CN103490802A - Control device of radio-frequency signal output power and terminal device - Google Patents
Control device of radio-frequency signal output power and terminal device Download PDFInfo
- Publication number
- CN103490802A CN103490802A CN201310412977.XA CN201310412977A CN103490802A CN 103490802 A CN103490802 A CN 103490802A CN 201310412977 A CN201310412977 A CN 201310412977A CN 103490802 A CN103490802 A CN 103490802A
- Authority
- CN
- China
- Prior art keywords
- selector switch
- switch module
- output
- signal
- input
- 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.)
- Pending
Links
Images
Abstract
The invention discloses a control device of radio-frequency signal output power. The control device is used for enlarging emission power in remote communication, guaranteeing normal operation of a system and reducing the bit error rate of a receiving end of the system. The control device comprises a first power amplifier, a second power amplifier, a first selective switch module and a second selective switch module. An output circuit of the selective switch in the device is controlled through input of logic signals, and therefore the radio-frequency signal output power is controlled, and different output powers are provided for the system under different conditions. The emission power is enlarged in remote communication, the normal operation of the system is guaranteed, and meanwhile the bit error rate of the receiving end of the system is lowered. The control device is simple in structure, easy to achieve, and capable of accurately controlling conversion of the output power. The invention further discloses a terminal device for achieving the control device.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of control device and terminal equipment of radiofrequency signal power output.
Background technology
The development of wireless communication technique, make the application of wireless telecommunications system more carry out RF (RadioFrequency, radio frequency) refer to the frequency electromagnetic waves with long-distance transmissions ability, expression can be radiated the electromagnetic frequency in space, and radio-frequency technique is widely used in field of wireless communication.
In modern wireless communication systems, radio-frequency power amplifier is the critical component of realizing the radiofrequency signal wireless transmission, and power control chip is the important component part of radio frequency power amplification modules.The major function of power control circuit is the power output of power ratio control amplifier.
But current its radio frequency power output of a lot of wireless telecommunications systems is less, signal has decay in the spatial history, and when transmitting range is far away, the error rate of receiving terminal increases like this, thereby finally causes the decline of equipment performance.
Therefore, need at present the urgent technical problem solved of those skilled in the art to be exactly: how effectively to control radio frequency power output, less and affect the problem of equipment performance to solve current transmitting power.
Summary of the invention
The embodiment of the present invention provides a kind of control device of radiofrequency signal power output, for realizing in telecommunication, increases transmitting power, in the time of the normal operation of assurance system, reduces the error rate of system receiving terminal.
The control device of the present embodiment radiofrequency signal power output, by the outlet line of selector switch in the input logic signal control device, and then control the size of described radiofrequency signal power output, take in the situation that differently provide different power outputs as system.In telecommunication, increase transmitting power, in the time of the normal operation of assurance system, reduce the error rate of system receiving terminal.And apparatus structure is simple, realize easily can controlling comparatively exactly the conversion of power output.
A kind of control device of radiofrequency signal power comprises:
The first power amplifier, the second power amplifier, the first selector switch module and the second selector switch module.
Wherein, preferred, the input of the first power amplifier is connected with the wireless signal line, and output is connected with the input of the first selector switch module;
The first control end of the first selector switch module is connected with the first input/output port, the second control end is connected with the second input/output port, the first output directly connects the first input end of the second selector switch module, and the second output connects an end of the second power amplifier;
The other end of the second power amplifier connects the second input of the second selector switch module;
The first control end of the second selector switch module is connected with the 3rd input/output port, and the second control end is connected with the 4th input/output port, and output is connected with wireless output signal line;
The first control end of the first selector switch module receives secondary signal, when the second control end of the first selector switch module receives first signal, wireless signal is selected the second output that output is the first selector switch, and signal is exported through the second power amplifier.
Wherein, preferred, when the second control end that the first control end of the first selector switch module receives first signal, the first selector switch module receives secondary signal, wireless signal is selected the first output that output is the first selector switch.
Wherein, preferably, when the second control end that the first control end of the second selector switch module receives first signal, the second selector switch module receives secondary signal, wireless output signal selection output is the circuit directly be connected by the first input end of the first output of the first selector switch module and the second selector switch module.
