Radio frequency transmission system and electronic equipment

Abstract

The embodiment of the utility model relates to the technical field of communication, and discloses a radio frequency transmission system and electronic equipment. According to the utility model, the radio frequency transmission system comprises a transmission processor, a Bluetooth transmission transceiver module, an external WIFI Bluetooth front end module and a change-over switch; the transmission processor is respectively connected with the Bluetooth transmission transceiving module, the external WIFI Bluetooth front-end module and the change-over switch; the change-over switch is also respectively connected with the Bluetooth transmitting and receiving module and the external WIFI Bluetooth front-end module; the transmission processor is used for generating a transmitted signal and processing a received signal, and switching control is carried out on the Bluetooth transmitting and receiving module and the external WIFI Bluetooth front-end module through the change-over switch, so that the Bluetooth transmitting and receiving module and the external WIFI Bluetooth front-end module can transmit the WIFI and the Bluetooth simultaneously under the condition that the WIFI and the Bluetooth need to be transmitted simultaneously. The Bluetooth data can be received, transmitted and transmitted by starting the independent Bluetooth transmission receiving and transmitting module, and the WIFI transmission efficiency and the Bluetooth transmission efficiency of the equipment are improved.

Description

TECHNICAL FIELD

[0001] The embodiment of the utility model relates to communication technical field, especially relate to a radio frequency transmission system and electronic equipment. BACKGROUND

[0002] Wireless local area network communication mode based on IEEE802.11 standard, that is WIFI, and Bluetooth (Bluetooth, BT) are transmission technologies frequently used in communication equipment, in conventional short-distance transmission system, WIFI and Bluetooth are all systems for realizing multiway transmission according to time division principle, that is time-division transmission system, therefore WIFI and BT usually share radio frequency channel.

[0003] However, at least the following problems exist in the related art: in the system where WIFI and Bluetooth share radio frequency channel, only the data transceiver of WIFI can work at the same time, or only the data transceiver of Bluetooth can work; and the signal interference caused by the fact that WIFI and Bluetooth share the same frequency band, for example, the high data transmission rate of WIFI can interfere with Bluetooth devices, affecting the connection stability and data transmission rate of Bluetooth; and on the same frequency band, WIFI with high bandwidth demand can occupy most of the bandwidth, thereby reducing the effective bandwidth obtained by Bluetooth devices, if the transmission or reception path is abnormal, resulting in attenuation or increased error rate, then the transmission rate of WIFI or Bluetooth is unstable, and even interrupted, which can be a serious problem for some safety fields; in addition, due to the need to switch between WIFI and Bluetooth, the delay of data transmission can be increased, affecting the real-time performance of Bluetooth devices (such as audio streaming and other applications). Although Bluetooth is usually designed to be low-power, in the case of coexistence with WIFI, the power consumption can increase due to frequent interference and retransmission. If multiple WIFI and Bluetooth devices are working in the same area at the same time, network congestion will easily occur, affecting the connection quality. Therefore, a radio frequency transmission system and electronic equipment are needed to improve the transmission efficiency of WIFI and Bluetooth. UTILITY MODEL CONTENT

[0004] The purpose of the embodiment of the utility model is to provide a radio frequency transmission system and electronic equipment, so as to reduce the mutual influence of WIFI transmission and Bluetooth transmission, and improve the transmission efficiency of WIFI and Bluetooth.

[0005] To solve the above technical problems, the embodiment of the utility model provides a kind of radio frequency transmission system, comprising: transmission processor, bluetooth transmission transceiver module, external WIFI bluetooth front-end module and switch;The transmission processor is connected with the bluetooth transmission transceiver module, the external WIFI bluetooth front-end module, the switch respectively;The switch is also connected with the bluetooth transmission transceiver module, the external WIFI bluetooth front-end module respectively;The transmission processor is used to realize the generation of transmitting signal and the processing of receiving signal, and the bluetooth transmission transceiver module and the external WIFI bluetooth front-end module are switched controlled by the switch.

[0006] The embodiment of the utility model further provides an electronic equipment, comprising the radio frequency transmission system described above.

