CN218735000U - 4G5G dual-mode elevator coverage system - Google Patents
4G5G dual-mode elevator coverage system Download PDFInfo
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- CN218735000U CN218735000U CN202223096573.8U CN202223096573U CN218735000U CN 218735000 U CN218735000 U CN 218735000U CN 202223096573 U CN202223096573 U CN 202223096573U CN 218735000 U CN218735000 U CN 218735000U
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Abstract
The utility model belongs to the wireless communication field discloses a 4G5G bimodulus elevator coverage system, the utility model discloses a cover from the machine can reciprocate along with the elevator, and the signal is stable in the car, and the user perception is good. The utility model discloses a cover the host computer and cover the construction of following the machine simply, construction cost is low. The utility model discloses a cover the host computer and cover the signal interaction of following the machine and can realize the monitoring function, can realize the real time monitoring of system to and the visual management of asset.
Description
Technical Field
The utility model belongs to the wireless communication field, concretely relates to 4G5G bimodulus elevator covers system.
Background
With the increasing proportion of high-rise buildings in cities, the remaining quantity of elevators is also rapidly promoted. Because the high-rise building is large in scale and good in quality, the high-rise building has a strong shielding effect on a mobile signal, and the metal characteristic of the elevator car has a natural shielding effect on an electromagnetic signal, so that 4G and 5G base station signals outside the building cannot reach the elevator car, and no 4G and 5G signals or 4G and 5G signals are weak in the elevator car.
At present, three methods for solving the problem of signal coverage in the car are mainly used:
1. antennas are arranged in an elevator shaft, a feed cable, a passive device and antennas are arranged in the shaft, and each pair of antennas covers 3-4 layers. The method needs to install an antenna and a fixed feeder in the shaft, and has the problems of high construction difficulty, long time and unstable signals in the lift car.
2. Antennas are arranged in the elevator hall, and the antennas are arranged in the elevator hall to cover signals to the elevator car. The method needs to install an antenna on each floor, and has the problems of high construction cost and unstable signals in the elevator car.
3. The leakage cable is arranged in the elevator shaft. The method has the problems of high construction difficulty, difficult property coordination and high construction cost.
Disclosure of Invention
An object of the utility model is to overcome not having the problem that 4G and 5G signal cover, weak coverage in the present elevator car, provide a 4G5G bimodulus elevator covers system.
In order to achieve the above purpose, the utility model discloses a:
the covering main machine is arranged in the elevator machine room, the covering main machine is connected with the main machine donor antenna and the main machine covering antenna, the main machine donor antenna is arranged outside the elevator machine room, and the main machine covering antenna is arranged in the elevator shaft; the coverage host interacts with the 4G and 5G information sources through the host donor antenna, and interacts with the coverage slave through the host coverage antenna;
the covering slave machine is arranged on the upper part of the elevator car, the covering slave machine is connected with the slave machine donor antenna and the slave machine covering antenna, the slave machine donor antenna is arranged in the elevator shaft, and the slave machine covering antenna is arranged in the elevator car; the coverage slave machine carries out signal coverage on the elevator car through a slave machine coverage antenna, and the coverage slave machine interacts with the coverage main machine through a slave machine donor antenna.
The overlay host comprises a host first coupler and a host second coupler;
the first host coupler is connected with a host donor antenna, the first host coupler is connected with a first host duplexer, the first host coupler is connected with a first host triplexer, the first host triplexer is connected with a host FDD LTE downlink amplification filtering channel, the first host triplexer is connected with a first host switch, the host FDD LTE downlink amplification filtering channel is connected with a second host duplexer, the first host switch is connected with a second host switch through a host NR TDD downlink amplification filtering channel, the second host switch is connected with the first host switch through a host NR TDD uplink amplification filtering channel, the second host triplexer is connected with a second host switch, the second host duplexer is connected with a host FDD LTE uplink amplification filtering channel, the host FDD LTE uplink amplification filtering channel is connected with the first host triplexer, the second host triplexer is connected with a second host coupler, the second host coupler is connected with a host cover antenna and the second host duplexer, the first host duplexer is connected with 5G modules and 4G modules, the 5G modules and the 4G modules are connected with a host control module, the host control module is connected with a host communication module and a host synchronization module, and the host communication module are connected with a host communication module;
the host control module is used for controlling the uplink and downlink switching of a first switch and a second switch of the host according to the 5G TDD uplink and downlink synchronous information; and the method is used for realizing the regeneration of the 5G TDD uplink and downlink information.
