CN109039367A - Multidiameter option switch and Related product - Google Patents
Multidiameter option switch and Related product Download PDFInfo
- Publication number
- CN109039367A CN109039367A CN201810713080.3A CN201810713080A CN109039367A CN 109039367 A CN109039367 A CN 109039367A CN 201810713080 A CN201810713080 A CN 201810713080A CN 109039367 A CN109039367 A CN 109039367A
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- antenna
- ports
- independent circuits
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Classifications
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- 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
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- 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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0064—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with separate antennas for the more than one band
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0404—Diversity 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
Abstract
The embodiment of the present application discloses a kind of multidiameter option switch and Related product, applied to electronic equipment, electronic equipment includes antenna system and radio circuit, antenna system includes 4 antennas, multidiameter option switch includes 7 T-ports and 4 ports P, 7 T-ports include 1 the first T-port and 6 second T-ports, electronic equipment supports double frequency single shot mode, each first T-port connects 4 ports P entirely, each second T-port connects 2 ports P in 4 ports P, the port P for supporting multiple second T-ports of the signal receiving function of similar frequency bands to be connected covers 4 ports P, and the port P that each T-port is connected in 4 T-ports in signal reception state is different；Multidiameter option switch is for connecting radio circuit and antenna system to realize preset function of the electronic equipment in frequency division multiplexing FDD standard.The embodiment of the present application is conducive to improve the index performance and functionality of the radio frequency of electronic equipment.
Description
Technical field
This application involves fields of communication technology, and in particular to a kind of multidiameter option switch and Related product.
Background technique
With a large amount of popularization and applications of the electronic equipments such as smart phone, smart phone can support using more and more,
Function is stronger and stronger, and smart phone develops towards diversification, personalized direction, becomes indispensable electricity in user's life
Sub- articles.Electronic equipment generally uses single antenna or double antenna radio frequency system framework in forth generation 4G mobile communication system, at present
5th generation 5G mobile communication system newly eats dishes without rice or wine to propose to support the electronic equipment of the radio frequency system framework of 4 antennas in NR system.
Summary of the invention
The embodiment of the present application provides a kind of multidiameter option switch and Related product, to improve the radio frequency of electronic equipment
Index performance and functionality.
In a first aspect, the embodiment of the present application provides a kind of multidiameter option switch, it is applied to electronic equipment, the electronic equipment
Including antenna system and radio circuit, the antenna system includes 4 antennas, the multidiameter option switch include 7 T-ports and
4 ports P, 7 T-ports include 1 the first T-port and 6 second T-ports, and the electronic equipment supports double frequency single-shot mould
Formula, 1 the first T-port connect 4 ports P entirely, and each second T-port connects 2 ports P in 4 ports P,
The port P for supporting multiple second T-ports of the signal receiving function of similar frequency bands to be connected covers 4 ports P, and is in
The port P that each T-port is connected in 4 T-ports of signal reception state is different；
The multidiameter option switch is for connecting the radio circuit and the antenna system to realize the electronic equipment
Preset function in frequency division multiplexing FDD standard, the preset function include the first function and the second function, first function
To support to take turns hair between transmitting antenna by detection reference signal SRS, send the function of 4 port SRS, second function is branch
It holds 4 antennas while receiving the function of data.
Second aspect, the embodiment of the present application provide a kind of function control method, are applied to electronic equipment, the electronic equipment
Including antenna system, radio circuit and multidiameter option switch, the multidiameter option switch includes n T-port and 4 ports P,
7 T-ports include 1 the first T-port and 6 second T-ports, and the electronic equipment supports single shot mode, each first end T
Mouth connects 4 ports P entirely, and each second T-port connects 2 ports P in 4 ports P, supports similar frequency bands
The port P that multiple second T-ports of signal receiving function are connected covers 4 ports P, and in signal reception state
The port P that each T-port is connected in 4 T-ports is different；The described method includes:
The electronic equipment, which determines, executes preset function, and the preset function includes the first function and the second function, described
First function is to support to take turns hair between transmitting antenna by detection reference signal SRS, the function of 4 port SRS of transmission, described second
Function is that 4 antennas is supported to receive the function of data simultaneously；
The electronic equipment is during enabling first function, the end P that is currently occupied according to first function
Mouth adjusts 3 T-ports in 4 T-ports that second function currently occupies and the matching status between 4 ports P,
3 T-ports are the T-port in 4 T-ports in addition to first T-port.
The third aspect, the embodiment of the present application provide a kind of radio frequency system, including antenna system, radio circuit and such as first
The described in any item multidiameter option switch of aspect；
The multidiameter option switch is for connecting the radio circuit and the antenna system to realize the electronic equipment
Preset function in frequency division multiplexing FDD standard, the preset function include the first function and the second function, first function
To support to take turns hair between transmitting antenna by detection reference signal SRS, send the function of 4 port SRS, second function is branch
It holds 4 antennas while receiving the function of data.
Fourth aspect, the embodiment of the present application provide a kind of wireless telecom equipment, including antenna system, radio circuit and such as
The described in any item multidiameter option switch of first aspect；
The multidiameter option switch is for connecting the radio circuit and the antenna system to realize the electronic equipment
Preset function in frequency division multiplexing FDD standard, the preset function include the first function and the second function, first function
To support to take turns hair between transmitting antenna by detection reference signal SRS, send the function of 4 port SRS, second function is branch
It holds 4 antennas while receiving the function of data；
The wireless telecom equipment include at least it is following any one: electronic equipment, base station.
