CN106877914A - Antenna switching system based on power and signal intensity detection - Google Patents

Antenna switching system based on power and signal intensity detection Download PDF

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Publication number
CN106877914A
CN106877914A CN201710124823.9A CN201710124823A CN106877914A CN 106877914 A CN106877914 A CN 106877914A CN 201710124823 A CN201710124823 A CN 201710124823A CN 106877914 A CN106877914 A CN 106877914A
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CN
China
Prior art keywords
antenna
power
communication
double
described
Prior art date
Application number
CN201710124823.9A
Other languages
Chinese (zh)
Inventor
刘红星
Original Assignee
深圳天珑无线科技有限公司
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Priority to CN201710124823.9A priority Critical patent/CN106877914A/en
Publication of CN106877914A publication Critical patent/CN106877914A/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0404Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
    • HELECTRICITY
    • H01BASIC ELECTRIC 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/10Monitoring; Testing of transmitters
    • H04B17/101Monitoring; Testing of transmitters for measurement of parameters
    • H04B17/102Monitoring; Testing of transmitters for measurement of parameters of radiated power at antenna port
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/309Measuring or estimating channel quality parameters
    • H04B17/318Received signal strength
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0602Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0602Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
    • H04B7/0608Antenna selection according to transmission parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • H04B7/0805Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching

Abstract

The invention relates to a kind of antenna switching system based on power and signal intensity detection.Including at least two communication antenna sets, each communication antenna component is two communication antennas, to receive and dispatch mobile communication frequency band signals;Global positioning system antenna, to receive and dispatch global positioning system frequency band signals;Wireless network antenna, with transmitting/receiving wireless network frequency band signals;Duplexer, to separate mobile communication frequency band signals, global positioning system frequency band signals and wireless network frequency band signals;Signal transacting control module, to detect received signal strength;Coupler, to obtain reflection power;And double-point double-throw switch, antenna is used to switch, wherein, signal transacting control module uses antenna according to received signal strength and reflection power through double-point double-throw switch switching.

Description

Antenna switching system based on power and signal intensity detection

Technical field

The present invention relates to a kind of mobile phone technique field, especially it is used to be related to a kind of day based on power and signal intensity detection Line switching system.

Background technology

With the development and the progress of technology of science and technology, smart mobile phone disappears as a kind of portable communication device in order to cater to Take the market demand, in external form all with it is compact be trend trend, at the same time, smart mobile phone must be able to again provide variation Service, this also means that, increasing system module and component are had by the confined space inside device to smart mobile phone In, therefore compressed as the also relative meeting in the space that the most important antenna of radio communication is set.

By the further investigation to prior art, conventional metals back-cover antenna for mobile phone is for communication quality and reception signal Demand in metal back cover, it is necessary to leave multiple gaps for aerial radiation and reception, these methods are usually because user's staff Holding the actually used situation such as gap causes antenna performance to be subject to severe exacerbation, influences making for the cell-phone function such as call and online With.

The content of the invention

In order to solve the above-mentioned technical problem, it is an object of the present invention in all-metal back-cover design smart mobile phone in, profit With partition Antenna Design, the work residing for the power level returned according to antenna feedback and received signal strength judgement antenna system State, is switched to the good antenna of signal, it is ensured that the normal work of antenna system.

The object of the invention to solve the technical problems is applied to the following technical measures to achieve further.Proposed according to the present invention A kind of antenna switching system based on power and signal intensity detection, including at least two communication antenna sets, a signal transacting control Molding block.Each communication antenna component is two communication antennas, to receive and dispatch a mobile communication frequency band signals;One signal transacting controls mould Block, the communication antenna group is connected by coupler circuit, and two communication antenna is switched by double-pole double-throw on-off circuit Use antenna in group;The communication antenna group includes a first antenna and one second antenna;The signal transacting control module By the coupler, analyze the first antenna and receive and dispatch one first reflection power of the mobile communication frequency band signals with one the One received signal strength, and analyze one second reflection power and that second antenna receives and dispatches the mobile communication frequency band signals Second received signal strength;And, the signal transacting control module makes by described in double-pole double-throw switch circuit judgement With antenna, the difference of first reflection power with second reflection power and first received signal strength and institute are analyzed At least its one is stated in the difference of the second received signal strength, according to analysis result, is switched by the double-point double-throw switch and led Path is the first antenna or second antenna.

