CN213243992U - Communication circuit and mobile terminal - Google Patents

Abstract

The application discloses a communication circuit and a mobile terminal, wherein the communication circuit comprises a first antenna, a frequency division switch, a first communication circuit and a second communication circuit, and the frequency division switch is used for controlling the first antenna and the first communication circuit to transmit wireless network signals; and/or, the antenna is used for controlling the transmission of radio frequency signals between the first antenna and the second communication circuit, and through the design of the common antenna, the mobile terminal can complete the transmission and reception of wireless network signals and radio frequency signals without arranging a plurality of antennas, thereby solving the problems that in the prior art, the WCN antenna needs to design an independent antenna clearance area, which results in complex design and increased cost.

Description

Communication circuit and mobile terminal

Technical Field

The present application relates to the field of mobile terminal technologies, and in particular, to a communication circuit and a mobile terminal.

Background

A WCN (Wireless Connectivity Network) antenna and a RF (Radio Frequency) main antenna are disposed on an existing 3G terminal device, the WCN antenna is configured to receive and transmit Wireless Network signals and perform bidirectional communication with a WCN circuit, the RF main antenna is configured to receive and transmit Radio Frequency signals and perform bidirectional communication with a Radio Frequency transceiver module, as shown in fig. 1, fig. 1 is an antenna layout manner of the 3G terminal, where the WCN antenna and the RF main antenna both need an antenna clear area.

Compared with 3G terminal equipment, the 4G terminal equipment further comprises a diversity antenna, as shown in fig. 2, fig. 2 is a layout mode of the 4G terminal antenna, that is, on the existing 4G terminal equipment, the terminal equipment comprises three antennas, namely a main set antenna, a diversity antenna and a WCN antenna, the main set antenna is responsible for sending and receiving radio frequency signals, the diversity antenna only receives and does not send the radio frequency signals, a main chip of the terminal equipment combines signals received from the two antennas, so that diversity gain is obtained, and the main chip of the terminal equipment selects a path of best signal to demodulate through a decision device.

In the two designs of WCN (Wireless Connectivity Network) antennas, separate antenna headroom regions are required, and the increased headroom of the mobile terminal results in complicated design and increased cost.

The foregoing description is provided for general background information and is not admitted to be prior art.

SUMMERY OF THE UTILITY MODEL

The application mainly aims to provide a communication circuit, and aims to solve the problems that in the prior art, a WCN antenna needs to be provided with a single antenna clearance area, so that the design is complex and the cost is increased.

The application provides a communication circuit, which is used for a mobile terminal and comprises a first antenna, a frequency division switch, a first communication circuit and a second communication circuit;

the frequency dividing switch is electrically connected with the first antenna, the first communication circuit and the second communication circuit respectively, and the first communication circuit and the second communication circuit are also electrically connected with a main chip of the mobile terminal respectively;

the frequency dividing switch is used for controlling the first antenna and the first communication circuit to transmit wireless network signals; and/or, the first antenna is used for controlling the transmission of radio frequency signals between the first antenna and the second communication circuit.

Optionally, the first communication circuit includes at least one of a GPS module, a wifi module, and a bluetooth module.

Optionally, at least one of the GPS module, the wifi module and the bluetooth module is connected between the frequency divider and the main chip.

Optionally, the first communication circuit comprises the GPS module, the wifi module and the bluetooth module, and the GPS module, the wifi module and the bluetooth module are respectively connected between the frequency division switch and the main chip.

Optionally, the second communication circuit includes a radio frequency transceiver module, and the radio frequency transceiver module is electrically connected to the frequency dividing switch and the main chip, respectively.

The application also provides a communication circuit for the mobile terminal, wherein the communication circuit comprises a main antenna, a diversity antenna, a first communication circuit and a second communication circuit;

the first communication circuit is electrically connected with the main antenna and the main chip of the mobile terminal respectively, and the second communication circuit is electrically connected with the diversity antenna and the main chip of the mobile terminal respectively;

at least one antenna of the main set antenna and the diversity antenna is used for receiving and/or transmitting wireless network signals;

at least one communication circuit in the first communication circuit and the second communication circuit comprises at least one of a frequency division switch and a GPS module, a wifi module or a Bluetooth module.

Optionally, the first communication circuit includes a frequency division switch, a radio frequency transceiver module, and at least one of a GPS module, a wifi module, or a bluetooth module; and/or the second communication circuit comprises a radio frequency receiving module;

the frequency division switch is respectively and electrically connected with a main antenna, the radio frequency transceiver module and at least one of the GPS module, the wifi module or the Bluetooth module; and/or at least one of the GPS module, the wifi module or the Bluetooth module and the radio frequency transceiver module are also electrically connected with the main chip respectively;

the radio frequency receiving module is electrically connected with the diversity antenna and the main chip respectively.

