CN110798232A

CN110798232A - Antenna receiving circuit, method, mobile terminal and storage medium

Info

Publication number: CN110798232A
Application number: CN201810778138.2A
Authority: CN
Inventors: 柳凯
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2018-07-16
Filing date: 2018-07-16
Publication date: 2020-02-14
Also published as: WO2020015552A1

Abstract

The embodiment of the invention discloses an antenna receiving circuit, a method, a mobile terminal and a storage medium, wherein the circuit comprises: the antenna comprises an antenna receiving module and a control module; the antenna receiving module comprises an antenna common end, a driving distribution unit connected with the antenna common end and a first switch connected with the driving distribution unit; the driving distribution unit is used for determining a receiving frequency band; the first switch is used for selecting M different matching paths, and M is an integer greater than or equal to 2; and the control module is used for controlling the first switch to select the corresponding matching path according to the receiving frequency band determined by the driving distribution unit.

Description

Antenna receiving circuit, method, mobile terminal and storage medium

Technical Field

The embodiment of the invention relates to the radio frequency technology in the field of wireless communication, in particular to but not limited to an antenna receiving circuit, an antenna receiving method, a mobile terminal and a storage medium.

Background

With the development of mobile communication technology and the popularization of mobile terminals such as smart phones, people have more stringent requirements on the appearance and thickness of the mobile terminal on the basis of pursuing the realization of the basic functions of the mobile terminal.

Nowadays, the integration of Mobile terminals is higher and higher, taking a Mobile phone as an example, the standard frequency band of the former Mobile phone is less, and only the frequency bands corresponding to the second Generation Mobile Communication technology (2-Generation wireless telephone technology, 2G) or the third Generation Mobile Communication technology (3-Generation wireless telephone technology, 3G), Global System for Mobile Communication (GSM) or Wideband code division Multiple Access (W-CDMA), and based on this, the devices used in the Mobile phone are also smaller. However, with the development of the fourth Generation mobile communication technology (4-Generation wireless telephone technology, 4G) or the fifth Generation mobile communication technology (5-Generation wireless telephone technology, 5G) and future communication, the frequency bands and formats are very many, the devices of the mobile phone are very dense on one main board, and due to the increasing frequency bands, the used components are more and more, and the devices placed on a limited area are very limited. In the current circuit mode, a fixed path is realized according to each frequency band, and a filter and an amplifier are respectively arranged on the path, and each frequency band is provided. Because the frequency range is very much now, especially domestic version whole net leads to, has put above-mentioned device on the route, and once Printed Circuit Board (Printed Circuit Board, PCB) walks to fix, the receive sensitivity of route just fixes, only can optimize through changing the route matching and walk the line. If interference exists, the problem can be solved only by version change, so that the design cost is increased, devices are added, and a large amount of layout space of a PCB is occupied, thereby limiting the performance and flexibility of a circuit design body.

Disclosure of Invention

Embodiments of the present invention provide an antenna receiving circuit, an antenna receiving method, a mobile terminal and a storage medium.

The technical scheme of the embodiment of the invention is realized as follows:

in a first aspect, an embodiment of the present invention provides an antenna receiving circuit, where the circuit includes: the antenna comprises an antenna receiving module and a control module;

the antenna receiving module comprises an antenna common end, a driving distribution unit connected with the antenna common end and a first switch connected with the driving distribution unit;

the driving distribution unit is used for determining a receiving frequency band;

the first switch is used for selecting M different matching paths, and M is an integer greater than or equal to 2;

and the control module is used for controlling the first switch to select the corresponding matching path according to the receiving frequency band determined by the driving distribution unit.

In a second aspect, an embodiment of the present invention provides an antenna receiving method, where the method includes: determining a receiving frequency band of an antenna receiving module through a driving distribution unit of the antenna receiving module of an antenna receiving circuit; the circuit comprises: the antenna comprises an antenna receiving module and a control module; the antenna receiving module comprises an antenna common end, a driving distribution unit connected with the antenna common end, and a first switch used for being connected with the driving distribution unit and selecting M different matching paths, wherein M is an integer greater than or equal to 2;

and controlling the first switch to select a corresponding matching path according to the receiving frequency band determined by the driving distribution unit.

In a third aspect, an embodiment of the present invention provides a mobile terminal, where the mobile terminal at least includes: a processor, a storage medium configured to store executable instructions, and the antenna reception circuit described above, wherein:

the processor is configured to execute stored executable instructions configured to perform the antenna reception method described above.

In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, where computer-executable instructions are stored, and the computer-executable instructions are configured to execute the above-mentioned antenna receiving method.

The embodiment of the invention provides an antenna receiving circuit, an antenna receiving method, a mobile terminal and a storage medium, wherein the circuit comprises: the antenna comprises an antenna receiving module and a control module; the antenna receiving module comprises an antenna common end, a driving distribution unit connected with the antenna common end and a first switch connected with the driving distribution unit; the driving distribution unit is used for determining a receiving frequency band; the first switch is used for selecting M different matching paths, and M is an integer greater than or equal to 2; and the control module is used for controlling the first switch to select the corresponding matching path according to the receiving frequency band determined by the driving distribution unit. Thus, the overall performance, flexibility and reception sensitivity of the circuit design can be improved.

Drawings

Fig. 1A is a schematic structural diagram of a related art main-manifold-path antenna receiving module;

fig. 1B is a schematic structural diagram of a diversity path antenna receiving module according to the related art;

fig. 2A is a schematic diagram of a structure of an antenna receiving circuit according to an embodiment of the present invention;

fig. 2B is a schematic diagram of a structure of a second antenna receiving circuit according to an embodiment of the present invention;

FIG. 2C is a schematic diagram of another antenna receiving circuit according to another embodiment of the present invention

Fig. 3A is a schematic structural diagram of a three-antenna receiving circuit according to an embodiment of the invention;

fig. 3B is a schematic structural diagram of another antenna receiving circuit according to another embodiment of the present invention;

fig. 4A is a schematic structural diagram of a five-main-set-path antenna receiving circuit according to an embodiment of the present invention;

fig. 4B is a schematic structural diagram of a fifth main-set path antenna receiving circuit according to an embodiment of the present invention;

fig. 4C is a schematic structural diagram of a receiving circuit of a fifth diversity path antenna according to an embodiment of the present invention;

fig. 4D is a schematic diagram of a structure of a fifth diversity path antenna receiving circuit according to an embodiment of the present invention;

fig. 5 is a schematic flowchart of a six-antenna receiving method according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.

