Communication device, communication method, and communication apparatus

Abstract

The present application provides a communication device, a communication method, and a communication apparatus. The communication device comprises: a first chip, a second chip, and a third chip; the first chip is connected to the second chip, and the second chip is connected to the third chip; the first chip is used for sending to the second chip a first baseband signal occupying a first frequency band; the second chip is used for converting the first baseband signal into a first radio frequency signal, and sending the first radio frequency signal to the third chip, wherein the first radio frequency signal occupies a third frequency band; and the third chip is used for converting the first radio frequency signal into a third radio frequency signal, sending the third radio frequency signal to an antenna, and sending a second radio frequency signal to the second chip, wherein the third radio frequency signal occupies a fifth frequency band. In the present application, the communication device can implement flexible switching between different frequency bands.

Description

A communication device, communication method and communication apparatus

[0001] This application claims priority to Chinese Patent Application No. 202411644263.6, filed on November 15, 2024, with the invention entitled "A Communication Device, Communication Method and Communication Apparatus", the entire contents of which are incorporated herein by reference. Technical Field

[0002] This application relates to the field of communication technology, and more specifically, to a communication device, communication method, and communication apparatus. Background Technology

[0003] In millimeter-wave wireless fidelity (WiFi) systems, the received raw signals or data typically need to be processed to convert them into baseband signals suitable for transmission. These baseband signals are then converted into radio frequency (RF) signals for transmission to the antenna. For example, an RF chip can convert the baseband signal transmitted by the baseband chip into a millimeter-wave signal, which is then transmitted in the millimeter-wave band; or, an RF chip can convert the baseband signal transmitted by the baseband chip into a WiFi band signal, which is then transmitted in the WiFi band. That is, existing systems only support transmitting single-band RF signals (e.g., WiFi band or millimeter-wave band). Summary of the Invention

[0004] This application provides a communication device, a communication method, and a communication apparatus, enabling the communication device to flexibly switch between multiple frequency bands.

[0005] In a first aspect, a communication device is provided, comprising a first chip, a second chip, and a third chip, wherein the first chip and the second chip are connected, and the second chip and the third chip are connected; the first chip is configured to transmit a first baseband signal to the second chip, and / or to receive a second baseband signal from the second chip, wherein the first baseband signal occupies a first frequency band, and the second baseband signal occupies a second frequency band; the second chip is configured to convert the first baseband signal from the first chip into a first radio frequency signal and transmit the first radio frequency signal to the third chip, and / or to convert the second radio frequency signal from the third chip into a second baseband signal and transmit the second baseband signal to the first chip, wherein the first radio frequency signal occupies a third frequency band, and the second radio frequency signal occupies a fourth frequency band; the third chip is configured to convert the first radio frequency signal from the second chip into a third radio frequency signal and transmit the third radio frequency signal to an antenna, and / or to convert a fourth radio frequency signal from the antenna into a second radio frequency signal and transmit the second radio frequency signal to the second chip, wherein the third radio frequency signal occupies a fifth frequency band, and the fourth radio frequency signal occupies a sixth frequency band.

[0006] Based on the above scheme, the second chip converts the first baseband signal of the first frequency band into a first radio frequency signal of the third frequency band, and then sends the first radio frequency signal to the FEM; or the second chip sends the first radio frequency signal to the third chip, which converts the first radio frequency signal into a third radio frequency signal of the fifth frequency band and transmits it through the antenna. Furthermore, the third chip can also convert the fourth radio frequency signal of the sixth frequency band from the antenna into a second radio frequency signal of the fourth frequency band and send it to the second chip, which further converts the second radio frequency signal into a second baseband signal of the second frequency band; or the FEM sends electromagnetic wave signals from the antenna to the second chip, which converts the electromagnetic wave signals into a second baseband signal of the second frequency band. This allows the communication device to flexibly switch between different frequency bands, making it compatible with signals from multiple frequency bands. In addition, the third chip can be flexibly connected to the second chip in the form of a plug-in card. Therefore, when it is necessary to convert the first radio frequency signal of the third frequency band into a third radio frequency signal of the fifth frequency band, or to convert the fourth radio frequency signal of the sixth frequency band into a second radio frequency signal of the fourth frequency band, the third chip can be flexibly installed.

[0007] In conjunction with the first aspect, in some implementations of the first aspect, the center frequency of the first frequency band and the second frequency band is 0, the third frequency band and the fourth frequency band are WiFi frequency bands, and the fifth frequency band and the sixth frequency band are millimeter wave frequency bands.

[0008] Based on the above scheme, the second and third chips can be used to convert baseband signals to WiFi signals, WiFi signals to millimeter-wave signals, millimeter-wave signals to WiFi signals, and WiFi signals back to baseband signals.

[0009] In conjunction with the first aspect, in some implementations of the first aspect, the first chip includes a first interface and / or a second interface, the second chip includes a third interface and / or a fourth interface, and the connection between the first chip and the second chip includes: the first interface and the third interface being connected, and / or the second interface and the fourth interface being connected.

[0010] In conjunction with the first aspect, in some implementations of the first aspect, the communication device further includes a first switching device and / or a second switching device, the second chip further includes a fifth interface and / or a sixth interface, the third chip includes a seventh interface and / or an eighth interface, and the connection between the second chip and the third chip includes: the fifth interface being connected to a first end of the first switching device, and the seventh interface being connected to a second end of the first switching device; and / or the sixth interface being connected to a first end of the second switching device, and the eighth interface being connected to a second end of the second switching device.

[0011] In conjunction with the first aspect, in some implementations of the first aspect, the communication device further includes a front-end module (FEM) connected to a third terminal of the first switching device, and a fifth interface connected to a first terminal of the first switching device; and / or the FEM connected to a third terminal of the second switching device, and a sixth interface connected to a first terminal of the second switching device.

[0012] Based on the above scheme, the second chip is connected to the third chip or connected to the FEM by the first and / or second switching devices, so that the second chip can convert the first baseband signal into a first radio frequency signal and then transmit it through the FEM; or the second chip can convert the first baseband signal into a first radio frequency signal and then send it to the third chip, which converts it into a millimeter-wave radio frequency signal and transmits it. This allows the communication device to switch flexibly between different frequency bands.

[0013] In conjunction with the first aspect, in some implementations of the first aspect, the third chip further includes a first channel and a ninth interface, and / or a second channel and a tenth interface, wherein the first channel corresponds to the ninth interface and the second channel corresponds to the tenth interface; the first channel is used to convert the first radio frequency signal received through the seventh interface into the third radio frequency signal, and transmit the third radio frequency signal to the antenna through the ninth interface; and / or the second channel is used to convert the fourth radio frequency signal received through the tenth interface into the second radio frequency signal, and transmit the second radio frequency signal to the sixth interface through the eighth interface.

[0014] In conjunction with the first aspect, in some implementations of the first aspect, the third chip further includes a third channel and an eleventh interface. The third channel is used to calibrate the second radio frequency signal, or to calibrate the third radio frequency signal and send the calibrated second radio frequency signal to the second chip through the eleventh interface.

[0015] Based on the above scheme, the signal sent to the third chip can be calibrated through the third channel, which improves the signal quality.

[0016] In conjunction with the first aspect, in some implementations of the first aspect, the second chip further includes a first control module, which is used to receive a first control signal from the first chip and send a second control signal to the third chip based on the first control signal. The second control signal is used to adjust the power of the third radio frequency signal or the fourth radio frequency signal.

[0017] In conjunction with the first aspect, in some implementations of the first aspect, the second chip further includes a first control module, the first control module being configured to receive a third control signal from the first chip, the third control signal being configured to control the switching mode of the first switching device and / or the second switching device, the switching mode including a first mode and a second mode, the first mode being in which the first switching device connects the second chip and the FEM, and / or the first mode being in which the second switching device connects the second chip and the FEM, the second mode being in which the first switching device connects the second chip and the third chip, and / or the second mode being in which the second switching device connects the second chip and the third chip.

[0018] Based on the above scheme, the control module transmits control signals to control the switching mode of the switching device, so that the second chip can be connected to the FEM or the third chip, thereby making the frequency band of the communication device output signal more flexible.

[0019] In conjunction with the first aspect, in some implementations of the first aspect, the third chip further includes a synchronization module; the second chip is further configured to generate a clock signal and send the clock signal to the third chip; the synchronization module is configured to receive the clock signal and adjust the clock of the third radio frequency signal according to the clock signal.

[0020] Based on the above scheme, the clock of the radio frequency signal acquired by the third chip can be adjusted by the clock signal, so that the clock of the third radio frequency signal is synchronized with the baseband signal in the first chip and the radio frequency signal in the second chip.

[0021] In conjunction with the first aspect, in some implementations of the first aspect, the third chip further includes a power module; the power module is used to receive a power supply signal, which is used to supply power to the third chip.

[0022] Based on the above solution, the third chip can be powered by the power supply signal received by the power module, thereby increasing the working time of the third chip.

[0023] In a second aspect, a communication method is provided, which is applied to a communication device comprising: a first chip, a second chip, and a third chip, wherein the first chip and the second chip are connected, and the second chip and the third chip are connected, the method comprising: the first chip transmitting a first baseband signal to the second chip, and / or receiving a second baseband signal from the second chip, wherein the first baseband signal occupies a first frequency band, and the second baseband signal occupies a second frequency band; the second chip converting the first baseband signal from the first chip into a first radio frequency signal and transmitting the first radio frequency signal to the third chip; and / or converting the second radio frequency signal from the third chip into a second baseband signal and transmitting the second baseband signal to the first chip, wherein the first radio frequency signal occupies a third frequency band, and the second radio frequency signal occupies a fourth frequency band; the third chip converting the first radio frequency signal from the second chip into a third radio frequency signal and transmitting the third radio frequency signal to an antenna, and / or converting a fourth radio frequency signal from the antenna into a second radio frequency signal and transmitting the second radio frequency signal to the second chip, wherein the third radio frequency signal occupies a fifth frequency band, and the fourth radio frequency signal occupies a sixth frequency band.

[0024] In conjunction with the second aspect, in some implementations of the second aspect, the center frequency of the first frequency band and the second frequency band is 0, the third frequency band and the fourth frequency band are WiFi frequency bands, and the fifth frequency band and the sixth frequency band are millimeter wave frequency bands.

[0025] In conjunction with the second aspect, in some implementations of the second aspect, the first chip includes a first interface and / or a second interface, the second chip includes a third interface and / or a fourth interface, and the connection between the first chip and the second chip includes: the first interface and the third interface being connected, and / or the second interface and the fourth interface being connected.

[0026] In conjunction with the second aspect, in some implementations of the second aspect, the communication device further includes a first switching device and / or a second switching device, the second chip further includes a fifth interface and / or a sixth interface, and the third chip includes a seventh interface and / or an eighth interface. The connection between the second chip and the third chip includes: the fifth interface being connected to a first end of the first switching device, and the seventh interface being connected to a second end of the first switching device; and / or the sixth interface being connected to a first end of the second switching device, and the eighth interface being connected to a second end of the second switching device.

