CN106160792A - Antenna assembly and spaced antenna room subsystem - Google Patents

Antenna assembly and spaced antenna room subsystem Download PDF

Info

Publication number
CN106160792A
CN106160792A CN201510171105.8A CN201510171105A CN106160792A CN 106160792 A CN106160792 A CN 106160792A CN 201510171105 A CN201510171105 A CN 201510171105A CN 106160792 A CN106160792 A CN 106160792A
Authority
CN
China
Prior art keywords
signal
antenna assembly
force
electric lines
submodule
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510171105.8A
Other languages
Chinese (zh)
Inventor
毕奇
佘小明
陈鹏
刘洋
李欣
王达
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Telecom Corp Ltd
Original Assignee
China Telecom Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Telecom Corp Ltd filed Critical China Telecom Corp Ltd
Priority to CN201510171105.8A priority Critical patent/CN106160792A/en
Publication of CN106160792A publication Critical patent/CN106160792A/en
Pending legal-status Critical Current

Links

Abstract

The invention discloses a kind of antenna assembly and spaced antenna room subsystem, its antenna assembly includes: radio-frequency module carries out the transmitting-receiving of wireless signal;The transmission of wireless signals that radio-frequency module is received by electric lines of force by power line carrier module is to base station, and the signal of base station transmission is sent to radio-frequency module;Voltage on electric lines of force is converted to running voltage by power module, powers for this antenna assembly.The antenna assembly of the present invention and spaced antenna room subsystem, the deployment of room subsystem can be simplified, effectively reduce indoor distributed system and dispose difficulty, utilize indoor power line as the in-door covering medium of cellular system, to be substantially reduced the engineering difficulty such as track laying when room subsystem is disposed, device structure is simple, low cost, the different covering demands under the requirement of flexible deployment and concealed deployment, and different scene can be met.

