WO2014005304A1 - 微波通信设备和微波通信系统 - Google Patents
微波通信设备和微波通信系统 Download PDFInfo
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- WO2014005304A1 WO2014005304A1 PCT/CN2012/078183 CN2012078183W WO2014005304A1 WO 2014005304 A1 WO2014005304 A1 WO 2014005304A1 CN 2012078183 W CN2012078183 W CN 2012078183W WO 2014005304 A1 WO2014005304 A1 WO 2014005304A1
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- Prior art keywords
- conversion module
- microwave
- communication device
- microwave communication
- waveguide
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- 238000004891 communication Methods 0.000 title claims abstract description 178
- 238000006243 chemical reaction Methods 0.000 claims abstract description 169
- 230000010287 polarization Effects 0.000 claims abstract description 91
- 230000015572 biosynthetic process Effects 0.000 claims abstract 2
- 238000000926 separation method Methods 0.000 claims abstract 2
- 238000003786 synthesis reaction Methods 0.000 claims abstract 2
- 230000005540 biological transmission Effects 0.000 abstract description 13
- 238000009434 installation Methods 0.000 abstract description 13
- 230000009977 dual effect Effects 0.000 abstract description 10
- 230000006870 function Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 9
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000002194 synthesizing effect Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000005388 cross polarization Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
- H04L1/0091—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location arrangements specific to receivers, e.g. format detection
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/16—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion
- H01P1/161—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion sustaining two independent orthogonal modes, e.g. orthomode transducer
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0028—Formatting
- H04L1/0031—Multiple signaling transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
Definitions
- Microwave communication equipment and microwave communication system are Microwave communication equipment and microwave communication system
- the present invention relates to the field of communications, and more particularly to microwave communication devices and microwave communication systems in the field of communications. Background technique
- a 1+1 hot backup method is usually selected. That is, for two sets of devices, the working frequency is the same, and only one set of devices works. When the device fails, it immediately switches to another set of backup devices, thereby ensuring communication reliability.
- the way 2+0, or Cross Polarization Interference Cancellation (XPIC).
- 2+0 mode means that two sets of devices work at the same time, and the working frequency is different, so that the transmission capacity of the system can be doubled compared with a single device or a single channel.
- XPIC method that is, the method of polarization diversity, means that two sets of devices work at the same time, and the working frequency is the same, but the two sets of devices use the same channel or inserted channel type cross-polarized frequency reuse mode to improve spectrum utilization. The rate, so that the system's transmission capacity can also be doubled.
- ODU Out Door Unit
- the current outdoor unit is a single channel.
- 2+0 mode or XPIC mode the system needs to have two ODUs.
- the system when applied in 2+0 mode, the system also needs to add an external combiner; when applied in XPIC mode, the system also needs to add an external orthogonal mode coupler (OrthoMode Transducer, the tube is called " OMT").
- OMT Orthogonal mode coupler
- the embodiments of the present invention provide a microwave communication device and a microwave communication system, which solve the technical problem that the current microwave communication device and the microwave communication system have inflexibility, and the installation cost is high.
- a microwave communication device comprising: a first conversion a module and a second conversion module, configured to perform a mutual conversion between the baseband signal or the intermediate frequency signal and the microwave signal, and the microwave signals received or outputted by the first conversion module and the second conversion module respectively have a first polarization direction and a second polarization direction, the first polarization direction being the same as or perpendicular to the second polarization direction; an orthogonal mode coupler for separating and synthesizing the orthogonally polarized microwave signals, the orthogonal mode coupler a first waveguide port, a second waveguide port, and a third waveguide port, wherein the polarization directions of the microwave signals received or outputted by the first waveguide port and the second waveguide port are perpendicular to each other; wherein the first waveguide port and the first waveguide port
- the first conversion module is connected, the second waveguide port is connected to the second conversion module, and the third waveguide port is connected to the antenna system.
- the operating frequency of the first conversion module and the second conversion module are the same, and the first polarization direction and the second polarization direction are perpendicular to each other.
