CN108155457B - Mobile terminal for wireless communication - Google Patents

Mobile terminal for wireless communication Download PDF

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Publication number
CN108155457B
CN108155457B CN201711449668.4A CN201711449668A CN108155457B CN 108155457 B CN108155457 B CN 108155457B CN 201711449668 A CN201711449668 A CN 201711449668A CN 108155457 B CN108155457 B CN 108155457B
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China
Prior art keywords
antenna
filter circuit
mobile terminal
transceiver
wireless communication
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CN201711449668.4A
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CN108155457A (en
Inventor
简宪静
黄奂衢
王义金
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Priority to CN201711449668.4A priority Critical patent/CN108155457B/en
Publication of CN108155457A publication Critical patent/CN108155457A/en
Priority to PCT/CN2018/123852 priority patent/WO2019129043A1/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242Supports; 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
    • H01Q1/243Supports; 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/50Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00Antenna arrays or systems

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)
  • Telephone Set Structure (AREA)

Abstract

The invention provides a mobile terminal for wireless communication, relates to the field of wireless communication, and is beneficial to realizing the design of an MIMO antenna on the mobile terminal. The mobile terminal for wireless communication comprises a system ground and at least one first antenna, wherein the first antenna is arranged at one end of the system ground, and the mobile terminal for wireless communication further comprises: at least one second antenna, the second antenna is arranged on the first side and/or the second side of the system ground; the second antenna is connected with the system ground, a filter circuit is arranged on the second antenna, and the second antenna generates high-frequency resonance by means of the filter circuit. According to the invention, the current distribution on the ground of the system is changed through the second antenna, so that a far-field radiation directional pattern of the GNSS antenna can face towards the sky, and the function of the MIMO antenna is realized by multiplexing the second antenna, so that the antenna performance and the transmission capacity of wireless communication are improved, the user experience is optimized, the space of the whole machine is effectively saved, the cost of the whole machine is reduced, and the product competitiveness is enhanced.

Description

Mobile terminal for wireless communication
Technical Field
The present invention relates to the field of wireless communications, and in particular, to a mobile terminal for wireless communications.
Background
Because the popularity of the mobile terminal is higher and higher, the user has more and more services, applications and requirements for positioning and path navigation planning, so that the positioning and navigation functions equipped on the intelligent mobile terminal become standard system configuration basically, and the satisfaction degree of the user on the mobile terminal is often obviously influenced by the performance of the positioning and navigation functions, so that the performance of the positioning and navigation functions in the mobile terminal is increasingly concerned by mobile terminal design manufacturers. However, GNSS (Global navigation Satellite System) satellites in space, such as GPS (Global positioning System), russian Glonass, chinese beidou Satellite navigation System (BDS), and Galileo Satellite navigation System (Galileo), are signal sources commonly used for positioning and navigation, that is, the signals for positioning and navigation are basically from the sky, so how to direct the radiation pattern of the GNSS antenna in the mobile terminal to the sky, even if the main beam direction is directed to the signal source for wireless communication, so as to improve the receiving performance, and thus better wireless communication quality and user experience are important subjects of mobile terminal antenna designers.
On the other hand, with the progressive advancement of the fifth generation mobile communication technology (5G), compared with 4G communication, 5G has the characteristics of continuous wide area coverage, high hot spot capacity, low power consumption, large connection, low time delay, high reliability and the like, which brings new challenges to the antenna design of mobile terminals such as mobile phones and the like. In order to further increase the wireless communication capacity, the requirement of 5G for MIMO (Multiple-Input Multiple-Output) technology is more vigorous and necessary. However, at present, mobile phones have more and more integrated functions, the number of corresponding antennas is more and more, the space reserved for the antennas is smaller and smaller, and the difficulty is greater and greater when the MIMO antenna design or even the higher-order MIMO antenna design is to be realized. Therefore, how to effectively utilize the limited antenna space and realize MIMO antenna design and even higher-order MIMO antenna becomes one of the important and urgent research subjects of the present antenna engineers.
Disclosure of Invention
The embodiment of the invention provides a mobile terminal for wireless communication, which solves the problem that an MIMO antenna is difficult to realize on the mobile terminal in the prior art.