The 4G module adopts a Cat 1 module.
The 4G module and the 5G module adopt a dual-mode module. .
And OOK modulation mode is adopted for the 5G TDD uplink and downlink synchronous information.
The coverage slave comprises a slave coupler and a slave second triplexer;
the slave coupler is connected with the slave donor antenna, the slave coupler is connected with the slave duplexer, the slave coupler is connected with the first slave triplexer, the first slave triplexer is connected with the slave FDD LTE downlink amplification filtering channel, the first slave triplexer is connected with the first slave switch, the slave FDD LTE downlink amplification filtering channel is connected with the second slave triplexer, the first slave switch is connected with the second slave switch through the slave NR TDD downlink amplification filtering channel, the second slave switch is connected with the first slave switch through the slave NR TDD uplink amplification filtering channel, the second slave triplexer is connected with the second slave switch, the second slave triplexer is connected with the slave FDD LTE uplink amplification filtering channel, the slave FDD LTE uplink amplification filtering channel is connected with the first slave triplexer, the second slave triplexer is connected with the slave coverage antenna, the slave duplexer is connected with the slave communication module and the slave synchronization module, and the slave communication module and the slave synchronization module are connected with the slave control module.
The host donor antenna adopts a plate-shaped directional high-gain antenna.
The main machine covering antenna adopts a plate-shaped directional high-gain antenna.
The slave covering antenna adopts an installation qualitative small gain antenna.
The slave donor antenna adopts a plate-shaped directional high-gain antenna.
Compared with the prior art, the utility model discloses a cover from the machine can reciprocate along with the elevator, and the signal is stable in the car, and the user perception is good. The utility model discloses a cover the host computer and cover the construction from the machine simply, construction cost is low. The utility model discloses a cover the host computer and cover the signal interaction of following the machine and can realize the monitoring function, can realize the real time monitoring of system to and the visual management of asset.
Drawings
FIG. 1 is a system diagram of the present invention;
FIG. 2 is a system diagram of the coverage main frame of the present invention;
FIG. 3 is a system diagram of the present invention covering a slave;
wherein, 1, covering the host; 2. covering the slave machine; 3. an elevator machine room; 4. a host donor antenna; 5. the host machine covers the antenna; 6. an elevator shaft; 7. an elevator car; 8. a slave donor antenna; 9. a slave coverage antenna; 1-1, a first coupler of a host; 1-2, a second coupler of the host; 1-3, a first duplexer of a host; 1-4, a first triplexer of a host; 1-5, a host FDD LTE downlink amplification filtering channel; 1-6, a first switch of the host; 1-7, a second triplexer of the host; 1-8, a host NR TDD downlink amplification filtering channel; 1-9, a second switch of the host; 1-10, a host NR TDD uplink amplification filtering channel; 1-11, a host FDD LTE uplink amplification filtering channel; 1-12, a host second duplexer; 1-13, 5G module; 1-14, 4G module; 1-15, a host control module; 1-16, a host synchronization module; 1-17, a host communication module; 2-1, slave coupler; 2-3, slave duplexer; 2-4, a first triplexer of the slave machine; 2-5, a slave FDD LTE downlink amplification filtering channel; 2-6, a first switch of the slave; 2-7, a second triplexer of the slave machine; 2-8, a slave NR TDD downlink amplification filtering channel; 2-9, a second switch of the slave; 2-10, a slave NR TDD uplink amplification filtering channel; 2-11, a slave FDD LTE uplink amplification filtering channel; 2-13, a slave communication module; 2-14, slave synchronization module; 2-15, slave control module.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1, the utility model discloses a:
the coverage main machine 1 is arranged in an elevator machine room 3, the coverage main machine 1 is connected with a main machine donor antenna 4 and a main machine coverage antenna 5, the main machine donor antenna 4 is arranged outside the elevator machine room 3, and the main machine coverage antenna 5 is arranged in an elevator shaft 6; the coverage host 1 interacts with the 4G and 5G information sources through a host donor antenna 4, and the coverage host 1 interacts with the coverage slave through a host coverage antenna 5;
the coverage slave machine 2 is arranged on the upper part of the elevator car 7, the coverage slave machine 2 is connected with a slave machine donor antenna 8 and a slave machine coverage antenna 9, the slave machine donor antenna 8 is arranged in the elevator shaft 6, and the slave machine coverage antenna 9 is arranged in the elevator car 7; the coverage slave 2 performs signal coverage on the elevator car 7 through a slave coverage antenna 9, and the coverage slave 2 interacts with the coverage master 1 through a slave donor antenna 8.