- the microwave communications device further includes a waveguide switch for selectively in the first connected position and Converting between the second connected position and for polarization conversion of the microwave signal, so that when the waveguide switch is located at the first communication position, the waveguide switch connects the first conversion module with the first of the orthogonal mode coupler a waveguide port, and the received or outputted microwave signal has the first polarization direction; when the waveguide switch is located at the second communication position, the waveguide switch connects the second conversion module with the second of the orthogonal mode coupler The waveguide port, and the received or outputted microwave signal has a polarization direction that is perpendicular to the first polarization direction.
- the working frequency of the first conversion module and the second conversion module different.
- the working frequency of the first conversion module and the second conversion module when the waveguide switch is located at the second communication position, the working frequency of the first conversion module and the second conversion module the same.
- the first conversion module and the second conversion module comprise a transceiver unit And duplexer.
- the first conversion module and/or the second conversion module further includes an isolator.
- a microwave communication system comprising: a microwave communication device according to an embodiment of the invention; a feeder for connecting the microwave communication device to an indoor unit or a base station; and an antenna system for receiving And transmitting the microwave signal, and the antenna system is connected to the microwave communication device;
- the microwave communication device includes: a first conversion module and a second conversion module, configured to perform mutual conversion between the baseband signal or the intermediate frequency signal and the microwave signal, and The microwave signals received or outputted by the first conversion module and the second conversion module respectively have a first polarization direction and a second polarization direction, the first polarization direction being the same as or perpendicular to the second polarization direction; a mode coupling coupler for separating and synthesizing microwave signals of orthogonal polarization, the orthogonal mode coupler having a first waveguide port, a second waveguide port and a third waveguide port, the first waveguide port and the second waveguide port The polarization directions of the microwave signals received or outputted by the
- the microwave communication system further includes: a radio frequency cable, configured to connect the microwave communication device with the antenna system.
- the microwave communication device and the microwave communication system of the embodiments of the present invention can realize the dual-channel and integrated orthogonal mode coupler through the microwave communication device, thereby improving the flexibility of the device application and reducing the installation complexity. cut costs.
- FIG. 1 is a schematic block diagram of a microwave communication device in accordance with an embodiment of the present invention.
- FIG. 2 is a schematic diagram of an application scenario of a microwave communication device according to an embodiment of the present invention.
- FIG. 3 is another schematic block diagram of a microwave communication device in accordance with an embodiment of the present invention.
- 4A and 4B are schematic block diagrams of a first conversion module and a second conversion module, respectively, according to an embodiment of the present invention.
- 5A and 5B are respectively another schematic block diagrams of a first conversion module and a second conversion module according to an embodiment of the present invention.
- 6 is a schematic block diagram of a microwave communication system in accordance with an embodiment of the present invention.
- FIG. 7 is another schematic block diagram of a microwave communication system in accordance with an embodiment of the present invention. detailed description
- FIG. 1 shows a schematic block diagram of a microwave communication device 100 in accordance with an embodiment of the present invention.
- the microwave communication device 100 includes:
- the first conversion module 110 and the second conversion module 120 are used for mutual conversion between the baseband signal or the intermediate frequency signal and the microwave signal, and the microwave signals received or output by the first conversion module 110 and the second conversion module 120 are respectively Having a first polarization direction and a second polarization direction, the first polarization direction being the same as or perpendicular to the second polarization direction;
- the orthogonal mode coupler 130 is configured to separate and synthesize the orthogonally polarized microwave signals.
- the orthogonal mode coupler 130 has a first waveguide 131, a second waveguide 132, and a third waveguide 133.
- the first The polarization directions of the microwave signals received or outputted by the waveguide port 131 and the second waveguide port 132 are perpendicular to each other;
- the first waveguide port 131 is connected to the first conversion module 110, the second waveguide port 132 is connected to the second conversion module 120, and the third waveguide port 133 is connected to the antenna system 230.