[0027] In conjunction with the second aspect, in some implementations of the second aspect, the communication device further includes a front-end module (FEM) connected to a third terminal of the first switching device, and a fifth interface connected to a first terminal of the first switching device; and / or the FEM connected to a third terminal of the second switching device, and a sixth interface connected to a first terminal of the second switching device.

[0028] In conjunction with the second aspect, in some implementations of the second aspect, the third chip further includes a first channel and a ninth interface, and / or a second channel and a tenth interface, wherein the first channel corresponds to the ninth interface and the second channel corresponds to the tenth interface; the third chip converts the first radio frequency signal from the second chip into a third radio frequency signal and transmits the third radio frequency signal to the antenna, including: the third chip converts the first radio frequency signal into the third radio frequency signal through the first channel and transmits the third radio frequency signal to the antenna through the ninth interface; and / or converts the fourth radio frequency signal from the antenna into the second radio frequency signal and transmits the second radio frequency signal to the second chip, including: the third chip receives the fourth radio frequency signal from the antenna through the tenth interface and converts the fourth radio frequency signal into the second radio frequency signal through the second channel; the third chip transmits the second radio frequency signal to the sixth interface through the eighth interface.

[0029] In conjunction with the second aspect, in some implementations of the second aspect, the third chip further includes a third channel and an eleventh interface; the method further includes: the third chip calibrating the second radio frequency signal through the third channel, or calibrating the third radio frequency signal, and sending the calibrated second radio frequency signal to the second chip through the eleventh interface.

[0030] In conjunction with the second aspect, in some implementations of the second aspect, the second chip further includes a first control module, and the method further includes: the second chip receiving a first control signal from the first chip through the first control module, and sending a second control signal to the third chip based on the first control signal, the second control signal being used to adjust the power of the third radio frequency signal or the fourth radio frequency signal.

[0031] In conjunction with the second aspect, in some implementations of the second aspect, the second chip further includes a first control module, and the method further includes: the second chip receiving a third control signal from the first chip through the first control module, the third control signal being used to control the switching mode of the first switching device and / or the second switching device, the switching mode including a first mode and a second mode, the first mode being that the first switching device connects the second chip and the FEM, and / or the first mode being that the second switching device connects the second chip and the FEM, the second mode being that the first switching device connects the second chip and the third chip, and / or the second mode being that the second switching device connects the second chip and the third chip.

[0032] In conjunction with the second aspect, in some implementations of the second aspect, the third chip further includes a synchronization module; the method further includes: the second chip generating a clock signal and sending the clock signal to the third chip; the third chip receiving the clock signal through the synchronization module and adjusting the clock of the third radio frequency signal according to the clock signal.

[0033] In conjunction with the second aspect, in some implementations of the second aspect, the third chip further includes a power supply module; the method further includes: the third chip receiving a power supply signal through the power supply module, the power supply signal being used to supply power to the third chip.

[0034] Thirdly, a communication apparatus is provided for performing the methods of the second aspect and any possible implementation thereof. Specifically, the apparatus may include units and / or modules for performing the methods of the second aspect and any possible implementation thereof, such as processing units and / or communication units.

[0035] Fourthly, a communication device is provided, the device comprising: at least one processor configured to cause the device to perform the methods described in the second aspect and any possible implementation thereof.

[0036] Optionally, the at least one processor is configured to execute computer programs or instructions to perform the methods described in the second aspect and any of its possible implementations.

[0037] Optionally, the device further includes a memory for storing the computer program or instructions.

[0038] Optionally, the at least one processor is coupled to a memory for storing the computer program or instructions. The memory may be located externally to the device.

[0039] Optionally, the device also includes a communication interface through which the processor reads instructions from memory. This can be understood as the communication interface being coupled to the processor and used to input computer programs or instructions to the processor, or to output information from the processor.

[0040] Unless otherwise specified, or if the transmission and acquisition / reception operations involved do not contradict their actual function or internal logic in the relevant description, they can be understood as output, input, or other operations, or as transmission and reception operations performed by radio frequency circuits and antennas. This application does not limit them in this regard.

[0041] Fifthly, a computer-readable storage medium is provided that stores a computer program (e.g., program code) or instructions that, when executed on a communication device, cause the communication device to perform the methods described in the second aspect and any possible implementation thereof.

[0042] In a sixth aspect, a computer program product containing instructions is provided, which, when run on a computer, causes the computer to perform the methods described in the second aspect and any possible implementation thereof.

[0043] In a seventh aspect, a communication system is provided, comprising a communication device provided in any of the implementations of the first aspect described above. Attached Figure Description

[0044] Figure 1 is a schematic diagram of a communication system provided in an embodiment of this application.

[0045] Figure 2 is a schematic diagram of a device for converting baseband signals into millimeter-wave signals according to an embodiment of this application.

[0046] Figure 3 is a schematic diagram of a communication device provided in an embodiment of this application.

[0047] Figure 4 is a schematic diagram of another communication device provided in an embodiment of this application.

[0048] Figure 5 is a schematic block diagram of a communication method provided in an embodiment of this application.

[0049] Figure 6 is a schematic block diagram of a communication device provided in an embodiment of this application.

[0050] Figure 7 is a schematic block diagram of a communication device provided in an embodiment of this application.

[0051] Figure 8 is a schematic block diagram of a chip system provided in an embodiment of this application. Detailed Implementation

[0052] The technical solutions in this application will now be described with reference to the accompanying drawings.

[0053] Before introducing the scheme of this application, the following points should be noted.

[0054] (1) In this application, the expression " / " is used to indicate that the objects before and after are in an "or" relationship; for example, A / B can mean: A or B. The expression "and / or" is used to indicate that the objects before and after are in a relationship of either "and" or "or"; for example, A and / or B can mean the following: A exists alone, B exists alone, A and B exist simultaneously, where A and B can be single or multiple. "At least one of the following" or similar expressions are used to indicate any combination of the listed items; for example, at least one of A, B and / or C can mean the following: A exists alone, B exists alone, C exists alone, A and B exist simultaneously, B and C exist simultaneously, A and C exist simultaneously, A, B and C exist simultaneously, where A, B, and C can be single or multiple.

[0055] (2) In this application, "send" and "receive" indicate the direction of signal transmission. For example, "send information to XX" can be understood as the destination of the information being XX, which may include direct transmission via the air interface or indirect transmission via the air interface by other units or modules. "Receive information from YY" can be understood as the source of the information being YY, which may include direct reception from YY via the air interface or indirect reception from YY via the air interface by other units or modules. "Send" can also be understood as the "output" of the chip interface, and "receive" can also be understood as the "input" of the chip interface. In other words, sending and receiving can occur between devices, such as between network devices and terminal devices, or within a device, such as between components, modules, chips, software modules, or hardware modules within the device via a bus, wiring, or interface.

[0056] (3) In the various embodiments of this application, unless otherwise specified or logically conflicting, the terms and / or descriptions of different embodiments are consistent and can be referenced by each other. The technical features of different embodiments can be combined to form new embodiments according to their inherent logical relationship.

[0057] (4) In this application, "first," "second," and "#1," "#2," and "#A" are merely for descriptive convenience and are used to distinguish objects, and are not intended to limit the scope of the embodiments of this application. They are not used to describe the order or sequence of features. It should be understood that such described objects can be interchanged where appropriate so as to describe solutions other than those in the embodiments of this application.

[0058] (5) In this application, the words “exemplary,” “for example,” etc., are used to indicate examples, illustrations, or descriptions. Any embodiment or design described as an “example” in this application should not be construed as being more preferred or advantageous than other embodiments or designs. Specifically, the use of the word “example” is intended to present the concept in a concrete manner. In the embodiments of this application, “of,” “corresponding, relevant,” and “corresponding” may sometimes be used interchangeably, and it should be noted that their intended meanings are consistent unless their distinction is emphasized.

[0059] The technical solutions provided in this application can be applied to various communication systems, such as: wireless local area network (WLAN) communication systems, 5th generation (5G) or new radio (NR) systems, long term evolution (LTE) systems, LTE frequency division duplex (FDD) systems, and LTE time division duplex (TDD) systems. The technical solutions provided in this application can also be applied to future communication systems, such as future mobile communication systems. The technical solutions provided in this application can also be applied to device-to-device (D2D) communication, vehicle-to-everything (V2X) communication, machine-to-machine (M2M) communication, machine-type communication (MTC), and Internet of Things (IoT) communication systems. The technical solutions provided in this application can also be applied to non-terrestrial network (NTN) systems such as inter-satellite communication and satellite communication.

[0060] As an example, a satellite communication system includes a satellite base station and terminal equipment. The satellite base station provides communication services to the terminal equipment. Satellite base stations can also communicate with each other. A satellite can act as a base station or as a terminal device. Here, "satellite" can refer to drones, hot air balloons, low-Earth orbit satellites, medium-Earth orbit satellites, high-Earth orbit satellites, etc. "Satellite" can also refer to non-terrestrial base stations or non-terrestrial equipment.

[0061] As an example, V2X communication can include: vehicle-to-vehicle (V2V) communication, vehicle-to-infrastructure (V2I) communication, vehicle-to-pedestrian (V2P) communication, and vehicle-to-network (V2N) communication.

[0062] In this application embodiment, a communication device in a communication system is used as an example for description. This communication device can receive signals in the millimeter-wave frequency band, and it can also receive WiFi signals in the traditional WiFi frequency band. Traditional WiFi frequency bands include 2.4GHz, 5GHz, and 6GHz. The communication device can be a terminal device or a network device. This application does not limit its scope.

[0063] In one implementation, the communication device is a terminal device. In this embodiment, the terminal device can be a device or module that accesses the aforementioned communication system and has corresponding communication functions. The terminal device can include various devices with wireless communication capabilities, which can be used to connect people, objects, machines, etc. The terminal device can be widely used in various scenarios, such as: cellular communication, D2D, V2X, peer-to-peer, M2M, MTC, IoT, virtual reality (VR), augmented reality (AR), industrial control, autonomous driving, telemedicine, smart grids, smart furniture, smart offices, smart wearables, smart transportation, smart cities, drones, robots, remote sensing, passive sensing, positioning, navigation and tracking, autonomous delivery, etc. The terminal device can be a terminal in any of the above scenarios, such as an MTC terminal, an IoT terminal, etc. Terminal equipment can be user equipment (UE), terminal, fixed equipment, mobile station equipment or mobile equipment, subscriber unit, handheld device, vehicle-mounted equipment, wearable device, cellular phone, smartphone, session initiation protocol (SIP) phone, wireless data card, personal digital assistant (PDA), computer, tablet computer, laptop computer, wireless modem, handset, laptop computer, computer with wireless transceiver capability, smart book, vehicle, satellite, global positioning system (GPS) device, target tracking device, aircraft (e.g., drone, helicopter, multiple helicopters, four helicopters, or airplanes), ship, remote control device, smart home device, industrial equipment, transportation vehicle with wireless communication capability, communication module, or roadside unit with terminal function, all conforming to the 3rd generation partnership project (3GPP) standard. The device may be a wireless communication unit (RSU), or a device built into the aforementioned device (e.g., a communication module, modem, or chip in the aforementioned device), or other processing devices connected to the wireless modem.

