CN213989224U - Active 5G-iLAN antenna and active 5G-iLAN antenna system - Google Patents
Active 5G-iLAN antenna and active 5G-iLAN antenna system Download PDFInfo
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Abstract
The utility model provides an active 5G-iLAN antenna and active 5G-iLAN antenna system, include: the signal coupler is used for coupling the received radio frequency signal transmitted by the radio frequency remote unit; the signal control unit is connected with the signal coupler and is used for carrying out signal processing on the coupled radio frequency signal to obtain a TDD synchronous control signal; the radio frequency amplification assembly is connected with the signal control unit, the TDD switch in the radio frequency amplification assembly is controlled to switch the uplink radio frequency channel and the downlink radio frequency channel according to the TDD synchronous control signal, when the TDD switch is switched to the uplink radio frequency channel, the synthesized uplink radio frequency signal enters the LAN low noise amplifier, the LAN low noise amplifier amplifies the synthesized uplink radio frequency signal, and then the amplified uplink radio frequency signal is transmitted to the radio frequency remote unit. The utility model discloses an active 5G-iLAN antenna can enlarge synthetic uplink radio frequency signal, has improved the coverage of uplink.
Description
Technical Field
The utility model belongs to the technical field of the technique of communication and specifically relates to an active 5G-iLAN antenna and active 5G-iLAN antenna system are related to.
Background
In the construction of the 5G mobile communication network in china, operators adopt different wireless network deployment strategies for different application scenarios. For the dense urban core application scenario (which has high requirements on data traffic), an operator chooses to use a 64T/64R or 32T/32R active antenna for wireless coverage, but the 64T/64R or 32T/32R active antenna is expensive and consumes a lot of power; therefore, for a non-core network and a wide-coverage scenario (which has a low requirement on data traffic), operators mainly choose to use 8T/8R or 4T/4R passive antennas for coverage. The wireless networks deployed by the operators are collectively called as public networks, 5G is mainly in the era of Internet of things, each department of each enterprise can also deploy the wireless networks according to the application scene of the enterprise, and 8T/8R or 4T/4R passive antenna coverage schemes are mainly selected and adopted in the application fields of the 5G wireless private networks deployed by each department of each enterprise.
In the 8T/8R or 4T/4R passive antenna coverage scheme, there is an imbalance between uplink and downlink, because the power of the base station is higher than that of the communication device (e.g., a mobile phone), and then the coverage area (i.e., the coverage area of the downlink) in which the base station transmits its own power to the communication device is larger than that (i.e., the coverage area of the uplink) in which the communication device transmits its own power to the base station, so the coverage area of the uplink determines the coverage area of the communication network.
In summary, the 8T/8R or 4T/4R passive antenna in the existing chinese 5G mobile communication network has a serious uplink and downlink imbalance problem.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to provide an active 5G-iLAN antenna and an active 5G-iLAN antenna system, so as to alleviate the technical problem of uplink and downlink imbalance of an 8T/8R or 4T/4R passive antenna in the existing chinese 5G mobile communication network.
In a first aspect, the present invention provides an active 5G-iLAN antenna, comprising: the device comprises a signal coupler, a signal control unit, a radio frequency amplification component, a phase shifter and an array antenna;
the signal coupler is connected with the remote radio unit and is used for receiving the radio frequency signal transmitted by the remote radio unit and carrying out coupling processing on the radio frequency signal to obtain a coupled radio frequency signal;
the signal control unit is connected with the signal coupler and used for receiving the coupled radio frequency signal sent by the signal coupler and carrying out signal processing on the coupled radio frequency signal to obtain a TDD synchronous control signal;
the radio frequency amplification component is connected with the signal control unit and is used for controlling a TDD switch in the radio frequency amplification component to switch an uplink radio frequency channel and a downlink radio frequency channel according to the TDD synchronous control signal, when the TDD switch is switched to the uplink radio frequency channel, the synthesized uplink radio frequency signal of the array synthesized by the phase shifter or the synthesized uplink radio frequency signal of the radiation unit in the array antenna enters a LAN low noise amplifier, so that the LAN low noise amplifier amplifies the synthesized uplink radio frequency signal of the array or the synthesized uplink radio frequency signal of the radiation unit to obtain a first amplified uplink radio frequency signal or a second amplified uplink radio frequency signal, and then the first amplified uplink radio frequency signal is transmitted to the radio frequency remote unit through the coupler or the second amplified uplink radio frequency signal is transmitted to the radio frequency remote unit through the phase shifter and the coupler in sequence .
