CN205430248U - Support VLC+WiFi to unite access system's VLC receiving terminal - Google Patents
Support VLC+WiFi to unite access system's VLC receiving terminal Download PDFInfo
- Publication number
- CN205430248U CN205430248U CN201521071123.0U CN201521071123U CN205430248U CN 205430248 U CN205430248 U CN 205430248U CN 201521071123 U CN201521071123 U CN 201521071123U CN 205430248 U CN205430248 U CN 205430248U
- Authority
- CN
- China
- Prior art keywords
- wireless
- vlc
- module
- visible light
- demodulation
- 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.)
- Expired - Fee Related
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The utility model discloses a support VLC+WiFi to unite access system's VLC receiving terminal, include: it is thus clear that optical receiver module, wireless transceiver module, power detection module, central control module, wherein, visible optical receiver module includes: photoelectric detector, visible light demodulation subassembly, wireless transceiver module includes: wireless receiving and dispatching antenna module, receiving and dispatching switch, wireless modulation subassembly, wireless demodulation subassembly, transceiver subassembly. The utility model discloses combine present wireless LAN and visible light communication technique, improve indoor radio communication's performance greatly to can realize using in down the visible light communication technique to carry out high speed data transmission under normal condition, because the removal end shelters from when resulting in data transmission to break off, will switch over extremely more low speed wireless LAN transmission to the transmission of high -speed visible light when down visible light, it is uninterrupted with the inhibit signal, wait to shelter from when disappearing, the reuse visible light carries out down -load.
Description
Technical field
The present invention relates to visible light communication, radio communication and access network field, receive terminal particularly to a kind of VLC supporting VLC+WiFi associating access system.
Background technology
WLAN is through the development of more than ten years, and its application expands to various hand-hold electronic equipments from PC: mobile phone, panel computer, handheld game machine, wearable device etc..Up to now, main indoor wireless local area network the most still uses WiFi technology, and coverage is up to about 100 meters, and transmission speed disclosure satisfy that the demand that people are current.But being as people's raising day by day to speed of download, HD video is watched in the daily meeting of people online, needing to download in time substantial amounts of data, the deficiency of WiFi highlights the most day by day.
Visible light communication technology is that the high speed light and shade flash signal being invisible to the naked eye utilizing fluorescent lamp or light emitting diode etc. to send is to transmit a kind of transmission technology of information.Compared with currently used WLAN, " visible light communication " system may utilize interior illumination fixture and replaces WLAN lan base station to launch signal, and its communication speed is also possible to exceed fiber optic communication up to Gb/s level, future transmission speed.Utilize special, can the computer of sending and receiving semiotic function and personal digital assistant device, if the place shone at indoor light, it is possible to download for a long time and upload data.It addition, visible light communication is set up on the basis of illuminating lamp, it is not necessary to extra electric power system, reduce the electromagnetic radiation impact on people simultaneously.Visible, in indoor application field, it is seen that optic communication is compared present wireless wave and had great advantage.
Current WLAN is combined with visible light communication technology, it will be greatly improved the performance of indoor wireless communication.Carry out high speed data transfer can be implemented in descending middle use visible light communication technology under the situation of movement of normal mobile terminal, when descending visible ray causes data-transmission interruptions owing to blocking, high speed visible ray will be received the WLAN reception switching to relatively low speed, to keep signal not interrupt.In time blocking disappearance, reuse visible ray and carry out downlink reception.Static in mobile terminal and when not being blocked, descending use visible light communication technology carries out high speed data transfer, and up use WLAN carries out data transmission.When seriously being blocked in mobile terminal, WLAN also can be only used to carry out up-downgoing data transmission.
Utility model content
The purpose of this utility model is to solve above-mentioned prior art problem, it is provided that a kind of VLC supporting VLC+WiFi associating access system receives terminal.It can switch use WLAN and visible ray to carry out indoor wireless communication.