Description

Antenna assembly and spaced antenna room subsystem
Technical field
The present invention relates to wireless communication technology field, particularly relate to a kind of antenna assembly and distributed sky Line room subsystem.
Background technology
Along with developing rapidly of wireless communication technology, with image, video and internet browsing etc. it is Main multimedia service becomes the main business demand of current mobile user, its data traffic demand with Day increase severely, therefore, how to provide the user speed faster, more be connected to become future The main target of Generation Mobile Communication System evolution during 5G.Meanwhile, highlighted in the 4G LTE epoch In-door covering problem will be still severe in the 5G epoch.At present, in-door covering is not enough: statistical table Bright, the wireless traffic of 70% and the data service of 90% occur in indoor, and LTE/LTE-Advanced arranges net the stage, because the deployment frequency range of LTE is higher, faces indoor and covers Cover limited situation;Because frequency spectrum resource is rare, it is contemplated that 5G network design also will face high frequency cloth The limited problem of in-door covering that guipure comes.
Spaced antenna (DAS) room subsystem, as it is shown in figure 1, can effective letter in decontamination chamber Number blind area, improves the network coverage, solves signal distributions inequality problem in building simultaneously, improves and use Family speech quality.Compared with integration Pico and distributed Pico, DAS has small configuration cost Advantage, has bigger application prospect in following network design.But, at present for DAS System deployment difficulty is the biggest: need Zheng Zhuan building does rewiring construction, process complexity duration Long;It addition, dispose indoor distributed system to need to do the co-ordination of more non-technical, consumed Greatly;Being limited to the deployment scope of feeder cable, construction complexity, the cycle is longer, relatively costly.
Summary of the invention
In view of this, the technical problem that the invention solves the problems that is to provide a kind of antenna assembly, logical Cross electric lines of force carry out signal transmission with base station and electric power is provided.
A kind of antenna assembly, including: radio-frequency module, for carrying out the transmitting-receiving of wireless signal;Electric power Carrier module, for the transmission of wireless signals that received by described radio-frequency module by electric lines of force to base Stand, and the signal that base station sends is sent to described radio-frequency module;Power module, for by institute The voltage stated on electric lines of force is converted to running voltage, powers for this antenna assembly.
According to one embodiment of present invention, further, also include: be used for and described electric power The jack apparatus that line connects;Described jack apparatus includes: attaching plug, screwed socket, lamp socket Plug.
According to one embodiment of present invention, further, described power line carrier module includes: Filtering submodule, mixing submodule, power amplifier submodule;The signal that base station sends passes through electric lines of force Enter described filtering submodule to be filtered, after filtering after the local oscillation signal of signal and local oscillator Generating radiofrequency signal through the mixing of described mixing submodule, described radiofrequency signal is through described power amplifier submodule Block is sent to described radio-frequency module after amplifying, described radio-frequency module launch described radiofrequency signal.
According to one embodiment of present invention, further, described power line carrier module is also wrapped Include: low noise amplifies submodule;The signal that described radio-frequency module receives enters described low noise and amplifies submodule Block processes, and the signal after process generates intermediate-freuqncy signal, institute after described mixing submodule is mixed State intermediate-freuqncy signal to pass through after the filtering of described filtering submodule and described power amplifier submodule processing and amplifying Described electric lines of force is sent to base station.
According to one embodiment of present invention, further, on described electric lines of force in transmission Frequently signal includes: LTE-TDD signal, LTE-FDD signal;Described radio-frequency module receive and The radiofrequency signal sent includes: LTE-TDD signal, LTE-FDD signal.
According to one embodiment of present invention, further, described power module is by described electric power Alternating voltage on line is converted to DC voltage.
Another technical problem that the invention solves the problems that is to provide a kind of spaced antenna room subsystem, Antenna assembly is carried out signal transmission by electric lines of force and base station and is provided electric power.
A kind of spaced antenna room subsystem, including: antenna assembly as above.
According to one embodiment of present invention, further, described antenna assembly is arranged on building Inside thing, the electric lines of force for the electric power supply of interior of building installation is connected with described antenna assembly.
According to one embodiment of present invention, further, described antenna assembly is arranged on electrical equipment In, it is connected by electric lines of force with the interface arrangement being arranged within described electrical equipment, described interface arrangement Including: electric light screw socket, lamp socket socket.
According to one embodiment of present invention, further, described antenna assembly is arranged on electrical equipment Outward, it is connected by electric lines of force with the interface arrangement being arranged on outside described electrical equipment, described interface arrangement bag Include: supply socket.
According to one embodiment of present invention, further, described electrical equipment includes: lamp affixed to the ceiling, Corridor emergency light, LED.
According to one embodiment of present invention, further, described electrical equipment includes: on/off Switch;Controlled between described antenna assembly and base station by the opening and closing of described power on off switch Electric lines of force on-off.
The antenna assembly of the present invention and spaced antenna room subsystem, carried out with base station by electric lines of force Signal transmits and provides electric power, it is possible to simplify room subsystem deployment and can meet flexible deployment with Different covering demands under the requirement of concealed deployment, and different scene.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will The accompanying drawing used required in embodiment or description of the prior art is briefly described, aobvious and easy Insight, the accompanying drawing in describing below is only some embodiments of the present invention, common for this area From the point of view of technical staff, on the premise of not paying creative work, it is also possible to according to these accompanying drawings Obtain other accompanying drawing.