[0064] It should be understood that in certain scenarios, a UE can also be used as a base station. For example, a UE can act as a scheduling entity, providing sidelink signaling between UEs in scenarios such as V2X, D2D, or end-to-end.

[0065] In this embodiment, the device for implementing the functions of a terminal device, i.e., the terminal device, can be the terminal device itself, or it can be any device capable of supporting the terminal device in implementing the functions, such as a chip system, chip, circuit, or communication module (i.e., a communication module that performs communication functions). This device can be installed in the terminal device. In this embodiment, the chip system can be composed of chips, or it can include chips and other discrete devices. Furthermore, the device can also be configured with program instructions for performing corresponding communication functions.

[0066] In one implementation, the communication device is a network device. In this embodiment, the network device can be a device or module with corresponding communication functions. The network device can be used to communicate with the terminal device; it can also be called an access network device or a wireless access network device, such as a base station. In this embodiment, the network device can refer to a radio access network (RAN) node (or device) that connects the terminal device to the wireless network. A base station can broadly encompass, or be replaced by, various names including: NodeB, evolved NodeB (eNB), next-generation NodeB (gNB), relay station, access point, transmitting and receiving point (TRP), access node in a WiFi system, transmitter, master station, auxiliary station, motor slide retainer (MSR) node, home base station, network controller, access node, wireless node, access point (AP), transmission node, transceiver node, baseband unit (BBU), remote radio unit (RRU), active antenna unit (AAU), remote radio head (RRH), central unit (CU), distributed unit (DU), positioning node, etc. A base station can be a macro base station, micro base station, relay node, donor node, or a combination thereof. A base station can also refer to a communication module, modem, or chip installed within the aforementioned equipment or apparatus. Base stations can also be mobile switching centers, devices that perform base station functions in D2D, V2X, and M2M communications, network-side devices in future networks, and devices that perform base station functions in future communication systems. Base stations can support networks using the same or different access technologies. The embodiments of this application do not limit the specific technologies or device forms used in the network equipment.

[0067] Base stations can be fixed or mobile. For example, a helicopter or drone can be configured to act as a mobile base station, and one or more cells can move depending on the location of the mobile base station. In other examples, a helicopter or drone can be configured as a device to communicate with another base station.

[0068] In some deployments, the network devices mentioned in the embodiments of this application may be devices including CU, or DU, or devices including CU and DU, or devices with control plane CU nodes (central unit-control plane (CU-CP)) and user plane CU nodes (central unit-user plane (CU-UP)) and DU nodes.

[0069] In some deployments, multiple RAN nodes collaborate to assist terminal devices in achieving wireless access, with different RAN nodes each implementing some of the base station's functions. For example, RAN nodes can be CUs, DUs, CU-CPs, CU-UPs, or radio units (RUs). CUs and DUs can be configured separately or included in the same network element, such as a BBU. RUs can be included in radio equipment or radio units, such as RRUs, AAUs, or RRHs.

[0070] In different systems, CU (or CU-CP and CU-UP), DU, or RU may have different names, but those skilled in the art will understand their meaning. For example, a radio access network can also be an open radio access network (O-RAN) architecture. In an O-RAN system, CU can also be called an open CU (open CU, O-CU), DU can also be called an open DU (open DU, O-DU), CU-CP can also be called an open CU-CP (O-CU-CP), CU-UP can also be called an open CU-UP (O-CU-UP), and RU can also be called an open RU (open RU, O-RU). Any of the units among CU (or CU-CP, CU-UP), DU, and RU in this application can be implemented through software modules, hardware modules, or a combination of software modules and hardware modules.

[0071] In this embodiment, the device for implementing the functions of a network device can be a network device itself, or a device capable of supporting the network device in implementing those functions, such as a chip system, chip, circuit, or communication module (i.e., a communication module that performs communication functions). This device can be installed within the network device. In this embodiment, the chip system can be composed of chips, or it can include chips and other discrete devices. Furthermore, the device can be configured with program instructions for performing corresponding communication functions. This embodiment only uses a network device as an example to illustrate the device for implementing the functions of a network device, and does not limit the solution of this embodiment.

[0072] Network devices and terminal devices can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; they can also be deployed on water; and they can also be deployed in the air on airplanes, balloons, and satellites. This application does not limit the scenario in which the network devices and terminal devices are located.

[0073] The communication system applicable to the embodiments of this application is briefly described below with reference to Figure 1.

[0074] Figure 1 is a schematic diagram of a communication system 100 provided in an embodiment of this application. As shown in Figure 1, the communication system includes a network device 110 and a terminal device 120. The network device 110 and the terminal device 120 are connected to realize communication. The network device 110 can send signals or information to the terminal device 120, and can also receive signals or information from the terminal device 120.

[0075] When network devices and terminal devices communicate, the network device can manage one or more cells, and a cell can include at least one terminal device. A cell can be understood as an area within the wireless signal coverage range of the network device.

[0076] Figure 1 is just a schematic diagram. The wireless communication system may also include other devices, such as core network devices, wireless relay devices and / or wireless backhaul devices, which are not shown in Figure 1.

[0077] The network devices or terminal devices in Figure 1 may include a baseband system-on-chip (SOC) and a millimeter-wave radio frequency integrated circuit (RFIC). The baseband SOC converts the original signal or data into a baseband signal, and the RFIC converts the baseband signal into a radio frequency signal, which is then transmitted through an antenna.

[0078] It should be noted that the technical solutions of this application embodiment can also be applied to WLAN, wherein the user station (STA) in WLAN can be referred to as a system, user unit, access terminal, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent, user equipment, or UE. The STA can be a cellular phone, cordless phone, session initiation protocol (SIP) phone, wireless local loop (WLL) station, personal digital assistant (PDA), handheld device with wireless LAN (e.g., WiFi) communication function, wearable device, computing device, or other processing device connected to a wireless modem.

[0079] Figure 2 is a schematic diagram of a device 200 for converting baseband signals into millimeter-wave signals according to an embodiment of this application. As shown in Figure 2, the device 200 includes a baseband SOC 210, a matching circuit 220, a millimeter-wave RFIC 230, and two front-end modules (FEMs) (e.g., FEM 240 and FEM 250).

[0080] The baseband SOC 210 generates a baseband signal and sends it to the matching circuit 220. The baseband signal generated by the baseband SOC 210 conforms to the WiFi standard, for example, baseband signals in the 2.4GHz or 5GHz bands. The baseband SOC 210 includes a transmission (Tx) data channel #1, a reception (Rx) data channel #1, and a feedback (Fb) data channel #1. The Tx data channel #1 sends the baseband signal to the matching circuit via the TRx analog IQ differential interface; the Rx data channel #1 receives the baseband signal transmitted via the TRx analog IQ differential interface; and the Fb data channel #1 calibrates the baseband signal received via the Fb analog IQ differential interface to ensure signal quality.

[0081] Matching circuit 220 is used to adjust the voltage and / or current of the baseband signal transmitted by baseband SOC 210, or to adjust the voltage and / or current of the baseband signal transmitted by millimeter-wave RFIC 230, so that the signal can be transmitted between baseband SOC 210 and millimeter-wave RFIC 230.

[0082] The millimeter-wave RFIC 230 is used to convert received baseband signals into radio frequency signals occupying the millimeter-wave frequency band. Specifically, it converts the frequency band of the received baseband signal into the millimeter-wave frequency band. The millimeter-wave RFIC 230 includes a Tx data channel #2, an Rx data channel #2, and an Fb data channel #2. The Tx data channel #2 is used to send the radio frequency signal to the antenna; the Rx data channel #2 is used to receive the radio frequency signal from the antenna; and the Fb data channel #2 is used to calibrate the received radio frequency signal to ensure signal quality. The Tx data channel #2 is connected to the antenna via an FEM 240; the Rx data channel #2 is connected to the antenna via an FEM 250. It can be understood that the Tx data channel #2, Rx data channel #2, and Fb data channel #2 in the millimeter-wave RFIC 230 perform analog signal processing, while the Tx data channel #1, Rx data channel #1, and Fb data channel #1 in the baseband SOC 210 perform digital signal processing.

[0083] The millimeter-wave RFIC 230 also includes a signal processing unit for processing control signals to make corresponding responses. The control signals are generated by the baseband SOC 210 and sent to the millimeter-wave RFIC 230 via the signal transmission interface and matching circuit 220.

[0084] The aforementioned baseband SOC 210 is also used to generate clock and power signals. The clock signal is used to synchronize the clocks between the baseband SOC 210 and the millimeter-wave RFIC, ensuring clock synchronization between them. The power signal is used to supply power to other modules within the baseband SOC 210.

[0085] The scheme in Figure 2 can convert the baseband signal frequency band to the millimeter-wave frequency band. However, the addition of matching circuitry increases the system's cost, area, and power consumption during this conversion. The baseband SOC in this scheme uses an in-phase (I) and quadrature (Q) two-way interface, also known as IQ two-way interface. Since IQ two-way interface is prone to amplitude and phase imbalances, and the correction algorithm is complex and ineffective, the millimeter-wave system's performance becomes unstable, resulting in a decrease in signal-to-noise ratio (SNR). Furthermore, in the conversion process, because the baseband signal sampling conforms to the WiFi standard frame structure, the output signal is a millimeter-wave frequency band signal, unable to acquire WiFi frequency band signals and thus unable to flexibly switch between multiple frequency bands.

[0086] In view of this, this application provides a communication device, which includes a first chip, a second chip and a third chip. The second chip converts the baseband signal from the first chip into a radio frequency signal in the WiFi band, and the third chip converts the WiFi radio frequency signal into a millimeter wave signal, thereby enabling the communication device to flexibly switch between different frequency bands.

[0087] The following describes in detail a communication device provided in an embodiment of this application with reference to Figures 3 and 4.

[0088] Figure 3 is a schematic diagram of a communication device 300 provided in an embodiment of this application. The communication device 300 can receive signals in the millimeter-wave band and can also receive signals in the WiFi band; and / or the communication device 300 can transmit signals in the millimeter-wave band and can also transmit signals in the WiFi band. For example, the frequency range occupied by the millimeter-wave band signal can be 26.5GHz-300GHz, and the frequency range occupied by the WiFi band signal can be 2.4GHz, 5GHz, or 6GHz, etc.

[0089] The communication device 300 includes a first chip 310, a second chip 320, and a third chip 330, wherein the first chip 310 and the second chip 320 are connected, and the second chip 320 and the third chip 330 are connected.

[0090] The first chip 310 is used to send a first baseband signal to the second chip 320 and / or to receive a second baseband signal from the second chip 320. The first baseband signal occupies a first frequency band, and the second baseband signal occupies a second frequency band.

