CN110661558A - Millimeter wave transceiver - Google Patents
Millimeter wave transceiver Download PDFInfo
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- CN110661558A CN110661558A CN201810697017.5A CN201810697017A CN110661558A CN 110661558 A CN110661558 A CN 110661558A CN 201810697017 A CN201810697017 A CN 201810697017A CN 110661558 A CN110661558 A CN 110661558A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0064—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with separate antennas for the more than one band
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0426—Power distribution
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0426—Power distribution
- H04B7/043—Power distribution using best eigenmode, e.g. beam forming or beam steering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
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- Variable-Direction Aerials And Aerial Arrays (AREA)
- Transceivers (AREA)
Abstract
This paper discloses a millimeter wave transceiver, belongs to communication technology field, includes: the digital intermediate frequency link is used for converting the baseband digital signal and the radio frequency signal; the radio frequency transceiving link is used for converting a radio frequency signal and a millimeter wave signal; the wave beam forming network is used for controlling the phase and the amplitude of the millimeter wave signals to obtain the millimeter wave signals of which the phases and the amplitudes meet the preset relationship; the millimeter wave transceiving front end is used for carrying out low-noise amplification on signals received by the antenna; amplifying the power of the signal of the transmitting link; the millimeter wave transceiving front end is of a brick structure; an array antenna for receiving and transmitting millimeter wave signals; the high transmitting power of millimeter waves is realized through the brick type millimeter wave transmitting and receiving front end, the electromagnetic compatibility of the millimeter wave transceiver is improved, the millimeter wave transceiver has a good shielding effect, the integration level of equipment is improved, the structure is compact, and the extension is easy.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a millimeter wave transceiver.
Background
In the field of mobile communication, the development of products goes through stages 2G, 3G, 4G, etc., until the initial stage 5G is reached. Frequency spectrum resources have been allocated to 5G applications by international telecommunications and domestic related departments, and besides dividing frequency spectrum resources in a frequency band lower than 6GHz, application frequency bands are also divided in millimeter wave and similar frequency band ranges, such as 26GHz, 28GHz, 39GHz, 60GHz and the like.
For a transceiver in a base station, in the evolution process from 2G, 3G to 4G, the physical architecture of the transceiver does not change much, after all, the working frequency band is concentrated below 3GHz, the methods of electrical design and structural design are consistent, taking a 4G transceiver product as an example, the working frequency of the transceiver is distributed in the frequency band below 3GHz, a radio frequency transceiving link is directly connected with an antenna, each radio frequency channel generally corresponds to one antenna, the beam width of the antenna is wide, the coverage range is large, and a radio frequency beam forming technology is not generally adopted.
As an important component in base station equipment and mobile terminal equipment, the development of millimeter wave transceivers is a major and difficult point in the development of 5G technology. Compared with products such as 4G, the transceiver device applied to the 5G millimeter wave frequency band has a remarkable difference that the frequency is high, a series of design difficulties are brought by higher working frequency, and the design method and the design idea of the transceiver device have unique characteristics compared with the prior 3G and 4G:
(1) the electrical characteristics of the millimeter wave transceiving front-end link are easily influenced by parasitic parameters, and the radio frequency characteristics of the link are sensitive;
(2) in a millimeter wave frequency band, transmission loss of electromagnetic wave signals is relatively large, and in order to improve the signal coverage of equipment, a transceiver needs to have a high EIRP (Effective omnidirectional radiation power) index, which means that the transmission needs to be realized by improving the output power of a transmitting channel and increasing the gain of an antenna, and a multi-antenna beam forming technology needs to be applied;
(3) as a large-scale commercial device, a transceiver device needs to be easy to produce, debug, and maintain while satisfying electrical performance.
Disclosure of Invention
The millimeter wave transceiver has the advantages that high transmitting power of millimeter waves is achieved through the brick type millimeter wave transceiver front end, electromagnetic compatibility of the millimeter wave transceiver is improved, the millimeter wave transceiver has a good shielding effect, the integration level of equipment is improved, the structure is compact, and the extension is easy.
