CN108111792A - The equipment for realizing LTE communications and satellite video transmission - Google Patents
The equipment for realizing LTE communications and satellite video transmission Download PDFInfo
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- CN108111792A CN108111792A CN201711405256.0A CN201711405256A CN108111792A CN 108111792 A CN108111792 A CN 108111792A CN 201711405256 A CN201711405256 A CN 201711405256A CN 108111792 A CN108111792 A CN 108111792A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
Equipment the invention discloses LTE communications and satellite video transmission is realized.Power supply mode to LTE equipment is the technical issues of needing to improve.The present invention includes indoor type equipment and outdoor version equipment；Indoor type equipment is made of HomeplugAV2 systems, indoor type power-supply system, satellite video zapping controlling transmission system and diplexer system；Outdoor version equipment is made of HomeplugAV2 systems, POE power-supply systems, satellite video control and electric power system and diplexer system.The present invention can realize an internet signal, voice signal and video signal transmission to interior, power delivery to outdoor using Coaxial Network transmission ethernet signal, satellite video signal and zapping control signal in the situation for not doing any network and building reconstruction.
Description
Technical field
The invention belongs to coaxial telecommunications apparatus field, be related to one kind can simultaneous transmission 3G the output of 4G LTE communication apparatus
Ethernet signal and satellite video communication apparatus output vision signal equipment, while equipment support by coaxial pair this
A little equipment power supplies.
Background technology
The residence areas such as discrete village in the fewer small village of number, island, hills and mountains, coaxial or fiber to the home
Network investment cost it is very big, the resident family in these regions starts just to regard using the propagation of satellite video communication apparatus early in the nineties
Satellite pot is placed on roof by frequency signal, live video program can be watched at home by being registered one's residence with a coaxial cable.But
With the progress of mechanics of communication, present LTE mechanicss of communication are highly developed and stablize, and use the LTE technical transmission languages of 3G/4G
Sound and internet signal scale use, user energy and base station as long as the outdoor unit of LTE communication apparatus is set up on roof
Docking, and internet signal and voice signal are introduced into interior.But these internet signals and voice signal are all ether
Net signal, can not be by coaxial transmission to interior, we, which must have, a kind of can be transferred to ethernet signal by coaxial network
Indoor equipment.
The outdoor acc power of satellite video communication apparatus only has 3W, the bipolarity that can be carried by the indoor machine equipment of oneself
The satellite pot that power supply is transferred to outdoor unit by transmitting the coaxial network of video is powered, but the LTE communication apparatus of 3G/4G
Outdoor unit needs to power the power of 20W, we must have and a kind of indoor power safety can be transferred to room by coaxial network
Outer equipment.
This LTE communication apparatus output ethernet signal for solving the problems, such as 3G/4G is transmitted in coaxial network, using coaxial
Line transmission bipolar power supply and the problem of 22K video zapping signals, the equipment using coaxial line transmission satellite TV video problems claims
For HOC equipment, HOC equipment also has indoor type equipment and outdoor version equipment two types.
LTE communication apparatus, satellite video communication apparatus and the HOC equipment of 3G/4G is all divided to two kinds of outdoor unit and indoor unit to set
Standby type, the outdoor unit abbreviation LTE equipment of the LTE communication apparatus of 3G/4G, indoor unit abbreviation family gateway equipment；Satellite video
The outdoor unit abbreviation satellite pot of communication apparatus, indoor type abbreviation satellite set top box.LTE equipment and satellite pot are required for being placed on
It is outdoor.The wireless communication signal that LTE equipment can send 3G/4G base stations receives, and modulating/demodulating into ethernet signal simultaneously
Family gateway equipment is sent to by HOC equipment.Satellite pot, which can get off the video reception of direct broadcast satellite and pass through HOC, to be set
Preparation gives satellite set top box, and satellite set top box can provide HOC equipment and give satellite pot zapping control signal transmission.It is indoor simultaneously
Type equipment can by Coaxial Network indoor power delivery to outdoor equipment, LTE equipment and satellite pot.Have HOC equipment we
A coaxial line transmission of video information, Ethernet information, power supply and Qie Tai signals can be used, biography wall has been gone to burrow less and has drawn ether
The troublesome thing such as cable, power cord.
HomeplugAV2 is the leading scheme in power line communication field, is home network, networking amusement, power line access
It is the most electric line carrier communication skill of current most stable using most extensive, technology and usable product Deng offer technical guarantee
Art scheme, HOC equipment have used the technical solution of HomeplugAV2, and have transformed front end coupled interface circuit, make
HomeplugAV2 can be transmitted on coaxial line, and inherited HomeplugAV2 and used noise resisting ability strong, support 1000M bands
Width transmission, can be compatible with use HomeplugAV and Homeplug Green PHY technical solutions equipment the features such as, be that HOC is used for
Internet and the optimal technical solution of voice traffic transmission.