Optionally, the first communication circuit includes a radio frequency transceiver module; and/or the second communication circuit comprises a frequency division switch, a radio frequency receiving module and at least one of a GPS module, a wifi module or a Bluetooth module;

the radio frequency transceiver module is electrically connected with the main antenna and the main chip respectively;

the frequency division switch is respectively and electrically connected with a diversity antenna, the radio frequency receiving module and at least one of the GPS module, the wifi module or the Bluetooth module; and/or, the GPS module, the wifi module or at least one of the bluetooth modules and the radio frequency receiving module are also respectively electrically connected with the main chip.

Optionally, the first communication circuit includes a first frequency-division switch, a radio frequency transceiver module, and at least one of a first GPS module, a first wifi module, or a first bluetooth module; and/or the second communication circuit comprises at least one of a second frequency division switch, a radio frequency receiving module, a second GPS module, a second wifi module or a second Bluetooth module;

the first frequency-division switch is electrically connected with at least one of the first GPS module, the first wifi module or the first Bluetooth module, the main set antenna and the radio frequency transceiver module respectively; and/or at least one of the first GPS module, the first wifi module or the first Bluetooth module and the radio frequency transceiver module are also electrically connected with the main chip respectively;

the second frequency dividing switch is electrically connected with at least one of the second GPS module, the second wifi module or the second Bluetooth module, the diversity antenna and the radio frequency receiving module respectively; and/or, the second GPS module, the second wifi module or at least one of the second Bluetooth modules and the radio frequency receiving module are also respectively electrically connected with the main chip.

Optionally, the communication circuit further comprises a filter circuit, the filter circuit comprising a radio frequency filter for filtering the radio frequency signal, including at least one of: the GPS filter is used for filtering the GPS signal, the Bluetooth filter is used for filtering the Bluetooth signal, and the wifi filter is used for filtering the wifi signal;

the radio frequency filter is connected between the corresponding frequency division switch and the radio frequency transceiving module; and/or the GPS filter is connected between the corresponding frequency division switch and the GPS module; and/or the Bluetooth filter is connected between the corresponding frequency division switch and the Bluetooth module; and/or the wifi filter is connected between the corresponding frequency division switch and the wifi module.

The application also provides a mobile terminal, which comprises at least one communication circuit.

According to the technical scheme, the communication circuit is composed of the first antenna, the frequency division switch, the first communication circuit and the second communication circuit, the frequency division switch is used for controlling the transmission of wireless network signals between the first antenna and the first communication circuit and controlling the transmission of radio frequency signals between the first antenna and the second communication circuit, through the design of the common antenna, the mobile terminal can complete the transmission and the reception of the wireless network signals and the radio frequency signals without arranging a plurality of antennas, the problem that in the prior art, the WCN antenna needs to design an independent antenna clearance area, and the design is complex and the cost is increased is solved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic diagram of an antenna structure of a 3G terminal device in the prior art;

fig. 2 is a schematic diagram of an antenna structure of a 4G terminal device in the prior art;

FIG. 3 is a block diagram of a first embodiment of a communication circuit of the present application;

FIG. 4 is a block diagram of a second embodiment of the communication circuit of the present application;

FIG. 5 is a block diagram of a communication circuit according to a third embodiment of the present invention;

FIG. 6 is a block diagram of a fourth embodiment of the communication circuit of the present application;

FIG. 7 is a block diagram of a fifth embodiment of the communication circuit of the present application;

FIG. 8 is a block diagram of a sixth embodiment of a communication circuit of the present application;

fig. 9 is a schematic hardware structure diagram of a mobile terminal implementing various embodiments of the present application;

fig. 10 is a communication network system architecture diagram according to an embodiment of the present application.

The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings. With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the recitation of an element by the phrase "comprising an … …" does not exclude the presence of additional like elements in the process, method, article, or apparatus that comprises the element, and further, where similarly-named elements, features, or elements in different embodiments of the disclosure may have the same meaning, or may have different meanings, that particular meaning should be determined by their interpretation in the embodiment or further by context with the embodiment.