To help achieve the above object, the present invention is realized as follows: a mobile terminal for wireless communication, comprising a system ground and at least one first antenna, said first antenna being arranged at one end of said system ground, further comprising:
at least one second antenna disposed on a first side and/or a second side of the system ground;
the second antenna is connected with the system ground, a filter circuit is arranged on the second antenna, and the second antenna generates high-frequency resonance by means of the filter circuit.
In the embodiment of the invention, at least one second antenna is added on the first side and/or the second side of the system ground, the second antenna is connected to the ground, the current distribution on the public system ground is changed through the second antenna, and the radiation pattern of the GNSS antenna is further changed, so that the far-field radiation pattern of the GNSS antenna can face the sky, the quality of wireless communication is improved, and the user experience is optimized. And the second antenna is provided with the filter circuit, and generates high-frequency resonance by virtue of the filter circuit, so that the second antenna is multiplexed, the function of the MIMO antenna is realized, the antenna performance and the communication capacity of a wireless communication system are improved, and the user experience is optimized. And through effectively multiplexing the second antenna, the same antenna device can realize different functions, thereby reducing the number of the antennas, effectively saving the space of the whole machine, reducing the cost of the whole machine and strengthening the competitiveness of the product.
Drawings
Fig. 1 is a schematic structural diagram of a mobile terminal for wireless communication according to an embodiment of the present invention;
fig. 2 is another schematic structural diagram of a mobile terminal for wireless communication according to an embodiment of the present invention;
fig. 3 is another schematic structural diagram of a mobile terminal for wireless communication according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In some embodiments of the present invention, referring to fig. 1 and 2, there is provided a mobile terminal for wireless communication, including a system ground 10 and at least one first antenna 20, where the first antenna 20 is disposed at one end of the system ground 10, and further including:
at least one second antenna 30, wherein the second antenna 30 is arranged on the first side and/or the second side of the system ground 10;
the second antenna 30 is connected to the system ground 10, and a filter circuit 40 is disposed on the second antenna 30, and the second antenna 30 generates high frequency resonance by means of the filter circuit 40.
The system ground 10 may be a ground of the mobile terminal, such as a main board of the mobile terminal or a middle case structure carrying the main board. The first side and the second side may be located on opposite sides of the system ground 10.
Wherein the low frequency resonance is near the GNSS frequency point. The low frequency band may take any reasonable value near the GNSS frequency point. The high-frequency resonance is higher than the GNSS frequency point, and the high-frequency resonance can be single frequency or multi-frequency.
According to the mobile terminal for wireless communication, the at least one second antenna 30 is added on the first side and/or the second side of the system ground 10, the second antenna 30 is connected to the ground, the current distribution on the public system ground is changed through the second antenna 30, and then the radiation pattern of the GNSS antenna is changed, so that the far-field radiation pattern of the GNSS antenna can face the sky, the quality of wireless communication is improved, and the user experience is optimized. The filter circuit 40 is arranged on the second antenna 30, and the second antenna 30 generates high-frequency resonance by means of the filter circuit 40, so that the second antenna 30 is multiplexed, the function of the MIMO antenna is realized, the antenna performance and the communication capacity of the wireless communication system are improved, and the user experience is optimized. And through effectively multiplexing the second antenna 30, make the same antenna assembly realize different functions, thus has reduced the quantity of the aerial, has saved the space of the complete machine effectively, has also reduced the cost of the complete machine, has strengthened the competitiveness of the products.
Specifically, as shown in fig. 1 and 2, two first antennas 20 are disposed at the top end of the system ground 10, the first antenna 20 on the left side may cover the whole frequency band (including the 5G frequency band), and the first antenna 20 on the right side may cover the GNSS/WIFI (wireless fidelity, wireless local area network)/BT (Bluetooth )/LTE (Long Term Evolution, Long Term Evolution) high frequency band or the 5G sub-6GH frequency band. A second antenna 30 connected to ground is provided on each of the first and second sides of the system ground 10, which are located on opposite sides of the system ground 10, thereby changing the current distribution on the common system ground and changing the radiation pattern of the GNSS antenna so that the GNSS antenna far-field radiation pattern can be directed skyward. Each second antenna 30 is provided with one filter circuit 40, and through the function of the filter circuit 40, the second antenna 30 can generate high-frequency resonance, for example, the second antenna 30 generates resonance (for example, 3.5GHz and/or 4.9GHz) in a sub-6GHz band of 5G, thereby implementing the function of the MIMO antenna.