POE (Power Over Ethernet) refers to transmitting DC power supply to terminal device by existing Ethernet,
It is an electric power system based on LAN and can guarantee the normal operation of all business of existing Ethernet.The technical bid of POE
Quasi- most critical and most wide IEEE 802.3af and the IEEE 802.3at of purposes, these standards are increased in 802.3 technical foundation
Network straight line supply standard is added, has been one of existing ethernet standard and extends the international standard for having also served as power distribution.HOC
Outdoor equipment is powered using outdoor unit of the POE technologies directly to the LTE communication apparatus of 3G/4G, is played power supply and is changed interconnection
The purpose that net, voice signal do not delay.
The content of the invention
The purpose of the present invention is to solve the power supplies to LTE equipment, use coaxial network transmission ethernet signal, satellite
Vision signal and zapping control signal can be realized in the situation for not doing the transformation of any network and house and internet believed
Number, voice signal and video signal transmission to interior, power delivery to outdoor.
The technical proposal for solving the technical problem of the invention is：
The present invention includes indoor type equipment and outdoor version equipment.The indoor type equipment by HomeplugAV2 systems,
Indoor type power-supply system, satellite video zapping controlling transmission system and diplexer system composition.The outdoor version equipment by
HomeplugAV2 systems, POE power-supply systems, satellite video control and electric power system and diplexer system composition.Indoor type power supply
System exports 38V/48V bipolarity DC power supplies after obtaining alternating current, and exports 12V DC power supply to indoor type equipment
HomeplugAV2 systems export 3.3V DC power supplies and give satellite video zapping controlling transmission system；The control of satellite video zapping passes
When defeated system receives the power supply signal of satellite set top box 13V, export low level and give indoor type equipment power-supply system；When output ratio
When receiving the power supply signal of satellite set top box 18V compared with circuit, export high level and give indoor type equipment power-supply system. 38V/48V
Bipolarity DC power supply is transferred to Coaxial Network after the diplexer system frequency division multiplexing by indoor type equipment, is transmitted by Coaxial Network
To the diplexer system of outdoor version equipment；The diplexer system of outdoor version equipment gives 38V/48V bipolarity transmitting DCs
Satellite video control and electric power system and POE power-supply systems.Satellite video controls and electric power system is 38V/48V bipolarity direct currents
Power voltage step down generates 12V DC power supply and 13V/18V bipolar power supplies are respectively transmitted to the HomeplugAV2 of outdoor version equipment
System and diplexer system, while filter and obtain zapping control signal transmission to the diplexer system of outdoor version equipment, 13V/18V
Bipolar power supply and zapping control signal are transmitted to satellite pot equipment by the diplexer system of outdoor version equipment；38V/48V is bipolar
Property transmitting DC to after POE power-supply systems by voltage stabilizing into the DC power supply of 48V, 0.5A, outdoor version equipment
HomeplugAV2 systems connect after obtaining the connection signal of LTE equipment to one power supply signal of POE power-supply systems, POE power-supply systems
Logical 48V, 0.5A DC power supply is powered by cable in addition to LTE equipment, and POE power-supply systems are the power supply state to LTE equipment
It is transferred to PHY chip in HomeplugAV2 systems.Set-top box zapping control signal is passed by the diplexer system of indoor type equipment
Be defeated by the satellite video zapping controlling transmission system of indoor type equipment, the filtering by satellite video zapping controlling transmission system and
Coaxial Network is transferred to by the diplexer system of indoor type equipment again after amplification, is then transferred to the duplexer system of outdoor version equipment
Satellite pot equipment is transferred to through satellite video control and electric power system after system filtering, the answer signal of satellite pot equipment is through outdoor version
The diplexer system of equipment passes the diplexer system of outdoor version equipment back after being separated to satellite video control and electric power system, then
Diplexer system successively through Coaxial Network and indoor type equipment returns to set-top box；The HomeplugAV2 systems of indoor type equipment
The digital ethernet signal obtained from home gateway is modulated into diplexer system of the modulated-analog signal by indoor type equipment
Coaxial Network is transferred to, the diplexer system of outdoor version equipment is transferred to by Coaxial Network, then is transferred to outdoor version equipment
Modulated-analog signal is demodulated to digital ethernet signal and is finally transferred to LTE equipment by HomeplugAV2 systems, on the contrary from LTE
The digital ethernet signal that equipment comes out is modulated into modulated-analog signal after the HomeplugAV2 systems by outdoor version equipment,
Coaxial Network is transferred to from the diplexer system of outdoor version equipment again, the duplexer system of indoor type equipment is transferred to by Coaxial Network
System, finally the HomeplugAV2 Demodulation Systems by indoor type system are into being transferred to set-top box device after digital ethernet signal.