Fig. 1 is the schematic diagram of spaced antenna room of the prior art subsystem;Wherein, 1-is micro- Cellular basestation, 2,4,6-power splitters, 5,7,9-antenna assemblies, 8-is dry puts device;
Fig. 2 is the logic module block diagram of an embodiment of the antenna assembly according to the present invention;
Fig. 3 be the antenna assembly according to the present invention an embodiment in the patrolling of power line carrier module Collect module diagram;
Fig. 4 is the schematic diagram processing the signal of transmission on electric lines of force;
Fig. 5 is the schematic diagram processing the wireless signal received;
Fig. 6 is that the sky in an embodiment of the spaced antenna room subsystem according to the present invention is traditional thread binding Put the schematic diagram being combined with electrical equipment;
Fig. 7 A to 7C is the interface diagram being connected with electrical equipment for antenna assembly;
Fig. 8 is that the sky in an embodiment of the spaced antenna room subsystem according to the present invention is traditional thread binding Put the schematic diagram being combined with emergency light;
Fig. 9 is that the sky in an embodiment of the spaced antenna room subsystem according to the present invention is traditional thread binding The schematic diagram that the power switch put is connected with electric switch.
Detailed description of the invention
With reference to the accompanying drawings the present invention is described more fully, the example of the present invention is wherein described Property embodiment.Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the skill in the embodiment of the present invention Art scheme is clearly and completely described, it is clear that described embodiment is only the present invention one Section Example rather than whole embodiments.Based on the embodiment in the present invention, this area is general The every other embodiment that logical technical staff is obtained under not making creative work premise, all Belong to the scope of protection of the invention.Below in conjunction with each figure and embodiment to technical scheme Carry out many descriptions.
Electric lines of force is most basic facility and condition in the modern life and family, in indoor, electric power without Place does not exists, and utilizing power line communication to do indoor " last one kilometer " access has other technologies incomparable Advantage.
At present, have been directed towards power line communication (PLC) both at home and abroad to have carried out and study work widely Make, mainly include the arrowband power line communication of the technology such as supervisory control and data acquisition (SCADA) in intelligent grid field Technology, and solve the power-line broadband communication technology of broadband access.Power line communication reusable is existing Having electric lines of force resource, low cost, transfer rate, can in application up to 200Mbps-1Gbps Do supplementing of traditional communication.
As in figure 2 it is shown, the present invention provides a kind of antenna assembly 21, including: radio-frequency module 211, Power line carrier module 212 and power module 213.Radio-frequency module 211 carries out the receipts of wireless signal Send out.The wireless signal that radio-frequency module 211 is received by power line carrier module 212 by electric lines of force passes It is passed to base station, and the signal that base station sends is sent to radio-frequency module 211.Power module 213 Voltage on electric lines of force is converted to running voltage, powers for this antenna assembly 21.
Electric lines of force both can connect base station and antenna assembly 21, electric power as the transmission medium of signal Line can also be powered for antenna assembly 21.Power supply is had no special requirements by antenna assembly 21, typically DC low-voltage, such as, power module 213 provides direct current 15v voltage, in antenna assembly 21 Modules power.
Electric lines of force is joined directly together with antenna assembly 21, or is connected by socket, by socket even The form connect includes: supply socket form, electric light screw socket form, LED and daylight lamp socket Form etc..Antenna assembly 21 can be provided for the jack apparatus being connected with electric lines of force, and socket fills Put and include: attaching plug, screwed socket, socket adapter etc..
Antenna assembly in above-described embodiment, can simplify the deployment of room subsystem, effectively reduce reality Lower deployment cost needed for existing in-door covering and deployment cycle.This antenna assembly can also meet flexible portion Different covering demands under administration and the requirement of concealed deployment, and different scene.
Antenna assembly 21 is internally integrated radio-frequency module 211, and radio-frequency module 211 includes receiving, launching sky Line, for the transmitting-receiving of wireless signal.As shown in Figure 3,4, power line carrier module 212 includes: filter Marble module 215, mixing submodule 216, power amplifier submodule 217.The signal that base station sends passes through Electric lines of force enters filtering submodule 215 and is filtered, after filtering after the basis of signal and local oscillator The signal that shakes generates radiofrequency signal through mixing submodule 216 mixing, and radiofrequency signal is through power amplifier submodule It is sent to radio-frequency module 211 after 217 amplifications, radio-frequency module 211 launches radiofrequency signal.
Power line carrier module 212 also includes: low noise amplifies submodule 218.Low noise amplifies submodule Block 218 is the amplifier that noise coefficient is the lowest, be typically used as all kinds of radio receiver high frequency or Intermediate-frequency preamplifier, and the amplifying circuit of high sensitivity electron detection equipment.Such as Fig. 5 institute Showing, the signal that radio-frequency module 211 receives enters low noise amplification submodule 218 and processes, and processes After the local oscillation signal of signal and local oscillator after mixing submodule 216 mixing, generate intermediate-freuqncy signal, By electricity after intermediate-freuqncy signal submodule after filtering filtering 215 and power amplifier submodule 217 processing and amplifying The line of force is sent to base station, and signal can not also be amplified processing by power amplifier submodule 217.
Antenna assembly 21 is connected with mobile communication base station equipment by electric lines of force, and electric lines of force transmits Be mobile communication, such as LTE intermediate-freuqncy signal.Intermediate-freuqncy signal is mixing submodule 216 output One constant signal, i.e. frequency are the highest the lowest.For different patterns, intermediate-freuqncy signal There is different definition.Such as, for LTE-FDD system, up employing 30M-40MHz Transmission, descending employing 50M-60MHz transmits.Antenna end carries out before spacing wave sends and connects It is required for after receipts carrying out the frequency conversion between intermediate frequency and radio frequency (such as 2GHz).Such as: at electric lines of force The intermediate-freuqncy signal of upper transmission includes: LTE-TDD signal, LTE-FDD signal etc.;Radio frequency mould The radiofrequency signal that block receives and sends includes: LTE-TDD signal, LTE-FDD signal etc..
