CN106358219B - A kind of wireless data ascending transmission method and device - Google Patents
A kind of wireless data ascending transmission method and device Download PDFInfo
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- CN106358219B CN106358219B CN201510418776.XA CN201510418776A CN106358219B CN 106358219 B CN106358219 B CN 106358219B CN 201510418776 A CN201510418776 A CN 201510418776A CN 106358219 B CN106358219 B CN 106358219B
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- visible light
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
Abstract
The invention discloses a kind of wireless data ascending transmission method and devices.The method includes judge wait uplink send data in whether the frame control command position containing visible light communication agreement, if not containing the frame control command position of visible light communication agreement in the data for waiting uplink to send, the data are sent by Wi-Fi communication channel uplink, if the frame control command position containing visible light communication agreement, after visible light communication resume module is sent the data into special MAC frame format, then pass through the transmission of Wi-Fi communication channel uplink.Technical solution of the present invention is had the advantage that compared with prior art when data uplink is sent, if the frame control command position in data containing visible light communication agreement, after visible light communication resume module is then sent the data into special MAC frame format, then pass through the transmission of Wi-Fi communication channel uplink.Wi-Fi communication has been subjected to effective combination with visible light communication, has reduced data uplink cost.
Description
Technical field
The invention belongs to wireless communication fields, are related to visible light communication (abbreviation VLC, full name in English Visible Light
Communication, also known as light fidelity or Li-Fi) and wireless LAN communication mixed communication, in particular to
A kind of data upstream transmission method and device.
Background technique
With the high speed development of the technologies such as mobile terminal, network multimedia, Novel Internet application, people are to wireless data
The demand of communication increases considerably, this brings huge challenge to wireless communication technique.It can be generally divided into room
Interior and outdoor two major classes scene, wherein the data traffic of about 70% wireless communication occurs indoors.Currently, indoor wireless
Communication system relies primarily on WLAN (abbreviation WLAN, full name in English Wireless Local Area Network) and moves
Dynamic communication system, and WLAN becomes indoor wireless communication due to having higher handling capacity and lower expenses standard
Main carriers.
However, wireless local area network technology actually use indoors in have the disadvantage that (1) confidentiality is relatively low, data quilt
It intercepts and captures, network is stolen and causes the risk of data transmission larger；(2) indoor wireless radiation is increased, not environmentally.
And develop faster visible light communication in recent years, due to can be organically combined with room lighting, have it is environmentally protective,
The advantages that good confidentiality, is increasingly becoming an important alternate ways of indoor wireless communication.Visible light communication is by being used for
What the flashing of the light emitting diode (abbreviation LED) of illumination carried out data transmission.Due to flashing frequency can much higher than human eye can
With perceptible frequency, therefore adverse effect will not be caused to human eye.Further, since telecommunication media is visible light, it is not present
The problem of wireless radiation and it is easy to carry out secrecy transmission.
However, visible light communication have one disadvantage in that be exactly transmitted in both directions realization difficulty it is big.In terms of downlink transfer, it is seen that
Soft exchange point can send data to user terminal by the LED light of ceiling.This is easy to accomplish: can be led in transmitting terminal
It crosses power line communication and data is transferred to the relevant optical signal of LED light generation；It only needs to install a photoelectricity on user terminal to visit
Data can be obtained from the ceiling of surrounding by surveying device.LED illumination lamp usually more and luminous intensity great Yi on ceiling
It is detected in user.In uplink direction, it is unfavorable for data transmission, institute since the light source of user terminal is single and the intensity of light is weak
It is then an extremely difficult problem with the light for how allowing the access point of visible light communication that detection user terminal is gone to issue.Currently,
The international standard IEEE802.15.7 (hereinafter referred to as 802.15.7 agreement) of first visible light communication has been born.Due to this
Standard is to be designed based on the premise for being able to carry out uplink and downlink visible light communication, therefore be difficult to actual house data
Transmission.802.15.7 agreement uplink also uses visible light communication at present, then user terminal will also install great power LED,
It just can guarantee that access point AP receives the data of terminal sending, the light of uplink and downlink irradiates simultaneously, will cause very big light source
Pollution increases data uplink cost.
Therefore, how by wireless LAN communication with visible light communication is appropriate is used in combination in indoor wireless communication system
System, while can also reduce data uplink cost, become this field letter technical problem to be solved.