The HomeplugAV2 systems of the indoor type equipment and the HomeplugAV2 systems of outdoor version equipment are completely the same,
It is made of ARM embedded chips, Flash chip, ISL amplifier chips and PHY chip.PHY chip and ARM embedded chips lead to
The docking of RGMII interfaces is crossed, Flash chip and ARM embedded chips are docked by SPI interface, ISL amplifier chips and ARM insertions
Formula chip is docked by AC/DC interfaces.When Ethernet digital signal is transmitted from outdoor version equipment to indoor type equipment：LTE equipment
Ethernet digital data transmission to the PHY chip of outdoor version equipment, the PHY chip in outdoor version equipment is ether network data
Signal is defeated by ARM embedded chips by RMII oral instructions, and ARM embedded chips are Ethernet digital signal modulated into analog-modulated
Signal simultaneously passes through AC/DC interfaces and is transferred to ISL amplifier chips, and ISL amplifier chips amplify modulated-analog signal and pass through duplex
It is transferred to after device system filter on Coaxial Network；Modulated-analog signal after being amplified and filtered in coaxial transfers on network and is transmitted to room
The diplexer system of inner mold equipment filters out the interference ripple of other frequency ranges, and the HomeplugAV2 systems of type equipment indoors
ISL amplifier chips signal is amplified, arm processor is transferred to by AD/DC interfaces, modulated-analog signal is in arm processor
In be demodulated to Ethernet digital signal and pass through RMII oral instructions and be defeated by PHY chip, then be transferred to home gateway from PHY chip and set
It is standby.When otherwise Ethernet digital signal is transmitted from indoor type equipment to outdoor version equipment：Family gateway equipment is ether network data
Signal transmission is to the PHY chip of indoor type equipment, RMII interfaces and is transferred to ARM embedded chips, then is passed by AC/DC interfaces
Enter Coaxial Network after being defeated by ISL amplifier chips, ISL amplifier chips, the AC/DC interfaces of outdoor version equipment are transferred to by Coaxial Network
After enter ARM embedded chips, be transferred to PHY chip using RMII interfaces finally gives LTE equipment signal transmission.
The indoor type equipment power-supply system is powered by 38/48V bipolar power supplies module, 12V power supply modules and 3.3V
Module forms.38/48V bipolar power supplies module is made of 48V power supplys transforming circuit, 38V power supplys transforming circuit and rectification circuit.
Alternating current becomes high-voltage DC power supply after entering rectification circuit, when satellite video zapping controlling transmission system exports high level
48V power supply transforming circuits work and export 48V DC power supplies, 38V during satellite video zapping controlling transmission system output low level
Power supply transforming circuit works and exports 38V DC power supplies, 48V DC power supplies or 38V DC power supplies by the double of indoor type equipment
Coaxial Network is transferred to after work device system, is then transferred to outdoor version equipment.48V DC power supplies or 38V DC supply inputs are to 12V
12V DC power supply is reduced after power supply module, supplies the HomeplugAV2 systems of indoor type equipment.12V DC power input
It is depressurized to 3.3V power supply modules and exports 3.3V DC power supplies, supply the satellite video zapping controlling transmission of indoor type equipment
System.
The satellite video zapping controlling transmission system is made of output comparison circuit and zapping control circuit.Work as output
When comparison circuit receives the power supply signal of satellite set top box 13V, export low level and give indoor type equipment power-supply system；Work as output
When comparison circuit receives the power supply signal of satellite set top box 18V, export high level and give indoor type equipment power-supply system.Zapping control
Control signal that circuit processed inputs satellite set top box is filtered and amplification after the control signal of out 22KHz get in type
The diplexer system of equipment is transferred to Coaxial Network, and the diplexer system of outdoor version equipment, quilt are entered after being transmitted by Coaxial Network
Satellite pot equipment is passed to after the diplexer system filtering of outdoor version equipment.The signal of satellite pot equipment response is set by outdoor version
Standby diplexer system is transferred to the diplexer system of indoor type equipment, then the duplexer by indoor type equipment by Coaxial Network
System is transferred to zapping control circuit and is finally transferred to satellite set top box.
The diplexer system of the indoor type equipment and outdoor version equipment is completely the same, including low-frequency filter circuit,
Intermediate-frequency filter circuit and high-frequency filter circuit.Zapping control signal and electricity are carried out between low-frequency filter circuit and Coaxial Network
Source is transmitted, and modulated-analog signal transmission is carried out between intermediate-frequency filter and Coaxial Network.The high frequency filter of outdoor version equipment will be defended
The satellite video signal of star pot equipment is transmitted to the high frequency filter of indoor type equipment, the high frequency filter of indoor type equipment by Coaxial Network
Ripple device is by satellite video signal transmitting satellite set-top box.
The POE power-supply systems are made of regulator circuit and PSE control circuits.It is transmitted from indoor type equipment
48V DC power supplies or 38V DC power supplies are output to regulator circuit after the duplexer by outdoor version equipment, 48V DC power supplies or
38V DC power supplies become the DC power supply of 48V, 0.5A after the voltage stabilizing of regulator circuit.PSE control circuits are set by outdoor version
The control of PHY chip in standby HomeplugAV2 systems is generated when PHY chip connects the network interface of the outdoor unit of upper LTE equipment
One power supply signal for completing docking is transferred to PSE control circuits, and PSE control circuits open regulator circuit and pass through ethernet line
The DC power supply of 48V, 0.5A are exported and give LTE equipment；PSE control circuits give the signal transmission of regulator circuit on off state
HomeplugAV2 systems.