The technical scheme adopted for solving the technical problems is as follows:
according to one aspect herein, there is provided a millimeter-wave transceiver comprising:
the digital intermediate frequency link is used for converting the baseband digital signal and the radio frequency signal;
the radio frequency transceiving link is used for converting a radio frequency signal and a millimeter wave signal;
the wave beam forming network is used for controlling the phase and the amplitude of the millimeter wave signals to obtain the millimeter wave signals of which the phases and the amplitudes meet the preset relationship;
the millimeter wave transceiving front end is used for carrying out low-noise amplification on signals received by the antenna; amplifying the power of the signal of the transmitting link; the millimeter wave transceiving front end is of a brick structure;
and the array antenna is used for receiving and transmitting millimeter wave signals.
Optionally, the millimeter wave transceiving front end includes 8 transceiving channels, and the beamforming network includes 8 millimeter wave signals corresponding to the 8 transceiving channels.
Optionally, the array antenna includes a plurality of antenna element sub-units, and each antenna element sub-unit corresponds to one millimeter wave transceiving channel.
Optionally, the antenna array sub-units are assembled in different areas according to different polarization directions.
Optionally, the beamforming network includes: the multi-path power division network, the phase shifter and the attenuator.
Optionally, the millimeter wave transceiver front end includes: a low noise amplifier of the receive path and a power amplifier of the transmit path.
Optionally, the method further comprises:
the control unit MCU is used for configuring and controlling circuits of all parts in the equipment, scheduling system tasks and communicating with an external interface;
the clock system is used for generating various synchronous clock signals required by all sequential logic circuits in the equipment;
and a power supply system for converting a power supply externally supplied to the device into various voltages required by circuit components within the device.
Optionally, the digital intermediate frequency link is disposed on a digital circuit board, the radio frequency transceiving link is disposed on a radio frequency circuit board, and the beamforming network and the millimeter wave transceiving front end are disposed on a millimeter wave beamforming front end module.
Optionally, the radio frequency circuit board and the millimeter wave-controlled front end module are connected by a compact coaxial transmission line.
Optionally, the array antenna is a microstrip patch antenna.
The millimeter wave transceiver of the embodiment of the invention comprises: the digital intermediate frequency link is used for converting the baseband digital signal and the radio frequency signal; the radio frequency transceiving link is used for converting a radio frequency signal and a millimeter wave signal; the wave beam forming network is used for controlling the phase and the amplitude of the millimeter wave signals to obtain the millimeter wave signals of which the phases and the amplitudes meet the preset relationship; the millimeter wave transceiving front end is used for carrying out low-noise amplification on signals received by the antenna; amplifying the power of the signal of the transmitting link; the millimeter wave transceiving front end is of a brick structure; an array antenna for receiving and transmitting millimeter wave signals; the high transmitting power of millimeter waves is realized through the brick type millimeter wave transmitting and receiving front end, the electromagnetic compatibility of the millimeter wave transceiver is improved, the millimeter wave transceiver has a good shielding effect, the integration level of equipment is improved, the structure is compact, and the extension is easy.
Drawings
Fig. 1 is a schematic functional structure diagram of a millimeter wave transceiver according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional diagram of a hardware structure of a millimeter wave transceiver according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a millimeter wave front end according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a region arrangement of an antenna array subunit according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a region arrangement of antenna array sub-units according to a second embodiment of the present invention.
Wherein the reference numerals are: 301-main body structure of equipment case, 302-digital circuit board and radio frequency circuit board, 303-millimeter wave control front end, 304-coaxial connection transmission line, 305-array antenna, 306-wave transparent protective cover of equipment case, 401-end surface of antenna interface, 402-power supply and control connection interface, and 403-radio frequency signal connection interface.
The objects, features, and advantages described herein will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer and more obvious, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not restrictive.
Example one
As shown in fig. 1, in the present embodiment, a millimeter wave transceiver includes:
the digital intermediate frequency link is used for converting the baseband digital signal and the radio frequency signal;
the radio frequency transceiving link is used for converting a radio frequency signal and a millimeter wave signal;
the wave beam forming network is used for controlling the phase and the amplitude of the millimeter wave signals to obtain the millimeter wave signals of which the phases and the amplitudes meet the preset relationship;
the millimeter wave transceiving front end is used for carrying out low-noise amplification on signals received by the antenna; amplifying the power of the signal of the transmitting link; the millimeter wave transceiving front end is of a brick structure;
and the array antenna is used for receiving and transmitting millimeter wave signals.