The overlay slave 2 is used to interact with the overlay master 1: the method comprises the steps of receiving 4G and 5G signals from a coverage main machine 1, amplifying and filtering the 4G and 5G signals, then covering the signals into a car through a coverage antenna, sending the 4G and 5G signals to a receiving terminal, amplifying and filtering the signals, and then sending the signals to the coverage main machine 1.
The 5G TDD uplink and downlink synchronization of the coverage master 1 and the coverage slave 2 is realized by the following modes:
1) The overlay host 1 demodulates the information source 5G signal through the 5G modules 1-13, extracts 5G TDD uplink and downlink synchronization information, and realizes 5G TDD uplink and downlink synchronization of the overlay host 1;
2) The coverage host 1 regenerates the 5G TDD uplink and downlink synchronous information and radiates to the space through the host coverage antenna 5 in a radio frequency signal mode;
3) The coverage slave 2 receives the 5G TDD uplink and downlink synchronization signal sent by the coverage master 1, and the 5G TDD uplink and downlink synchronization of the coverage slave 2 is realized.
The utility model discloses a monitoring function realizes through following mode:
1) The 4G modules 1-13 covering the host 1 are responsible for interacting with the 4G information source to realize the connection with the monitoring center;
2) The coverage master machine 1 and the coverage slave machine 2 communicate with each other through the master machine communication modules 1-17 and the slave machine communication modules 2-13, so that the information interaction between the master machine and the slave machine is realized.
Referring to fig. 2, the overlay host 1 includes a host first coupler 1-1 and a host second coupler 1-2; the first coupler 1-1 of the host is connected with a donor antenna 4 of the host, the first coupler 1-1 of the host is connected with a first duplexer 1-3 of the host, the first coupler 1-1 of the host is connected with a first duplexer 1-4 of the host, the first duplexer 1-4 of the host is connected with a FDD LTE downlink amplification filtering channel 1-5 of the host, the first duplexer 1-4 of the host is connected with a first switch 1-6 of the host, the FDD LTE downlink amplification filtering channel 1-5 of the host is connected with a second duplexer 1-7 of the host, the first switch 1-6 of the host is connected with a second switch 1-9 of the host through a NR TDD downlink amplification filtering channel 1-8 of the host, the second switch 1-9 of the host is connected with the first switch 1-6 of the host through an NR TDD uplink amplification filtering channel 1-10 of the host, the host computer second triplexer 1-7 is connected with the host computer second switch 1-9, the host computer second triplexer 1-7 is connected with the host computer FDD LTE uplink amplification filtering channel 1-11, the host computer FDD LTE uplink amplification filtering channel 1-11 is connected with the host computer first triplexer 1-4, the host computer second triplexer 1-7 is connected with the host computer second coupler 1-2, the host computer second coupler 1-2 is connected with the host computer covering antenna 5 and the host computer second duplexer 1-12, the host computer first duplexer 1-3 is connected with the 5G module 1-13, the 4G module 1-14,5G module 1-13 and the 4G module 1-14 are connected with the host computer control module 1-15, the host computer control module 1-15 is connected with the host computer synchronization module 1-16 and the host computer communication module 1-17, the host synchronization modules 1-16 and the host communication modules 1-17 are connected with the host second duplexers 1-12; the system is used for interacting with a network management center to realize monitoring and remote upgrading functions; the device is used for regenerating uplink and downlink synchronous information of the 5G TDD and sending the information to the slave in a radio frequency signal mode; the method is used for communicating with the slave computers and achieving management of the slave computers.