The satellite video control and electric power system are by 13/18V bipolar power supplies module, zapping control module and 12V
Power supply module forms.13/18V bipolar power supplies module is made of 13V power supplys transforming circuit and 18V power supply transforming circuits；Work as room
When the diplexer system of external form equipment is transmitted through coming 48V DC power supplies, 18V power supplys transforming circuit, which is depressured 48V DC power supplies, to be stablized
For the power supply of 18V, 0.3A；When the diplexer system of outdoor version equipment is transmitted through coming 38V DC power supplies, 13V power supply transforming circuits
The decompression of 38V DC power supplies is stabilized to the power supply of 13V, 0.3A.Zapping control module passes the diplexer system of outdoor version equipment
The defeated zapping control signal to come is separated and together with 13V power supplys or 18V power supplys by the duplexer system of outdoor version equipment
System is transferred to satellite pot equipment, otherwise the answer signal exported from satellite pot is transmitted to by the diplexer system of outdoor version equipment and changed
Platform control module, zapping control module isolate the diplexer system for passing outdoor version equipment after answer signal back, and through Coaxial Network
It is transmitted to the diplexer system of indoor type equipment.The 38V direct currents that 12V power supply modules are transmitted through the diplexer system of outdoor version equipment to come
Power supply or 48V current and power supplies are depressured to 12V DC power supply, and supply the HomeplugAV2 systems of outdoor version equipment.
Beneficial effects of the present invention：
Using Coaxial Network transmission ethernet signal, satellite video signal and zapping control signal, do not do any network and
The situation of building reconstruction can realize an internet signal, voice signal and video signal transmission to interior, power delivery
To outdoor.
Description of the drawings
Fig. 1 is the whole system structure chart of the present invention；
Fig. 2 is the HomeplugAV2 system structure diagrams of the present invention；
Fig. 3 is the indoor type equipment power system structure schematic diagram of the present invention；
Fig. 4 is the satellite video zapping controlling transmission system structure diagram of the present invention；
Fig. 5 is the diplexer system structure diagram of the present invention；
Fig. 6 is the POE power system structure schematic diagrames of the present invention；
Fig. 7 is the satellite video control of the present invention and electric power system structure diagram.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, the equipment for realizing LTE communications and satellite video transmission, including indoor type device A and outdoor version equipment
B.Indoor type equipment is by HomeplugAV2 systems 1, indoor type power-supply system 2, satellite video zapping controlling transmission system 3 and double
Work device system 4 forms.Outdoor version equipment is controlled by HomeplugAV2 systems 1, POE power-supply systems 5, satellite video and power supply is
System 6 and diplexer system 4 form.Indoor type power-supply system exports 38V/48V bipolarity DC power supplies after obtaining alternating current, and defeated
Go out HomeplugAV2 system of the 12V DC power supply to indoor type equipment, export 3.3V DC power supplies and controlled to satellite video zapping
Transmission system；When satellite video zapping controlling transmission system receives the power supply signal of satellite set top box 13V, export low level to
Indoor type equipment power-supply system；When export comparison circuit receive the power supply signal of satellite set top box 18V when, export high level to
Indoor type equipment power-supply system.After diplexer system frequency division multiplexing of the 38V/48V bipolaritys DC power supply by indoor type equipment
Coaxial Network is transferred to, the diplexer system of outdoor version equipment is transferred to by Coaxial Network；The diplexer system handle of outdoor version equipment
38V/48V bipolaritys transmitting DC is to satellite video control and electric power system and POE power-supply systems.Satellite video control and
38V/48V bipolaritys DC power supply is depressured generation 12V DC power supply to electric power system and 13V/18V bipolar power supplies pass respectively
Defeated HomeplugAV2 systems and diplexer system to outdoor version equipment, while filter and obtain zapping control signal transmission to room
The duplexer system that the diplexer system of external form equipment, 13V/18V bipolar power supplies and zapping control signal pass through outdoor version equipment
System is transmitted to satellite pot equipment；38V/48V bipolaritys transmitting DC to after POE power-supply systems by voltage stabilizing into the straight of 48V, 0.5A
Galvanic electricity source, the HomeplugAV2 systems of outdoor version equipment give POE power-supply systems one confession after obtaining the connection signal of LTE equipment
Electric signal, POE power-supply systems connect 48V, 0.5A DC power supply and are powered by cable in addition to LTE equipment, POE power-supply systems
Power supply state to LTE equipment is transferred to PHY chip in HomeplugAV2 systems.Set-top box zapping control signal passes through room
The diplexer system of inner mold equipment is transferred to the satellite video zapping controlling transmission system of indoor type equipment, is changed by satellite video
Coaxial Network is transferred to by the diplexer system of indoor type equipment again after the filtering and amplification of platform controlling transmission system, is then transmitted
To after the diplexer system filtering of outdoor version equipment satellite pot equipment, satellite pot are transferred to through satellite video control and electric power system
The answer signal of equipment passes outdoor back after the diplexer system of outdoor version equipment is controlled to satellite video and electric power system separates
The diplexer system of type equipment, then the diplexer system successively through Coaxial Network and indoor type equipment return to set-top box；It is indoor
The digital ethernet signal obtained from home gateway is modulated into modulated-analog signal and passed through by the HomeplugAV2 systems of type equipment
The diplexer system of indoor type equipment is transferred to Coaxial Network, and the diplexer system of outdoor version equipment is transferred to by Coaxial Network, then
Modulated-analog signal is demodulated to digital ethernet signal and is finally transferred to by the HomeplugAV2 systems for being transferred to outdoor version equipment
LTE equipment, on the contrary it is adjusted after the HomeplugAV2 systems from the digital ethernet signal that LTE equipment comes out by outdoor version equipment
Modulated-analog signal is made, then Coaxial Network is transferred to from the diplexer system of outdoor version equipment, interior is transferred to by Coaxial Network
The diplexer system of type equipment, finally the HomeplugAV2 Demodulation Systems by indoor type system are into after digital ethernet signal
It is transferred to set-top box device.
