CN109286705A - A kind of terminal device - Google Patents
A kind of terminal device Download PDFInfo
- Publication number
- CN109286705A CN109286705A CN201811157790.9A CN201811157790A CN109286705A CN 109286705 A CN109286705 A CN 109286705A CN 201811157790 A CN201811157790 A CN 201811157790A CN 109286705 A CN109286705 A CN 109286705A
- Authority
- CN
- China
- Prior art keywords
- radiator
- terminal device
- radio frequency
- power
- transceiver
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0408—Circuits with power amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Transceivers (AREA)
Abstract
The present invention provides a kind of terminal device, comprising: is set to the first radiator of the first side of the terminal device；It is set to second radiator of second side of the terminal device, wherein first side and described second side are the opposite two sides of the terminal device；RF transceiver, for generating and exporting radiofrequency signal；Power splitter, the radiofrequency signal for exporting the RF transceiver splits into the first radio frequency subsignal and the second radio frequency subsignal, and the first radio frequency subsignal is transferred to first radiator by the first transmission channel, the second radio frequency subsignal is transferred to second radiator by the second transmission channel.In this way by the radiant power of dispersion radiofrequency signal, the radiofrequency signal of the first radiator and/or the radiation of the second radiator can be reduced to the radiation effect of human body, and achieve the purpose that reduce human body SAR value.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of terminal devices.
Background technique
It improves, for the communication requirement for meeting the terminal devices such as mobile phone, is generally designed using double antenna with the development of technology
Scheme, including the upper antenna and lower antenna being set on the shell of terminal device, wherein upper antenna is set to the top of shell,
Lower antenna is set to the bottom of shell.However, during using terminal equipment realizes certain communication functions, such as in phone
In communication process, the upper antenna positioned at case top is close to the number of people, so that head specific absorption rate (Specific
Absorption Rate, SAR) value is higher, and then harmful to human safety.
Currently, generally by the conducted power for reducing antenna, or directly by the antenna efficiency tune of the exceeded frequency range of SAR value
Difference, it is poor so as to cause the radiance of antenna to reduce SAR value, bring bad signal to experience to user.
Summary of the invention
The embodiment of the present invention provides a kind of terminal device, to solve the problems, such as that antenna is poor close to human body radiation performance.
The embodiment of the invention provides a kind of terminal devices, comprising:
It is set to the first radiator of the first side of the terminal device；
It is set to second radiator of second side of the terminal device, wherein first side and described second side are
The opposite two sides of the terminal device；
RF transceiver, for generating and exporting radiofrequency signal；
Power splitter, the radiofrequency signal for exporting the RF transceiver split into the first radio frequency subsignal and
Two radio frequency subsignals, and the first radio frequency subsignal is transferred to first radiator by the first transmission channel, by institute
It states the second radio frequency subsignal and second radiator is transferred to by the second transmission channel.
In this way, being split into the embodiment of the present invention by the radiofrequency signal that RF transceiver is generated and exported by power splitter
First radio frequency subsignal and the second radio frequency subsignal, and the first radio frequency subsignal is transferred to the first radiator respectively, second is penetrated
Frequency subsignal is transferred to the second radiator, so that the first radiator and the second radiator can radiate corresponding radio frequency letter simultaneously
Number, to disperse the radiant power of radiofrequency signal, and then reduce the radiofrequency signal pair of the first radiator and/or the radiation of the second radiator
The radiation effect of human body, and achieve the purpose that reduce human body SAR value.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention
Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention,
For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is one of the structural block diagram of aerial signal control program provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of terminal device provided in an embodiment of the present invention；
Fig. 3 is the two of the structural block diagram of aerial signal control program provided in an embodiment of the present invention；
Fig. 4 is the structure chart of terminal device provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
As depicted in figs. 1 and 2, the embodiment of the present invention provides a kind of terminal device, comprising:
It is set to the first radiator 10 of the first side of the terminal device；
It is set to second radiator 20 of second side of the terminal device, wherein first side and described second side
For the opposite two sides of the terminal device；
RF transceiver 30, for generating and exporting radiofrequency signal；
Power splitter 40, the radiofrequency signal for exporting the RF transceiver 30 split into the first radio frequency subsignal
With the second radio frequency subsignal, and the first radio frequency subsignal is transferred to described first by the first transmission channel (not shown)
The second radio frequency subsignal is transferred to second radiator 20 by the second transmission channel (not shown) by radiator 10.