As can be seen that electronic equipment includes antenna system, radio circuit and multidiameter option switch in the embodiment of the present application,
The antenna system specifically includes 4 antennas, and multidiameter option switch includes 7 T-ports and 4 ports P, and the multidiameter option switch
The radio circuit and the antenna system are connected, since the second T-port of the multidiameter option switch only needs to connect 2 ends P
The preset function in FDD standard can be realized in mouth, can be effectively lower for the switch that all T-ports connect entirely
Number of switches improves the index performance of the radio frequency of electronic equipment, and relative to the 2nd T to reduce radio frequency link switch Insertion Loss
Port only connects for the single port P, can support the preset function under FDD standard, that is, expand the functionality of electronic equipment.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of a kind of electronic equipment provided by the embodiments of the present application；
Fig. 2 is a kind of structural schematic diagram of the full connection switch of 4P7T provided by the embodiments of the present application；
Fig. 3 is the structural schematic diagram that a kind of 4P7T provided by the embodiments of the present application simplifies switch；
Fig. 4 A is a kind of receiving and transmitting signal integrated circuit provided by the embodiments of the present application and the example for receiving signal processing circuit
Structure；
Fig. 4 B is provided by the embodiments of the present application in n=7, m=1 and the multidiameter option switch under double frequency single shot mode
Exemplary construction；
Fig. 5 A is another radio circuit exemplary construction provided by the embodiments of the present application；
Fig. 5 B is another radio circuit exemplary construction provided by the embodiments of the present application；
Fig. 5 C is another radio circuit exemplary construction provided by the embodiments of the present application；
Fig. 5 D is another radio circuit exemplary construction provided by the embodiments of the present application；
Fig. 5 E is another radio circuit exemplary construction provided by the embodiments of the present application；
Fig. 5 F is another radio circuit exemplary construction provided by the embodiments of the present application；
Fig. 6 is a kind of exemplary construction of antenna system provided by the embodiments of the present application；
Fig. 7 is a kind of exemplary construction of another antenna system provided by the embodiments of the present application；
Fig. 8 is the flow diagram of the function control method of electronic equipment provided by the embodiments of the present application；
Fig. 9 is a kind of exemplary construction of radio frequency system provided by the embodiments of the present application；
Figure 10 is a kind of exemplary construction of wireless telecom equipment provided by the embodiments of the present application；
Figure 11 is a kind of wireless charging receiver of the antenna of Multiplexing wireless communication equipment provided by the embodiments of the present application
Schematic diagram；
Figure 12 is a kind of structural schematic diagram of perimeter array antenna being made of 4 antennas provided by the embodiments of the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall in the protection scope of this application.
The description and claims of this application and term " first " in above-mentioned attached drawing, " second " etc. are for distinguishing
Different objects, are not use to describe a particular order.In addition, term " includes " and " having " and their any deformations, it is intended that
It is to cover and non-exclusive includes.Such as the process, method, system, product or equipment for containing a series of steps or units do not have
It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally also wrap
Include other step or units intrinsic for these process, methods, product or equipment.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Electronic equipment involved by the embodiment of the present application may include various with wireless communication function in 5G NR system
Handheld device, mobile unit, wearable device, calculate equipment or be connected to other processing equipments of radio modem,
And various forms of user equipmenies (User Equipment, UE), mobile station (Mobile Station, MS), terminal device
(terminal device), client's signing equipment (Customer Premise Equipment, CPE) or portable broadband
Wireless device (Mobile Wifi, MIFI) etc..For convenience of description, apparatus mentioned above is referred to as electronic equipment.
Currently, the SRS switching switching4 antenna emission function of mobile phone is group of China Mobile CMCC in " China
Mobile 5G pilot test Technical White Paper for ××× _ terminal " in essential option, in third generation partner program 3GPP be it is optional,
Main purpose is in order to which base station is by measuring 4 antenna uplink signal of mobile phone, and then 4 path channels quality of confirmation and parameter, according to letter
Road reciprocity is directed to 4 path channels again and does the wave beam forming that downlink maximizes multiple-input and multiple-output Massive mimo antenna array,
Downlink 4x4 MIMO is finally set to obtain optimum data transmission performance.
Switch switching transmitting and downlink to meet 4 antenna SRS in FDD NR system and/or FDD LTE system
The requirement to work while 4X4MIMO function, the embodiment of the present application propose using simplified 4PnT duplexer penetrating as core
Frequency framework and the small switching project plan comparison of 3P3T/DPDT/ multichannel, it is possible to reduce each paths in series's number of switches (by all or
Partial switch set is into 4PnT switch), to reduce link load, optimize the transmitting receptivity of terminal entirety.It is right below
The embodiment of the present application describes in detail.
Referring to Fig. 1, Fig. 1 is that the embodiment of the present application provides a kind of structural schematic diagram of multidiameter option switch 10, this is more
Road selects switch application in electronic equipment 100, and the electronic equipment 100 includes antenna system 20 and radio circuit 30, the day
Linear system system 20 includes 4 antennas, and the multidiameter option switch 10 includes n T-port and 4 ports P, and the n T-port includes
M the second T-ports of the first T-port and n-m, the electronic equipment support single shot mode, each first T-port to connect described 4 entirely
A port P, each second T-port connect 2 ports P in 4 ports P, support the signal receiving function of similar frequency bands
The port P that is connected of multiple second T-ports cover 4 ports P, and be in 4 T-ports of signal reception state
In the port P that is connected of each T-port it is different, m is equal to 1 or 2 or 4, and n is the integer more than or equal to 4；The application example
In, only it is illustrated with n=7, m=1.
The multidiameter option switch 10 is for connecting the radio circuit 30 and the antenna system 20 to realize the electricity
Preset function of the sub- equipment 100 in frequency division multiplexing FDD standard, the preset function include the first function and the second function, institute
The first function is stated to support take turns hair between transmitting antenna by detection reference signal SRS, the function of 4 port SRS of transmission, described the
Two functions are that 4 antennas is supported to receive the function of data simultaneously.
Wherein, described to support to take turns hair between transmitting antenna by detection reference signal SRS, the function of sending 4 port SRS is
Refer to that electronic equipment passes through the process of training in rotation mechanism channel quality corresponding with the base station interaction each antenna of determination.The electronic equipment
Further include RF transceiver, which connects the radio circuit, and with radio circuit, multidiameter option switch and day
Linear system system forms the radio frequency system of the electronic equipment.The electronic equipment is in downlink 4*4 multiple-input and multiple-output MIMO Working mould
It is one-to-one between T-port and the port P in 4 downlinks of same frequency range when formula.For from design principle, phase
T-port with four support receive capabilities of frequency range must be separately connected 4 ports P, so that it is guaranteed that can be realized four tunnel of downlink
Receive capabilities.