As shown in Fig. 2, the HomeplugAV2 systems of indoor type equipment and the HomeplugAV2 systems of outdoor version equipment are complete
It is complete consistent, it is made of ARM embedded chips 1-1, Flash chip 1-2, ISL amplifier chip 1-3 and PHY chip 1-4.ARM
The dominant frequency of embedded chip is up to 400MHz and integrates DDR memory chips；Flash chip memory capacity is 16Mbit.PHY chip
It is docked with ARM embedded chips by RGMII interfaces, Flash chip and ARM embedded chips are docked by SPI interface, ISL
Amplifier chip and ARM embedded chips are docked by AC/DC interfaces.When ARM embedded chips work on power by SPI interface from
Flash chip import system softwares, ARM embedded chips write data to change system by SPI interface to Flash chip
Parameter.When signal is transmitted from outdoor version equipment to indoor type equipment：LTE equipment sets Ethernet digital data transmission to outdoor version
Ethernet digital signal is defeated by the embedded cores of ARM by standby PHY chip, the PHY chip in outdoor version equipment by RMII oral instructions
Piece, ARM embedded chips Ethernet digital signal modulated into modulated-analog signal and pass through AC/DC interfaces be transferred to ISL transport
Chip is put, ISL amplifier chips are amplified modulated-analog signal and are transferred to after being filtered by diplexer system on Coaxial Network.These
Modulated-analog signal after being amplified and filtered can decay and disturb after the long distance transmission of Coaxial Network, so analog-modulated is believed
The diplexer system for number initially entering indoor type equipment filters out the interference ripple of other frequency ranges, and in HomeplugAV2 systems
ISL amplifier chips signal amplified and passes through AD/DC interfaces be transferred to arm processor, modulated-analog signal is in arm processor
In be demodulated to Ethernet digital signal and pass through the PHY chip that the HomeplugAV2 systems of indoor type equipment are defeated by RMII oral instructions,
Again family gateway equipment is transferred to from PHY chip.When otherwise signal is transmitted from indoor type equipment to outdoor version equipment：Home gateway
Ethernet digital data transmission to the PHY chip of indoor type equipment, RMII interfaces and is transferred to ARM embedded chips by equipment,
Enter Coaxial Network after being transferred to ISL amplifier chips by AC/DC interfaces again, the ISL of outdoor version equipment is transferred to by Coaxial Network
ARM embedded chips are entered after amplifier chip, AC/DC interfaces, PHY chip is transferred to finally signal using RMII interfaces
It is transferred to LTE equipment.It is downlink signal that signal is transferred to indoor type equipment from outdoor version, otherwise signal is transferred to room from indoor type
External form is uplink signal, and the transmission in this 2 directions is two-way.
As shown in figure 3, indoor type equipment power-supply system by 38/48V bipolar power supplies module, 12V power supply modules 2-1 and
3.3V power supply modules 2-2 is formed；38/48V bipolar power supplies module is by 48V power supply transforming circuit 2-3,38V power supply transforming circuits
2-4 and rectification circuit 2-5 compositions.Indoor type equipment power-supply system is obtained after the AC power of alternating current through rectifier circuit rectifies into height
Straightening stream, 48V power supply transforming circuits work and export 48V direct currents during satellite video zapping controlling transmission system output high level
Source, 38V power supply transforming circuits work and export 38V DC power supplies during satellite video zapping controlling transmission system output low level,
48V DC power supplies or 38V DC power supplies are transferred to Coaxial Network after the diplexer system by indoor type equipment, are then transferred to room
External form equipment.48V DC power supplies or 38V DC supply inputs are to being reduced 12V DC power supplies, supply chamber after 12V power supply modules
The HomeplugAV2 systems of inner mold equipment.12V DC power input is depressurized to 3.3V power supply modules and exports 3.3V direct currents
Source supplies the satellite video zapping controlling transmission system of indoor type equipment.