In present embodiment, RF transceiver 30 is generated by power splitter 40 and the radiofrequency signal exported splits into first
Radio frequency subsignal and the second radio frequency subsignal, and the first radio frequency subsignal is transferred to first positioned at terminal device one end respectively
Radiator 10, the second radio frequency subsignal are transferred to the second radiator 20 positioned at the terminal device other end, so that the first radiator
10 and second radiator 20 can radiate corresponding radio frequency subsignal simultaneously, to disperse the radiant power of radiofrequency signal, and then drop
Low first radiator 10 and/or the radiofrequency signal of the second radiator 20 radiation reach reduction human body to the radiation effect of human body
The purpose of SAR value.
Moreover, by the way that the first radio frequency subsignal to be radiate by the first radiator 10, and the second radio frequency is believed
It number is radiate by the second radiator 20, directly passes through the relative to the radiofrequency signal that RF transceiver 30 is generated and exported
Perhaps the second radiator 20 radiate 20 spoke of the first radiator 10 or the second radiator can be effectively reduced one radiator 10
The radiofrequency signal penetrated is to the radiation effect close to the first radiator 10 or the human body of the second radiator 20, so that reaching reduces people
The purpose of body SAR value.
Further, by the first radiator 10 and the second radiator 20 that work at the same time, that is, pass through the first radiator 10
The first radio frequency subsignal is radiated, and the second radio frequency subsignal is radiated by the second radiator 20, relative to directly by first
The radiofrequency signal that radiator 10 or 20 radiated radio frequency (RF) transceiver 30 of the second radiator are generated and exported, the global radiation of terminal device
Power is constant；So as to reach in the case where reducing human body SAR value, the performance of entire terminal device ensure that.Relative to
In the prior art, the output of radiofrequency signal is reduced by the power for the radiofrequency signal for reducing the generation of RF transceiver 30 and exporting
Power can influence the use of user to be reduced to minimum.
Wherein, in the present embodiment, power splitter 40 is preferably two power splitters, thus by formation is split through power splitter 40
The power of first radio frequency subsignal and the second radio frequency subsignal is identical, in this way when the radiator of terminal device side is blocked or
The radiofrequency signal of covering, the radiator radiation for not being blocked or covering can satisfy the use demand of terminal device.
Wherein, the first end in terminal device can be set in the first radiator 10, and the second radiator 20 can be set in end
Relative to the second end of first end in end equipment, i.e. the first radiator 10 and the second radiator 20 can be set in terminal device phase
Pair two sides.
For example, the first radiator 10 can be set at the top of mobile phone, and the second radiator when terminal device is mobile phone
20 can be set in the bottom of mobile phone.
It, can be in this way, and spacing distance is sufficiently large by by the first radiator 10 and the setting of the second radiator 20 interval
Guarantee that the radiofrequency signal of the first radiator 10 and the radiation of the second radiator 20 does not have overlapping to a certain extent, and then guarantees eventually
The overall performance of end equipment.
As shown in figure 3, terminal device further include: the first combiner being set in first transmission channel, 50 are used for
The first radio frequency subsignal is transferred to first radiator 10 in up direction, is radiated in down direction by described first
The signal that body 10 receives is transferred to the first receiving port 31 of the RF transceiver 30；It is set to second transmission channel
In the second combiner 60, for the second radio frequency subsignal to be transferred to second radiator 20 in up direction,
The signal that second radiator 20 receives is transferred to the second receiving port 32 of the RF transceiver by down direction.
In present embodiment, by the first combiner 50 and the second combiner 60, can by the radiofrequency signal of input and output,
It is connected with a feeder line with corresponding radiator, to achieve the purpose that save feeder line, but also is avoided that asking for switching antenna
Topic.
