CN210724788U - G.hn repeater based on PON coaxial line communication - Google Patents
G.hn repeater based on PON coaxial line communication Download PDFInfo
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- CN210724788U CN210724788U CN201921292469.1U CN201921292469U CN210724788U CN 210724788 U CN210724788 U CN 210724788U CN 201921292469 U CN201921292469 U CN 201921292469U CN 210724788 U CN210724788 U CN 210724788U
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Abstract
The utility model provides a G.hn repeater based on PON coaxial line communication, through the built-in CPU that accords with G.hn agreement, G.hn amplifier, G.hn transformer, G.hn band pass filter and signal transceiver module's multichannel radio frequency mouth, modulate, amplify, the signal transformation is carried out to the uplink gateway signal of receiving, turn into G.hn modulation signal and send it to a plurality of subordinate G.hn routers through multichannel radio frequency mouth, realized the wired interconnection of higher level's intelligent home gateway and subordinate multiunit sub-router; and signals received from the lower-level G.hn router can be subjected to secondary processing and then converted into G.hn modulation signals, and the G.hn modulation signals are further distributed or appointed to be output to lower-level equipment, so that wired interconnection between every two sub-routers in multiple groups is realized. The utility model discloses utilize net twine and network input port's connection to realize POE power supply, utilize the coaxial line to connect the radio frequency mouth and supply power to down G.hn router, complexity when having simplified the equipment fixing connection.
Description
Technical Field
The utility model relates to a repeater technical field especially relates to a G.hn repeater based on PON coaxial line communication.
Background
The G.hn international standard incorporates power lines, twisted-pair lines and coaxial cables into a home network wired transmission medium, can utilize various laid cables to the maximum extent, and provides practical entity support for popularization of the Internet of things on the network coverage and terminal access level.
POE (Power Over Ethernet ) refers to a technology that can provide dc Power for some IP-based terminals (such as IP phones, wireless lan access points AP, network cameras, etc.) while transmitting data signals for such devices, without any change to the existing Ethernet cat.5 wiring infrastructure.
With the continuous popularization of gateways, the requirements of people on home network coverage are higher and higher, namely from single WIFI to multiple WIFI, and from WIFI relay to WIFI networking. The WIFI networking is the most advanced, but the pure WIFI networking still has certain defects, specifically:
firstly, a coverage blind area exists;
second, the signal transmission delay is significantly increased.
The existing solution is to adopt a wired networking + wireless networking mode, and an intermediate node, namely a repeater, is necessarily needed on the basis of wired networking + wireless networking, and the existing repeater cannot support the g.
SUMMERY OF THE UTILITY MODEL
The utility model provides a G.hn repeater based on PON coaxial line communication has solved current repeater can't support G.
In order to solve the technical problem, the utility model provides a G.hn repeater based on PON coaxial line communication, including CPU and the G.hn amplifier, the G.hn band pass filter who independently connects with it, still including the G.hn transformer of connecting the G.hn amplifier with the G.hn band pass filter, and connect the signal transceiver module of G.hn transformer;
the G.hn modulation signals from the downlink G.hn router are sequentially received by the signal receiving and transmitting module, converted by the G.hn transformer, filtered by the G.hn band-pass filter and demodulated by the CPU to generate demodulation signals;
after the signals from the uplink gateway or the demodulated signals are modulated into G.hn modulation signals by the CPU, the signals are sequentially amplified by the G.hn amplifier and converted by the G.hn transformer, and the corresponding G.hn modulation signals are output to the downlink G.hn router by the signal transceiver module.
The signal conversion specifically refers to converting a modulation signal received from the g.hn amplifier into a common-mode signal from a differential signal.
The signal conversion specifically refers to converting the modulation signal received from the downlink g.hn router from a common mode signal to a differential signal.
The system also comprises a network input port connected with the CPU, and the network input port is used for accessing the uplink gateway through a network cable and receiving the POE power transmitted by the uplink gateway.
The network input port is an RJ45 interface.
The signal transceiver module at least comprises two paths of radio frequency ports, and the radio frequency ports are used for receiving or sending G.hn modulation signals and are also used for connecting the network input ports to supply power to the downlink G.hn router through coaxial lines.
The radio frequency port is an RF radio frequency port.
The system also comprises a DDR memory and a FLASH memory which are independently connected with the CPU and used for storing data.