[0007] In the embodiment of the utility model, by additionally adding separate bluetooth transmission transceiver module in radio frequency transmission system, so that in the case of needing WIFI and bluetooth transmission simultaneously, the bluetooth data can be received and transmitted by enabling independent bluetooth transmission transceiver module, so as to reduce the mutual transmission influence caused by sharing radio frequency path between bluetooth transmission and WIFI transmission in transmission process of external WIFI bluetooth front-end module, so as to improve the efficiency of equipment WIFI transmission and the efficiency of bluetooth transmission.

[0008] In addition, the external WIFI bluetooth front-end module includes a first WIFI bluetooth transmission transceiver module and a second WIFI bluetooth transmission transceiver module; the first WIFI bluetooth transmission transceiver module and the second WIFI bluetooth transmission transceiver module are connected with the transmission processor respectively, and the first WIFI bluetooth transmission transceiver module and the second WIFI bluetooth transmission transceiver module are connected with the switch respectively. By setting two WIFI bluetooth transmission transceiver modules in external WIFI bluetooth front-end module, the mutual influence between WIFI bluetooth transmission and reception is reduced, and the efficiency of WIFI bluetooth transmission and reception is also improved in the transmission process.

[0009] In addition, the first WIFI Bluetooth transmission transceiver module comprises a first low-power signal transmission line, a first amplified-power signal transmission line, a first signal receiving line, a first switch, a second switch, a third switch, a first transmission signal amplifier and a first receiving signal amplifier; the first low-power signal transmission line is connected with the first switch and the second switch; the first amplified-power signal transmission line is connected with the first switch and the third switch; the second switch is further connected with the third switch and the switching switch respectively; the third switch is further connected with the transmission processor; the first signal receiving line is connected with the transmission processor and the first switch; the first transmission signal amplifier is arranged on the first amplified-power signal transmission line; and the first receiving signal amplifier is arranged on the first signal receiving line.

[0010] In addition, the radio frequency transmission system further comprises a first signal filter; the first signal filter is arranged on the connection line between the third switch and the transmission processor, and / or the first signal filter is arranged on the first signal receiving line.

[0011] In addition, the second WIFI Bluetooth transmission transceiver module comprises a second low-power signal transmission line, a second amplified-power signal transmission line, a second signal receiving line, a fourth switch, a fifth switch, a sixth switch, a second transmission signal amplifier and a second receiving signal amplifier; the second low-power signal transmission line is connected with the fourth switch and the fifth switch; the second amplified-power signal transmission line is connected with the fourth switch and the sixth switch; the fifth switch is further connected with the sixth switch and the switching switch respectively; the sixth switch is further connected with the transmission processor; the second signal receiving line is connected with the transmission processor and the fourth switch; the second transmission signal amplifier is arranged on the second amplified-power signal transmission line; and the second receiving signal amplifier is arranged on the second signal receiving line.

[0012] In addition, the radio frequency transmission system further comprises a second signal filter; the second signal filter is arranged on the connection line between the sixth switch and the transmission processor, and / or the second signal filter is arranged on the second signal receiving line.

[0013] In addition, the Bluetooth transmission transceiver module comprises a third signal receiving circuit, a third signal transmitting circuit, a third receiving signal amplifier, a seventh switch, a third antenna, and a third transmitting signal amplifier; the third signal receiving circuit is connected with the transmission processor and the seventh switch; the third signal transmitting circuit is connected with the switching switch and the seventh switch; the seventh switch is a single-pole double-throw switch; the moving terminal of the seventh switch is connected with the third antenna; the first stationary terminal of the seventh switch is connected with the third signal receiving circuit; the second stationary terminal of the seventh switch is connected with the third signal transmitting circuit; the third receiving signal amplifier is arranged on the third signal receiving circuit; and the third transmitting signal amplifier is arranged on the third signal transmitting circuit.

[0014] In addition, the first WIFI Bluetooth transmission transceiver module is connected with a first antenna, and the second WIFI Bluetooth transmission transceiver module is connected with a second antenna.