As shown in figure 3, the first radio frequency subsignal can will be transferred to first in up direction by the first combiner 50
The signal that first radiator 10 receives is transferred to the first receiving port of RF transceiver 30 in down direction by radiator 10
31；The second radio frequency subsignal can will be transferred to the second radiator 20 in up direction by the second combiner 60, in downlink
The signal that second radiator 20 receives is transferred to the second receiving port 32 of RF transceiver by direction.
Further, the first RF switch 70 can also be set in the first transmission channel, the first radio frequency may be implemented
Signal switches between reception and transmitting, can also adjust the band limits of the first radio frequency subsignal；In the present embodiment, institute
The first end for stating the first RF switch 70 is connect with the first end of first combiner 50, and the of first RF switch 70
Two ends are connect with first radiator 10, wherein first combiner 50 further include with it is the first of the power splitter 40 defeated
The second end of outlet connection and the third end being connect with first receiving port 31.
Similarly, the second RF switch 80 can also be set in the second transmission channel, the second radio frequency subsignal may be implemented
Switch between reception and transmitting, the band limits of the second radio frequency subsignal can also be adjusted；In the present embodiment, described
The first end of two RF switches 80 is connect with the first end of second combiner 60, the second end of second RF switch 80
It is connect with second radiator 20, wherein second combiner 60 further includes the second output terminal with the power splitter 40
The second end of connection and the third end being connect with second receiving port 32.
As shown in Figures 1 to 4, terminal device 400 can also include inspection unit 401 and control unit 402, in which:
Detection unit 401, for detecting 20 mid-range objectives human body of first radiator 10 and second radiator
The farther away radiator in position, and it is determined as target emanation body；It can specifically be connect by the first radiator of detection and the second radiator
The intensity of the collection of letters number determines the target emanation body in the two far from human body.
Control unit 402, for controlling the function point ratio of the power splitter 40, so that radio frequency of the target emanation body
The power of signal is greater than the power of the radio frequency subsignal except other external radiators of the target emanation.
It, can be according to by detecting the first radiator 10 and 20 relative target human body portion of the second radiator in present embodiment
The distance of position (positions such as ear, face), to determine target emanation body, the i.e. farther away radiator of distance objective human body, from
And reducing aerial radiation influences the SAR value of human body.Meanwhile the working performance to guarantee radiator, power splitter 40 can be passed through
Corresponding power sharing ratio is distributed to target emanation body.For example, can by the power of the radio frequency subsignal of target emanation body and
The ratio of the power of the radio frequency subsignal of other radiators is set as 7:3 or 6:4 etc..Wherein, function divides the setting of ratio, can be with
It is set according to actual use demand, as long as being able to satisfy the use demand of terminal device, and aerial radiation can be reduced to human body
SAR value influence.
Wherein, terminal device can also include double-pole double-throw switch 90, with controlling terminal equipment in the first connection status
And second switch between connection status；In the first connection status, the second end of the first RF switch 70 and the first radiator 10 connect
It connects, the second end of the second RF switch 80 is connect with the second radiator 20；In the second connection status, the of the first RF switch 70
Two ends are connect with the second radiator 20, and the second end of the second RF switch 80 is connect with the first radiator 10.
In this way, through 10 controlling terminal equipment of double-pole double-throw switch between the first connection status and the second connection status
Switching, so that terminal device be allow to work under more preferably environment, meets the use demand of user.For example, when the first radiation
When body 10 is blocked, then double-point double-throw switch 90 can be switched to the second connection status, i.e., by the of the first RF switch 70
Two ends are connect with the second radiator 20, and the second end of the second RF switch 80 is connect with the first radiator 10, to guarantee that terminal is set
The radiation function of the second standby radiator 20；It similarly, then can be by double-point double-throw switch 90 when the second radiator 20 is blocked
The second connection status is switched to, i.e., is connect the second end of the first RF switch 70 with the first radiator 10, the second RF switch
80 second end is connect with the second radiator 20, to guarantee the radiation function of the first radiator 10 of terminal device.