It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope herein. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context. Also, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes" and/or "including," when used in this specification, specify the presence of stated features, steps, operations, elements, components, items, species, and/or groups, but do not preclude the presence, or addition of one or more other features, steps, operations, elements, components, species, and/or groups thereof. The terms "or," "and/or," "including at least one of the following," and the like, as used herein, are to be construed as inclusive or mean any one or any combination. For example, "includes at least one of: A. b, C "means" any of the following: a; b; c; a and B; a and C; b and C; a and B and C ", again for example," A, B or C "or" A, B and/or C "means" any of the following: a; b; c; a and B; a and C; b and C; a and B and C'. An exception to this definition will occur only when a combination of elements, functions, steps or operations are inherently mutually exclusive in some way.

It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for the convenience of description of the present application, and have no specific meaning in themselves. Thus, "module", "component" or "unit" may be used mixedly.

The mobile terminal may be implemented in various forms. For example, the mobile terminal described in the present application may include mobile terminals such as a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, a pedometer, and the like, and fixed terminals such as a Digital TV, a desktop computer, and the like.

The following description will be given taking a mobile terminal as an example, and it will be understood by those skilled in the art that the configuration according to the embodiment of the present application can be applied to a fixed type terminal in addition to elements particularly used for mobile purposes.

The present application provides a communication circuit 100 for a mobile terminal.

As shown in fig. 3, in the first embodiment, the communication circuit 100 includes a first antenna 10, a frequency divider switch 20, a first communication circuit 30, and a second communication circuit 40;

the frequency dividing switch 20 is electrically connected to the first antenna 10, the first communication circuit 30 and the second communication circuit 40, respectively, and the first communication circuit 30 and the second communication circuit 40 are also electrically connected to the main chip 200 of the mobile terminal, respectively;

the frequency divider 20 is used for controlling the wireless network signal transmission between the first antenna 10 and the first communication circuit 30, and for controlling the radio frequency signal transmission between the first antenna 10 and the second communication circuit 40.

In this embodiment, the mobile terminal is a 3G terminal device, the original 3G terminal device is provided with a WCN antenna and a RF (Radio Frequency) main antenna, the WCN antenna is used for receiving and transmitting wireless network signals and performing bidirectional communication with a WCN circuit, the RF main antenna is used for receiving and transmitting Radio Frequency signals and performing bidirectional communication with the Radio Frequency transceiver module 41, and both the WCN antenna and the RF main antenna require an antenna clear area, which results in complicated design and increased cost.

In this embodiment, only one antenna, i.e., the first antenna 10, is disposed on the 3G terminal device, and an antenna clearance area required by the WCN antenna and the WCN antenna is not required to be designed, so as to simplify the structural design of the mobile terminal and reduce the design cost, the first antenna 10 simultaneously transmits a wireless network signal and a radio frequency signal, the wireless network signal includes at least one of a wifi signal, a bluetooth signal and a GPS signal, correspondingly, the first communication circuit 30 includes at least one of a GPS module 32, a wifi module 31 and a bluetooth module 33, at least one of the GPS module 32, the wifi module 31 and the bluetooth module 33 is connected between the frequency dividing switch 20 and the main chip 200, when the first antenna 10 receives the electromagnetic wave signal, the electromagnetic wave signal is subjected to frequency dividing processing according to a preset frequency band interval to obtain the wireless network signal and/or the radio frequency signal, and the obtained wireless network signal is sent to the first communication circuit 30 and the radio frequency signal is sent to the second communication circuit 200 The communication circuit 40, the first communication circuit 30 and the second communication circuit 40 output the wireless network signal and the radio frequency signal to the main chip 200 of the mobile terminal after signal processing, and the main chip 200 obtains corresponding information in the wireless network signal and the radio frequency signal, for example, data is transmitted through the bluetooth module 33, audio and video data is transmitted through the wifi module 31, global positioning is performed through the GPS module 32, and the like.

The second communication circuit 40 is configured to transmit and process a radio frequency signal, in an embodiment, the second communication circuit 40 includes a radio frequency transceiver module 41, the radio frequency transceiver module 41 is electrically connected to the frequency divider 20 and the main chip 200, the radio frequency transceiver module 41 can transmit and receive the radio frequency signal, it should be noted that the GPS module 32, the wifi module 31, the bluetooth module 33, and the radio frequency transceiver module 41 are conventional modules, and a specific working principle is not described in detail herein.

Meanwhile, the main chip 200 also transmits corresponding wireless network signals and radio frequency signals through the first communication circuit 30 and the second communication circuit 40, and converts the wireless network signals and the radio frequency signals into electromagnetic wave signals through the first antenna 10 for transmission.