This utility model solves its technical problem, and the VLC of the support VLC+WiFi associating access system used receives terminal and includes: visible ray receiver module, radio receiving transmitting module, power detection module, central control module.Wherein, it is seen that Optical Receivers includes: photodetector, visible ray demodulation components；Radio receiving transmitting module includes: wireless receiving and dispatching antenna module, transmit/receive switch, wireless-modulated assembly, wireless demodulation assembly, radio transceiver component.
Described photodetector, it can receive visible light signal, be translated into the corresponding signal of telecommunication, be allowed to become can be demodulated the signal of telecommunication.It is sequentially connected with power detection module, visible ray demodulation components.
Described visible ray demodulation components, it can recover message from the converted electrical number of photodetector.It is sequentially connected with photodetector, central control module.
Described power detection module, it can be measured the intensity of the visible light signal received from photodetector, strength information is informed central control module.It is sequentially connected with visible ray electric explorer, central control module.
Described wireless receiving and dispatching antenna module, the signal after wireless-modulated can be launched by antenna, or receive wireless signal by it.It is connected with transceiver parallel operation.
Described transmit/receive switch, it can carry out launching signal or receiving the operation of signal by wireless receiving and dispatching Anneta module.It is sequentially connected with wireless receiving and dispatching antenna module, wireless-modulated assembly, wireless demodulation assembly, radio transceiver component.
Described wireless-modulated assembly, it can be added on carrier wave needing the information sent to carry out process so that it is becomes suitable for the form in transmission.It is sequentially connected with transmit/receive switch, radio transceiver component.
Described wireless demodulation assembly, it can receive from antenna the modulated signal carrying message and recover message.It is sequentially connected with transmit/receive switch, radio transceiver component.
Described radio transceiver component.The information of information source can be transferred to wireless-modulated assembly to be modulated by it, it is possible to will be sent to central control module by the information of wireless demodulation component demodulation, can control transmit/receive switch simultaneously, carry out reception and the transmission of antenna.It is sequentially connected with wireless-modulated assembly, wireless demodulation assembly, transmit/receive switch, central control module.
Described central control module, it can be transmitted with the wireless information to mobile terminal of overall control.The incoming mobile terminal of external information can also be received with wireless, visible ray.It is sequentially connected with radio transceiver component, visible ray demodulation components, power detection module, mobile terminal.
Accompanying drawing explanation
Fig. 1 is that the VLC of support VLC+WiFi of the present utility model associating access system receives terminal populations schematic diagram.
Fig. 2 is that the VLC of support VLC+WiFi of the present utility model associating access system receives terminal embodiment one schematic diagram.
Fig. 3 is that the VLC of support VLC+WiFi of the present utility model associating access system receives terminal embodiment two schematic diagram.
Fig. 4 is that the VLC of support VLC+WiFi of the present utility model associating access system receives terminal embodiment three schematic diagram.
Fig. 5 is that the VLC of support VLC+WiFi of the present utility model associating access system receives terminal use model of place schematic diagram.
Fig. 6 is that the VLC of support VLC+WiFi of the present utility model associating access system receives terminal appearance design a.
Fig. 7 is that the VLC of support VLC+WiFi of the present utility model associating access system receives terminal appearance design b.
Detailed description of the invention
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
The VLC of support VLC+WiFi of the present utility model associating access system receives terminal, as it is shown in figure 1, include: visible ray receiver module, radio receiving transmitting module, power detection module, central control module.Wherein, it is seen that Optical Receivers includes: photodetector, visible ray demodulation components；Radio receiving transmitting module includes: wireless receiving and dispatching antenna module, transmit/receive switch, wireless-modulated assembly, wireless demodulation assembly, radio transceiver component.
As a example by three kinds of real network scenarios, this utility model is described in detail below.
Embodiment one:
As in figure 2 it is shown, the VLC of support VLC+WiFi of the present utility model associating access system receives terminal and includes: visible ray receiver module, radio receiving transmitting module, power detection module, central control module.Wherein, it is seen that Optical Receivers includes: photodetector, visible ray demodulation components；Radio receiving transmitting module includes: wireless receiving and dispatching antenna module, transmit/receive switch, wireless-modulated assembly, wireless demodulation assembly, radio transceiver component.Can realize descending use visible light communication technology and carry out high speed data transfer, up use WLAN carries out data transmission.