[0091] Optionally, the first chip 310 includes a first interface and / or a second interface, and the second chip 320 includes a third interface and / or a fourth interface. The connection between the first chip 310 and the second chip 320 includes: the first interface and the third interface being connected, and / or the second interface and the fourth interface being connected.

[0092] For example, the first chip 310 is also referred to as a baseband SOC 310. The first chip 310 can generate a first baseband signal and send it to the second chip 320. Specifically, the first chip 310 can send the first baseband signal to the second chip 320 through a first interface, and correspondingly, the second chip 320 can receive the first baseband signal from the first chip 310 through a third interface.

[0093] For example, the second chip 320, also known as a sub-7G radio frequency chip, is capable of generating a second baseband signal and sending it to the first chip 310 via a fourth interface. Specifically, the second chip 320 sends the second baseband signal to the first chip 310 through the fourth interface. Correspondingly, the first chip 310 receives the second baseband signal from the second chip 310 through a second interface.

[0094] In one implementation, the first chip 310 generates a first baseband signal and sends it to the second chip 320. Simultaneously, the second chip 320 generates a second baseband signal and sends it to the first chip 310 via a fourth interface.

[0095] For example, the first and third interfaces are Tx analog IQ differential interfaces. After the first chip 310 generates a first baseband signal, it sends the first baseband signal to the second chip 320 through the first interface. The second chip 320 receives the first baseband signal through the third interface.

[0096] For example, the second and fourth interfaces are Rx analog IQ differential interfaces. After the second chip 320 generates the second baseband signal, it sends the second baseband signal to the first chip 310 through the fourth interface. The first chip 310 receives the second baseband signal through the second interface.

[0097] It should be noted that the center frequency of the first frequency band occupied by the first baseband signal and the second frequency band occupied by the second baseband signal is 0. For example, the frequency range occupied by the first frequency band is near zero, and the frequency range occupied by the second frequency band is also near zero. That is, the frequency of the first or second baseband signal is low frequency.

[0098] It should also be noted that the first interface and the second interface can be combined into one interface. For example, the first interface and the second interface can be combined into a TRx analog IQ differential interface.

[0099] The second chip 320 is used to convert the first baseband signal from the first chip into a first radio frequency signal and send the first radio frequency signal to the third chip, and / or to convert the second radio frequency signal from the third chip into a second baseband signal and send the second baseband signal to the first chip. The first radio frequency signal occupies a third frequency band, and the second radio frequency signal occupies a fourth frequency band.

[0100] For example, if the third and fourth frequency bands are WiFi bands, then the first and second radio frequency signals can be WiFi signals, and the WiFi band can be a sub-7GHz WiFi band, such as 2.4GHz, 5GHz, or 6GHz. Alternatively, the first and second radio frequency signals can also be Bluetooth signals, in which case the third and fourth frequency bands are 2.4GHz. Or, the first and second radio frequency signals can be LTE signals, in which case the third and fourth frequency bands include low-frequency bands (such as 700MHz, 800MHz, etc.), mid-frequency bands (such as 1.8GHz, 2.1GHz, etc.), and high-frequency bands (such as 2.6GHz, 3.5GHz, etc.).

[0101] Optionally, the communication device 300 further includes a first switching device and / or a second switching device, the second chip further includes a fifth interface and / or a sixth interface, and the third chip includes a seventh interface and / or an eighth interface; the connection between the second chip and the third chip includes: the fifth interface being connected to a first end of the first switching device, and the seventh interface being connected to a second end of the first switching device; and / or the sixth interface being connected to a first end of the second switching device, and the eighth interface being connected to a second end of the second switching device.

[0102] In one implementation, the fifth interface on the second chip 320 is connected to the first terminal of the first switching device, and the second terminal of the first switching device is connected to the seventh interface on the third chip 330, thus connecting the second chip 320 and the third chip 330 (as shown by the solid line in Figure 3). The first switching device can control the connection between the second chip 320 and the third chip 330. At this time, the second chip 320 sends a WiFi frequency band radio frequency signal to the third chip 330, i.e., the aforementioned first radio frequency signal.

[0103] In one implementation, the sixth interface on the second chip 320 is connected to the first terminal of the second switching device, and the second terminal of the second switching device is connected to the eighth interface on the third chip 330 (as shown by the dotted line in Figure 3). The second switching device can control the connection between the second chip 320 and the third chip 330. At this time, the third chip 330 will send a radio frequency signal in the WiFi band to the second chip 320, namely the aforementioned second radio frequency signal.

[0104] For example, the fifth interface is a Tx analog IQ differential interface. After the second chip 320 converts the first baseband signal into a first radio frequency signal, and the first switching device connects the second chip 320 and the third chip 330, the first radio frequency signal is sent to the third chip 330 through the fifth interface. The third chip 330 receives the first radio frequency signal through the seventh interface.

[0105] For example, the sixth interface is an Rx analog IQ differential interface. When the third chip 330 converts the fourth RF signal into a second RF signal, and the first switching device connects the second chip 320 and the third chip 330, the second RF signal is sent to the second chip 320 through the eighth interface. The second chip 320 receives the second RF signal through the sixth interface.

[0106] Optionally, the communication device 300 further includes an FEM connected to a third terminal of the first switching device and a fifth interface connected to a first terminal of the first switching device, and / or the FEM connected to a third terminal of the second switching device and a sixth interface connected to a first terminal of the second switching device.

[0107] In one implementation, the fifth interface on the second chip 320 is connected to the first terminal of the first switching device, and the third terminal of the first switching device is connected to the FEM (as shown by the solid line in Figure 3). This allows the radio frequency signal of the WiFi band output by the second chip 320 to be transmitted through the antenna, that is, the first radio frequency signal is transmitted through the antenna.

[0108] In one implementation, the sixth interface on the second chip 320 is connected to the first terminal of the second switching device, and the third terminal of the second switching device is connected to the FEM (as shown by the dotted line in Figure 3), so that the radio frequency signal of the WiFi band received by the antenna can be sent to the second chip 320.

[0109] Through the first and second switching devices, the second chip can be flexibly connected to the third chip or FEM to transmit WiFi band signals to the antenna or millimeter wave band signals to the antenna as needed, thereby realizing flexible switching of multi-band radio frequency signals.

[0110] Optionally, the second chip 320 further includes a first control module; the first control module is used to receive a first control signal from the first chip and send a second control signal to the third chip based on the first control signal, the second control signal being used to adjust the power of the third radio frequency signal or the fourth radio frequency signal.

[0111] Optionally, a first control module is configured to receive a third control signal from a first chip. The third control signal is used to control the switching modes of the first switching device and / or the second switching device. The switching modes include a first mode and a second mode. In the first mode, the first switching device is connected to the second chip and the FEM, and / or in the first mode, the second switching device is connected to the second chip and the FEM. In the second mode, the first switching device is connected to the second chip and the third chip, and / or in the second mode, the second switching device is connected to the second chip and the third chip.

[0112] In this configuration, the first switching device connects the second chip and the FEM, which can be understood as establishing a channel between the second chip and the FEM, enabling signal transmission. For example, the second chip sends a first radio frequency (RF) signal to the FEM. Similarly, the second switching device connects the second chip and the FEM, enabling signal transmission. For example, the FEM sends a WiFi-band RF signal to the second chip. The first switching device also connects the second chip and the third chip, enabling signal transmission. For example, the second chip sends a first RF signal to the third chip. Finally, the second switching device connects the second chip and the third chip, enabling signal transmission. For example, the third chip sends a second RF signal to the second chip.

[0113] For example, the first chip 310 can generate a first control signal and send the first control signal to the second chip 320. Based on the first control signal, the second chip 320 obtains a second control signal and sends it to the third chip 330. The second control signal can regulate the power, gain, etc. of the third or fourth radio frequency signal. The second control signal can also adjust the operating frequency, phase, etc. of the third or fourth radio frequency signal.

[0114] The first chip 310 can generate a third control signal, which can control the first switching device and / or the second switching device, such that the first switching device is connected to the second chip 320 and the FEM, or the second switching device is connected to the second chip 320 and the FEM; or the first switching device is connected to the second chip 320 and the third chip 330, or the second switching device is connected to the second chip 320 and the third chip 330.

[0115] It should be noted that the first, second, and third control signals mentioned above are transmitted through a control channel, which corresponds to a serial peripheral interface (SPI), general purpose input / output (GPIO), or other control interfaces. Alternatively, it can correspond to a proprietary control interface, which can be a custom interface.

[0116] The third chip 330 is used to convert the first radio frequency signal from the second chip into a third radio frequency signal and send the third radio frequency signal to the antenna, and / or to convert the fourth radio frequency signal from the antenna into a second radio frequency signal and send the second radio frequency signal to the second chip. The third radio frequency signal occupies the fifth frequency band, and the fourth radio frequency signal occupies the sixth frequency band.

[0117] For example, the fifth and sixth frequency bands are millimeter-wave frequency bands. At this time, the communication device 300 converts the first baseband signal in the first frequency band into a first radio frequency signal in the third frequency band through the second chip, and converts the first radio frequency signal into a third radio frequency signal in the fifth frequency band through the third chip.

[0118] For example, the third chip 330, also known as a millimeter-wave chip or millimeter-wave card, can perform frequency conversion processing on the received first radio frequency signal to generate a third radio frequency signal. Specifically, the first radio frequency signal is converted into a third radio frequency signal, where the starting frequency band of the fifth frequency band occupied by the third radio frequency signal is greater than the ending frequency band of the third frequency band occupied by the first radio frequency signal. For example, if the first radio frequency signal occupies a frequency band of 2.4 GHz and the third radio frequency signal is a millimeter-wave signal, then the frequency band occupied by the third radio frequency signal is 30 GHz to 300 GHz. Alternatively, the third chip 330 can perform frequency conversion processing on the received fourth radio frequency signal to generate a second radio frequency signal. Specifically, the fourth radio frequency signal is converted into a second radio frequency signal. The fourth radio frequency signal is an electromagnetic wave signal from the antenna. The starting frequency of the sixth frequency band occupied by the fourth radio frequency signal is greater than the ending frequency of the fourth frequency band occupied by the second radio frequency signal. For example, if the fourth radio frequency signal is a millimeter wave signal, then the frequency band occupied by the fourth radio frequency signal is 30GHz to 300GHz. The frequency band occupied by the second radio frequency signal is 2.4GHz of the WiFi frequency band.

[0119] Optionally, the third chip 330 further includes a first channel and a ninth interface, and / or a second channel and a tenth interface, wherein the first channel corresponds to the ninth interface and the second channel corresponds to the tenth interface; the first channel is used to convert the first radio frequency signal received through the seventh interface into the third radio frequency signal, and transmit the third radio frequency signal to the antenna through the ninth interface; and / or the second channel is used to convert the fourth radio frequency signal received through the tenth interface into the second radio frequency signal, and transmit the second radio frequency signal to the sixth interface through the eighth interface.

