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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- 230000005540 biological transmission Effects 0.000 title claims abstract description 175
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000003287 optical effect Effects 0.000 claims description 41
- 238000005562 fading Methods 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 5
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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
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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 the field of wireless communications, and in particular, to a relay transmission method and apparatus for a hybrid FSO/RF link, and a source node.
Background
The basic idea of the existing relay transmission system based on the hybrid RF/FSO (radio frequency/free space optical communication) link of OMA (orthogonal multiple access) is to adopt a traditional RF transmission mode on the high-mobility base station and mobile station link and an FSO transmission mode capable of providing higher speed and optical bandwidth on the low-mobility base station and relay link according to different characteristics of transmission environments on the basis of dividing orthogonal time-frequency resources, so that the advantages of the two transmission modes can be fully utilized to realize high-speed and high-efficiency information transmission.
However, existing hybrid RF/FSO systems often suffer from a shortage of spectrum resources based on OMA radio frequency transmission; with the development of new mobile services, the demand of wireless network resources is increasing explosively, and the above problems will become more and more severe.
Therefore, a technology capable of greatly improving the spectrum utilization rate and significantly alleviating the shortage of spectrum resources in the current multi-service requirement environment is needed.
Disclosure of Invention
In view of the above, the present invention provides a hybrid FSO/RF link relay transmission method, apparatus and source node, which can improve the spectrum utilization and the transmission signal throughput, and alleviate the shortage of spectrum resources. The specific scheme is as follows:
a relay transmission method of a hybrid FSO/RF link is applied to a source node and comprises the following steps:
generating a plurality of transmission signals at the same time frequency;
performing power distribution on each transmission signal to ensure that the power of each transmission signal is different;
superposing each transmission signal after power distribution into a mixed signal;
converting the mixed signal into an optical signal to obtain an optical mixed signal;
sending the optical mixed signal to a relay node through an FSO channel so that the relay node converts the optical mixed signal into a radio frequency signal to obtain a radio frequency mixed signal, and sending the radio frequency mixed signal to a destination node through an RF channel;
and the destination node receives the radio frequency mixed signal, eliminates an interference signal in the radio frequency mixed signal and obtains a transmission signal corresponding to the destination node.
Optionally, the process of generating a plurality of transmission signals in the same time frequency includes:
generating a plurality of initial transmission signals to be transmitted, and carrying out channel coding on the plurality of initial transmission signals to obtain a plurality of co-channel coded transmission signals;
and carrying out signal modulation on the plurality of coded transmission signals to obtain a plurality of transmission signals with the same time frequency.
Optionally, the FSO channel and the RF channel are subject to an M-fading distribution and a rayleigh-fading distribution, respectively.
Optionally, the allocating power to each transmission signal, so that the process of making the power of each transmission signal different includes:
and performing power distribution on each transmission signal by using a non-orthogonal multiple access technology to ensure that the power of each transmission signal is different.
The invention also discloses a source node, comprising:
the generating module is used for generating a plurality of transmission signals with the same time frequency;
the power distribution module is used for carrying out power distribution on each transmission signal so as to enable the power of each transmission signal to be different;
the superposition module is used for superposing each transmission signal after power distribution into the mixed signal;
the photoelectric conversion module is used for converting the mixed signal into an optical signal to obtain the optical mixed signal;
and the sending module is used for sending the optical mixed signal to the relay node through an FSO channel.
Optionally, the generating module includes:
a generating unit, configured to generate a plurality of initial transmission signals to be transmitted;
the channel coding unit is used for carrying out channel coding on the plurality of initial transmission signals to obtain a plurality of co-channel coded transmission signals;
and the modulation unit is used for carrying out signal modulation on the plurality of coded transmission signals to obtain a plurality of transmission signals with the same time frequency.
Optionally, the power allocation module is specifically configured to allocate power to each transmission signal by using a non-orthogonal multiple access technology, so that the power of each transmission signal is different.
The invention also discloses a hybrid FSO/RF link relay transmission device, which comprises the source node, the relay node and the destination node;
the relay node is used for receiving the optical mixed signal through the FSO channel, converting the optical mixed signal into a radio frequency signal to obtain a radio frequency mixed signal, and sending the radio frequency mixed signal to the destination node through the RF channel;
and the destination node is used for receiving the radio frequency mixed signal through the RF channel, eliminating an interference signal in the radio frequency mixed signal and obtaining a transmission signal corresponding to the destination node.