Static in mobile terminal and be not blocked, as being still on sofa, bed first-class good by indoor LED lamp illumination region time.
Central control module, controls to use visible light communication technology to carry out high-speed data reception, uses WLAN to carry out data transmission.
When using visible light communication technology to carry out high-speed data reception.The visible light signal transmitted from the external world is passed through visible ray demodulation components acquired in photodetector, recover message from the signal that photodetector obtains.Then in the incoming mobile terminal of message will recovered via central control module.
When using WLAN to carry out data transmission.The information transmitted from mobile terminal, via wireless-modulated assembly, to needing the information sent to process, is allowed to become suitable in the form using WLAN transmission.Then via wireless receiving and dispatching antenna module, by antenna, the signal after modulation is launched.
I.e. realizing descending use visible light communication technology and carry out high speed data transfer, up use WLAN carries out data transmission.
Embodiment two:
As it is shown on figure 3, the VLC of support VLC+WiFi of the present utility model associating access system receives terminal and includes: visible ray receiver module, radio receiving transmitting module, power detection module, central control module.Wherein, it is seen that Optical Receivers includes: photodetector, visible ray demodulation components；Radio receiving transmitting module includes: wireless receiving and dispatching antenna module, transmit/receive switch, wireless-modulated assembly, wireless demodulation assembly, radio transceiver component.Can realize uplink and downlink uses WLAN to carry out data transmission simultaneously.
When seriously being blocked in mobile terminal, as stood on large-scale furniture rear, indoor LED lamp illumination extreme difference is the most real-time.WLAN is only used to carry out up-downgoing data transmission.
Central control module, controls to use wireless local to carry out data receiver, uses WLAN to carry out data transmission simultaneously.
When using WLAN to carry out data receiver.Extraneous wireless signal, by acquired in wireless receiving and dispatching antenna module, via wireless demodulation assembly, receives from antenna the modulated signal carrying message and recovers message.Then in the incoming mobile terminal of message will recovered via central control module.
When using wireless local to carry out data transmission.The information transmitted from mobile terminal, via wireless-modulated assembly, to needing the information sent to process, is allowed to become suitable in the form using WLAN transmission.Then via wireless receiving and dispatching antenna module, by antenna, the signal after modulation is launched.
I.e. realize uplink and downlink uses WLAN to carry out data transmission simultaneously.
Embodiment three:
As shown in Figure 4, the VLC reception terminal of support VLC+WiFi of the present utility model associating access system includes: visible ray receiver module, radio receiving transmitting module, power detection module, central control module.Wherein, it is seen that Optical Receivers includes: photodetector, visible ray demodulation components；Radio receiving transmitting module includes: wireless receiving and dispatching antenna module, transmit/receive switch, wireless-modulated assembly, wireless demodulation assembly, radio transceiver component.
May be implemented in mobile terminal normally to move, as walked about in indoor, intert when entering good, the poor region of indoor LED lamp illumination.Visible light communication technology can be used in downstream to carry out high speed data transfer, when descending visible ray causes data-transmission interruptions owing to mobile terminal is blocked, it will high speed transmission of visible light to switch to the WLAN transmission of relatively low speed, to keep signal not interrupt.In time blocking disappearance visible light signal intensity and be enough, reuse visible ray and carry out downlink transfer.Static in mobile terminal and when not being blocked, descending use visible light communication carries out high speed data transfer, and up use WLAN carries out data transmission.
Preferential use visible light communication technology carries out high-speed data reception.The visible light signal transmitted from the external world, by acquired in photodetector, by visible ray demodulation components, recovers message from the signal that photodetector obtains.Then in the incoming mobile terminal of message will recovered via central control module.
When mobile terminal is shielded, the visual intensity that central control module detects according to power detection module is less than a certain threshold value, transfers use WLAN to and carries out data receiver.And moment detection visible light signal intensity.