Optionally, the mobile terminal for wireless communication further includes:
at least one first transceiver 50;
a first terminal of the second antenna 30 is connected to the system ground 10, and a second terminal of the second antenna 30 is connected to the first transceiver 50 via the filter circuit 40;
a first terminal of the first transceiver 50 is connected to the filter circuit 40, and a second terminal of the first transceiver 50 is connected to the system ground 10.
Here, each second antenna 30 corresponds to one first transceiver 50, and the filter circuit 40 is loaded between the second antenna 30 and the corresponding first transceiver 50.
At this time, the high frequency signal generated by the first transceiver 50 can be directly grounded by the operation of the filter circuit 40, thereby generating high frequency resonance and realizing the function of the MIMO antenna.
Optionally, the filter circuit 40 includes a first filter circuit 41 and a second filter circuit 42;
the first filter circuit 41 isolates low-frequency signals;
the second filter circuit 42 isolates high frequency signals.
In this case, the low frequency signal can be isolated by the action of the first filter circuit 41, and the high frequency signal can be passed. The high frequency signals can be isolated by the action of the second filter circuit 42, passing the low frequency signals.
The first filter circuit 41 may include a capacitor; the second filter circuit 42 may, for example, comprise an inductor. However, the first filter circuit 41 may also have another circuit structure capable of isolating low-frequency signals, and similarly, the second filter circuit 42 may also have another circuit structure capable of isolating high-frequency signals.
Further, a second terminal of the second antenna 30 is connected to the first transceiver 50 through the first filter circuit 41, and a second terminal of the second antenna 30 is connected to the second filter circuit 42.
Here, as shown in fig. 1 and 2, the first terminal of the second antenna 30 is grounded, the second terminal of the second antenna 30 is connected to the first terminal of the first transceiver 50 through the first filter circuit 41, the second terminal of the first transceiver 50 is grounded, and the second terminal of the second antenna 30 is connected to the second filter circuit 42.
At this time, the high frequency signal generated by the first transceiver 50 passes through the first filter circuit 41 and then directly goes to the ground, so as to generate high frequency resonance, thereby realizing the function of the MIMO antenna, and the high frequency signal is isolated by the second filter circuit 42, so that the function of the second antenna 30 for changing the GNSS antenna directional pattern is not affected. Meanwhile, the low-frequency signal can pass through the second filter circuit 42 and be isolated by the first filter circuit 41, and the function of the second antenna 30 for changing the GNSS antenna pattern is not influenced. Therefore, the directional diagram of the GNSS antenna is changed, the directional diagram of the GNSS antenna can face the sky, the function of the high-frequency MIMO antenna is realized, the performance of the antenna and the communication capacity of a wireless communication system are improved, and the product competitiveness and the user experience are enhanced.
Optionally, the second antenna 30 and the second filter circuit 42 are disposed on opposite sides of the first transceiver 50.
Further, as shown in fig. 1 and 2, the second filter circuit 42 is disposed on a side of the first transceiver 50 close to the first antenna 20, and the second antenna 30 is disposed on a side of the first transceiver 50 away from the first antenna 20; alternatively, the second antenna 30 is disposed on a side of the first transceiver 50 close to the first antenna 20, and the second filter circuit 42 is disposed on a side of the first transceiver 50 away from the first antenna 20.