Detailed Description

In the related art, the circuit mode generally implements a fixed path according to each frequency band, and fig. 1A shows a structure of a main set path antenna receiving module, as shown in fig. 1A, the main set path antenna receiving module includes a main set antenna transmitting/receiving module 101A, and each path includes a duplexer 102a, a low noise amplifier 103a, a filter 104a, and a transceiver 105 a. Fig. 1B shows the structure of the diversity path antenna receiving module, and as shown in fig. 1B, the diversity path antenna receiving module includes a diversity antenna receiving module 101B, and each path includes a filter 102B, a low noise amplifier 103B, another filter 104B, and a transceiver 105B. Because each path of the antenna receiving module of the main set path is provided with the duplexer, the low-noise amplifier and the filter, each path of the antenna receiving module of the diversity path is provided with the filter, the low-noise amplifier and the other filter, and the connection of the filters is fixedly designed according to the corresponding frequency band, the design cost is improved, devices are increased, a large amount of layout space of a PCB is occupied, and the performance and the flexibility of a circuit design body are limited.

Based on this, the embodiment of the invention provides an antenna receiving circuit, an antenna receiving method, a mobile terminal and a storage medium.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following describes specific technical solutions of the present invention in further detail with reference to the accompanying drawings in the embodiments of the present invention. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

Example one

An embodiment of the present invention provides an antenna receiving circuit, including: the antenna comprises an antenna receiving module and a control module; the antenna receiving module comprises an antenna common end, a driving distribution unit connected with the antenna common end and a first switch connected with the driving distribution unit; the driving distribution unit is used for determining a receiving frequency band; a first switch for selecting M different matching paths, M being an integer greater than or equal to 2; and the control module is used for controlling the first switch to select the corresponding matching path according to the receiving frequency band determined by the driving distribution unit.

In other embodiments, the antenna reception module further comprises a second switch; the second switch is used for selecting or connecting M different matching paths and selecting N filters with different frequency bands, wherein N is an integer greater than or equal to 2; the control module is used for controlling the second switch to select the filter corresponding to the receiving frequency band according to the receiving frequency band; or the control module is used for controlling the second switch to select the corresponding matching path according to the receiving frequency band and controlling the second switch to select the filter corresponding to the receiving frequency band.

In the embodiment of the present invention, the control module may control the first switch to select the matching path corresponding to the receiving frequency band according to the receiving frequency band determined by the driving allocation unit, or may control the first switch and the second switch to jointly select the matching path corresponding to the receiving frequency band according to the receiving frequency band.

Fig. 2A is a schematic diagram of a structure of an antenna receiving circuit according to an embodiment of the present invention, and as shown in fig. 2A, the circuit includes: an antenna receiving module 21 and a control module 22, wherein:

the antenna receiving module 21 includes an antenna common terminal 211, a driving distribution unit 212 connected to the antenna common terminal 211 and used for determining a receiving frequency band, a first switch 214 used for connecting to the driving distribution unit 212 and selecting M different matching paths 213, and a second switch 216 used for selecting or connecting the M different matching paths 213 and selecting a filter 215 of N different frequency bands; m and N are integers greater than or equal to 2.

A control module 22, configured to control the first switch 214 to select a corresponding matching path and control the second switch 216 to select a filter 215 corresponding to a receiving frequency band according to the receiving frequency band determined by the driving allocation unit 212; alternatively, the first switch 214 and the second switch 216 are controlled to select the corresponding matching paths and the second switch 216 is controlled to select the filter corresponding to the receiving band according to the determined receiving band.

In this embodiment, the antenna common terminal 211 is configured to receive signals of different frequency bands, and input the signals of different frequency bands into the driving distribution unit 212, and after the driving distribution unit 212 performs driving distribution on the signals of different frequency bands, the signals may enter a specific port.

In an implementation process, the driving distribution unit 212 is configured to determine a receiving frequency band, and when the antenna receiving module 21 is located in the main set path, the driving distribution unit 212 may be 101A in fig. 1A; when the antenna receiving module 21 is located in the diversity path, the driving distributing unit 212 may be 101B in fig. 1B.

In other embodiments, a first terminal of the first switch is connected to the driving distribution unit, and a second terminal of the first switch is used for selecting M different matching paths; the first end of the second switch is used for selecting or connecting M different matching paths, and the second end of the second switch is used for selecting N filters of different frequency bands.

The first switch is a double-pole multi-throw radio frequency switch or a double-pole double-throw switch, and the second switch is a double-pole multi-throw radio frequency switch. In another embodiment, the first switch and the second switch may be switches of other specifications, may be provided according to the configuration of the circuit, and may be any switches as long as the first switch and the second switch can electrically connect the circuits.

In this embodiment, for the same frequency band, when different matching paths are selected, the antenna receiving circuit has different sensitivities. For example, assuming that there are two matching paths P1 and P2, for the band B1, the sensitivity of the antenna receiving circuit is L1 when the matching path P1 is selected, and the sensitivity of the antenna receiving circuit is L2 when the matching path P2 is selected. During testing, different matching paths are selected, the sensitivities of the different matching paths are measured, then the sensitivities corresponding to the matching paths are compared, and the matching path with excellent sensitivity performance is used as the matching path corresponding to the frequency band. Therefore, when a signal is received, the driving distribution unit determines a receiving frequency band, and then the control module controls the second switch to select a corresponding filter and controls the first switch to select a corresponding matching path; or the control module controls the second switch to select the corresponding filter and controls the first switch and the second switch to select the corresponding matching path. Thus, the overall performance, flexibility and reception sensitivity of the circuit design can be improved.

It can be seen that when the antenna receiving circuit is applied to 4G/5G, the fixed non-adjustable receiving mode of the dead plate can be effectively changed by changing the receiving mode of the circuit in the related art to adapt to the high-density type circuit of 4G/5G; in addition, the receiving sensitivity can be dynamically adjusted by using the switch according to the PCB wiring of the terminal, so that the sensitivity reaches an optimal state, and the adaptability of the circuit is effectively improved.

Example two

In this embodiment, M is 2, and the two different matching paths are a zero-ohm path and a low-noise amplifier path, respectively; wherein, a zero ohm resistor is arranged on the zero ohm path; the low noise amplifier is provided with a broadband low noise amplifier suitable for at least two different frequency bands.

