CN113382484A

CN113382484A - Customer premises equipment

Info

Publication number: CN113382484A
Application number: CN202110838836.9A
Authority: CN
Inventors: 李宏源
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2021-09-10
Anticipated expiration: 2041-07-23
Also published as: CN113382484B

Abstract

The application relates to a customer premises equipment. The client front-end device includes: an antenna group comprising a first antenna and a second antenna; the receiving circuit is connected with the first antenna and used for supporting the receiving processing of the radio frequency signals received by the first antenna and outputting first radio frequency signals and second radio frequency signals; the second radio frequency signal is a 5G frequency band radio frequency signal; the radio frequency processing circuit is connected with the receiving circuit and used for receiving and processing the first radio frequency signal; and the amplifying circuit is respectively connected with the receiving circuit and the second antenna and is used for amplifying the second radio-frequency signal and then radiating the second radio-frequency signal by the second antenna. According to the indoor coverage enhancement method and device, the received radio frequency signals are separated into the first radio frequency signals and the second radio frequency signals of the 5G frequency band through the receiving circuit, the second radio frequency signals are radiated through the second antenna after being amplified through the amplifying circuit, the receiving link of the multiplexing client front-end device receives and amplifies the 5G frequency band signals for output, the coverage enhancement is achieved, and the indoor coverage enhancement of the 5G signals is achieved with low cost.

Description

Customer premises equipment

Technical Field

The invention relates to the technical field of antennas, in particular to customer premises equipment.

Background

With the development of communication technology, 5G technology appears, but at present, the deployment of 5G base stations is still immature, the deployment cost is high, and more areas are still difficult to cover 5G signals. Because the self frequency of the 5G signal is higher, the attenuation of the 5G signal is larger, the indoor 5G coverage intensity is poorer, in order to meet the normal use of an indoor area, a special signal amplification device needs to be arranged, and the arrangement cost is higher.

Disclosure of Invention

The embodiment of the application provides a client front-end device, which can realize indoor coverage enhancement of 5G signals at low cost.

A customer premises equipment comprising:

an antenna group comprising a first antenna and a second antenna;

a receiving circuit, connected to the first antenna, for supporting a receiving process of a radio frequency signal received by the first antenna and outputting the first radio frequency signal and a second radio frequency signal; the second radio frequency signal is a 5G frequency band radio frequency signal;

the radio frequency processing circuit is connected with the receiving circuit and is used for receiving and processing the first radio frequency signal;

and the amplifying circuit is respectively connected with the receiving circuit and the second antenna and is used for amplifying the second radio-frequency signal and then radiating the second radio-frequency signal by the second antenna.

According to the customer premises equipment, the radio-frequency signal received by the first antenna is received and processed through the receiving circuit and is separated into the first radio-frequency signal and the second radio-frequency signal of the 5G frequency band, the first radio-frequency signal is transmitted to the radio-frequency processing circuit to be processed, the second radio-frequency signal is amplified by the amplifying circuit and then directly radiated by the second antenna, the receiving link of the customer premises equipment is multiplexed to receive and process the radio-frequency signal of the 5G frequency band and then amplify and output the radio-frequency signal, enhanced coverage is achieved, a special signal amplifying device does not need to be arranged, and indoor enhanced coverage of the 5G signal is achieved at low cost.

Drawings

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

FIG. 1 is a schematic diagram illustrating an application scenario of a client front-end device according to an embodiment;

FIG. 2 is a schematic diagram of an RF circuit of a client premises equipment according to an embodiment;

FIG. 3 is a second schematic diagram of the RF circuit of the client premises equipment according to an embodiment;

FIG. 4 is a third schematic diagram of the RF circuit of the client premises equipment according to an embodiment;

FIG. 5 is a fourth schematic diagram of the RF circuit of the client premises equipment according to an embodiment;

FIG. 6 is a fifth exemplary RF circuit diagram of a client premises equipment;

FIG. 7 is a sixth schematic diagram of the RF circuit of the client premises equipment according to an embodiment;

FIG. 8 is a seventh schematic diagram of the RF circuit of the client premises equipment according to an embodiment;

FIG. 9 is an eighth schematic RF circuit diagram of a client premises equipment according to an embodiment;

FIG. 10 is a ninth schematic diagram illustrating the RF circuitry of a client premises equipment, in accordance with an embodiment;

FIG. 11 is a tenth schematic diagram of the RF circuitry of the client premises equipment of one embodiment;