Specifically, as shown in fig. 1, two first antennas 20 are disposed at the top end of the system ground 10, the left first antenna 20 may cover the whole frequency band (including the 5G frequency band), and the right first antenna 20 may cover the GNSS/WIFI/BT/LTE high frequency band or the 5Gsub-6GH frequency band. A second antenna 30 connected to ground is provided on each of the first and second sides of the system ground 10, which are located on opposite sides of the system ground 10, thereby changing the current distribution on the common system ground and changing the radiation pattern of the GNSS antenna so that the GNSS antenna far-field radiation pattern can be directed skyward. And one filter circuit 40 is disposed on both the second antennas 30 on the first side and the second side, and the filter circuit 40 includes a first filter circuit 41 and a second filter circuit 42. It is assumed that the first side is a left side and the second side is a right side among opposite sides of the system ground 10 in the width direction. As shown in fig. 1, the first terminal of the left-hand second antenna 30 is connected to the system ground 10, the second terminal of the second antenna 30 is connected to the first terminal of the first transceiver 50 through the first filter circuit 41, the second terminal of the first transceiver 50 is connected to the ground, and the second terminal of the second antenna 30 is connected to the second filter circuit 42. Similarly, the first end of the second antenna 30 on the right side is connected to the system ground 10, the second end of the second antenna 30 is connected to the first end of the first transceiver 50 through the first filter circuit 41, the second end of the first transceiver 50 is connected to the ground, and the second end of the second antenna 30 is connected to the second filter circuit 42. Further, the second filter circuit 42 on the left side is disposed on the side of the first transceiver 50 close to the first antenna 20, and the second antenna 30 is disposed on the side of the first transceiver 50 far from the first antenna 20. Similarly, the right second filter circuit 42 is disposed on a side of the first transceiver 50 adjacent to the first antenna 20, and the second antenna 30 is disposed on a side of the first transceiver 50 remote from the first antenna 20.
In this case, the first filter circuit 41 functions to isolate low frequencies from high frequencies, and the second filter circuit 42 functions to isolate high frequencies from low frequencies. In the left side of the second antenna 30, the high frequency signal generated by the first transceiver 50 directly reaches the ground after passing through the first filter circuit 41, and generates high frequency resonance, thereby realizing the function of the MIMO antenna, while the high frequency signal is isolated by the second filter circuit 42, and the function of the second antenna 30 for changing the directional diagram of the GNSS antenna is not affected. Meanwhile, signals with low frequency can pass through the second filter circuit 42, and the first filter circuit 41 plays a role of isolating low frequency without affecting the function of changing the radiation pattern of the GNSS antenna. Similarly, in the second antenna 30 on the right side, the high-frequency signal generated by the first transceiver 50 directly reaches the ground after passing through the first filter circuit 41, and generates high-frequency resonance, so that the function of the MIMO antenna is realized, and the high-frequency signal is isolated by the second filter circuit 42, so that the function of the second antenna 30 for changing the directional diagram of the GNSS antenna is not affected. Meanwhile, signals with low frequency can pass through the second filter circuit 42, and the first filter circuit 41 plays a role of isolating low frequency without affecting the function of changing the radiation pattern of the GNSS antenna. Therefore, on one hand, the directional diagram of the GNSS antenna is changed, the directional diagram of the GNSS antenna can face the sky, meanwhile, the function of the high-frequency MIMO antenna is achieved, the performance of the antenna and the communication capacity of a wireless communication system are improved, and the product competitiveness and the user experience are enhanced.
Specifically, as shown in fig. 2, two first antennas 20 are disposed at the top end of the system ground 10, the left first antenna 20 may cover the whole frequency band (including the 5G frequency band), and the right first antenna 20 may cover the GNSS/WIFI/BT/LTE high frequency band or the 5Gsub-6GH frequency band. A second antenna 30 connected to ground is provided on each of the first and second sides of the system ground 10, which are located on opposite sides of the system ground 10, thereby changing the current distribution on the common system ground and changing the radiation pattern of the GNSS antenna so that the GNSS antenna far-field radiation pattern can be directed skyward. And one filter circuit 40 is disposed on both the second antennas 30 on the first side and the second side, and the filter circuit 40 includes a first filter circuit 41 and a second filter circuit 42. It is assumed that the first side is a left side and the second side is a right side among opposite sides of the system ground 10 in the width direction. As shown in fig. 1, the first terminal of the left-hand second antenna 30 is connected to the system ground 10, the second terminal of the second antenna 30 is connected to the first terminal of the first transceiver 50 through the first filter circuit 41, the second terminal of the first transceiver 50 is connected to the ground, and the second terminal of the second antenna 30 is connected to the second filter circuit 42. Similarly, the first end of the second antenna 30 on the right side is connected to the system ground 10, the second end of the second antenna 30 is connected to the first end of the first transceiver 50 through the first filter circuit 41, the second end of the first transceiver 50 is connected to the ground, and the second end of the second antenna 30 is connected to the second filter circuit 42. Further, the second filter circuit 42 on the left side is disposed on the side of the first transceiver 50 close to the first antenna 20, and the second antenna 30 is disposed on the side of the first transceiver 50 far from the first antenna 20. But the right hand second antenna 30 is disposed on the side of the first transceiver 50 adjacent the first antenna 20 and the second filtering circuit 42 is disposed on the side of the first transceiver 50 remote from the first antenna 20.
In this case, the first filter circuit 41 functions to isolate low frequencies from high frequencies, and the second filter circuit 42 functions to isolate high frequencies from low frequencies. In the left side of the second antenna 30, the high frequency signal generated by the first transceiver 50 directly reaches the ground after passing through the first filter circuit 41, and generates high frequency resonance, thereby realizing the function of the MIMO antenna, while the high frequency signal is isolated by the second filter circuit 42, and the function of the second antenna 30 for changing the directional diagram of the GNSS antenna is not affected. Meanwhile, signals with low frequency can pass through the second filter circuit 42, and the first filter circuit 41 plays a role of isolating low frequency without affecting the function of changing the radiation pattern of the GNSS antenna. Similarly, in the second antenna 30 on the right side, the high-frequency signal generated by the first transceiver 50 directly reaches the ground after passing through the first filter circuit 41, and generates high-frequency resonance, so that the function of the MIMO antenna is realized, and the high-frequency signal is isolated by the second filter circuit 42, so that the function of the second antenna 30 for changing the directional diagram of the GNSS antenna is not affected. Meanwhile, signals with low frequency can pass through the second filter circuit 42, and the first filter circuit 41 plays a role of isolating low frequency without affecting the function of changing the radiation pattern of the GNSS antenna. Therefore, on one hand, the directional diagram of the GNSS antenna is changed, the directional diagram of the GNSS antenna can face the sky, meanwhile, the function of the high-frequency MIMO antenna is achieved, the performance of the antenna and the communication capacity of a wireless communication system are improved, and the product competitiveness and the user experience are enhanced.
Optionally, the mobile terminal for wireless communication further includes:
at least one second transceiver 60; the first antenna 20 is connected to the system ground 10 via the second transceiver 60.
At this time, each first antenna 20 corresponds to one second transceiver 60, and the function of the first antenna 20 can be better realized by the function of the second transceiver 60.
Optionally, the mobile terminal for wireless communication further includes:
at least one matching circuit 70; the first antenna 20 is connected to the second transceiver 60 via the matching circuit 70.
At this time, each first antenna 20 corresponds to one second transceiver 60 and one matching circuit 70, and the function of the first antenna 20 can be better realized by the function of the first matching circuit 70.
Specifically, as shown in fig. 1 and 2, two first antennas 20 are disposed at the top end of the system ground 10. The first antenna 20 on the left side is connected to a first matching circuit 70 and a second transceiver 60 in turn and then grounded, and the first antenna 20 on the left side can cover the whole frequency band (including the 5G frequency band). The first antenna 20 on the right side is grounded after being sequentially connected with the first matching circuit 70 and the second transceiver 60, and the first antenna 20 on the right side can cover the GNSS/WIFI/BT/LTE high frequency band or the 5G sub-6GH frequency band.
According to the mobile terminal for wireless communication, the at least one second antenna 30 is added on the first side and/or the second side of the system ground 10, the second antenna 30 is connected to the ground, the current distribution on the public system ground is changed through the second antenna 30, and then the radiation pattern of the GNSS antenna is changed, so that the far-field radiation pattern of the GNSS antenna can face the sky, the quality of wireless communication is improved, and the user experience is optimized. The filter circuit 40 is arranged on the second antenna 30, and the second antenna 30 generates high-frequency resonance by means of the filter circuit 40, so that the second antenna 30 is multiplexed, the function of the MIMO antenna is realized, meanwhile, the function of the second antenna 30 for adjusting the GNSS antenna directional diagram is not influenced, the antenna performance and the communication capacity of the wireless communication system are further improved, and the user experience is optimized. And through effectively multiplexing the second antenna 30, make the same antenna assembly realize different functions, thus has reduced the quantity of the aerial, has saved the space of the complete machine effectively, has also reduced the cost of the complete machine, has strengthened the competitiveness of the products.