The utility model provides a G.hn repeater based on PON coaxial line communication, through the built-in CPU that accords with G.hn agreement, G.hn amplifier, G.hn transformer, G.hn band pass filter and signal transceiver module's multichannel radio frequency mouth, modulate, amplify, the signal transformation is carried out to the uplink gateway signal of receiving, turn into G.hn modulation signal and send it to a plurality of subordinate G.hn routers through multichannel radio frequency mouth, realized the wired interconnection of higher level's intelligent home gateway and subordinate multiunit sub-router; and the signal received from the lower G.hn router can be subjected to signal conversion, filtering and demodulation, then is subjected to modulation, amplification and signal conversion again to obtain a G.hn modulation signal, and the G.hn modulation signal is further distributed or appointed to be output to lower equipment, so that wired interconnection between every two groups of sub-routers is realized.
The utility model adopts the conventional coaxial line resource to communicate the uplink gateway with a plurality of G.hn routers at the subordinate, thereby ensuring the maximization of the data bandwidth utilization, improving the network throughput and reducing the transmission delay; laid coaxial resources are fully utilized, extra wiring is reduced, networking cost is effectively reduced, and market competitiveness is improved; the POE power supply is realized by the connection between the network cable and the network input port, the downlink G.hn router is powered by the coaxial cable connection radio frequency port, the complexity of construction wiring during equipment installation and connection is simplified, and the wiring cost is greatly saved.
Drawings
Fig. 1 is a system framework diagram of a g.hn repeater based on PON coaxial line communication according to an embodiment of the present invention;
fig. 2 is a hardware circuit diagram of the g.hn amplifier of fig. 1 according to an embodiment of the present invention;
fig. 3 is a hardware circuit diagram of the g.hn transformer in fig. 1 according to an embodiment of the present invention;
fig. 4 is a hardware circuit diagram of the g.hn band-pass filter in fig. 1 according to an embodiment of the present invention;
wherein: the device comprises a CPU1, a G.hn amplifier 2, a G.hn transformer 3, a G.hn band-pass filter 4, a signal transceiving module 5, a network input port 6, a DDR storage 7 and a FLASH storage 8.
Detailed Description
The following embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are given for illustrative purposes only and are not to be construed as limiting the invention, including the drawings, which are only used for reference and illustration, and do not constitute a limitation to the scope of the invention, since many changes may be made thereto without departing from the spirit and scope of the invention.
The embodiment of the utility model provides a G.hn repeater based on PON coaxial line communication, as shown in fig. 1, in this embodiment, including CPU1 and the G.hn amplifier 2, the G.hn band pass filter 4 of being connected independently rather than, still including connecting G.hn amplifier 2 with the G.hn transformer 3 of G.hn band pass filter 4, and connect the signal transceiver module 5 of G.hn transformer 3;
g.hn modulation signals from a downlink g.hn router are sequentially received by the signal transceiver module 5, signal converted by the g.hn transformer 3, filtered by the g.hn band-pass filter 4, and demodulated by the CPU1 to generate demodulated signals;
after the signal from the uplink gateway or the demodulated signal is modulated into a g.hn modulated signal by the CPU1, the g.hn modulated signal is sequentially subjected to signal amplification by the g.hn amplifier 2 and signal conversion by the g.hn transformer 3, and the signal transceiver module 5 outputs a corresponding g.hn modulated signal to the downlink g.hn router.
The signal conversion specifically refers to converting the modulation signal received from the g.hn amplifier 2 into a common-mode signal from a differential signal.
The signal conversion specifically refers to converting the modulation signal received from the downlink g.hn router from a common mode signal to a differential signal.
The network access device also comprises a network input port 6 connected with the CPU1 and used for accessing the uplink gateway through a network cable and receiving the POE power transmitted by the uplink gateway.
The network input port 6 is an RJ45 interface.
The signal transceiver module 5 at least includes two radio frequency ports, and the radio frequency ports are used for receiving or sending g.hn modulation signals and are also used for connecting the network input port 6 to supply power to the downlink g.hn router through a coaxial line.
The radio frequency port is an RF radio frequency port.
The Double Data Rate (DDR) storage 7 and the FLASH storage 8 which are independently connected with the CPU1 are also included for storing data.
Referring to fig. 2, the g.hn amplifier 2 is a LE87100NQCT amplifier.
Referring to fig. 3, the g.hn transformer 3 is a T802 transformer.
The g.hn band-pass filter 44 is composed of resistors R1-R3, capacitors C1-CC 8 and inductors L1-L4, and the connection relationship is shown in fig. 4.
The system signal output working principle is as follows:
and receiving an uplink gateway signal through the network input port 6, processing the uplink gateway signal into a G.hn modulation signal through the CPU1, amplifying the signal through the G.hn signal amplifier, converting the signal into a common mode signal through the G.hn signal transformer, and outputting the common mode signal to a downlink G.hn router through the RF port. Meanwhile, the RF port supplies power to the downlink g.hn router through a coaxial line.