Summary of the invention
For this purpose, technical problem to be solved by the present invention lies in, provide it is a kind of both can by wireless LAN communication with it is visible
Optic communication combination appropriate, can also reduce the indoor Radio Communication System of data uplink cost.
In order to solve the above technical problems, the present invention provides a kind of wireless data uplink sending methods, comprising:
Judge wait uplink send data in whether the frame control command position containing visible light communication agreement,
If not containing the frame control command position of visible light communication agreement in the data for waiting uplink to send, which is led to
The transmission of Wi-Fi communication channel uplink is crossed,
If the frame control command position containing visible light communication agreement in the data for waiting uplink to send, which is sent
To visible light communication resume module at special MAC frame format after, then by Wi-Fi communication channel uplink send.
Further, the special MAC frame format are as follows: the frame control command position of the visible light communication agreement is filled in
In the data segment of the data frame of Wi-Fi communication protocol.
Further, the Wi-Fi communication channel data transmission eat dishes without rice or wine at least there are two.
Further, described to eat dishes without rice or wine to eat dishes without rice or wine to eat dishes without rice or wine with a 5G including at least a 2.4G.
Correspondingly, the present invention also provides a kind of wireless data uplink receiving methods, comprising:
The data that Preliminary Analysis Wi-Fi communication channel receives；
Judge parsing after data whether include visible light communication agreement frame control command position；
If the data after parsing do not include the frame control command position of visible light communication agreement, the data after parsing are sent out
Give upper layer application；
If the data after parsing include the frame control command position of visible light communication agreement, the data after parsing are sent
After further parsing to visible light communication module, it is sent to upper layer application.
Further, the frame control command position of the visible light communication agreement is filled in the data frame of Wi-Fi communication protocol
Data segment in.
The present invention also provides a kind of wireless data uplink sending devices, comprising:
First judging unit, for judge wait uplink send data in whether the frame control containing visible light communication agreement
Command bit processed；
First control unit, if for wait uplink send data in without containing visible light communication agreement frame control
Command bit is then sent the data by Wi-Fi communication channel uplink, if containing visible light in the data for waiting uplink to send
The frame control command position of communication protocol, then after sending the data to visible light communication resume module into special MAC frame format, then
It is sent by Wi-Fi communication channel uplink.
Further, the special MAC frame format are as follows: the frame control command position of the visible light communication agreement is filled in
In the data segment of the data frame of Wi-Fi communication protocol.
Correspondingly, the present invention also provides a kind of wireless data uplink receiving devices, comprising:
Resolution unit, the data received for Preliminary Analysis Wi-Fi communication channel；
Second judgment unit, for judge parsing after data whether include visible light communication agreement frame control command
Position；
Second control unit, if not including the frame control command position of visible light communication agreement for the data after parsing,
The data after parsing are then sent to upper layer application；If the data after parsing include the frame control command of visible light communication agreement
Data after parsing are then sent to after visible light communication module further parses, are sent to upper layer application by position.
Further, the frame control command position of the visible light communication agreement is filled in the data frame of Wi-Fi communication protocol
Data segment in.
The above technical solution of the present invention has the following advantages over the prior art:
(1) when data uplink is sent, control is sent using Wi-Fi communication channel, while if containing visible in data
The frame control command position of optical communications protocols, then after sending the data to visible light communication resume module into special MAC frame format,
It is sent again by Wi-Fi communication channel uplink.The present invention is sent by Wi-Fi communication channel uplink through the visible light communication mould
Wi-Fi communication has been carried out effective combination with visible light communication, has reduced data uplink cost by block treated data.
(2) data uplink receive when, if parsing after data in the frame control command containing visible light communication agreement
Position, then send the data to visible light communication module and further parse, and makes to communicate and can have correctly received by Wi-Fi
802.15.7 protocol data.The frame control command containing visible light communication agreement that the present invention will be arrived by Wi-Fi communications reception
The data of position issue the parsing of visible light communication module, and Wi-Fi communication has been carried out effective combination with visible light communication, has reduced data
Uplink cost.