FIG. 12 is an eleventh schematic diagram illustrating the RF circuitry of the client premises equipment, in accordance with an embodiment;

FIG. 13 is a twelfth embodiment of a RF circuit schematic of a client premises equipment;

fig. 14 is a schematic internal structure diagram of a client front-end device according to an embodiment.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that the terms "first," "second," and the like as used herein may be used herein to describe various features, but these elements are not limited by these terms. These terms are only used to distinguish one feature from another. For example, a first antenna may be referred to as a second antenna, and similarly, a second antenna may be referred to as a first antenna, without departing from the scope of the present application. The first antenna and the second antenna are both antennas, which are different antennas.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. In the description of the present application, the meaning of "above" includes the present number, e.g., two or more includes two, unless specifically limited otherwise.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements. Further, "connection" in the following embodiments is understood to mean "electrical connection", "communication connection", or the like, if there is a transfer of electrical signals or data between the connected objects.

Referring to fig. 1, a schematic diagram of a network system architecture according to an embodiment of the present application is shown. In the system architecture shown in fig. 1, the client premise equipment 10 may be connected to a first base station 20 in a first network system and access a core (core) network through the first base station 20. The customer premises equipment 10 is used for realizing a network access function, converting a provider public network WAN into a user home local area network LAN, and supporting a plurality of mobile terminals to access the network simultaneously. In addition, the vicinity of the customer premises equipment 10 may be also deployed with the cell and the second base station of the second network system, or may not be deployed with the cell and the second base station of the second communication system. The first network system is different from the second network system, for example, the first network system may be a 4G system, and the second network system may be a 5G system; alternatively, the first network system may be a 5G system and the second network system may be a future PLMN system evolved after 5G; the embodiment of the present application does not specifically limit what kind of communication system the first network system and the second network system specifically belong to.

When the customer premises equipment 10 is connected to the 5G communication system, the customer premises equipment 10 may transmit and receive data with a corresponding base station through a beam formed by the first antenna, and the beam needs to be aligned with an antenna beam of the base station, so as to facilitate the customer premises equipment 10 to transmit uplink data to the base station or receive downlink data transmitted by the base station.

The customer premises equipment is used for realizing a network access function and converting an operator public network WAN into a user home local area network LAN. According to the current internet broadband access mode, the access modes can be classified into FTTH (fiber to the home), DSL (digital telephone line access), Cable (Cable television line access), and Mobile (Mobile access, i.e. wireless CPE). The client front-end device is a mobile signal access device which receives mobile signals and forwards the mobile signals through wireless WIFI signals, and is also a device which converts high-speed 4G or 5G signals into WiFi signals, and can support a plurality of mobile terminals 30 to access a network simultaneously.

Referring to fig. 2, an embodiment of the present application provides a client front-end device 10. The client front-end device 10 includes an antenna group, a receiving circuit 110, a radio frequency processing circuit 120, and an amplifying circuit 130. The antenna group includes a first antenna ANT1 and a second antenna ANT2, the receiving circuit 110 is connected to the first antenna ANT1, the radio frequency processing circuit 120, and the amplifying circuit 130, respectively, and the amplifying circuit 130 is further connected to the second antenna ANT 2. The first antenna ANT1 is used for receiving a radio frequency signal and transmitting the received radio frequency signal to the receiving circuit 110; the receiving circuit 110 is configured to receive and process the radio frequency signal, separate the radio frequency signal into a first radio frequency signal and a second radio frequency signal in a 5G frequency band, output the first radio frequency signal to the radio frequency processing circuit 120, and output the second radio frequency signal to the amplifying circuit 130; the rf processing circuit 120 is configured to process the first rf signal, specifically, demodulate the first rf signal into a baseband signal, and implement antenna control according to the baseband signal, for example, when the first antenna ANT1 includes multiple antennas, a suitable antenna may be selected to establish a connection with a base station; when the second antenna ANT2 includes a plurality of antennas, the radiation direction can be changed by switching the antennas; in some embodiments, the rf processing circuit 120 may further modulate the baseband signal for radiation via an antenna. The amplifying circuit 130 is configured to amplify the second radio frequency signal and output the amplified second radio frequency signal to the second antenna ANT2 for radiation, so as to implement coverage enhancement on the 5G signal.

In some embodiments, the first radio frequency signal further includes a radio frequency signal in a 4G frequency band and/or a radio frequency signal in a WiFi frequency band.

Compared with the prior signal amplification device which does not have the identification capability on signal amplification and has no selective effect on frequency, the amplified signals can include multiple frequency bands and even generate mutual interference, and the deployment of 5G signals is not facilitated, in the application, the radio frequency signals are received through the receiving link of the customer premises equipment 10, the second radio frequency signals in the 5G frequency bands are separated and amplified, the 5G signals are independently radiated through the second antenna ANT2 to realize coverage enhancement, the amplification of the 5G signals can be selectively realized, a special receiving link is not required to be arranged to receive and process the radio frequency signals, the receiving link of the customer premises equipment 10 is directly multiplexed, and the coverage enhancement of the indoor 5G signals is realized at low cost.

As shown in fig. 3, in one embodiment, the receiving circuit 110 includes a low noise amplifying unit LNA and a power divider 111, where the power divider 111 includes a common terminal, a first branch terminal and a second branch terminal, the common terminal of the power divider 111 is connected to a first antenna ANT1, the first branch terminal is connected to the amplifying circuit 130, the second branch terminal is connected to an input terminal of the low noise amplifying unit LNA, and an output terminal of the low noise amplifying unit LNA is connected to the rf processing circuit 120. The power divider 111 is configured to perform power distribution on the radio frequency signal, and divide the radio frequency signal into a first radio frequency signal and a second radio frequency signal, so as to output the first radio frequency signal to the low noise amplification unit LNA and output the second radio frequency signal to the amplification circuit 130, where the low noise amplification unit LNA is configured to amplify the first radio frequency signal and output the amplified first radio frequency signal to the radio frequency processing circuit 120, and the amplification circuit 130 amplifies the second radio frequency signal and then radiates the amplified second radio frequency signal by using the second antenna ANT 2. First, the radio frequency signal is separated, and then the separated first radio frequency signal and the separated second radio frequency signal are amplified by the low noise amplification unit LNA and the amplification circuit 130, respectively.

As shown in fig. 4, in one embodiment, the receiving circuit 110 includes a low noise amplifying unit LNA and a power divider 111, wherein an input terminal of the low noise amplifying unit LNA is connected to the first antenna ANT1, the power divider 111 includes a common terminal, a first branch terminal and a second branch terminal, the common terminal of the power divider 111 is connected to an output terminal of the low noise amplifying unit LNA, the first branch terminal of the power divider 111 is connected to the amplifying circuit 130, and the second branch terminal of the power divider 111 is connected to the rf processing circuit 120. The low noise amplifier unit LNA is configured to amplify the radio frequency signal received by the first antenna ANT1, and then perform power distribution through the power divider 111, so as to separate the radio frequency signal into a first radio frequency signal and a second radio frequency signal, output the first radio frequency signal to the radio frequency processing circuit 120, and output the second radio frequency signal to the amplifier circuit 130. That is, after the radio frequency signal is amplified by the low noise amplification unit LNA, power distribution is performed by the power divider 111, and then the second radio frequency signal is amplified by the amplifying circuit 130, so that the cascade noise coefficient of the receiving link can be reduced, and the receiving performance of the client front-end device 10 on the communication signal of the client front-end device is not affected.

As shown in fig. 5, in one embodiment, the client front-end device 10 further includes a filter circuit 140, and the filter circuit 140 is disposed between the receiving circuit 110 and the first antenna ANT1 for performing a filtering process on the radio frequency signal. As shown in fig. 6, in one embodiment, the filter circuit 140 is disposed between the low noise amplifier unit LNA and the first antenna ANT1, and is configured to output the radio frequency signal after filtering to the low noise amplifier unit LNA for processing, and then output the radio frequency signal to the power divider 111 for power distribution. As shown in fig. 7, in one embodiment, the filtering circuit 140 is disposed between the power divider 111 and the first antenna ANT1, and is configured to output the rf signal after filtering to the power divider 111 for power distribution, and output the separated first rf signal and second rf signal to the low noise amplifier LNA and the amplifying circuit 130 for amplification respectively.

Referring to fig. 8 and 9, in one embodiment, the filter circuit 140 includes a plurality of filters 142 and a first switch 141. The first switch 141 includes a first end and a plurality of second ends, the first end of the first switch 141 is connected to the first antenna ANT1, and the plurality of second ends of the first switch 141 are respectively connected to the plurality of filters 142 in a one-to-one correspondence manner. Each filter 142 allows only radio frequency signals of a predetermined frequency band to pass therethrough. For example, if the frequency bands of the rf signals include two 4G bands B34 and B39 and three 5G bands N41, N78 and N79, the first switch 141 may select five received rf signals to turn on a path between any one of the filters 142 and the receiving circuit 110.