[0015] In addition, the switching switch is a single-pole three-throw switch. BRIEF DESCRIPTION OF DRAWINGS

[0016] One or more embodiments are illustrated by way of example in the figures that form a part of this patent document. These example are not intended to limit the application, but to illustrate potentially relevant variations. In the figures, each identical, or similar component that is illustrated in a plurality of figures is represented by a like reference numeral independent of the figure in which it is found. The figures in the drawing are not intended to be to scale with one another.

[0017] Figure 1 is a circuit diagram of a radio frequency channel system in the related art;

[0018] Figure 2 is a structural schematic of a radio frequency transmission system provided by an embodiment of the present application Figure 1 ;

[0019] Figure 3 is a structural schematic of an external WIFI Bluetooth front-end module provided by an embodiment of the present application Figure 1 ;

[0020] Figure 4 is a structural schematic of an external WIFI Bluetooth front-end module provided by an embodiment of the present application Figure 2 ;

[0021] Figure 5 is a structural schematic of a radio frequency transmission system provided by an embodiment of the present application Figure 2 ;

[0022] Figure 6 is a circuit diagram of a radio frequency transmission system provided by an embodiment of the present application. DETAILED DESCRIPTION

[0023] Since in the system of WIFI and Bluetooth sharing the same radio frequency path, as shown in the prior art, Figure 1 only the data transceiver of WIFI or the data transceiver of Bluetooth can work at the same time, and the same frequency band is shared by WIFI and Bluetooth, which may cause signal interference, for example, the high data transmission rate of WIFI may cause interference to the Bluetooth device, affecting the connection stability and data transmission rate of Bluetooth. Moreover, on the same frequency band, WIFI with high bandwidth demand may occupy most of the bandwidth, thereby reducing the effective bandwidth obtained by the Bluetooth device, if the transmission or reception path is abnormal, causing attenuation or increasing the bit error rate, then the transmission rate of WIFI or Bluetooth is unstable, and even interrupted, which may be a serious problem for some safety fields. In addition, since switching needs to be performed between WIFI and Bluetooth, the data transmission delay may be increased, affecting the real-time performance of the Bluetooth device (such as audio streaming and other applications). Although Bluetooth is usually designed to be low-power, in the case of coexistence with WIFI, the power consumption may be increased due to frequent interference and retransmission. If multiple WIFI and Bluetooth devices work in the same area at the same time, network congestion will be easily caused, affecting the connection quality.

[0024] To make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the embodiments of the present application will be described in detail below with reference to the drawings. However, those skilled in the art can understand that in the embodiments of the present application, many technical details are proposed in order to make the readers better understand the present application. However, even without these technical details and various changes and modifications based on the following embodiments, the technical scheme claimed by the present application can be implemented. The division of the following embodiments is for the convenience of description, and should not constitute any limitation on the specific implementation mode of the present application, and the embodiments can be combined and quoted with each other on the premise of no contradiction.

[0025] The embodiment of the utility model relates to a radio frequency transmission system, can apply in mobile phone, computer and other terminal equipment. Radio frequency transmission system includes: transmission processor, bluetooth transmission transceiver module, external WIFI bluetooth front end module and switch, transmission processor with bluetooth transmission transceiver module, external WIFI bluetooth front end module, switch is connected respectively, switch still with bluetooth transmission transceiver module, external WIFI bluetooth front end module is connected respectively, transmission processor is used for realizing the generation of emission signal and the processing of receiving signal, and through switch bluetooth transmission transceiver module and external WIFI bluetooth front end module are switched control. Through adding the separate bluetooth transmission transceiver module in radio frequency transmission system, make in the need WIFI and bluetooth transmission simultaneously, can through the bluetooth transmission transceiver module of enabling bluetooth data's transceiver and transmission, thereby reduce external WIFI bluetooth front end module in transmission process bluetooth transmission and WIFI transmission between the transmission influence of each other because of sharing radio frequency path, thereby improve the efficiency of equipment WIFI transmission and bluetooth transmission efficiency. The implementation details of the embodiment of the utility model radio frequency transmission system are described in detail below, and the following content is only provided for the implementation details of the understanding, and is not the necessary implementation of the scheme.