[0120] For example, the first channel can be a Tx data channel, which includes analog devices such as frequency converters, amplifiers, attenuators, and filters to perform frequency conversion processing on the first radio frequency signal to obtain a third radio frequency signal. Specifically, the first channel receives the first radio frequency signal through the seventh interface, then converts the first radio frequency signal into a third radio frequency signal, and transmits the third radio frequency signal to the antenna through the ninth interface.

[0121] For example, the second channel can be an Rx data channel, which includes analog devices such as frequency converters, amplifiers, attenuators, and filters to process the fourth radio frequency signal to obtain a second radio frequency signal. Specifically, the second channel receives the fourth radio frequency signal from the antenna through the tenth interface, then converts the fourth radio frequency signal into a second radio frequency signal, and transmits the second radio frequency signal to the sixth interface through the eighth interface.

[0122] In one implementation, the third chip 330 further includes a third channel and an eleventh interface. The third channel is used to calibrate the second radio frequency signal, or to calibrate the third radio frequency signal and send the calibrated second radio frequency signal to the second chip through the eleventh interface.

[0123] For example, the third channel can be an Fb data channel, through which calibration of the second or third RF signal can be achieved to ensure signal quality and performance. One end of the third channel corresponds to the tenth interface, and the other end corresponds to the eleventh interface.

[0124] In one implementation, the first chip 310 further includes a fourth channel and / or a fifth channel. The fourth channel can be a Tx data channel, which includes analog devices such as a frequency converter, amplifier, attenuator, and filter to process the acquired data to be transmitted to obtain a first baseband signal; that is, the fourth channel is used to convert the first raw signal into a first baseband signal. The fifth channel can be an Rx data channel, which includes analog devices such as a frequency converter, amplifier, attenuator, and filter to process the second baseband signal to obtain a second raw signal of the second baseband signal; that is, the fifth channel is used to convert the second baseband signal into a second raw signal. In this case, the fourth channel corresponds to the first interface, and the fifth channel corresponds to the second interface.

[0125] For example, the first chip 310 also includes a sixth channel and a twelfth interface. The sixth channel can be an Fb data channel, which can calibrate the first baseband signal to ensure signal quality and performance. Alternatively, the sixth channel can calibrate the second raw signal. The sixth channel corresponds to the twelfth interface (also known as the Fb analog IQ differential interface).

[0126] In one implementation, the second chip 320 further includes a seventh channel and / or an eighth channel. The seventh channel can be a Tx data channel, comprising analog devices such as a frequency converter, amplifier, attenuator, and filter to process the acquired data to be transmitted, obtaining a first radio frequency (RF) signal. In other words, the seventh channel can convert the first baseband signal into a first RF signal. The eighth channel can be an Rx data channel, comprising analog devices such as a frequency converter, amplifier, attenuator, and filter to process the second RF signal, obtaining a second baseband signal. In other words, the eighth channel is used to convert the second RF signal into a second baseband signal. One end of the seventh channel corresponds to the third interface, and the other end corresponds to the fifth interface. One end of the eighth channel corresponds to the fourth interface, and the other end corresponds to the sixth interface.

[0127] For example, the second chip 320 also includes a ninth channel, a thirteenth interface, and a fourteenth interface. The ninth channel can be an Fb data channel, capable of calibrating the first radio frequency signal to ensure signal quality and performance. Alternatively, the ninth channel can be capable of calibrating the second baseband signal. One end of the ninth channel corresponds to the thirteenth interface (also known as an Fb analog IQ differential interface), and the other end of the ninth channel corresponds to the fourteenth interface (also known as an Fb analog IQ differential interface).

[0128] For example, the communication device 300 also includes a third switching device. The first end of the third switching device is connected to the fourteenth interface on the second chip 320, the second end of the third switching device is connected to the eleventh interface on the third chip 330, and the third end of the third switching device is connected to the FEM.

[0129] For example, the third chip 330 also includes a second control module for receiving a third control signal from the second chip 320.

[0130] For example, the third control signal is used to control the switching mode of the third switching device. The switching mode includes a first mode and a second mode. In the first mode, the third switching device connects the second chip and the FEM. In the second mode, the third switching device connects the second chip and the third chip.

[0131] Optionally, the third chip 330 further includes a synchronization module; the second chip 320 is also used to generate a clock signal and send the clock signal to the third chip 330; the synchronization module is used to receive the clock signal and adjust the clock of the third radio frequency signal according to the clock signal.

[0132] For example, the clock signal can be a single-tone signal with a fixed frequency. Specifically, the clock signal has only one frequency.

[0133] For example, the third chip 330 also includes a clock channel through which the synchronization module receives clock signals.

[0134] Optionally, the third chip 330 further includes a power module; the power module is used to receive a power supply signal, which is used to supply power to the third chip 330.

[0135] In one possible implementation, the power supply signal is generated by the second chip 320 and sent to the third chip 330.

[0136] In one possible implementation, the power supply signal comes from a module on the printed circuit board (PCB) that generates the power supply signal.

[0137] At this time, the third chip 330 also includes a power channel, which is used to transmit power supply signals, also known as voltage signals. These voltage signals can be voltage signals of various amplitudes, such as 1.2V, 3.3V, or 5V.

[0138] It should be noted that the interfaces on the third chip (e.g., the seventh, eighth, ninth, tenth, and eleventh interfaces) can be card-type interfaces, snap-on interfaces, or interfaces in the form of flexible connectors, etc. The interfaces on the third chip can be analog or digital interfaces. This application does not limit the interface forms on the first, second, and third chips.

[0139] It should also be noted that the embodiments of this application do not limit the number of the fourth, fifth, and sixth channels in the first chip 310, and the number of interfaces on the first chip 310 corresponds to the number of the fourth, fifth, and sixth channels. The embodiments of this application do not limit the number of the seventh, eighth, and ninth channels in the second chip 320, and the number of interfaces on the second chip 320 corresponds to the number of the seventh, eighth, and ninth channels. The embodiments of this application do not limit the number of the first, second, and third channels in the third chip 330, and the number of interfaces on the third chip 330 corresponds to the number of the first, second, and third channels.

[0140] In this embodiment, the second chip converts the first baseband signal of the first frequency band into a first radio frequency signal of the third frequency band, and then sends the first radio frequency signal to the FEM; or the second chip sends the first radio frequency signal to the third chip, which converts the first radio frequency signal into a third radio frequency signal of the fifth frequency band and transmits it through the antenna. Alternatively, the third chip can convert the fourth radio frequency signal of the sixth frequency band from the antenna into a second radio frequency signal of the fourth frequency band and send it to the second chip, which further converts the second radio frequency signal into a second baseband signal of the second frequency band; or the FEM sends electromagnetic wave signals from the antenna to the second chip, which converts the electromagnetic wave signals into a second baseband signal of the second frequency band. This allows the communication device to flexibly switch between different frequency bands, enabling it to be compatible with signals from multiple frequency bands and improving the performance of the communication system. Furthermore, the third chip can be flexibly connected to the second chip as a plug-in card. Therefore, when it is necessary to convert the first radio frequency signal of the third frequency band into a third radio frequency signal of the fifth frequency band, or to convert the fourth radio frequency signal of the sixth frequency band into a second radio frequency signal of the fourth frequency band, the third chip can be flexibly installed.

[0141] Figure 4 is a schematic diagram of another communication device 400 provided in an embodiment of this application. The communication device 400 can receive signals in the millimeter-wave band and can also receive signals in the WiFi band; and / or the communication device 400 can transmit signals in the millimeter-wave band and can also transmit signals in the WiFi band. For example, the frequency range occupied by the millimeter-wave band signal can be 26.5GHz-300GHz, and the frequency range occupied by the WiFi band signal can be 2.4GHz, 5GHz, or 6GHz, etc. Figure 4 describes an example using a first chip as a baseband SOC, a second chip as a sub-7G RFIC, and a third chip as a millimeter-wave chip. As shown in Figure 4, the communication device 400 includes a baseband SOC, a sub-7G RFIC, and a millimeter-wave chip.

[0142] The baseband SOC includes a first Tx analog IQ differential interface (an example of the first interface) and a first Rx analog IQ differential interface (an example of the second interface); the sub 7G RFIC includes a second Tx analog IQ differential interface (an example of the third interface), a second Rx analog IQ differential interface (an example of the fourth interface), interface #1 (an example of the fifth interface), and interface #2 (an example of the sixth interface); the millimeter-wave chip includes interface #3 (an example of the seventh interface), interface #4 (an example of the eighth interface), interface #6 (an example of the ninth interface), and interface #7 (an example of the tenth interface).

[0143] For example, the baseband SOC also includes a first Fb analog IQ differential interface (an example of the twelfth interface), the sub 7G RFIC also includes a second Fb analog IQ differential interface (an example of the thirteenth interface) and a third Fb analog IQ differential interface (an example of the fourteenth interface), and the millimeter-wave chip also includes interface #5 (an example of the eleventh interface).

[0144] In one implementation, the first Tx analog IQ differential interface on the baseband SOC is connected to the second Tx analog IQ differential interface on the sub 7G RFIC, and interface #1 on the sub 7G RFIC is connected to interface #3 on the millimeter-wave chip.

[0145] In one implementation, the first Rx analog IQ differential interface on the baseband SOC is connected to the second Rx analog IQ differential interface on the sub 7G RFIC, and interface #2 on the sub 7G RFIC is connected to interface #4 on the millimeter-wave chip.

[0146] In one implementation, the first Fb analog IQ differential interface on the baseband SOC is connected to the second Fb analog IQ differential interface on the sub 7G RFIC. The third Fb analog IQ differential interface on the sub 7G RFIC is connected to interface #5 on the millimeter-wave chip.

[0147] For example, the baseband SOC further includes a first Tx data channel (an example of the fourth channel) and a first Rx data channel (an example of the fifth channel), the sub 7G RFIC further includes a second Tx data channel (an example of the seventh channel) and a second Rx data channel (an example of the eighth channel), and the millimeter-wave chip further includes a third Tx data channel (an example of the first channel) and a third Rx data channel (an example of the second channel). Specifically, the first Tx data channel corresponds to the first Tx analog IQ differential interface, and the first Rx data channel corresponds to the first Rx analog IQ differential interface; one end of the second Tx data channel corresponds to the second Tx analog IQ differential interface, and the other end corresponds to interface #1; one end of the second Rx data channel corresponds to the second Rx analog IQ differential interface, and the other end corresponds to interface #2; one end of the third Tx data channel corresponds to interface #3, and the other end corresponds to interface #6; one end of the third Rx data channel corresponds to interface #4, and the other end corresponds to interface #7.

[0148] For example, the baseband SOC also includes a first Fb data channel (an example of the sixth channel), the sub 7G RFIC also includes a second Fb data channel (an example of the ninth channel), and the millimeter-wave chip also includes a third Fb data channel (an example of the third channel). The first Fb data channel corresponds to the first Fb analog IQ differential interface; one end of the second Fb data channel corresponds to the second Fb analog IQ differential interface, and the other end of the second Fb data channel corresponds to the third Fb analog IQ differential interface; the third Fb data channel corresponds to interface #5.

