CN113708793B - Wireless communication circuit, electronic device, and wireless communication method - Google Patents
Wireless communication circuit, electronic device, and wireless communication method Download PDFInfo
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- CN113708793B CN113708793B CN202110907326.2A CN202110907326A CN113708793B CN 113708793 B CN113708793 B CN 113708793B CN 202110907326 A CN202110907326 A CN 202110907326A CN 113708793 B CN113708793 B CN 113708793B
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Abstract
The embodiment of the application discloses a wireless communication circuit, electronic equipment and a wireless communication method, wherein the method comprises the following steps: the antenna comprises a control module, at least two power amplification modules and at least two antennas, wherein the control module is respectively connected with each power amplification module, and each power amplification module is respectively connected with at least one antenna; the control module is configured to determine a first target antenna from the antennas according to the receiving performance parameters of the antennas included in the wireless communication circuit, and send a first radio frequency signal to a first power amplification module connected to the first target antenna; the first power amplification module is configured to receive the first radio frequency signal sent by the control module, amplify the first radio frequency signal, and transmit the amplified first radio frequency signal through the first target antenna. By implementing the embodiment of the application, the radio frequency signal receiving and transmitting performance of the electronic equipment can be improved.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a wireless communication circuit, an electronic device, and a wireless communication method.
Background
The electronic device can receive and transmit radio frequency signals by means of the antenna, so that a data transmission function is achieved. With the development of technology, a plurality of antennas are generally disposed in an electronic device, so that it is expected that the radio frequency signal transceiving performance of the electronic device can be improved by increasing the number of antennas. However, in practice, it is found that the problem cannot be completely solved by increasing the number of antennas, and the problem of poor performance of transmitting and receiving radio frequency signals still easily occurs in some scenarios.
Disclosure of Invention
The embodiment of the application discloses a wireless communication circuit, electronic equipment and a wireless communication method, which can improve the radio frequency signal receiving and transmitting performance of the electronic equipment.
The embodiment of the application discloses wireless communication circuit, its characterized in that includes: the power amplification system comprises a control module, at least two power amplification modules and at least two antennas, wherein the control module is respectively connected with each power amplification module, and each power amplification module is respectively connected with at least one antenna; the control module is configured to determine a first target antenna from the antennas according to the receiving performance parameters of the antennas included in the wireless communication circuit, and send a first radio frequency signal to a first power amplification module connected to the first target antenna; the first power amplification module is configured to receive the first radio frequency signal sent by the control module, amplify the first radio frequency signal, and transmit the amplified first radio frequency signal through the first target antenna.
The embodiment of the application discloses an electronic device, which comprises the wireless communication circuit disclosed by the embodiment of the application.
The embodiment of the application discloses a wireless communication method, which is applied to electronic equipment comprising a wireless communication circuit, wherein the wireless communication circuit comprises: the power amplification system comprises at least two power amplification modules and at least two antennas, wherein the control module is respectively connected with each power amplification module, and each power amplification module is respectively connected with at least one antenna; the method comprises the following steps: determining a first target antenna from the antennas according to the receiving performance parameters of the antennas included in the wireless communication circuit, and sending a first radio frequency signal to a first power amplification module connected with the first target antenna; and receiving the first radio frequency signal through the first power amplification module, amplifying the first radio frequency signal, and transmitting the amplified first radio frequency signal through the first target antenna.
The embodiment of the application discloses an electronic device, which comprises a memory and a processor, wherein the memory stores executable program codes, and the processor is coupled with the memory; the processor calls the executable program codes stored in the memory to execute the wireless communication method disclosed by the embodiment of the application.
Compared with the related art, the embodiment of the application has the following beneficial effects:
the control module of the wireless communication circuit can determine the first target antenna from each antenna according to the receiving performance parameters of each antenna, so that the first radio-frequency signal is sent to the first power amplification module connected with the first target antenna, the first radio-frequency signal is amplified through the first power amplification module, the amplified first radio-frequency signal is transmitted through the first target antenna, the first target antenna with better receiving performance can be selected as the transmitting antenna of the radio-frequency signal, and the receiving and transmitting performance of the radio-frequency signal is improved.
In addition, the wireless communication circuit can omit a switch circuit in the radio frequency front-end circuit, thereby simplifying the design of the radio frequency front-end circuit, being beneficial to reducing the link loss of the radio frequency front-end circuit and further improving the receiving and transmitting performance of radio frequency signals.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic diagram of an application scenario of a wireless communication method according to an embodiment;
fig. 2 is a schematic diagram of a wireless communication circuit in the related art;
FIG. 3 is a schematic diagram of a wireless communication circuit according to an embodiment;
fig. 4 is a diagram showing an example of a stacked structure of a wireless communication circuit in the related art;
FIG. 5 is an example of a stacked configuration of a wireless communication circuit disclosed in one embodiment of the present application;
FIG. 6 is a schematic diagram of another embodiment of a wireless communication circuit;
FIG. 7 is a block diagram of another embodiment of a disclosed wireless communications circuit;
FIG. 8 is a flow chart diagram illustrating a method of wireless communication according to one embodiment;
fig. 9 is a schematic structural diagram of another electronic device disclosed in one embodiment.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
It is to be noted that the terms "comprises" and "comprising" and any variations thereof in the examples and figures of the present application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Referring to fig. 1, fig. 1 is a schematic view illustrating an application scenario of a wireless communication method according to an embodiment. As shown in fig. 1, a communication connection is established between the electronic device 110 and the network device 120, and optionally, the electronic device 110 and the network device 120 may establish a communication connection through communication technologies such as fourth generation mobile communication technology (the 4th generation mobile communication technology, 4G), fifth generation mobile communication technology (the 5th generation mobile communication technology, 5G), and the like, and the communication connection manner is not limited in the embodiment of the present application.