[0026] As Figure 2 The radio frequency transmission system includes a transmission processor, a Bluetooth transmission transceiver module, an external WIFI Bluetooth front end module and a switch, the transmission processor is connected with the Bluetooth transmission transceiver module, the external WIFI Bluetooth front end module and the switch respectively, the switch is also connected with the Bluetooth transmission transceiver module and the external WIFI Bluetooth front end module respectively, and the transmission processor is used for realizing the generation of emission signal and the processing of receiving signal.

[0027] In one embodiment of the utility model, the external WIFI Bluetooth front end module only includes a WIFI Bluetooth transmission transceiver module, as Figure 3 Indicated.

[0028] In one embodiment of the utility model, as Figure 4 Indicated, the external WIFI Bluetooth front end module includes a first WIFI Bluetooth transmission transceiver module and a second WIFI Bluetooth transmission transceiver module, the first WIFI Bluetooth transmission transceiver module and the second WIFI Bluetooth transmission transceiver module are connected with the transmission processor respectively, and the first WIFI Bluetooth transmission transceiver module and the second WIFI Bluetooth transmission transceiver module are connected with the switch respectively.

[0029] In an embodiment of the utility model, as shown in Figure 5 The radio frequency transmission system includes a transmission processor, a Bluetooth transmission transceiver module, an external WIFI Bluetooth front-end module, and a switch, the external WIFI Bluetooth front-end module includes a first WIFI Bluetooth transmission transceiver module and a second WIFI Bluetooth transmission transceiver module.

[0030] In an embodiment of the utility model, as shown in Figure 6 The radio frequency transmission system includes a transmission processor U1, a Bluetooth transmission transceiver module U2, an external WIFI Bluetooth front-end module U3, and a switch T0; the external WIFI Bluetooth front-end module U3 includes a first WIFI Bluetooth transmission transceiver module U4 and a second WIFI Bluetooth transmission transceiver module U5. The first WIFI Bluetooth transmission transceiver module U4 includes a first low-power signal transmission line L1, a first amplified power signal transmission line L2, a first signal receiving line L3, a first switch T1, a second switch T2, a third switch T3, a first transmission signal amplifier PA1, and a first receiving signal amplifier LNA1; the first low-power signal transmission line L1 is connected to the first switch T1 and the second switch T2; the first amplified power signal transmission line L2 is connected to the first switch T1 and the third switch T3; the second switch T2 is also connected to the third switch T3 and the switch T0; the third switch T3 is also connected to the transmission processor U1; the first signal receiving line L3 is connected to the transmission processor U1 and the first switch T1; the first transmission signal amplifier PA1 is arranged on the first amplified power signal transmission line L2; and the first receiving signal amplifier LNA1 is arranged on the first signal receiving line L3.

[0031] In an embodiment of the utility model, the radio frequency transmission system further includes a first signal filter; the first signal filter is arranged on a connection line between the third switch T3 and the transmission processor U1, and / or the first signal filter is arranged on the first signal receiving line L3. Specifically, as shown in Figure 6 A first WIFI signal filter SAW1 is arranged on a connection line between the third switch T3 and the transmission processor U1, and a first Bluetooth signal filter SAW2 is arranged on the first signal receiving line L3.

[0032] In an embodiment of the utility model, second WIFI bluetooth transmission transceiver module U5 includes: second low power signal transmission circuit L4, second amplified power signal transmission circuit L5, second signal receiving circuit L6, fourth switch T4, fifth switch T5, sixth switch T6, second transmission signal amplifier PA2, second receiving signal amplifier LNA2, second low power signal transmission circuit L4 is connected fourth switch T4 with fifth switch T5, second amplified power signal transmission circuit L5 is connected fourth switch T4 with sixth switch T6, fifth switch T5 still with sixth switch T6 connection, switch T0 is connected respectively, sixth switch T6 still with transmission processor U1 is connected, second signal receiving circuit L6 is connected transmission processor U1 with fourth switch T4, second transmission signal amplifier PA2 is set on second amplified power signal transmission circuit L5, second receiving signal amplifier LNA2 is set on second signal receiving circuit L6.