Further, the method also comprises the following steps: an antenna port;
the antenna port is respectively connected with the remote radio unit and the signal coupler and is used for transmitting the radio frequency signal transmitted by the remote radio unit to the signal coupler.
Further, the method also comprises the following steps: a power port;
the power supply port is connected with the signal control unit and used for supplying power to the signal control unit and the radio frequency amplification assembly.
Further, the power port adopts the AISG water joint.
Furthermore, the TDD synchronization control signal obtained by the signal control unit is sent to the radio frequency amplification component through a radio frequency coaxial cable.
Further, when the LAN low noise amplifier amplifies the synthesized uplink radio frequency signal of the array by the phase shifter, the TDD switch is a TDD high power radio frequency switch;
and under the condition that the LAN low noise amplifier amplifies the uplink radio frequency signal synthesized by the radiation unit, the TDD switch is a TDD low-power radio frequency switch.
Further, when the LAN low noise amplifier amplifies the synthesized uplink radio frequency signal of the array, the number of radio frequency amplification components of one path of signal is one;
when the LAN low noise amplifier amplifies the uplink radio frequency signal synthesized by the radiation unit, the number of radio frequency amplification components of one path of signal is multiple.
Furthermore, the active 5G-iLAN antenna is applied to China Unicom telecom 2.1G 4T/4R, 8T/8R multi-port antennas, China Unicom telecom 3.5G 4T/4R, 8T/8R multi-port antennas, China Unicom telecom 2.1G/3.5G 4T/4R dual-frequency multi-port antennas, China Mobile 2.6G 8T/8R multi-port antennas, China Mobile 4.9G 8T/8R multi-port antennas, China Mobile 2.6G/4.9G 4T/4R, 8T/8R dual-frequency multi-port antennas.
Further, the system also comprises a wireless communication module;
the wireless communication module is connected with the signal control unit, wherein the signal control unit is further used for acquiring the monitoring signal of the radio frequency amplification assembly so as to send the monitoring signal to a network management center through the wireless communication module.
In a second aspect, an embodiment of the present invention further provides an active 5G-iLAN antenna system, including the active 5G-iLAN antenna of any one of the above first aspects, further including: and the radio remote unit is connected with the active 5G-iLAN antenna.
In an embodiment of the present invention, an active 5G-iLAN antenna includes: the device comprises a signal coupler, a signal control unit, a radio frequency amplification component, a phase shifter and an array antenna; the signal coupler is connected with the remote radio unit and used for receiving the radio-frequency signals transmitted by the remote radio unit and carrying out coupling processing on the radio-frequency signals to obtain coupled radio-frequency signals; the signal control unit is connected with the signal coupler and used for receiving the coupled radio frequency signal sent by the signal coupler and carrying out signal processing on the coupled radio frequency signal to obtain a TDD synchronous control signal; the radio frequency amplification component is connected with the signal control unit and is used for controlling a TDD switch in the radio frequency amplification component to switch an uplink radio frequency channel and a downlink radio frequency channel according to a TDD synchronous control signal, wherein, when the TDD switch is switched to the uplink radio frequency channel, the synthesized uplink radio frequency signal of the array synthesized by the phase shifter or the synthesized uplink radio frequency signal of the radiation unit in the array antenna enters the LAN low noise amplifier, so that the LAN low-noise amplifier amplifies the synthesized uplink radio-frequency signal of the array or the synthesized uplink radio-frequency signal of the radiation unit to obtain a first amplified uplink radio-frequency signal or a second amplified uplink radio-frequency signal, and then the first amplified uplink radio frequency signal is transmitted to the remote radio unit through the coupler or the second amplified uplink radio frequency signal is transmitted to the remote radio unit through the phase shifter and the coupler in sequence. According to the above description, the active 5G-iLAN antenna of the present invention can amplify the synthesized uplink rf signal of the array or the synthesized uplink rf signal of the radiating element, and further improve the coverage of the uplink, thereby alleviating the technical problem of the imbalance of the uplink and the downlink of the 8T/8R or 4T/4R passive antenna in the existing chinese 5G mobile communication network.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of one channel of an 8T/8R centralized active 5G-iLAN antenna according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of one channel of an 8T/8R distributed active 5G-iLAN antenna according to an embodiment of the present invention.