Antenna assembly 21 connects electric lines of force, and the function of antenna assembly 21 includes signal transmission and passes through Local oscillator is mixed, and local frequency is that indoor cellular covers frequency (such as LTE).Under considering Row signal transmission time, on electric lines of force transmission for meet (the 30MHz-that power line frequency carrier requires 100MHz) analogue signal, this signal enters antenna assembly 21 from electric lines of force, carries out signal amplification And after filtering, entering mixing submodule, power line frequency carrier signal is moved indoor cellular by this submodule Cover frequency (such as LTE), launched by radio-frequency module after being amplified filtering the most again Go.On antenna receive wireless signal after filtering with LNA after by mixing submodule by frequency Move on power line frequency carrier, go out through power line transmission after being amplified filtering.
The present invention provides a kind of spaced antenna room subsystem, including antenna assembly as above.Base station Signal return is done in equipment one end, and one end connects electric lines of force.Antenna assembly connects electric lines of force and does honeycomb The in-door covering of signal.Transmitting cellular analog signals in electric lines of force, electric lines of force replaces tradition DAS Feeding line portion in system, the analogue signal after transmission base station equipment modulation, bandwidth-intensive used exists 30MHz-100MHz.The analogue signal of power line transmission is filtered, is mixed by antenna assembly To eating dishes without rice or wine, frequency range is launched, with the wireless network terminal intercommunication such as LTE, it is achieved in-door covering.Antenna The wireless signal that device is launched is based on LTE, it is possible to compatible CDMA EVDO/WCDMA Transmit Deng multimode signal.
As shown in Figure 6, antenna assembly 51 is arranged on interior of building, installs for interior of building The electric lines of force of electric power supply be connected with antenna assembly 51.Antenna assembly 51 can be with ordinary appliances phase In conjunction with, including: lamp affixed to the ceiling 52, ceiling fan 53, emergency light 54, alarm 55, common lamp etc. Deng.Within antenna assembly 51 is placed in electric equipment or outside, the company of antenna assembly 51 and electrical equipment Connect and refer to and the connection of electric lines of force in electric equipment, can be to be directly connected to or pass through the corresponding interface Connect.
Antenna assembly 51 can be built in electric equipment, is connected by built-in interface, antenna assembly 51 are also placed in outside electric equipment, are connected by external interface.Such as, antenna assembly is arranged on In common lamp, lamp affixed to the ceiling, daylight lamp, by electric lines of force be arranged on common lamp, ceiling Interface arrangement within lamp, daylight lamp connects, as shown in Fig. 7 B, 7C, and common lamp, ceiling Interface arrangement within lamp, daylight lamp is electric light screw socket, lamp socket socket etc..Antenna assembly can also It is arranged on outside electrical equipment, is connected with the interface arrangement being arranged on outside electrical equipment by electric lines of force, such as Fig. 7 A Shown in, interface arrangement is supply socket etc..
As shown in Figure 8, antenna assembly 61 is arranged on the outside of emergency light 62, antenna assembly 61 It is connected with the electric lines of force within emergency light 62, by power line transmission signals and provide electric power, Power when can be applicable to long environment, such as emergency light environment, when meeting long, cover demand.Antenna assembly Power supply can consider only to switch and cross two kinds of switch.The former can keep continued power, it is achieved holds Continuous covering.The latter can switch as required, such as the closing switch when user leaves, i.e. Antenna assembly no longer works.As it is shown in figure 9, electrical equipment includes power on off switch 72, pass through power supply The opening and closing of on and off switch 72 control antenna assembly 71 and base station on-off, i.e. control electric power Can whether line connects, transmit signal and provide electric power.
The antenna assembly provided in above-described embodiment and spaced antenna room subsystem, it is possible to simplify room The deployment of subsystem, effectively reduces indoor distributed system and disposes difficulty, utilize house infrastructure- Electric lines of force, as the in-door covering medium of cellular system, will be substantially reduced line when room subsystem is disposed The engineering difficulty such as road laying.
The antenna assembly provided in above-described embodiment and spaced antenna room subsystem, with existing LTE/LTE-Advanced system standard is compatible, can do existing standard equipment and realize relevant setting Meter, completes the indoor covering system of existing network, and face the future 5G network simultaneously, can be with visible Effectively combination is done in optic communication.
The antenna assembly provided in above-described embodiment and spaced antenna room subsystem, device structure letter Single, low cost, can meet under the requirement of flexible deployment and concealed deployment, and different scene Different covering demands.
The method and system of the present invention may be achieved in many ways.Such as, can be by soft Part, hardware, firmware or software, hardware, any combination of firmware realize the side of the present invention Method and system.For the said sequence of step of method merely to illustrate, the present invention's The step of method is not limited to order described in detail above, unless specifically stated otherwise. Additionally, in certain embodiments, the present invention also can be embodied as the journey recorded in the recording medium Sequence, these programs include the machine readable instructions for realizing the method according to the invention.Cause And, the present invention also covers the record of the program for performing the method according to the invention that stores and is situated between Matter.
Description of the invention is given for the sake of example and description, and is not exhaustively Or it limit the invention to disclosed form.Many modifications and variations are for the common skill of this area It is obvious for art personnel.Selecting and describing embodiment is the principle in order to the present invention is more preferably described Apply with reality, and make those of ordinary skill in the art it will be appreciated that the present invention thus design is suitable The various embodiments with various amendments in special-purpose.