Optionally, the relay node includes:
the photoelectric detector is used for receiving the optical mixed signal through the FSO channel and converting the optical mixed signal into a radio frequency signal to obtain an initial radio frequency mixed signal;
the AF amplifier is used for amplifying the initial radio frequency mixed signal to obtain a radio frequency mixed signal;
an RF signal transmitter for transmitting the radio frequency composite signal to the destination node through the RF channel.
Optionally, the destination node includes:
a signal receiver for receiving the radio frequency composite signal over the RF channel;
and the interference elimination module is used for eliminating the interference signals in the radio frequency mixed signals to obtain transmission signals corresponding to the target node, wherein the interference signals comprise the transmission signals which do not correspond to the target node.
The invention discloses a relay transmission method of a hybrid FSO/RF link, which comprises the following steps: generating a plurality of transmission signals at the same time frequency; performing power distribution on each transmission signal to ensure that the power of each transmission signal is different; superposing each transmission signal after power distribution into a mixed signal; converting the mixed signal into an optical signal to obtain an optical mixed signal; the optical mixed signal is sent to a relay node through an FSO channel, so that the relay node converts the optical mixed signal into a radio frequency signal to obtain a radio frequency mixed signal, and the radio frequency mixed signal is sent to a target node through an RF channel; the target node receives the radio frequency mixed signal, eliminates an interference signal in the radio frequency mixed signal, and obtains a transmission signal corresponding to the target node.
The invention generates a plurality of transmission signals with the same time frequency, performs power distribution on the transmission signals with the same time frequency to ensure that the power of each transmission signal is different, thereby realizing superposition under the condition of ensuring the integrity of each transmission signal to obtain a mixed signal, further realizing that the plurality of transmission signals are transmitted in the same channel by using the same time frequency resource in the form of the mixed signal, eliminating interference signals in the radio frequency mixed signal after a target node receives the radio frequency mixed signal in the form of radio frequency to obtain the transmission signal corresponding to the target node, completing the relay transmission process of a mixed FSO/RF link, improving the spectrum utilization rate and the transmission signal throughput, and relieving the condition of spectrum resource shortage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic flow chart of a relay transmission method of a hybrid FSO/RF link according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of another hybrid FSO/RF link relay transmission method according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a source node structure according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a hybrid FSO/RF link relay transmission apparatus according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a relay transmission method of a hybrid FSO/RF link, which is shown in figure 1 and comprises the following steps:
s1: generating a plurality of transmission signals at the same time frequency;
s2: performing power distribution on each transmission signal to ensure that the power of each transmission signal is different;
s3: superposing each transmission signal after power distribution into a mixed signal;
s4: converting the mixed signal into an optical signal to obtain an optical mixed signal;
s5: the optical mixed signal is sent to a relay node through an FSO channel, so that the relay node converts the optical mixed signal into a radio frequency signal to obtain a radio frequency mixed signal, and the radio frequency mixed signal is sent to a target node through an RF channel;
the target node receives the radio frequency mixed signal, eliminates an interference signal in the radio frequency mixed signal, and obtains a transmission signal corresponding to the target node.
Specifically, when generating the transmission signal, the transmission signals sequentially sent to different users are not generated any more, but a plurality of transmission signals of simultaneous frequency sent to different users at the same time are generated; after the transmission signals are generated, power distribution is simultaneously carried out on each transmission signal correspondingly, different power is distributed for each transmission signal, the power of each transmission signal is different, therefore, a plurality of transmission signals with the same time frequency can be mutually superposed to be changed into a mixed signal, the mixed signal replaces a plurality of transmission signals with the same time frequency to be transmitted in the same channel, the simultaneous transmission of a plurality of transmission signals in the same channel is realized, a plurality of users share one channel, the transmission signal distributed to one user in the same channel is not processed any more, and the data throughput of the single channel is improved.
Specifically, after the mixed signal is converted into the optical signal, the optical mixed signal is sent to the relay node through a single FSO channel, the relay node converts the optical mixed signal into the radio frequency signal, the obtained radio frequency mixed signal is sent to the destination node through a single RF channel, and the destination node receives the radio frequency mixed signal.
Therefore, the embodiment of the invention generates a plurality of transmission signals in the same time frequency, performs power distribution on the plurality of transmission signals in the same time frequency, and makes the power of each transmission signal different, so as to realize superposition and obtain a mixed signal under the condition of ensuring the integrity of each transmission signal, thereby realizing that the plurality of transmission signals are transmitted in the same channel by using the same time frequency resource in the form of the mixed signal, and after the target node receives the radio frequency mixed signal in the form of radio frequency, the interference signal in the radio frequency mixed signal is eliminated, so as to obtain the transmission signal corresponding to the target node, thereby completing the relay transmission process of the mixed FSO/RF link, improving the spectrum utilization rate and the transmission signal throughput, and relieving the shortage of spectrum resources.
The embodiment of the invention discloses a specific hybrid FSO/RF link relay transmission method, and compared with the previous embodiment, the embodiment further explains and optimizes the technical scheme. Specifically, the method comprises the following steps:
specifically, referring to fig. 2, before performing power distribution on the transmission signal, the transmission signal needs to be encoded and modulated, and therefore, the process of generating a plurality of co-time-frequency transmission signals at S1 specifically includes S11 and S12; wherein,
s11: generating a plurality of initial transmission signals to be transmitted, and carrying out channel coding on the plurality of initial transmission signals to obtain a plurality of co-channel coded transmission signals;
s12: and carrying out signal modulation on the plurality of coded transmission signals to obtain a plurality of transmission signals with the same time frequency.
Specifically, a plurality of initial transmission signals to be transmitted, which are sent to different users, are generated, each initial transmission signal is subjected to channel coding, each initial transmission signal belongs to the same channel, a plurality of coded transmission signals of the same channel are obtained, and then modulation is performed, each coded transmission signal carries carriers of the same time slot and the same frequency, namely, the same time-frequency resource, so that a plurality of transmission signals of the same time frequency are obtained.
In the embodiment of the invention, the power distribution of each transmission signal is realized by utilizing the non-orthogonal multiple access technology, so that the power of each transmission signal is different.
Wherein, the FSO channel and the RF channel respectively obey M fading distribution and Rayleigh fading distribution.
Correspondingly, the embodiment of the present invention further discloses a source node, as shown in fig. 3, the source node includes:
the generating module is used for generating a plurality of transmission signals with the same time frequency;
the power distribution module is used for carrying out power distribution on each transmission signal so as to enable the power of each transmission signal to be different;
the superposition module is used for superposing each transmission signal after power distribution into a mixed signal;
the photoelectric conversion module is used for converting the mixed signal into an optical signal to obtain an optical mixed signal;
and the sending module is used for sending the optical mixed signal to the relay node through the FSO channel.
Therefore, the embodiment of the invention generates a plurality of transmission signals in the same time frequency, performs power distribution on the plurality of transmission signals in the same time frequency, and makes the power of each transmission signal different, so as to realize superposition and obtain a mixed signal under the condition of ensuring the integrity of each transmission signal, thereby realizing that the plurality of transmission signals are transmitted in the same channel by using the same time frequency resource in the form of the mixed signal, and after the target node receives the radio frequency mixed signal in the form of radio frequency, the interference signal in the radio frequency mixed signal is eliminated, so as to obtain the transmission signal corresponding to the target node, thereby completing the relay transmission process of the mixed FSO/RF link, improving the spectrum utilization rate and the transmission signal throughput, and relieving the shortage of spectrum resources.
Specifically, the generating module includes a generating unit, a channel coding unit, and a modulating unit; wherein,
a generating unit, configured to generate a plurality of initial transmission signals to be transmitted;
the channel coding unit is used for carrying out channel coding on the plurality of initial transmission signals to obtain a plurality of co-channel coded transmission signals;
and the modulation unit is used for carrying out signal modulation on the plurality of coded transmission signals to obtain a plurality of transmission signals with the same time frequency.
The power allocation module is specifically configured to allocate power to each transmission signal by using a non-orthogonal multiple access technique, so that the power of each transmission signal is different.
Wherein, the FSO channel and the RF channel respectively obey M fading distribution and Rayleigh fading distribution.
In addition, the embodiment of the present invention further discloses a hybrid FSO/RF link relay transmission apparatus, as shown in fig. 4, the apparatus includes the source node, the relay node, and the destination node as described above;
the relay node is used for converting the optical mixed signal into a radio frequency signal through the FSO channel to obtain a radio frequency mixed signal and sending the radio frequency mixed signal to the destination node through the RF channel;
and the destination node is used for receiving the radio frequency mixed signal through the RF channel, eliminating an interference signal in the radio frequency mixed signal and obtaining a transmission signal corresponding to the destination node.
The specific structure of the source node may refer to the foregoing embodiments, and is not described herein again.
Specifically, the relay node may include a photodetector, an AF amplifier, and an RF signal transmitter; wherein,
the photoelectric detector is used for receiving the optical mixed signal through the FSO channel and converting the optical mixed signal into a radio frequency signal to obtain an initial radio frequency mixed signal;
the AF amplifier is used for amplifying the initial radio frequency mixed signal to obtain a radio frequency mixed signal;
and an RF signal transmitter for transmitting the radio frequency mixed signal to the destination node through an RF channel.
The destination node may include a signal receiver and an interference cancellation module; wherein,
a signal receiver for receiving the radio frequency composite signal through the RF channel;
and the interference elimination module is used for eliminating interference signals in the radio frequency mixed signals to obtain transmission signals corresponding to the target node, wherein the interference signals comprise transmission signals which do not correspond to the target node.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The foregoing describes in detail a hybrid FSO/RF link relay transmission method, apparatus, and source node provided by the present invention, and a specific example is applied in the present document to explain the principle and implementation of the present invention, and the description of the foregoing embodiment is only used to help understanding the method and core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A relay transmission method of a hybrid FSO/RF link is applied to a source node and comprises the following steps:
generating a plurality of transmission signals at the same time frequency;
performing power distribution on each transmission signal to ensure that the power of each transmission signal is different;
superposing each transmission signal after power distribution into a mixed signal;
converting the mixed signal into an optical signal to obtain an optical mixed signal;
sending the optical mixed signal to a relay node through an FSO channel so that the relay node converts the optical mixed signal into a radio frequency signal to obtain a radio frequency mixed signal, and sending the radio frequency mixed signal to a destination node through an RF channel;
and the destination node receives the radio frequency mixed signal, eliminates an interference signal in the radio frequency mixed signal and obtains a transmission signal corresponding to the destination node.
2. The hybrid FSO/RF link relay transmission method according to claim 1, wherein said process of generating a plurality of co-time frequency transmission signals comprises:
generating a plurality of initial transmission signals to be transmitted, and carrying out channel coding on the plurality of initial transmission signals to obtain a plurality of co-channel coded transmission signals;
and carrying out signal modulation on the plurality of coded transmission signals to obtain a plurality of transmission signals with the same time frequency.
3. The hybrid FSO/RF link relay transmission method according to claim 1, wherein the FSO channel and the RF channel are subject to an M-fading distribution and a rayleigh fading distribution, respectively.
4. A hybrid FSO/RF link relay transmission method according to any of claims 1 to 3, wherein said process of allocating power to each transmission signal so that the power of each transmission signal is different comprises:
and performing power distribution on each transmission signal by using a non-orthogonal multiple access technology to ensure that the power of each transmission signal is different.
5. A source node, comprising:
the generating module is used for generating a plurality of transmission signals with the same time frequency;
the power distribution module is used for carrying out power distribution on each transmission signal so as to enable the power of each transmission signal to be different;
the superposition module is used for superposing each transmission signal after power distribution into the mixed signal;
the photoelectric conversion module is used for converting the mixed signal into an optical signal to obtain the optical mixed signal;
and the sending module is used for sending the optical mixed signal to the relay node through an FSO channel.
6. The source node of claim 5, wherein the generating module comprises:
a generating unit, configured to generate a plurality of initial transmission signals to be transmitted;
the channel coding unit is used for carrying out channel coding on the plurality of initial transmission signals to obtain a plurality of co-channel coded transmission signals;
and the modulation unit is used for carrying out signal modulation on the plurality of coded transmission signals to obtain a plurality of transmission signals with the same time frequency.
7. The source node according to claim 5 or 6, wherein the power allocation module is configured to allocate power to each transmission signal using a non-orthogonal multiple access technique, such that the power of each transmission signal is different.
8. A hybrid FSO/RF link relay transmission apparatus, comprising a source node, a relay node and a destination node according to any one of claims 5 to 7;
the relay node is used for receiving the optical mixed signal through the FSO channel, converting the optical mixed signal into a radio frequency signal to obtain a radio frequency mixed signal, and sending the radio frequency mixed signal to the destination node through the RF channel;
and the destination node is used for receiving the radio frequency mixed signal through the RF channel, eliminating an interference signal in the radio frequency mixed signal and obtaining a transmission signal corresponding to the destination node.
9. The hybrid FSO/RF link relay transmission apparatus of claim 8, wherein the relay node comprises:
the photoelectric detector is used for receiving the optical mixed signal through the FSO channel and converting the optical mixed signal into a radio frequency signal to obtain an initial radio frequency mixed signal;
the AF amplifier is used for amplifying the initial radio frequency mixed signal to obtain a radio frequency mixed signal;
an RF signal transmitter for transmitting the radio frequency composite signal to the destination node through the RF channel.
10. The hybrid FSO/RF link relay transmission apparatus of claim 8, wherein said destination node comprises:
a signal receiver for receiving the radio frequency composite signal over the RF channel;
and the interference elimination module is used for eliminating the interference signals in the radio frequency mixed signals to obtain transmission signals corresponding to the target node, wherein the interference signals comprise the transmission signals which do not correspond to the target 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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