Fig. 2B is a schematic diagram of a composition structure of a second antenna receiving circuit according to an embodiment of the present invention, and as shown in fig. 2B, the antenna receiving module 21B includes an antenna common terminal 211B, a driving distribution unit 212B connected to the antenna common terminal 211B and configured to determine a receiving frequency band, a first switch 213B connected to the driving distribution unit 212B and configured to select a zero-ohm path 214B or a low-noise amplifier path 215B, and a second switch 216B configured to select or connect the zero-ohm path 214B or the low-noise amplifier path 215B and configured to select N filters 217B with different frequency bands; n is an integer of 2 or more.

A control module 22b, configured to control the first switch 213b to select the zero ohm path 214b or the low noise amplifier path 215b and control the second switch 216b to select the filter 217b corresponding to the receiving frequency band according to the determined receiving frequency band; alternatively, the first switch 213b and the second switch 216b are controlled to select the zero ohm path 214b or the low noise amplifier path 215b, and the second switch 216b is controlled to select the filter corresponding to the reception band according to the determined reception band.

In the present embodiment, when the second switch 216b is connected to the zero-ohm path 214b and the low-noise amplifier path 215b, the zero-ohm path 214b or the low-noise amplifier path 215b may be selected by the first switch 213b connected to the driving distribution unit 212 b; when the second switch 216b is not connected to the zero-ohm path 214b and the low-noise amplifier path 215b, the control module needs to simultaneously control the first switch 213b and the second switch 216b connected to the driving distribution unit 212b to select the zero-ohm path 214b or the low-noise amplifier path 215b, and then the signal passes through the corresponding matching path to be output, and a filter corresponding to the receiving band is selected through the second switch 216 b. In this way, flexibility in antenna receiving circuit design may be achieved.

In this embodiment, the zero-ohm resistor provided with the zero-ohm resistor and the path provided with the broadband low-noise amplifier suitable for at least two different frequency bands replace the paths of the plurality of low-noise amplifiers in fig. 1A and 1B, which are set according to different frequency bands, so that the number of the low-noise amplifiers is reduced, and the layout space of the PCB can be saved.

In this embodiment, a low noise amplifier path may be provided, which may be adapted to all different frequency bands; it is also possible to provide a plurality of low noise amplifier paths, wherein each low noise amplifier is adapted for at least two different frequency bands.

When the low noise amplifier circuit is suitable for all different frequency bands, an antenna receiving module in the antenna receiving circuit only needs to be provided with one low noise amplifier circuit; when the low noise amplifier path is not suitable for all the different frequency bands, a plurality of low noise amplifier paths corresponding to the corresponding frequency bands may be provided.

Taking the antenna receiving module of the main channel set shown in fig. 1A as an example, the channels from top to bottom in fig. 1A are sequentially corresponding to the B1 frequency band, the B2 frequency band, the B3 frequency band, the B4 frequency band, the B5 frequency band, and the B6 frequency band, and since each lna in the related art can only process the frequency band corresponding thereto, only the lna corresponding to different frequency bands can be respectively arranged on each channel based on the above-mentioned B1 to B6 frequency bands.

In contrast, fig. 2C is a schematic diagram of a structure of another antenna receiving circuit according to the second embodiment of the present invention, as shown in fig. 2C, after an antenna common end of an antenna receiving module 21C of the antenna receiving circuit receives signals of different frequency bands, the receiving frequency band is determined by a driving allocation unit 212C, and a corresponding matching path is selected by a first switch 213C. The paths from top to bottom in fig. 2C are set to correspond to the B1 band, the B2 band, the B3 band, the B4 band, the B5 band, and the B6 band in sequence. A first broadband lna path and a second broadband lna path are respectively provided in the antenna receiving module 21c, wherein the first broadband lna path 214c is suitable for B1 to B3 frequency bands, and the second broadband lna path 215c is suitable for B4 to B6 frequency bands.

In implementation, when the driving distribution unit 211c determines that the receiving frequency band is any one of the B1 to B3 frequency bands, the zero ohm path 213c or the first wideband low noise amplifier path 214c may be selected by the first switch 212 c; when the driving distribution unit 211c determines that the reception frequency band is any one of the B4 to B6 frequency bands, the zero-ohm path 213c or the wide-band low-noise amplifier path two 215c may be selected by the first switch 212 c.

A control module 22c, configured to control the first switch 212c to select the zero ohm path 213c or the corresponding low noise amplifier path according to the receiving frequency band determined by the driving allocation unit 211c, and control the second switch 216c to select the filter 217c corresponding to a different receiving frequency band; alternatively, the first switch 212c and the second switch 216c are controlled to select the zero ohm path 213c or the corresponding low noise amplifier path according to the reception band determined by the driving allocation unit 211c, and the second switch 216c is controlled to select a filter corresponding to a different reception band.

EXAMPLE III

In this embodiment, fig. 3A is a schematic structural diagram of a three-antenna receiving circuit according to an embodiment of the present invention, and as shown in fig. 3A, an antenna receiving circuit 301a includes a main set path 302a, a diversity path 304a, and a control module 30a, and the main set path 302a and the diversity path 304a respectively include the antenna receiving module 303A according to the above embodiment.

In another embodiment, fig. 3B is a schematic structural diagram of another antenna receiving circuit according to the third embodiment of the present invention, and as shown in fig. 3B, the antenna receiving module 33B of the main collecting channel 31B of the antenna receiving circuit 30B further includes: n duplexers 302b matched with N different reception bands; the input end of each duplexer in the N duplexers is connected to the driving distribution unit 301b, and the first end of the first switch 303b is selectively connected to the output end of one duplexer in the N duplexers 302b under the control of the control module; correspondingly, the control module is further configured to control the first end of the first switch 303b to select the duplexer of the corresponding receiving frequency band according to the determined receiving frequency band. In another embodiment, the output terminals of the N duplexers may be connected to the first terminal of the first switch.

The antenna receiving module 34b of the diversity path 32b of the antenna receiving circuit 30b further comprises: p variable tuning bandwidth band pass filters 305b adapted for at least two different frequency bands; p is an integer of 1 or more and N or less; each variable tuning bandwidth band-pass filter is at least suitable for two different frequency bands; the input of each different variable tuning bandwidth bandpass filter is connected to the drive distribution unit 304b and the output of each variable tuning bandwidth bandpass filter is connected to the first terminal of the first switch 306 b. In another embodiment, the first terminal of the first switch may also be used to select the corresponding variable tuning bandwidth band-pass filter.