In the embodiment, high transmitting power of millimeter waves is realized through the brick-type millimeter wave transmitting and receiving front end, the electromagnetic compatibility of the millimeter wave transceiver is improved, a good shielding effect is achieved, the integration level of equipment is improved, the structure is compact, and the expansion is easy.
In this embodiment, the millimeter wave transceiver device is suitable for application in a 5G millimeter wave band, may be used for a Radio Remote Unit (RRU) device in a base station, and is also suitable for millimeter wave point-to-point and point-to-multipoint communication applications.
In this embodiment, the beamforming network and the millimeter wave transceiver front-end circuit operating in the millimeter wave frequency band are designed according to a "brick-and-block" structure. A 'brick' is a basic millimeter wave transceiving front end. The brick-type millimeter wave transceiving front-end structure not only considers the electromagnetic compatibility characteristic and is beneficial to realizing good shielding effect, but also can be conveniently assembled and exchanged. When the structure enables a plurality of modules to be assembled together, all electronic components are actually distributed in a three-dimensional space, the structure is suitable for the requirement of small size of a circuit under a millimeter wave application scene, the design of high density and high integration level is facilitated, and the structure can realize a better heat dissipation mode and is suitable for an application scene with larger transmitting power.
In this embodiment, the digital if link: the digital up-conversion, digital down-conversion, digital-to-analog conversion, analog-to-digital conversion, intermediate frequency filtering, gain control and other circuits are mainly included, and conversion between baseband digital signals and radio frequency signals is achieved in the receiving and transmitting signal transmission directions.
In this embodiment, the rf transceiving link: the device mainly comprises an up-converter, a down-converter, an intermediate frequency filter, a gain control amplifier and other circuits, and realizes conversion between radio frequency signals and millimeter wave signals in two signal transmission directions of receiving and transmitting.
In this embodiment, the beamforming network includes: the multi-path power division network, the phase shifter and the attenuator obtain signals of which the multi-path phases and amplitudes meet a specific relation through the accurate control of the phases and amplitudes of the signals, and realize the beam forming function.
In this embodiment, the millimeter wave transceiver front end includes: the low noise amplifier of the receiving channel and the power amplifier of the transmitting channel amplify the signals received by the antenna with low noise; and amplifying the power of the signal of the transmitting link, outputting the signal to an antenna and then radiating the signal.
As shown in fig. 1, in this embodiment, the millimeter wave transceiver further includes:
the control unit MCU is used for configuring and controlling circuits of all parts in the equipment, scheduling system tasks and communicating with an external interface;
the clock system is used for generating various synchronous clock signals required by all sequential logic circuits in the equipment;
and a power supply system for converting a power supply externally supplied to the device into various voltages required by circuit components within the device.
As shown in fig. 2, which is a schematic cross-sectional diagram of a hardware structure of a millimeter wave transceiver, from a viewpoint of the hardware structure, the transceiver includes: in the embodiment, the digital intermediate frequency link is arranged on the digital circuit board, the radio frequency transceiving link is arranged on the radio frequency circuit board, and the beam forming network and the millimeter wave transceiving front end are arranged on the millimeter wave beamforming front end module.
As shown in fig. 2, the digital circuit board, the radio frequency circuit board, the power board, and other circuit components in the non-millimeter wave operating frequency band, such as the digital interface and the power interface, are integrally assembled in the main structure of the device chassis.
In this embodiment, a schematic structural diagram of the millimeter wave front end is shown in fig. 3, which is a "brick-type" structure. The component works in a millimeter wave frequency band and comprises a beam forming network and a millimeter wave transmitting and receiving front end. Each wave control circuit unit comprises a plurality of transceiving shaping channels, and the number of the channels of the wave control unit can be expanded or reduced according to the requirements of wave beam shaping during design. In this embodiment, each wave-controlled front-end module includes 8 millimeter wave transceiving shaping channels, which can also be seen from the antenna interfaces labeled in fig. 3, where 8 antenna interfaces are arranged side by side on the end face of the antenna interface. The power supply and control connection interface and the radio frequency signal connection interface of the millimeter wave transceiving front end and the radio frequency circuit are also schematically marked in the figure.