The frequency divider 20 may be a frequency divider, and when the first antenna 10 receives the electromagnetic wave signal, the frequency divider performs frequency division processing on frequencies of different signals to output corresponding wireless network signals and radio frequency signals, and when the first communication circuit 30 and the second communication circuit 40 feed back corresponding wireless network signals and radio frequency signals, the signals are correspondingly sent to the first antenna 10.

According to the technical scheme, the communication circuit 100 is composed of the first antenna 10, the frequency dividing switch 20, the first communication circuit 30 and the second communication circuit 40, the frequency dividing switch 20 is used for controlling wireless network signals to be transmitted between the first antenna 10 and the first communication circuit 30 and controlling radio frequency signals to be transmitted between the first antenna 10 and the second communication circuit 40, through the common antenna design, the mobile terminal can complete sending and receiving of the wireless network signals and the radio frequency signals without arranging a plurality of antennas, and the problems that in the prior art, the WCN antenna needs to be designed with an independent antenna clearance area, and design is complex and cost is increased are solved.

As shown in fig. 4, in the second embodiment, in order to improve the diversity of the mobile terminal, the first communication circuit 30 includes a GPS module 32, a wifi module 31 and a bluetooth module 33, and the GPS module 32, the wifi module 31 and the bluetooth module 33 are respectively connected between the frequency divider switch 20 and the main chip 200.

In this embodiment, when the first antenna 10 receives the electromagnetic wave signal, the frequency division processing is performed on the electromagnetic wave signal to obtain a corresponding wifi signal, a bluetooth signal and a GPS signal, and when the user starts the wifi module 31, the bluetooth module 33 or the GPS module 32 on the mobile terminal, the main chip 200 may perform signal transmission or global positioning according to the obtained wifi signal, the bluetooth signal and the GPS signal.

In one embodiment, in order to avoid the signals from being interfered by the outside and the interference signals from entering the functional modules, a filter circuit (not shown) is further disposed between the frequency divider and each module, the filter circuit includes a radio frequency filter for filtering the radio frequency signal, a GPS filter for filtering the GPS signal, a bluetooth filter for filtering the bluetooth signal, and a wifi filter for filtering the wifi signal, the radio frequency filter is connected between the frequency divider 20 and the radio frequency transceiver module 41, the GPS filter is connected between the frequency divider 20 and the GPS module 32, the bluetooth filter is connected between the frequency divider 20 and the bluetooth module 33, the wifi filter is connected between the frequency divider 20 and the wifi module 31, each filter may employ a filter circuit composed of a resistor, an inductor, or a capacitor, further, since the frequency bands of the wifi signal and the bluetooth signal are the same, the same filter can be adopted, and only the wifi filter needs to be designed, so that the design cost and the size of the mobile terminal can be simplified, and the wifi filter is specifically selected according to the requirement.

The present application further proposes a communication circuit 100 for a mobile terminal.

As shown in fig. 5, in the third embodiment, the communication circuit 100 includes a main set antenna 50, a diversity antenna 60, a first communication circuit 30, and a second communication circuit 40;

the first communication circuit 30 is electrically connected with the main antenna 50 and the main chip 200 of the mobile terminal, respectively, and the second communication circuit 40 is electrically connected with the diversity antenna 60 and the main chip 200 of the mobile terminal, respectively;

a main antenna 50 for transmitting and receiving radio frequency signals to and from the first communication circuit 30;

a diversity antenna 60 for receiving the rf signal and transmitting it to the second communication circuit 40;

a first communication circuit 30 for performing bidirectional communication of radio frequency signals with the main chip 200;

a second communication circuit 40 for performing unidirectional communication of the radio frequency signal with the main chip 200;

the first communication circuit 30 includes a radio frequency transceiver module 41, and the second communication circuit 40 includes a radio frequency receiver module 42; wherein,

at least one of the main set antenna 50 and the diversity antenna 60 is also used for receiving and/or transmitting wireless network signals;

at least one of the first communication circuit 30 and the second communication circuit 40 includes the frequency divider 20 and at least one of the GPS module 32, the wifi module 31, or the bluetooth module 33.

In this embodiment, the mobile terminal is a 4G terminal device, and the 4G terminal device further includes a diversity antenna 60 compared with a 3G terminal device, that is, in the existing 4G terminal device, the mobile terminal device includes three antennas, namely a main set antenna 50, a diversity antenna 60, and a WCN antenna, the main set antenna 50 is responsible for transmitting and receiving radio frequency signals, the diversity antenna 60 only receives and does not transmit radio frequency signals, the main chip 200 combines signals received from the two antennas, thereby obtaining diversity gain, and the main chip 200 selects a best signal for demodulation through the decision device.