[0149] For example, the baseband SOC acquires baseband signal #1 through the first Tx data channel, and then transmits baseband signal #1 (an example of the first baseband signal) to the sub 7G RFIC through the first Tx analog IQ differential interface. Correspondingly, the sub 7G RFIC receives baseband signal #1 from the baseband SOC through the second Tx analog IQ differential interface. Then, the sub 7G RFIC converts baseband signal #1 into WiFi radio frequency signal #1 (an example of the first radio frequency signal) through the second Tx data channel. Further, the sub 7G RFIC transmits this WiFi radio frequency signal #1 to the millimeter-wave chip through interface #1. The millimeter-wave chip receives the WiFi radio frequency signal #1 from the sub 7G RFIC through interface #3, and then converts the WiFi radio frequency signal #1 into millimeter-wave radio frequency signal #A (an example of the third radio frequency signal) through the third Tx data channel. Further, the millimeter-wave chip transmits this millimeter-wave radio frequency signal #A to the antenna through interface #6.

[0150] For example, the millimeter-wave chip receives a millimeter-wave radio frequency signal #B (an example of a fourth radio frequency signal) from the antenna via interface #7, then converts the millimeter-wave radio frequency signal #B into a WiFi radio frequency signal #2 (an example of a second radio frequency signal) via the third Rx data channel, and transmits the WiFi radio frequency signal #2 to the sub 7G RFIC via interface #4. Correspondingly, the sub 7G RFIC receives the WiFi radio frequency signal #2 from the millimeter-wave chip via interface #2, converts the WiFi radio frequency signal #2 into a baseband signal #2 (an example of a second baseband signal) via the second Rx data channel, and then transmits the baseband signal #2 to the baseband SOC via the second Rx analog IQ differential interface. Further, the baseband SOC receives the baseband signal #2 from the sub 7G RFIC via the first Rx analog IQ differential interface, and converts the baseband signal #2 back into the original signal via the first Rx data channel.

[0151] For example, the millimeter-wave chip corrects the WiFi RF signal #2 and the millimeter-wave RF signal #A through the third Fb data channel, and sends the corrected WiFi RF signal #2 to the sub 7G RFIC through interface #5. Correspondingly, the sub 7G RFIC receives the corrected RF signal from the millimeter-wave chip through the third Fb analog IQ differential interface. The sub 7G RFIC corrects the baseband signal #2 or the WiFi RF signal #1 through the second Fb data channel, and sends the corrected baseband signal #2 to the baseband SOC through the second Fb analog IQ differential interface. Further, the baseband SOC corrects the baseband signal #1 through the first Fb data channel.

[0152] Optionally, the baseband SOC is also used to generate control signal #1 and transmit it to the sub 7G RFIC through the control channel. The sub 7G RFIC parses the control signal #1 and generates control signal #2, and transmits control signal #2 to the millimeter-wave chip through the control channel.

[0153] For example, the baseband SOC is also used to generate control signal #3 and transmit it to the sub 7G RFIC via the control channel.

[0154] For example, the communication device 400 further includes a switching device #1 (an example of a first switching device), a switching device #2 (an example of a second switching device), and a switching device #3 (an example of a third switching device). The control signal #3 is capable of controlling the switching modes of the switching device #1, and / or the switching device #2, and / or the switching device #3, where the switching modes include mode #1 (an example of a first mode) and mode #2 (an example of a second mode).

[0155] For a detailed description of control signals #1 to #3, switching devices #1 to #3, switching mode #1, and switching mode #2, please refer to the above description of communication device 300, which will not be repeated here.

[0156] For example, the millimeter-wave chip also includes a synchronization module and a power module. The sub 7G RFIC is also used to generate clock signals and power supply signals.

[0157] For a detailed description of the synchronization module, power module, clock signal, and power supply signal, please refer to the above description of the communication device 300, which will not be repeated here.

[0158] It should be noted that the communication device 400 is described using the example of a baseband SOC, a sub 7G RFIC, and a millimeter-wave chip that each include only one Tx data channel, one RX data channel, and one Fb data channel. In actual implementation, this application does not limit the number of Tx data channels, RX data channels, and Fb data channels, nor does it limit the number of interfaces corresponding to the channels. That is, the number of interfaces depends on the number of channels.

[0159] In this embodiment, the sub-7G RFIC converts the baseband signal into a WiFi band radio frequency signal, and then transmits the WiFi band radio frequency signal to the FEM; or the sub-7G RFIC transmits the WiFi band radio frequency signal to the millimeter-wave chip, which converts the WiFi band radio frequency signal into a millimeter-wave band radio frequency signal and transmits it via the antenna. Alternatively, the millimeter-wave chip can also convert the millimeter-wave band radio frequency signal from the antenna into a WiFi band radio frequency signal and send it to the sub-7G RFIC, which further converts the WiFi band radio frequency signal into a baseband signal; or the FEM sends the electromagnetic wave signal from the antenna to the sub-7G RFIC, which converts the electromagnetic wave signal into a baseband signal. This allows the communication device to flexibly switch between different frequency bands, enabling it to be compatible with signals from multiple frequency bands and improving the performance of the communication system. In addition, the millimeter-wave chip can be flexibly connected to the sub 7G RFIC in the form of a plug-in card. Therefore, the millimeter-wave chip can be flexibly installed when it is necessary to convert the radio frequency signal of the WiFi band to the radio frequency signal of the millimeter-wave band, or to convert the radio frequency signal of the millimeter-wave band to the radio frequency signal of the WiFi band.

[0160] Figure 5 is a schematic diagram of a communication method 500 provided in an embodiment of this application. The communication method 500 is applied to a communication device, which can be used in the aforementioned communication devices 300 and 400. The communication device includes a first chip, a second chip, and a third chip, with the first chip and the second chip connected together, and the second chip and the third chip connected together. The method 500 includes the following steps.

[0161] S510, the first chip sends a first baseband signal to the second chip, and / or receives a second baseband signal from the second chip.

[0162] The first baseband signal occupies the first frequency band, and the second baseband signal occupies the second frequency band. The center frequency of the first and second frequency bands is 0.

[0163] Optionally, the first chip includes a first interface and / or a second interface, and the second chip includes a third interface and / or a fourth interface; the connection between the first chip and the second chip includes: the first interface and the third interface being connected, and / or the second interface and the fourth interface being connected.

[0164] Optionally, the communication device further includes a first switching device and / or a second switching device, the second chip further includes a fifth interface and / or a sixth interface, and the third chip includes a seventh interface and / or an eighth interface; the connection between the second chip and the third chip includes: the fifth interface is connected to a first end of the first switching device, and the seventh interface is connected to a second end of the first switching device, and / or the sixth interface is connected to a first end of the second switching device, and the eighth interface is connected to a second end of the second switching device.

[0165] Optionally, the communication device further includes an FEM connected to a third terminal of the first switching device and a fifth interface connected to a first terminal of the first switching device, and / or the FEM connected to a third terminal of the second switching device and a sixth interface connected to a first terminal of the second switching device.

[0166] S520, the second chip converts the first baseband signal from the first chip into a first radio frequency signal and sends the first radio frequency signal to the third chip, and / or converts the second radio frequency signal from the third chip into a second baseband signal and sends the second baseband signal to the first chip.

[0167] The first radio frequency signal occupies the third frequency band, and the second radio frequency signal occupies the fourth frequency band. The third and fourth frequency bands are WiFi frequency bands.

[0168] Optionally, the second chip further includes a first control module, and the method 500 further includes: the second chip receiving a first control signal from the first chip through the first control module, and sending a second control signal to the third chip based on the first control signal, the second control signal being used to adjust the power of the third radio frequency signal or the fourth radio frequency signal.

[0169] Optionally, the second chip further includes a first control module, and the method 500 further includes: the second chip receiving a third control signal from the first chip through the first control module, the third control signal being used to control the switching mode of the first switching device and / or the second switching device, the switching mode including a first mode and a second mode, the first mode being that the first switching device connects the second chip and the FEM, and / or the first mode being that the second switching device connects the second chip and the FEM, the second mode being that the first switching device connects the second chip and the third chip, and / or the second mode being that the second switching device connects the second chip and the third chip.

[0170] S530, the third chip converts the first radio frequency signal from the second chip into a third radio frequency signal and sends the third radio frequency signal to the antenna, and / or converts the fourth radio frequency signal from the antenna into a second radio frequency signal and sends the second radio frequency signal to the second chip.

[0171] The third radio frequency signal occupies the fifth frequency band, and the fourth radio frequency signal occupies the sixth frequency band. The fifth and sixth frequency bands are millimeter wave bands.

[0172] Optionally, the third chip further includes a first channel and a ninth interface, and / or a second channel and a tenth interface, wherein the first channel corresponds to the ninth interface and the second channel corresponds to the tenth interface; the third chip converts a first radio frequency signal from the second chip into a third radio frequency signal and transmits the third radio frequency signal to the antenna, including: the third chip converts the received first radio frequency signal into the third radio frequency signal through the first channel and transmits the third radio frequency signal to the antenna through the ninth interface; and / or converts a fourth radio frequency signal from the antenna into a second radio frequency signal and transmits the second radio frequency signal to the second chip, including: the third chip receives the fourth radio frequency signal from the antenna through the tenth interface and converts the fourth radio frequency signal into the second radio frequency signal through the second channel; the third chip transmits the second radio frequency signal to the sixth interface through the eighth interface.

[0173] Optionally, the third chip further includes a third channel and an eleventh interface; the method further includes: the third chip calibrating the second radio frequency signal through the third channel, or calibrating the third radio frequency signal and sending the calibrated second radio frequency signal to the second chip through the eleventh interface.

[0174] In one implementation, the first chip further includes a fourth channel and / or a fifth channel. The fourth channel corresponds to the first interface, and the fifth channel corresponds to the second interface. The method further includes: the first chip converting the first raw signal into a first baseband signal through the fourth channel, and / or the first chip converting the second baseband signal into a second raw signal through the fifth channel.

[0175] For example, the first chip further includes a sixth channel and a twelfth interface, the sixth channel corresponding to the twelfth interface. The first chip calibrates the first baseband signal through the sixth channel; or the first chip calibrates the second raw signal through the sixth channel.

[0176] In one implementation, the second chip further includes a seventh channel and / or an eighth channel. One end of the seventh channel corresponds to a third interface, and the other end of the seventh channel corresponds to a fifth interface. One end of the eighth channel corresponds to a fourth interface, and the other end of the eighth channel corresponds to a sixth interface. The second chip converts the first radio frequency signal into a third radio frequency signal through the seventh channel, and / or the second chip converts the second radio frequency signal into a second baseband signal through the eighth channel.

[0177] For example, the second chip further includes a ninth channel, a thirteenth interface, and a fourteenth interface, with one end of the ninth channel corresponding to the thirteenth interface and the other end corresponding to the fourteenth interface. The second chip calibrates the first radio frequency signal through the nine channels; or the second chip calibrates the second baseband signal through the ninth channel.