Wherein, preferably, the first control end of the second selector switch module receives secondary signal, when the second control end of the second selector switch module receives first signal, wireless output signal selection output is by the first output of the first selector switch module and the circuit be connected with the second input of the second selector switch module again after the second power amplifier is connected.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, or understand by implementing the present invention.Purpose of the present invention and other advantage can realize and obtain by specifically noted structure in the specification write, claims and accompanying drawing.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
The accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms the part of specification, for explaining the present invention, is not construed as limiting the invention together with embodiments of the present invention.In the accompanying drawings:
The structural representation that Fig. 1 is the control device of radiofrequency signal power output in the embodiment of the present invention;
Another structural representation of the control device that Fig. 2 is radiofrequency signal power output in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
Under different scenes, antenna has requirement to transmitting power, for example, when communication distance is far away, needs to increase transmitting power, when communication distance is nearer, in order to economize on resources and power consumption, need to reduce transmitting power.Therefore by following two embodiment, the specific works principle that illustrates the control device of radiofrequency signal power output of the present invention describes.
As shown in Figure 1, the embodiment of the present invention provides a kind of control device of radiofrequency signal power, comprising:
The first power amplifier, the second power amplifier, the first selector switch module and the second selector switch module.
Wherein, preferred, the input of the first power amplifier is connected with the wireless signal line, and output is connected with the input of the first selector switch module;
The first control end of the first selector switch module is connected with the first input/output port, the second control end is connected with the second input/output port, the first output directly connects the first input end of the second selector switch module, and the second output connects an end of the second power amplifier;
The other end of the second power amplifier connects the second input of the second selector switch module;
The first control end of the second selector switch module is connected with the 3rd input/output port, and the second control end is connected with the 4th input/output port, and output is connected with wireless output signal line;
The first control end of the first selector switch module receives secondary signal, when the second control end of the first selector switch module receives first signal, wireless signal is selected the second output that output is the first selector switch, and signal is exported through the second power amplifier.
Wherein, preferred, when the second control end that the first control end of the first selector switch module receives first signal, the first selector switch module receives secondary signal, wireless signal is selected the first output that output is the first selector switch.
Wherein, preferably, when the second control end that the first control end of the second selector switch module receives first signal, the second selector switch module receives secondary signal, wireless output signal selection output is the circuit directly be connected by the first input end of the first output of the first selector switch module and the second selector switch module.
Wherein, preferably, the first control end of the second selector switch module receives secondary signal, when the second control end of the second selector switch module receives first signal, wireless output signal selection output is by the first output of the first selector switch module and the circuit be connected with the second input of the second selector switch module again after the second power amplifier is connected.
Above process can be understood shown in figure 2, a kind of preferred structure schematic diagram that Fig. 2 is above-mentioned control device, in figure, GPIO_SEL_1 is that the first input/output port, GPIO_SEL_2 are that the second input/output port, GPIO_SEL_3 are that the 3rd input/output port, GPIO_SEL_4 are the 4th input/output port;
WIFI is that wireless signal, WIFI_OUT are wireless output signal;
The first selector switch module is SWITCH_1, and wherein, the first control end is ANT1, and the second control end is ANT2, and input is ANT, the first output RF1, the second output RF2;
The second selector switch module is SWITCH_2, and wherein, first input end is RF1, and the second input is RF2, and the first control end is ANT1, and the second control end is ANT2, and output is ANT.
In the embodiment of the present invention, power output can be selected two circuit outputs: directly export and, through the second power amplifier output, when the communication distance of terminal equipment is nearer, directly export; When the communication distance of terminal equipment is far away, power output is exported through the second power amplifier.
It is 0 or 1 that logic control signal is set, and by controlling two control ends of selector switch, selects power output directly to export or export through the second power amplifier.
Embodiment mono-
In the present embodiment, the logic control signal that the logic control signal that can control the first control end of the first selector switch module is secondary signal, the second control end is first signal; The logic control signal that the logic control signal of the first control end of the second selector switch module is secondary signal, the second control end is first signal.
As shown in Figure 2, wireless signal is exported to the first selector switch module through the first power amplifier, when first signal is 1, secondary signal is 0 o'clock, it is the second output that the first selector switch module is selected output, signal is exported to the second selector switch module through the second power amplifier, signal is by the second input input of the second selector switch module, the control end of the second selector switch module is that the first control end receives the 0, second control end and receives 1, and therefore the second selector switch module is selected the signal output of the second input.
Be that wireless signal is exported through the second power amplifier.For example, in by train, when mobile phone is far away apart from base station, can increase the power output of radiofrequency signal, reduce like this error rate of system receiving terminal, the system that guaranteed is normally moved, and has improved the performance of equipment.
Embodiment bis-
In the present embodiment, the logic control signal that the logic control signal that can control the first control end of the first selector switch module is first signal, the second control end is secondary signal; The logic control signal that the logic control signal of the first control end of the second selector switch module is first signal, the second control end is secondary signal.