In this embodiment, for example, a zero-ohm path and a low noise amplifier path are set as a matching path in an antenna receiving circuit of a main set path and a diversity path, and a variable tuning bandwidth band-pass filter suitable for at least two different frequency bands is set in the diversity path:

in the implementation process, the antenna receiving module of the main set path receives signals of different frequency bands from the antenna common end. The received signal enters a specific port after being subjected to drive distribution, then enters a duplexer corresponding to the frequency band signal, and enters a first switch after being output by the duplexer.

When the output end of the first switch is connected with the matching path where the zero-ohm resistor is arranged and the output end of the matching path where the zero-ohm resistor is arranged is connected with the input end of the second switch, a signal enters the corresponding filter from the output end of the second switch, wherein the duplexer, the first switch, the through circuit, the second switch and the filter are positioned in the same receiving circuit path, namely the zero-ohm path; when the output end of the first switch is connected with the input end provided with the broadband low-noise amplifier and the output end of the broadband low-noise amplifier is connected with the input end of the second switch, signals enter the corresponding filter from the output end of the second switch, wherein the duplexer, the first switch, the broadband low-noise amplifier, the second switch and the filter are positioned in the same receiving circuit channel, namely a low-noise amplifier channel.

An antenna receiving module of the diversity path receives signals of different frequency bands from an antenna public end, the received signals enter a specific port after being subjected to driving distribution, then enter a variable tuning bandwidth band-pass filter, the variable tuning bandwidth band-pass filter debugs different bandwidths according to the frequency bands of the signals, and the signals enter a first switch after being filtered.

When the output end of the first switch is connected with the matching path where the zero-ohm resistor is arranged and the output end of the matching path where the zero-ohm resistor is arranged is connected with the input end of the second switch, a signal enters the corresponding filter from the output end of the second switch, wherein the first switch, the through circuit, the second switch and the filter are in the same receiving circuit path, namely the zero-ohm path; when the output end of the first switch is connected with the input end provided with the broadband low-noise amplifier and the output end of the broadband low-noise amplifier is connected with the input end of the second switch, signals enter the corresponding filter from the output end of the first switch, wherein the first switch, the broadband low-noise amplifier, the second switch and the filter are positioned in the same receiving circuit path, namely a low-noise amplifier path.

Based on the above embodiments, it can be known that the antenna receiving module of the main diversity path and the antenna receiving module of the diversity path each include: a zero ohm path and a low noise amplifier path. Which may be referred to herein as a main set zero ohm path, a main set low noise amplifier path, and a diversity zero ohm path, a diversity low noise amplifier path, respectively. The antenna receiving circuit is provided with the main set path and the diversity path, the antenna receiving modules are arranged in the main set path and the diversity path, and the switching between different paths can be realized through the switch, so that the overall performance and the flexibility of the circuit design can be improved.

Example four

An embodiment of the present invention provides an antenna receiving circuit, including: antenna receiving module and control module, wherein:

the antenna receiving module comprises an antenna common end, a driving distribution unit, a first switch and a second switch, wherein the driving distribution unit is connected with the antenna common end and is used for determining a receiving frequency band, the first switch is used for being connected with the driving distribution unit and selecting M different matching paths, and the second switch is used for selecting or connecting M different matching paths and selecting N filters of different receiving frequency bands; m and N are integers greater than or equal to 2.

The control module is used for controlling the first switch to select the corresponding matching path and controlling the second switch to select the filter corresponding to the receiving frequency band according to the determined receiving frequency band; or, according to the determined receiving frequency band, the first switch and the second switch are controlled to select the corresponding matching path, and the second switch is controlled to select the filter corresponding to the receiving frequency band.

In this embodiment, a first end of a first switch in the antenna receiving circuit is connected to the driving distribution unit, and a second end of the first switch is used to select M different matching paths; the first end of the second switch is used for selecting or connecting M different matching paths, and the second end of the second switch is used for selecting a filter corresponding to a receiving frequency band.

After the PCB wiring is designed in the initial stage, debugging the designed circuit, controlling the connection state of a first switch and a second switch in each antenna receiving module through a control module, respectively switching each antenna receiving module to different matching paths, testing the receiving sensitivity value of each antenna receiving module under each matching path, respectively selecting the matching path with the optimal receiving sensitivity in each antenna receiving module, determining the matching path as the optimal receiving circuit path, then combining the optimal receiving circuit paths in each antenna receiving module according to a preset rule, establishing the association relationship between the combination and each different frequency band and between the first switch and the second switch, and storing the association relationship in a switch state list.

Here, taking as an example that the antenna receiving circuit includes a main diversity path and a diversity path, and the antenna receiving module includes a zero ohm path and a low noise amplifier path:

in the debugging stage, the antenna receiving module of the main set path may be switched to two paths, and the antenna receiving module of the diversity path may be switched to two paths, that is, the main set null ohm path, the main set low noise amplifier path, the diversity null ohm path, and the diversity low noise amplifier path. Four combinations can be formed according to the above-described paths, that is,

combination 1: a main zero ohm path and a branch zero ohm path;

and (3) combination 2: a main zero ohm path and a diversity low noise amplifier path;

and (3) combination: a main set low noise amplifier channel and a diversity zero ohm channel;

and (4) combination: a main set low noise amplifier path and a diversity low noise amplifier path.

In the debugging stage, the receiving sensitivity values of the signals of each frequency band under the conditions of the combinations 1 to 4 can be tested by switching the connection states of the first switch and the second switch, the combination where the receiving sensitivity value of each frequency band is highest is recorded, a corresponding control instruction is formed according to the combination, the association relationship between the control instruction and the matching path corresponding to the combination and the association relationship between the corresponding matching path and the first switch and the second switch are established, the association relationship between the control instruction and each matching path and the association relationship between each matching path and the first switch and the second switch are recorded, and a switch state list is formed.

It should be noted that, when the antenna receiving module is provided with the variable tuning bandwidth bandpass filter, in the debugging stage, the bandwidth of the variable tuning bandwidth bandpass filter needs to be adjusted to correspond to the frequency band, and the bandwidth and the control instruction are associated and set in the switch state list.