[0178] For example, the third chip further includes a second control module, and the method 500 further includes: the third chip receiving a third control signal from the second chip through the second control module.

[0179] For example, the communication device further includes a third switching device. A first terminal of the third switching device is connected to a fourteenth interface on the second chip, a second terminal of the third switching device is connected to an eleventh interface on the third chip, and a third terminal of the third switching device is connected to the FEM.

[0180] For example, the third control signal is used to control the switching mode of the third switching device. The switching mode includes a first mode and a second mode. In the first mode, the third switching device connects the second chip and the FEM. In the second mode, the third switching device connects the second chip and the third chip.

[0181] Optionally, the third chip further includes a synchronization module; the method 500 further includes: the second chip generating a clock signal and sending the clock signal to the third chip; the third chip receiving the clock signal through the synchronization module and adjusting the clock of the third radio frequency signal according to the clock signal.

[0182] Optionally, the third chip further includes a power module; the method 500 further includes: the third chip receiving a power supply signal through the power module, the power supply signal being used to power the third chip.

[0183] For details regarding the first chip, second chip, and third chip in method 500, please refer to the above description of communication device 300, which will not be repeated here.

[0184] In this embodiment, the second chip converts the first baseband signal of the first frequency band into a first radio frequency signal of the third frequency band, and then sends the first radio frequency signal to the FEM; or the second chip sends the first radio frequency signal to the third chip, which converts the first radio frequency signal into a third radio frequency signal of the fifth frequency band and transmits it through the antenna. Alternatively, the third chip can convert the fourth radio frequency signal of the sixth frequency band from the antenna into a second radio frequency signal of the fourth frequency band and send it to the second chip, which further converts the second radio frequency signal into a second baseband signal of the second frequency band; or the FEM sends electromagnetic wave signals from the antenna to the second chip, which converts the electromagnetic wave signals into a second baseband signal of the second frequency band. This allows the communication device to flexibly switch between different frequency bands, enabling it to be compatible with signals from multiple frequency bands and improving the performance of the communication system. Furthermore, the third chip can be flexibly connected to the second chip as a plug-in card. Therefore, when it is necessary to convert the first radio frequency signal of the third frequency band into a third radio frequency signal of the fifth frequency band, or to convert the fourth radio frequency signal of the sixth frequency band into a second radio frequency signal of the fourth frequency band, the third chip can be flexibly installed.

[0185] Figure 6 is a schematic diagram of a communication device 1000 provided in an embodiment of this application. The communication device 1000 includes a transceiver unit 1010 and a processing unit 1020. The transceiver unit 1010 can be used to implement corresponding communication functions. The transceiver unit 1010 can also be referred to as a communication interface or a communication unit. The processing unit 1020 can be used to perform processing.

[0186] In a first possible design, the device 1000 may be the first chip in the aforementioned embodiments. The device 1000 can implement the steps or processes corresponding to those executed by the first chip in the above method embodiments. Specifically, the transceiver unit 1010 can be used to perform transceiver-related operations of the first chip in the above method embodiments (such as transmitting a first baseband signal and / or receiving a second baseband signal), and the processing unit 1020 can be used to perform processing-related operations of the first chip in the above method embodiments, or operations other than transceiver operations (such as operations other than transmitting a first baseband signal and / or receiving a second baseband signal).

[0187] One possible implementation is that the transceiver unit 1010 is used to transmit a first baseband signal and / or receive a second baseband signal, wherein the first baseband signal occupies a first frequency band and the second baseband signal occupies a second frequency band; and the processing unit 1020 is used to convert the first original signal into a first baseband signal and / or convert the second baseband signal into a second original signal.

[0188] In a second possible design, the device 1000 may be the second chip in the aforementioned embodiments. This device 1000 can implement the steps or processes performed by the second chip corresponding to those described in the method embodiments above. Specifically, the transceiver unit 1010 can be used to perform transceiver-related operations of the second chip in the method embodiments above (such as transmitting a first radio frequency signal and / or receiving a second radio frequency signal), and the processing unit 1020 can be used to perform processing-related operations of the second chip in the method embodiments above, or operations other than transceiver operations (such as operations other than transmitting a first radio frequency signal and / or receiving a second radio frequency signal).

[0189] One possible implementation is that the transceiver unit 1010 is used to transmit a first radio frequency signal and / or transmit a second baseband signal; the processing unit 1020 is used to convert the first baseband signal into a first radio frequency signal and / or convert the second radio frequency signal into a second baseband signal.

[0190] In a second possible design, the device 1000 can be the third chip in the aforementioned embodiments, which can implement the steps or processes corresponding to those executed by the third chip in the above method embodiments. Specifically, the transceiver unit 1010 can be used to perform transceiver-related operations of the third chip in the above method embodiments (such as transmitting a second radio frequency signal and / or receiving a fourth radio frequency signal), and the processing unit 1020 can be used to perform processing-related operations of the second chip in the above method embodiments, or operations other than transceiver operations (such as operations other than transmitting a second radio frequency signal and / or receiving a fourth radio frequency signal).

[0191] One possible implementation is that the processing unit 1020 is used to convert the first radio frequency signal into a third radio frequency signal, and / or convert the fourth radio frequency signal into a second radio frequency signal, wherein the third radio frequency signal occupies the fifth frequency band and the fourth radio frequency signal occupies the sixth frequency band; and the transceiver unit 1010 is used to transmit the second radio frequency signal or the third radio frequency signal.

[0192] Optionally, the device 1000 may further include a storage unit, which can be used to store instructions and / or data, and the processing unit 1020 can read the instructions and / or data in the storage unit to enable the device to implement the aforementioned method embodiments.

[0193] It should be understood that the specific process of each unit performing the above-mentioned corresponding steps has been described in detail in the above method embodiments, and will not be repeated here for the sake of brevity.

[0194] It should also be understood that the device 1000 here is embodied in the form of a functional unit. The term "unit" here can refer to an application-specific integrated circuit (ASIC), electronic circuitry, a processor (e.g., a shared processor, a proprietary processor, or a group processor, etc.) and memory for executing one or more software or firmware programs, integrated logic circuitry, and / or other suitable components supporting the described functions. In an alternative example, those skilled in the art will understand that the device 1000 can be specifically the communication device in the above embodiments, and can be used to execute the various processes and / or steps corresponding to the communication device in the above method embodiments; to avoid repetition, these will not be described again here.

[0195] The apparatus 1000 of each of the above-described schemes has the function of implementing the corresponding steps performed by the communication device (such as the first chip, the second chip, and the third chip) in the above-described methods. The functions can be implemented in hardware or by hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the above functions; for example, the transceiver unit can be replaced by a transceiver (e.g., the transmitting unit in the transceiver unit can be replaced by a transmitter, and the receiving unit in the transceiver unit can be replaced by a receiver), and other units, such as processing units, can be replaced by processors, each performing the transceiver operations and related processing operations in the respective method embodiments.

[0196] In addition, the transceiver unit 1010 may also be a transceiver circuit (for example, it may include a receiving circuit and a transmitting circuit), and the processing unit 1020 may be a processing circuit.

[0197] Figure 7 is a schematic diagram of a communication device 1100 provided in an embodiment of this application. The device 1100 includes a processor 1110, which is coupled to a memory 1120. The memory 1120 is used to store computer programs or instructions and / or data. The processor 1110 is used to execute the computer programs or instructions stored in the memory 1120, or to read the data stored in the memory 1120, in order to execute the methods in the above method embodiments.

[0198] Optionally, there may be one or more processors 1110.

[0199] Optionally, the memory 1120 may be one or more.

[0200] Alternatively, the memory 1120 can be integrated with the processor 1110, or it can be set separately.

[0201] Optionally, as shown in FIG7, the device 1100 further includes a transceiver 1130, which is used for receiving and / or transmitting signals. For example, the processor 1110 is used to control the transceiver 1130 to receive and / or transmit a first baseband signal; for another example, the processor 1110 is used to control the transceiver 1130 to receive and / or transmit a first radio frequency signal; for yet another example, the processor 1110 is used to control the transceiver 1130 to receive and / or transmit a second radio frequency signal.

[0202] As an example, processor 1110 may have the functions of processing unit 1120 shown in FIG. 6, memory 1120 may have the functions of storage unit, and transceiver 1130 may have the functions of transceiver unit 1110 shown in FIG. 6.

[0203] As one option, the device 1100 is used to implement the operations performed by the communication device (such as the first chip, the second chip, or the third chip) in the various method embodiments described above.

[0204] For example, processor 1110 is used to execute computer programs or instructions stored in memory 1120 to implement the relevant operations of the communication devices (such as the first chip, the second chip, and the third chip) in the various method embodiments described above.

[0205] It should be understood that the processor mentioned in the embodiments of this application can be a central processing unit (CPU), or other general-purpose processors, digital signal processors (DSPs), application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general-purpose processor can be a microprocessor or any conventional processor.

[0206] It should also be understood that the memory mentioned in the embodiments of this application can be volatile memory and / or non-volatile memory. Non-volatile memory can be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), or flash memory. Volatile memory can be random access memory (RAM). For example, RAM can be used as an external cache. By way of example and not limitation, RAM includes the following forms: static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDR SDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous linked dynamic random access memory (SLDRAM), and direct rambus RAM (DR RAM).

[0207] It should be noted that when the processor is a general-purpose processor, DSP, ASIC, FPGA, or other programmable logic device, discrete gate or transistor logic device, or discrete hardware component, the memory (storage module) can be integrated into the processor.

[0208] It should also be noted that the memory described herein is intended to include, but is not limited to, these and any other suitable types of memory.

[0209] Figure 8 is a schematic diagram of a chip system 2000 provided in an embodiment of this application. The chip system 2000 (or may also be called a processing system) includes logic circuits 2010 and input / output interface 2020.

[0210] The logic circuit 2010 can be a processing circuit in the chip system 2000. The logic circuit 2010 can be coupled to a memory unit, calling instructions from the memory unit, enabling the chip system 2000 to implement the methods and functions of the embodiments of this application. The input / output interface 2020 can be an input / output circuit in the chip system 2000, outputting processed information from the chip system 2000, or inputting data or signaling information to be processed into the chip system 2000 for processing.

[0211] As one approach, the chip system 2000 is used to implement the operations performed by the communication device (such as the first chip, the second chip, or the third chip) in the various method embodiments described above.

[0212] For example, logic circuit 2010 is used to implement processing-related operations performed by the communication device (such as the first chip, the second chip, or the third chip) in the above method embodiments, such as converting the first radio frequency signal into a third radio frequency signal; or, for example, converting the fourth radio frequency signal into a second radio frequency signal; input / output interface 2020 is used to implement transmission and / or reception-related operations performed by the communication device (such as the first chip, the second chip, or the third chip) in the above method embodiments, such as transmitting a first baseband signal; or, for example, receiving a first baseband signal; or, for example, transmitting a first radio frequency signal; or, for example, transmitting a second radio frequency signal.