As shown in figure 4, satellite video zapping controlling transmission system is by output comparison circuit 3-1 and zapping control circuit 3-2
Platform control is cut in composition, the output comparison circuit control specific output valve of 38V/48V bipolar power supplies, the output of zapping control circuit
Signal is input to Coaxial Network by diplexer system.
As shown in figure 5, the diplexer system of indoor type equipment and outdoor version equipment is completely the same, including low-frequency filter
Circuit 4-1, intermediate-frequency filter circuit 4-2 and high-frequency filter circuit 4-3.Low-frequency filter circuit permission 0MHz-2MMHz's is low
Frequency range is by the way that intermediate-frequency filter circuit allows the frequency range of 7.5MHz-88MHz by the way that high-frequency filter circuit allows 905MHz-
The frequency range of 2200MHz passes through.Zapping control signal and power delivery, high frequency filter are carried out between low-frequency filter circuit and Coaxial Network
Satellite TV's video signal transmission is carried out between ripple device and Coaxial Network, modulated-analog signal biography is carried out between intermediate-frequency filter and Coaxial Network
It is defeated.
As shown in fig. 6, POE power-supply systems are made of regulator circuit 5-1 and PSE control circuit 5-2, regulator circuit control
The voltage value of POE power-supply systems input, PSE control circuits can control the supply of power supply.
As shown in fig. 7, satellite video control and electric power system control mould by 13/18V bipolar power supply modules 6-1, zapping
Block 6-2 and 12V power supply module 6-3 is formed, and 13V/18V bipolar power supplies module provides power supply, 12V power supply moulds for satellite pot equipment
Block provides power supply for the HomeplugAV2 systems of outdoor version equipment, and zapping control module provides satellite pot zapping control signal.
The important technological parameters of the present invention are as follows：
1、POE：Power Over Ethernet, Power over Ethernet are a kind of a kind of confessions for transmitting power supply to device end
Power technology has two kinds of technical standards of IEEE 802.3AF and IEEE 802.3AT.
2、Homeplug：Home Plug PowerLine Alliance are international Powerline Alliance, and objective is joint
Include the leading company of the industries such as applying electronic, consumer electronics, software, hardware, retail, be directed to for various Internet appliance products
Establish open power line internet access criteria.Existing Homeplug 1.0, Homeplug BPL, Homeplug AV,
The standard techniques such as Homeplug AV2.
3、LTE：Long Tearm Evolution, the i.e. Long Term Evolution of Universal Mobile Telephony and upgrading, LTE networks have
Ability provides the speed of download of 300Mbit/s and the last time speed of 75Mbit/s.It can be real by QOS technologies under E-UTRA environment
Now it is less than the delay of 5ms, and provides and tell communication requirement on the move, supports multicast and broadcasting stream.Band spreading degree is good, supports
The seamless switching for the voice data that time division multiple acess, CDMA and the CDMA2000 of 1.4MHz to 20MHz is provided.
4th, satellite pot：Satellite pot is exactly a metal parabola, is responsible for satellite-signal being reflected into burnt positioned at satellite antenna
In feed and tuner at point.The effect of satellite pot is to collect the small-signal transmitted by satellite, and is eliminated as much as noise.
Claims (7)
1. the equipment for realizing LTE communications and satellite video transmission, including indoor type equipment and outdoor version equipment, it is characterised in that：
The indoor type equipment is by HomeplugAV2 systems, indoor type power-supply system, satellite video zapping controlling transmission system and double
Work device system forms；The outdoor version equipment is controlled by HomeplugAV2 systems, POE power-supply systems, satellite video and power supply
System and diplexer system composition；Indoor type power-supply system exports 38V/48V bipolarity DC power supplies after obtaining alternating current, and defeated
Go out HomeplugAV2 system of the 12V DC power supply to indoor type equipment, export 3.3V DC power supplies and controlled to satellite video zapping
Transmission system；When satellite video zapping controlling transmission system receives the power supply signal of satellite set top box 13V, export low level to
Indoor type equipment power-supply system；When export comparison circuit receive the power supply signal of satellite set top box 18V when, export high level to
Indoor type equipment power-supply system；After diplexer system frequency division multiplexing of the 38V/48V bipolaritys DC power supply by indoor type equipment
Coaxial Network is transferred to, the diplexer system of outdoor version equipment is transferred to by Coaxial Network；The diplexer system handle of outdoor version equipment
38V/48V bipolaritys transmitting DC is to satellite video control and electric power system and POE power-supply systems；Satellite video control and
38V/48V bipolaritys DC power supply is depressured generation 12V DC power supply to electric power system and 13V/18V bipolar power supplies transmit respectively
To the HomeplugAV2 systems and diplexer system of outdoor version equipment, while filter and obtain zapping control signal transmission to outdoor
The diplexer system that the diplexer system of type equipment, 13V/18V bipolar power supplies and zapping control signal pass through outdoor version equipment
It is transmitted to satellite pot equipment；38V/48V bipolaritys transmitting DC to after POE power-supply systems by voltage stabilizing into the direct current of 48V, 0.5A
Power supply, the HomeplugAV2 systems of outdoor version equipment give POE power-supply systems one power supply after obtaining the connection signal of LTE equipment