In the implementation process, a preset switch state list is inquired according to the determined receiving frequency band to obtain the connection state of the second end of the first switch; and connecting the corresponding matching path and the corresponding filter of the receiving frequency band according to the connection state of the first switch and the second switch.

In this embodiment, when the first end of the second switch is used to connect M different matching paths, the control module is further configured to: inquiring a preset switch state list according to the determined receiving frequency band to obtain the connection state of the second end of the first switch; controlling the second end of the first switch to be connected with the corresponding matching path according to the connection state of the second end of the first switch; and controlling the second end of the second switch to be connected with the filter corresponding to the receiving frequency band according to the determined receiving frequency band.

In another embodiment, when the first terminal of the second switch is used to select M different matching paths, the control module is further configured to: inquiring a preset switch state list according to the determined receiving frequency band to obtain the connection state of the second end of the first switch and the connection state of the first end of the second switch; controlling the second end of the first switch to be connected with the corresponding matching path according to the connection state of the second end of the first switch; controlling the first end of the second switch to be connected with the corresponding matching path according to the connection state of the first end of the second switch; and controlling the second end of the second switch to be connected with a filter corresponding to the receiving frequency band according to the determined receiving frequency band.

EXAMPLE five

Currently, a radio frequency receiving scheme of a mobile terminal is that each frequency band enters through an antenna common end of a TX _ MODULE (TX MODULE), and then enters a specific channel after being distributed, and then the specific channel is output to enter a duplexer and a wideband Low Noise Amplifier (LNA) (the LNA is used to meet the requirements of the antenna), a filter is required to be added after the LNA is output, and the filter enters a transceiver after being output to perform down-conversion processing to obtain an intermediate frequency I/Q signal, i.e., an intermediate frequency input/output signal, where I: in-phase denotes in-phase, Q: the quadratur represents orthogonality, the phase difference between the quadratur and the I is 90 degrees, then the signals are sent to a processor for demodulation, due to the fact that the frequency ranges are very many, the number of amplifiers and filters on a path is very large, the layout and the routing of the PCB are compact, and some frequency ranges cannot be added directly.

Based on the related technologies, the layout in a limited space is tense, the routing of the PCB is very dense, and the routing optimization is very difficult; for the interference brought by some wiring, the interference can be solved only by changing the version; the frequency band of LNA also can not be added through the layout of PCB, and the debugging of antenna is also more difficult. Based on the current situation, the traditional circuit design mode is changed, the problem that an LNA amplifier of a receiving path is not placed down and PCB wiring is dense before is solved by using a scheme of dynamically switching the receiving path through a switch, and the receiving path of a certain frequency band of a circuit can reach an optimal receiving state through effective dynamic distribution. Not only saves a large amount of LNA low noise devices, but also saves the design space of the PCB and improves the overall performance of the circuit design.

In the embodiment of the invention, a receiving circuit of a fixed frequency band in the related technology is dynamically adjusted according to the wiring form of the circuit by adding a switch, the circuit mode changes the mode that the PCB wiring is not tunable in the past, the current circuit mode is that a fixed path is taken according to each frequency band, a filter and an amplifier are respectively arranged on a receiving path, and each frequency band is provided. Based on the consideration, the embodiment of the invention enables the dynamic combination mode of the amplifier and the filter to complete the improvement of the receiving sensitivity through the switch switching mode, thereby not only reducing the devices such as the amplifier and the filter, but also saving the layout space of a PCB and improving the flexibility of product design.

An antenna receiving circuit according to an embodiment of the present invention is provided, and fig. 4A is a schematic diagram illustrating a structure of an antenna receiving circuit having a five main set path according to an embodiment of the present invention, as shown in fig. 4A, the antenna receiving circuit having a main set path according to an embodiment of the present invention includes a main set antenna transmitting/receiving module 401a, a plurality of duplexers 402a connected to the main set antenna transmitting/receiving module 401a and corresponding to different frequency bands, a first switch 403a connected to the plurality of duplexers 402a, a wideband low noise amplifier 405a and a pass-through circuit 404A at an output end of the first switch 403a, a second switch 406a operable to select an output end of the wideband low noise amplifier 405a and the pass-through circuit 404A and operable to select a plurality of filters 407a corresponding to different frequency bands, and a transceiver 408a connected to an output end of the plurality of filters 407 a.

Fig. 4B is a schematic diagram of a composition structure of another antenna receiving circuit of a main set path according to an embodiment of the present invention, as shown in fig. 4B, the antenna receiving circuit of a main set path in the embodiment of the present invention includes a main set antenna transmitting/receiving module 401B, a plurality of duplexers 402B connected to the main set antenna transmitting/receiving module 401B and corresponding to different frequency bands, a first switch 403B connected to the plurality of duplexers 402B, a wideband low noise amplifier 405B and a pass-through circuit 404B at an output end of the first switch 403B, a second switch 406B for connecting the output ends of the wideband low noise amplifier 405B and the pass-through circuit 404B and for selecting a plurality of filters 407B corresponding to different frequency bands, and a transceiver 408B connected to output ends of the plurality of filters 407B.

In the embodiment of the present invention, when the first switch and the second switch are controlled to select the zero-ohm path or the low-noise amplifier path according to the determined receiving frequency band, that is, when both the output terminal of the first switch and the input terminal of the second switch are selectable, as shown in fig. 4A, the zero-ohm path and the low-noise amplifier path are completely independent from each other, and do not affect each other when performing signal transmission. Compared with the case of electrically connecting the zero-ohm path and the output terminal of the low-noise amplifier in fig. 4B, the selection of the zero-ohm path or the low-noise amplifier path only through the first switch can prevent the low-noise amplifier from being burned out or affecting the service life of the low-noise amplifier due to current backflow.

When the first switch is controlled to select the zero-ohm path or the low-noise amplifier path according to the determined reception frequency band, that is, the output terminal of the first switch is optional, and the input terminal of the second switch is connected to the broadband low-noise amplifier and the pass circuit, as shown in fig. 4B, the output terminals of the zero-ohm path and the low-noise amplifier path are electrically connected to the input terminal of the second switch. Compared with the zero-ohm path and the low-noise amplifier path which are arranged independently in fig. 4A, the layout space of the circuit design can be saved, and the cost of the circuit design can also be saved.