Icon: 11-a signal coupler; 12-a signal control unit; 13-a radio frequency amplification component; 14-a phase shifter; 15-an array antenna; 16-antenna port; 17-a power port; 18-a feed network; 151-radiation unit.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
To facilitate understanding of the present embodiment, a detailed description will be given of an active 5G-iLAN antenna disclosed in the embodiments of the present invention.
The first embodiment is as follows:
fig. 1 is a schematic structural diagram of a channel of a centralized active 5G-iLAN antenna according to an embodiment of the present invention, and fig. 2 is a schematic structural diagram of a channel of a distributed active 5G-iLAN antenna according to an embodiment of the present invention, as shown in fig. 1 and fig. 2, the 5 active 5G-iLAN antenna includes: a signal coupler 11, a signal control unit 12, a radio frequency amplification component 13, a phase shifter 14 and an array antenna 15;
the signal coupler 11 is connected with the remote radio unit and is used for receiving a radio frequency signal transmitted by the remote radio unit and performing coupling processing on the radio frequency signal to obtain a coupled radio frequency signal;
the signal control unit 12 is connected to the signal coupler 11, and is configured to receive the coupled radio frequency signal sent by the signal coupler 11, and perform signal processing on the coupled radio frequency signal to obtain a TDD synchronization control signal;
the rf amplifying component 13 is connected to the signal control unit 12, and is configured to control the internal TDD switch to switch the uplink rf channel and the downlink rf channel according to the TDD synchronous control signal, wherein, when the TDD switch is switched to the uplink RF channel, the synthesized uplink RF signal of the array synthesized by the phase shifter 14 or the synthesized uplink RF signal of the radiation unit 151 in the array antenna 15 enters the LAN LNA, so that the LAN low-noise amplifier amplifies the synthesized uplink radio-frequency signal of the array or the synthesized uplink radio-frequency signal of the radiation unit to obtain a first amplified uplink radio-frequency signal or a second amplified uplink radio-frequency signal, and then the first amplified uplink radio frequency signal is transmitted to the remote radio unit through the coupler or the second amplified uplink radio frequency signal is transmitted to the remote radio unit through the phase shifter 14 and the coupler in sequence.
The two active 5G-iLAN antennas described above are described in detail below:
fig. 1 shows a schematic structure diagram of one channel (the structure of the other 7 channels is exactly the same as that here) of an 8T/8R (i.e. 8-way) centralized active 5G-iLAN antenna.
As shown in fig. 1, the active 5G-iLAN antenna further includes an antenna port 16, and the antenna port 16 (also called a synchronization control signal acquisition port, for an 8T/8R active 5G-iLAN antenna, there are 8 ports) is respectively connected to the remote radio unit (specifically, 8 rf output ports of the remote radio unit) and the signal coupler 11, and the following describes the operation process thereof: radio frequency signals transmitted by a radio remote unit (i.e., RRU) are transmitted to a signal coupler 11 through an antenna port 16, the signal coupler 11 couples the radio frequency signals to obtain coupled radio frequency signals, the signal coupler 11 transmits the coupled radio frequency signals to a signal control unit 12, and the signal control unit 12 performs signal processing (specifically including detection processing, signal processing, and the like) on the coupled radio frequency signals to obtain TDD synchronous control signals, the TDD synchronous control signals are transmitted to a radio frequency amplification component 13 through a radio frequency coaxial cable, a TDD high power radio frequency switch is arranged in the radio frequency amplification component 13, and the TDD high power radio frequency switch performs switching between an uplink radio frequency channel and a downlink radio frequency channel under the control of the TDD synchronous control signals.