In one embodiment of this invention, the signal transacting control module detects the double-point double-throw switch state, if The double-point double-throw switch switches the primary path when being second antenna, when first received signal strength and described the The difference of two received signal strengths is higher than a signal intensity setting value, and switching the primary path through the double-point double-throw switch is The first antenna, when the difference of first received signal strength and second received signal strength is not higher than the signal Intensity settings, it is second antenna to maintain to set the primary path.

In one embodiment of this invention, the signal transacting control module is described through double-point double-throw switch switching Primary path be the first antenna after, if the first reflection power sets with the difference of second reflection power higher than a reflection power During definite value, it is second antenna that the signal transacting control module switches the primary path through the double-point double-throw switch, If the difference of first reflection power and second reflection power is not higher than the reflection power setting value, the signal It is the first antenna that processing and control module maintains to set the primary path.

In one embodiment of this invention, the antenna system is arranged at one of smart mobile phone metal back cover, the metal Bonnet further includes a metal slit.

In one embodiment of this invention, at least two communication antenna sets are arranged at the metal back cover corner, more Including a low-frequency range antenna, a Mid Frequency antenna and a high band antenna, wherein the antenna sets split each band antenna It is two groups of totally four communication antennas, and the communication antenna group is symmetrical with another communication antenna group, the low-frequency range day as described in two groups Line adds the Mid Frequency antenna and high band antenna described in two groups, or low-frequency range antenna described in two groups adds the high band Antenna and Mid Frequency antenna described in two groups, or Mid Frequency antenna described in two groups is plus low described in the high band antenna and two groups Band antenna.

In one embodiment of this invention, further include:One global positioning system antenna, circuit connects the communication antenna Group, to receive and dispatch a global positioning system frequency band signals, the global positioning system antenna is shared with the communication antenna.

In one embodiment of this invention, further include:One wireless network antenna, circuit connects the communication antenna group, with A wireless network frequency band signals are received and dispatched, the wireless network antenna is shared with the communication antenna.

In one embodiment of this invention, the signal transacting control module, further includes a Communications Processor Module, a whole world Alignment system processing module, a wireless network processing module, a received signal strength detection module, a power detection module and Double-pole double-throw switching logic control module.

In one embodiment of this invention, further include:One duplexer circuit is connected to the communication antenna group and the letter Between number processing and control module, global positioning system antenna and wireless network antenna at least one and the communication antenna group antenna When shared, the duplexer is used to separate the mobile communication frequency band signals, the global location of the global positioning system antenna The wireless network frequency band signals of system frequency band signal and the wireless network antenna, the duplexer be a frequency division duplex device or One time-division duplexer.

In one embodiment of this invention, further include:The signal transacting control module, obtains according to the communication antenna The received signal strength, detects the received signal strength, according to the coupling through the received signal strength detection module Clutch obtains the reflection power, and the reflection power is detected through the power detection module.

By above-mentioned technical proposal, the antenna switching system based on power and signal intensity detection of the invention at least has Following advantages and beneficial effect:The present invention, using Antenna Design is decoupled, is returned suitable for the design of all-metal back-cover according to antenna feedback The power level and received signal strength that come judge the working condition residing for antenna system, are switched to the good antenna of signal, protect Demonstrate,prove the normal work of antenna system.The defect that signal reception can be overcome unstable, enhancing mobile phone terminal receives signal, solves to use Family staff holds the actual conditions such as gap causes antenna performance to be subject to the problem of severe exacerbation, solves user's staff and holds gap etc. The problem of the cell-phone function such as influence call, online caused by actual conditions, and then substantially improve Consumer's Experience.