The host control module 1-15 is used for controlling the uplink and downlink switching of the host first switch 1-6 and the host second switch 1-9 according to the 5G TDD uplink and downlink synchronous information; and the system is used for realizing the regeneration of the 5G TDD uplink and downlink information; the system is used for realizing monitoring and remote upgrading functions; the management of the slave is realized; gain and power control for 4G and 5G uplink and downlink amplification filtering channels.
The first coupler 1-1 of the host is used for coupling out partial signals from a line, the input port of the first coupler 1-1 of the host is connected to the donor antenna 4 of the host, the coupling port is connected to the synthesis port of the first duplexer 1-3 of the host, and the output port is connected to the synthesis port of the first duplexer 1-4 of the host.
The first triplexer 1-4 of the host is used for synthesizing and separating FDD LTE downlink signals, FDD LTE uplink signals and NR TDD signals, an FDD LTE downlink port of the first triplexer is connected to the FDD LTE downlink amplification filtering channels 1-5 of the host, an FDD LTE uplink port is connected to the FDD LTE uplink amplification filtering channels 1-11 of the host, and an NR TDD port is connected to Ant ports of the first switches 1-6 of the host.
The host FDD LTE downlink amplification filtering channel 1-5 is used for carrying out amplification filtering processing on FDD LTE downlink signals and is connected with an FDD LTE downlink port of the host second triplexer 1-7.
And the host FDD LTE uplink amplification filtering channel 1-11 is used for carrying out amplification filtering processing on an FDD LTE uplink signal and is connected with an FDD LTE uplink port of the host second triplexer 1-7.
The host second duplexer 1-12 is used for synthesizing and separating an FDD LTE downlink signal, an FDD LTE uplink signal and an NR TDD signal, the NR TDD of the host second duplexer 1-12 is connected to an Ant port of a host second switch 1-9, and the synthesis port is connected to an output port of a host second coupler 1-2.
The first switch 1-6 of the host is used for switching the NR TDD signal up and down, the TX port of the first switch 1-6 of the host is connected with the NR TDD down amplification filtering channel 1-8 of the host, and the RX port is connected with the NR TDD up amplification filtering channel 1-10 of the host.
The host NR TDD downlink amplification filtering channel 1-8 is used for carrying out amplification filtering processing on the NR TDD downlink signal and is connected with an RX port of a host second switch 1-9.
The host NR TDD uplink amplification filtering channels 1-10 are used for carrying out amplification filtering processing on NR TDD uplink signals and are connected to TX ports of second switches 1-9 of the host.
The second switch 1-9 of the host is used for switching the uplink and the downlink of the NR TDD signal and is connected with the NR TDD port of the second triplexer 1-7 of the host.
The first duplexer 1-3 of the host is used for synthesizing and separating 5G signals and 4G signals, the 5G port of the first duplexer 1-3 of the host is connected with the 5G module, and the 4G port is connected with the 4G module.
The 5G modules 1-13 are used for demodulating 5G TDD uplink and downlink switching information from the signal source 5G signals, and the 5G modules 1-13 are connected to the control module.
The 4G module 1-14 is used for communicating with a monitoring center to realize a monitoring function, and the 4G module 1-14 is connected with the host control module 1-15.
The host donor antenna 4 is used for coupling 4G and 5G source signals, and a coaxial cable connection is adopted between the host donor antenna 4 and the overlay host 1 in order to obtain the 4G and 5G source signals.
The master synchronization module 1-16 is used for regenerating uplink and downlink synchronization information of the 5G TDD, and then sending the information to the coverage slave 2 in a radio frequency signal mode, and connecting the information to the synchronization signal port of the second duplexer 1-12.
The master communication modules 1 to 17 are used for communicating with the overlay slave 2 and are connected to the communication signal ports of the second duplexers 1 to 12.