Claims (12)

1. an antenna assembly, it is characterised in that, including:
Radio-frequency module, for carrying out the transmitting-receiving of wireless signal;
Power line carrier module, for the wireless signal received by described radio-frequency module by electric lines of force It is transferred to base station, and the signal that base station sends is sent to described radio-frequency module;
Power module, for being converted to running voltage by the voltage on described electric lines of force, for this sky Line apparatus is powered.
2. antenna assembly as claimed in claim 1, it is characterised in that also include:
For the jack apparatus being connected with described electric lines of force;
Described jack apparatus includes: attaching plug, screwed socket, socket adapter.
3. antenna assembly as claimed in claim 1, it is characterised in that:
Described power line carrier module includes: filtering submodule, mixing submodule, power amplifier submodule Block;
The signal that base station sends enters described filtering submodule by electric lines of force and is filtered, and passes through Filtered signal generates radio frequency letter with the local oscillation signal of local oscillator through the mixing of described mixing submodule Number, described radiofrequency signal is sent to described radio-frequency module after described power amplifier submodule amplifies, by Described radio-frequency module launches described radiofrequency signal.
4. to ask the antenna assembly as described in 3 such as right, it is characterised in that:
Described power line carrier module also includes: low noise amplifies submodule;
The signal that described radio-frequency module receives enters described low noise amplification submodule and processes, and processes After signal through described mixing submodule be mixed after generate intermediate-freuqncy signal, described intermediate-freuqncy signal is through institute It is sent to by described electric lines of force after stating filtering submodule filtering and described power amplifier submodule processing and amplifying Base station.
5. antenna assembly as claimed in claim 4, it is characterised in that:
On described electric lines of force, the intermediate-freuqncy signal of transmission includes: LTE-TDD signal, LTE-FDD Signal;
The radiofrequency signal that described radio-frequency module receives and sends includes: LTE-TDD signal, LTE-FDD signal.
6. antenna assembly as claimed in claim 1, it is characterised in that:
Alternating voltage on described electric lines of force is converted to DC voltage by described power module.
7. a spaced antenna room subsystem, it is characterised in that:
Including: the antenna assembly as described in claim 1 to 6 any one.
8. spaced antenna room as claimed in claim 7 subsystem, it is characterised in that:
Described antenna assembly is arranged on interior of building;
Wherein, the electric lines of force of the electric power supply installed for interior of building is with described antenna assembly even Connect.
9. spaced antenna room as claimed in claim 8 subsystem, it is characterised in that:
Described antenna assembly is arranged in electrical equipment, leads to the interface arrangement being arranged within described electrical equipment Crossing electric lines of force to connect, described interface arrangement includes: electric light screw socket, lamp socket socket.
10. spaced antenna room as claimed in claim 8 subsystem, it is characterised in that:
Described antenna assembly is arranged on outside electrical equipment, passes through with the interface arrangement being arranged on outside described electrical equipment Electric lines of force connects, and described interface arrangement includes: supply socket.
The 11. spaced antenna room subsystems as described in claim 8 to 10 any one, its It is characterised by:
Described electrical equipment includes: lamp affixed to the ceiling, corridor emergency light, LED.
12. spaced antenna room as claimed in claim 8 subsystems, it is characterised in that:
Described electrical equipment includes: power on off switch;
Wherein, by the opening and closing of described power on off switch control described antenna assembly and base station it Between electric lines of force on-off.
CN201510171105.8A 2015-04-10 2015-04-10 Antenna assembly and spaced antenna room subsystem Pending CN106160792A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510171105.8A CN106160792A (en) 2015-04-10 2015-04-10 Antenna assembly and spaced antenna room subsystem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510171105.8A CN106160792A (en) 2015-04-10 2015-04-10 Antenna assembly and spaced antenna room subsystem