When the TDD high power rf switch is switched to a downlink rf channel (i.e. in a downlink transmission timeslot), the rf signal transmitted by the rf remote unit is transmitted to the phase shifter 14 through the coupler and the rf amplifying component 13, and then enters each radiating unit 151 of the antenna array to be radiated to form an antenna directional coverage;
when the TDD high power rf switch is switched to the uplink rf channel (i.e. the uplink receiving timeslot), the TDD high power rf switch switches the synthesized uplink rf signal of the array synthesized by the phase shifter 14 to the LAN low noise amplifier, so that the LAN low noise amplifier amplifies the synthesized uplink rf signal of the array to obtain a first amplified uplink rf signal, and then the first amplified uplink rf signal is transmitted to the rf remote unit through the coupler.
It should be noted that the radio frequency signal is transmitted through a radio frequency cable.
In an alternative embodiment of the present invention, referring to fig. 1, the active 5G-iLAN antenna further comprises: a power supply port 17;
the power port 17 is connected to the signal control unit 12 and is used for supplying power to the signal control unit 12 and the radio frequency amplification assembly 13.
Specifically, the power port 17 adopts an AISG waterproof joint, and supports 2 power supply modes, that is, AISG daisy chain RRU power supply or power supply cabinet power supply, and a power signal obtained by the power port 17 passes through a lightning protection circuit and then is converted into a target power through the power circuit, and then supplies power to the signal control unit 12 and the radio frequency amplification component 13 through the target power. The power supply lines between the power port 17 and the signal control unit 12, and between the signal control unit 12 and the radio frequency amplification component 13 adopt radio frequency coaxial cables, so that the intermodulation performance index of the antenna can be ensured.
In addition, the active 5G-iLAN antenna further includes: a wireless communication module; the wireless communication module is connected to the signal control unit 12, wherein the signal control unit 12 is further configured to obtain a monitoring signal (transmitted through a radio frequency coaxial cable) of the radio frequency amplification component 13, so as to send the monitoring signal to a network management center through the wireless communication module.
Specifically, the monitoring signal may be a monitoring signal (carrying a working state, a gain, and the like of the LAN low noise amplifier) for monitoring the LAN low noise amplifier, and after the monitoring signal is sent to the network management center, the network management center may regulate and control the gain of the LAN low noise amplifier, or control the wireless coverage distance and range.
The utility model discloses an among the centralized active 5G-iLAN antenna, the radio frequency amplification subassembly 13 is leading to be arranged in and is moved 14 feed networks of looks ware, and the downlink input power of radio frequency amplification subassembly 13 is big (because this input power comes from RRU basic station), and the TDD switch need choose high power capacity product for use, and the price ratio is higher, and antenna feed network 18 does not have the change, guarantees that array antenna 15 radiation pattern does not change. If the LAN low noise amplifier fails, the centralized active 5G-iLAN antenna can still work normally, and the coverage performance does not change significantly compared with the passive 5G antenna.
Fig. 2 shows a schematic diagram of one channel (the structure of the other 7 channels is exactly the same as that here) of an 8T/8R (i.e. 8-way) distributed active 5G-iLAN antenna.