As shown in Figure 2, wireless signal is exported to the first selector switch module through the first power amplifier, when first signal is 0, secondary signal is 1 o'clock, it is the first output that the first selector switch module is selected output, signal is directly exported to the second selector switch module by the first output of the first selector switch module, signal is by the first input end input of the second selector switch module, the control end of the second selector switch module is that the first control end receives the 1, second control end and receives 0, and therefore the second selector switch module is selected the signal output of first input end.
Be that wireless signal is not directly exported through amplification for the second time, like this, equipment can freely be selected the power output of radiofrequency signal, and resource and power consumption have been saved in the flexibility that has improved equipment, have improved the performance of equipment.
The control device of the radiofrequency signal power output of the present embodiment, by the outlet line of selector switch in the input logic signal control device, and then control the size of described radiofrequency signal power output, take in the situation that differently provide different power outputs as system.In telecommunication, increase transmitting power, in the time of the normal operation of assurance system, reduce the error rate of system receiving terminal.And apparatus structure is simple, realize easily can controlling comparatively exactly the conversion of power output.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, implement software example or in conjunction with the form of the embodiment of software and hardware aspect fully.And the present invention can adopt the form that wherein includes the upper computer program of implementing of computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) of computer usable program code one or more.
The present invention describes with reference to flow chart and/or the block diagram of method, equipment (system) and computer program according to the embodiment of the present invention.Should understand can be in computer program instructions realization flow figure and/or block diagram each flow process and/or the flow process in square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce for realizing the device in the function of flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction be stored in this computer-readable memory produce the manufacture that comprises command device, this command device is realized the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make and carry out the sequence of operations step to produce computer implemented processing on computer or other programmable device, thereby the instruction of carrying out on computer or other programmable device is provided for realizing the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention also is intended to comprise these changes and modification interior.
Claims (5)
1. the control device of a radiofrequency signal power output, is characterized in that, comprising:
The first power amplifier, the second power amplifier, the first selector switch module and the second selector switch module, wherein:
The input of the first power amplifier is connected with the wireless signal line, and output is connected with the input of the first selector switch module;
The first control end of the first selector switch module is connected with the first input/output port, the second control end is connected with the second input/output port, the first output directly connects the first input end of the second selector switch module, and the second output connects an end of the second power amplifier;
The other end of the second power amplifier connects the second input of the second selector switch module;
The first control end of the second selector switch module is connected with the 3rd input/output port, and the second control end is connected with the 4th input/output port, and output is connected with wireless output signal line;
The first control end of the first selector switch module receives secondary signal, when the second control end of the first selector switch module receives first signal, wireless signal is selected the second output that output is the first selector switch, and signal is exported through the second power amplifier.
2. control device as claimed in claim 1, it is characterized in that, when the second control end that the first control end of the first selector switch module receives first signal, the first selector switch module receives secondary signal, wireless signal is selected the first output that output is the first selector switch.
3. control device as claimed in claim 1, it is characterized in that, when the second control end that the first control end of the second selector switch module receives first signal, the second selector switch module receives secondary signal, wireless output signal selection output is the circuit directly be connected by the first input end of the first output of the first selector switch module and the second selector switch module.
4. control device as claimed in claim 1, it is characterized in that, the first control end of the second selector switch module receives secondary signal, when the second control end of the second selector switch module receives first signal, wireless output signal selection output is by the first output of the first selector switch module and the circuit be connected with the second input of the second selector switch module again after the second power amplifier is connected.