[0033] In an embodiment of the utility model, the radio frequency transmission system further comprises a second signal filter; the second signal filter is arranged on the connection line between the sixth switch T6 and the transmission processor U1, and / or the second signal filter is arranged on the second signal receiving circuit L6. Figure 6 Specifically, as shown in the figure, a second WIFI signal filter SAW3 is arranged on the connection line between the sixth switch T6 and the transmission processor U1, and a second Bluetooth signal filter SAW4 is arranged on the second signal receiving circuit L6.

[0034] In an embodiment of the utility model, bluetooth transmission transceiver module U2 includes: third signal receiving circuit L7, third signal transmission circuit L8, third receiving signal amplifier LNA3, seventh switch T7, third antenna ANT3, third transmission signal amplifier PA3, third signal receiving circuit L7 is connected transmission processor U1 with seventh switch T7, third signal transmission circuit L8 is connected switch T0 with seventh switch T7, seventh switch T7 is single pole double throw switch, the moving terminal of seventh switch T7 is connected with third antenna ANT3, the first fixed terminal of seventh switch T7 is connected with third signal receiving circuit L7, the second fixed terminal of seventh switch T7 is connected with third signal transmission circuit L8, third receiving signal amplifier LNA3 is arranged on third signal receiving circuit L7, third transmission signal amplifier PA3 is arranged on third signal transmission circuit L8.

[0035] In one embodiment of the utility model, first WIFI bluetooth transmission transceiver module U4 is connected with first antenna ANT1, second WIFI bluetooth transmission transceiver module U5 is connected with second antenna ANT2.

[0036] In one embodiment of the utility model, the switch T0 is a single-pole three-throw switch.

[0037] In one embodiment of the utility model, in the external WIFI bluetooth front end module, one receiving signal amplifier is connected with one single-pole single-throw switch in parallel.

[0038] In one embodiment of the utility model, the first switch T1, the fourth switch T4 are all single-pole three-throw switches, the second switch T2, the third switch T3, the fifth switch T5, the sixth switch T6 are all single-pole double-throw switches.

[0039] In an embodiment of the utility model, transmission processor U1 is used for WIFI and bluetooth signal's emission signal generation, receiving signal processing, calibration, modem, digitization etc. processing, bluetooth transmission transceiver module U2 can be enabled under the condition that bluetooth transmission needs high real time and high throughput, long distance transmission, carries out individual bluetooth transmission, external WIFI bluetooth front end module U3 is time division system, can time division carry out WIFI and bluetooth signal emission and reception, first WIFI bluetooth transmission transceiver module U4 and second WIFI bluetooth transmission transceiver module U5 can carry out direct low power emission to bluetooth signal, or send emission after power amplification to bluetooth signal, and, carry out direct reception or after amplification reception to the received bluetooth signal, switch switch T0 is single pole three throw switch, is used for switching path to WIFI or bluetooth reception or emission signal, first switch T1, fourth switch T4 are all single pole three throw switches, are used for switching path to WIFI or bluetooth reception or emission signal, second switch T2, third switch T3, fifth switch T5, sixth switch T6, seventh switch T7 are all single pole double throw switches, are used for low power direct emission or after PA amplification emission to WIFI or bluetooth signal, switching path, first emission signal amplifier PA1, second emission signal amplifier PA2, third emission signal amplifier PA3 are power amplifiers, are usually used for increasing signal power's electronic equipment, are usually used in the emission circuit of audio system, wireless communication equipment, are used for amplifying emission signal in the utility model, first receiving signal amplifier LNA1, second receiving signal amplifier LNA2, third receiving signal amplifier LNA3 are low noise amplifiers, namely noise coefficient very low's amplifier, is generally used as the high frequency or intermediate frequency preamplifier of various wireless radio receivers, and the amplification circuit of high sensitivity electronic detection equipment, is used for amplifying reception signal in the utility model, first signal filter, second signal filter are acoustic surface filters, adopt quartz crystal, piezoelectric ceramic and other piezoelectric materials, utilize its piezoelectric effect and the physical characteristics of acoustic surface wave propagation and are made into a kind of filter special device;In the utility model, first WIFI signal filter SAW1 and second WIFI signal filter SAW3 are used for filtering WIFI emission signal, and filter out out-of-band spurious signal, first bluetooth signal filter SAW2 and second bluetooth signal filter SAW4 are used for filtering bluetooth signal, and filter out out-of-band spurious signal.