As shown in fig. 2, the active 5G-iLAN antenna further includes an antenna port 16, and the antenna port 16 (also called a synchronization control signal acquisition port, for an 8T/8R active 5G-iLAN antenna, there are 8 ports) is respectively connected to the remote radio unit (specifically, 8 rf output ports of the remote radio unit) and the signal coupler 11, and the following describes the operation process thereof: radio frequency signals transmitted by a radio remote unit (i.e., RRU) are transmitted to a signal coupler 11 through an antenna port 16, the signal coupler 11 couples the radio frequency signals to obtain coupled radio frequency signals, the signal coupler 11 transmits the coupled radio frequency signals to a signal control unit 12, and the signal control unit 12 performs signal processing (specifically including detection processing, signal processing, and the like) on the coupled radio frequency signals to obtain TDD synchronous control signals, the TDD synchronous control signals are transmitted to a radio frequency amplification component 13 through a radio frequency coaxial cable, a TDD low power radio frequency switch is arranged in the radio frequency amplification component 13, and the TDD low power radio frequency switch performs switching between an uplink radio frequency channel and a downlink radio frequency channel under the control of the TDD synchronous control signals.
When the TDD low power rf switch is switched to a downlink rf channel (i.e. in a downlink transmission timeslot), the rf signal transmitted by the remote rf unit is transmitted to each radiating unit 151 of the antenna array through the coupler, the phase shifter 14 and the rf amplifying assembly 13 to be radiated to form an antenna directional coverage;
when the TDD low-power rf switch is switched to the uplink rf channel (i.e. the uplink receiving timeslot), the TDD low-power rf switch switches the uplink rf signal synthesized by the radiation unit 151 in the array antenna 15 to the LAN low-noise amplifier, so that the LAN low-noise amplifier amplifies the uplink rf signal synthesized by the radiation unit 151 to obtain a second amplified uplink rf signal, and the second amplified uplink rf signal is transmitted to the rf remote unit through the phase shifter 14 and the coupler in sequence.
It should be noted that the radio frequency signal is transmitted through a radio frequency cable.
In an alternative embodiment of the present invention, referring to fig. 2, the active 5G-iLAN antenna further comprises: a power supply port 17;
the power port 17 is connected to the signal control unit 12 and is used for supplying power to the signal control unit 12 and the radio frequency amplification assembly 13.
Specifically, the power port 17 adopts an AISG waterproof joint, and supports 2 power supply modes, that is, AISG daisy chain RRU power supply or power supply cabinet power supply, and a power signal obtained by the power port 17 passes through a lightning protection circuit and then is converted into a target power through the power circuit, and then supplies power to the signal control unit 12 and the radio frequency amplification component 13 through the target power. The power supply lines between the power port 17 and the signal control unit 12, and between the signal control unit 12 and the radio frequency amplification component 13 adopt radio frequency coaxial cables, so that the intermodulation performance index of the antenna can be ensured.
In addition, the active 5G-iLAN antenna further includes: a wireless communication module; the wireless communication module is connected to the signal control unit 12, wherein the signal control unit 12 is further configured to obtain a monitoring signal (transmitted through a radio frequency coaxial cable) of the radio frequency amplification component 13, so as to send the monitoring signal to a network management center through the wireless communication module.
Specifically, the monitoring signal may be a monitoring signal (carrying a working state, a gain, and the like of the LAN low noise amplifier) for monitoring the LAN low noise amplifier, and after the monitoring signal is sent to the network management center, the network management center may regulate and control the gain of the LAN low noise amplifier, or control the wireless coverage distance and range.
The utility model discloses an among the active 5G-iLAN antenna of distributing type, radio frequency amplification subassembly 13 is arranged in radiating element 151 back, goes upward radio frequency signal to each group radiating element 151 synthesis and enlargies, has effectively restrained RRU to antenna radiating element 151's noise, goes upward the improvement of SNR and is superior to centralized active 5G-iLAN antenna.
In the distributed active 5G-iLAN antenna, the phase shifter 14 of the feed network 18 adopts a 5-path power division design, the downlink input power of the radio frequency amplification component 13 is reduced by more than 5 times, and the TDD switch can select a low-power product, so that the cost is greatly reduced.
The power supply, the TDD synchronous control signal and the monitoring signal of the radio frequency amplification component 13 are transmitted in a cascade mode, a 5-core low-frequency plug is adopted as a connector, and a radio frequency coaxial cable is adopted as a connecting cable between the radio frequency amplification components 13, so that the intermodulation performance index of the antenna is ensured.