In some embodiments, the electronic device 110 may be referred to as a User Equipment (UE). The electronic device 110 may be a Personal Communication Service (PCS) phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), or the like, and the electronic device 110 may also be a mobile phone, a Mobile Station (MS), a terminal device (mobile terminal), a notebook computer, or the like, and the electronic device 110 may communicate with one or more core networks through a Radio Access Network (RAN). For example, the electronic equipment 110 may be a mobile telephone (or "cellular" telephone) or a computer with terminal equipment, etc., and the electronic equipment 110 may also be a portable, pocket, hand-held, computer-included, or vehicle-mounted mobile device that exchanges voice and/or data with a radio access network, for example. The electronic device 110 may also be a handheld device with a wireless communication function, a computing device or other processing device connected to a wireless modem, an in-vehicle device, a wearable device, a terminal device in a network of future evolution, and the like, and the implementation of the present application is not limited thereto.
In some embodiments, the network device 120 may be a Long Term Evolution (LTE) system, an NR (english, chinese) communication system, or an evolved Node B (eNB or e-NodeB) macro base station, a micro base station (also referred to as a "small base station"), a pico base station, an Access Point (AP), a Transmission Point (TP), a new generation base station (new generation Node B, nodeB) in an authorized assisted access long term evolution (LAA-LTE) system. The network device 120 may also be other types of network devices in a future evolution network, and the implementation of the present application is not limited thereto.
In some embodiments, electronic device 110 may communicate wirelessly with network device 120 through wireless communication circuitry, including but not limited to the transmission of radio frequency signals.
In the related art, when the wireless communication circuit includes two or more antennas, a switch circuit is generally provided to be connected to each antenna, and the switch circuit switches different antennas to transmit radio frequency signals.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a wireless communication circuit in the related art. As shown in fig. 2, the wireless communication circuit 200 may include a Power Amplifier module 210 (PA), two switch circuits, i.e., a switch circuit 221 and a switch circuit 222; and four antennas, antenna 231, antenna 232, antenna 233, and antenna 234, respectively. The power amplification module 210 is respectively connected to the switch circuit 221, the switch circuit 221 is respectively connected to the antenna 231, the antenna 232, and the switch circuit 222 is further connected to the antenna 233 and the antenna 234. The switch circuit 221 and the switch circuit 222 may comprise three-pole-three-throw (3P 3T) switches.
The switch circuit 221 may be configured to switch a connection link between the antenna 231 and the power amplification module 210 to be in a conducting or disconnecting state, switch a connection link between the antenna 232 and the power amplification module 210 to be in a conducting or disconnecting state, and switch a connection link between the switch circuit 222 and the power amplification module 210 to be in a conducting or disconnecting state.
A switch circuit 222 operable to switch on or off a connection link between the antenna 233 and the switch circuit 221; and switches the on or off state of the connection link between the antenna 234 and the switch circuit 221.
The power amplifying module 210 may be configured to amplify the radio frequency signal.
Through the switching of the switch circuit 222, the rf signal amplified by the power amplification module 210 can be respectively sent to any one of the antennas 231, 232, 233, and 234, so that the amplified rf signal is transmitted through any one of the antennas 231, 232, 233, and 234.
As can be seen, although the wireless communication circuit 100 can switch different antennas to transmit radio frequency signals, a switch circuit needs to be arranged in the front-end circuit, and even two or more switch circuits may need to be arranged, which results in a high complexity of the radio frequency front-end circuit, is easy to bring extra link loss, has an adverse effect on a communication scenario with weak signal strength, and has high power consumption. Meanwhile, the imbalance among the multiple antennas is easily deepened, data throughput is affected, and accordingly data downloading speed is low, internet surfing speed is low, and communication experience is poor.
It should be noted that, in the embodiment of the present application, the radio frequency front-end circuit may include a connection link between the power amplification module and the antenna, and may further include one or more electronic components, such as a filter and a Low Noise Amplifier (LNA), besides the power amplification module, which is not limited specifically.
The embodiment of the application discloses a wireless communication circuit, electronic equipment and a wireless communication method, which can simplify the design of a front-end circuit and improve the radio-frequency signal receiving and transmitting performance of the electronic equipment.
In one embodiment, the wireless communications circuitry may include: the power amplifier comprises a control module, at least two power amplification modules and at least two antennas, wherein the control module is respectively connected with each power amplification module, and each power amplification module is respectively connected with at least one antenna.
The control module may include a communication chip or a communication module for controlling the transceiving of the radio frequency signal, including, but not limited to, a transceiver, a baseband chip, and the like.
The power amplification module may include a device for performing power amplification, and may include a linear power amplifier, a switching power amplifier, and the like, but is not limited thereto.
The antennas may include, but are not limited to, antennas supporting an LTE frequency band, antennas supporting a new NR frequency band, and the like.
The control module is used for determining a first target antenna from each antenna according to the transceiving performance parameters of each antenna included in the wireless communication circuit, and sending a first radio frequency signal to a first power amplification module connected with the first target antenna.
The receiving performance parameter may refer to a parameter for measuring the signal receiving capability of the antenna, and includes: one or more parameters such as Received Signal Strength (RSSI) and reception sensitivity, but not limited thereto. The first target antenna determined from each antenna may be an antenna with better receiving performance, data transmission between the first target antenna and network equipment such as a base station is smoother, or the probability that the first target antenna is blocked is lower, but is not limited thereto.
Optionally, the transceiving performance parameter may include a received signal strength; the control module may determine an antenna with the highest received signal strength among the antennas included in the wireless communication line as the first target antenna, so that the determined first target antenna is the antenna with the best current receiving performance.
Optionally, the control module may also determine, as the first target antenna, an antenna of which received signal strength is higher than a threshold among antennas included in the wireless communication line, where the threshold may be set according to an actual service requirement, for example, may be set to-93 decibel-milliwatt (dBm), -113dBm, and is not limited specifically. If a plurality of antennas with received signal strength higher than the threshold exist in the wireless communication circuit, the control module may determine, as the first target antenna, an antenna closest to a physical distance between the connected power amplification modules among the plurality of antennas with received signal strength higher than the threshold, so as to reduce link loss as much as possible. The physical distance between the antenna and the connected power amplification module can be determined according to the actual layout position of the antenna and the connected power amplification module on the electronic equipment, and the physical distance can be calibrated in advance and stored in the electronic equipment.
It should be noted that the first power amplification module may be a power amplification module connected to the first target antenna among power amplification modules included in the wireless communication circuit.
The first power amplification module can be used for receiving the first radio-frequency signal sent by the control module, amplifying the first radio-frequency signal and transmitting the amplified first radio-frequency signal through the first target antenna.
For example, referring to fig. 3, fig. 3 is a schematic structural diagram of a wireless communication circuit according to an embodiment. As shown in fig. 3, the wireless communication circuit 300 may include: a control module 310, a power amplification module 321, a power amplification module 322, and an antenna 331 and an antenna 332.
The control module 310 may be connected to the power amplification module 321 and the power amplification module 322, respectively, the power amplification module 321 may be connected to the antenna 331, and the power amplification module 322 may be connected to the antenna 332.
If the first target antenna determined by the control module 310 includes the antenna 331, the control module 310 may determine the power amplification module 321 as a first power amplification module, so as to amplify the first radio frequency signal sent by the control module 310 through the power amplification module 321, and transmit the amplified first radio frequency signal through the antenna 331. If the control module 310 determines that the first target antenna includes the antenna 332, the control module 310 may determine the power amplification module 322 as a first power amplification module, so as to amplify the first radio frequency signal sent by the control module 310 through the power amplification module 322, and transmit the amplified first radio frequency signal through the antenna 322.
Optionally, the control module may determine the first target antenna from the antennas included in the wireless communication circuit in real time according to a certain frequency, so that the determined first target antenna is an antenna with better receiving performance at the current time. Therefore, the transmitting antennas determined by the control module at different times may be the same or different, and are not limited specifically.
If the determined transmitting antennas are the same at different moments, the control module can continuously use the same antennas to transmit the radio-frequency signals by sending the radio-frequency signals to the same power amplification module.
If the transmitting antennas determined at different moments are different, the control module can switch the transmitting antennas in a mode of sending radio frequency signals to different power amplification modules, so that different antennas can be used for transmitting radio frequency signals.
Optionally, the transmitting antenna of the wireless communication circuit may be switched from a first target antenna to a second target antenna, and the second target antenna may be an antenna that transmits radio frequency signals after the first target antenna, and the second target antenna is different from the first target antenna.
The control module may be further configured to stop sending the first radio frequency signal to the first power amplification module and send the second radio frequency signal to a second power amplification module connected to the second target antenna when the second target antenna is determined from the antennas according to the reception performance parameters of the antennas included in the wireless communication circuit. The second power amplification module connected with the second target antenna can be different from the first power amplification module.
And the second power module can be used for receiving the second radio-frequency signal sent by the control module, amplifying the second radio-frequency signal and transmitting the amplified second radio-frequency signal through the second target antenna.
For example, referring to fig. 3, if the control module 310 detects that the receiving performance of the antenna 332 is better than that of the antenna 331 after determining that the first target antenna includes the antenna 331 and transmitting the amplified first radio frequency signal through the antenna 331, the control module 310 may determine the antenna 322 as a second target antenna, stop transmitting the first radio frequency signal to the power amplification module 321 (first power amplification module) and transmit the second radio frequency signal to the power amplification module 322 (second power amplification module) connected to the antenna 322, and the power amplification module 322 may amplify the second radio frequency signal and transmit the amplified second radio frequency signal through the second target antenna.
Therefore, by implementing the wireless communication circuit, the first target antenna with better receiving performance can be selected from the plurality of antennas, so that the first target antenna can be used as a transmitting antenna of radio frequency signals, and the transceiving performance of the radio frequency signals is improved. In addition, by implementing the wireless communication circuit, a switch circuit can be omitted in the radio frequency front-end circuit, and the switching of the transmitting antenna is performed through the switching of the power amplification module, so that the design of the radio frequency front-end circuit can be simplified, the link loss of the radio frequency front-end circuit can be reduced, and the radio frequency signal receiving and transmitting performance of the electronic equipment can be improved.
In addition, the wireless communication circuit disclosed in the foregoing embodiment is also beneficial to reducing the path routing after the antenna switching, and reducing the insertion loss, thereby further improving the radio frequency signal transceiving performance of the electronic device.
For example, please refer to fig. 4 and 5. Fig. 4 is a diagram showing an example of a stacked structure of a wireless communication circuit in the related art. As shown in fig. 4, the power amplification module 411 is connected to the antenna 421 and the antenna 422, and if the transmitting antenna is switched from the antenna 421 to the antenna 422, the path from the power amplification module 410 to the antenna 422 after switching is longer, and the insertion loss is too large. Especially when the antenna 421 is disposed on the top or bottom side of the electronic device, the antenna 422 is disposed on the side of the electronic device, and the electronic device is in the landscape state, the antenna 421 may be held and thus shielded, and the antenna 422 needs to take on the main role of transmitting the radio frequency signal. At this time, if the insertion loss is too large, the transceiving performance of the radio frequency signal will be seriously affected.
Fig. 5 is a diagram illustrating an example of a stacked structure of a wireless communication circuit according to an embodiment of the present application. As shown in fig. 5, the positions of the power amplification module 411, the antenna 421 and the antenna 422 in the electronic device are not changed compared to fig. 5, but the power amplification module 412 is added. The power amplification module 411 may be connected to an antenna 421, and the power amplification module 412 may be connected to an antenna 422. If the transmitting antenna is switched from the antenna 421 to the antenna 422, the power amplifying module 412 sends a radio frequency signal to the antenna 422 after the switching. The path length from the power amplification module 412 to the antenna 422 is smaller than the path length from the power amplification module 411 to the antenna 422, thereby being beneficial to reducing insertion loss.
Therefore, by the adoption of the wireless communication circuit disclosed by the embodiment of the application, insertion loss can be reduced, and the radio frequency signal receiving and transmitting performance of the electronic equipment is improved.
In one embodiment, the wireless communication circuit may include a switch circuit in addition to the circuit modules disclosed in the foregoing embodiments. One end of the switch circuit can be connected with the first power amplification module, the other end of the switch circuit can be respectively connected with the at least two antennas, and the at least two antennas connected with the first switch circuit comprise a first target antenna.
And the switch circuit can be used for switching the on or off state of a connection link between the first power amplification module and the at least two antennas respectively. The switch circuit may include a double-pole double-throw (2P 2T) switch, a triple-pole triple-throw (3P 3T) switch, and the like, but is not limited thereto.
Optionally, the control module may be configured to control the switch circuit to switch to the first state after the first target antenna is determined, so that a connection link between the first power amplification module and the first target antenna is in a conducting state, and a connection link between the first power amplification module and another antenna is in a disconnecting state. The aforementioned other antennas may include any antenna connected to the first power amplifying module other than the first target antenna.
Optionally, the control module may be further configured to, after the first radio frequency signal after being amplified is transmitted through the first target antenna, and when a second target antenna is determined from each antenna according to a reception performance parameter of each antenna included in the wireless communication line and the second target antenna is connected to the first power amplification module, control the switch circuit to switch to the second state, so that a link between the first power amplification module and the second target antenna is in a conducting state, and a connection link between the first power amplification module and another antenna is in a disconnecting state; the other antenna includes any antenna connected to the first power amplification module except the second target antenna.
For example, please refer to fig. 6, fig. 6 is a schematic structural diagram of another wireless communication circuit according to an embodiment. As shown in fig. 6, wireless communications circuitry 600 may include: the control module 610, the power amplification module 621, the power amplification module 622, the antenna 631, the antenna 632, the antenna 633 and the switch circuit 640. The connection relationship between the control module and the power amplification module 621 and the power amplification module 622, and the connection relationship between the power amplification module 622 and the antenna 633 are similar to those of the wireless communication circuit in the foregoing embodiments, and the following description is omitted.
In addition, one end of the power amplification module 621 may be connected to one end of the switch circuit 640, and the other end of the switch circuit 640 may be connected to the antenna 631 and the antenna 632, respectively. The switch circuit 640 may be used to switch the on or off state of the connection link between the power amplification module 621 and the antenna 631 and 632.
If the control module 610 determines that the antenna 631 is the first target antenna, the control module 610 may control the switch circuit 640 to switch to the first state, so that the connection link between the power amplification module 621 (the first power amplification module) and the antenna 631 is in a conducting state, and the connection link between the power amplification module 621 and the antenna 632 is in a disconnecting state. Therefore, after the power amplification module 621 amplifies the first radio frequency signal sent by the control module 610, the amplified first radio frequency signal may be sent to the antenna 632 through the connection link conducted between the power amplification module 621 and the antenna 632, so as to transmit the amplified first radio frequency signal through the antenna 632.
It can be seen that, in the foregoing embodiment, when one power amplification module is connected to two or more antennas, switching of the transmitting antennas between the antennas connected to the same power amplification module may be performed by the switching circuit. Meanwhile, each antenna included in the wireless communication circuit can be dispersedly connected with a plurality of different power amplification modules, the number of switches included in the radio frequency front-end circuit is reduced as much as possible, and the complexity of the radio frequency front-end circuit is reduced to a certain extent.