When using wireless local to carry out data receiver.Extraneous wireless signal, by acquired in wireless receiving and dispatching antenna module, via wireless demodulation assembly, receives from antenna the modulated signal carrying message and recovers message.Then in the incoming mobile terminal of message will recovered via central control module.
When shaded areas is walked out in mobile terminal, when entering the good region of indoor LED lamp illumination, the visual intensity that central control module detect according to power detection module, higher than a certain threshold value, transfers to and uses visible ray to carry out data receiver.
When using wireless local to carry out data transmission.The information transmitted from mobile terminal, via wireless-modulated assembly, to needing the information sent to process, is allowed to become suitable in the form using WLAN transmission.Then via wireless receiving and dispatching antenna module, by antenna, the signal after modulation is launched.
I.e. realize using visible light communication technology to carry out high speed data transfer in downstream, when descending visible ray causes data-transmission interruptions owing to blocking, it will high speed transmission of visible light is switched to the WLAN transmission of relatively low speed, to keep signal not interrupt.In time blocking disappearance, reuse visible ray and carry out downlink transfer.Static in mobile terminal and when not being blocked, descending use visible light communication technology carries out high speed data transfer, and up use WLAN carries out data transmission.
As it is shown in figure 5, the VLC of support VLC+WiFi of the present utility model associating access system receives terminal uses model of place signal.General the most indoor, the reception terminal of USB interface and Lightning interface, the use of various mobile terminals in people's life can be met.This utility model can be effectively matched various mobile terminal, it is provided that good communication efficiency.
As shown in Figure 6, the VLC of support VLC+WiFi of the present utility model associating access system receives terminal appearance design a.It has three key components, 1:Lightning interface；2: photoelectric detector；3. built-in aerial.It can mate use on the mobile terminals such as iPhone, ipad, ipod.
As it is shown in fig. 7, the VLC of support VLC+WiFi of the present utility model associating access system receives terminal appearance design b.It has three key components, 4:USB interface；5: photoelectric detector；6. built-in aerial.It can mate use on various notebook computers.
Embodiment described above is only that the preferred embodiments to the present invention is described; not the scope of the present invention is defined; on the premise of designing spirit without departing from the present invention; deformation that technical scheme is made by those of ordinary skill in the art and improvement, all should fall in the protection domain that claims of the present invention determines.
Claims (2)
1. the VLC supporting VLC+WiFi associating access system receives terminal, it is characterized in that: include that visible ray receiver module, radio receiving transmitting module, power detection module, central control module, described visible ray receiver module include: photodetector, visible ray demodulation components；Described radio receiving transmitting module includes: wireless receiving and dispatching antenna module, transmit/receive switch, wireless-modulated assembly, wireless demodulation assembly, radio transceiver component；
Described photodetector, is sequentially connected with power detection module, visible ray demodulation components；
Described visible ray demodulation components is sequentially connected with photodetector, central control module；
Described power detection module, is sequentially connected with visible ray electric explorer, central control module；
Described wireless receiving and dispatching antenna module, is connected with transceiver parallel operation；
Described transmit/receive switch, is sequentially connected with wireless receiving and dispatching antenna module, wireless-modulated assembly, wireless demodulation assembly, radio transceiver component；
Described wireless-modulated assembly, is sequentially connected with transmit/receive switch, radio transceiver component；
Described wireless demodulation assembly, is sequentially connected with transmit/receive switch, radio transceiver component；
Described radio transceiver component, is sequentially connected with wireless-modulated assembly, wireless demodulation assembly, transmit/receive switch, central control module；
Described central control module is sequentially connected with radio transceiver component, visible ray demodulation components, power detection module, mobile terminal.