In the distributed active 5G-iLAN antenna, since the radio frequency amplification component 13 is disposed in the antenna feed network 18, the amplitude and phase differences of the radio frequency amplification component 13 cause the amplitude-phase characteristics of the radiation units 151 to change, which affects the characteristics of the directional patterns in the vertical plane of the antenna, and the consistency of each column of units can be ensured by screening pairs.
In addition, for the 8T/8R antenna, the distributed active 5G-iLAN antenna needs to use 40 radio frequency amplification components 13, the product weight is increased greatly, the cost is improved, the performance of the uplink signal-to-noise ratio of the system is improved optimally, and the antenna is suitable for wide coverage scenes requiring longer coverage distance.
As can be seen from the introduction of the two active 5G-iLAN antennas, the centralized active 5G-iLAN antenna amplifies the synthesized uplink signal of each antenna array, which has the advantages of light weight and low cost; the distributed active 5G-iLAN antenna amplifies the synthesized uplink signal of each antenna radiation unit 151, which has the advantages of better performance of uplink signal-to-noise ratio, but complex product design, high cost and more weight increase.
The utility model discloses an active 5G-iLAN antenna is applied to china UNICOM's telecommunications 2.1G 4T 4R, 8T 8R multiport antenna, china UNICOM's telecommunications 3.5G 4T 4R, 8T 8R multiport antenna, china UNICOM's telecommunications 2.1G 3.5G 4T 4R dual-frenquency multiport (4+4) antenna, china removes 2.6G 8T 8R multiport antenna, china removes 4.9G 8T 8R multiport antenna, china removes 2.6G 4.9G 4T 4R, 8T 8R dual-frenquency multiport antenna, operating frequency covers china 5G mobile communication network frequency channel, specifically as follows: the China Unicom telecommunication 2.1G deep ploughing project is 1920-2170MHz band; the China Unicom telecommunication 3.5G sharing project 3400 + 3600MHz frequency band; china Mobile 2.6G/4.9G project, 2515 + 2675MHz/4800 + 4900 MHz.
In an embodiment of the present invention, an active 5G-iLAN antenna includes: a signal coupler 11, a signal control unit 12, a radio frequency amplification component 13, a phase shifter 14 and an array antenna 15; the signal coupler 11 is connected with the remote radio unit and is used for receiving a radio frequency signal transmitted by the remote radio unit and performing coupling processing on the radio frequency signal to obtain a coupled radio frequency signal; the signal control unit 12 is connected to the signal coupler 11, and is configured to receive the coupled radio frequency signal sent by the signal coupler 11, and perform signal processing on the coupled radio frequency signal to obtain a TDD synchronization control signal; the rf amplifying component 13 is connected to the signal control unit 12, and is configured to control the internal TDD switch to switch the uplink rf channel and the downlink rf channel according to the TDD synchronous control signal, wherein, when the TDD switch is switched to the uplink RF channel, the synthesized uplink RF signal of the array synthesized by the phase shifter 14 or the synthesized uplink RF signal of the radiation unit 151 in the array antenna 15 enters the LAN LNA, so that the LAN low-noise amplifier amplifies the synthesized uplink radio-frequency signal of the array or the synthesized uplink radio-frequency signal of the radiation unit to obtain a first amplified uplink radio-frequency signal or a second amplified uplink radio-frequency signal, and then the first amplified uplink radio frequency signal is transmitted to the remote radio unit through the coupler or the second amplified uplink radio frequency signal is transmitted to the remote radio unit through the phase shifter 14 and the coupler in sequence. According to the above description, the active 5G-iLAN antenna of the present invention can amplify the synthesized uplink rf signal of the array or the synthesized uplink rf signal of the radiating element, and further improve the coverage of the uplink, thereby alleviating the technical problem of the imbalance of the uplink and the downlink of the 8T/8R or 4T/4R passive antenna in the existing chinese 5G mobile communication network.