The mobile terminal for wireless communication in the embodiment of the invention can be applied to wireless communication design and application such as a Wireless Metropolitan Area Network (WMAN), a Wireless Wide Area Network (WWAN), a Wireless Local Area Network (WLAN), a Wireless Personal Area Network (WPAN), Multiple Input Multiple Output (MIMO), Radio Frequency Identification (RFID), even Near Field Communication (NFC), wireless charging (WPC) and the like.
The mobile terminal for wireless communication according to the embodiment of the present invention can be applied to the rule test and the actual design and application of the Compatibility with the electronic device to be worn, such as SAR (Specific absorption rate) and HAC (Hearing Aid Compatibility).
Fig. 3 is a schematic hardware configuration diagram of a mobile terminal for wireless communication according to various embodiments of the present invention. The mobile terminal 300 includes, but is not limited to: radio frequency unit 301, network module 302, audio output unit 303, input unit 304, sensor 305, display unit 306, user input unit 307, interface unit 308, memory 309, processor 310, and power supply 311. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 3 is not intended to be limiting of mobile terminals, and that a mobile terminal may include more or fewer components than shown, or some components may be combined, or a different arrangement of components. In the embodiment of the present invention, the mobile terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.
The mobile terminal 300 includes a system ground and at least one first antenna, where the first antenna is disposed at one end of the system ground, and further includes: at least one second antenna disposed on a first side and/or a second side of the system ground; the second antenna is connected with the system ground, a filter circuit is arranged on the second antenna, and the second antenna generates high-frequency resonance by means of the filter circuit.
According to the mobile terminal 300, at least one second antenna is added on the first side and/or the second side of the system ground, the second antenna is connected to the ground, the current distribution on the public system ground is changed through the second antenna, and then the radiation pattern of the GNSS antenna is changed, so that the far-field radiation pattern of the GNSS antenna can face the sky, the quality of wireless communication is improved, and the user experience is optimized. And the second antenna is provided with the filter circuit, and generates high-frequency resonance by virtue of the filter circuit, so that the second antenna is multiplexed, the function of the MIMO antenna is realized, and meanwhile, the function of the second antenna for adjusting the GNSS antenna directional diagram is not influenced, so that the antenna performance and the communication capacity (throughput) of the wireless communication system are improved, and the user experience is optimized. And through effectively multiplexing the second antenna, the same antenna device can realize different functions, thereby reducing the number of the antennas, effectively saving the space of the whole machine, reducing the cost of the whole machine and strengthening the competitiveness of the product.
Optionally, the method further includes: at least one first transceiver; the first end of the second antenna is connected with the system ground, and the second end of the second antenna is connected with the first transceiver through the filter circuit; a first end of the first transceiver is connected to the filter circuit and a second end of the first transceiver is connected to the system ground.
Optionally, the filter circuit includes a first filter circuit and a second filter circuit; the first filter circuit isolates low-frequency signals; the second filter circuit isolates high frequency signals.
Optionally, the second end of the second antenna is connected to the first transceiver through the first filter circuit, and the second end of the second antenna is connected to the second filter circuit.
Optionally, the second antenna and the second filter circuit are disposed on opposite sides of the first transceiver.
Optionally, the second filter circuit is disposed on a side of the first transceiver close to the first antenna, and the second antenna is disposed on a side of the first transceiver far from the first antenna; or the second antenna is arranged on one side of the first transceiver close to the first antenna, and the second filter circuit is arranged on one side of the first transceiver far away from the first antenna.
Optionally, the first filter circuit includes a capacitor; the second filter circuit includes an inductor.
Optionally, the method further includes: at least one second transceiver; the first antenna is connected to the system ground through the second transceiver.
Optionally, the method further includes: at least one matching circuit; the first antenna is connected to the second transceiver through the matching circuit.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 301 may be used for receiving and sending signals during a message sending and receiving process or a call process, and specifically, receives downlink data from a base station and then processes the received downlink data to the processor 310; in addition, the uplink data is transmitted to the base station. In general, radio frequency unit 301 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 301 can also communicate with a network and other devices through a wireless communication system.