The second duplexer 1-12 of the host is used for synthesizing and separating the synchronous signal and the communication signal and is connected to the coupling port of the second coupler 1-2 of the host. The master second coupler 1-2 is used to couple the synchronization signal and the communication signal into the line. The host coverage antenna 4 is used for coverage of 4G and 5G signals, transmission of synchronization signals, and transmission and reception of communication signals.
Preferably, the host donor antenna 4 is a plate-shaped directional high gain antenna.
Preferably, the main coverage antenna 5 is a plate-shaped directional high-gain antenna or a log-periodic antenna.
Preferably, the 4G modules 1-14 are Cat 1 modules.
Preferably, the 4G modules 1-14 and the 5G modules 1-13 are dual mode modules. .
Preferably, the uplink and downlink synchronization information of the 5G TDD adopts an OOK modulation scheme.
The host communication modules 1-17 may employ BT LE, zigbee, or FSK communication chips.
Referring to fig. 3, the overlay slave 2 is used for implementing uplink and downlink amplification filtering processing of 4G and 5G signals; the system is used for receiving 5G TDD uplink and downlink synchronous signals sent by a host and realizing regeneration of the 5G TDD uplink and downlink synchronous information; the device is used for communicating with a host and realizing communication between the host and the slave.
The coverage slave 2 comprises a slave coupler 2-1 and a slave second triplexer 2-7; the slave coupler 2-1 is connected with the slave donor antenna 8, the slave coupler 2-1 is connected with the slave duplexer 2-3, the slave coupler 2-1 is connected with the slave first triplexer 2-4, the slave first triplexer 2-4 is connected with the slave FDD LTE downlink amplification filtering channel 2-5, the slave first triplexer 2-4 is connected with the slave first switch 2-6, the slave FDD LTE downlink amplification filtering channel 2-5 is connected with the slave second triplexer 2-7, the slave first switch 2-6 is connected with the slave second switch 2-9 through the slave NR TDD downlink amplification filtering channel 2-8, the slave second switch 2-9 is connected with the slave first switch 2-6 through the slave NR uplink amplification filtering channel 2-10, the slave second triplexer 2-7 is connected with the slave second switch 2-9, the slave second triplexer 2-7 is connected with the slave FDD LTE uplink amplification filtering channel 2-11, the slave LTE amplification filtering channel 2-11 is connected with the first triplexer 2-4, the slave second triplexer 2-7 is connected with the slave FDD LTE uplink amplification filtering channel 2-11, the slave 2-3 is connected with the slave 2-7, the slave 2-3 synchronous communication module and the slave communication module 14.
The slave donor antenna 8 is used for interacting with the overlay master 1, receiving and transmitting 4G signals, 5G signals and communication signals, and receiving synchronization signals.
The slave coupler 2-1 is used for coupling out communication signals and synchronous signals from a line, an input port of the coupler is connected to the donor antenna, a coupling port is connected to a combining port of the duplexer, and an output port is connected to a combining port of the first triplexer.
The first slave triplexer 2-4 is used for synthesizing and separating FDD LTE downlink signals, FDD LTE uplink signals and NR TDD signals, an FDD LTE downlink port of the first triplexer is connected with the slave FDD LTE downlink amplification filtering channels 2-5, an FDD LTE uplink port is connected with the slave FDD LTE uplink amplification filtering channels 2-11, and an NR TDD port is connected with the slave first switch 2-6.
And the slave FDD LTE downlink amplification filtering channel 2-5 is used for amplification filtering processing of FDD LTE downlink signals and is connected with an FDD LTE downlink port of the slave second triplexer 2-7.
And the slave FDD LTE uplink amplification and filtering channel 2-11 is used for amplification and filtering processing of FDD LTE uplink signals and is connected with an FDD LTE uplink port of the slave second triplexer 2-7.
The slave second triplexers 2-7 are used for synthesizing and separating FDD LTE downlink signals, FDD LTE uplink signals and NR TDD signals, and synthesis ports of the slave second triplexers 2-7 are connected to the slave covering antenna 9.
The first switch 2-6 of the slave is used for switching the NR TDD signal up and down, the TX port of the first switch 2-6 of the slave is connected with the NR TDD down amplification filtering channel 2-8 of the slave, and the RX port is connected with the NR TDD up amplification filtering channel 2-10 of the slave.