- both the first conversion module 110 and the second conversion module 120 can be used to convert a baseband signal or an intermediate frequency signal into a microwave signal, and can convert the microwave signal into an intermediate frequency signal or a baseband signal, thereby
- the communication device 100 internally forms a dual channel; and the microwave signals received or output by the first conversion module 110 or the second conversion module 120 have a polarization direction, such as a horizontal polarization direction or a vertical polarization direction.
- the integration of the orthogonal mode coupler 130 within the microwave communication device 100 enables a microwave communication device to operate in a variety of ways, while increasing the transmission capacity of the system while also increasing the flexibility of the device application.
- the microwave communication device of the embodiment of the present invention realizes dual channel and integrated orthogonal mode coupler through the microwave communication device, can increase application flexibility while increasing transmission capacity, and can reduce installation complexity and reduce cost. .
- the microwave communication device 100 is an outdoor unit (outdoor unit, called "ODU"), and may also be a communication device including an ODU function, such as an integrated ODU function and a base station wireless.
- the microwave communication device 100 can be connected to a microwave indoor unit (Indoor Unit) or a base station 220 through a feeder 210 for transmitting an intermediate frequency signal or baseband from the IDU or the base station 220.
- the signal is converted into a microwave signal, or used to convert the microwave signal into an intermediate frequency signal or a baseband signal, and sent to the IDU or the base station 220;
- the feeder 210 is, for example, an intermediate frequency cable or a twisted pair cable.
- the microwave communication device 100 may be directly connected to the antenna system 230, or may be connected to the antenna system 230 through a radio frequency cable for converting the baseband signal or the intermediate frequency signal into a microwave signal and transmitting it to the antenna system 230, or for The microwave signal of the antenna system 230 is received and converted into an intermediate frequency signal or a baseband signal.
- the indoor unit or the base station may modulate the baseband signal from the user terminal, convert the baseband signal into an intermediate frequency signal, and transmit the intermediate frequency signal to the outdoor unit through the intermediate frequency cable; the outdoor unit converts the intermediate frequency signal into a microwave signal and Zoom in and send it out through the antenna system.
- the antenna system transmits the received microwave signal to the outdoor unit; the outdoor unit converts the microwave signal into an intermediate frequency signal, and transmits the intermediate frequency signal to the indoor unit or the base station through the intermediate frequency cable; the intermediate frequency signal is sent by the indoor unit or the base station Demodulation is performed to convert the intermediate frequency signal into a baseband signal and send it to the user terminal.
- the microwave communication device may also be another device having a baseband signal or a mutual conversion function between the intermediate frequency signal and the microwave signal, and a function of separating and synthesizing the microwave signals having orthogonal polarization.
- the embodiment of the present invention is described by taking an example that the microwave communication device is an ODU having a dual channel and integrating an OMT, but the present invention is not limited thereto.
- the microwave communication device is capable of flexibly operating in different ways, for example, operating in a 1+1 manner or in an XPIC manner, as will be described in more detail below.
- the microwave communication device 100 shown in FIG. 1 when the operating frequency points of the first conversion module 110 and the second conversion module 120 are the same, and the first polarization direction and the second polarization direction are perpendicular to each other,
- the microwave signals received or output by the conversion module 110 and the second conversion module 120 have polarization directions perpendicular to each other, for example, the first polarization direction is a horizontal direction, the second polarization direction is a vertical direction, or the first polarization The direction is the vertical direction, the second polarization direction is the horizontal direction, etc.; at this time, the chopping communication device 100 can operate in the XPIC mode or in the 1+1 mode.
- the microwave communication device 100 operates in the XPIC mode at this time.
- the operating frequency points of the first conversion module 110 and the second conversion module 120 may be controlled by a control signal, and the first conversion module 110 and the second conversion module 120 may be controlled by a control signal.
- the terms “first”, “second”, and “third” are merely used to distinguish different modules, units, interfaces, etc., and should not be construed as limiting the embodiments of the present invention.
- the first conversion module may also be referred to as a second conversion module
- the second conversion module may also be referred to as a first conversion module
- the first conversion module may be connected to the second waveguide port
- the second conversion module may also be The first waveguide port is connected or the like.