Wherein, the port the P full name in English in the application is Port (polarization) port, is used for multidiameter option switch in the application
The appellation of the port of middle connection antenna, T-port full name in English are Throw (throw, throw), are used in multidiameter option switch in the application
The appellation for connecting the port of radio circuit, as 4P4T is switched.
Wherein, every in the second T-port since only 1 the first T-port in n T-port connects 4 ports P entirely
A port only connects 2 antennas and does reception use, connects the side of 4 ports P entirely relative to each T-port in 4 T-ports
Formula can reduce 4PnT switch embedded field effect tube quantity/volume/cost, only connect list relative to each port in the second T-port
The most simplified state of a port P functionally expands the same of the function of supporting SRS function and downlink 4X4MIMO under FDD standard
Work is walked, to promote applicability.It elaborates below to the part.
As an example it is assumed that n=7, the multidiameter option switch is made of field-effect tube, if each T in 7 T-ports
Port connects 4 ports P entirely, then the exemplary block diagram of multidiameter option switch as shown in Figure 2, the field of the multidiameter option switch
The quantity of effect pipe is 7+7*4*3+4=95；If only have 1 T-port in 4 T-ports connects 4 ports P entirely, remaining is each
T-port connects 2 ports P, then the exemplary block diagram of multidiameter option switch as shown in Figure 3, the field effect of the multidiameter option switch
Should pipe quantity be 7+ (1*4+ (7-1) * 2) * 3+4=59.
It can be seen that connecting the quantity of the T-port of 4 ports P in T-port entirely by limiting, electronics can be effectively reduced
The number of switches of equipment radio frequency system.That is, the quantity of the full connecting-type T-port have to the performance of radio frequency system it is larger
It influences.
As it can be seen that electronic equipment includes antenna system, radio circuit and multidiameter option switch, the antenna in the application example
System specifically includes 4 antennas, and multidiameter option switch includes 7 T-ports and 4 ports P, and the multidiameter option switch connects institute
Radio circuit and the antenna system are stated, since the second T-port of the multidiameter option switch only needs to connect 2 ports P
Realize that the preset function in FDD standard can be effectively compared with low switch number for the switch that all T-ports connect entirely
Amount improves the index performance of the radio frequency of electronic equipment, and only relative to the second T-port to reduce radio frequency link switch Insertion Loss
It connects for the single port P, can support the preset function under FDD standard, that is, expand the functionality of electronic equipment.
In a possible example；Each port P in 4 ports P connects corresponding antenna；4 ends P
Each port P in mouthful connects corresponding antenna；First T-port supports signal transmitting and receiving function, and second T-port only props up
Hold signal receiving function.
Wherein, it since the electronic equipment supports single shot mode, newly eats dishes without rice or wine 5G NR system in the 5th third-generation mobile communication
In the electronic equipment could support up double frequency list uplink UL2*2MIMO downlink DL4*4MIMO, i.e., in logic include 8 tunnels
Signal receiving path and 2 road signal transmitting paths, therefore at most corresponding 10 T-ports, so the value of n is less than or equal to 10.
Wherein, the support transmission-receiving function, which refers to, supports signal receiving function and signal transmission function.
As it can be seen that in this example, since multidiameter option switch is specifically made of m the first T-ports and n-m the second T-ports,
So the multidiameter option switch reduces number of switches relative to the form that whole T-ports connect the port P entirely, can reduce electronics
The number of switches of equipment radio frequency system, it is possible to reduce path loss improves 5G to promote transmission power and receiving sensitivity
Message transmission rate in NR improves mobile phone uplink and downlink coverage area, reduces power consumption and cost.
Wherein, the double frequency single shot mode refers to that electronic equipment maximum capacity can support the mono- transmitting path of two-band, UL
Or the operating mode of DL4 receiving path.
In a possible example, the multi-channel switch includes n first switch tube, (m*4+ (n-m) * 2) * 3
A second switch, 4 third switching tubes, the first switch tube correspond to the T-port, described in the third switching tube is corresponding
The port P, the switch subelement between every 3 second switch T-ports in series and the port P are described to open
2 second switches at the both ends of climax unit are separately connected 1 T-port and 1 port P, the centre of the switch subelement
Second switch ground connection, each first switch tube, each second switch, the gate pole of each third switching tube are equal
Connection switch controls chip.
In the specific implementation, if not being grounded, parasitic parameter is to its in multidiameter option switch when being disconnected due to switch subelement
The port performance influence that he is connected is too big, so setting 3 switching tubes for switch subelement here, wherein 3 switching tubes can
It is connected with common source, when disconnection, 2 switching tubes of two sides are all disconnected, intermediate switching tube earth-continuity.
Wherein, the connection in multidiameter option switch described in the embodiment of the present application between T-port and the port P, full connection
Etc. concepts, each mean that T-port in multidiameter option switch passes through the state that the switch subelement connects the port P.Described first,
Second, third switching tube can be metal-oxide semiconductor (MOS) metal-oxide-semiconductor etc., and electronic equipment can pass through the end of switch control chip
The gate pole of each metal-oxide-semiconductor in mouthful the one the second third switching tube of connection, switch control chip can be using mobile Industry Processor
Interface MIPI interface, the signal that electronic equipment controls the driving port of the switch control chip can control any T-port and the end P
Connection status between mouthful.
As it can be seen that in this example, since the switch subelement of multidiameter option switch includes three second switches, intermediate the
Two switching tubes ground connection, so as to avoid the parasitic parameter of current switch pipe to other conducting port performances in the tripped condition
It influences, improves switch control stability.
In a possible example, the radio circuit of the electronic equipment includes 1 road receiving and transmitting signal collection in logic
Signal processing circuit is received at circuit and 6 tunnels, every road receiving and transmitting signal integrated circuit includes that the work of 2 tunnels is believed in the transmitting-receiving of different frequency range
Number processing circuit；
It is made of in the radio circuit physical aspect k independent circuits module, k is following any value: 2,3,4,5,6
With 7；
For connecting corresponding first T-port, described k independent for the signal transmitting and receiving port of the k independent circuits module
The receiver port of circuit module is for connecting corresponding second T-port.
As it can be seen that in this example, since duplexer parallel connection emissioning signal treatment circuit and 1 can be passed through in rf processing circuitry
Road receives signal processing circuit and forms receiving and transmitting signal integrated circuit, thus be combined the transmitting signal of similar frequency bands and receive signal,
It realizes that the electronic equipment emits under the FDD standard and receive work while on different frequent points, expands electronic equipment
Functionality.
In this possible example, as shown in Figure 4 A, it includes the first power amplification that the receiving and transmitting signal, which integrates processing circuit,
Device PA, the first low-noise amplifier LNA, first duplexer, the second power amplifier PA, the second low-noise amplifier LNA, second
Duplexer, power coupler coupler and switching switch, the RF transceiver connect the input port of the first PA, institute
The output port of the input port of the 2nd PA, the output port of the first LNA, the 2nd LNA are stated, the first PA's is defeated
Exit port connects the first duplexer, the output port of the 2nd PA and described with the input port of the first LNA
The input port of two LNA connects second duplexer, described in the first duplexer is connected with second duplexer
Coupler, the coupler connection switching switch, the switching switch connect first T-port；
The reception signal processing circuit includes low-noise amplifier LNA and Filter, the RF transceiver
The output port of the LNA is connected, the input port of the LNA connects the filter, filter connection the 2nd T
Port.
As it can be seen that receiving and transmitting signal integrated circuit and reception signal processing circuit are come in more simplified mode in this example
It supports its corresponding function, be conducive to modularization and reduce cost, improve the allocative efficiency of radio frequency system in the electronic device.
In this possible example, at least one independent circuits module includes k independent circuits module, k=1 or 2 or
3 or 4 or 5 or 6 or 7.
Wherein, as shown in Figure 4 B, in the case where double frequency single-shot, n=7, m=1, the number of the switching tube of the multi-channel switch
Amount is 7+ (1*4+ (7-1) * 2) * 3+4=59, and Nx indicates the frequency range that electronic equipment is supported, such as the n77 (3.3 in 5G NR system
~4.2GHz), n78 (3.3~3.8GHz), n79 (4.4GHz~4.99GHz) etc., TRX indicates to support the end of signal transmitting and receiving function
Mouthful, TX indicates to support the port of signal transmission function, and RX indicates to support the port of signal receiving function, and structure shown in this attached drawing is only
For example, the structure of the multidiameter option switch can also be other forms, not do unique restriction herein.
Wherein, when k=1, reception signal processing circuit described in the receiving and transmitting signal integrated circuit and 6 tunnels is set to same
In independent circuits module；
In a possible example, as shown in Figure 5A, when the k is 2,2 independent circuits modules include first only
Vertical circuit module and the second independent circuits module, the first independent circuits module includes 1 road receiving and transmitting signal integrated circuit, described
Second independent circuits module includes that 6 tunnels receive signal processing circuit.
Wherein, when k=2, the first independent circuits module includes 1 road receiving and transmitting signal integrated circuit, the second independent circuits module
Signal processing circuit is received including 6 tunnels.
In a possible example, as shown in Figure 5 B, when the k is 3,3 independent circuits modules include 2 thirds
Independent circuits module and 1 the 4th independent circuits module, each third independent circuits module include that 3 tunnels receive signal processing electricity
Road, the 4th independent circuits module include 1 road receiving and transmitting signal integrated circuit.
Wherein, when k=3,3 independent circuits modules include 2 third independent circuits modules and 1 the 4th independent circuits mould
Block, each third independent circuits module include that 3 tunnels receive signal processing circuit, and the 4th independent circuits module includes 1 tunnel transmitting-receiving letter
Number integrated circuit.
In a possible example, as shown in Figure 5 C, when the k is 4,4 independent circuits modules include 3 the 5th
Independent circuits module and 1 the 6th independent circuits module, every one the 5th independent circuits module include that 2 tunnels receive signal processing electricity
Road, the 6th independent circuits module include 1 road receiving and transmitting signal integrated circuit.
Wherein, when k=4,4 independent circuits modules include 3 the 5th independent circuits modules and 1 the 6th independent circuits mould
Block, every one the 5th independent circuits module include that 2 tunnels receive signal processing circuit, and the 6th independent circuits module includes 1 tunnel transmitting-receiving letter
Number integrated circuit.
In a possible example, as shown in Figure 5 D, when the k is 5,5 independent circuits modules include 4 the 7th
Independent circuits module and 1 the 8th independent circuits module, every one the 7th independent circuits module include that 1 tunnel receives signal processing electricity
Road, the 8th independent circuits module include that 1 road receiving and transmitting signal integrated circuit and 2 tunnels receive signal processing circuit.
Wherein, when k=5,5 independent circuits modules include 4 the 7th independent circuits modules and 1 the 8th independent circuits mould
Block, every one the 7th independent circuits module include that 1 tunnel receives signal processing circuit, and the 8th independent circuits module includes 1 tunnel transmitting-receiving letter
Number integrated circuit and 2 tunnels receive signal processing circuit.
In a possible example, as shown in fig. 5e, when the k is 6,6 independent circuits modules include 5 the 9th
Independent circuits module and 1 the tenth independent circuits module, every one the 9th independent circuits module include that 1 tunnel receives signal processing electricity
Road, the tenth independent circuits module include that 1 road receiving and transmitting signal integrated circuit and 1 tunnel receive signal processing circuit.
Wherein, when k=6,6 independent circuits modules include 5 the 9th independent circuits modules and 1 the tenth independent circuits mould
Block, every one the 9th independent circuits module include that 1 tunnel receives signal processing circuit, and the tenth independent circuits module includes 1 tunnel transmitting-receiving letter
Number integrated circuit and 1 tunnel receive signal processing circuit.