[0040] In an embodiment of the utility model, bluetooth signal transmits, transmission processor U1 emits bluetooth signal, bluetooth signal selects transmission line after reaching switch T0, when normal transmission mode, that is, bluetooth transmission transceiver module U2 is not enabled, bluetooth signal is sent to external WIFI bluetooth front end module U3 through line and carries out signal transmission.

[0041] Take bluetooth signal transmission to first WIFI bluetooth transmission transceiver module U4 as an example, bluetooth signal reaches second switch T2 and determines emission line according to emission transmission throughput, and emission transmission throughput is determined according to bluetooth transmission environment and bluetooth transmission distance.If bluetooth transmission environment is better, and bluetooth transmission distance is shorter, then emission throughput is higher.Second switch T2 selects first low-power signal emission line L1 directly and transmits bluetooth signal to first antenna ANT1 through first switch T1 at this time, if bluetooth transmission environment is poor, and bluetooth transmission distance is far, then emission throughput is lower, at this time, second switch T2 selects first amplified power signal emission line L2 and transmits bluetooth signal to first antenna ANT1 through first switch T1 after amplifying through first emission signal amplifier PA1. Similarly, since the structure of second WIFI bluetooth transmission transceiver module U5 is same with the structure of first WIFI bluetooth transmission transceiver module U4, the transmission mode of bluetooth signal in second WIFI bluetooth transmission transceiver module U5 is same with the transmission mode in first WIFI bluetooth transmission transceiver module U4, the utility model does not repeat here.

[0042] In an embodiment of the utility model, bluetooth signal receives, according to the packet loss rate, whether first WIFI bluetooth transmission transceiver module U4 or second WIFI bluetooth transmission transceiver module U5 carries out the receiving of signal.If the bluetooth signal packet loss rate of first WIFI bluetooth transmission transceiver module U4 is lower than the bluetooth signal packet loss rate of second WIFI bluetooth transmission transceiver module U5, then carries out the receiving of bluetooth signal through first WIFI bluetooth transmission transceiver module, if the bluetooth signal packet loss rate of second WIFI bluetooth transmission transceiver module U5 is lower than the bluetooth signal packet loss rate of first WIFI bluetooth transmission transceiver module U4, then carries out the receiving of bluetooth signal through second WIFI bluetooth transmission transceiver module U5.Take the bluetooth signal through circuit transmission to first WIFI bluetooth transmission transceiver module U4 as an example, bluetooth signal reaches first switch T1 through first antenna ANT1 at this time, when bluetooth signal intensity is strong, can directly pass through the passageway of closed single-pole single-throw switch and send bluetooth signal to first bluetooth signal filter SAW2 and transmit to transmission processor U1 after filtering, when bluetooth signal intensity is weak, then through first receiving signal amplifier LNA1 in first signal receiving circuit L3, bluetooth signal is amplified, and then through first bluetooth signal filter SAW2 and transmit to transmission processor U1 after filtering. Similarly, since the structure of second WIFI bluetooth transmission transceiver module U5 is same with the structure of first WIFI bluetooth transmission transceiver module U4, the transmission mode of bluetooth signal in second WIFI bluetooth transmission transceiver module U5 is same with the transmission mode in first WIFI bluetooth transmission transceiver module U4, the utility model does not repeat here.