- FIG. 3 shows another schematic block diagram of a microwave communication device 100 in accordance with an embodiment of the present invention.
- the chopping communication device 100 further includes:
- a waveguide switch 140 for selectively switching between the first communication position A and the second communication position B and for polarization conversion of the microwave signal such that when the waveguide switch 140 is located at the first communication position A, The waveguide switch 140 is connected to the second conversion module 120 and the orthogonal mode coupler a first waveguide 131 of the 130, and the received or outputted microwave signal has the first polarization direction; when the waveguide switch 140 is located at the second communication position B, the waveguide switch 140 is connected to the second conversion module 120
- the second waveguide port 132 of the orthogonal mode coupler 130, and the received or outputted microwave signal has a polarization direction perpendicular to the first polarization direction.
- the microwave communication device 100 includes: a first conversion module 110, a second conversion module 120, an orthogonal mode coupler 130, and a waveguide switch 140;
- the orthogonal mode coupler 130 includes a first waveguide The port 131, the second waveguide 132 and the third waveguide 133, the polarization directions of the microwave signals received or outputted by the first waveguide 131 and the second waveguide 132 are perpendicular to each other, wherein the first conversion module 110 and the The first waveguide port 131 is connected, the second conversion module 120 is connected to the first waveguide port 131 or the second waveguide port 132 through the waveguide switch 140, the antenna system 230 is connected to the third waveguide port 133, and the first conversion module The 110 and second conversion modules 120 are coupled to the indoor unit or base station 220 via a feeder 210.
- the waveguide switch 140 is capable of selectively communicating with the first waveguide port 131 or the second waveguide port 132 of the orthogonal mode coupler 130 such that the second conversion module 120 can selectively communicate with the first waveguide port 131 or the second waveguide Port 132. For example, as shown in FIG. 3, when the waveguide switch 140 is placed in the first communication position A, the waveguide switch 140 is connected to the first waveguide port 131.
- the microwave signal received or outputted by the waveguide switch 140 has the first a polarization direction, and the first conversion module 110 and the second conversion module 120 are both in communication with the first waveguide 131; when the waveguide switch 140 is placed in the second communication position B, the waveguide switch 140 is connected to the second waveguide 132, The microwave signal received or outputted by the waveguide switch 140 has a polarization direction perpendicular to the first polarization direction, in particular, when the first polarization direction and the second polarization direction are perpendicular to each other, the pole The second conversion module is in communication with the first waveguide 131, and the second conversion module 120 is in communication with the second waveguide 132.
- the microwave communication device 100 can be flexibly and in different ways, by changing the communication position of the waveguide switch 140 and controlling the operating frequency of the first conversion module 110 and the second conversion module 120.
- Work for example, works in a 1+1 manner, works in a 2+0 manner, or works in an XPIC manner, as described in more detail below.
- the waveguide switch 140 has a function of changing the polarization direction of the signal transmitted by the second conversion module 120, so that when the waveguide switch 140 is in communication with the first waveguide port 131, the transmitted signal has the first A polarization direction; and when the waveguide switch 140 is in communication with the second waveguide 132, the transmitted signal has a polarization direction perpendicular to the first polarization direction.
- the waveguide switch 140 when the waveguide switch 140 is placed in the A position, the second conversion module 120 is in communication with the first waveguide 131 via the waveguide switch 140, and at this time, the polarization direction of the signal transmitted through the waveguide switch 140.
- the waveguide switch 140 when the waveguide switch 140 is placed at the B position, the second conversion module 120 is in communication with the second waveguide 132 via the waveguide switch 140. At this time, the polarization direction of the signal transmitted through the waveguide switch 140 is The first polarization direction is vertical.
- the waveguide switch 140 when the waveguide switch 140 is placed at the A position, that is, when the waveguide switch 140 is connected to the second conversion module 120 and the first waveguide port 131, the first conversion module 110 and the second conversion module 120 are both A waveguide port 131 is in communication.
