no longer Narration.
- An audio circuit 3260, a speaker 3261, and a microphone 3262 can provide an audio interface between the user and the handset.
- the audio circuit 3260 can transmit the converted electrical data of the received audio data to the speaker 3261, and convert it into a sound signal output by the speaker 3261; on the other hand, the microphone 3262 converts the collected sound signal into an electrical signal, by the audio circuit 3260. After receiving, it is converted into audio data, and then processed by the audio data output processor 3280, transmitted to the mobile phone 3210 via the RF circuit 3210, or outputted to the memory 3220 for further processing.
- WiFi is a short-range wireless transmission technology.
- the mobile phone can help users to send and receive emails, browse web pages and access streaming media through the WiFi module 3270. It provides users with wireless broadband Internet access.
- FIG. 32 shows the WiFi module 3270, it can be understood that it does not belong to the essential configuration of the mobile phone, and may be omitted as needed within the scope of not changing the essence of the invention.
- the processor 3280 is the control center of the handset, which connects various portions of the entire handset using various interfaces and lines, by executing or executing software programs and/or modules stored in the memory 3220, and invoking data stored in the memory 3220, The phone's various functions and processing data, so that the overall monitoring of the phone.
- the processor 3280 may include one or more processing units; preferably, the processor 3280 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, an application, and the like.
- the modem processor primarily handles wireless communications. It will be appreciated that the above described modem processor may also not be integrated into the processor 3280.
- the mobile phone also includes a power supply 3290 (such as a battery) for powering various components.
- a power supply 3290 (such as a battery) for powering various components.
- the power supply can be logically coupled to the processor 3280 through a power management system to manage functions such as charging, discharging, and power management through the power management system.
- the mobile phone may further include a camera, a Bluetooth module, and the like, and details are not described herein again.
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Abstract
Description
Claims (12)
- 一种天线,其特征在于,所述天线辐射Band41的信号与Band 42的信号,所述Band41的信号的中心频率对应的波长为λ 1,所述Band42的信号的中心频率的波长为λ 2,所述天线包括:介质基板,顶部辐射单元,反相单元以及底部辐射单元;所述介质基板作为所述顶部辐射单元,所述反相单元,以及所述底部辐射单元的载体;所述顶部辐射单元的一端与所述反相单元的一端连接;所述反相单元的另一端与所述底部辐射单元的一端连接,所述反相单元的长度为3λ 2/2,所述反相单元的长度大于λ 1/2;所述反相单元包括至少两个电流反相点,所述至少两个电流反相点之间的部分不产生辐射,所述顶部辐射单元与所述底部辐射单元水平全向辐射所述Band41的信号与所述Band 42的信号。
- 一种天线,其特征在于,所述天线辐射第一信号与第二信号,所述第一信号与所述第二信号处于不同频段,第一半波长为所述第一信号对应波长的一半,第二半波长为所述第二信号对应波长的一半,所述天线包括:介质基板,顶部辐射单元,反相单元以及底部辐射单元;所述介质基板作为所述顶部辐射单元,所述反相单元,以及所述底部辐射单元的载体;所述顶部辐射单元的一端与所述反相单元的一端连接;所述反相单元的另一端与所述底部辐射单元的一端连接,所述反相单元的长度为所述第二半波长的第一奇数倍,所述反相单元的长度大于所述第一半波长的第二奇数倍;所述反相单元包括至少两个电流反相点,所述至少两个电流反相点之间的部分不产生辐射,所述顶部辐射单元与所述底部辐射单元水平全向辐射所述第一信号与所述第二信号。
- 根据权利要求2所述的天线,其特征在于,所述顶部辐射单元与所述底部辐射单元水平全向辐射所述第一信号和所述第二信号,包括:所述反相单元中所述第一半波长的第二奇数倍长度的部分所包括的至少两个电流反相点之间电流抵消,使得所述反相单元中第一半波长的第二奇数倍长度的部分不产生辐射,由所述反相单元中除所述第一半波长的奇数倍长度部分外的部分,所述顶部辐射单元以及所述底部辐射单元水平全向辐射所述第一信号;和,所述反相单元中所述第二半波长的第一奇数倍长度的部分所包括的至少两个电流反相点之间电流抵消,使得所述反相单元不产生辐射,由所述顶部辐射单元与所述底部辐射单元水平全向辐射所述第二信号。
- 根据权利要求3所述的天线,其特征在于,所述反相单元包括折叠走线部分与直立部分,所述直立部分包括第一缝隙与第二缝隙,所述第一缝隙与所述第二缝隙平行,所述第一缝隙与所述第二缝隙将所述反相单元中与所述第一缝隙以及所述第二缝隙对应的长度范围分为第一微带线、第二微带线与第三微带线,所述第一微带线与所述第三微带线分别位于所述第二微带线的两侧,当所述天线辐射所述第二信号时,所述第一微带线与所述第二微带线电流方向相反,所述第二微带线的电流方向与所述第三微带线的电流方向相反,以使得所述第二微带线不产生辐射。
- 根据权利要求4所述的天线,其特征在于,所述第二信号与所述第一信号的频率比值范围为1.3-1.6。
- 根据权利要求5所述的天线,其特征在于,所述第一信号处于2496MHz-2690MHz,所述第二信号处于3400MHz-3800MHz。
- 根据权利要求6所述的天线,其特征在于,所述天线的长度为99mm,所述天线的长度为所述第一半波长的3倍,以及所述天线的长度为所述第二半波长的5倍。
- 根据权利要求7所述的方法,其特征在于,所述第一微带线的最低宽度为2mm,所述第三微带线的宽度为最低2mm。
- 根据权利要求4-8中任一项所述的天线,其特征在于,所述第一缝隙的宽度范围为0.5mm-3.8mm,所述第二缝隙的宽度范围为0.5mm-3.8mm。
- 根据权利要求4-9中任一项所述的天线,其特征在于,所述第一缝隙的长度为8mm,所述第二缝隙的长度为8mm。
- 根据权利要求2-10中任一项所述的天线,其特征在于,所述底部辐射单元包括:上辐射模块与下辐射模块,所述上辐射模块通过同轴线与所述下辐射模块连接,所述下辐射模块包括空隙部分,所述同轴线置于所述下辐射模块的空隙部分,所述同轴线用于对所述天线进行馈电。
- 一种终端设备,其特征在于,所述终端设备包括:天线,处理器、存储器、总线以及输入输出接口;所述天线包括权利要求1-11中任一项所述的天线;所述存储器中存储有程序代码;所述处理器调用所述存储器中的程序代码时向所述天线发送控制信号,所述控制信号用于控制所述天线发送第一信号或第二信号。
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US16/956,188 US11251534B2 (en) | 2017-12-21 | 2018-08-23 | Antenna and terminal |
AU2018386614A AU2018386614B2 (en) | 2017-12-21 | 2018-08-23 | Antenna and terminal |
JP2020528266A JP7001313B2 (ja) | 2017-12-21 | 2018-08-23 | アンテナおよび端末 |
EP18892342.9A EP3706241A4 (en) | 2017-12-21 | 2018-08-23 | ANTENNA AND TERMINAL |
CN201880022588.7A CN110731031B (zh) | 2017-12-21 | 2018-08-23 | 一种天线和终端 |
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