Wherein, the terminal device further includes the power amplifier 91 for amplifying the radiofrequency signal, and the power is put
The input terminal of big device 91 is connect with the RF transceiver 30, the first end of the power amplifier 91 and the RF transceiver
30 output port connection, the second end of the power amplifier 91 are connect with the input terminal of the power splitter 40.In this way, passing through
The radiofrequency signal amplification that RF transceiver 30 is generated and exported by power amplifier 100, RF transceiver 30 is generated and is exported
Radiofrequency signal can satisfy the use demand of terminal device.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (7)
1. a kind of terminal device characterized by comprising
It is set to the first radiator of the first side of the terminal device；
It is set to second radiator of second side of the terminal device, wherein first side and described second side are described
The opposite two sides of terminal device；
RF transceiver, for generating and exporting radiofrequency signal；
Power splitter, the radiofrequency signal for exporting the RF transceiver split into the first radio frequency subsignal and second and penetrate
Frequency subsignal, and the first radio frequency subsignal is transferred to first radiator by the first transmission channel, by described
Two radio frequency subsignals are transferred to second radiator by the second transmission channel.
2. terminal device according to claim 1, which is characterized in that the terminal device further include:
The first combiner being set in first transmission channel, for passing the first radio frequency subsignal in up direction
It is defeated to arrive first radiator, the signal that first radiator receives is transferred to the RF transceiver in down direction
The first receiving port；
The second combiner being set in second transmission channel, for passing the second radio frequency subsignal in up direction
It is defeated to arrive second radiator, the signal that second radiator receives is transferred to the RF transceiver in down direction
The second receiving port.
3. terminal device according to claim 2, which is characterized in that the terminal device further include:
The first RF switch being set in first transmission channel, the first end of first RF switch and described first
The first end of combiner connects, and the second end of first RF switch is connect with first radiator, wherein described first
Combiner further includes the second end connecting with the first output end of the power splitter and connect with first receiving port
Third end；
The second RF switch being set in second transmission channel, the first end of second RF switch and described second
The first end of combiner connects, and the second end of second RF switch is connect with second radiator, wherein described second
Combiner further includes the second end connecting with the second output terminal of the power splitter and connect with second receiving port
Third end.
4. terminal device according to claim 1, which is characterized in that the terminal device further include:
Detection unit, for detecting first radiator and the farther away spoke of the second radiator mid-range objectives human body
Beam, and it is determined as target emanation body；
Control unit, for controlling the function point ratio of the power splitter, so that the function of the radio frequency subsignal of the target emanation body
Rate is greater than the power of the radio frequency subsignal except other external radiators of the target emanation.
5. terminal device according to any one of claim 1 to 4, which is characterized in that the terminal device further includes using
In the power amplifier for amplifying the radiofrequency signal, the output end of the first end of the power amplifier and the RF transceiver
Mouth connection, the second end of the power amplifier are connect with the input terminal of the power splitter.
6. terminal device according to any one of claim 1 to 4, which is characterized in that first side is the terminal
The top of equipment, described second side are the bottom of the terminal device.
7. terminal device according to any one of claim 1 to 4, which is characterized in that the power splitter is two power splitters,
And it is identical with the power of the second radio frequency subsignal that the first radio frequency subsignal to be formed is split through the power splitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811157790.9A CN109286705A (en) | 2018-09-30 | 2018-09-30 | A kind of terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811157790.9A CN109286705A (en) | 2018-09-30 | 2018-09-30 | A kind of terminal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109286705A true CN109286705A (en) | 2019-01-29 |
Family
ID=65182594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811157790.9A Pending CN109286705A (en) | 2018-09-30 | 2018-09-30 | A kind of terminal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109286705A (en) |
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| WO2021259255A1 (en) * | 2020-06-22 | 2021-12-30 | 深圳市万普拉斯科技有限公司 | Method for controlling antenna power of mobile terminal and mobile terminal |
| CN114978207A (en) * | 2022-05-23 | 2022-08-30 | 维沃移动通信有限公司 | Antenna tuning method and electronic device |
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Application publication date: 20190129 |
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