For example, referring to fig. 7, fig. 7 is a schematic structural diagram of another wireless communication circuit according to an embodiment of the disclosure. As shown in fig. 7, the wireless communication circuitry 700 may include: the power amplifier comprises a control module 710, two power amplification modules including a power amplification module 721 and a power amplification module 722; four antennas including antenna 731, antenna 732, antenna 733, and antenna 734; two switching circuits including a double pole double throw switch 741 and a double pole double throw switch 742; and two receiving modules including a receiving module 751 and a receiving module 752. The antenna 731, the antenna 732, the antenna 733, and the antenna 734 are all antennas supporting LTE bands.
As shown in fig. 7, the control module 710 is connected to the power amplification module 721 and the power amplification module 722 respectively, the power amplification module 721 may be connected to one input terminal of the double-pole double-throw switch 741, the receiving module 751 may be connected to the other input terminal of the double-pole double-throw switch 741, and two output terminals of the double-pole double-throw switch 741 may be connected to the antenna 731 and the antenna 732 respectively.
The power amplification module 722 may be connected to one input terminal of the double-pole double-throw switch 742, the reception module 752 may be connected to the other input terminal of the double-pole double-throw switch 742, and the output terminals of the double-pole double-throw switch 742 may be connected to the antenna 733 and the antenna 734, respectively.
The control module 710 may be configured to determine a first target antenna from each antenna based on the received signal strength of each antenna.
If the first target antenna includes the antenna 731, the control module 710 may determine the power amplification module 721 as the first power amplification module, so as to transmit the first radio frequency signal to the power amplification module 721, and switch the double-pole double-throw switch 741 to the first state, so as to enable a connection link between the antenna 731 and the power amplification module 721 to be in a conducting state, and enable a connection link between the antenna 732 and the power amplification module 721 to be in a disconnecting state. Therefore, the power amplification module 721 may amplify the first rf signal, and transmit the amplified first rf signal to the antenna 731 through the connection link conducted between the antenna 731 and the power amplification module 721, so that the antenna 731 transmits the amplified first rf signal.
In addition, the double-pole double-throw switch 741 can be used to switch the connection link between the receiving module 751 and the antenna 731 and 732 to be on or off. If the first target antenna includes the antenna 731, the control module 710 may further switch the double pole double throw switch 741 to a third state, so that the connection link between the antenna 731 and the receiving module 751 is in a conducting state, and the connection link between the antenna 732 and the receiving module 751 is in a disconnected state. Therefore, the rf signal transmitted by a network device such as a base station can be received by the antenna 731, and the rf signal received by the antenna 731 is transmitted to the receiving module 751 through the conductive connection link between the antenna 731 and the receiving module 751, so as to implement receiving of the rf signal.
In some embodiments, after the control module 710 determines the antenna 731 as a first target antenna and transmits the amplified first rf signal through the antenna 731, if a second target antenna determined by the control module 710 from each antenna according to the received signal strength of each antenna includes the antenna 732 connected to the same power amplification module 721 as the antenna 731, the control module 710 may switch the double-pole double-throw switch 741 to a second state, so that a connection link between the antenna 732 and the power amplification module 721 is in a conducting state, and a connection link between the antenna 731 and the power amplification module 721 is in a disconnecting state.
Therefore, the power amplification module 721 may amplify the first radio frequency signal sent by the control module 710, and send the amplified first radio frequency signal to the antenna 732 through the connection link conducted between the antenna 732 and the power amplification module 721, so that the antenna 732 transmits the amplified first radio frequency signal.
In addition, after the control module 710 switches to the antenna 732 to transmit the amplified first rf signal, the control module 710 may control the double-pole double-throw switch 741 to maintain the third state, and continue to receive the rf signal through the antenna 731; alternatively, the control module 710 may also control the double-pole double-throw switch 741 to switch to the fourth state, so that the connection link between the antenna 732 and the receiving module 751 is in a conducting state, and the connection link between the antenna 731 and the receiving module 751 is in a disconnecting state, so that the radio frequency signal received by the antenna 732 can be transmitted to the receiving module 751 through the connection link conducted between the antenna 732 and the receiving module 751.
In some embodiments, after the control module 710 determines the antenna 731 as a first target antenna and transmits the amplified first radio frequency signal through the antenna 731, if a second target antenna determined by the control module 710 from each antenna according to the received signal strength of each antenna includes the antenna 733 connected to a different power amplification module from the antenna 731, the control module 710 may determine the power amplification module 722 as a second power amplification module, stop transmitting the first radio frequency signal to the power amplification module 721 (the first power amplification module) and transmit the second radio frequency signal to the power amplification module 722, and switch the double-pole double-throw switch 742 to the second state, so that a connection link between the antenna 733 and the power amplification module 722 is in a conducting state and a connection link between the antenna 734 and the power amplification module 722 is in a disconnected state.
Therefore, the power amplification module 722 may amplify the second radio frequency signal, and send the amplified second radio frequency signal to the antenna 733 through the connection link conducted between the antenna 733 and the power amplification module 722, so that the antenna 733 emits the amplified second radio frequency signal.
In addition, the double-pole double-throw switch 742 may be further configured to switch a connection link between the receiving module 752 and the antenna 733 and the antenna 734 to an on state or an off state, respectively, so that the antenna 733 or the antenna 734 may send the received radio frequency signal to the receiving module 752, and receive the radio frequency signal. The implementation of the double-pole double-throw switch 742 for switching the on or off states of the two connection links can be similar to the double-pole double-throw switch 741, and the following description is omitted.