Detailed description of the invention
In order to make the content of the present invention more clearly understood, it below according to specific embodiments of the present invention and combines
Attached drawing, the present invention is described in further detail, wherein
Fig. 1 is the flow chart for the wireless data uplink sending method that the embodiment of the present invention one provides；
Fig. 2 is the flow chart of wireless data uplink receiving method provided by Embodiment 2 of the present invention；
Fig. 3 is the frame diagram for the wireless data uplink sending device that the embodiment of the present invention three provides；
Fig. 4 is the frame format of uplink visible light communication agreement non-data message of the present invention；
Fig. 5 is the frame diagram for the wireless data uplink receiving device that the embodiment of the present invention four provides；
Fig. 6 is the indoor fusion letter comprising wireless data uplink sending device of the present invention and wireless data uplink receiving device
Road communication system frame diagram.
Specific embodiment
Below with reference to attached drawing, the present invention is further elaborated using following embodiment.
Referring to Fig. 1, the flow chart of the wireless data uplink sending method provided for the embodiment of the present invention one, the method
Include:
Step S110, judge wait uplink send data in whether the frame control command containing visible light communication agreement
Position.
Specifically, being returned in access authentication of user or other needs to the data by visible light communication agreement downlink
When biography, since visible light communication uplink is unavailable, the data of passback can only be sent by Wi-Fi communication channel uplink.Therefore
It is very crucial step that Wi-Fi, which is communicated 802.11X agreement and the fusion of visible light communication 802.15.7 agreement,.Visible light communication
802.15.7 5 kinds of frame formats of protocol definition: beacon, data, confirmation, order and CVD.Wherein the data of data frame can be direct
The data segment being filled in 802.11X agreement mac frame, and other several frame formats are led to due to containing frame control command position
When crossing the transmission of Wi-Fi communication uplink, specially treated need to be done.Therefore, whether contain visible light in the data sent to waiting uplink
The frame control command position of communication protocol needs first to be judged.
Step S120, if not containing the frame control command position of visible light communication agreement in the data for waiting uplink to send,
The data are sent by Wi-Fi communication channel uplink.
Specifically, the data transmission of the Wi-Fi communication channel eat dishes without rice or wine at least there are two, respectively 2.4G eats dishes without rice or wine and 5G is empty
Mouthful.The message capacity that 2.4G eats dishes without rice or wine is C1, and the message capacity that 5G eats dishes without rice or wine is C2, and message capacity at this time is C ≈ C1+C2.According to
Each channel quality and communications status eated dishes without rice or wine, selects that one of them is eated dishes without rice or wine or two are eated dishes without rice or wine to carry out data uplink transmission.
Step S130 will if the frame control command position containing visible light communication agreement in the data for waiting uplink to send
After the data are sent to visible light communication resume module into special MAC frame format, then pass through the transmission of Wi-Fi communication channel uplink.
Specifically, the special MAC frame format are as follows: the frame control command position of the visible light communication agreement is filled in Wi-
In the data segment of the data frame of Fi communication protocol.Fig. 4 is please referred to, wherein second grid partly belongs to Wi-Fi communication protocols
The data segment of the data frame of view, " the 802.15.7MAC frame head " of the inside filling are the frame control of the visible light communication agreement
Command bit.
The present embodiment has the advantage that
When data uplink is sent, control is sent using Wi-Fi communication channel, while if logical containing visible light in data
The frame control command position for believing agreement, then after sending the data to visible light communication resume module into special MAC frame format, then lead to
Cross the transmission of Wi-Fi communication channel uplink.The present invention is sent at through the visible light communication module by Wi-Fi communication channel uplink
Wi-Fi communication has been carried out effective combination with visible light communication, has reduced data uplink cost by the data after reason.
Correspondingly, the present invention also provides a kind of wireless data uplink receiving methods.
Referring to Fig. 2, being the flow chart of wireless data uplink receiving method provided by Embodiment 2 of the present invention, the method
Include:
Step S210, the data that Preliminary Analysis Wi-Fi communication channel receives.
Specifically, the data received by Wi-Fi communication module Preliminary Analysis Wi-Fi communication channel.
Step S220, judge parsing after data whether include visible light communication agreement frame control command position.
Specifically, the frame control command position of the visible light communication agreement is filled in the data frame of Wi-Fi communication protocol
In data segment.Referring to Figure 4, wherein second grid partly belongs to the data segment of the data frame of Wi-Fi communication protocol, it is inner
" the 802.15.7MAC frame head " of face filling is the frame control command position of the visible light communication agreement.This step judges solution
In data frame after analysis whether include 802.15.7 agreement frame control command position.