In this embodiment, the mobile terminal is only provided with the main antenna 50 and the diversity antenna 60, the main antenna 50 is responsible for receiving and transmitting radio frequency signals and communicating with the radio frequency transceiver module 41 in the first communication circuit 30, the diversity antenna 60 is responsible for receiving radio frequency signals and communicating with the radio frequency receiver module 42 in the second communication circuit 40, wireless network signals can be transmitted and/or received through at least one of the main antenna 50 or the diversity antenna 60, and at least one of the first communication circuit 30 and the second communication circuit 40 is further provided with a corresponding wireless network circuit, that is, at least one of the GPS module 32, the wifi module 31 and the bluetooth module 33 and the frequency dividing switch 20 are further included, electromagnetic wave signals acquired by the acquired antenna are divided by the frequency dividing switch 20 and output to the corresponding module, so as to save the WCN antenna structure, antenna clearance areas needed by the WCN antenna and the WCN antenna are not needed to be designed, the structural design of the mobile terminal is simplified, and the design cost is reduced.

Optionally, the following three embodiments are included according to different transmission modes of wireless network signals at the main set antenna 50 and the diversity antenna 60.

As shown in fig. 6, in the fourth embodiment, the first communication circuit 30 includes a frequency dividing switch 20, a radio frequency transceiver module 41 and at least one of a GPS module 32, a wifi module 31 and a bluetooth module 33, and the second communication circuit 40 includes a radio frequency receiving module 42;

the frequency dividing switch 20 is electrically connected with the main antenna 50, the radio frequency transceiver module 41 and at least one of the GPS module 32, the wifi module 31 or the bluetooth module 33, and at least one of the GPS module 32, the wifi module 31 or the bluetooth module 33 and the radio frequency transceiver module 41 are also electrically connected with the main chip 200;

the rf receiving module 42 is electrically connected to the diversity antenna 60 and the main chip 200, respectively.

In this embodiment, the main antenna 50 and the corresponding first communication circuit 30 are responsible for sending and/or receiving wireless network signals and radio frequency signals, the diversity antenna 60 only receives radio frequency signals, the frequency dividing switch 20 disposed in the first communication circuit 30 divides the frequency of the acquired electromagnetic wave signals to obtain wifi signals, bluetooth signals, GPS signals and radio frequency signals, and outputs the wifi signals, bluetooth signals, GPS signals and radio frequency signals to the corresponding communication module and radio frequency transceiver module 41 in the wifi module 31, bluetooth module 33 or GPS module 32, and the modules and the main chip 200 transmit corresponding signals.

As shown in fig. 7, in the fifth embodiment, the first communication circuit 30 includes a radio frequency transceiver module 41, the second communication circuit 40 includes a frequency dividing switch 20, a radio frequency receiving module 42, and at least one of the GPS module 32, the wifi module 31 or the bluetooth module 33;

the rf transceiver module 41 is electrically connected to the main antenna 50 and the main chip 200 respectively;

the frequency dividing switch is electrically connected with the diversity antenna 60, the radio frequency receiving module 42, and at least one of the GPS module 32, the wifi module 31, or the bluetooth module 33, and the at least one of the GPS module 32, the wifi module 31, or the bluetooth module 33 and the radio frequency receiving module 42 are also electrically connected with the main chip 200.

In this embodiment, the main antenna 50 and the corresponding first communication circuit 30 are only responsible for sending and receiving radio frequency signals, the diversity antenna 60 sends and receives wireless network signals and receives radio frequency signals, the frequency dividing switch 20 disposed in the second communication circuit 40 divides the frequency of the acquired electromagnetic wave signals to obtain wifi signals, bluetooth signals, GPS signals and radio frequency signals, and outputs the wifi signals, bluetooth signals, GPS signals and radio frequency signals to the corresponding wifi module 31, bluetooth module 33, GPS module 32 and radio frequency transceiver module 41, and the transmission of corresponding signals is performed between each module and the main chip 200.