It can be seen that, in the foregoing embodiment, the wireless communication circuit may switch the transmitting antennas between the antennas connected to the same power amplification module through switching of the switch circuit, and may also switch the transmitting antennas between the antennas connected to different power amplification modules through switching of the power amplification modules. Therefore, the wireless communication circuit can switch the transmitting link of the radio frequency signal to the antenna with the optimal performance in real time through the synergistic effect of the control module and the switch circuit, so that the extremely simple switching is realized, and the radio frequency signal receiving and transmitting performance of the electronic equipment is improved.
In one embodiment, the transmitting antenna of the wireless communication circuit may be switched from a third target antenna, which may be an antenna that transmits radio frequency signals before the first target antenna, to the first target antenna, which may be different from the first target antenna.
The control module may be further configured to perform, after the first target antenna transmits the amplified first radio frequency signal, transmit antenna switching of the radio frequency signal between the first target antenna and the third target antenna according to the transmit power of the first target antenna.
The above-mentioned transmission power can be used for measuring the signal transmission capability of the antenna, and the higher the transmission power is, the stronger the signal transmission capability of the antenna is. Performing transmit antenna switching of radio frequency signals between a first target antenna and a third target antenna, comprising: continuing to use the first target antenna as a transmitting antenna of the radio frequency signal; alternatively, the transmitting antenna for the radio frequency signal is switched from the first target antenna to the third target antenna.
Optionally, the control module may be configured to continue to send the first radio frequency signal to the first target antenna when the transmission power of the first target antenna is greater than or equal to the power threshold, so as to continue to use the first target antenna as the transmission antenna of the radio frequency signal. The power threshold may be set according to actual traffic requirements, for example, may be set to 3 decibels (dB), 5dB, or the like.
Optionally, the control module may be further configured to stop sending the first radio frequency signal to the first power amplification module when the transmission power of the first target antenna is smaller than the power threshold, and send a third radio frequency signal to a third target module connected to a third target antenna;
and the third power amplification module can be used for receiving the third radio frequency signal sent by the control module, amplifying the third radio frequency signal and transmitting the amplified third radio frequency signal through a third target antenna. The third power amplification module may be different from the first power amplification module.
Optionally, the control module may be further configured to continue to send the first radio frequency signal to the first power amplification module when the transmission power of the first target antenna is smaller than the power threshold and the third target antenna is connected to the first power amplification module, and transmit the amplified first radio frequency signal through the third target antenna. That is, the third target antenna and the first target antenna may be connected to the same power amplification module.
That is, when the transmission power of the first target antenna is large, the first target antenna can be continuously used as the transmission antenna of the radio frequency signal; when the transmitting power of the first target antenna is smaller, the third target antenna is used as the transmitting antenna of the radio-frequency signal, so that the overall transmitting performance can be improved.
It can be seen that, in the foregoing embodiment, the transmitting antenna of the radio frequency signal may be switched between different antennas, and if the transmitting power of the first target antenna is lower after the transmitting antenna is switched from the third target antenna to the first target antenna, the control module may switch the transmitting antenna back to the third target antenna, so as to avoid the antenna with lower transmitting power from transmitting the radio frequency signal for a long time, thereby improving the overall transmitting performance.
Referring to fig. 8, fig. 8 is a flowchart illustrating a wireless communication method according to an embodiment, where the method is applicable to an electronic device including any one of the wireless communication circuits. As shown in fig. 8, the method may include the steps of:
810. the method comprises the steps of determining a first target antenna from all antennas according to receiving performance parameters of all antennas included in a wireless communication circuit, and sending a first radio-frequency signal to a first power amplification module connected with the first target antenna.
Alternatively, the electronic device may determine, as the first target antenna, an antenna having the highest received signal strength among the antennas included in the wireless communication circuit.
820. The first power amplification module is used for receiving the first radio frequency signal, amplifying the first radio frequency signal and transmitting the amplified first radio frequency signal through the first target antenna.
In one embodiment, after the first target antenna transmits the amplified first radio frequency signal, when a second target antenna is determined from the antennas according to the reception performance parameters of the antennas included in the wireless communication line, the electronic device may stop transmitting the first radio frequency signal to the first power amplification module, and transmit the second radio frequency signal to a second power amplification module connected to the second target antenna;
and the electronic equipment can receive the second radio-frequency signal through the second power amplification module, amplify the second radio-frequency signal and transmit the amplified second radio-frequency signal through the second target antenna.
In one embodiment, after determining the first target antenna, the electronic device may further control the switch circuit to switch to the first state, so that a connection link between the first power amplification module and the first target antenna is in a conducting state, and a connection link between the first power amplification module and another antenna is in a disconnecting state; the other antenna includes any antenna connected to the first power amplification module except the first target antenna.
In an embodiment, after the first target antenna transmits the amplified first radio frequency signal, when a second target antenna is determined from the antennas according to the receiving performance parameters of the antennas included in the wireless communication line and the second target antenna is connected to the first power amplification module, the electronic device may further control the switch circuit to switch to the second state, so that a link between the first power amplification module and the second target antenna is in a conducting state, and a connection link between the first power amplification module and another antenna is in a disconnecting state; the other antennas include any antenna connected to the first power amplification module except for the second target antenna.