- the waveguide switch 140 When the waveguide switch 140 is in the A position, the waveguide switch 140 and the microwave signal received or output by the first conversion module 110 have the same polarization direction, and are all in the first polarization direction. Therefore, the first conversion module 110 and the The microwave signals received or output by the second conversion module 120 may have the same first polarization direction and second polarization direction, respectively, or may be perpendicular to each other.
- the microwave communication device 100 can be operated in a 1+1 hot backup mode. That is, only one channel of the microwave communication device 100 operates, and the other working channel is in a silent state, for example, the first conversion module 110 channel works, the second conversion module 120 channel is in a silent state, or the second conversion module 120 channel operates, the first conversion The module 110 channel is in a silent state; when the working channel fails, the other channel works, thereby improving the reliability of communication.
- the microwave communication device 100 can be operated in a 2+0 manner. That is, both channels of the microwave communication device 100 operate and have different operating frequencies, so that the transmission capacity of the system can be doubled compared to a single device or a single channel.
- the waveguide switch 140 when the waveguide switch 140 is placed in the A position, the waveguide switch 140 is in communication with the first waveguide port 131. At this time, the signal transmitted by the first conversion module 110 and the signal transmitted by the waveguide switch 140 may be combined before entering the first waveguide 131 of the OMT 130, or may be combined in the OMT 130 after entering the OMT 130.
- the embodiments of the present invention are not limited thereto.
- the waveguide switch 140 when the waveguide switch 140 is placed at the B position, that is, when the waveguide switch 140 is connected to the second conversion module 120 and the second waveguide 132, the first conversion module 110 is connected to the first waveguide 131, The two conversion module 120 is in communication with the second waveguide port 132.
- the operating frequency points of the first conversion module 110 and the second conversion module 120 are set to be the same, and the first rotation is made
- the switching module 110 and the second conversion module 120 work simultaneously, that is, the two channels of the microwave communication device 100 operate simultaneously, so that the microwave communication device 100 can operate in an XPIC manner; if the first conversion module 110 and the second The operating frequency of the conversion module 120 is set to be the same, and only one of the channels of the microwave communication device 100 is operated, so that the microwave communication device 100 can operate in a 1+1 manner, thereby improving transmission capacity and enabling microwave communication. Flexibility and convenience of device application.
- the waveguide switch 140 when the waveguide switch 140 is placed in the A position or the B position, regardless of the manner in which the chopper communication device 100 operates, such as the 1+1 mode, the 2+0 mode, or the XPIC mode, since the waveguide switch 140 can
- the polarization directions of the signals transmitted by the second conversion module 120 are changed, and the first polarization module and the second polarization direction respectively received by the first conversion module 110 and the second conversion module 120 may have the same polarization direction and second polarization direction. They may also be perpendicular to each other, and the present invention is not limited thereto.
- the microwave communication device of the embodiment of the present invention realizes dual channel and integrated orthogonal mode coupler through the microwave communication device, so that a dual channel ODU can realize 1+1 hot backup mode and 2+0 mode. Or XPIC mode, which can increase application flexibility or increase transmission reliability while increasing application flexibility and reducing installation complexity and cost.
- the first conversion module 110 includes a transceiver unit 111 and a duplexer 112
- the second conversion module 120 includes a transceiver unit 121 and duplex. 122.
- the first conversion module 110 or the second conversion module 120 has two channels, which are respectively a receiving channel and a transmitting channel, wherein the transceiver unit 111 or 121 is configured to perform baseband signals or in the receiving channel and the transmitting channel.
- the mutual conversion between the intermediate frequency signal and the microwave signal; the duplexer 112 or 122 is used to isolate the transmitted signal from the received signal to ensure that both the receiving channel and the transmitting channel can work normally at the same time.
- the first conversion module 110 further includes an isolator 113
- the second conversion module 120 further includes an isolator 123.
- the isolator 113 or 123 may also be referred to as a "one-way device" for preventing signals from being reflected from one channel to another channel; for example, preventing the signal output by the first conversion module 110 from entering the second The channel in which the conversion module 120 is located.