[0043] In the embodiment of the utility model, when first WIFI bluetooth transmission transceiver module and second WIFI bluetooth transmission transceiver module are included in external WIFI bluetooth front end module, that is, a backup transmission scheme is added in the radio frequency transmission system, improving the transmission stability of the radio frequency transmission system. When circuit failure occurs in either of first WIFI bluetooth transmission transceiver module U4 or second WIFI bluetooth transmission transceiver module U5, resulting in significant circuit attenuation, the bluetooth signal can be switched to the other module for transmission, without obvious adverse effects on the performance of bluetooth signal transmission throughput. Moreover, by selecting the optimal transmission path for transmission according to the packet loss rate and throughput variation of bluetooth signal transmission, the bluetooth signal transmission efficiency and stability of the radio frequency transmission system are improved.

[0044] In an embodiment of the utility model, if the bluetooth signal transmission rate and real-time, distance requirement is higher, bluetooth transmission transceiver module U2 is used alone to carry out bluetooth signal transceiving processing, bluetooth signal and WIFI signal do not share transmission system at this moment. When bluetooth signal is transmitted, bluetooth signal is transmitted to third signal transmission circuit L8 from transmission processor U1 through switch T0, bluetooth signal is amplified through third transmission signal amplifier PA3, and is transmitted to third antenna ANT3 for transmission through seventh switch T7; when bluetooth signal is received, bluetooth signal is received through third antenna ANT3, and is transmitted to third signal receiving circuit L7 through seventh switch T7, and is transmitted to transmission processor U1 for processing after being amplified through third receiving signal amplifier LNA3.

[0045] In the embodiment of the utility model, through adding separate bluetooth transmission transceiver module in radio frequency transmission system, when WIFI and bluetooth need to be transmitted simultaneously, bluetooth data transceiving and transmission can be carried out through enabling independent bluetooth transmission transceiver module, so that the mutual transmission influence caused by sharing radio frequency path between bluetooth transmission and WIFI transmission in the transmission process of external WIFI bluetooth front end module is reduced, and the efficiency of WIFI transmission and the efficiency of bluetooth transmission of equipment are improved.

[0046] The step division of the above method is only for clear description, and can be combined as one structure or split some structures to decompose into multiple structures as long as the same logical relationship is included, and all are within the protection scope of the patent; adding irrelevant modification or introducing irrelevant design in the structure, but not changing the core design of the structure is within the protection scope of the patent.

[0047] In addition, the examples mentioned in the above embodiments can be freely combined, and any combination can be understood as an embodiment. The "embodiment" or "example" appearing at various positions in the specification does not necessarily mean the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. Those skilled in the art can understand that the embodiments described herein can be combined with other embodiments.

[0048] In summary, specific embodiments of the present subject matter have been described. Other embodiments are within the scope of the appended claims. In the description of embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly specified.

[0049] In the description of the embodiments of the present application, the term "and / or" is only to describe the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B, which can represent the three cases of A, A and B existing at the same time, and B existing. In addition, the character " / " in this paper generally represents that the front and rear associated objects are a "or" relationship.

[0050] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the technical terms "connected", "connected" and the like should be understood broadly, for example, it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0051] Another embodiment of the utility model relates to an electronic device, including the above-mentioned radio frequency transmission system.

[0052] In the embodiments of the utility model, by adding a separate Bluetooth transmission transceiver module in the radio frequency transmission system, in the case of needing WIFI and Bluetooth transmission at the same time, the Bluetooth data can be received and transmitted through the independent Bluetooth transmission transceiver module, so as to reduce the mutual transmission influence caused by sharing the radio frequency path between Bluetooth transmission and WIFI transmission in the transmission process of the external WIFI Bluetooth front-end module, thereby improving the efficiency of WIFI transmission and the efficiency of Bluetooth transmission of the device.

[0053] Those skilled in the art can understand that the above embodiments are specific embodiments for implementing the utility model, and in actual application, various changes can be made in form and details without departing from the spirit and scope of the utility model.