Publications (1)

Publication Number Publication Date
CN106160792A true CN106160792A (en) 2016-11-23

Family

ID=57335760

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510171105.8A Pending CN106160792A (en) 2015-04-10 2015-04-10 Antenna assembly and spaced antenna room subsystem

Country Status (1)

Country Link
CN (1) CN106160792A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110661562A (en) * 2018-06-30 2020-01-07 上海华为技术有限公司 Transmission system and transmission device for millimeter wave signals

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5832364A (en) * 1995-10-06 1998-11-03 Airnet Communications Corp. Distributing wireless system carrier signals within a building using existing power line wiring
CN101420251A (en) * 2007-10-25 2009-04-29 台达电子工业股份有限公司 Bridging apparatus for electric power network
CN103036595A (en) * 2012-12-07 2013-04-10 泉州泽仕通科技有限公司 Field intensity covering method based on power line transmission
CN103297987A (en) * 2013-06-05 2013-09-11 四川省韬光通信有限公司 Power line transmission based mobile communication indoor microdistribution system
CN103327508A (en) * 2013-07-09 2013-09-25 武汉虹信通信技术有限责任公司 Access system for transmitting wireless signals and Ethernet signals by power line
CN203911140U (en) * 2014-01-24 2014-10-29 万众科技有限公司 Intelligent socket
CN104243295A (en) * 2014-10-10 2014-12-24 国家电网公司 Intelligent gateway device based on double-network mixed communication

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5832364A (en) * 1995-10-06 1998-11-03 Airnet Communications Corp. Distributing wireless system carrier signals within a building using existing power line wiring
CN101420251A (en) * 2007-10-25 2009-04-29 台达电子工业股份有限公司 Bridging apparatus for electric power network
CN103036595A (en) * 2012-12-07 2013-04-10 泉州泽仕通科技有限公司 Field intensity covering method based on power line transmission
CN103297987A (en) * 2013-06-05 2013-09-11 四川省韬光通信有限公司 Power line transmission based mobile communication indoor microdistribution system
CN103327508A (en) * 2013-07-09 2013-09-25 武汉虹信通信技术有限责任公司 Access system for transmitting wireless signals and Ethernet signals by power line
CN203911140U (en) * 2014-01-24 2014-10-29 万众科技有限公司 Intelligent socket
CN104243295A (en) * 2014-10-10 2014-12-24 国家电网公司 Intelligent gateway device based on double-network mixed communication

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110661562A (en) * 2018-06-30 2020-01-07 上海华为技术有限公司 Transmission system and transmission device for millimeter wave signals

Similar Documents

Publication Publication Date Title
CN103812525B (en) A kind of power communication integral system of multiple information sample and transform
CN106712851A (en) Distributed wireless signal coverage system
CN108847891B (en) Radio over fiber distributed small base station system
RU2672259C2 (en) Dc power distribution system
CN106162945A (en) Honeycomb base station device and data transmission method, communication equipment and communication system
CN1545225A (en) Free space optical transmission mobile communication direct amplifying station
CN103298164A (en) Lighting device and base station
CN106160792A (en) Antenna assembly and spaced antenna room subsystem
CN206024123U (en) Intelligent lamp and wireless signal indoor covering system
CN105246092A (en) Indoor coverage signal enhancing device and signal processing method thereof
CN105490710B (en) A kind of cable tunnel communication system based on LTE WiMAX
CN104320791A (en) Far-end unit of mobile communication micropower digital multi-point indoor cover system
CN105491589B (en) A kind of communication means of the cable tunnel monitoring system based on LTE WiMAX
CN101646267A (en) Novel repeater system
CN201435848Y (en) Underground parking LED intelligent light
CN106162670A (en) Indoor cellular system and data transmission method, base station equipment and antenna assembly
CN206962821U (en) Tunnel communication network system based on lightwave communication
CN203590465U (en) Indoor and outdoor distribution system of wireless communication signal
CN106162946B (en) Cellular communication system and its data transmission method, equipment and communication system
CN107466096B (en) Street lamp type small cell wireless access network intelligent control system based on cloud architecture
CN204046832U (en) TD-LTE comprehensive wiring type binary channels single channel mobile communication compartment system
CN105116753A (en) Smart home based on Internet of Things
CN210491291U (en) A centralized control ware for wisdom lighting control system
CN203554437U (en) An electric power transmission micropower distribution system
CN204350319U (en) A kind of LTE digital optical-fiber remote system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20161123