In one embodiment, after the first target antenna transmits the amplified first radio frequency signal, the electronic device may further perform transmit antenna switching of the radio frequency signal between the first target antenna and a third target antenna according to the transmission performance parameter of the first target antenna, where the third target antenna is an antenna that performs radio frequency signal transmission before the first target antenna.
In one embodiment, the electronic device may further stop sending the first radio frequency signal to the first power amplification module and send a third radio frequency signal to a third power amplification module connected to a third target antenna when the transmission power of the first target antenna is smaller than a power threshold;
and the electronic device may further receive the third radio frequency signal through the third power amplification module, amplify the third radio frequency signal, and transmit the amplified third radio frequency signal through the third target antenna.
In an embodiment, when the transmission power of the first target antenna is smaller than the power threshold and the third target antenna is connected to the first power amplification module, the electronic device may further continue to send the first radio frequency signal to the first power amplification module and transmit the amplified first radio frequency signal through the third target antenna.
By implementing the method, the first target antenna with better receiving performance can be selected from the plurality of antennas, so that the first target antenna can be used as a transmitting antenna of the radio-frequency signal to improve the receiving and transmitting performance of the radio-frequency signal. In addition, a switch circuit can be omitted in the radio frequency front-end circuit, and the switching of the transmitting antenna is carried out through the switching of the power amplification module, so that the design of the radio frequency front-end circuit can be simplified, the link loss of the radio frequency front-end circuit can be reduced, and the radio frequency signal receiving and transmitting performance of the electronic equipment can be improved.
Referring to fig. 9, fig. 9 is a schematic structural diagram of another electronic device according to an embodiment.
As shown in fig. 9, the electronic device 900 may include:
a memory 910 in which executable program code is stored;
a processor 920 coupled to the memory 910, and a radio frequency module 930 coupled to the processor 920.
The processor 920 calls the executable program code stored in the memory 910 to execute any one of the wireless communication methods disclosed in the embodiments of the present application. In some embodiments, the wireless communication circuitry includes a control module that may be the processor 920.
A radio frequency module 930, configured to receive and transmit signals during information transmission and reception or during a call, and in particular, receive downlink information of a base station and then process the downlink information to the processor 920; in addition, the data for designing uplink is transmitted to the base station. Generally, the rf module 910 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like. In addition, the rf module 910 may 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 global system for mobile communications (GSM), general Packet Radio Service (GPRS), code Division Multiple Access (CDMA), wideband Code Division Multiple Access (WCDMA), long term evolution, email, short Message Service (SMS), etc.
In some embodiments, the rf module 930 may include all or part of the wireless communication circuit described in the above embodiments.
It should be noted that the electronic device shown in fig. 9 may further include components, which are not shown, such as a power supply, an input key, a camera, a speaker, a screen, an RF circuit, a Wi-Fi module, a bluetooth module, and a sensor, which are not described in detail in this embodiment.
The embodiment of the application discloses a computer readable storage medium, which stores a computer program, wherein the computer program realizes the method described in the above embodiments when being executed by a processor.
Embodiments of the present application disclose a computer program product comprising a non-transitory computer readable storage medium storing a computer program, and the computer program, when executed by a processor, implements the method as described in the embodiments above.
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 application. 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. Those skilled in the art should also appreciate that the embodiments described in this specification are all alternative embodiments and that the acts and modules involved are not necessarily required for this application.
In various embodiments of the present application, it should be understood that the sequence numbers of the above-mentioned processes do not imply a necessary order of execution, and the order of execution of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated units, if implemented as software functional units and sold or used as separate products, may be stored in a computer accessible memory. Based on such understanding, the technical solution of the present application, which is a part of or contributes to the prior art in essence, or all or part of the technical solution, may be embodied in the form of a software product, stored in a memory, including several requests for causing a computer device (which may be a personal computer, a server, a network device, or the like, and may specifically be a processor in the computer device) to execute part or all of the steps of the above-described method of the embodiments of the present application.
It will be understood by those skilled in the art that all or part of the steps of the methods of the above embodiments may be implemented by program instructions associated with hardware, and the program may be stored in a computer-readable storage medium, which includes Read-Only Memory (ROM), random Access Memory (RAM), programmable Read-Only Memory (PROM), erasable Programmable Read-Only Memory (EPROM), one-time Programmable Read-Only Memory (OTPROM), electrically Erasable Programmable Read-Only Memory (EEPROM), an optical Disc-Read-Only Memory (CD-ROM) or other storage medium, a magnetic tape, or any other medium capable of storing data for a computer or other computer.
The foregoing detailed description has been made on a wireless communication circuit, an electronic device, and a wireless communication method disclosed in the embodiments of the present application, and specific examples are applied herein to explain the principles and embodiments of the present application. Meanwhile, for a person skilled in the art, according to the idea of the present application, the specific implementation manner and the application scope may be changed, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (11)
1. A wireless communication circuit, comprising: the antenna comprises a control module, at least two power amplification modules and at least two antennas, wherein the control module is respectively connected with each power amplification module, and each power amplification module is respectively connected with at least one antenna;
the control module is configured to determine a first target antenna from the antennas according to the reception performance parameters of the antennas included in the wireless communication circuit, and send a first radio frequency signal to a first power amplification module connected to the first target antenna; the receiving performance parameters comprise received signal strength, and if a plurality of antennas with the received signal strength higher than a threshold exist in the wireless communication circuit, the control module determines an antenna closest to a physical distance between the connected power amplification modules in the plurality of antennas with the received signal strength higher than the threshold as a first target antenna;
the first power amplification module is configured to receive the first radio frequency signal sent by the control module, amplify the first radio frequency signal, and transmit the amplified first radio frequency signal through the first target antenna;
the control module is further configured to, after the first target antenna transmits the amplified first radio frequency signal, if a second target antenna is determined again from the antennas according to the reception performance parameters of the antennas included in the wireless communication line and the second target antenna is connected to a second power amplification module, stop sending the first radio frequency signal to the first power amplification module and send a second radio frequency signal to the second power amplification module;
the second power amplification module is configured to receive the second radio frequency signal sent by the control module, amplify the second radio frequency signal, and transmit the amplified second radio frequency signal through the second target antenna.