In one embodiment, the receiving circuit may divide the radio frequency signal by setting a frequency divider to separate the first radio frequency signal and the second radio frequency signal.

In one embodiment, the client front-end device 10 further includes a control circuit 22, and the control circuit 22 is connected to the amplifying circuit 130 and is configured to adjust a gain factor of the amplifying circuit 130 to change the intensity of the 5G signal radiated by the second antenna ANT 2. When a certain mobile terminal in an indoor area is not connected to the client front-end device 10, but is connected to a base station or other network access device that transmits radio frequency signals in other 5G frequency bands, if the strength of the 5G signal radiated by the client front-end device 10 is too high, interference may be generated on the radio frequency signal received and transmitted by the mobile terminal, and at this time, the gain factor of the amplifying circuit 130 may be adjusted to appropriately reduce the strength of the 5G signal radiated by the second antenna ANT2, so as to ensure normal communication of each indoor mobile terminal.

The Control circuit 22 may be a Mobile Industry Processor Interface (MIPI) -radio frequency Front End Control Interface (RF Front End Control Interface, RFFE) Control circuit 22 or a radio frequency Front End Control Interface (RF Front End Control Interface, RFFE) Control circuit 22, which conforms to a Control protocol of an RFFE bus. In one embodiment, the control circuit 22 is further configured to control the first switch 141 to selectively turn on a path between any one of the filters 142 and the receiving circuit 110.

In one embodiment, the control circuit 22 is further configured to control the 5G enhancement path in which the amplifying circuit 130 is located to switch between an operating state and a non-operating state. Specifically, the client front-end device 10 may set a switch for turning on the 5G enhanced coverage, or may send an instruction for turning on or off the 5G enhanced coverage function through the mobile terminal, and when the 5G enhanced coverage function needs to be turned on, the control circuit 22 controls the 5G enhanced channel where the amplifying circuit 130 is located to be switched to the working state; when the 5G enhanced coverage function needs to be turned off, the control circuit 22 controls the 5G enhanced channel where the amplifying circuit 130 is located to be switched to the non-operating state.

As shown in fig. 10, in one embodiment, the amplifying circuit 130 includes an amplifier PA and a second switch 131. The second switch 131 is connected to the output terminal of the receiving circuit 110 and the input terminal of the amplifier PA, respectively, and a control terminal of the second switch 131 is connected to the control circuit 22, and is configured to be turned on according to an instruction of the control circuit 22 when the 5G enhanced coverage function needs to be turned on, so as to turn on a 5G enhanced path where the amplifier PA is located, and at this time, the second antenna ANT2 radiates a 5G enhanced signal; when the 5G enhanced coverage function needs to be turned off, the control circuit 22 turns off the 5G enhanced path where the amplifier PA is located, and the second antenna ANT2 does not radiate the 5G enhanced signal.

In one embodiment, the amplification circuit 130 includes an amplifier PA, and the control circuit 22 controls the amplifier PA to switch between an operating state and a non-operating state by adjusting a voltage applied to the amplifier PA.

In one embodiment, the control circuit 22 is further configured to adjust a gain factor of the low noise amplifier LNA in the receiving circuit 110 to adjust an insertion loss of the receiving link in the client front-end device 10, so as to improve the sensitivity thereof.

As shown in fig. 11, in one embodiment, the customer premises equipment 10 further includes a WiFi module and a third antenna ANT3, and the WiFi module is connected to the rf processing circuit 120 and the third antenna ANT3, respectively. The rf processing circuit 120 is further configured to process the first rf signal to output a WiFi digital signal to the WiFi module, where the WiFi module converts the WiFi digital signal into a WiFi rf signal after performing modulation and other processes on the WiFi digital signal, and radiates the WiFi rf signal through the third antenna ANT3, so that the customer premises equipment 10 converts the rf signal received by the first antenna ANT1 into a WiFi signal, and supports the mobile terminal to access the network.

