CN108923852A - A kind of mixing FSO/RF link trunking transmission method, device and source node - Google Patents
A kind of mixing FSO/RF link trunking transmission method, device and source node Download PDFInfo
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- CN108923852A CN108923852A CN201810769666.1A CN201810769666A CN108923852A CN 108923852 A CN108923852 A CN 108923852A CN 201810769666 A CN201810769666 A CN 201810769666A CN 108923852 A CN108923852 A CN 108923852A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/29—Repeaters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/564—Power control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
Abstract
This application discloses a kind of mixing FSO/RF link trunking transmission method, device and source nodes, the transmission signal including generating multiple same time-frequencies；Power distribution is carried out to each transmission signal；It is mixed signal by each transmission Signal averaging after power distribution；Mixed signal is converted into light mixed signal；Light mixed signal is sent to relay node；The present invention generates the transmission signal of multiple same time-frequencies, power distribution is carried out to the transmission signal of multiple same time-frequencies, it is all different the power of each transmission signal, to realize in the case where guaranteeing each transmission signal integrity, it is overlapped, obtain mixed signal, to realize that multiple transmission signals are transmitted in the form of mixed signal using same running time-frequency resource in the same channel, after destination node receives the radio frequency mixed signal of radio frequency form, interference signal in radio frequency mixed signal is eliminated, obtain transmission signal corresponding with destination node, complete mixing FSO/RF link trunking transmission process, improve the availability of frequency spectrum and transmission signal throughput.
Description
Technical field
The present invention relates to wireless communication field, in particular to a kind of mixing FSO/RF link trunking transmission method, device and
Source node.
Background technique
In existing blended RF/FSO (radio frequency/free space optical communication) link based on OMA (orthogonal multiple access access)
After Transmission system, basic ideas be on the basis of dividing orthogonal running time-frequency resource, according to the different characteristics of transmission environment,
The base station of high mobility and mobile station link take traditional RF transmission mode, take in base station and the repeated link of Hypomobility
The FSO transmission mode of higher rate and optical bandwidth can be provided, the advantages of so as to make full use of both transmission modes,
Realize the information transmission of high-speed and high-efficiency.
But existing blended RF/radio frequency transmission of the FSO system based on OMA is often influenced by frequency spectrum resource is in short supply；With
The development of mobile new business, the demand of wireless network resource be in explosive growth, above-mentioned problem will be increasingly severeer.
It is, therefore, desirable to provide one kind can greatly improve the availability of frequency spectrum, it can significantly alleviate current multiservice requirement ring
The technology of frequency spectrum resource under border situation in short supply.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of mixing FSO/RF link trunking transmission method, device and sources
Node can be improved the availability of frequency spectrum and transmission signal throughput, alleviate frequency spectrum resource situation in short supply.Its concrete scheme is such as
Under：
A kind of mixing FSO/RF link trunking transmission method, using on the source node, including：
Generate the transmission signal of multiple same time-frequencies；
Power distribution is carried out to each transmission signal, is all different the power of each transmission signal；
It is mixed signal by each transmission Signal averaging after power distribution；
The mixed signal is converted into optical signal, obtains light mixed signal；
The smooth mixed signal is sent to relay node by FSO channel, so that the relay node mixes the light
It closes signal and is converted to radiofrequency signal, obtain radio frequency mixed signal, the radio frequency mixed signal is sent to purpose by RF channel
Node；
Wherein, the destination node receives the radio frequency mixed signal, eliminates the interference letter in the radio frequency mixed signal
Number, obtain transmission signal corresponding with the destination node.
Optionally, the process of the transmission signal for generating multiple same time-frequencies, including：
Multiple original transmission signals to be transmitted are generated, channel coding is carried out to multiple original transmission signals, is obtained multiple
The coded transmission signal of cochannel；
Signal modulation is carried out to multiple coded transmission signals, obtains the transmission signal of multiple same time-frequencies.
Optionally, the FSO channel and RF channel obey M decline distribution and Rayleigh fading distribution respectively.
Optionally, described that power distribution is carried out to each transmission signal, it is all different the power of each transmission signal
Process includes：
Power distribution is carried out to each transmission signal using non-orthogonal multiple access technology, makes the power of each transmission signal
It is all different.
The invention also discloses a kind of source nodes, including：
Generation module, for generating the transmission signal of multiple same time-frequencies；
Power distribution module makes the power of each transmission signal not for carrying out power distribution to each transmission signal
It is identical；
Laminating module, for being the mixed signal by each transmission Signal averaging after power distribution；
Photoelectric conversion module obtains the smooth mixed signal for the mixed signal to be converted to optical signal；
Sending module, for the smooth mixed signal to be sent to relay node by FSO channel.