Step S230 will parsing if the data after parsing do not include the frame control command position of visible light communication agreement
Data afterwards are sent to upper layer application.
Specifically, if parsing after data frame head in do not include 802.15.7 agreement frame control command position, illustrate
It is 802.11X protocol data, parses and finish in step S210.
Step S240, if the data after parsing include the frame control command position of visible light communication agreement, after parsing
Data be sent to after visible light communication module further parses, be sent to upper layer application.
Specifically, if parsing after data frame head in include 802.15.7 agreement frame control command position, illustrate be
802.15.7 protocol data cannot parse completely in step S210, it is further to need to be sent to visible light communication module
Parsing.
The present embodiment has the advantage that
Data uplink receive when, if parsing after data in the frame control command position containing visible light communication agreement,
It then sends the data to visible light communication module further to parse, makes to communicate and can have correctly received by Wi-Fi
802.15.7 protocol data.The frame control command containing visible light communication agreement that the present invention will be arrived by Wi-Fi communications reception
The data of position issue the parsing of visible light communication module, and Wi-Fi communication has been carried out effective combination with visible light communication, has reduced data
Uplink cost.
Correspondingly, the present invention also provides a kind of wireless data uplink sending devices.
Referring to Fig. 3, being the frame diagram for the wireless data uplink sending device that the embodiment of the present invention three provides.Described device
It include: the first judging unit 110 and first control unit 120.
First judging unit 110, for judge wait uplink send data in whether containing visible light communication assist
The frame control command position of view.
Specifically, being returned in access authentication of user or other needs to the data by visible light communication agreement downlink
When biography, since visible light communication uplink is unavailable, the data of passback can only be sent by Wi-Fi communication channel uplink.Therefore
It is very crucial step that Wi-Fi, which is communicated 802.11X agreement and the fusion of visible light communication 802.15.7 agreement,.Visible light communication
802.15.7 5 kinds of frame formats of protocol definition: beacon, data, confirmation, order and CVD.Wherein the data of data frame can be direct
The data segment being filled in 802.11X agreement mac frame, and other several frame formats are led to due to containing frame control command position
When crossing the transmission of Wi-Fi communication uplink, specially treated need to be done.Therefore, whether contain visible light in the data sent to waiting uplink
The frame control command position of communication protocol needs first to be judged.
The first control unit 120, if without containing visible light communication agreement in data for waiting uplink to send
Frame control command position, then by the data by Wi-Fi communication channel uplink send, if wait uplink send data in contain
There is the frame control command position of visible light communication agreement, then sends the data to visible light communication resume module into special MAC frame
After format, then pass through the transmission of Wi-Fi communication channel uplink.
Specifically, the data transmission of the Wi-Fi communication channel eat dishes without rice or wine at least there are two, respectively 2.4G eats dishes without rice or wine and 5G is empty
Mouthful.The message capacity that 2.4G eats dishes without rice or wine is C1, and the message capacity that 5G eats dishes without rice or wine is C2, and message capacity at this time is C ≈ C1+C2.According to
Each channel quality and communications status eated dishes without rice or wine, selects that one of them is eated dishes without rice or wine or two are eated dishes without rice or wine to carry out data uplink transmission.Institute
State special MAC frame format are as follows: the frame control command position of the visible light communication agreement is filled in the data frame of Wi-Fi communication protocol
Data segment in.Fig. 4 is please referred to, wherein second grid partly belongs to the data segment of the data frame of Wi-Fi communication protocol,
" the 802.15.7MAC frame head " of the inside filling is the frame control command position of the visible light communication agreement.
The present embodiment has the advantage that
When data uplink is sent, control is sent using Wi-Fi communication channel, while if logical containing visible light in data
The frame control command position for believing agreement, then after sending the data to visible light communication resume module into special MAC frame format, then lead to
Cross the transmission of Wi-Fi communication channel uplink.The present invention is sent at through the visible light communication module by Wi-Fi communication channel uplink
Wi-Fi communication has been carried out effective combination with visible light communication, has reduced data uplink cost by the data after reason.
Correspondingly, the present invention also provides a kind of wireless data uplink receiving devices.