As shown in fig. 12, in one embodiment, the customer premises equipment 10 further includes a third switch 150, and includes a plurality of second antennas ANT2, the plurality of second antennas ANT2 are spaced along a circumferential direction of the customer premises equipment 10, the third switch 150 includes a first end and a plurality of second ends, the first end of the third switch 150 is connected to the amplifying circuit 130, the plurality of second ends of the third switch 150 are respectively connected to the plurality of second antennas ANT2 in a one-to-one correspondence manner, each of the second antennas ANT2 points in different directions, so that the radiation surface of each of the second antennas ANT2 can cover different areas, and the customer premises equipment 10 can selectively switch different second antennas ANT2 to radiate 5G signals through the third switch 150, so as to change the radiation direction of the 5G signal enhanced coverage.

In one embodiment, the first ends of the third switches 150, that is, the third switch 150 is a multi-selection multi-switch, which can simultaneously open the paths between the plurality of amplifying circuits 130 and the plurality of second antennas ANT2, thereby achieving a larger area of coverage enhancement of the 5G signal.

As shown in fig. 13, in one embodiment, the number of the first antennas ANT1 is multiple, the multiple first antennas ANT1 are arranged at intervals along the circumferential direction of the customer premises equipment 10, the customer premises equipment 10 further includes a fourth switch 160, the fourth switch 160 includes multiple first terminals and at least one second terminal, the multiple first terminals of the fourth switch 160 are respectively connected to the multiple first antennas ANT1 in a one-to-one correspondence, the second terminal of the fourth switch 160 is connected to the filter circuit 140, and the fourth switch 160 is configured to selectively turn on paths between different first antennas ANT1 and the filter circuit 140 so as to switch different first antennas ANT1 to receive the radio frequency signal. Specifically, the fourth switch 160 is controlled by the control circuit 22 to be switched on, and the control circuit 22 may select the first antenna ANT1 pointing to the base station cell to be connected to establish a connection with the base station cell according to the relative position of each first antenna ANT1 and the base station cell, so as to ensure the communication quality. In one embodiment, the control circuit 22 may further perform selection according to the strength of the radio frequency signal received by each first antenna ANT1, and select the first antenna ANT1 with the best radio frequency signal strength to perform reception of the radio frequency signal, so as to ensure communication quality.

The client front-end device 10 in the embodiment of the present application includes a memory 21 (which optionally includes one or more computer-readable storage media), a control circuit 22, a peripheral interface 23, a Radio Frequency (RF) system 24, an input/output (I/O) subsystem 25, and an external port 26. These components optionally communicate via one or more communication buses or signal lines. Those skilled in the art will appreciate that the client front-end device 10 shown in FIG. 2 does not constitute a limitation of the client front-end device 10 and may include more or fewer components than shown, or some components may be combined, or a different arrangement of components. The various components shown in fig. 2 are implemented in hardware, software, or a combination of both hardware and software, including one or more signal processing and/or application specific integrated circuits.

The memory 21 optionally includes high-speed random access memory, and also optionally includes non-volatile memory, such as one or more magnetic disk storage devices, flash memory devices, or other non-volatile solid-state memory devices. Illustratively, the software components stored in memory 21 include an operating system 211, a communications module (or set of instructions) 212, a Global Positioning System (GPS) module (or set of instructions) 213, and the like.

The control circuit 22 is configured with a processor and other control circuits 22, such as the control circuit 22 in the radio frequency circuit 24, may be used to control the operation of the customer premises equipment 10. The processor may be based on one or more microprocessors, microcontrollers, digital signal processors, baseband processors, power management units, audio codec chips, application specific integrated circuits, and the like.

The processor may be configured to implement a control algorithm that controls the use of the antenna in the customer premises equipment 10. For example, the processor may be configured to control the first switch 141 to switch different filter 142 paths to enable selection of a frequency band of the radio frequency signal.

The I/O subsystem 25 couples input/output peripheral devices on the customer premises equipment 10, such as a keypad and other input control devices, to the peripheral device interface 27. The I/O subsystem 25 optionally includes a touch screen, buttons, levers, touch pads, keypads, keyboards, tone generators, accelerometers (motion sensors), ambient and other sensors, light emitting diodes and other status indicators, data ports, and the like. The user may control the operation of the client front-end device 10 by supplying commands through the I/O subsystem 25 and may receive status information and other outputs from the client front-end device 10 using the output resources of the I/O subsystem 25.

The external port 26 may be an ethernet card or a wireless network card, etc. for communicating with an external electronic device.