As shown in fig. 8, in the sixth embodiment, the first communication circuit 30 includes a first frequency-dividing switch 34, a radio frequency transceiver module 41, and at least one of a first GPS module 36, a first wifi module 35, or a first bluetooth module 37, and the second communication circuit 40 includes a second frequency-dividing switch 43, a radio frequency receiving module 42, and at least one of a second GPS module 45, a second wifi module 44, or a second bluetooth module 46;

the first frequency-dividing switch 34 is electrically connected to at least one of the first GPS module 36, the first wifi module 35 or the first bluetooth module 37, the main antenna 50 and the rf transceiver module 41, and the at least one of the first GPS module 36, the first wifi module 35 or the first bluetooth module 37 and the rf transceiver module 41 are also electrically connected to the main chip 200;

the second frequency-dividing switch 43 is electrically connected to at least one of the second GPS module 45, the second wifi module 44 or the second bluetooth module 46, the diversity antenna 60 and the rf receiving module 42, and at least one of the second GPS module 45, the second wifi module 44 or the second bluetooth module 46 and the rf receiving module 42 are also electrically connected to the main chip 200.

In this embodiment, the main antenna 50 and the diversity antenna 60 transmit wireless network signals simultaneously, the main antenna 50 and the corresponding first communication circuit 30 transmit and/or receive wireless network signals and radio frequency signals, the first frequency-division switch 34 disposed in the first communication circuit 30 divides frequency of the acquired electromagnetic wave signals to acquire wifi signals, bluetooth signals, GPS signals and radio frequency signals, and outputs the signals to the corresponding first wifi module 35, first bluetooth module 37, GPS module 36 and radio frequency transceiver module 41, and the signals are transmitted between the modules and the main chip 200.

Optionally, the diversity antenna 60 sends and receives wireless network signals and receives radio frequency signals, the second frequency dividing switch 43 disposed in the second communication circuit 40 divides the frequency of the acquired electromagnetic wave signals to obtain wifi signals, bluetooth signals, GPS signals and radio frequency signals, and outputs the wifi signals, bluetooth signals, GPS signals and radio frequency signals to the corresponding second wifi module 44, bluetooth module 46, GPS module 45 and radio frequency receiving module 42, and the WCN antenna is combined with the main diversity antenna 60 respectively to implement the function of enhancing signals.

In one embodiment, in order to avoid external interference on each signal and interference signals entering each functional module, a filter circuit (not shown) is further disposed between the frequency divider switch 20 and each functional module, and the filter circuit includes a radio frequency filter for filtering a radio frequency signal, and includes at least one of the following: the system comprises a GPS filter for filtering GPS signals, a Bluetooth filter for filtering Bluetooth signals and a wifi filter for filtering wifi signals;

the rf filter is connected between the corresponding frequency dividing switch 20 and the rf transceiver module 41, and includes at least one of the following: the GPS filter is connected between the corresponding frequency division switch 20 and the GPS module 32, the Bluetooth filter is connected between the corresponding frequency division switch 20 and the Bluetooth module 33, the wifi filter is connected between the corresponding frequency division switch 20 and the wifi module 31, a corresponding filter is further arranged before each module, each filter can adopt a resistor, a filter circuit formed by an inductor or a capacitor, further, because the frequency bands of the wifi signal and the Bluetooth signal are the same, the same filter can be adopted, only the wifi filter is needed, thereby the design cost and the volume of the mobile terminal can be simplified, and the selection is specifically carried out according to the requirements.

The present application further provides a mobile terminal, which includes a communication circuit 100, and the specific structure of the communication circuit 100 refers to the above embodiments, and since the mobile terminal adopts all technical solutions of all the above embodiments, the mobile terminal at least has all beneficial effects brought by the technical solutions of the above embodiments, and details are not repeated herein.

Referring to fig. 9, which is a schematic diagram of a hardware structure of a mobile terminal for implementing various embodiments of the present application, the mobile terminal 100 may include: RF (Radio Frequency) unit 101, WiFi module 102, audio output unit 103, a/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 9 is not intended to be limiting of mobile terminals, and that a mobile terminal may include more or fewer components than shown, or some components may be combined, or a different arrangement of components.

The following describes each component of the mobile terminal in detail with reference to fig. 9:

the radio frequency unit 101 may be configured to receive and transmit signals during information transmission and reception or during a call, and specifically, receive downlink information of a base station and then process the downlink information to the processor 110; in addition, the uplink data is transmitted to the base station. Typically, radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 can also communicate with a network and other devices through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System for Mobile communications), GPRS (General Packet Radio Service), CDMA2000(Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division duplex Long Term Evolution), and TDD-LTE (Time Division duplex Long Term Evolution).

WiFi belongs to short-distance wireless transmission technology, and the mobile terminal can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 102, and provides wireless broadband internet access for the user. Although fig. 9 shows the WiFi module 102, 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 audio output unit 103 may convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output as sound when the mobile terminal 100 is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 103 may also provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, and the like.