Referring to Fig. 5, being the frame diagram for the wireless data uplink receiving device that the embodiment of the present invention four provides.Described device
It include: resolution unit 210, second judgment unit 220 and the second control unit 230.
The resolution unit 210, the data received for Preliminary Analysis Wi-Fi communication channel.
Specifically, the data received by Wi-Fi communication module Preliminary Analysis Wi-Fi communication channel.
The second judgment unit 220, for judge parsing after data whether include visible light communication agreement frame control
Command bit processed.
Specifically, the frame control command position of the visible light communication agreement is filled in the data frame of Wi-Fi communication protocol
In data segment.Referring to Figure 4, wherein second grid partly belongs to the data segment of the data frame of Wi-Fi communication protocol, it is inner
" the 802.15.7MAC frame head " of face filling is the frame control command position of the visible light communication agreement.This step judges solution
In data frame after analysis whether include 802.15.7 agreement frame control command position.
Second control unit 230, if the frame for the data after parsing not to include visible light communication agreement controls
Data after parsing are then sent to upper layer application by command bit；If the data after parsing include the frame of visible light communication agreement
Data after parsing are then sent to after visible light communication module further parses, are sent to upper layer application by control command position.
Specifically, if parsing after data frame head in do not include 802.15.7 agreement frame control command position, illustrate
It is 802.11X protocol data, parses and finish in the resolution unit 210；If including in the data frame head after parsing
802.15.7 the frame control command position of agreement, then explanation is 802.15.7 protocol data, cannot be complete in the resolution unit 210
Complete solution separates out, and needs to be sent to visible light communication module and further parses.
The present embodiment has the advantage that
Data uplink receive when, if parsing after data in the frame control command position containing visible light communication agreement,
It then sends the data to visible light communication module further to parse, makes to communicate and can have correctly received by Wi-Fi
802.15.7 protocol data.The frame control command containing visible light communication agreement that the present invention will be arrived by Wi-Fi communications reception
The data of position issue the parsing of visible light communication module, and Wi-Fi communication has been carried out effective combination with visible light communication, has reduced data
Uplink cost.
Correspondingly, the wireless data uplink sending device that the present invention also provides a kind of including above-described embodiment and above-mentioned
The indoor fusion channel communication system of the wireless data uplink receiving device of embodiment.Referring to FIG. 6, Fig. 6 is comprising the present invention
The indoor fusion channel communication system frame diagram of wireless data uplink sending device and wireless data uplink receiving device.The system
System includes wireless data uplink sending device 1 and wireless data uplink receiving device 2.Specifically, the wireless data uplink hair
Send device 1 as described in the embodiment of the present invention three, details are not described herein again；The wireless data uplink receiving device 2 such as present invention is real
It applies described in example four, details are not described herein again.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (8)
1. a kind of wireless data uplink sending method characterized by comprising
Judge wait uplink send data in whether the frame control command position containing visible light communication agreement,
If not containing the frame control command position of visible light communication agreement in the data for waiting uplink to send, which is passed through
Wi-Fi communication channel uplink is sent,
If the frame control command position containing visible light communication agreement in the data for waiting uplink to send, sending the data to can
After light-exposed communication module is processed into special MAC frame format, then pass through the transmission of Wi-Fi communication channel uplink；
Wherein, the special MAC frame format are as follows: the frame control command position of the visible light communication agreement is filled in Wi-Fi communication
In the data segment of the data frame of agreement.
2. according to the method described in claim 1, it is characterized by: the data transmission of the Wi-Fi communication channel is eated dishes without rice or wine at least
There are two.
3. according to the method described in claim 2, it is characterized by: described eat dishes without rice or wine to eat dishes without rice or wine and a 5G including at least a 2.4G
It eats dishes without rice or wine.
4. a kind of wireless data uplink receiving method, comprising:
The data that Preliminary Analysis Wi-Fi communication channel receives；
Judge parsing after data whether include visible light communication agreement frame control command position；
If the data after parsing do not include the frame control command position of visible light communication agreement, the data after parsing are sent to
Upper layer application；
If the data after parsing include the frame control command position of visible light communication agreement, the data after parsing are sent to can
After light-exposed communication module further parses, it is sent to upper layer application.