The mobile terminal provides the user with wireless broadband internet access through the network module 302, such as helping the user send and receive e-mails, browse webpages, access streaming media, and the like.
The audio output unit 303 may convert audio data received by the radio frequency unit 301 or the network module 302 or stored in the memory 309 into an audio signal and output as sound. Also, the audio output unit 303 may also provide audio output related to a specific function performed by the mobile terminal 300 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 303 includes a speaker, a buzzer, a receiver, and the like.
The input unit 304 is used to receive audio or video signals. The input Unit 304 may include a Graphics Processing Unit (GPU) 3041 and a microphone 3042, and the Graphics processor 3041 processes image data of a still picture or video obtained by an image capturing apparatus (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 306. The image frames processed by the graphic processor 3041 may be stored in the memory 309 (or other storage medium) or transmitted via the radio frequency unit 301 or the network module 302. The microphone 3042 may receive sounds and may be capable of processing such sounds into audio data. The processed audio data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 301 in case of the phone call mode.
The mobile terminal 300 also includes at least one sensor 305, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that adjusts the brightness of the display panel 3061 according to the brightness of ambient light, and a proximity sensor that turns off the display panel 3061 and/or a backlight when the mobile terminal 300 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used to identify the posture of the mobile terminal (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), and vibration identification related functions (such as pedometer, tapping); the sensors 305 may also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc., which are not described in detail herein.
The display unit 306 is used to display information input by the user or information provided to the user. The Display unit 306 may include a Display panel 3061, and the Display panel 3061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 307 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 307 includes a touch panel 3071 and other input devices 3072. The touch panel 3071, also referred to as a touch screen, may collect touch operations by a user on or near the touch panel 3071 (e.g., operations by a user on or near the touch panel 3071 using a finger, a stylus, or any suitable object or attachment). The touch panel 3071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 310, and receives and executes commands sent by the processor 310. In addition, the touch panel 3071 may be implemented using various types, such as resistive, capacitive, infrared, and surface acoustic wave. The user input unit 307 may include other input devices 3072 in addition to the touch panel 3071. Specifically, the other input devices 3072 may include, but are not limited to, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described herein.
Further, the touch panel 3071 may be overlaid on the display panel 3061, and when the touch panel 3071 detects a touch operation on or near the touch panel, the touch operation is transmitted to the processor 310 to determine the type of the touch event, and then the processor 310 provides a corresponding visual output on the display panel 3061 according to the type of the touch event. Although the touch panel 3071 and the display panel 3061 are shown as two separate components in fig. 3 to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 3071 and the display panel 3061 may be integrated to implement the input and output functions of the mobile terminal, which is not limited herein.
The interface unit 308 is an interface through which an external device is connected to the mobile terminal 300. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 308 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 300 or may be used to transmit data between the mobile terminal 300 and external devices.
The memory 309 may be used to store software programs as well as various data. The memory 309 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 309 may include high speed random access memory, and may 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 processor 310 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 309 and calling data stored in the memory 309, thereby performing overall monitoring of the mobile terminal. Processor 310 may include one or more processing units; preferably, the processor 310 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 310.
The mobile terminal 300 may further include a power supply 311 (such as a battery) for supplying power to various components, and preferably, the power supply 311 may be logically connected to the processor 310 through a power management system, so as to implement functions of managing charging, discharging, and power consumption through the power management system.
In addition, the mobile terminal 300 includes some functional modules that are not shown, and thus, the detailed description thereof is omitted.