In sum, the present invention is a significant progress in technology, and with obvious actively technique effect, it is new as one Grain husk, progressive, practical new invention.

Described above is only used to the general introduction of technical solution of the present invention, in order to better understand technology hand of the invention Section, and can be practiced according to the content of specification, and in order to allow above and other purpose of the invention, feature and advantage Can become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.

Brief description of the drawings

Fig. 1 is the component diagram of the antenna switching system based on power and signal intensity detection of the invention.

Fig. 2 is the signal transacting control module group of the antenna switching system based on power and signal intensity detection of the invention Part schematic diagram.

Fig. 3 is the embodiment schematic diagram of the antenna switching system based on power and signal intensity detection of the invention.

Fig. 4 is the embodiment operating procedure flow of the antenna switching system based on power and signal intensity detection of the invention Figure.

Specific embodiment

Further to illustrate the present invention to reach technological means and effect that predetermined goal of the invention is taken, below in conjunction with Accompanying drawing and preferred embodiment, method and system its specific embodiment operated according to mobile terminal synchronization proposed by the present invention, Structure, feature and its effect, describe in detail as after.

Fig. 1 is refer to, it is the component signal of the antenna switching system based on power and signal intensity detection of the invention Figure.In Fig. 1, the antenna switching system based on power and signal intensity detection, including:First communication antenna group 110, Two communication antenna sets 111, global positioning system antenna 120, wireless network antenna 130, duplexer 140, signal transacting control mould Block 150, coupler 160 and double-point double-throw switch 170.

In this framework, signal transacting control module 150 can obtain the first communication antenna group 110 and the by coupler 160 The mobile communication frequency band signals value of the two communication feedbacks of antenna sets 111.According to the demand in design, the first communication antenna group 110 can The antenna of the different frequency ranges such as the high, medium and low frequency of setting of selectivity, or the general antenna of multiband is set;Second communication antenna Group 111 is also similarly.And, two communication antenna groups can set with wireless network antenna 130 and global positioning system antenna 120 respectively Antenna shared structure is counted into, such as the first communication antenna group 110 forms antenna and shares with wireless network antenna 130, the second communication Antenna sets 111 form antenna and share with global positioning system antenna 120;It is opposite, it is also possible to the first communication antenna group 110 with it is complete Ball positioning system antenna 120 forms antenna and shares, and the second communication antenna group 111 forms antenna and shares with wireless network antenna 130.

Duplexer 140 is disposed between communication antenna group and signal transacting control module 150, according to the communication for being connected The antenna of antenna sets shares situation and determines signal switching mode.Such as duplexer 140 is connected to the first communication antenna group 110, First communication antenna group 110 sets high frequency antenna and forms day with wireless network antenna 130 (or global positioning system antenna 120) Line is shared, and duplexer 140 is the actually used antenna and its supporting letter for being used for switching high frequency antenna and wireless network antenna 130 Number transmitting-receiving operational mode.However, duplexer 140 can also be connected to the second communication antenna group 111, the second communication antenna group 111 (low or medium/low shared) frequency antenna and day is formed in setting with global positioning system antenna 120 (or wireless network antenna 130) Line is shared, duplexer 140 be in being used for switching the actually used antenna of (low) frequency antenna and global positioning system antenna 120 and its Supporting signal transmitting and receiving operational mode.In certain embodiments, the first communication antenna group 110 and signal transacting control module 150 Between, and duplexer 140 can be set between second communication antenna group 111 and signal transacting control module 150 simultaneously, operate feelings Shape is as described above.

Fig. 2 is refer to, it is the signal transacting of the antenna switching system based on power and signal intensity detection of the invention Control module component diagram.In fig. 2, signal transacting control module 150, including:One Communications Processor Module 210, Global positioning system processing module 220, a wireless network processing module 230, a received signal strength detection module 240, a work( Rate detection module 250 and double-pole double-throw switching logic control module 260.