- the microwave communication device 100 may further include other modules or devices, and the embodiments of the present invention are not limited thereto.
- the microwave communication device 100 further includes a power module to power the microwave communication device 100; for example, the microwave communication device 100 may further include a control module to control the communication position of the waveguide switch 140.
- the microwave communication device 100 can integrate a control circuit currently used to control the waveguide switch to control the waveguide switch 140, and the control circuit can be controlled by a trigger signal according to corresponding requirements; of course, the microwave communication device 100 includes The control module can also control the waveguide switch 140 in other manners, and the embodiment of the present invention is not limited thereto.
- the control module may also control whether the first conversion module 110 and the second conversion module 120 work, operate, or combine any one or a combination of the polarization directions of the signals.
- the microwave communication device 100 may be provided with a central processing unit (CPU) and a memory, and the preset configuration program is stored in the memory, and the CPU may perform control by executing the configuration program; of course, the microwave communication device 100 may also adopt Other methods perform corresponding control, for example, whether to control whether to operate by a control command, a working frequency point, or a polarization direction of a signal, etc. according to requirements, and the embodiment of the present invention is not limited thereto.
- the microwave communication device of the embodiment of the present invention realizes dual channel and integrated orthogonal mode coupler through a single microwave communication device, which can increase application flexibility while increasing transmission capacity, and can reduce installation complexity and reduce cost.
- the embodiment of the present invention further provides a microwave communication system.
- the microwave communication system 500 according to the embodiment of the present invention includes:
- Microwave communication device 510
- a feeder 520 configured to connect the microwave communication device 510 to an indoor unit or a base station, an antenna system 530, configured to receive and transmit a microwave signal, and the antenna system 530 is coupled to the microwave communication device 510;
- the microwave communication device 510 includes:
- the first conversion module and the second conversion module are used for mutual conversion between the baseband signal or the intermediate frequency signal and the microwave signal, and the microwave signals received or outputted by the first conversion module and the second conversion module respectively have a first pole a direction of polarization and a second polarization direction, the first polarization direction and the second polarization are the same as Jl;
- a quadrature mode coupler for separating and synthesizing microwave signals of orthogonal polarization
- the orthogonal mode coupler having a first waveguide port, a second waveguide port and a third waveguide port, the first waveguide port and the first waveguide port Two waveguide
- the polarization directions of the microwave signals received or output by the port are perpendicular to each other;
- the first waveguide port is connected to the first conversion module
- the second waveguide port is connected to the second conversion module
- the third waveguide port is connected to the antenna system.
- the microwave communication system of the embodiment of the present invention realizes dual channel and integrated orthogonal mode coupler through the microwave communication device, so that a microwave communication device with dual channels can realize 1+1 hot backup mode, 2+0
- the way of working in the XPIC mode can increase application flexibility and increase transmission reliability while reducing application complexity and reducing costs.
- the chopping communication system 500 further includes: a radio frequency cable 550 for connecting the microwave communication device 510 and the antenna system 540. That is, the microwave communication device 510 is coupled to the antenna system 540 via the RF cable 550.
- the operating frequency points of the first conversion module and the second conversion module included in the microwave communication device 510 may be set to be the same, and the first polarization direction and the second polarization direction are mutually Vertical, so that the chopping communication system 500 operates in a 1+1 or XPIC manner.
- the microwave communication device 510 further includes: a waveguide switch, configured to selectively switch between the first communication position and the second communication position, and used for polarization conversion of the microwave signal, So that when the waveguide switch is in the first communication position, the waveguide switch connects the second conversion module with the first waveguide of the orthogonal mode coupler, and the received or outputted microwave signal has the first polarization a direction switch; when the waveguide switch is located at the second communication position, the waveguide switch connects the second conversion module and the second waveguide of the orthogonal mode coupler, and the received or outputted microwave signal has a polarization direction The first polarization direction is vertical.