Optionally, the generation module, including：
Generation unit, for generating multiple original transmission signals to be transmitted；
Channel encoding unit obtains the coding of multiple cochannels for carrying out channel coding to multiple original transmission signals
Transmit signal；
Modulation unit obtains the transmission signal of multiple same time-frequencies for carrying out signal modulation to multiple coded transmission signals.
Optionally, the power distribution module is specifically used for using non-orthogonal multiple access technology to each transmission signal
Power distribution is carried out, the power of each transmission signal is all different.
The invention also discloses a kind of mixing FSO/RF link trunking transmitting devices, including source node as the aforementioned, relaying
Node and destination node；
The smooth mixed signal is converted to radio frequency for receiving light mixed signal by FSO channel by the relay node
Signal obtains radio frequency mixed signal, and the radio frequency mixed signal is sent to the destination node by RF channel；
The destination node eliminates the radio frequency mixing for receiving the radio frequency mixed signal by the RF channel
Interference signal in signal obtains transmission signal corresponding with the destination node.
Optionally, the relay node, including：
Photodetector for receiving the smooth mixed signal by the FSO channel, and the smooth mixed signal is turned
It is changed to radiofrequency signal, obtains initial radio frequency mixed signal；
AF amplifier obtains the radio frequency mixed signal for amplifying to the initial radio frequency mixed signal；
RF signal projector, for the radio frequency mixed signal to be sent to the destination node by the RF channel.
Optionally, the destination node, including：
Signal receiver, for receiving the radio frequency mixed signal by the RF channel；
Interference cancellation module obtains and the purpose for eliminating the interference signal in the radio frequency mixed signal
The corresponding transmission signal of node, the interference signal include transmission signal not corresponding with the destination node.
In the present invention, FSO/RF link trunking transmission method is mixed, including：Generate the transmission signal of multiple same time-frequencies；It is right
Each transmission signal carries out power distribution, is all different the power of each transmission signal；By each transmission after power distribution
Signal averaging is mixed signal；Mixed signal is converted into optical signal, obtains light mixed signal；Light mixed signal is passed through into FSO
Channel is sent to relay node, so that light mixed signal is converted to radiofrequency signal by relay node, obtains radio frequency mixed signal, will
Radio frequency mixed signal is sent to destination node by RF channel；Wherein, destination node receives radio frequency mixed signal, and it is mixed to eliminate radio frequency
The interference signal in signal is closed, transmission signal corresponding with destination node is obtained.
The present invention generates the transmission signal of multiple same time-frequencies, carries out power distribution to the transmission signal of multiple same time-frequencies, makes
The power of each transmission signal is all different, to realize in the case where guaranteeing each transmission signal integrity, is overlapped, is obtained
To mixed signal, thus realize multiple transmission signals in the form of mixed signal using same running time-frequency resource in the same channel into
Row transmission, after destination node receives the radio frequency mixed signal of radio frequency form, to the interference signal in radio frequency mixed signal into
Row is eliminated, and transmission signal corresponding with destination node is obtained, and completes mixing FSO/RF link trunking transmission process, improves frequency spectrum benefit
With rate and transmission signal throughput, alleviate frequency spectrum resource situation in short supply.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of mixing FSO/RF link trunking transmission method flow diagram provided in an embodiment of the present invention；
Fig. 2 is another mixing FSO/RF link trunking transmission method flow diagram provided in an embodiment of the present invention；
Fig. 3 is a kind of source node structural schematic diagram provided in an embodiment of the present invention；
Fig. 4 is a kind of mixing FSO/RF link trunking transmitting device structural schematic diagram provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a kind of mixing FSO/RF link trunking transmission method, shown in Figure 1, this method packets
It includes：
S1：Generate the transmission signal of multiple same time-frequencies；
S2：Power distribution is carried out to each transmission signal, is all different the power of each transmission signal；
S3：It is mixed signal by each transmission Signal averaging after power distribution；
S4：Mixed signal is converted into optical signal, obtains light mixed signal；
S5：Light mixed signal is sent to relay node by FSO channel, so that relay node converts light mixed signal
For radiofrequency signal, radio frequency mixed signal is obtained, radio frequency mixed signal is sent to destination node by RF channel；
Wherein, destination node receives radio frequency mixed signal, eliminates the interference signal in radio frequency mixed signal, obtains and purpose
The corresponding transmission signal of node.
Specifically, not regenerating the transmission signal successively sent to different user when generating transmission signal, but generating
It is multiple at the same to different user send while frequency transmission signal；After generating transmission signal, while to each transmission signal
It is corresponding to carry out power distribution, different power is distributed for each transmission signal, is all different the power of each transmission signal,
Therefore the transmission signal of multiple same time-frequencies can be enabled to be overlapped mutually, becomes a mixed signal, enable mixed signal replace multiple same
The transmission signal of time-frequency transmits in the same channel, realizes the multiple transmission signals of same channel simultaneous transmission, enables multiple users total
A channel is enjoyed, the transmission signal that same channel is no longer assigned to only a user is handled, to improve single channel
Data throughout.
Specifically, light mixed signal is sent to relaying by single FSO channel after mixed signal is converted to optical signal
Light mixed signal is converted to radiofrequency signal again by node, relay node, is obtained radio frequency mixed signal and is sent by single RF channel
To destination node, destination node then receives radio frequency mixed signal, due between different user being non orthogonal transmissions on same channel,
Inter-user interference problem can thus be generated, i.e., interfered with each other between different transmission signals, at this point, in radio frequency mixed signal not with mesh
The corresponding transmission signal of node to destination node for be exactly interference signal, therefore, destination node by eliminate radio frequency mix
The interference signal in signal is closed, transmission signal corresponding with destination node is obtained.
As it can be seen that the embodiment of the present invention generates the transmission signal of multiple same time-frequencies, the transmission signal of multiple same time-frequencies is carried out
Power distribution is all different the power of each transmission signal, thus realize in the case where guaranteeing each transmission signal integrity,
It is overlapped, obtains mixed signal, to realize that multiple transmission signals are existed in the form of mixed signal using same running time-frequency resource
It is transmitted in same channel, after destination node receives the radio frequency mixed signal of radio frequency form, in radio frequency mixed signal
Interference signal eliminated, obtain transmission signal corresponding with destination node, complete mixing FSO/RF link trunking and be transmitted across
Journey improves the availability of frequency spectrum and transmission signal throughput, alleviates frequency spectrum resource situation in short supply.
The embodiment of the invention discloses a kind of specific mixing FSO/RF link trunking transmission methods, implement relative to upper one
Example, the present embodiment have made further instruction and optimization to technical solution.Specifically：
Specifically, it is shown in Figure 2, before carrying out power distribution to transmission signal, need to encode transmission signal
And modulation, therefore, above-mentioned S1 generates the process of the transmission signal of multiple same time-frequencies, specifically includes S11 and S12；Wherein,
S11：Multiple original transmission signals to be transmitted are generated, channel coding is carried out to multiple original transmission signals, is obtained
The coded transmission signal of multiple cochannels；
S12：Signal modulation is carried out to multiple coded transmission signals, obtains the transmission signal of multiple same time-frequencies.
Specifically, multiple original transmission signals to be transmitted for being sent to different user are generated, by each initial biography
Defeated signal carries out channel coding, and each original transmission signal is enabled to belong to the same channel, and the coding for obtaining multiple cochannels passes
Defeated signal, then be modulated the carrier wave for enabling each coded transmission signal carry same time slot, same frequency, i.e., same time-frequency money
Source, to obtain the transmission signal of multiple same time-frequencies.
It is realized in the embodiment of the present invention using non-orthogonal multiple access technology and power distribution is carried out to each transmission signal, made
The power of each transmission signal is all different.
Wherein, above-mentioned FSO channel and RF channel obey M decline distribution and Rayleigh fading distribution respectively.
Correspondingly, shown in Figure 3, which includes the embodiment of the invention also discloses a kind of source node：
Generation module, for generating the transmission signal of multiple same time-frequencies；
Power distribution module makes the power of each transmission signal not for carrying out power distribution to each transmission signal
It is identical；
Laminating module, for being mixed signal by each transmission Signal averaging after power distribution；
Photoelectric conversion module obtains light mixed signal for mixed signal to be converted to optical signal；
Sending module, for light mixed signal to be sent to relay node by FSO channel.
As it can be seen that the embodiment of the present invention generates the transmission signal of multiple same time-frequencies, the transmission signal of multiple same time-frequencies is carried out
Power distribution is all different the power of each transmission signal, thus realize in the case where guaranteeing each transmission signal integrity,
It is overlapped, obtains mixed signal, to realize that multiple transmission signals are existed in the form of mixed signal using same running time-frequency resource
It is transmitted in same channel, after destination node receives the radio frequency mixed signal of radio frequency form, in radio frequency mixed signal
Interference signal eliminated, obtain transmission signal corresponding with destination node, complete mixing FSO/RF link trunking and be transmitted across
Journey improves the availability of frequency spectrum and transmission signal throughput, alleviates frequency spectrum resource situation in short supply.
Specifically, above-mentioned generation module, including generation unit, channel encoding unit and modulation unit；Wherein,
Generation unit, for generating multiple original transmission signals to be transmitted；
Channel encoding unit obtains the coding of multiple cochannels for carrying out channel coding to multiple original transmission signals
Transmit signal；
Modulation unit obtains the transmission signal of multiple same time-frequencies for carrying out signal modulation to multiple coded transmission signals.
Above-mentioned power distribution module is specifically used for carrying out power to each transmission signal using non-orthogonal multiple access technology
Distribution is all different the power of each transmission signal.
Wherein, above-mentioned FSO channel and RF channel obey M decline distribution and Rayleigh fading distribution respectively.
In addition, the embodiment of the invention also discloses a kind of mixing FSO/RF link trunking transmitting device, it is shown in Figure 4,
The device includes source node, relay node and destination node as the aforementioned；
Relay node obtains radio frequency mixed signal for light mixed signal to be converted to radiofrequency signal by FSO channel,
Radio frequency mixed signal is sent to destination node by RF channel；
Destination node, for receiving radio frequency mixed signal by RF channel, the interference signal in elimination radio frequency mixed signal,
Obtain transmission signal corresponding with destination node.
Wherein, the specific structure of source node can refer to previous embodiment, no longer be repeated herein.
Specifically, above-mentioned relay node, may include photodetector, AF amplifier and RF signal projector；Wherein,
Light mixed signal for receiving light mixed signal by FSO channel, and is converted to radio frequency letter by photodetector
Number, obtain initial radio frequency mixed signal；
AF amplifier obtains radio frequency mixed signal for amplifying to initial radio frequency mixed signal；
RF signal projector, for radio frequency mixed signal to be sent to destination node by RF channel.
Above-mentioned purpose node may include signal receiver and interference cancellation module；Wherein,
Signal receiver, for receiving radio frequency mixed signal by RF channel；
Interference cancellation module obtains biography corresponding with destination node for eliminating the interference signal in radio frequency mixed signal
Defeated signal, interference signal include transmission signal not corresponding with destination node.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
A kind of mixing FSO/RF link trunking transmission method provided by the present invention, device and source node are carried out above
It is discussed in detail, used herein a specific example illustrates the principle and implementation of the invention, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, according to
According to thought of the invention, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification
It should not be construed as limiting the invention.
Claims (10)
1. a kind of mixing FSO/RF link trunking transmission method, which is characterized in that it applies on the source node, including：
Generate the transmission signal of multiple same time-frequencies；
Power distribution is carried out to each transmission signal, is all different the power of each transmission signal；
It is mixed signal by each transmission Signal averaging after power distribution；
The mixed signal is converted into optical signal, obtains light mixed signal；
The smooth mixed signal is sent to relay node by FSO channel, is believed so that the relay node mixes the light
Number radiofrequency signal is converted to, obtains radio frequency mixed signal, the radio frequency mixed signal is sent to destination node by RF channel；
Wherein, the destination node receives the radio frequency mixed signal, eliminates the interference signal in the radio frequency mixed signal, obtains
To transmission signal corresponding with the destination node.
2. mixing FSO/RF link trunking transmission method according to claim 1, which is characterized in that the generation is multiple same
The process of the transmission signal of time-frequency, including：
Multiple original transmission signals to be transmitted are generated, channel coding is carried out to multiple original transmission signals, are obtained multiple with letter
The coded transmission signal in road；
Signal modulation is carried out to multiple coded transmission signals, obtains the transmission signal of multiple same time-frequencies.
3. mixing FSO/RF link trunking transmission method according to claim 1, which is characterized in that the FSO channel and
RF channel obeys M decline distribution and Rayleigh fading distribution respectively.
4. mixing FSO/RF link trunking transmission method according to any one of claims 1 to 3, which is characterized in that described
Power distribution is carried out to each transmission signal, the process for being all different the power of each transmission signal includes：
Power distribution is carried out to each transmission signal using non-orthogonal multiple access technology, makes the power of each transmission signal not
It is identical.
5. a kind of source node, which is characterized in that including：
Generation module, for generating the transmission signal of multiple same time-frequencies；
Power distribution module is all different the power of each transmission signal for carrying out power distribution to each transmission signal；
Laminating module, for being the mixed signal by each transmission Signal averaging after power distribution；
Photoelectric conversion module obtains the smooth mixed signal for the mixed signal to be converted to optical signal；
Sending module, for the smooth mixed signal to be sent to relay node by FSO channel.
6. source node according to claim 5, which is characterized in that the generation module, including：
Generation unit, for generating multiple original transmission signals to be transmitted；
Channel encoding unit obtains the coding transmission of multiple cochannels for carrying out channel coding to multiple original transmission signals
Signal；
Modulation unit obtains the transmission signal of multiple same time-frequencies for carrying out signal modulation to multiple coded transmission signals.
7. source node according to claim 5 or 6, which is characterized in that the power distribution module is specifically used for using non-
Orthogonal multiple access technique carries out power distribution to each transmission signal, is all different the power of each transmission signal.
8. a kind of mixing FSO/RF link trunking transmitting device, which is characterized in that including as described in any one of claim 5 to 7
Source node, relay node and destination node；
The smooth mixed signal is converted to radio frequency letter for receiving light mixed signal by FSO channel by the relay node
Number, radio frequency mixed signal is obtained, the radio frequency mixed signal is sent to the destination node by RF channel；
The destination node eliminates the radio frequency mixed signal for receiving the radio frequency mixed signal by the RF channel
In interference signal, obtain transmission signal corresponding with the destination node.
9. mixing FSO/RF link trunking transmitting device according to claim 8, which is characterized in that the relay node,
Including：
Photodetector for receiving the smooth mixed signal by the FSO channel, and the smooth mixed signal is converted to
Radiofrequency signal obtains initial radio frequency mixed signal；
AF amplifier obtains the radio frequency mixed signal for amplifying to the initial radio frequency mixed signal；
RF signal projector, for the radio frequency mixed signal to be sent to the destination node by the RF channel.
10. mixing FSO/RF link trunking transmitting device according to claim 8, which is characterized in that the destination node,
Including：
Signal receiver, for receiving the radio frequency mixed signal by the RF channel；
Interference cancellation module obtains and the destination node for eliminating the interference signal in the radio frequency mixed signal
Corresponding transmission signal, the interference signal include transmission signal not corresponding with the destination node.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110519852A (en) * | 2019-08-28 | 2019-11-29 | 广东工业大学 | Communication means and relevant apparatus in a kind of multipoint wireless communication system |
| CN112054844A (en) * | 2019-06-05 | 2020-12-08 | 北京大学 | Multi-address access method and system in photoelectric hybrid network |
| CN112291001A (en) * | 2020-10-23 | 2021-01-29 | 军事科学院系统工程研究院网络信息研究所 | Electro-optical double-carrier mutual check free space communication method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150098707A1 (en) * | 2011-05-31 | 2015-04-09 | Aoptix Technologies, Inc. | Integrated Commercial Communications Network Using Radio Frequency and Free Space Optical Data Communication |
| CN107342811A (en) * | 2017-06-20 | 2017-11-10 | 中国矿业大学 | A kind of method for asking the descending NOMA of visible light communication system to minimize power |
| CN107911166A (en) * | 2017-11-14 | 2018-04-13 | 山东大学 | A kind of visible ray/radio frequency mixing collaboration communication method based on wireless energy harvesting with non-orthogonal multiple |
-
2018
- 2018-07-13 CN CN201810769666.1A patent/CN108923852A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150098707A1 (en) * | 2011-05-31 | 2015-04-09 | Aoptix Technologies, Inc. | Integrated Commercial Communications Network Using Radio Frequency and Free Space Optical Data Communication |
| CN107342811A (en) * | 2017-06-20 | 2017-11-10 | 中国矿业大学 | A kind of method for asking the descending NOMA of visible light communication system to minimize power |
| CN107911166A (en) * | 2017-11-14 | 2018-04-13 | 山东大学 | A kind of visible ray/radio frequency mixing collaboration communication method based on wireless energy harvesting with non-orthogonal multiple |
Non-Patent Citations (1)
| Title |
|---|
| MARZIEH NAJAFI 等: "Non-orthogonal multiple access for FSO backhauling", 《2018 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC)》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112054844A (en) * | 2019-06-05 | 2020-12-08 | 北京大学 | Multi-address access method and system in photoelectric hybrid network |
| CN112054844B (en) * | 2019-06-05 | 2021-06-15 | 北京大学 | Multi-address access method and system in photoelectric hybrid network |
| CN110519852A (en) * | 2019-08-28 | 2019-11-29 | 广东工业大学 | Communication means and relevant apparatus in a kind of multipoint wireless communication system |
| CN112291001A (en) * | 2020-10-23 | 2021-01-29 | 军事科学院系统工程研究院网络信息研究所 | Electro-optical double-carrier mutual check free space communication method |
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