In this embodiment, the millimeter wave transceiving front end includes 8 transceiving channels, and the beamforming network includes 8 millimeter wave signals corresponding to the 8 transceiving channels.
In this embodiment, the array antenna includes a plurality of antenna element sub-units, and each antenna element sub-unit corresponds to one millimeter wave transceiving channel.
In the device implemented in this embodiment, a total of 8 such modules are assembled side by side to form 64 independently controllable millimeter wave transceiving channels, corresponding to 64 antenna array sub-units.
In this embodiment, the millimeter wave signal interconnection between the millimeter wave front end and the radio frequency circuit is realized by a compact coaxial transmission line; the wave control front end is connected with a power supply, a control signal and the like between the radio frequency circuit through a high-density golden finger socket or a high-density multi-core socket. During actual assembly, millimeter wave signals and electric interconnection between the wave control front-end module and the radio frequency circuit module are all installed in a blind assembly mode. In order to ensure the success of blind assembly, auxiliary devices such as a positioning pin, a guide rail and the like are structurally designed.
In this embodiment, the array antenna is a microstrip patch antenna and is directly connected to a signal channel interface of a wave-controlled front-end circuit board, so that the physical size is reduced, the transmission path loss is reduced to the minimum extent, and the integration level of the device is improved.
In this embodiment, the antenna array sub-units are assembled in different areas according to different polarization directions.
As shown in fig. 4, the schematic diagram of the area arrangement of the antenna array sub-unit is shown, the array antenna includes 64 antenna array sub-units in total, which correspond to 64 independent transceiving channels. The area 1 on the left is provided with 32 antenna array subunits, the polarization direction of the antenna array subunits is vertical, and the antenna array subunits correspond to 4 millimeter wave control front ends which are arranged side by side; the area 2 on the right is also provided with 32 antenna array subunits, the polarization direction of which is horizontal polarization and corresponds to 4 millimeter wave control front ends which are arranged side by side. The function of transmitting and receiving electromagnetic wave signals in different polarization directions can be realized only by changing the antenna part of the millimeter wave control front end.
Example two
As shown in fig. 5, the schematic diagram of the area arrangement of the antenna array sub-unit is shown, the array antenna includes 64 antenna array sub-units in total, which correspond to 64 independent transceiving channels. The working frequency ranges of the antenna array subunits in the left region 1 and the region 3 and the corresponding millimeter wave control front ends are 26 GHz; the 16 antenna array sub-elements in the area 1 are vertically polarized, and the 16 antenna array sub-elements in the area 3 are horizontally polarized. The two regions correspond to 4 millimeter wave-controlled front ends placed side by side.
The working frequency ranges of the antenna array subunits in the right region 2 and the region 4 and the corresponding millimeter wave control front ends are 39 GHz; the 16 antenna element sub-units in the area 2 are horizontally polarized, and the 16 antenna element sub-units in the area 4 are vertically polarized. The two regions correspond to 4 millimeter wave-controlled front ends placed side by side.
Therefore, by configuring the millimeter wave control front end, the transceiver device capable of simultaneously transceiving signals of different frequency bands and different polarization modes can be realized without specially changing other parts. In the present embodiment, the signal transmission/reception functions of both vertical and horizontal polarization modes are realized at 26GHz and 39 GHz.
It will be understood by those of ordinary skill in the art that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof.
In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
The preferred embodiments of the present invention have been described above with reference to the accompanying drawings, and are not to be construed as limiting the scope of the invention. Any modifications, equivalents and improvements which may occur to those skilled in the art without departing from the scope and spirit of the present invention are intended to be within the scope of the claims.