In the description of the present invention, it is to be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (8)

1. A mobile terminal for wireless communication, comprising a system ground (10) and at least one first antenna (20), said first antenna (20) being arranged at one end of said system ground (10), characterized in that it further comprises:
at least two second antennas (30), the second antennas (30) being disposed at a first side and a second side of the system ground (10);
the second antenna (30) is connected with the system ground (10), a filter circuit (40) is arranged on the second antenna (30), and the second antenna (30) generates high-frequency resonance by means of the filter circuit (40); the second antenna (30) is also used to change the current distribution on the system ground and the radiation pattern of the GNSS antenna;
at least two of the first antennas (20) are arranged at one end of the system ground (10);
the mobile terminal further includes: at least one first transceiver (50);
the filter circuit (40) comprises a first filter circuit (41) and a second filter circuit (42);
the second antenna (30) and the second filter circuit (42) are disposed on opposite sides of the first transceiver (50);
the second filter circuit (42) is disposed on a side of the first transceiver (50) proximate to the first antenna (20), and the second antenna (30) is disposed on a side of the first transceiver (50) distal from the first antenna (20).
2. The mobile terminal for wireless communication according to claim 1,
a first end of the second antenna (30) is connected to the system ground (10), a second end of the second antenna (30) is connected to the first transceiver (50) by means of the filter circuit (40);
a first terminal of the first transceiver (50) is connected to the filter circuit (40) and a second terminal of the first transceiver (50) is connected to the system ground (10).
3. The mobile terminal for wireless communication according to claim 2,
the first filter circuit (41) isolates low frequency signals;
the second filter circuit (42) isolates high frequency signals.
4. A mobile terminal for wireless communication according to claim 3, characterized in that the second terminal of the second antenna (30) is connected to the first transceiver (50) through the first filter circuit (41) and the second terminal of the second antenna (30) is connected to the second filter circuit (42).
5. The mobile terminal of claim 1, wherein the second antenna (30) is disposed on a side of the first transceiver (50) proximate to the first antenna (20), and wherein the second filtering circuit (42) is disposed on a side of the first transceiver (50) distal to the first antenna (20).
6. A mobile terminal for wireless communication according to claim 3, characterized in that said first filter circuit (41) comprises a capacitor; the second filter circuit (42) includes an inductance.
7. The mobile terminal of claim 1, further comprising:
at least one second transceiver (60);
the first antenna (20) is connected to the system ground (10) via the second transceiver (60).
8. The mobile terminal of claim 7, further comprising:
at least one matching circuit (70);
the first antenna (20) is connected to the second transceiver (60) via the matching circuit (70).
CN201711449668.4A 2017-12-27 2017-12-27 Mobile terminal for wireless communication Active CN108155457B (en)

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PCT/CN2018/123852 WO2019129043A1 (en) 2017-12-27 2018-12-26 Mobile terminal having enhanced wireless communication performance

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Publication number Priority date Publication date Assignee Title
CN108155457B (en) * 2017-12-27 2020-04-03 维沃移动通信有限公司 Mobile terminal for wireless communication
CN110661087A (en) * 2019-10-17 2020-01-07 广东天之河信息技术有限公司 Antenna device and mobile payment terminal
US20220397680A1 (en) * 2021-06-11 2022-12-15 Robotic Research Opco, Llc Systems and methods for selective global navigation satellite system (gnss) navigation

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101938032A (en) * 2009-07-01 2011-01-05 联想(北京)有限公司 Miniature antenna of laptop and mobile electric apparatus
CN103326131A (en) * 2012-03-19 2013-09-25 富士通株式会社 Antenna device, electronic apparatus, and wireless communication method
CN103545610A (en) * 2012-07-11 2014-01-29 启碁科技股份有限公司 Broadband antenna and wireless communication device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103490176A (en) * 2013-09-17 2014-01-01 西安电子科技大学 Four-antenna diversity system applied to mobile phone
CN105811123A (en) * 2014-12-31 2016-07-27 联想(北京)有限公司 Antenna system and electronic device
CN106450752B (en) * 2016-08-30 2020-02-18 电子科技大学 MIMO antenna for realizing high isolation of smart phone
CN108155457B (en) * 2017-12-27 2020-04-03 维沃移动通信有限公司 Mobile terminal for wireless communication

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101938032A (en) * 2009-07-01 2011-01-05 联想(北京)有限公司 Miniature antenna of laptop and mobile electric apparatus
CN103326131A (en) * 2012-03-19 2013-09-25 富士通株式会社 Antenna device, electronic apparatus, and wireless communication method
CN103545610A (en) * 2012-07-11 2014-01-29 启碁科技股份有限公司 Broadband antenna and wireless communication device

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