Fig. 3 is refer to, is that the embodiment of the antenna switching system based on power and signal intensity detection of the invention is illustrated Figure, is described as follows:

Fig. 3:By metal back cover 300, bonnet leaves four gold to antenna based on power and signal intensity detection of the invention Category gap 301, by the first double-point double-throw switch 310 (DPDT) and the second double-point double-throw switch 311, the first coupler 320, the Two couplers 321, the 3rd coupler 322 and the 4th coupler 323, duplexer 140, signal transacting control module 150 are constituted. Wherein four gaps separately design four antennas, including antenna 330 on first, by communication antenna low-frequency range antenna (Low Band), Mid Frequency antenna (Middle Band) and global positioning system antenna (GPS) are constituted;Antenna 331 on second, by leading to Letter antenna high band antenna (High Band) and wireless network antenna (WIFI) composition;First time antenna 340, by communication day Line low-frequency range antenna (Low Band) and Mid Frequency antenna (Middle Band) are constituted;Second time antenna 341, by communication day Line high band antenna (High Band) and wireless network antenna (WIFI) are constituted.Wherein signal transacting control module 150 and Antenna 331, first time antenna 340 and second time coupler 320, second of antenna 341 and first on antenna 330, second on one Coupler 321, the 3rd coupler 322 and the 4th coupler 323, the first double-point double-throw switch 310 (DPDT) and second pair Double-pole double throw switch 311 is connected.

In the present embodiment, further include:At least two communication antenna sets are arranged at the corner of the metal back cover 300, A low-frequency range antenna, a Mid Frequency antenna and a high band antenna are further included, wherein the antenna sets tear each band antenna open It is divided on first antenna 331 on antenna 330, second, first time antenna 340 and second time antenna 341 totally four communication antennas, And upper antenna and lower antenna symmetry, low-frequency range antenna Mid Frequency antenna and high band as described in two groups plus as described in as described in two groups Antenna, or low-frequency range antenna described in two groups add the high band antenna and Mid Frequency antenna described in two groups, or described in two groups in Band antenna adds the high band antenna and low-frequency range antenna described in two groups.

In the present embodiment, further include:The global positioning system antenna is shared with the communication antenna.

In the present embodiment, further include:The wireless network antenna is shared with the communication antenna.

In the present embodiment, further include:The duplexer 140 is a frequency division duplex device or a time-division duplexer.

In the present embodiment, further include:The signal transacting control module 150, further include a Communications Processor Module 210, One global positioning system processing module 220, a wireless network processing module 230, a received signal strength detection module 240, Power detection module 250 and double-pole double-throw switching logic control module 260.

In the present embodiment, further include:The signal transacting control module 150, obtains described according to the communication antenna Received signal strength, the received signal strength is detected through the received signal strength detection module 240.

In the present embodiment, further include:The signal transacting control module 150, obtains described according to the coupler 160 Reflection power, the reflection power is detected through the power detection module 250.

In the present embodiment, further include:The signal transacting control module 150, according to the received signal strength and The reflection power, the communication antenna is switched through the double-point double-throw switch 170.

Fig. 4 is refer to, it is the embodiment behaviour of the antenna switching system based on power and signal intensity detection of the invention Make flow chart of steps, steps flow chart is as follows:

Wherein, antenna is antenna 1 on first, and signal transacting control module receives the reflection power of antenna 1 by coupler It is P1, received signal strength is S1;First time antenna is antenna 2, and signal transacting control module receives antenna 2 by coupler Reflection power is P2, and received signal strength is S2;Antenna is antenna 3 on second, and signal transacting control module is received by coupler Reflection power to antenna 3 is P3, and received signal strength is S3;Second time antenna is antenna 4, and signal transacting control module passes through The reflection power that coupler receives antenna 4 is P4, and received signal strength is S4;Double-point double-throw switch (DPDT) include DPDT1 with And DPDT2.