Signal, POE power-supply systems connect 48V, 0.5A DC power supply and are powered by cable in addition to LTE equipment, and POE power-supply systems handle is given
The power supply state of LTE equipment is transferred to PHY chip in HomeplugAV2 systems；Set-top box zapping control signal passes through indoor type
The diplexer system of equipment is transferred to the satellite video zapping controlling transmission system of indoor type equipment, by satellite video zapping control
Coaxial Network is transferred to by the diplexer system of indoor type equipment again after the filtering and amplification of Transmission system processed, is then transferred to room
After the diplexer system filtering of external form equipment satellite pot equipment, satellite pot equipment are transferred to through satellite video control and electric power system
Answer signal through the diplexer system of outdoor version equipment controlled to satellite video and electric power system separation after pass outdoor version back and set
Standby diplexer system, then the diplexer system successively through Coaxial Network and indoor type equipment return to set-top box；Indoor type is set
The digital ethernet signal obtained from home gateway is modulated into modulated-analog signal and passes through interior by standby HomeplugAV2 systems
The diplexer system of type equipment is transferred to Coaxial Network, and the diplexer system of outdoor version equipment is transferred to by Coaxial Network, then transmits
Modulated-analog signal is demodulated to digital ethernet signal and is finally transferred to LTE by the HomeplugAV2 systems to outdoor version equipment
Equipment, on the contrary it is modulated into after the HomeplugAV2 systems from the digital ethernet signal that LTE equipment comes out by outdoor version equipment
Modulated-analog signal, then Coaxial Network is transferred to from the diplexer system of outdoor version equipment, being transferred to indoor type by Coaxial Network sets
Standby diplexer system, finally the HomeplugAV2 Demodulation Systems by indoor type system are into transmitting after digital ethernet signal
To set-top box device.
2. the equipment according to claim 1 for realizing LTE communications and satellite video transmission, it is characterised in that：The interior
The HomeplugAV2 systems of type equipment and the HomeplugAV2 systems of outdoor version equipment are completely the same, by the embedded cores of ARM
Piece, Flash chip, ISL amplifier chips and PHY chip composition；PHY chip and ARM embedded chips pass through RGMII interfaces pair
It connects, Flash chip and ARM embedded chips are docked by SPI interface, and ISL amplifier chips and ARM embedded chips pass through AC/
DC interfaces dock；When Ethernet digital signal is transmitted from outdoor version equipment to indoor type equipment：LTE equipment believes ether network data
Number it is transferred to the PHY chip of outdoor version equipment, Ethernet digital signal is passed through RMII oral instructions by the PHY chip in outdoor version equipment
ARM embedded chips are defeated by, Ethernet digital signal modulated into modulated-analog signal and is passed through AC/DC by ARM embedded chips
Interface is transferred to ISL amplifier chips, and ISL amplifier chips are amplified modulated-analog signal and transmitted after being filtered by diplexer system
Onto Coaxial Network；Modulated-analog signal after being amplified and filtered is in coaxial transfers on network and is transmitted to the duplexer of indoor type equipment
System filters out the interference ripple of other frequency ranges, and the ISL amplifier chips handle letter of the HomeplugAV2 systems of type equipment indoors
Number amplification, arm processor is transferred to by AD/DC interfaces, modulated-analog signal is demodulated to ether network data in arm processor
Signal simultaneously passes through RMII oral instructions and is defeated by PHY chip, then is transferred to family gateway equipment from PHY chip；Otherwise ether network data letter
When number being transmitted from indoor type equipment to outdoor version equipment：Family gateway equipment gives indoor type equipment Ethernet digital data transmission
PHY chip, RMII interfaces and be transferred to ARM embedded chips, then by AC/DC interfaces to be transferred to ISL amplifier chips laggard
Enter Coaxial Network, the embedded cores of ARM are entered after being transferred to the ISL amplifier chips of outdoor version equipment, AC/DC interfaces by Coaxial Network
Piece is transferred to PHY chip using RMII interfaces and finally gives LTE equipment signal transmission.
3. the equipment according to claim 1 for realizing LTE communications and satellite video transmission, it is characterised in that：The room
Inner mold equipment power-supply system is made of 38/48V bipolar power supplies module, 12V power supply modules and 3.3V power supply modules；38/48V is double
Polarity power module is made of 48V power supplys transforming circuit, 38V power supplys transforming circuit and rectification circuit；Alternating current enters rectification
Become high-voltage DC power supply, 48V power supply transforming circuit works when satellite video zapping controlling transmission system exports high level after circuit
Make and export 48V DC power supplies, 38V power supplys transforming circuit works simultaneously when satellite video zapping controlling transmission system exports low level
38V DC power supplies are exported, 48V DC power supplies or 38V DC power supplies are transferred to together after the diplexer system by indoor type equipment
Axis net is then transferred to outdoor version equipment；48V DC power supplies or 38V DC supply inputs are to being reduced after 12V power supply modules
12V DC power supply supplies the HomeplugAV2 systems of indoor type equipment；12V DC power input is dropped to 3.3V power supply modules
It presses and exports 3.3V DC power supplies, supply the satellite video zapping controlling transmission system of indoor type equipment.