The system signal input working principle is as follows:
and receiving the modulation signal of the downlink G.hn router through the RF port, converting the modulation signal into a differential signal through the G.hn signal transformer, inputting the differential signal into a G.hn signal band-pass filter to filter out-of-band signals, further inputting the differential signal into the CPU1 to demodulate the out-of-band signals into a demodulation signal, and storing the demodulation signal into the DDR storage 7 or the FLASH storage 8. If signal transmission between every two downlink g.hn routers is needed, the demodulation signals stored in the DDR memory 7 or the FLASH memory 8 are re-modulated and output to the corresponding g.hn router through a signal output workflow.
The embodiment of the utility model provides a G.hn repeater is applicable to PON intelligent home network deployment system.
The embodiment of the utility model provides a G.hn repeater based on PON coaxial line communication, through the built-in multichannel radio frequency mouth that accords with the CPU1 of G.hn agreement, G.hn amplifier 2, G.hn transformer 3, G.hn band pass filter 4 and signal transceiver module 5, modulate, amplify, the signal transformation with the uplink gateway signal that receives, turn into G.hn modulation signal and send it to a plurality of subordinate G.hn routers through multichannel radio frequency mouth, realized the wired interconnection of higher level's intelligent home gateway and subordinate's multiunit sub-router; and the signal received from the lower G.hn router can be subjected to signal conversion, filtering and demodulation, then is subjected to modulation, amplification and signal conversion again to obtain a G.hn modulation signal, and the G.hn modulation signal is further distributed or appointed to be output to lower equipment, so that wired interconnection between every two groups of sub-routers is realized.
The embodiment of the utility model adopts the conventional coaxial line resource to communicate the uplink gateway with a plurality of G.hn routers at the subordinate level, thereby ensuring the maximization of the utilization of the data bandwidth, improving the network throughput and reducing the transmission delay; laid coaxial resources are fully utilized, extra wiring is reduced, networking cost is effectively reduced, and market competitiveness is improved; the POE power supply is realized by the connection between the network cable and the network input port, the downlink G.hn router is powered by the coaxial cable connection radio frequency port, the complexity of construction wiring during equipment installation and connection is simplified, and the wiring cost is greatly saved.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (8)
1. A G.hn repeater based on PON coaxial line communication, its characterized in that: the system comprises a CPU, a G.hn amplifier and a G.hn band-pass filter which are independently connected with the CPU, a G.hn transformer which is connected with the G.hn amplifier and the G.hn band-pass filter, and a signal receiving and transmitting module which is connected with the G.hn transformer;
the G.hn modulation signals from the downlink G.hn router are sequentially received by the signal receiving and transmitting module, converted by the G.hn transformer, filtered by the G.hn band-pass filter and demodulated by the CPU to generate demodulation signals;
after the signals from the uplink gateway or the demodulated signals are modulated into G.hn modulation signals by the CPU, the signals are sequentially amplified by the G.hn amplifier and converted by the G.hn transformer, and the corresponding G.hn modulation signals are output to the downlink G.hn router by the signal transceiver module.
2. The g.hn repeater based on PON coaxial line communication according to claim 1, wherein: the signal conversion specifically refers to converting a modulation signal received from the g.hn amplifier into a common-mode signal from a differential signal.
3. The g.hn repeater based on PON coaxial line communication according to claim 1, wherein: the signal conversion specifically refers to converting the modulation signal received from the downlink g.hn router from a common mode signal to a differential signal.
4. The g.hn repeater based on PON coaxial line communication according to claim 1, wherein: the system also comprises a network input port connected with the CPU, and the network input port is used for accessing the uplink gateway through a network cable and receiving the POE power transmitted by the uplink gateway.
5. The G.hn repeater based on PON coaxial line communication of claim 4, wherein: the network input port is an RJ45 interface.
6. The G.hn repeater based on PON coaxial line communication of claim 4, wherein: the signal transceiver module at least comprises two paths of radio frequency ports, and the radio frequency ports are used for receiving or sending G.hn modulation signals and are also used for connecting the network input ports to supply power to the downlink G.hn router through coaxial lines.
7. The G.hn repeater based on PON coaxial line communication of claim 6, wherein: the radio frequency port is an RF radio frequency port.
8. The g.hn repeater based on PON coaxial line communication according to claim 1, wherein: the system also comprises a DDR memory and a FLASH memory which are independently connected with the CPU and used for storing data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921292469.1U CN210724788U (en) | 2019-08-09 | 2019-08-09 | G.hn repeater based on PON coaxial line communication |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921292469.1U CN210724788U (en) | 2019-08-09 | 2019-08-09 | G.hn repeater based on PON coaxial line communication |
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| CN210724788U true CN210724788U (en) | 2020-06-09 |
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| CN201921292469.1U Active CN210724788U (en) | 2019-08-09 | 2019-08-09 | G.hn repeater based on PON coaxial line communication |
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