And the slave NR TDD downlink amplification filtering channels 2-8 are used for carrying out amplification filtering processing on the NR TDD downlink signal and are connected with RX ports of the slave second switches 2-9.
And the slave NR TDD uplink amplification filtering channels 2-10 are used for carrying out amplification filtering processing on the NR TDD uplink signals and are connected with TX ports of the slave second switches 2-9.
The second switch 2-9 of the slave machine is used for switching the uplink and the downlink of the NR TDD signal and is connected with the NR TDD port of the second triplexer 2-7 of the slave machine.
The slave duplexer 2-3 is used for synthesizing and separating communication signals and synchronous signals, a communication port of the slave duplexer 2-3 is connected to the slave communication module 2-13, and a synchronous port is connected to the master synchronous module 1-16.
The slave communication modules 2-13 are used for communicating with the coverage master 1 and are connected with the master control modules 1-15.
The slave synchronization modules 2-14 are used for receiving the synchronization signal sent by the host, realizing the regeneration of the 5G TDD uplink and downlink synchronization signal and connected with the slave control modules 2-15. The slave control module 2-15 is used for 1 to realize the regeneration of 5G TDD uplink and downlink information; the control circuit is used for controlling the uplink and downlink switching of the first switch and the second switch according to the 5G TDD uplink and downlink synchronous information; the system is used for realizing monitoring and remote upgrading functions through the communication module; gain and power control for 4G and 5G uplink and downlink amplification filtering channels.
The slave cover antenna 9 is used for covering 4G and 5G signals in the car.
Preferably, the slave covering antenna 9 is an installation qualitative small gain antenna.
Preferably, the slave donor antenna 8 is a plate-shaped directional high gain antenna.
Preferably, the slave communication modules 2 to 13 use BT LE, zigbee, or FSK communication chips.
Claims (10)
1. A4G 5G dual-mode elevator coverage system is characterized by comprising:
the coverage main machine (1), the coverage main machine (1) is arranged in an elevator machine room (3), the coverage main machine (1) is connected with a main machine donor antenna (4) and a main machine coverage antenna (5), the main machine donor antenna (4) is arranged outside the elevator machine room (3), and the main machine coverage antenna (5) is arranged in an elevator shaft (6); the coverage host (1) interacts with the 4G and 5G information sources through a host donor antenna (4), and the coverage host (1) interacts with the coverage slave through a host coverage antenna (5);
the covering slave machine (2), the covering slave machine (2) is arranged on the upper part of the elevator car (7), the covering slave machine (2) is connected with the slave machine donor antenna (8) and the slave machine covering antenna (9), the slave machine donor antenna (8) is arranged in the elevator shaft (6), and the slave machine covering antenna (9) is arranged in the elevator car (7); the coverage slave (2) performs signal coverage on the elevator car (7) through a slave coverage antenna (9), and the coverage slave (2) interacts with the coverage main machine (1) through a slave donor antenna (8).
2. The 4G5G dual-mode elevator coverage system of claim 1, wherein the coverage main machine (1) comprises a main machine first coupler (1-1) and a main machine second coupler (1-2);
the first coupler (1-1) of the host is connected with a donor antenna (4) of the host, the first coupler (1-1) of the host is connected with a first duplexer (1-3) of the host, the first coupler (1-1) of the host is connected with a first triplexer (1-4) of the host, the first triplexer (1-4) of the host is connected with a FDD LTE downlink amplification filtering channel (1-5) of the host, the first duplexer (1-4) of the host is connected with a first switch (1-6) of the host, the FDD LTE downlink amplification filtering channel (1-5) of the host is connected with a second duplexer (1-7) of the host, the first switch (1-6) of the host is connected with the second switch (1-9) of the host through the NR TDD downlink amplification filtering channel (1-8), the second switch (1-9) of the host is connected with the first switch (1-6) of the host through the NR TDD uplink amplification filtering channel (1-10), the second triplexer (1-7) of the host is connected with the second switch (1-9) of the host, the second triplexer (1-7) of the host is connected with the FDD LTE uplink amplification filtering channel (1-11), the FDD LTE uplink amplification filtering channel (1-11) of the host is connected with the first triplexer (1-4) of the host, the second triplexer (1-7) of the host is connected with the second coupler (1-2) of the host, the second host coupler (1-2) is connected with the host covering antenna (5) and the second host duplexer (1-12), the first host duplexer (1-3) is connected with the 5G module (1-13) and the 4G module (1-14), the 5G module (1-13) and the 4G module (1-14) are connected with the host control module (1-15), the host control module (1-15) is connected with the host synchronization module (1-16) and the host communication module (1-17), and the host synchronization module (1-16) and the host communication module (1-17) are connected with the second host duplexer (1-12);
the host control module (1-15) is used for controlling the uplink and downlink switching of a first switch (1-6) and a second switch (1-9) of the host according to the 5G TDD uplink and downlink synchronous information; and the method is used for realizing the regeneration of the 5G TDD uplink and downlink information.