In a possible example, as illustrated in figure 5f, when the k is 7,7 independent circuits modules include 6 the tenth
One independent circuits module and 1 the 12nd independent circuits module, every 1 the 11st independent circuits module include that 1 tunnel receives at signal
Circuit is managed, the 12nd independent circuits module includes 1 road receiving and transmitting signal integrated circuit.
Wherein, when k=7,7 independent circuits modules include 6 the 11st independent circuits modules and 1 the 12nd independent electrical
Road module, every 1 the 11st independent circuits module include that 1 tunnel receives signal processing circuit, and the 12nd independent circuits module includes 1
Road receiving and transmitting signal integrated circuit.
It wherein, further include other possible combinations certainly as Fig. 5 A~5F shows the specific physical aspect of radio circuit
Form, it is indefinite not make herein.
As it can be seen that the physical aspect for the radio circuit that 4P7T multidiameter option switch is adapted to can be a variety of more in this example
Sample, it can according to need flexible configuration.
Wherein, the signal transmitting and receiving port is the close multidiameter option switch that the receiving and transmitting signal integrates processing circuit
Port, the receiver port be it is described receive signal processing circuit close to the multidiameter option switch port.
As it can be seen that in this example, since duplexer parallel connection emissioning signal treatment circuit and 1 can be passed through in rf processing circuitry
Road receives signal processing circuit and forms receiving and transmitting signal processing circuit, thus be combined the transmitting signal of similar frequency bands and receive signal,
Realize that the electronic equipment emits under the FDD standard and receive work while on different frequent points, and two frequency ranges pair
The 2 road receiving and transmitting signal processing circuits answered can be switched by switching and realize Frequency Band Selection, be conducive to the function of expanding electronic equipment
Property.
Wherein, since under FDD standard, single shot mode, the PA in multichannel emissioning signal treatment circuit will not be worked at the same time, because
Multiple PA of this multichannel emissioning signal treatment circuit can be set in the same independent circuits module.
As it can be seen that receiving and transmitting signal integrates processing circuit and receives signal processing circuit with more simplified side in this example
Formula supports its corresponding function, is conducive to modularization and reduces cost, improves the configuration effect of radio frequency system in the electronic device
Rate.
As it can be seen that in the case where n=7, m=1, the switching tube quantity of multi-channel switch is reduced, reduced cost in this example
And Insertion Loss is reduced, improve radio-frequency performance.
In a possible example, 4 antennas include first antenna, the second antenna, third antenna and the 4th day
Line, the first antenna, the second antenna, third antenna and the 4th antenna are the antenna for supporting 5G NR frequency range.
Wherein, the 5G NR frequency range for example may include 3.3GHz-3.8GHz, 4.4GHz-5GHz.
In a possible example, 4 antennas include first antenna, the second antenna, third antenna and the 4th day
Line, the first antenna and the 4th antenna are the antenna for supporting LTE frequency range and 5G NR frequency range, second antenna and institute
Stating third antenna is the antenna for only supporting 5G NR frequency range.
Wherein, first and the 4th antenna be DL 4x4 MIMO in order to support individual frequency ranges in LTE terminal.Its 2 receptions
The antenna duplexer of antenna and 5G NR.The LTE frequency range for example may include 1880-1920MHz, 2496-2690MHz.
In a possible example, as shown in fig. 6, the antenna system further includes the first combiner and the second combining
Device, wherein the first port of first combiner is for connecting the first antenna, the second port of first combiner
The third port of the first receiving path in LTE 4x4MIMO for connecting the electronic equipment, first combiner is used
The corresponding port P in the connection multidiameter option switch；The first port of second combiner is for connecting the described 4th
Antenna, it is logical that the second port of second combiner is used to connect the second reception in the LTE 4x4 MIMO of the electronic equipment
Road, the third port of second combiner is for connecting the corresponding port P in the multidiameter option switch.
Wherein, the LTE 4*4MIMO is that downlink LTE receives circuit, can be defined as third receiving path.Because current
LTE has had the reception of 2 tunnels.When supporting LTE 4x4 MIMO, has and increase by the third and fourth receiving channel.
Wherein, electronic equipment can leave 1 antenna of better performances in circuit main collection according to practical 4 antenna cases
It receives PRX and does standby use, and the first T-port has transmission-receiving function in switch, i.e., it can do TX and PRX function, can appoint
Meaning switching antenna, therefore do not need the limitation that connectivity port is done to common antenna herein.
In a possible example, as shown in fig. 7, the antenna system further include the first SPDT switches and
Second SPDT switch, wherein the first port of first SPDT switch is for connecting the first antenna, the first SPDT
The second port of switch is used to connect the first receiving path in the LTE 4x4 MIMO of the electronic equipment, the first SPDT
The third port of switch is for connecting the corresponding port P in the multidiameter option switch；The first end of second SPDT switch
Mouth is for connecting the 4th antenna, and the second port of second SPDT switch is for connecting the described of the electronic equipment
The third port of the second receiving path in LTE 4x4 MIMO, second SPDT switch is opened for connecting the multi-path choice
The corresponding port P in the Central Shanxi Plain.
Referring to Fig. 8, Fig. 8 is that the embodiment of the present application provides a kind of flow diagram of function control method, it is applied to
Electronic equipment, the electronic equipment include antenna system, radio circuit and multidiameter option switch, the multidiameter option switch packet
N T-port and 4 ports P are included, the n T-port includes m the second T-ports of the first T-port and n-m, the electronic equipment
Single shot mode, each first T-port is supported to connect 4 ports P entirely, each second T-port connects in 4 ports P
2 ports P, the port P of supporting multiple second T-ports of the signal receiving function of similar frequency bands to be connected covers 4 P
Port, and the port P that each T-port is connected in 4 T-ports in signal reception state is different, m is equal to 1
Or 2 or 4, n is the integer more than or equal to 4；The described method includes:
S801, the electronic equipment, which determines, executes preset function, and the preset function includes the first function and the second function,
First function is to support to take turns hair between transmitting antenna by detection reference signal SRS, sends the function of 4 port SRS, described
Second function is that 4 antennas is supported to receive the function of data simultaneously；
S802, the electronic equipment currently occupy during enabling first function according to first function
The port P adjust the matching status between 4 T-ports and 4 ports P that second function currently occupies.