2. The circuit of claim 1, wherein the wireless communication circuit further comprises: one end of the switch circuit is connected with the first power amplification module, the other end of the switch circuit is respectively connected with at least two antennas, and the at least two antennas connected with the switch circuit comprise the first target antenna;
the switch circuit is used for switching the connection or disconnection state of the connection link between the first power amplification module and the at least two antennas.
3. The circuit according to claim 2, wherein the control module is further configured to control the switch circuit to switch to a first state after the first target antenna is determined, so as to enable a connection link between the first power amplification module and the first target antenna to be in a conducting state, and enable a connection link between the first power amplification module and another antenna to be in a disconnecting state; the other antenna is any antenna connected with the first power amplification module except the first target antenna.
4. The circuit according to claim 2, wherein the control module is further configured to, after the first target antenna transmits the amplified first radio frequency signal, if a second target antenna is determined again from the antennas according to the reception performance parameters of the antennas included in the wireless communication line, and the second target antenna is connected to the first power amplification module, control the switching circuit to switch to a second state, so that a link between the first power amplification module and the second target antenna is in a conducting state, and a connection link between the first power amplification module and another antenna is in a disconnected state; the other antenna is any antenna connected with the first power amplification module except the second target antenna.
5. The circuit of claim 2, wherein the switching circuit comprises: and the first power amplification module is respectively connected with at least two antennas through the double-pole double-throw switch.
6. The circuit of claim 1 or 5, wherein the wireless communication circuit comprises each antenna supporting an LTE frequency band.
7. The circuit of claim 1, wherein: the control module is further configured to perform transmit antenna switching of radio frequency signals between the first target antenna and a third target antenna according to the transmit power of the first target antenna after the first target antenna transmits the amplified first radio frequency signal, where the third target antenna is an antenna that transmits radio frequency signals before the first target antenna.
8. The circuit of claim 7, wherein the control module is further configured to, when the transmission power of the first target antenna is smaller than a power threshold, if the third target antenna is connected to a third power amplification module, stop sending the first radio frequency signal to the first power amplification module, and send a third radio frequency signal to a third power amplification module connected to the third target antenna;
the third power amplification module is configured to receive the third radio frequency signal sent by the control module, amplify the third radio frequency signal, and transmit the amplified third radio frequency signal through the third target antenna;
alternatively, the first and second electrodes may be,
the control module is further configured to, when the transmission power of the first target antenna is smaller than a power threshold, if the third target antenna is connected to the first power amplification module, continue to send the first radio frequency signal to the first power amplification module, and transmit the amplified first radio frequency signal through the third target antenna.
9. An electronic device comprising the wireless communication circuit of any one of claims 1-8.
10. A wireless communication method, applied to an electronic device including a wireless communication circuit, the wireless communication circuit comprising: the antenna comprises at least two power amplification modules and at least two antennas, wherein each power amplification module is respectively connected with at least one antenna; the method comprises the following steps:
determining a first target antenna from each antenna according to the receiving performance parameters of each antenna included in the wireless communication circuit, and sending a first radio frequency signal to a first power amplification module connected with the first target antenna; the receiving performance parameters comprise received signal strength, and if a plurality of antennas with the received signal strength higher than a threshold exist in the wireless communication circuit, the control module determines an antenna which is closest to a physical distance between the connected power amplification modules in the plurality of antennas with the received signal strength higher than the threshold as a first target antenna;
receiving the first radio frequency signal through the first power amplification module, amplifying the first radio frequency signal, and transmitting the amplified first radio frequency signal through the first target antenna;
after the first target antenna transmits the amplified first radio-frequency signal, if a second target antenna is determined from the antennas again according to the receiving performance parameters of the antennas included in the wireless communication line and the second target antenna is connected with a second power amplification module, stopping transmitting the first radio-frequency signal to the first power amplification module and transmitting a second radio-frequency signal to the second power amplification module;
and receiving the second radio frequency signal through the second power amplification module, amplifying the second radio frequency signal, and transmitting the amplified second radio frequency signal through the second target antenna.
11. An electronic device comprising a memory storing executable program code, and a processor coupled to the memory; wherein the processor invokes the executable program code stored in the memory to perform the method of claim 10.
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| CN115333551A (en) * | 2022-06-27 | 2022-11-11 | 联想(北京)有限公司 | Signal transmission method, device, electronic device and storage medium |
| CN115314065A (en) * | 2022-07-11 | 2022-11-08 | 成都爱旗科技有限公司 | Radio frequency module, onboard antenna switching method of radio frequency module and electronic equipment |
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