3. A 4G5G dual-mode elevator coverage system according to claim 2, wherein the 4G modules (1-14) are Cat 1 modules.
4. A 4G5G dual-mode elevator coverage system as defined in claim 2, wherein the 4G modules (1-14) and the 5G modules (1-13) are dual-mode modules.
5. The 4G5G dual-mode elevator coverage system as claimed in claim 2, wherein the 5G TDD uplink and downlink synchronization information adopts OOK modulation mode.
6. The 4G5G dual-mode elevator coverage system of claim 1, wherein the coverage slave (2) comprises a slave coupler (2-1) and a slave second triplexer (2-7);
the slave coupler (2-1) is connected with the slave donor antenna (8), the slave coupler (2-1) is connected with the slave duplexer (2-3), the slave coupler (2-1) is connected with the first slave triplexer (2-4), the first slave triplexer (2-4) is connected with the slave FDD LTE downlink amplification filtering channel (2-5), the first slave triplexer (2-4) is connected with the first slave switch (2-6), the slave FDD LTE downlink amplification filtering channel (2-5) is connected with the second slave triplexer (2-7), the first slave switch (2-6) is connected with the second slave switch (2-9) through the slave NR TDD downlink amplification filtering channel (2-8), the second switch (2-9) of the slave machine is connected with the first switch (2-6) of the slave machine through the NR TDD uplink amplification filtering channel (2-10), the second triplexer (2-7) of the slave machine is connected with the second switch (2-9) of the slave machine, the second triplexer (2-7) of the slave machine is connected with the FDD LTE uplink amplification filtering channel (2-11) of the slave machine, the FDD LTE uplink amplification filtering channel (2-11) of the slave machine is connected with the first triplexer (2-4) of the slave machine, the second triplexer (2-7) of the slave machine is connected with the cover antenna (9) of the slave machine, the slave duplexer (2-3) is connected with the slave communication module (2-13) and the slave synchronous module (2-14), and the slave communication module (2-13) and the slave synchronous module (2-14) are connected with the slave control module (2-15).
7. A 4G5G dual-mode elevator coverage system as claimed in claim 1, wherein the main machine donor antenna (4) is a plate-shaped directional high gain antenna.
8. A 4G5G dual-mode elevator coverage system as claimed in claim 1, characterized in that the main machine coverage antenna (5) is a plate-like directional high-gain antenna.
9. A 4G5G dual-mode elevator coverage system as claimed in claim 1, characterized in that the slave coverage antennas (9) are installed qualitative small gain antennas.
10. 4G5G dual-mode elevator coverage system according to claim 1, characterized in that the slave donor antenna (8) is a plate-like directional high gain antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223096573.8U CN218735000U (en) | 2022-11-21 | 2022-11-21 | 4G5G dual-mode elevator coverage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223096573.8U CN218735000U (en) | 2022-11-21 | 2022-11-21 | 4G5G dual-mode elevator coverage system |
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| CN218735000U true CN218735000U (en) | 2023-03-24 |
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| CN202223096573.8U Active CN218735000U (en) | 2022-11-21 | 2022-11-21 | 4G5G dual-mode elevator coverage system |
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