The a/V input unit 104 is used to receive audio or video signals. The a/V input Unit 104 may include a Graphics Processing Unit (GPU) 1041 and a microphone 1042, the Graphics processor 1041 Processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphic processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 may receive sounds (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, or the like, and may be capable of processing such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 101 in case of a phone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.

The mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that may optionally adjust the brightness of the display panel 1061 according to the brightness of ambient light, and a proximity sensor that may turn off the display panel 1061 and/or the backlight when the mobile terminal 100 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a 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 fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.

The display unit 106 is used to display information input by a user or information provided to the user. The Display unit 106 may include a Display panel 1061, and the Display panel 1061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.

The user input unit 107 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect a touch operation performed by a user on or near the touch panel 1071 (e.g., an operation performed by the user on or near the touch panel 1071 using a finger, a stylus, or any other suitable object or accessory), and drive a corresponding connection device according to a predetermined program. The touch panel 1071 may include two parts of a touch detection device and a touch controller. Optionally, the touch detection device detects a touch orientation of a user, detects a signal caused by a touch operation, and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 110, and can receive and execute commands sent by the processor 110. In addition, the touch panel 1071 may be implemented in various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may include other input devices 1072. In particular, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like, and are not limited to these specific examples.

Further, the touch panel 1071 may cover the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or nearby, the touch panel 1071 transmits the touch operation to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of the touch event. Although in fig. 9, the touch panel 1071 and the display panel 1061 are two independent components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 may be integrated to implement the input and output functions of the mobile terminal, and is not limited herein.

The interface unit 108 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and external devices.

The memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a program storage area and a data storage area, and optionally, the program storage area may store an operating system, an application program (such as a sound playing function, an image playing function, and the like) required by at least one function, and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 109 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.

The processor 110 is a control center of the mobile terminal, connects various parts of the entire mobile terminal 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 109 and calling data stored in the memory 109, thereby performing overall monitoring of the mobile terminal. Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor and a modem processor, optionally, the application processor mainly handles operating systems, user interfaces, application programs, etc., and the modem processor mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 110.

The mobile terminal 100 may further include a power supply 111 (e.g., a battery) for supplying power to various components, and preferably, the power supply 111 may be logically connected to the processor 110 via a power management system, so as to manage charging, discharging, and power consumption management functions via the power management system.

Although not shown in fig. 9, the mobile terminal 100 may further include a bluetooth module or the like, which is not described in detail herein.

In order to facilitate understanding of the embodiments of the present application, a communication network system on which the mobile terminal of the present application is based is described below.

Referring to fig. 10, fig. 10 is an architecture diagram of a communication Network system provided in an embodiment of the present application, where the communication Network system is an LTE system of a universal mobile telecommunications technology, and the LTE system includes a UE (User Equipment) 201, an E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) 202, an EPC (Evolved Packet Core) 203, and an IP service 204 of an operator, which are in communication connection in sequence.

Specifically, the UE201 may be the terminal 100 described above, and is not described herein again.

The E-UTRAN202 includes eNodeB2021 and other eNodeBs 2022, among others. Alternatively, the eNodeB2021 may be connected with other enodebs 2022 through a backhaul (e.g., X2 interface), the eNodeB2021 is connected to the EPC203, and the eNodeB2021 may provide the UE201 access to the EPC 203.

The EPC203 may include an MME (Mobility Management Entity) 2031, an HSS (Home Subscriber Server) 2032, other MMEs 2033, an SGW (Serving gateway) 2034, a PGW (PDN gateway) 2035, and a PCRF (Policy and Charging Rules Function) 2036, and the like. Optionally, the MME2031 is a control node that handles signaling between the UE201 and the EPC203, providing bearer and connection management. HSS2032 is used to provide registers to manage functions such as home location register (not shown) and holds subscriber specific information about service characteristics, data rates, etc. All user data may be sent through SGW2034, PGW2035 may provide IP address assignment for UE201 and other functions, and PCRF2036 is a policy and charging control policy decision point for traffic data flow and IP bearer resources, which selects and provides available policy and charging control decisions for a policy and charging enforcement function (not shown).

The IP services 204 may include the internet, intranets, IMS (IP Multimedia Subsystem), or other IP services, among others.

Although the LTE system is described as an example, it should be understood by those skilled in the art that the present application is not limited to the LTE system, but may also be applied to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, and future new network systems.

The mobile terminal hardware structure and the communication network system are applicable to the embodiments of the present application.

The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications and equivalents of the technical solutions that can be directly or indirectly applied to other related fields without departing from the spirit of the present application are intended to be included in the scope of the present application.