4. the equipment according to claim 1 for realizing LTE communications and satellite video transmission, it is characterised in that：Described defends
Star video zapping controlling transmission system is made of output comparison circuit and zapping control circuit；It is defended when output comparison circuit receives
During the power supply signal of star set-top box 13V, export low level and give indoor type equipment power-supply system；It is defended when output comparison circuit receives
During the power supply signal of star set-top box 18V, export high level and give indoor type equipment power-supply system；Zapping control circuit is subhost top
The filtered diplexer system that type equipment is got in the control signal that 22KHz is come out after amplification of control signal of box input
Coaxial Network is transferred to, the diplexer system of outdoor version equipment is entered after being transmitted by Coaxial Network, by the duplex of outdoor version equipment
Satellite pot equipment is passed to after the filtering of device system；The signal of satellite pot equipment response by the diplexer system of outdoor version equipment,
The diplexer system of indoor type equipment is transferred to by Coaxial Network, then zapping control is transferred to by the diplexer system of indoor type equipment
Circuit processed is finally transferred to satellite set top box.
5. the equipment according to claim 1 for realizing LTE communications and satellite video transmission, it is characterised in that：The interior
The diplexer system of type equipment and outdoor version equipment is completely the same, including low-frequency filter circuit, intermediate-frequency filter circuit and
High-frequency filter circuit；Zapping control signal and power delivery, intermediate frequency filtering are carried out between low-frequency filter circuit and Coaxial Network
Modulated-analog signal transmission is carried out between device and Coaxial Network；The high frequency filter of outdoor version equipment regards the satellite of satellite pot equipment
Frequency signal is transmitted to the high frequency filter of indoor type equipment by Coaxial Network, and the high frequency filter of indoor type equipment believes satellite video
Number transmitting satellite set-top box.
6. the equipment according to claim 1 for realizing LTE communications and satellite video transmission, it is characterised in that：The POE
Power-supply system is made of regulator circuit and PSE control circuits；The 48V DC power supplies or 38V transmitted from indoor type equipment is straight
Galvanic electricity source is output to regulator circuit after the duplexer by outdoor version equipment, 48V DC power supplies or 38V DC power supplies pass through voltage stabilizing
Become the DC power supply of 48V, 0.5A after the voltage stabilizing of circuit；PSE control circuits are in by the HomeplugAV2 systems of outdoor version equipment
The control of PHY chip generates the confession telecommunications for completing docking when PHY chip connects the network interface of the outdoor unit of upper LTE equipment
PSE control circuits number are transferred to, PSE control circuits open regulator circuit and simultaneously pass through DC power supply of the ethernet line 48V, 0.5A
It exports and gives LTE equipment；PSE control circuits give the signal transmission of regulator circuit on off state to HomeplugAV2 systems.
7. the equipment according to claim 1 for realizing LTE communications and satellite video transmission, it is characterised in that：Described defends
Star video controls and electric power system is made of 13/18V bipolar power supplies module, zapping control module and 12V power supply modules；13/
18V bipolar power supplies module is made of 13V power supplys transforming circuit and 18V power supply transforming circuits；When the duplexer of outdoor version equipment
When system is transmitted through coming 48V DC power supplies, 18V power supplys transforming circuit stabilizes to the decompression of 48V DC power supplies the power supply of 18V, 0.3A；
When the diplexer system of outdoor version equipment is transmitted through coming 38V DC power supplies, 13V power supplys transforming circuit is depressured 38V DC power supplies
Stabilize to the power supply of 13V, 0.3A；The zapping that zapping control module transmits the diplexer system of outdoor version equipment controls letter
It number separates and satellite pot equipment is transferred to by the diplexer system of outdoor version equipment together with 13V power supplys or 18V power supplys,
Otherwise it is transmitted to zapping control module, zapping control from the answer signal that satellite pot exports by the diplexer system of outdoor version equipment
Module isolates the diplexer system for passing outdoor version equipment after answer signal back, and the duplex of indoor type equipment is transmitted to through Coaxial Network
Device system；The diplexer system of outdoor version equipment is transmitted through the 38V DC power supplies come to 12V power supply modules or 48V current and power supplies drop
12V DC power supply is pressed onto, and supplies the HomeplugAV2 systems of outdoor version equipment.
Priority Applications (1)
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| CN201711405256.0A CN108111792B (en) | 2017-12-22 | 2017-12-22 | Device for realizing LTE communication and satellite video transmission |
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| CN201711405256.0A CN108111792B (en) | 2017-12-22 | 2017-12-22 | Device for realizing LTE communication and satellite video transmission |
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| CN108111792B CN108111792B (en) | 2023-08-29 |
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| CN108111792B (en) | 2023-08-29 |
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