5. a terminal equipment, is characterized in that, comprises the described control device of any one in claim 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310412977.XA CN103490802A (en) | 2013-09-11 | 2013-09-11 | Control device of radio-frequency signal output power and terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310412977.XA CN103490802A (en) | 2013-09-11 | 2013-09-11 | Control device of radio-frequency signal output power and terminal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103490802A true CN103490802A (en) | 2014-01-01 |
Family
ID=49830792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310412977.XA Pending CN103490802A (en) | 2013-09-11 | 2013-09-11 | Control device of radio-frequency signal output power and terminal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103490802A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017166216A1 (en) * | 2016-03-31 | 2017-10-05 | 宽兆科技(深圳)有限公司 | Circuit capable of extending dynamic range of radio-frequency output power of 5.8 ghz frequency band |
| CN107357350A (en) * | 2017-06-27 | 2017-11-17 | 浙江大学 | Improve the acousto-optic modulator drive system of acousto-optic modulator fuel factor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5371478A (en) * | 1989-12-05 | 1994-12-06 | Nec Corporation | Power amplifying unit using a power amplifying module |
| CN1154610A (en) * | 1995-11-24 | 1997-07-16 | 松下电器产业株式会社 | Transmitter power varying device having bypass line for power amplifier |
| CN101170330A (en) * | 2007-11-15 | 2008-04-30 | 中兴通讯股份有限公司 | RF power amplification bypass system and its method |
| US20090285329A1 (en) * | 2007-01-12 | 2009-11-19 | Matsushita Electric Industrial Co., Ltd. | Transmission power control method and transmission apparatus |
| CN101860371A (en) * | 2010-06-02 | 2010-10-13 | 惠州Tcl移动通信有限公司 | Wireless transmitting device and wireless terminal |
| CN203445876U (en) * | 2013-09-11 | 2014-02-19 | 天脉聚源(北京)传媒科技有限公司 | Radio frequency signal output power control device and terminal equipment |
-
2013
- 2013-09-11 CN CN201310412977.XA patent/CN103490802A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5371478A (en) * | 1989-12-05 | 1994-12-06 | Nec Corporation | Power amplifying unit using a power amplifying module |
| CN1154610A (en) * | 1995-11-24 | 1997-07-16 | 松下电器产业株式会社 | Transmitter power varying device having bypass line for power amplifier |
| US20090285329A1 (en) * | 2007-01-12 | 2009-11-19 | Matsushita Electric Industrial Co., Ltd. | Transmission power control method and transmission apparatus |
| CN101170330A (en) * | 2007-11-15 | 2008-04-30 | 中兴通讯股份有限公司 | RF power amplification bypass system and its method |
| CN101860371A (en) * | 2010-06-02 | 2010-10-13 | 惠州Tcl移动通信有限公司 | Wireless transmitting device and wireless terminal |
| CN203445876U (en) * | 2013-09-11 | 2014-02-19 | 天脉聚源(北京)传媒科技有限公司 | Radio frequency signal output power control device and terminal equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017166216A1 (en) * | 2016-03-31 | 2017-10-05 | 宽兆科技(深圳)有限公司 | Circuit capable of extending dynamic range of radio-frequency output power of 5.8 ghz frequency band |
| CN107357350A (en) * | 2017-06-27 | 2017-11-17 | 浙江大学 | Improve the acousto-optic modulator drive system of acousto-optic modulator fuel factor |
| CN107357350B (en) * | 2017-06-27 | 2018-10-12 | 浙江大学 | Improve the acousto-optic modulator drive system of acousto-optic modulator fuel factor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2928086B1 (en) | Mobile terminal and specific absorption rate reduction method | |
| CN104247149A (en) | Devices for switching antenna | |
| CN104270166B (en) | Receive and dispatch the wireless communication apparatus of heterogeneous radiofrequency signal | |
| CN103414507A (en) | Mobile terminal and method and device for switching antennas of mobile terminal | |
| CN104955080A (en) | Mobile terminal work mode control method and device as well as mobile terminal | |
| CN102622643B (en) | A kind of safe digital card by wireless network transmissions data | |
| CN105357728A (en) | Network type switching method, device and mobile terminal | |
| EP3902062A1 (en) | Antenna system, mobile terminal, and antenna system switching method | |
| CN105763288A (en) | Multi-user coding mode configuring and determining method and equipment based on code superposing | |
| CN104577332A (en) | Full-closed loop automatic tuning control device and method for improving stray isolation degree between antennas | |
| CN203445876U (en) | Radio frequency signal output power control device and terminal equipment | |
| CN103490802A (en) | Control device of radio-frequency signal output power and terminal device | |
| CN102404038A (en) | Control method, equipment and terminal for receiving diversity antenna system | |
| CN110958562B (en) | Modulation mode selection method, near field communication device and storage medium | |
| CN203492024U (en) | Radiofrequency signal output power controlling device and terminal equipment | |
| CN205230318U (en) | Radio station wireless remote controller and system | |
| CN104348504A (en) | Radiofrequency circuit and electronic equipment | |
| CN103391260A (en) | Method for reducing wireless interference and wireless terminal | |
| CN110739989A (en) | 5G backhaul device and communication method thereof, network topology system and communication method thereof | |
| CN105813125A (en) | Method used for voice service used of user equipment, use equipment and device | |
| CN107770799A (en) | Configure radio frequency and method, apparatus, equipment and the medium of baseband interface transmission channel | |
| CN103490803A (en) | Control device of radio-frequency signal output power and terminal device | |
| CN105490697A (en) | Electronic equipment and information processing method | |
| US9065522B2 (en) | Radio frequency front-end module, and radio access network device and control method | |
| CN110417422B (en) | Communication control method, communication control circuit and related device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140101 |