[0213] This application also provides a computer-readable storage medium storing a computer program or instructions for implementing the methods executed by the communication device in the above-described method embodiments. For example, when the computer program or instructions are run on the communication device, the communication device causes the communication device to execute the above-described methods (such as method 500).

[0214] This application also provides a computer program product comprising instructions that, when executed by a computer, implement the methods performed by the communication device in the above-described method embodiments. For example, when the computer program or instructions are run on the communication device, the communication device performs the above-described methods (such as method 500).

[0215] This application also provides a communication system, which includes the communication devices described in the above embodiments.

[0216] The explanations and beneficial effects of the relevant contents in the above-mentioned device can be found in the corresponding method embodiments provided above, and will not be repeated here.

[0217] In the several embodiments provided in this application, it should be understood that the disclosed apparatus and methods can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative; for instance, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of apparatus or units may be electrical, mechanical, or other forms.

[0218] In the above embodiments, implementation can be achieved entirely or partially through software, hardware, firmware, or any combination thereof. When implemented using software, it can be implemented entirely or partially in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, all or part of the processes or functions described in the embodiments of this application are generated. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. For example, the computer can be a personal computer, a server, or a network device, etc. The computer instructions can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another. For example, the computer instructions can be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means. The computer-readable storage medium can be any available medium that a computer can access or a data storage device such as a server or data center that integrates one or more available media. The available media can be magnetic media (e.g., floppy disks, hard disks, magnetic tapes), optical media (e.g., DVDs), or semiconductor media (e.g., solid-state disks, SSDs). For example, the aforementioned available media include, but are not limited to, USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks, and other media capable of storing program code.

[0219] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A communication device, characterized by include: A first chip, a second chip, and a third chip, wherein the first chip and the second chip are connected, and the second chip and the third chip are connected; The first chip is configured to send a first baseband signal to the second chip, and / or to receive a second baseband signal from the second chip, wherein the first baseband signal occupies a first frequency band and the second baseband signal occupies a second frequency band; The second chip is used to convert the first baseband signal from the first chip into a first radio frequency signal and send the first radio frequency signal to the third chip, and / or to convert the second radio frequency signal from the third chip into a second baseband signal and send the second baseband signal to the first chip, wherein the first radio frequency signal occupies a third frequency band and the second radio frequency signal occupies a fourth frequency band; The third chip is used to convert the first radio frequency signal from the second chip into a third radio frequency signal and send the third radio frequency signal to the antenna, and / or to convert the fourth radio frequency signal from the antenna into the second radio frequency signal and send the second radio frequency signal to the second chip, wherein the third radio frequency signal occupies a fifth frequency band and the fourth radio frequency signal occupies a sixth frequency band.

2. The communication device of claim 1, wherein, The center frequency of the first and second frequency bands is 0, the third and fourth frequency bands are WiFi bands, and the fifth and sixth frequency bands are millimeter wave bands.

3. The communication device according to claim 1 or 2, characterized by The first chip includes a first interface and / or a second interface, the second chip includes a third interface and / or a fourth interface, and the connection between the first chip and the second chip includes: The first interface is connected to the third interface, and / or the second interface is connected to the fourth interface.

4. The communication device according to any one of claims 1-3, characterized by The communication device further includes a first switching device and / or a second switching device, the second chip further includes a fifth interface and / or a sixth interface, the third chip includes a seventh interface and / or an eighth interface, and the second chip and the third chip are connected, including: The fifth interface is connected to the first terminal of the first switching device, and the seventh interface is connected to the second terminal of the first switching device; and / or The sixth interface is connected to the first end of the second switching device, and the eighth interface is connected to the second end of the second switching device.

5. The communication device of claim 4, wherein, The communication device further includes a front-end module (FEM), which is connected to the third terminal of the first switching device, and the fifth interface is connected to the first terminal of the first switching device; and / or The FEM is connected to the third terminal of the second switching device, and the sixth interface is connected to the first terminal of the second switching device.

6. The communication device according to claim 4 or 5, characterized by The third chip further includes a first channel and a ninth interface, and / or a second channel and a tenth interface, wherein the first channel corresponds to the ninth interface and the second channel corresponds to the tenth interface; The first channel is used to convert the first radio frequency signal received through the seventh interface into the third radio frequency signal, and to transmit the third radio frequency signal to the antenna through the ninth interface; and / or The second channel is used to convert the fourth radio frequency signal received through the tenth interface into the second radio frequency signal, and to send the second radio frequency signal to the sixth interface through the eighth interface.

7. The communication device of claim 6, wherein, The third chip also includes a third channel and an eleventh interface. The third channel is used to calibrate the second radio frequency signal, or to calibrate the third radio frequency signal, and to send the calibrated second radio frequency signal to the second chip through the eleventh interface.

8. The communication device of any of claims 1-7, wherein, The second chip further includes a first control module, which is used to receive a first control signal from the first chip and send a second control signal to the third chip based on the first control signal. The second control signal is used to adjust the power of the third radio frequency signal or the fourth radio frequency signal.

9. The communication device according to any one of claims 5-8, characterized by The second chip further includes a first control module, which is configured to receive a third control signal from the first chip. The third control signal is configured to control the switching mode of the first switching device and / or the second switching device. The switching mode includes a first mode and a second mode. The first mode is that the first switching device connects the second chip and the FEM, and / or the first mode is that the second switching device connects the second chip and the FEM, the second mode is that the first switching device connects the second chip and the third chip, and / or the second mode is that the second switching device connects the second chip and the third chip.

10. The communication device of any of claims 1-9, wherein, The third chip also includes a synchronization module; The second chip is also used to generate a clock signal and send the clock signal to the third chip; The synchronization module is used to receive the clock signal and adjust the clock of the third radio frequency signal according to the clock signal.

11. The communication device of any of claims 1-10, wherein, The third chip also includes a power module; The power module is used to receive a power supply signal, which is used to power the third chip.

12. A communication method applied to a communication device, the communication device comprising: A first chip, a second chip, and a third chip, wherein the first chip and the second chip are connected, and the second chip and the third chip are connected, characterized in that the method includes: The first chip sends a first baseband signal to the second chip, and / or receives a second baseband signal from the second chip, wherein the first baseband signal occupies a first frequency band and the second baseband signal occupies a second frequency band; The second chip converts the first baseband signal from the first chip into a first radio frequency signal and sends the first radio frequency signal to the third chip, and / or converts the second radio frequency signal from the third chip into a second baseband signal and sends the second baseband signal to the first chip. The first radio frequency signal occupies a third frequency band, and the second radio frequency signal occupies a fourth frequency band. The third chip converts the first radio frequency signal from the second chip into a third radio frequency signal and sends the third radio frequency signal to the antenna, and / or converts the fourth radio frequency signal from the antenna into the second radio frequency signal and sends the second radio frequency signal to the second chip. The third radio frequency signal occupies the fifth frequency band, and the fourth radio frequency signal occupies the sixth frequency band.

13. The communication method according to claim 12, wherein, The center frequency of the first and second frequency bands is 0, the third and fourth frequency bands are WiFi bands, and the fifth and sixth frequency bands are millimeter wave bands.

14. The communication method according to claim 12 or 13, characterized by, The first chip includes a first interface and / or a second interface, and the second chip includes a third interface and / or a fourth interface. The first chip and the second chip are connected, including: The first interface is connected to the third interface, and / or the second interface is connected to the fourth interface.

15. The communication method according to any one of claims 12-14, characterized by, The communication device further includes a first switching device and / or a second switching device, the second chip further includes a fifth interface and / or a sixth interface, and the third chip includes a seventh interface and / or an eighth interface. The second chip and the third chip are connected, including: The fifth interface is connected to the first end of the first switching device, and the seventh interface is connected to the second end of the first switching device, and / or the sixth interface is connected to the first end of the second switching device, and the eighth interface is connected to the second end of the second switching device.

16. The communication method according to claim 15, wherein, The communication device also includes a radio frequency front-end module (FEM). The FEM is connected to the third terminal of the first switching device, and the fifth interface is connected to the first terminal of the first switching device; and / or the FEM is connected to the third terminal of the second switching device, and the sixth interface is connected to the first terminal of the second switching device.

17. The communication method according to claim 15 or 16, wherein, The third chip further includes a first channel and a ninth interface, and / or a second channel and a tenth interface, wherein the first channel corresponds to the ninth interface and the second channel corresponds to the tenth interface; The third chip converts the first radio frequency signal from the second chip into a third radio frequency signal and transmits the third radio frequency signal to the antenna, including: The third chip converts the first radio frequency signal into the third radio frequency signal through the first channel, and transmits the third radio frequency signal to the antenna through the ninth interface; and / or The step of converting the fourth radio frequency signal from the antenna into the second radio frequency signal and sending the second radio frequency signal to the second chip includes: The third chip receives the fourth radio frequency signal from the antenna through the tenth interface, and converts the fourth radio frequency signal into the second radio frequency signal through the second channel; The third chip sends the second radio frequency signal to the sixth interface through the eighth interface.

18. The communication method according to claim 17, wherein, The third chip further includes a third channel and an eleventh interface; the method further includes: The third chip calibrates the second radio frequency signal through the third channel, or calibrates the fourth radio frequency signal, and sends the calibrated second radio frequency signal to the second chip through the eleventh interface.

19. The communication method according to any one of claims 15-18, wherein, The second chip also includes a first control module. The method further includes: The second chip receives a first control signal from the first chip through the first control module, and sends a second control signal to the third chip based on the first control signal. The second control signal is used to adjust the power of the third radio frequency signal or the fourth radio frequency signal.

20. The communication method according to any one of claims 16-19, wherein, The second chip also includes a first control module, and the method further includes: The second chip receives a third control signal from the first chip through the first control module. The third control signal is used to control the switching mode of the first switching device and / or the second switching device. The switching mode includes a first mode and a second mode. The first mode is that the first switching device is connected to the second chip and the FEM, and / or the first mode is that the second switching device is connected to the second chip and the FEM. The second mode is that the first switching device is connected to the second chip and the third chip, and / or the second mode is that the second switching device is connected to the second chip and the third chip.

21. The communication method according to any one of claims 12-20, wherein, The third chip also includes a synchronization module; The method further includes: The second chip generates a clock signal and sends the clock signal to the third chip; The third chip receives the clock signal through the synchronization module and adjusts the clock of the third radio frequency signal according to the clock signal.

22. The communication method according to any one of claims 12-21, wherein, The third chip further includes a power module; the method further includes: The third chip receives a power supply signal through the power module, and the power supply signal is used to supply power to the third chip.

23. A communication system, characterized by Includes the communication device as described in any one of claims 1-11.

24. A communications device, characterized by Includes modules or units for performing the method according to any one of claims 12-22.

25. A computer readable storage medium, characterized in that, The computer-readable storage medium stores a computer program or instructions that, when executed on a communication device, cause the communication device to perform the method as described in any one of claims 12-22.

26. A computer program product, characterised in that, The computer program product includes a computer program or instructions that, when executed on a communication device, cause the communication device to perform the method as described in any one of claims 12-22.

Images