Step S400:Signal transacting and controlling cycle start.

Step S401:Signal transacting control module detects 4 the reflection power P1 or P2, P3 or P4 of antenna and receives signal Strength S 1, S2, S3, S4.

Step S402A:Detect the logic state of current DPDT1, it is assumed that the selection of present DPDT1 primary paths is in antenna 2, storage The value of P2, S1, S2.

Step S402B:Detect the logic state of current DPDT2, it is assumed that the selection of present DPDT2 primary paths is in antenna 4, storage The value of P4, S3, S4.

Step S403A:Judge the difference of S1 and S2 whether higher than setting value.

In the present embodiment, further include:When difference is higher than setting value, step S404A is continued executing with, if being not above setting During definite value, step S406A is performed.

Step S403B:Judge the difference of S3 and S4 whether higher than setting value.

In the present embodiment, further include:When difference is higher than setting value, step S404B is continued executing with, if being not above setting During definite value, step S406B is performed.

Step S404A:DPDT1 is switched to antenna, and with antenna 1 for main dual-mode antenna, antenna 2 is auxiliary reception antenna, Store the value of P1.

Step S404B:DPDT2 is switched to antenna, and with antenna 3 for main dual-mode antenna, antenna 4 is auxiliary reception antenna, Store the value of P3.

Step S405A:Judge the difference of P1 and P2 whether higher than setting value.

In the present embodiment, further include:When difference is higher than setting value, step S406A is continued executing with, if being not above setting During definite value, step S407A is performed.

Step S405B:Judge the difference of P3 and P4 whether higher than setting value.

In the present embodiment, further include:When difference is higher than setting value, step S406B is continued executing with, if being not above setting During definite value, step S407B is performed.

Step S406A:DPDT1 is switched to antenna 2 for main dual-mode antenna, and antenna 1 is auxiliary reception antenna.

Step S406B:DPDT2 is switched to antenna 4 for main dual-mode antenna, and antenna 3 is auxiliary reception antenna.

Step S407A:It is the state of main dual-mode antenna in antenna 1 to maintain DPDT1.

Step S407B:It is the state of main dual-mode antenna in antenna 3 to maintain DPDT2.

Step S408:End cycle, next cycle starts.

In the present embodiment, further include:At least a wireless network antenna and communication antenna, when power and signal intensity judges When, based on the power and signal reception of communication antenna.When wireless network antenna work is opened, can be connect with wireless network antenna The collection of letters number is used as auxiliary reference.

The above, is only presently preferred embodiments of the present invention, and any formal limitation is not made to the present invention, though So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people Member, without departing from the scope of the present invention, when making a little change or modification using the technology contents of the disclosure above It is the Equivalent embodiments of equivalent variations, as long as being the content without departing from technical solution of the present invention, according to technical spirit of the invention Any simple modification, equivalent variations and the modification made to above example, still fall within the range of technical solution of the present invention.

Claims (10)