The radio frequency system 24 includes an uplink including an antenna and an uplink signal processing circuit, and a downlink including an antenna and a downlink signal processing circuit, and may specifically be a device (including the receiving circuit 110, the radio frequency processing circuit 120, the amplifying circuit 130, the filtering circuit 140, and the like) configured as in the foregoing embodiments. The antennas in the embodiments of the present application may be formed using any suitable type of antenna. For example, the antenna may include an antenna with a resonating element formed from the following antenna structure: at least one of an array antenna structure, a loop antenna structure, a patch antenna structure, a slot antenna structure, a helical antenna structure, a strip antenna, a monopole antenna, a dipole antenna, and the like. Different types of antennas may be used for different frequency bands and frequency band combinations. There may be a plurality of antennas in the customer premises equipment 10. For example, a millimeter wave antenna for transceiving a millimeter wave frequency band may be included, a 5G antenna for transceiving a sub-6GHz frequency band may be included, a plurality of 2G/3G/4G antennas for transceiving a 2G, 3G, 4G frequency band may be included, and the antennas may be directional antennas, non-directional antennas, fixed antennas, or rotatably adjustable antennas.

Illustratively, the millimeter wave antenna may include a millimeter wave antenna array (multiple radiating patches) and a radio frequency transceiver chip, where the millimeter wave antenna array implements receiving and transmitting of millimeter wave signals, and the millimeter wave radio frequency transceiver chip implements up-down frequency conversion processing of millimeter wave signals. Furthermore, the millimeter wave antenna array and the radio frequency transceiver chip can be arranged on the same PCB, so that insertion loss during millimeter wave signal transmission is reduced, and radio frequency index performance is improved.

The rf system 24 also includes a plurality of rf circuits 242 for processing rf signals of different frequency bands. Such as satellite positioning radio frequency circuitry for receiving satellite positioning signals at 1575MHz, WiFi and bluetooth transceiver radio frequency circuitry for handling the 2.4GHz and 5GHz bands of IEEE802.11 communications, cellular telephone transceiver radio frequency circuitry for handling wireless communications at cellular telephone bands such as 850MHz, 900MHz, 1800MHz, 1900MHz and 2100MHz bands, or other 5G millimeter wave, Sub-6G bands.

Illustratively, the rf circuit 242 may further include a baseband processor, an rf transceiver unit, and an rf front-end unit. The baseband processor may provide the network information to the processor. The network information may include raw and processed information associated with wireless performance metrics of the Received antenna signals, such as Received Power, transmitted Power, Reference Signal Received Power (RSRP), Reference Signal Received Quality (RSRQ), Received Signal Strength Indicator (RSSI), Signal to Noise Ratio (SNR), Rank of MIMO channel matrix (Rank), carrier to Interference plus Noise Ratio (RS-CINR), frame error rate, bit error rate, channel quality measurement based on signal quality data such as Ec/lo or c/No data, information on whether a response (reply) corresponding to a request from a mobile terminal is being received from a base station, information on whether a network access procedure is successful, and the like.

The processor may analyze the received antenna signal information and in response, the processor (or baseband processor, if desired) may issue control commands for controlling the radio frequency system 24. For example, the processor may issue a control command to control the first switch 141 to select to turn on the path between the different filter 142 and the first antenna ANT 1.

The radio frequency transceiver unit may include one or more radio frequency transceivers, such as transceivers, e.g., one or more transceivers shared between antennas, one transceiver per antenna, etc.). Illustratively, a transceiver may include a transmitter (such as transmitter TX) and a receiver (such as receiver RX), or may include only a receiver (e.g., receiver RX) or only a transmitter (e.g., transmitter TX). For example, the transceiver may be used to implement frequency conversion processing between the intermediate frequency signal and the baseband signal, or/and to implement frequency conversion processing between the intermediate frequency signal and the high frequency signal, and so on.

The baseband processor may receive digital data to be transmitted from the processor 22 and may also utilize the radio frequency transceiver unit to transmit corresponding antenna signals. The radio frequency front end unit may be coupled between the radio frequency transceiver unit and the antenna and may be for communicating radio frequency signals generated by the transmitter and to the antenna. The rf front-end unit may include an rf switch, impedance matching circuitry, a filter 142, and other circuitry for interfacing between the antenna and the rf transceiver unit.