- a waveguide switch configured to selectively switch between the first communication position and the second communication position, and used for polarization conversion of the microwave signal
- the microwave communication system 500 can flexibly work in different manners by changing the communication position of the waveguide switch and controlling the operating frequency points of the first conversion module and the second conversion module, for example, 1+ Mode 1 works, 2+0 works or works in XPIC mode, which will be described in detail below.
- the operating frequency of the first conversion module and the second conversion module are the same, so that the microwave communication system 500 can operate in a 1+1 manner.
- the operating frequency of the first conversion module and the second conversion module are different, so that the microwave communication system 500 can operate in a 2+0 manner.
- the first conversion module and the second conversion module have the same operating frequency point, so that the microwave communication system 500 can operate in a 1+1 or XPIC manner.
- the first conversion module and the second conversion module of the microwave communication device 510 comprise a transceiver unit and a duplexer.
- the first conversion module and/or the second conversion module of the microwave communication device 510 further includes an isolator.
- the microwave communication device is an outdoor unit.
- the microwave communication system 500 may further include other modules or devices, and the embodiments of the present invention are not limited thereto.
- the microwave communication system 500 further includes a power module to supply power to the microwave communication system 500;
- the microwave communication system 500 may further include a control module to control a communication position of the waveguide switch, the first conversion module, and the second conversion module. Whether it works and the frequency of its work, the polarization direction of the signal, etc.
- microwave communication device 510 may correspond to the microwave communication device 100 in the embodiment of the present invention.
- the microwave communication system of the embodiment of the present invention can realize the dual-channel and integrated orthogonal mode coupler through the microwave communication device, can increase the transmission capacity, improve the application flexibility, and can reduce the installation complexity and reduce the cost. .
- the disclosed systems, devices, and methods may be implemented in other ways.
- the device embodiments described above are merely illustrative.
- the division of the unit is only a logical function division.
- there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not executed.
- the coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interface, device or unit, or an electrical, mechanical or other form of connection.
- the components displayed for the unit may or may not be physical units, ie may be located in one place, or may be distributed over multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the embodiments of the present invention.
- each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
- the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
- the technical solution of the present invention contributes in essence or to the prior art, or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium.
- a number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
- the foregoing storage medium includes: a U disk, a removable hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes. .
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Abstract
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Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2015103521/28A RU2596632C2 (ru) | 2012-07-04 | 2012-07-04 | Устройство свч-связи и система свч-связи |
CN201280031466.7A CN103703609B (zh) | 2012-07-04 | 2012-07-04 | 微波通信设备和微波通信系统 |
EP12880339.2A EP2858168B1 (en) | 2012-07-04 | 2012-07-04 | Microwave communication device and microwave communication system |
PCT/CN2012/078183 WO2014005304A1 (zh) | 2012-07-04 | 2012-07-04 | 微波通信设备和微波通信系统 |
US14/584,269 US9209939B2 (en) | 2012-07-04 | 2014-12-29 | Microwave communications device and microwave communications system |
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CN105161811A (zh) * | 2015-08-24 | 2015-12-16 | 江苏贝孚德通讯科技股份有限公司 | 一种波导极化复用前端组件 |
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CN105072590B (zh) * | 2015-09-09 | 2019-03-19 | 武汉虹信通信技术有限责任公司 | 一种点到多点微波通信系统中多用户频点联动方法及系统 |
CN109981189B (zh) * | 2019-03-13 | 2021-08-31 | 波达通信设备(广州)有限公司 | 故障检测电路及方法 |
US11671162B1 (en) * | 2020-04-14 | 2023-06-06 | Space Exploration Technologies Corp. | Cross-polarization interference compensation |
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EP2858168A1 (en) | 2015-04-08 |
US20150117572A1 (en) | 2015-04-30 |
CN103703609B (zh) | 2015-09-09 |
RU2015103521A (ru) | 2016-08-27 |
EP2858168B1 (en) | 2016-11-02 |
US9209939B2 (en) | 2015-12-08 |
EP2858168A4 (en) | 2015-07-15 |
CN103703609A (zh) | 2014-04-02 |
RU2596632C2 (ru) | 2016-09-10 |
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