Fig. 4C is a schematic diagram of a structure of an antenna receiving circuit of a fifth diversity path according to an embodiment of the present invention, and as shown in fig. 4C, the antenna receiving circuit of a diversity path according to an embodiment of the present invention includes a diversity antenna receiving module 401C, a variable tuning wideband band-pass filter 402C connected to the diversity antenna receiving module 401C, a first switch 403C connected to the variable tuning wideband band-pass filter 402C, a wideband low noise amplifier 405C and a pass-through circuit 404C located at an output end of the first switch 403C, a second switch 406C for connecting output ends of the wideband low noise amplifier 405C and the pass-through circuit 404C and selecting a plurality of filters 407C corresponding to different frequency bands, and a transceiver 408C connected to output ends of the plurality of filters 407C.

Fig. 4D is a schematic diagram of a composition structure of an antenna receiving circuit of another diversity path according to an embodiment of the present invention, as shown in fig. 4D, the antenna receiving circuit of a diversity path according to an embodiment of the present invention includes a diversity antenna receiving module 401D, a variable tuning wideband band-pass filter 402D connected to the diversity antenna receiving module 401D, a first switch 403D connected to the variable tuning wideband band-pass filter 402D, a wideband low noise amplifier 405D and a pass-through circuit 404D located at an output end of the first switch 403D, a second switch 406D for connecting output ends of the wideband low noise amplifier 405D and the pass-through circuit 404D and selecting a plurality of filters 407D corresponding to different frequency bands, and a transceiver 408D connected to output ends of the plurality of filters 407D.

In this embodiment, as shown in fig. 4A, a broadband Low Noise Amplifier (LNA) 405a is replaced with a Low Noise Amplifier (LNA) for each single path in the main set path in the related art, and then two switches, a first switch 403a and a second switch 406a, are used to perform dynamic selection switching, wherein the two switches are connected in a multi-path manner to a duplexer 402a and a filter 407a of each frequency band, and a broadband Low Noise Amplifier 405a and a pass circuit 404A are connected at a single end of the two switches for dynamic selection allocation of each frequency band, wherein the frequency range of the broadband Low Noise Amplifier 405a is 0.5 to 3 GHz.

In the embodiment of the invention, the antenna receiving circuit can receive different frequency bands BX. Taking a received signal of a B1 frequency band as an example, when a B1 frequency band is used, the signal is received from an antenna common terminal, is output by a transmission MODULE TX _ MODULE (TX MODULE) and then enters a duplexer, is output by a reception MODULE RX MODULE of the duplexer and then enters a first-stage switch, enters a second switch through a broadband low noise amplifier or a pass-through circuit, enters a filter corresponding to a B1 frequency band after being output by the second switch, and then enters a transceiver for data processing.

In the application process, the working process of the antenna receiving circuit comprises the following steps:

the first step is as follows: when the mobile phone receives a signal of a B1 frequency band, the signal enters a TX module from an antenna common end, enters a specific port after being driven and distributed, and then enters a duplexer corresponding to a B1 frequency band;

the second step is that: the signals are output from an RX module of a duplexer corresponding to a B1 frequency band, enter a double-pole multi-throw radio frequency switch, enter a broadband LNA (low-noise amplifier) for signal amplification, enter a second switch for distribution again, enter a filter corresponding to a B1 frequency band for filtering, enter a transceiver for down-conversion, and then are sent to a processor for demodulation.

The third step: a value is obtained by testing the receiving sensitivity of the main set channel, then the amplifier is bypassed, the next filter is directly connected through a zero ohm resistor, the receiving sensitivity is tested again, and the two values are compared to select an optimized channel to complete the matching of the receiving channel.

The fourth step: meanwhile, after receiving signals from the receiving port, the diversity receiving module enters a variable tuning broadband band-pass Filter (Changeable BW Filter), then passes through a Single-pole Double-throw (SPDT) switch, tunes the variable tuning broadband band-pass Filter into the bandwidth of the received signals according to a frequency band instruction, performs filtering, enters a Filter corresponding to the next stage through a broadband low noise amplifier or a zero-ohm resistor, performs filtering, sends the filtered signals into a transceiver, performs down-conversion, and sends the filtered signals into a processor for demodulation.

The fifth step: after the PCB is designed in the initial stage, debugging is carried out, the combination of each path is debugged through the switching of a main set path and a diversity path, namely, the main set has a low noise amplifier mode, a zero ohm direct-connection mode, a diversity also has a low noise amplification mode and a zero ohm direct-connection mode, four combinations exist totally, a variable tuning broadband band-pass filter of the diversity debugs different bandwidths according to different frequency bands, each combination is fixed in the debugging initial stage, namely, an optimized path is selected in the debugging process, then the control logic of the frequency band path and the width control logic of the variable tuning broadband band-pass filter are fixed, and the logic control is directly called in the subsequent use process.

And a sixth step: and carrying out receiving debugging on each antenna frequency band according to the fifth step, and finally selecting an optimized path and specific bandwidth logic of the variable tuning broadband band-pass filter for each frequency band to fix logic control.

The seventh step: after debugging is finished, the logic is sent to software for immobilization, and then different channels and filter bandwidth switching are finished for different frequency bands in the using process of a user, so that each receiving channel can achieve the optimal receiving quality.

In another embodiment, the combination of each path can be debugged according to the switch switching of the main set path and the diversity path, and the relationship between each combination and the frequency band can be established.

As shown in table 1, table 1 is a logic control table of the antenna receiving circuit according to the embodiment of the present invention. In table 1, pass represents a zero ohm pass circuit, and LNA represents a low noise amplifier.

TABLE 1

In the present embodiment, "0" indicates a zero ohm through circuit connected to the switch, "1" indicates that the connection terminal of the switch is switched to the wide band low noise amplifier circuit, B1, B2, B3, …, B40, and B41 indicate different frequency bands, and "_ 0000, _0001, _0010, …, _1101, _ 1110" indicate different control commands, respectively.

When a received signal is in a B1 frequency band, sending a control command _0000', switching a main set path in an antenna receiving circuit to a through mode, and switching a diversity path to a low noise amplifier mode; when a received signal is in a B2 frequency band, sending a control instruction _0001', switching a main collection path in an antenna receiving circuit to a low noise amplifier mode, and switching a diversity path to a through mode; when a received signal is in a B3 frequency band, a control instruction _0010' is sent, and a main set access and a diversity access in an antenna receiving circuit are switched to a through mode; when the received signal is in the B4 frequency band, a control command "_ 0011" is sent to switch both the main set path and the diversity path in the antenna receiving circuit to the low noise amplifier mode.

When a received signal is in a B5 frequency band, sending a control instruction _0100', switching a main set channel in an antenna receiving circuit to a through mode, and switching a diversity channel to a low noise amplifier mode; when a received signal is in a B7 frequency band, sending a control instruction _0101', switching a main set path in an antenna receiving circuit to a low noise amplifier mode, and switching a diversity path to a through mode; when a received signal is in a B8 frequency band, a control instruction _0110' is sent, and a main set path and a diversity path in an antenna receiving circuit are switched to a through mode; when the received signal is in the B12 band, a control command "_ 0111" is transmitted to switch both the main set path and the diversity path in the antenna reception circuit to the low noise amplifier mode.

When a received signal is in a B17 frequency band, sending a control instruction _1000', switching a main set path in an antenna receiving circuit to a through mode, and switching a diversity path to a low noise amplifier mode; when a received signal is in a B20 frequency band, sending a control instruction _ 1001', switching a main set path in an antenna receiving circuit to a low noise amplifier mode, and switching a diversity path to a through mode; when the received signal is in a B28 frequency band, a control instruction _1010' is sent, and a main set path and a diversity path in the antenna receiving circuit are switched to a direct-through mode; when the received signal is in the B34 band, a control command "_ 1011" is transmitted to switch both the main diversity path and the diversity path in the antenna receiving circuit to the low noise amplifier mode.

When a received signal is in a B38 frequency band, sending a control instruction _1111', switching a main set path in an antenna receiving circuit to a through mode, and switching a diversity path to a low noise amplifier mode; when a received signal is in a B39 frequency band, sending a control instruction _ 1100', switching a main set path in an antenna receiving circuit to a low noise amplifier mode, and switching a diversity path to a through mode; when a received signal is in a B40 frequency band, sending a control instruction _1101', and switching a main set path and a diversity path in an antenna receiving circuit to a through mode; when the received signal is in the B41 band, a control command "_ 1110" is transmitted to switch both the main set path and the diversity path in the antenna reception circuit to the low noise amplifier mode.

EXAMPLE six

An embodiment of the present invention provides a method for switching an antenna receiving circuit, where fig. 5 is a schematic flow chart of a six-antenna receiving method according to an embodiment of the present invention, and as shown in fig. 5, the method includes:

step S501, determining a receiving frequency band of an antenna receiving module of an antenna receiving circuit by a driving allocation unit of the antenna receiving module.

Step S502, the first switch is controlled to select the corresponding matching path according to the receiving frequency band determined by the driving distribution unit.

Wherein, antenna receiving circuit includes: the antenna comprises an antenna receiving module and a control module; the antenna receiving module comprises an antenna common end, a driving distribution unit connected with the antenna common end, and a first switch used for being connected with the driving distribution unit and selecting M different matching paths, wherein M is an integer greater than or equal to 2.

In other embodiments, the antenna receiving module further includes a second switch for selecting or connecting M different matching paths and selecting N filters of different frequency bands, where N is an integer greater than or equal to 2;

controlling the second switch to select a filter corresponding to the receiving frequency band according to the receiving frequency band; or,

and controlling the second switch to select a corresponding matching path and controlling the second switch to select a filter corresponding to the receiving frequency band according to the receiving frequency band determined by the driving distribution unit.

In other embodiments, a first terminal of the first switch is connected to the driving distribution unit, and a second terminal of the first switch is used for selecting M different matching paths;

correspondingly, the controlling the first switch to select the corresponding matching path according to the receiving frequency band determined by the driving allocation unit includes:

inquiring a preset switch state list according to the receiving frequency band to obtain the connection state of the second end of the first switch;

and controlling the second end of the first switch to be connected with the corresponding matching path according to the connection state of the second end of the first switch.

In other embodiments, a first terminal of the first switch is connected to the driving distribution unit, and a second terminal of the first switch is used for selecting M different matching paths; a first end of the second switch is used for selecting M different matching paths, and a second end of the second switch is used for selecting N filters with different frequency bands;

correspondingly, the controlling the second switch to select the filter corresponding to the receiving frequency band according to the receiving frequency band includes: controlling a second end of the second switch to be connected with a filter corresponding to the receiving frequency band according to the determined receiving frequency band;

the controlling the second switch to select the corresponding matching path and the second switch to select the filter corresponding to the receiving frequency band according to the receiving frequency band determined by the driving distribution unit includes:

inquiring a preset switch state list according to the receiving frequency band to obtain the connection state of the second end of the first switch and the connection state of the first end of the second switch;

controlling the second end of the first switch to be connected with the corresponding matching path according to the connection state of the second end of the first switch;

controlling the first end of the second switch to be connected with the corresponding matching path according to the connection state of the first end of the second switch;

and controlling a second end of the second switch to be connected with a filter corresponding to the receiving frequency band according to the determined receiving frequency band.

EXAMPLE seven

Fig. 6 is a schematic view of a composition structure of the mobile terminal according to the embodiment of the present invention, and as shown in fig. 6, the mobile terminal 600 at least includes: the processor 601, the storage medium 602 configured to store executable instructions, and the antenna receiving circuit 603 according to any of the above embodiments, wherein:

the processor 601 is configured to execute stored executable instructions configured to perform the antenna reception method provided by any of the embodiments described above.

It should be noted that the mobile terminal according to the embodiment of the present invention may be a mobile phone (mobile phone), a tablet computer, a palmtop computer, a Mobile Internet Device (MID), a wearable device, for example: but intelligent wrist-watch touch mobile terminal equipment etc..

In the embodiment of the present invention, if the antenna receiving method is implemented in the form of a software functional module and sold or used as an independent product, the antenna receiving method may also be stored in a computer readable storage medium. Based on such understanding, the technical solutions of the embodiments of the present invention may be essentially implemented or a part contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read Only Memory (ROM), a magnetic disk, or an optical disk. Thus, embodiments of the invention are not limited to any specific combination of hardware and software.

Correspondingly, an embodiment of the present invention provides a computer-readable storage medium, where computer-executable instructions are stored in the computer-readable storage medium, and the computer-executable instructions are configured to execute the antenna receiving method provided in the other embodiments of the present invention.