The customer premises equipment 10 also includes a power supply to supply power to the various components. The power supply includes one or more batteries as described above. In one embodiment, the power source may be logically connected to the processor 22 through a power management system, such that the power management system performs functions of managing charging, discharging, and power consumption. The power supply may also include any component of one or more dc or ac power sources, recharging systems, power failure detection circuitry, power converters or inverters, power status indicators, and the like.

In the description herein, reference to the description of "one of the embodiments," "some embodiments," "specific" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic description of the above terminology may not necessarily refer to the same embodiment or example.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A client premises apparatus, comprising:

an antenna group comprising a first antenna and a second antenna;

a receiving circuit, connected to the first antenna, for supporting a receiving process of the radio frequency signal received by the first antenna, and separating the radio frequency signal into a first radio frequency signal and a second radio frequency signal; the second radio frequency signal is a 5G frequency band radio frequency signal;

and the amplifying circuit is respectively connected with the receiving circuit and the second antenna and is used for amplifying the second radio-frequency signal and outputting the amplified second radio-frequency signal to the second antenna for radiation.

2. The client premises apparatus of claim 1, wherein the receive circuit comprises:

the low-noise amplification unit is connected with the first antenna and is used for amplifying the radio-frequency signal;

the power divider comprises a common end, a first branch end and a second branch end, the common end of the power divider is connected with the low-noise amplification unit, the first branch end of the power divider is connected with the amplification circuit, the second branch end of the power divider is connected with the radio frequency processing circuit, and the power divider is used for performing power separation on the amplified radio frequency signal into a first radio frequency signal and a second radio frequency signal so as to output the first radio frequency signal to the radio frequency processing circuit and output the second radio frequency signal to the amplification circuit.

3. The client premises apparatus of claim 1, wherein the receive circuit comprises:

the power divider comprises a common end, a first branch end and a second branch end, the common end of the power divider is connected with the first antenna, the first branch end of the power divider is connected with the amplifying circuit, and the power divider is used for separating the radio-frequency signal into the first radio-frequency signal and the second radio-frequency signal so as to output the second radio-frequency signal to the amplifying circuit;

and the low-noise amplification unit is respectively connected with the second branch end of the power divider and the radio frequency processing circuit and is used for amplifying the first radio frequency signal output by the power divider.

4. The client premises apparatus of claim 2 or 3, further comprising:

and the filter circuit is arranged between the receiving circuit and the first antenna and is used for filtering the radio-frequency signal.

5. The customer premises apparatus of claim 4, wherein the filter circuit comprises:

a plurality of filters;

and the first switch comprises a first end and a plurality of second ends, the first end of the first switch is connected with the first antenna, and the plurality of second ends of the first switch are respectively connected with the plurality of filters in a one-to-one correspondence manner.

6. The customer premises apparatus of claim 1, further comprising:

and the control circuit is connected with the amplifying circuit and is used for adjusting the gain coefficient of the amplifying circuit.

7. The customer premises apparatus of claim 6, wherein the control circuit is further configured to control the 5G enhancement path in which the amplification circuit is located to switch between an active state and an inactive state.

8. The customer premises apparatus of claim 7, wherein the amplification circuit comprises:

the amplifier is used for amplifying the second radio frequency signal;

and the second switch is respectively connected with the receiving circuit, the amplifier and the control circuit and used for switching on or switching off the 5G enhanced channel where the amplifier is located according to the instruction of the control circuit.

9. The client premises apparatus of claim 6, wherein when the receiving circuit includes a low noise amplification unit, the control circuit is further coupled to the low noise amplification unit for adjusting a gain factor of the low noise amplification unit.

10. The customer premises apparatus of claim 1, wherein the radio frequency processing circuit is configured to process the first radio frequency signal to output a WiFi digital signal;

the client front-end device further comprises:

the WiFi module is connected with the radio frequency processing circuit and used for converting the WiFi digital signal into a WiFi radio frequency signal;

and the third antenna is connected with the WiFi module and used for transmitting the WiFi radio-frequency signal.

11. The customer premises apparatus of claim 1, wherein the number of said second antennas is multiple;

a plurality of second antennas are arranged at intervals along the peripheral direction of the customer premises equipment;

the client front-end device further comprises:

and the third switch comprises a first end and a plurality of second ends, the first end of the third switch is connected with the amplifying circuit, and the plurality of second ends of the third switch are respectively connected with the plurality of second antennas in a one-to-one correspondence manner and used for selectively switching different second antennas to transmit the amplified second radio-frequency signals.