Claims (10)
1. A millimeter-wave transceiver, comprising:
the digital intermediate frequency link is used for converting the baseband digital signal and the radio frequency signal;
the radio frequency transceiving link is used for converting a radio frequency signal and a millimeter wave signal;
the wave beam forming network is used for controlling the phase and the amplitude of the millimeter wave signals to obtain the millimeter wave signals of which the phases and the amplitudes meet the preset relationship;
the millimeter wave transceiving front end is used for carrying out low-noise amplification on signals received by the antenna; amplifying the power of the signal of the transmitting link; the millimeter wave transceiving front end is of a brick structure;
and the array antenna is used for receiving and transmitting millimeter wave signals.
2. The millimeter-wave transceiver according to claim 1, wherein the millimeter-wave transceiver front end comprises 8 transceiver channels, and the beamforming network comprises 8 millimeter-wave signals corresponding to the 8 transceiver channels.
3. A millimeter wave transceiver according to claim 2, wherein the array antenna comprises a plurality of antenna element sub-elements, each of the antenna element sub-elements corresponding to a millimeter wave transceiving channel.
4. A millimeter wave transceiver according to claim 3, wherein the antenna array sub-elements are assembled in different regions according to different polarization directions.
5. A millimeter wave transceiver according to claim 1, wherein the beamforming network comprises: the multi-path power division network, the phase shifter and the attenuator.
6. The millimeter-wave transceiver according to claim 1, wherein the millimeter-wave transceiver front-end comprises: a low noise amplifier of the receive path and a power amplifier of the transmit path.
7. A millimeter-wave transceiver according to claim 1, further comprising:
the control unit MCU is used for configuring and controlling circuits of all parts in the equipment, scheduling system tasks and communicating with an external interface;
the clock system is used for generating various synchronous clock signals required by all sequential logic circuits in the equipment;
and a power supply system for converting a power supply externally supplied to the device into various voltages required by circuit components within the device.
8. The millimeter wave transceiver according to claim 1, wherein the digital if link is disposed on a digital circuit board, the rf transceiving link is disposed on a rf circuit board, and the beamforming network and the millimeter wave transceiving front end are disposed on a millimeter wave beamforming front end module.
9. The millimeter-wave transceiver of claim 8, wherein the radio-frequency circuit board and the millimeter-wave front-end module are connected by a compact coaxial transmission line.
10. A millimeter wave transceiver according to claim 1, wherein the array antenna is a microstrip patch antenna.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810697017.5A CN110661558B (en) | 2018-06-29 | 2018-06-29 | Millimeter wave transceiver |
| PCT/CN2019/090726 WO2020001268A1 (en) | 2018-06-29 | 2019-06-11 | Millimeter wave transceiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810697017.5A CN110661558B (en) | 2018-06-29 | 2018-06-29 | Millimeter wave transceiver |
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| Publication Number | Publication Date |
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| CN110661558A true CN110661558A (en) | 2020-01-07 |
| CN110661558B CN110661558B (en) | 2022-07-08 |
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| CN201810697017.5A Active CN110661558B (en) | 2018-06-29 | 2018-06-29 | Millimeter wave transceiver |
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| WO (1) | WO2020001268A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112787684A (en) * | 2021-01-22 | 2021-05-11 | 苏州硕贝德创新技术研究有限公司 | Front-end module for 5G millimeter wave and 5G millimeter wave communication system |
| WO2021142889A1 (en) * | 2020-01-17 | 2021-07-22 | 惠州Tcl移动通信有限公司 | Antenna apparatus and terminal device |
| WO2024021609A1 (en) * | 2022-07-27 | 2024-02-01 | 中兴通讯股份有限公司 | Millimeter wave transmitter and receiver apparatus and communication system |
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| CN114759940B (en) * | 2022-04-11 | 2023-04-11 | 无锡华睿芯微电子科技有限公司 | Front-end equipment for multichannel receiving and transmitting of X-band radio-frequency signals |
| CN115549721A (en) * | 2022-10-10 | 2022-12-30 | 航天科工微电子系统研究院有限公司 | Miniaturized data chain radio frequency front end receiving and transmitting assembly and design method thereof |
| CN115801144B (en) * | 2022-12-30 | 2023-04-28 | 成都富元辰科技有限公司 | Passive reconnaissance system |
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Also Published As
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| WO2020001268A1 (en) | 2020-01-02 |
| CN110661558B (en) | 2022-07-08 |
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