It should be noted that the above embodiments of the present invention can be used in any scenario, and the present invention improves the receiving path, and optimizes the occupation of the PCB space by too many devices in the receiving path. Through the embodiment, the mobile terminal does not need to use too many components and occupy too much PCB space for debugging in receiving. And the flexibility is high in the debugging process, the routing can be adjusted, the mobile terminal can be modified when meeting the interference of the routing without being modified by version change, the receiving mode of the conventional mobile terminal is changed by switching the switch, a large number of devices are saved, the debugging process is flexible and convenient, the change of the access can be controlled by software, and the optimized access of a specific frequency band is selected to meet the index of receiving sensitivity.

As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of a hardware embodiment, a software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.

The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. It should be understood that, in various embodiments of the present invention, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present invention. The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.

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, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the modules is only one logical functional division, and there may be other division ways in actual implementation, such as: multiple modules or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or modules may be electrical, mechanical or other.

The modules/units described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical modules; either in one location or distributed across multiple network modules/units; some or all of the modules/units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, all the functional modules/units in the embodiments of the present invention may be integrated into one processing module/unit block, or each module/unit may be separately used as one module/unit, or two or more modules/units may be integrated into one module/unit; the integrated module/unit can be implemented in the form of hardware, or can be implemented in the form of a hardware plus software functional module/unit.

Those of ordinary skill in the art will understand that: all or part of the steps for realizing the method embodiments can be completed by hardware related to program instructions, the program can be stored in a computer readable storage medium, and the program executes the steps comprising the method embodiments when executed; and the aforementioned storage medium includes: various media that can store program codes, such as a removable Memory device, a Read Only Memory (ROM), a magnetic disk, or an optical disk.

Alternatively, the integrated module of the present invention may be stored in a computer-readable storage medium if it is implemented in the form of a software functional module and sold or used as a separate product. Based on such understanding, the technical solutions of the embodiments of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a server to execute all or part of the methods according to the embodiments of the present invention. And the aforementioned storage medium includes: a removable storage device, a ROM, a magnetic or optical disk, or other various media that can store program code.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention, and all such changes or substitutions are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. An antenna reception circuit, the circuit comprising: the antenna comprises an antenna receiving module and a control module;

2. The circuit of claim 1, wherein the antenna receive module further comprises a second switch;

the second switch is used for selecting or connecting M different matching paths and selecting N filters with different frequency bands, wherein N is an integer greater than or equal to 2;

the control module is used for controlling the second switch to select the filter corresponding to the receiving frequency band according to the receiving frequency band; or,

and the control module is used for controlling the second switch to select the corresponding matching path according to the receiving frequency band and controlling the second switch to select the filter corresponding to the receiving frequency band.

3. The circuit of claim 2, wherein a first terminal of the first switch is connected to the driving distribution unit, and a second terminal of the first switch is used for selecting M different matching paths;

the first end of the second switch is used for selecting or connecting M different matching paths, and the second end of the second switch is used for selecting N filters with different frequency bands.

4. The circuit of claim 1 or 2, wherein M-2, the M different matching paths comprise a zero ohm path and a low noise amplifier path; wherein:

a zero-ohm resistor is arranged on the zero-ohm passage;

the low-noise amplifier is characterized in that a broadband low-noise amplifier suitable for at least two different frequency bands is arranged on the low-noise amplifier channel.

5. The circuit of claim 3, wherein the antenna receive circuit comprises a main set path and a diversity path, the main set path and the diversity path each comprising the antenna receive module.

6. The circuit of claim 3, wherein the antenna receive module of the main diversity path further comprises: n duplexers matched with the N different frequency bands;

the input end of each duplexer in the N duplexers is connected with the driving distribution unit, and the first end of the first switch is selectively connected with the output end of one duplexer in the N duplexers under the control of the control module;

correspondingly, the control module is further configured to control the first end of the first switch to select a duplexer of a corresponding receiving frequency band according to the determined receiving frequency band.

7. The circuit of claim 5 or 6, wherein the antenna receiving module of the diversity path further comprises: p variable tuning bandwidth band-pass filters suitable for at least two different frequency bands; p is an integer which is more than or equal to 1 and less than or equal to N;

each of the variable tuning bandwidth band-pass filters is at least suitable for two different frequency bands;

the input end of each different variable tuning bandwidth band-pass filter is connected with the driving distribution unit, and the output end of each variable tuning bandwidth band-pass filter is connected with the first end of the first switch.

8. The circuit of claim 3, wherein when the first terminal of the second switch is configured to connect M different matching paths, the control module is further configured to:

inquiring a preset switch state list according to the determined receiving frequency band to obtain the connection state of the second end of the first switch;

9. The circuit of claim 3, wherein when the first terminal of the second switch is configured to select M different matching paths, the control module is further configured to:

inquiring a preset switch state list according to the determined receiving frequency band to obtain the connection state of the second end of the first switch and the connection state of the first end of the second switch;

10. An antenna reception method, characterized in that the method comprises:

determining a receiving frequency band of an antenna receiving module through a driving distribution unit of the antenna receiving module of an antenna receiving circuit; the circuit comprises: the antenna comprises an antenna receiving module and a control module; the antenna receiving module comprises an antenna common end, a driving distribution unit connected with the antenna common end, and a first switch used for being connected with the driving distribution unit and selecting M different matching paths, wherein M is an integer greater than or equal to 2;

11. The method of claim 10, wherein the antenna receiving module further comprises a second switch for selecting or connecting M different matching paths and selecting N filters of different frequency bands, N being an integer greater than or equal to 2;

and controlling the second switch to select a corresponding matching path according to the receiving frequency band determined by the driving distribution unit, and controlling the second switch to select a filter corresponding to the receiving frequency band.

12. The method of claim 10, wherein a first terminal of the first switch is connected to the drive distribution unit and a second terminal of the first switch is used to select M different matching paths;

13. The method of claim 11, wherein a first terminal of the first switch is connected to the drive distribution unit and a second terminal of the first switch is used to select M different matching paths; a first end of the second switch is used for selecting M different matching paths, and a second end of the second switch is used for selecting N filters with different frequency bands;

14. A mobile terminal, characterized in that the mobile terminal comprises at least: the antenna reception circuit of any of the preceding claims 1 to 9, and a processor, a storage medium configured to store executable instructions, wherein:

the processor is configured to execute stored executable instructions configured to perform the antenna reception method provided in any of the above claims 10 to 13.

15. A computer-readable storage medium having computer-executable instructions stored therein, the computer-executable instructions being configured to perform the antenna reception method as provided in any one of the preceding claims 10 to 13.