Wherein, electronic equipment executes the one the second functions, can satisfy functional requirement in 5G NR FDD standard system.
As it can be seen that electronic equipment can be real by the radio frequency system constructed based on multidiameter option switch in the embodiment of the present application
Preset function in existing 5G NR FDD standard system, and since multidiameter option switch structure simplifies, control efficiently, is conducive to mention
High electronic equipment completes the real-time and efficiency of preset function.
Below by taking multi-channel switch as shown in Figure 4 B as an example, the T-port in the embodiment of the present application and the end P is described in detail
Handoff procedure between mouthful.It can only operate in same frequency range in the same period since 5G NR agreement limits 4 ports P at present, because
The double frequency single-shot of this application supports double frequency, but is only merely one frequency range of detection in the SRS process of same period, false here
If detecting Nx frequency range, it is assumed that 4 T-ports sequential connection, 4 ports P of the multi-channel switch original state Nx frequency range, i.e., 4
The first T-port T1 connection P1, the second T-port T2 connection P2 in T-port, the 4th T-port T4 connection P3, the 6th T-port T6 company
P4 is met, due to being that only only one antenna can emit a detection cycle, so complete 4 antennas of poll, need 4 spies
Survey the period；4 ports P are separately connected 4 antennas, and when electronic equipment, which determines, enables preset function, then electronic equipment is enabling
During SRS, since the application is double frequency single-shot, so only one antenna is sent in a detection cycle, such as electricity
Sub- equipment can be believed in the first detection cycle by T1 and P1 access (access is connected in advance to be used as receiving path) transmitting-receiving
Number with carry out Nx signal receive and first antenna channel quality detect, the first detection cycle is due to the corresponding end P T2, T4, T6
Mouth is unoccupied, so do not switch in this period.
Secondly, electronic equipment, which can control T1 in the second detection cycle, switches to connection P2 from original state connection P1, make
It obtains T1 and transmitting Nx signal is connected with P2 to carry out the channel detection that signal receives the second antenna, the corresponding P2 of this period original T2 is occupied
With then in order to maintain the signal receiving function of T2, T2, which needs to switch, is connected to P1, and T4, T6 be not occupied, so T4, T6 do not have to
Switching.
Again, electronic equipment can control T1 in third detection cycle and switch to P3 from P2, so that transmitting-receiving is connected with P3 by T1
Nx signal is received with to carry out signal and third antenna channel detection, and the corresponding P3 of this period original T4 is occupied, then in order to maintain T4
Signal receiving function, T4 need switch is connected to P2.
Finally, electronic equipment, which can control T1 in the 4th detection cycle, switches to P4 from P3, so that transmitting-receiving is connected with P4 by T1
Signal is received with to carry out signal and the detection of the 4th antenna channel, and the corresponding P4 of this period original T6 is occupied, then in order to maintain T6's
Signal receiving function, T6, which needs to switch, is connected to P3.
So far, electronic equipment completes SRS detection process, and T1 connection P4 carries out signal reception, and T2 connection P1 carries out signal
It receives, T4 connection P2 carries out signal reception, and T6 connection P3 carries out signal reception.
Referring to Fig. 9, Fig. 9 is that the embodiment of the present application provides a kind of structural schematic diagram of radio frequency system, the radio frequency system
Including multidiameter option switch described in antenna system, radio circuit and any of the above-described embodiment；
The multidiameter option switch is for connecting the radio circuit and the antenna system to realize the electronic equipment
Preset function in frequency division multiplexing FDD standard, the preset function include the first function and the second function, first function
To support to take turns hair between transmitting antenna by detection reference signal SRS, send the function of 4 port SRS, second function is branch
It holds 4 antennas while receiving the function of data.
Referring to Fig. 10, Figure 10 is that the embodiment of the present application provides a kind of structural schematic diagram of wireless telecom equipment, the nothing
Line communication equipment includes antenna system, multidiameter option switch described in radio circuit and any of the above-described embodiment；
The multidiameter option switch is for connecting the radio circuit and the antenna system to realize the electronic equipment
Preset function in frequency division multiplexing FDD standard, the preset function include the first function and the second function, first function
To support to take turns hair between transmitting antenna by detection reference signal SRS, send the function of 4 port SRS, second function is branch
It holds 4 antennas while receiving the function of data；
The wireless telecom equipment include at least it is following any one: electronic equipment, base station.
In addition, as shown in figure 11,4 antennas in antenna system described in the embodiment of the present application can also be by the electronics
The wireless charging receiver of equipment is multiplexed, specifically, the wireless charging receiver includes receiving antenna, receives control circuit,
The receiving antenna matches that (resonance, humorous with radiativity in the same or similar situation of frequency with the transmitting antenna of wireless charging transmitter
Shake magnetic-coupled mode, energy transmitted by way of Wireless transceiver), receiving control circuit will by perimeter array antenna
Amount is changed into direct current DC output and charges the battery, and the frequency of the perimeter array antenna can dynamically be adjusted by receiving control circuit,
And be allowed to match with the frequency of the transmitting antenna of wireless charging transmitter, to realize pairing charging, alternatively, in real time and wireless charging
Transmitter carries out frequency range interaction, with realization " exclusive encryption " wireless charging mode.
Wherein, the receiving antenna can be antenna (the more situations as composed by least 1 antenna in 4 antennas
It is lower to pass through switching gate between antenna and antenna).