Claims (10)

1. A communication circuit is used for a mobile terminal and is characterized by comprising a first antenna, a frequency division switch, a first communication circuit and a second communication circuit;

the frequency dividing switch is electrically connected with the first antenna, the first communication circuit and the second communication circuit respectively, and the first communication circuit and the second communication circuit are also electrically connected with a main chip of the mobile terminal respectively;

the frequency dividing switch is used for controlling the first antenna and the first communication circuit to transmit wireless network signals; and/or, the first antenna is used for controlling the transmission of radio frequency signals between the first antenna and the second communication circuit.

2. The communication circuit of claim 1, wherein the first communication circuit comprises at least one of a GPS module, a wifi module, and a bluetooth module.

3. The communication circuit of claim 2, wherein the first communication circuit comprises the GPS module, the wifi module, and the bluetooth module, and the GPS module, the wifi module, and the bluetooth module are respectively connected between the frequency divider and the main chip.

4. The communication circuit of claim 3, wherein the second communication circuit comprises an RF transceiver module electrically connected to the frequency divider and the main chip, respectively.

5. A communication circuit is used for a mobile terminal and is characterized by comprising a main antenna set, a diversity antenna, a first communication circuit and a second communication circuit;

the first communication circuit is electrically connected with the main antenna and the main chip of the mobile terminal respectively, and the second communication circuit is electrically connected with the diversity antenna and the main chip of the mobile terminal respectively;

at least one antenna of the main set antenna and the diversity antenna is used for receiving and/or transmitting wireless network signals;

at least one of the first communication circuit and the second communication circuit.

6. The communication circuit of claim 5, wherein the first communication circuit comprises a frequency divider switch, a radio frequency transceiver module, and at least one of a GPS module, a wifi module, or a Bluetooth module; and/or the second communication circuit comprises a radio frequency receiving module;

the frequency division switch is respectively and electrically connected with a main antenna, the radio frequency transceiver module and at least one of the GPS module, the wifi module or the Bluetooth module; and/or at least one of the GPS module, the wifi module or the Bluetooth module and the radio frequency transceiver module are also electrically connected with the main chip respectively;

the radio frequency receiving module is electrically connected with the diversity antenna and the main chip respectively.

7. The communication circuit of claim 5, wherein the first communication circuit comprises a radio frequency transceiver module, the second communication circuit comprises a frequency divider switch, a radio frequency receiver module, and at least one of a GPS module, a wifi module, or a Bluetooth module;

the radio frequency transceiver module is electrically connected with the main antenna and the main chip respectively;

the frequency division switch is respectively and electrically connected with a diversity antenna, the radio frequency receiving module and at least one of the GPS module, the wifi module or the Bluetooth module; and/or, the GPS module, the wifi module or at least one of the bluetooth modules and the radio frequency receiving module are also respectively electrically connected with the main chip.

8. The communication circuit of claim 5, wherein the first communication circuit comprises a first frequency-division switch, a radio frequency transceiver module, and at least one of a first GPS module, a first wifi module, or a first Bluetooth module; and/or the second communication circuit comprises at least one of a second frequency division switch, a radio frequency receiving module, a second GPS module, a second wifi module or a second Bluetooth module;

the first frequency-division switch is electrically connected with at least one of the first GPS module, the first wifi module or the first Bluetooth module, the main set antenna and the radio frequency transceiver module respectively; and/or at least one of the first GPS module, the first wifi module or the first Bluetooth module and the radio frequency transceiver module are also electrically connected with the main chip respectively;

the second frequency dividing switch is electrically connected with at least one of the second GPS module, the second wifi module or the second Bluetooth module, the diversity antenna and the radio frequency receiving module respectively; and/or, the second GPS module, the second wifi module or at least one of the second Bluetooth modules and the radio frequency receiving module are also respectively electrically connected with the main chip.

9. The communication circuit of any of claims 6 to 8, further comprising a filtering circuit comprising a radio frequency filter for filtering a radio frequency signal, comprising at least one of: the system comprises a GPS filter for filtering GPS signals, a Bluetooth filter for filtering Bluetooth signals and a wifi filter for filtering wifi signals;

the radio frequency filter is connected between the corresponding frequency division switch and the radio frequency transceiving module; and/or the GPS filter is connected between the corresponding frequency division switch and the GPS module; and/or the Bluetooth filter is connected between the corresponding frequency division switch and the Bluetooth module; and/or the wifi filter is connected between the corresponding frequency division switch and the wifi module.

10. A mobile terminal characterized in that it comprises a communication circuit according to any one of claims 1 to 9.

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