1. a kind of antenna switching system based on power and signal intensity detection, including:
At least two communication antenna sets, each communication antenna component is two communication antennas, to receive and dispatch a mobile communication frequency band signals;
One signal transacting control module, the communication antenna group is connected by coupler circuit, and electricity is switched by double-pole double-throw Use antenna in the road switching two communication antenna sets;
Characterized in that, the communication antenna group includes a first antenna and one second antenna;
The signal transacting control module analyzes the first antenna and receives and dispatches the mobile communication frequency range letter by the coupler Number one first reflection power and one first received signal strength, and analyze second antenna and receive and dispatch the mobile communication frequency range One second reflection power of signal and one second received signal strength;And
The signal transacting control module judges the use antenna, analysis described first by the double-pole double-throw switch circuit The difference and first received signal strength and second received signal strength of reflection power and second reflection power Difference at least its one, according to analysis result, it is the first antenna to switch primary path by the double-point double-throw switch Or second antenna.
2. the antenna switching system based on power and signal intensity detection as described in claim the 1, it is characterised in that more wrap Include:The signal transacting control module detects the double-point double-throw switch state, if the double-point double-throw switch switches the master When path is second antenna, when first received signal strength is higher than one with the difference of second received signal strength Signal intensity setting value, it is the first antenna to switch the primary path through the double-point double-throw switch, is connect when described first Signal intensity is received with the difference of second received signal strength not higher than the signal intensity setting value, maintains to set the master Path is second antenna.
3. the antenna switching system based on power and signal intensity detection as described in claim the 2, it is characterised in that more wrap Include:The signal transacting control module switches the primary path for after the first antenna through the double-point double-throw switch, if When first reflection power is higher than a reflection power setting value with the difference of second reflection power, the signal transacting controls mould It is second antenna that block switches the primary path through the double-point double-throw switch, if first reflection power and described the When the difference of two reflection powers is not higher than the reflection power setting value, the signal transacting control module maintains to set the master Path is the first antenna.
4. the antenna switching system based on power and signal intensity detection as described in claim the 1, it is characterised in that more wrap Include:The antenna system is arranged at one of smart mobile phone metal back cover, and the metal back cover further includes a metal slit.
5. the antenna switching system based on power and signal intensity detection as described in claim the 1, it is characterised in that described At least two communication antenna sets are arranged at the metal back cover corner, including low-frequency range antenna, Mid Frequency antenna and high band Antenna, wherein each band antenna is split as two groups of totally four communication antennas by the antenna sets, and the communication antenna group with it is another One communication antenna group is symmetrical, low-frequency range antenna Mid Frequency antenna and high band antenna as described in two groups plus as described in as described in two groups, Or low-frequency range antenna described in two groups adds the high band antenna and Mid Frequency antenna described in two groups, or Mid Frequency described in two groups Antenna adds the high band antenna and low-frequency range antenna described in two groups.
6. the antenna switching system based on power and signal intensity detection as described in claim the 1, it is characterised in that more wrap Include:One global positioning system antenna, circuit connects the communication antenna group, to receive and dispatch a global positioning system frequency band signals, institute State global positioning system antenna shared with the communication antenna.
7. the antenna switching system based on power and signal intensity detection as described in claim the 1, it is characterised in that more wrap Include:One wireless network antenna, circuit connects the communication antenna group, to receive and dispatch a wireless network frequency band signals, the wireless network Network antenna is shared with the communication antenna.
8. the antenna switching system based on power and signal intensity detection as described in claim the 1, it is characterised in that more wrap Include:One duplexer circuit is connected between the communication antenna group and the signal transacting control module, global positioning system day When line and wireless network antenna at least one are shared with the communication antenna group antenna, the duplexer is used to switch the movement Communications band signal, the global positioning system frequency band signals of the global positioning system antenna and the wireless network antenna Wireless network frequency band signals, the duplexer is a frequency division duplex device or a time-division duplexer.
9. the antenna switching system based on power and signal intensity detection as described in claim the 1, it is characterised in that described Signal transacting control module, further includes a Communications Processor Module, a global positioning system processing module, wireless network treatment mould Block, a received signal strength detection module, a power detection module and double-pole double-throw switching logic control module.
10. the antenna switching system based on power and signal intensity detection as described in claim the 1, it is characterised in that more Including:The signal transacting control module, the received signal strength is obtained according to the communication antenna, and letter is received through described Number intensity detection module detects the received signal strength, the reflection power is obtained according to the coupler, through the work( Rate detection module detects the reflection power.
CN201710124823.9A 2017-03-03 2017-03-03 Antenna switching system based on power and signal intensity detection CN106877914A (en)

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CN108111176A (en) * 2017-12-08 2018-06-01 Tcl移动通信科技(宁波)有限公司 A kind of double antenna RF power sensing circuit, device and mobile terminal
WO2020020111A1 (en) * 2018-07-23 2020-01-30 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Radio frequency system, method for controlling antenna switching, and related products

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