Such as: as shown in figure 12, which is the perimeter array antenna being made of above-mentioned 4 antennas, 4 antenna tools
Body includes that antenna 1, antenna 2, antenna 3, antenna 4, wherein antenna 1 and antenna 4 support LTE and 5G NR frequency range, antenna 2 and antenna 3
Only support 5G NR frequency range, the port of the port of antenna 1 and the port of antenna 4 as the perimeter array antenna, wherein adjacent antenna
Between connected by gating circuit 170 with isolation features, which includes spacer 171 and switch 172, every
It is conductor from piece 171, switch 172 is also connected with controller, and electronic equipment can be connected to each gating electricity under wireless charging mode
The switch 172 on road 170 receives energy to form perimeter array antenna.By the way that spacer 171, gating electricity are added between antenna
170 one side of road reduces the mutual coupling between the multiple antennas of electronic equipment in the normal communication mode, improves between multiple antennas
Isolation optimizes antenna performance, on the other hand multiple antennas can be connected to form perimeter array antenna by switch 171, with
Convenient for matching transmitting antenna preferably to transmit energy, further, since antenna 1 and 4 ability of antenna are better than antenna 2 and antenna 3, such as
The perimeter array antenna of this setting can reduce energy transfer losses as far as possible.
It is the embodiment of the embodiment of the present application above, it is noted that those skilled in the art are come
It says, under the premise of not departing from the embodiment of the present application principle, several improvements and modifications can also be made, these improvements and modifications
It is considered as the protection scope of the application.
Claims (18)
1. a kind of multidiameter option switch, which is characterized in that be applied to electronic equipment, the electronic equipment includes antenna system and penetrates
Frequency circuit, the antenna system include 4 antennas, the multidiameter option switch include 7 T-ports and 4 ports P, described 7
T-port includes 1 the first T-port and 6 second T-ports, and the electronic equipment supports double frequency single shot mode, 1 the first T-port complete
4 ports P are connected, each second T-port connects 2 ports P in 4 ports P, supports the signal of similar frequency bands
The port P that multiple second T-ports of receive capabilities are connected covers 4 ports P, and described in signal reception state
The port P that each T-port is connected in 4 T-ports is different；
The multidiameter option switch realizes the electronic equipment in frequency for connecting the radio circuit and the antenna system
Divide the preset function in multiplexing FDD standard, the preset function includes the first function and the second function, and first function is branch
It holds and takes turns hair between transmitting antenna by detection reference signal SRS, send the function of 4 port SRS, second function is support institute
It states 4 antennas while receiving the function of data.
2. multidiameter option switch according to claim 1, which is characterized in that each port P in 4 ports P connects
Connect corresponding antenna；First T-port supports signal transmitting and receiving function, and second T-port only supports signal receiving function.
3. multidiameter option switch according to claim 1 or 2, which is characterized in that the radio frequency electrical of the electronic equipment
Road includes that 1 road receiving and transmitting signal integrated circuit and 6 tunnels receive signal processing circuit in logic, and every road receiving and transmitting signal integrated circuit includes
2 roads work in the receiving and transmitting signal processing circuit of different frequency range；
It is made of in the radio circuit physical aspect k independent circuits module, k is following any value: 1,2,3,4,5,6 and
7；
The signal transmitting and receiving port of the k independent circuits module is for connecting corresponding first T-port, the k independent circuits
The receiver port of module is for connecting corresponding second T-port.
4. multidiameter option switch according to claim 3, which is characterized in that when the k is 2,2 independent circuits modules
Including the first independent circuits module and the second independent circuits module, the first independent circuits module includes 1 road receiving and transmitting signal collection
At circuit, the second independent circuits module includes that 6 tunnels receive signal processing circuit.
5. multidiameter option switch according to claim 3, which is characterized in that when the k is 3,3 independent circuits modules
Including 2 third independent circuits modules and 1 the 4th independent circuits module, each third independent circuits module is received including 3 tunnels
Signal processing circuit, the 4th independent circuits module include 1 road receiving and transmitting signal integrated circuit.
6. multidiameter option switch according to claim 3, which is characterized in that when the k is 4,4 independent circuits modules
Including 3 the 5th independent circuits modules and 1 the 6th independent circuits module, every one the 5th independent circuits module is received including 2 tunnels
Signal processing circuit, the 6th independent circuits module include 1 road receiving and transmitting signal integrated circuit.
7. multidiameter option switch according to claim 3, which is characterized in that when the k is 5,5 independent circuits modules
Including 4 the 7th independent circuits modules and 1 the 8th independent circuits module, every one the 7th independent circuits module is received including 1 tunnel
Signal processing circuit, every one the 8th independent circuits module include that 1 road receiving and transmitting signal integrated circuit and 2 tunnels receive signal processing electricity
Road.
8. multidiameter option switch according to claim 3, which is characterized in that when the k is 6,6 independent circuits modules
Including 5 the 9th independent circuits modules and 1 the tenth independent circuits module, every one the 9th independent circuits module is received including 1 tunnel
Signal processing circuit, the tenth independent circuits module include that 1 road receiving and transmitting signal integrated circuit and 1 tunnel receive signal processing electricity
Road.
9. multidiameter option switch according to claim 3, which is characterized in that when the k is 7,7 independent circuits modules
Including 6 the 11st independent circuits modules and 1 the 12nd independent circuits module, every 1 the 11st independent circuits module includes 1
Road receives signal processing circuit, and the 12nd independent circuits module includes 1 road receiving and transmitting signal integrated circuit.
10. -9 described in any item multidiameter option switch according to claim 1, which is characterized in that the multi-channel switch packet
6 first switch tubes, 66 second switches, 4 third switching tubes are included, the first switch tube corresponds to the T-port, described
Third switching tube corresponds to the port P, between every 3 second switch T-ports in series and the port P
Subelement is switched, 2 second switches at the both ends of the switch subelement are separately connected 1 T-port and 1 port P, described
Switch the second switch ground connection of the centre of subelement, each first switch tube, each second switch, described each the
The gate pole of three switching tubes is all connected with switch control chip.