Claims

1. A radio frequency transmission system, characterized in that, include: Transmission processor, Bluetooth transmission transceiver module, external WIFI and Bluetooth front-end module, and switch; The transmission processor is connected to the Bluetooth transmission transceiver module, the external WIFI Bluetooth front-end module, and the switch, respectively. The switching switch is also connected to the Bluetooth transmission transceiver module and the external WIFI Bluetooth front-end module, respectively. The transmission processor is used to generate transmitted signals and process received signals, and controls the switching between the Bluetooth transceiver module and the external WIFI Bluetooth front-end module through the switching switch.

2. The radio frequency transmission system according to claim 1, characterized in that, The external WIFI and Bluetooth front-end module includes a first WIFI and Bluetooth transmission and transceiver module and a second WIFI and Bluetooth transmission and transceiver module. The first WIFI Bluetooth transceiver module and the second WIFI Bluetooth transceiver module are respectively connected to the transmission processor, and the first WIFI Bluetooth transceiver module and the second WIFI Bluetooth transceiver module are respectively connected to the switch.

3. The radio frequency transmission system according to claim 2, characterized in that, The first WIFI Bluetooth transmission transceiver module includes: a first low-power signal transmitting line, a first high-power signal transmitting line, a first signal receiving line, a first switch, a second switch, a third switch, a first transmitting signal amplifier, and a first receiving signal amplifier; The first low-power signal transmission line connects the first switch and the second switch; The first amplified power signal transmission line is connected to the first switch and the third switch; The second switch is also connected to the third switch and the switching switch respectively; the third switch is also connected to the transmission processor; The first signal receiving line connects the transmission processor and the first switch; The first transmitting signal amplifier is installed on the first amplified power signal transmitting line; the first receiving signal amplifier is installed on the first signal receiving line.

4. The radio frequency transmission system according to claim 3, characterized in that, The radio frequency transmission system also includes a first signal filter; The first signal filter is disposed on the connection line between the third switch and the transmission processor, and / or the first signal filter is disposed on the first signal receiving line.

5. The radio frequency transmission system according to claim 2, characterized in that, The second WIFI Bluetooth transmission transceiver module includes: a second low-power signal transmitting line, a second high-power signal transmitting line, a second signal receiving line, a fourth switch, a fifth switch, a sixth switch, a second transmitting signal amplifier, and a second receiving signal amplifier; The second low-power signal transmission line connects the fourth switch and the fifth switch; The second amplified power signal transmission line connects the fourth switch and the sixth switch; The fifth switch is also connected to the sixth switch and the switching switch respectively; the sixth switch is also connected to the transmission processor; The second signal receiving line connects the transmission processor and the fourth switch; The second transmitting signal amplifier is installed on the second amplified power signal transmitting line; the second receiving signal amplifier is installed on the second signal receiving line.

6. The radio frequency transmission system according to claim 5, characterized in that, The radio frequency transmission system also includes a second signal filter; The second signal filter is disposed on the connection line between the sixth switch and the transmission processor, and / or the second signal filter is disposed on the second signal receiving line.

7. The radio frequency transmission system according to claim 1, characterized in that, The Bluetooth transceiver module includes: a third signal receiving line, a third signal transmitting line, a third receiving signal amplifier, a seventh switch, a third antenna, and a third transmitting signal amplifier; The third signal receiving line is connected to the transmission processor and the seventh switch; the third signal transmitting line is connected to the switching switch and the seventh switch; The seventh switch is a single-pole double-throw switch; the moving end of the seventh switch is connected to the third antenna; the first stationary end of the seventh switch is connected to the third signal receiving line; and the second stationary end of the seventh switch is connected to the third signal transmitting line. The third receiving signal amplifier is disposed on the third receiving line; the third transmitting signal amplifier is disposed on the third transmitting line.

8. The radio frequency transmission system according to claim 2, characterized in that, The first WIFI Bluetooth transceiver module is connected to the first antenna; the second WIFI Bluetooth transceiver module is connected to the second antenna.

9. The radio frequency transmission system according to claim 2, characterized in that, The switching switch is a single-pole three-throw switch.

10. An electronic device, characterized in that, Includes the radio frequency transmission system as described in any one of claims 1 to 9.

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