5. according to the method described in claim 4, it is characterized by: the frame control command position of the visible light communication agreement is filled
In the data segment of the data frame of Wi-Fi communication protocol.
6. a kind of wireless data uplink sending device characterized by comprising
First judging unit, for judging whether the frame control containing visible light communication agreement is ordered in the data for waiting uplink to send
Enable position；
First control unit, if for wait uplink send data in do not contain visible light communication agreement frame control command
Position is then sent the data by Wi-Fi communication channel uplink, if containing visible light communication in the data for waiting uplink to send
The frame control command position of agreement, then after sending the data to visible light communication resume module into special MAC frame format, then pass through
Wi-Fi communication channel uplink is sent；
Wherein, the special MAC frame format are as follows: the frame control command position of the visible light communication agreement is filled in Wi-Fi communication
In the data segment of the data frame of agreement.
7. a kind of wireless data uplink receiving device, comprising:
Resolution unit, the data received for Preliminary Analysis Wi-Fi communication channel；
Second judgment unit, for judge parsing after data whether include visible light communication agreement frame control command position；
Second control unit will if not including the frame control command position of visible light communication agreement for the data after parsing
Data after parsing are sent to upper layer application；If the data after parsing include the frame control command position of visible light communication agreement,
Then the data after parsing are sent to after visible light communication module further parses, are sent to upper layer application.
8. device according to claim 7, which is characterized in that fill the frame control command position of the visible light communication agreement
In the data segment of the data frame of Wi-Fi communication protocol.
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| CN201510418776.XA CN106358219B (en) | 2015-07-16 | 2015-07-16 | A kind of wireless data ascending transmission method and device |
| PCT/CN2015/086353 WO2017008360A1 (en) | 2015-07-16 | 2015-08-07 | Wireless data uplink transmission method and device |
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| CN201510418776.XA CN106358219B (en) | 2015-07-16 | 2015-07-16 | A kind of wireless data ascending transmission method and device |
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| CN106358219B true CN106358219B (en) | 2019-06-25 |
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| CN102412953A (en) * | 2011-11-03 | 2012-04-11 | 北京邮电大学 | Visible light local area network duplex communication method |
| CN103368645A (en) * | 2013-07-19 | 2013-10-23 | 北京大学 | Indoor wireless light high-speed two-way communication system |
| CN103427903A (en) * | 2013-08-14 | 2013-12-04 | 东南大学 | Visible light communication system based on wireless access point |
| CN103441797A (en) * | 2013-09-13 | 2013-12-11 | 北京邮电大学 | Indoor visible light communication (VLC) hybrid networking scheme based on room division multiplexing (RDM) and implementation method for switching of indoor VLC hybrid networking scheme |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100059502A (en) * | 2008-11-26 | 2010-06-04 | 삼성전자주식회사 | Broadcasting service method and system in visible communication system |
| US9143230B2 (en) * | 2012-12-01 | 2015-09-22 | Qualcomm Incorporated | Methods and apparatus for communications using visible light communications signaling in combination with wireless radio signaling |
| CN103259592B (en) * | 2013-05-24 | 2016-05-11 | 江苏大学 | A kind of visible light communication net and WLAN fusion method |
| CN104219031A (en) * | 2013-06-04 | 2014-12-17 | 中兴通讯股份有限公司 | MAC (media access control) frame aggregation method and device |
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2015
- 2015-07-16 CN CN201510418776.XA patent/CN106358219B/en active Active
- 2015-08-07 WO PCT/CN2015/086353 patent/WO2017008360A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412953A (en) * | 2011-11-03 | 2012-04-11 | 北京邮电大学 | Visible light local area network duplex communication method |
| CN103368645A (en) * | 2013-07-19 | 2013-10-23 | 北京大学 | Indoor wireless light high-speed two-way communication system |
| CN103427903A (en) * | 2013-08-14 | 2013-12-04 | 东南大学 | Visible light communication system based on wireless access point |
| CN103441797A (en) * | 2013-09-13 | 2013-12-11 | 北京邮电大学 | Indoor visible light communication (VLC) hybrid networking scheme based on room division multiplexing (RDM) and implementation method for switching of indoor VLC hybrid networking scheme |
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| CN106358219A (en) | 2017-01-25 |
| WO2017008360A1 (en) | 2017-01-19 |
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