11. according to the described in any item multidiameter option switch of claim 3-10, which is characterized in that the integrated place of the receiving and transmitting signal
Managing circuit includes the first power amplifier PA, the first low-noise amplifier LNA, first duplexer, the second power amplifier PA, the
Two low-noise amplifier LNA, the second duplexer, power coupler coupler and switching switch, the RF transceiver connect institute
State the input port of the first PA, the input port of the 2nd PA, the output port of the first LNA, the 2nd LNA it is defeated
Exit port, the output port of the first PA connect the first duplexer with the input port of the first LNA, and described second
The output port of PA connects second duplexer, the first duplexer and described with the input port of the 2nd LNA
Two duplexers connect the coupler, the coupler connection switching switch, and the switching switch connects the first T
Port；
The reception signal processing circuit includes low-noise amplifier LNA and Filter, the RF transceiver connection
The input port of the output port of the LNA, the LNA connects the filter, filter connection the 2nd end T
Mouthful.
12. -11 described in any item multidiameter option switch according to claim 1, which is characterized in that 4 antennas include the
One antenna, the second antenna, third antenna and the 4th antenna, the first antenna, the second antenna, third antenna and 4th day described
Line is to support for the 5th generation newly eated dishes without rice or wine the antenna of 5G NR frequency range.
13. -11 described in any item multidiameter option switch according to claim 1, which is characterized in that 4 antennas include the
One antenna, the second antenna, third antenna and the 4th antenna, the first antenna and the 4th antenna are to support long term evolution
In LTE frequency range and the 5th generation, newly eat dishes without rice or wine the antenna of 5G NR frequency range, and second antenna and the third antenna are only to support 5G NR
The antenna of frequency range.
14. multidiameter option switch according to claim 13, which is characterized in that the antenna system further includes the first combining
Device and the second combiner, wherein the first port of first combiner is for connecting the first antenna, first combining
The second port of device is used to connect the first receiving path in the LTE 4x4 MIMO of the electronic equipment, first combiner
Third port for connecting the corresponding port P in the multidiameter option switch；The first port of second combiner is used for
The 4th antenna is connected, the second port of second combiner is used to connect in the LTE 4x4 MIMO of the electronic equipment
The second receiving path, the third port of second combiner is for connecting the corresponding port P in the multidiameter option switch.
15. multidiameter option switch according to claim 13, which is characterized in that the antenna system further includes the first hilted broadsword
Double-throw SPDT switch and the second SPDT switch, wherein the first port of first SPDT switch is for connecting described first day
Line, it is logical that the second port of first SPDT switch is used to connect the first reception in the LTE 4x4 MIMO of the electronic equipment
Road, the third port of first SPDT switch is for connecting the corresponding port P in the multidiameter option switch；Described second
For the first port of SPDT switch for connecting the 4th antenna, the second port of second SPDT switch is described for connecting
The third port of the second receiving path in the LTE 4x4 MIMO of electronic equipment, second SPDT switch is described for connecting
The corresponding port P in multidiameter option switch.
16. a kind of function control method, which is characterized in that be applied to electronic equipment, the electronic equipment includes antenna system, penetrates
Frequency circuit and multidiameter option switch, the multidiameter option switch include n T-port and 4 ports P, 7 T-port packets
1 the first T-port and 6 second T-ports are included, the electronic equipment supports single shot mode, each first T-port to connect described 4 entirely
A port P, each second T-port connect 2 ports P in 4 ports P, support the signal receiving function of similar frequency bands
The port P that is connected of multiple second T-ports cover 4 ports P, and be in 4 T-ports of signal reception state
In the port P that is connected of each T-port it is different；The described method includes:
The electronic equipment, which determines, executes preset function, and the preset function includes the first function and the second function, and described first
Function is to support to take turns hair between transmitting antenna by detection reference signal SRS, sends the function of 4 port SRS, second function
To support 4 antennas to receive the function of data simultaneously；
The electronic equipment is during enabling first function, the port the P tune that is currently occupied according to first function
Matching status between 3 T-ports in 4 T-ports that whole second function currently occupies and 4 ports P, it is described
3 T-ports are the T-port in 4 T-ports in addition to first T-port.
17. a kind of radio frequency system, which is characterized in that including antenna system, radio circuit and such as any one of claim 1-17
The multidiameter option switch；
The multidiameter option switch realizes the electronic equipment in frequency for connecting the radio circuit and the antenna system
Divide the preset function in multiplexing FDD standard, the preset function includes the first function and the second function, and first function is branch
It holds and takes turns hair between transmitting antenna by detection reference signal SRS, send the function of 4 port SRS, second function is support institute
It states 4 antennas while receiving the function of data.
18. a kind of wireless telecom equipment, which is characterized in that including antenna system, radio circuit and as claim 1-17 appoints
Multidiameter option switch described in one；
The multidiameter option switch realizes the electronic equipment in frequency for connecting the radio circuit and the antenna system
Divide the preset function in multiplexing FDD standard, the preset function includes the first function and the second function, and first function is branch
It holds and takes turns hair between transmitting antenna by detection reference signal SRS, send the function of 4 port SRS, second function is support institute
It states 4 antennas while receiving the function of data；
The wireless telecom equipment include at least it is following any one: electronic equipment, base station.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810713080.3A CN109039367B (en) | 2018-06-29 | 2018-06-29 | Multi-way selector switch and related products |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810713080.3A CN109039367B (en) | 2018-06-29 | 2018-06-29 | Multi-way selector switch and related products |
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| CN109039367B CN109039367B (en) | 2021-04-16 |
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| CN111756396A (en) * | 2020-07-15 | 2020-10-09 | 维沃移动通信有限公司 | Radio frequency circuit, electronic device, and control method |
| CN112018496A (en) * | 2019-05-31 | 2020-12-01 | 华为技术有限公司 | Antenna device, switch device and electronic equipment |
| CN112751587A (en) * | 2020-12-28 | 2021-05-04 | 北京小米移动软件有限公司 | Method and device for controlling path selection switch, terminal and storage medium |
| CN114640372A (en) * | 2020-12-16 | 2022-06-17 | Oppo广东移动通信有限公司 | Radio frequency PA Mid device, radio frequency transceiving system and communication equipment |
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| CN109039367B (en) | 2021-04-16 |
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