CN111327343A - Common receiving channel radio frequency device, method and mobile terminal - Google Patents
Common receiving channel radio frequency device, method and mobile terminal Download PDFInfo
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- CN111327343A CN111327343A CN202010152415.6A CN202010152415A CN111327343A CN 111327343 A CN111327343 A CN 111327343A CN 202010152415 A CN202010152415 A CN 202010152415A CN 111327343 A CN111327343 A CN 111327343A
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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
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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
- 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
- H04B1/50—Circuits using different frequencies for the two directions of communication
Abstract
The embodiment of the application discloses a common receiving channel radio frequency device, including: the radio frequency transceiver, the power amplifier, the duplexer and at least one filter; one end of the power amplifier is connected with the radio frequency transceiver, the other end of the power amplifier is respectively connected with one ends of the duplexer and the filter, and the other ends of the duplexer and the filter are respectively connected with the first antenna and the at least one second antenna; the radio frequency transceiver outputs a transmitting signal to the power amplifier, the power amplifier transmits a transmitting signal of a first frequency band to the duplexer, the power amplifier transmits a transmitting signal of a second frequency band to the filter, the duplexer transmits the transmitting signal of the first frequency band to the first antenna, the filter transmits the transmitting signal of the second frequency band to the second antenna, and the duplexer transmits a receiving signal of the first frequency band and a receiving signal of the second frequency band to the radio frequency transceiver. The duplexer in the radio frequency circuit is changed into the filter, so that the cost of the radio frequency circuit design is saved.
Description
Technical Field
The application relates to the technical field of mobile terminals, in particular to a common receiving channel radio frequency device, a common receiving channel radio frequency method and a mobile terminal.
Background
In the design of radio frequency circuits, a common version design includes inter-bands (bands refer to frequency bands available to a certain section of system), when a plurality of bands transmit radio frequency signals on different antennas respectively, the transmission frequencies are different but share the receiving frequency, and how to utilize the sharing receiving frequency of the plurality of bands to achieve the purpose of saving cost is a problem in the prior art that needs to be improved.
Disclosure of Invention
The embodiment of the application provides a common receiving channel radio frequency device, which changes an original duplexer in a radio frequency circuit into a filter.
An embodiment of the present application provides a common receive channel radio frequency device, including:
the radio frequency transceiver, the power amplifier, the duplexer and at least one filter;
one end of the power amplifier is connected with the radio frequency transceiver, the other end of the power amplifier is respectively connected with one ends of the duplexer and the filter, and the other ends of the duplexer and the filter are respectively connected with a first antenna and at least one second antenna;
the radio frequency transceiver outputs a transmitting signal to the power amplifier, the power amplifier transmits a transmitting signal of a first frequency band to the duplexer, the power amplifier transmits a transmitting signal of a second frequency band to the filter, the duplexer transmits the transmitting signal of the first frequency band to the first antenna, the filter transmits the transmitting signal of the second frequency band to the second antenna, and the duplexer transmits a receiving signal of the first frequency band and a receiving signal of the second frequency band to the radio frequency transceiver.
Optionally, in some embodiments of the present application, the transmission frequency of the first frequency band is different from the transmission frequency of the second frequency band, and the reception frequency of the first frequency band includes the reception frequency of the second frequency band.
Optionally, in some embodiments of the present application, the common receiving channel radio frequency device includes at least one set of the first frequency band and the second frequency band, where the set of the first frequency band and the second frequency band includes one of the first frequency band and at least one of the second frequency band.
Optionally, in some embodiments of the present application, the duplexer is connected to the first antenna through a first antenna switch, and the filter is connected to the second antenna through a second antenna switch.
Optionally, in some embodiments of the present application, the duplex mode of the common receive channel radio frequency device is frequency division duplex.
Correspondingly, an embodiment of the present application further provides a common receive channel radio frequency method, including:
outputting the transmission signal to a power amplifier;
transmitting a transmission signal of a first frequency band to a duplexer through the power amplifier, and transmitting a transmission signal of a second frequency band to at least one filter through the power transmitter;
the first antenna receives the transmission signal of the first frequency band, and the at least one second antenna receives the transmission signal of the second frequency band;
and transmitting the receiving signal of the first frequency band and the receiving signal of the second frequency band to a radio frequency transceiver through the duplexer.
Optionally, in some embodiments of the present application, the transmission frequency of the first frequency band is different from the transmission frequency of the second frequency band, and the reception frequency of the first frequency band includes the reception frequency of the second frequency band.
Optionally, in some embodiments of the present application, a set of the first frequency band and the second frequency band includes one of the first frequency band and at least one of the second frequency band.
In addition, an embodiment of the present application further provides a mobile terminal, including:
the power amplifier unit is used for receiving the transmitting signals transmitted by the radio frequency transceiver and respectively transmitting the transmitting signals of different frequency bands to the duplexer and the filter;
the duplexer unit is used for transmitting the received transmitting signal of the first frequency band to the first antenna and simultaneously sending the received receiving signals of the first frequency band and the second frequency band to the radio frequency transceiver;
and the filter unit is used for transmitting the received transmission signal of the second frequency band to the second antenna.
Optionally, in some embodiments of the present application, the mobile terminal includes the common receive channel radio frequency device.
The embodiment of the application discloses a common receiving channel radio frequency device, including: the radio frequency transceiver, the power amplifier, the duplexer and at least one filter; one end of the power amplifier is connected with the radio frequency transceiver, the other end of the power amplifier is respectively connected with one ends of the duplexer and the filter, and the other ends of the duplexer and the filter are respectively connected with a first antenna and at least one second antenna; the radio frequency transceiver outputs a transmitting signal to the power amplifier, the power amplifier transmits a transmitting signal of a first frequency band to the duplexer, the power amplifier transmits a transmitting signal of a second frequency band to the filter, the duplexer transmits the transmitting signal of the first frequency band to the first antenna, the filter transmits the transmitting signal of the second frequency band to the second antenna, and the duplexer transmits a receiving signal of the first frequency band and a receiving signal of the second frequency band to the radio frequency transceiver. The scheme utilizes different transmitting frequencies but the same receiving frequency among a plurality of frequency bands, and saves the cost of radio frequency circuit design by replacing the original duplexer in the circuit design with a filter.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic diagram of a common receive channel radio frequency device according to an embodiment of the present disclosure;
fig. 2 is a table of transmitting frequencies and receiving frequencies of two frequency bands provided by an embodiment of the present application;
fig. 3 is a schematic flowchart of a radio frequency method for a common receive channel according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a mobile terminal according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "first," "second," and the like in the description and claims of the present application and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The embodiment of the application provides a common receiving channel radio frequency device, which comprises a radio frequency transceiver, a power amplifier, a duplexer and at least one filter; one end of the power amplifier is connected with the radio frequency transceiver, the other end of the power amplifier is respectively connected with one ends of the duplexer and the filter, and the other ends of the duplexer and the filter are respectively connected with a first antenna and at least one second antenna; the radio frequency transceiver outputs a transmitting signal to the power amplifier, the power amplifier transmits a transmitting signal of a first frequency band to the duplexer, the power amplifier transmits a transmitting signal of a second frequency band to the filter, the duplexer transmits the transmitting signal of the first frequency band to the first antenna, the filter transmits the transmitting signal of the second frequency band to the second antenna, and the duplexer transmits a receiving signal of the first frequency band and a receiving signal of the second frequency band to the radio frequency transceiver.
The common receiving channel radio frequency device provided by the embodiment of the application can be applied to a mobile terminal, and the mobile terminal can be any terminal equipment including a mobile phone, a tablet computer, a Personal Digital Assistant (PDA), a point of sale (POS), a vehicle-mounted computer and the like.
Fig. 1 is a schematic diagram of a common receive channel radio frequency device according to an embodiment of the present disclosure. Referring to fig. 1, fig. 1 illustrates two frequency bands, in which the common receiving channel rf device includes an rf transceiver 101, a power amplifier 102, a duplexer 103, and a filter 104; one end of the power amplifier 102 is connected to the radio frequency transceiver 101, the other end of the power amplifier 102 is connected to one end of the duplexer 103 and one end of the filter 104, the duplexer 103 is connected to the first antenna 107 through the first antenna switch 105, and the filter 104 is connected to the second antenna 108 through the second antenna switch 106. The rf transceiver 101 outputs a transmission signal to the power amplifier 102, the power amplifier 102 transmits a transmission signal of a first frequency band to the duplexer 103, the power amplifier 102 transmits a transmission signal of a second frequency band to the filter 104, the duplexer 103 transmits the transmission signal of the first frequency band to the first antenna 107, the filter 104 transmits the transmission signal of the second frequency band to the second antenna 108, and the duplexer 103 transmits a receiving signal of the first frequency band and a receiving signal of the second frequency band to the rf transceiver 101.
The transmitting frequency of the first frequency band is different from the transmitting frequency of the second frequency band, and the receiving frequency of the first frequency band comprises the receiving frequency of the second frequency band. In the embodiment of the present application, a frequency band 1 and a frequency band 66 are taken as examples, that is, the first frequency band is the frequency band 66, and the second frequency band is the frequency band 1. Fig. 2 is a table of the transmitting frequency and the receiving frequency of the frequency band 1 and the frequency band 66, please refer to fig. 2, the uplink frequency range of the frequency band 1 is 1920MHz-1980MHz, and the downlink frequency range is 2110MHz-2170 MHz; the uplink frequency range of the frequency band 66 is 1710MHz-1780MHz, and the downlink frequency range is 2110MHz-2200 MHz. The uplink frequency is a receiving frequency of the base station or a transmitting frequency of the user equipment, and the downlink frequency is a transmitting frequency of the base station or a receiving frequency of the user equipment. The duplex mode of band 1 and band 66 is frequency division duplex. As can be seen from the table in fig. 2, the transmission frequencies in the frequency band 1 and the frequency band 66 are different, and the reception frequency (2110MHz to 2200MHz) in the frequency band 66 includes the reception frequency (2110MHz to 2170MHz) in the frequency band 1, so that the receiving circuit in the frequency band 1 can be designed into the receiving circuit in the frequency band 66.
In the embodiment of the present application, the transmission frequency and the reception frequency are not frequency values, but represent a frequency range. There are several situations when the receiving frequency of the first frequency band comprises the receiving frequency of the second frequency band: the receiving frequency of the first frequency band is the same as the receiving frequency of the second frequency band; the lowest value of the receiving frequency of the first frequency band is equal to the lowest value of the receiving frequency of the second frequency band, and the highest value of the receiving frequency of the first frequency band is greater than the highest value of the receiving frequency of the second frequency band; the lowest value of the receiving frequency of the first frequency band is smaller than the lowest value of the receiving frequency of the second frequency band, and the highest value of the receiving frequency of the first frequency band is equal to the highest value of the receiving frequency of the second frequency band; the lowest value of the receiving frequency of the first frequency band is smaller than the lowest value of the receiving frequency of the second frequency band, and the highest value of the receiving frequency of the first frequency band is larger than the highest value of the receiving frequency of the second frequency band.
Here, Frequency Division Duplex (FDD) means that uplink and downlink transmissions are performed on different frequencies. The duplexer can realize a common ANT end (antenna end), separate a transmitting signal from a receiving signal and ensure that both receiving and transmitting can work normally at the same time.
The antenna switch is opened only when the corresponding frequency band realizes communication, and performs signal transmission with the antenna connected correspondingly.
Optionally, in some implementation methods, when there are multiple frequency bands that respectively transmit radio frequency signals on different antennas and transmit different frequencies but share a common receiving frequency, the frequency band with the largest receiving frequency range is connected to the duplexer, and the remaining frequency bands are respectively connected to respective filters.
Optionally, in some implementation methods, when there are multiple frequency bands that transmit radio frequency signals on different antennas, there may be multiple groups of frequency bands with different transmitting frequencies but common receiving frequencies, and the frequency band with the largest receiving frequency range is connected to each duplexer, and the other frequency bands are connected to each filter. It should be noted that, in the present application, the number of the filters and the duplexers is not limited, and the filters and the duplexers are set according to the actual frequency band. In the common receiving frequency band radio frequency device provided in the embodiment of the present application, a plurality of groups of frequency bands with different transmitting frequencies but common receiving frequencies may be included; in a group of frequency bands with different transmitting frequencies but common receiving frequencies, the first frequency band is one, and the second frequency band can be one or more. The first frequency band and the second frequency band in the application do not refer to one frequency band but are a class of frequency bands defined in the application; under the condition that a group of transmitting frequencies are different and share a receiving frequency, the receiving frequency range is the first frequency band with the maximum, and the rest are the second frequency bands; in the case of multiple groups of transmitting frequencies with different common receiving frequencies, each group has a first frequency band and at least one second frequency band.
A common receive channel radio frequency method, comprising: outputting the transmission signal to a power amplifier; transmitting a transmission signal of a first frequency band to a duplexer through the power amplifier, and transmitting a transmission signal of a second frequency band to at least one filter through the power transmitter; the first antenna receives the transmission signal of the first frequency band, and the at least one second antenna receives the transmission signal of the second frequency band; and transmitting the receiving signal of the first frequency band and the receiving signal of the second frequency band to a radio frequency transceiver through the duplexer.
As shown in fig. 3, the specific flow of the method may be as follows:
301. and outputting the transmission signal to a power amplifier.
For example, a radio frequency transceiver is connected to a power amplifier, and the radio frequency transceiver outputs a transmission signal to the power amplifier.
302. Transmitting a transmission signal of a first frequency band to a duplexer through the power amplifier, and transmitting a transmission signal of a second frequency band to at least one filter through the power transmitter.
For example, the power amplifier is connected to the duplexer and the filter, and the power amplifier transmits the transmission signal of the first frequency band and the transmission signal of the second frequency band to the duplexer and the filter, respectively.
The transmitting frequencies of the first frequency band and the second frequency band are different, and the receiving frequency of the first frequency band comprises the receiving frequency of the second frequency band. In a group of frequency bands with different transmitting frequencies but common receiving frequencies, the first frequency band is one, and the second frequency band is at least one. The method can be simultaneously applied to a plurality of groups of frequency bands with different transmitting frequencies but common receiving frequencies.
The number of the filters is the same as that of the second frequency band, and the number of the duplexers is the same as that of the first frequency band.
303. The first antenna receives the transmission signal of the first frequency band, and the at least one second antenna receives the transmission signal of the second frequency band.
For example, the duplexer is connected to the first antenna, the filter is connected to the second antenna, the duplexer transmits the transmission signal of the first frequency band to the first antenna, and the filter transmits the transmission signal of the second frequency band to the second frequency band.
The number of the first antennas is the same as that of the duplexers, and the number of the second antennas is the same as that of the filters.
304. And transmitting the receiving signal of the first frequency band and the receiving signal of the second frequency band to a radio frequency transceiver through the duplexer.
For example, the duplexer transmits a reception signal of the first frequency band and a reception signal of the second frequency band to the radio frequency transceiver. The duplexer may receive a transmission signal of the first frequency band, perform transmission and reception of signals with the first antenna, and may send a received signal received by the duplexer to the radio frequency transceiver.
The common receiving channel radio frequency device provided by the embodiment of the application can be applied to a mobile terminal, and the mobile terminal provided by the embodiment of the application comprises a power amplifier unit, a duplexer unit and a filter unit.
(1) Power amplifier unit
And the power amplifier unit is used for receiving the transmitting signals transmitted by the radio frequency transceiver and respectively transmitting the transmitting signals of different frequency bands to the duplexer and the filter.
For example, one end of the power amplifier is connected to the rf transceiver, the other end of the power amplifier is connected to the filter and the duplexer, the rf transceiver sends the transmit signal to the power amplifier, the power amplifier transmits the transmit signal of the first frequency band to the duplexer, and transmits the transmit signal of the second frequency band to the filter.
(2) Duplexer unit
And the duplexer unit is used for transmitting the received transmitting signal of the first frequency band to the first antenna and simultaneously sending the received receiving signals of the first frequency band and the second frequency band to the radio frequency transceiver.
For example, the duplexer unit is all duplexers of the common receiving channel radio frequency device. In a group of frequency bands with different transmitting frequencies but common receiving frequencies, there is only one first frequency band, i.e. there is only one duplexer. If there are multiple groups of frequency bands with different transmitting frequencies but common receiving frequency for communication, there are also multiple duplexers. One end of the duplexer is connected with the power amplifier, and the other end of the duplexer is connected with the first antenna through the antenna switch.
(3) Filter unit
And the filter unit is used for transmitting the received transmission signal of the second frequency band to the second antenna.
For example, the filter unit is all filters of the common receive channel radio frequency device. At least one second frequency band is included in a set of frequency bands with different transmission frequencies but common reception frequencies, i.e. at least one duplexer is included. The number of duplexers is the same as the number of second frequency bands. One end of the filter is connected with the power amplifier, and the other end of the filter is connected with the second antenna through the antenna switch.
Accordingly, as shown in fig. 4, the mobile terminal may include a Radio Frequency (RF) circuit 401, a memory 402 including one or more computer-readable storage media, an input unit 403, a display unit 404, a sensor 405, an audio circuit 406, a wireless fidelity (WiFi) module 407, a processor 408 including one or more processing cores, and a power supply 409. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 4 is not intended to be limiting of mobile terminals and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components. Wherein:
the RF circuit 401 may be used for receiving and transmitting signals during a message transmission or communication process, and in particular, for receiving downlink information of a base station and then sending the received downlink information to the one or more processors 408 for processing; in addition, data relating to uplink is transmitted to the base station. In general, the RF circuitry 401 includes, but is not limited to, an antenna, at least one Amplifier, a tuner, one or more oscillators, a Subscriber Identity Module (SIM) card, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like. In addition, the RF circuitry 401 may also communicate with networks and other devices via wireless communications. The wireless communication may use any communication standard or protocol, including but not limited to Global System for Mobile communications (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), email, Short Message Service (SMS), and the like.
The RF circuit 401 in the common receive channel RF apparatus provided in the embodiment of the present application includes a radio transceiver, a power amplifier, a duplexer, and at least one filter.
The memory 402 may be used to store software programs and modules, and the processor 408 executes various functional applications and data processing by operating the software programs and modules stored in the memory 402. The memory 402 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the mobile terminal, and the like. Further, the memory 402 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device. Accordingly, the memory 402 may also include a memory controller to provide the processor 408 and the input unit 403 access to the memory 402.
The input unit 403 may be used to receive input numeric or character information and generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control. In particular, in a particular embodiment, the input unit 403 may include a touch-sensitive surface as well as other input devices. The touch-sensitive surface, also referred to as a touch display screen or a touch pad, may collect touch operations by a user (e.g., operations by a user on or near the touch-sensitive surface using a finger, a stylus, or any other suitable object or attachment) thereon or nearby, and drive the corresponding connection device according to a predetermined program. Alternatively, the touch sensitive surface may comprise two parts, a touch detection means and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts it to touch point coordinates, and sends the touch point coordinates to the processor 408, and can receive and execute commands from the processor 408. In addition, touch sensitive surfaces may be implemented using various types of resistive, capacitive, infrared, and surface acoustic waves. The input unit 403 may include other input devices in addition to the touch-sensitive surface. In particular, other input devices may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.
The display unit 404 may be used to display information input by or provided to the user and various graphical user interfaces of the terminal, which may be made up of graphics, text, icons, video, and any combination thereof. The Display unit 404 may include a Display panel, and optionally, the Display panel may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like. Further, the touch-sensitive surface may overlay the display panel, and when a touch operation is detected on or near the touch-sensitive surface, the touch operation is transmitted to the processor 408 to determine the type of touch event, and then the processor 408 provides a corresponding visual output on the display panel according to the type of touch event. Although in FIG. 4 the touch-sensitive surface and the display panel are shown as two separate components to implement input and output functions, in some embodiments the touch-sensitive surface may be integrated with the display panel to implement input and output functions.
The mobile terminal may also include at least one sensor 405, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor that may adjust the brightness of the display panel according to the brightness of ambient light, and a proximity sensor that may turn off the display panel and/or the backlight when the terminal is moved to the ear. As one of the motion sensors, the gravity acceleration sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when the mobile phone is stationary, and can be used for applications of recognizing the posture of the mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured in the terminal, detailed description is omitted here.
WiFi belongs to short distance wireless transmission technology, and the mobile terminal can help the user to send and receive e-mail, browse web page and access streaming media etc. through WiFi module 407, it provides wireless broadband internet access for the user. Although fig. 4 shows the WiFi module 407, it is understood that it does not belong to the essential constitution of the mobile terminal, and may be omitted entirely as needed within the scope not changing the essence of the invention.
The processor 408 is a control center of the mobile terminal, connects various parts of the entire mobile phone using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 402 and calling data stored in the memory 402, thereby integrally monitoring the mobile phone. Optionally, processor 408 may include one or more processing cores; preferably, the processor 408 may integrate an application processor, which handles primarily the operating system, user interface, applications, etc., and a modem processor, which handles primarily the wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 408.
The mobile terminal also includes a power supply 409 (e.g., a battery) for powering the various components, which may preferably be logically coupled to the processor 408 via a power management system that may be configured to manage charging, discharging, and power consumption. The power supply 409 may also include any component of one or more dc or ac power sources, recharging systems, power failure detection circuitry, power converters or inverters, power status indicators, and the like.
Although not shown, the mobile terminal may further include a camera, a bluetooth module, and the like, which will not be described herein. Specifically, in this embodiment, the processor 408 in the mobile terminal loads the executable file corresponding to the process of one or more application programs into the memory 402 according to the following instructions, and the processor 408 runs the application programs stored in the memory 402, thereby implementing various functions.
The foregoing describes in detail a common receive channel radio frequency device, a method, and a mobile terminal provided in an embodiment of the present application, and a specific example is applied in the present application to explain the principle and the implementation of the present application, and the description of the foregoing embodiment is only used to help understand the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A common receive channel radio frequency device, comprising:
the radio frequency transceiver, the power amplifier, the duplexer and at least one filter;
one end of the power amplifier is connected with the radio frequency transceiver, the other end of the power amplifier is respectively connected with one ends of the duplexer and the filter, and the other ends of the duplexer and the filter are respectively connected with a first antenna and at least one second antenna;
the radio frequency transceiver outputs a transmitting signal to the power amplifier, the power amplifier transmits a transmitting signal of a first frequency band to the duplexer, the power amplifier transmits a transmitting signal of a second frequency band to the filter, the duplexer transmits the transmitting signal of the first frequency band to the first antenna, the filter transmits the transmitting signal of the second frequency band to the second antenna, and the duplexer transmits a receiving signal of the first frequency band and a receiving signal of the second frequency band to the radio frequency transceiver.
2. The common receive channel radio frequency device of claim 1, wherein the transmit frequency of the first band is different from the transmit frequency of the second band, and the receive frequency of the first band comprises the receive frequency of the second band.
3. The common receive channel radio frequency device of claim 1, wherein the common receive channel radio frequency device comprises at least one set of the first frequency band and the second frequency band, wherein the set of the first frequency band and the second frequency band comprises one of the first frequency band and at least one of the second frequency band.
4. A common receive channel rf device as in claim 1, wherein the duplexer is connected to the first antenna through a first antenna switch, and the filter is connected to the second antenna through a second antenna switch.
5. The common receive channel radio frequency device of claim 1, wherein the duplex mode of the common receive channel radio frequency device is frequency division duplex.
6. A common receive channel radio frequency method, comprising:
outputting the transmission signal to a power amplifier;
transmitting a transmission signal of a first frequency band to a duplexer through the power amplifier, and transmitting a transmission signal of a second frequency band to at least one filter through the power transmitter;
the first antenna receives the transmission signal of the first frequency band, and the at least one second antenna receives the transmission signal of the second frequency band;
and transmitting the receiving signal of the first frequency band and the receiving signal of the second frequency band to a radio frequency transceiver through the duplexer.
7. The common receive channel radio frequency method of claim 6, wherein the transmit frequency of the first band is different from the transmit frequency of the second band, and the receive frequency of the first band comprises the receive frequency of the second band.
8. The common receive channel radio frequency method of claim 6, wherein a set of the first frequency band and the second frequency band comprises one of the first frequency band and at least one of the second frequency band.
9. A mobile terminal, comprising:
the power amplifier unit is used for receiving the transmitting signals transmitted by the radio frequency transceiver and respectively transmitting the transmitting signals of different frequency bands to the duplexer and the filter;
the duplexer unit is used for transmitting the received transmitting signal of the first frequency band to the first antenna and simultaneously sending the received receiving signals of the first frequency band and the second frequency band to the radio frequency transceiver;
and the filter unit is used for transmitting the received transmission signal of the second frequency band to the second antenna.
10. The mobile terminal according to claim 9, characterized by comprising the common receive channel radio frequency device according to claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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