Example two:
the embodiment of the utility model provides an active 5G-iLAN antenna system is still provided, this active 5G-iLAN antenna system includes: the active 5G-iLAN antenna in the first embodiment further includes: and the radio remote unit is connected with the active 5G-iLAN antenna.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. An active 5G-iLAN antenna, comprising: the device comprises a signal coupler, a signal control unit, a radio frequency amplification component, a phase shifter and an array antenna;
the signal coupler is connected with the remote radio unit and is used for receiving the radio frequency signal transmitted by the remote radio unit and carrying out coupling processing on the radio frequency signal to obtain a coupled radio frequency signal;
the signal control unit is connected with the signal coupler and used for receiving the coupled radio frequency signal sent by the signal coupler and carrying out signal processing on the coupled radio frequency signal to obtain a TDD synchronous control signal;
the radio frequency amplification component is connected with the signal control unit and is used for controlling a TDD switch in the radio frequency amplification component to switch an uplink radio frequency channel and a downlink radio frequency channel according to the TDD synchronous control signal, when the TDD switch is switched to the uplink radio frequency channel, the synthesized uplink radio frequency signal of the array synthesized by the phase shifter or the synthesized uplink radio frequency signal of the radiation unit in the array antenna enters a LAN low noise amplifier, so that the LAN low noise amplifier amplifies the synthesized uplink radio frequency signal of the array or the synthesized uplink radio frequency signal of the radiation unit to obtain a first amplified uplink radio frequency signal or a second amplified uplink radio frequency signal, and then the first amplified uplink radio frequency signal is transmitted to the radio frequency remote unit through the coupler or the second amplified uplink radio frequency signal is transmitted to the radio frequency remote unit through the phase shifter and the coupler in sequence .
2. The active 5G-iLAN antenna of claim 1, further comprising: an antenna port;
the antenna port is respectively connected with the remote radio unit and the signal coupler and is used for transmitting the radio frequency signal transmitted by the remote radio unit to the signal coupler.
3. The active 5G-iLAN antenna of claim 1, further comprising: a power port;
the power supply port is connected with the signal control unit and used for supplying power to the signal control unit and the radio frequency amplification assembly.
4. The active 5G-iLAN antenna of claim 3, wherein the power port employs an AISG water tight joint.
5. The active 5G-iLAN antenna according to claim 1, wherein the TDD synchronization control signal obtained by the signal control unit is transmitted to the radio frequency amplification module through a radio frequency coaxial cable.
6. The active 5G-iLAN antenna of claim 1, wherein the TDD switch is a TDD high power radio frequency switch when a LAN low noise amplifier amplifies the composite uplink radio frequency signal of the array;
and under the condition that the LAN low noise amplifier amplifies the uplink radio frequency signal synthesized by the radiation unit, the TDD switch is a TDD low-power radio frequency switch.
7. The active 5G-iLAN antenna of claim 3, wherein, when the composite uplink rf signal of the array is amplified by a LAN lna, the number of rf amplification components for one signal is one;
when the LAN low noise amplifier amplifies the uplink radio frequency signal synthesized by the radiation unit, the number of radio frequency amplification components of one path of signal is multiple.
8. The active 5G-iLAN antenna of claim 1, further comprising a wireless communication module;
the wireless communication module is connected with the signal control unit, wherein the signal control unit is further used for acquiring the monitoring signal of the radio frequency amplification assembly so as to send the monitoring signal to a network management center through the wireless communication module.
9. An active 5G-iLAN antenna system, comprising: the active 5G-iLAN antenna of any of claims 1 to 8, further comprising: and the radio remote unit is connected with the active 5G-iLAN antenna.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023115907A1 (en) * | 2021-12-21 | 2023-06-29 | 中信科移动通信技术股份有限公司 | Multi-service active distribution system |
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2021
- 2021-03-05 CN CN202120484873.XU patent/CN213989224U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023115907A1 (en) * | 2021-12-21 | 2023-06-29 | 中信科移动通信技术股份有限公司 | Multi-service active distribution system |
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