A kind of VLC supporting VLC+WiFi associating access system the most according to claim 1 receives terminal, it is characterised in that: the multiple interfaces such as USB, Lightning can be used to access according to different mobile terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521071123.0U CN205430248U (en) | 2015-12-20 | 2015-12-20 | Support VLC+WiFi to unite access system's VLC receiving terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521071123.0U CN205430248U (en) | 2015-12-20 | 2015-12-20 | Support VLC+WiFi to unite access system's VLC receiving terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205430248U true CN205430248U (en) | 2016-08-03 |
Family
ID=56537819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521071123.0U Expired - Fee Related CN205430248U (en) | 2015-12-20 | 2015-12-20 | Support VLC+WiFi to unite access system's VLC receiving terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205430248U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953739A (en) * | 2016-12-23 | 2017-07-14 | 中国人民解放军信息工程大学 | Switching system and method that a kind of visible light communication communicates with WIFI |
| CN110312290A (en) * | 2019-08-09 | 2019-10-08 | Oppo（重庆）智能科技有限公司 | Communication network switching method, device and computer readable storage medium |
| WO2019237291A1 (en) * | 2018-06-13 | 2019-12-19 | 华为技术有限公司 | Transmission control method and device |
| CN110855314A (en) * | 2019-11-19 | 2020-02-28 | 中国矿业大学 | Convergent VLC-RF system |
-
2015
- 2015-12-20 CN CN201521071123.0U patent/CN205430248U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953739A (en) * | 2016-12-23 | 2017-07-14 | 中国人民解放军信息工程大学 | Switching system and method that a kind of visible light communication communicates with WIFI |
| WO2019237291A1 (en) * | 2018-06-13 | 2019-12-19 | 华为技术有限公司 | Transmission control method and device |
| US11553393B2 (en) | 2018-06-13 | 2023-01-10 | Huawei Technologies Co., Ltd. | Transmission control method and device |
| CN110312290A (en) * | 2019-08-09 | 2019-10-08 | Oppo（重庆）智能科技有限公司 | Communication network switching method, device and computer readable storage medium |
| CN110855314A (en) * | 2019-11-19 | 2020-02-28 | 中国矿业大学 | Convergent VLC-RF system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Kavehrad | Sustainable energy-efficient wireless applications using light | |
| CN205430248U (en) | Support VLC+WiFi to unite access system's VLC receiving terminal | |
| CN205283542U (en) | VLC who supports VLC+WiFi to unite access system sends terminal | |
| CN203933634U (en) | A kind of device of visible light communication | |
| CN104038284A (en) | Visible light communication system and method | |
| CN103338072B (en) | Based on visible light communication and the radio switch-in method of android system | |
| CN102811091A (en) | Visible light communication-based broadband access device and method | |
| CN103490815A (en) | Payment method based on visible light, middle equipment and intelligent terminal and system | |
| CN103795468B (en) | Mixed type communication system based on multiplexing | |
| CN102457331A (en) | Method for utilizing LED illumination light to realize wireless local area network communication | |
| CN106253983A (en) | The most point-to-point LED-based high speed and bidirectional data transfers mobile terminal | |
| CN204948076U (en) | A kind of LED based on visible ray two-way communication | |
| CN104270196A (en) | Visible light communication system and method on basis of reflection | |
| CN102801471A (en) | Visible light communication system and method for portable device | |
| CN105959061A (en) | LED-to-LED half-duplex communication system | |
| CN202998095U (en) | Digital multi-transmission-mode repeater system | |
| CN202652224U (en) | Communication system and portable device used for visible light communication | |
| Bhalerao et al. | Visible light communication: A smart way towards wireless communication | |
| CN207283557U (en) | Visible light communication Transmission system based on LED light | |
| CN108092718A (en) | Visible soft exchange network communication system based on high-power illumination LED light | |
| CN109361459A (en) | A kind of optic communication intelligence system and method | |
| CN204465540U (en) | Based on the visible light communication transmission system of LED illumination | |
| CN104080233B (en) | Information broadcast method, system and its luminaire and connection control device | |
| CN209748565U (en) | visible light communication system | |
| CN207369040U (en) | A kind of MIMO indoor visible light communication systems based on DSP |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20211220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |