CN108093381A - A kind of terminal energy transmissions method of frequency division duplex in Internet of Things - Google Patents
A kind of terminal energy transmissions method of frequency division duplex in Internet of Things Download PDFInfo
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- CN108093381A CN108093381A CN201711446644.3A CN201711446644A CN108093381A CN 108093381 A CN108093381 A CN 108093381A CN 201711446644 A CN201711446644 A CN 201711446644A CN 108093381 A CN108093381 A CN 108093381A
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
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- H04B5/79—
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
Abstract
The present invention relates to a kind of terminal energy transmissions method of frequency division duplex in Internet of Things, including：S1, the first communication node is detected self electric quantity Expenditure Levels and sends energy management information under mode of frequency division duplexing；S2, the second communication node send energy transmission direction acquisition signal to the first communication node after receiving the energy management information；S3, the first communication node receive energy transmission direction acquisition signal and determine the energy position of energy transmission antenna set module transfer, and energy transmission direction information is fed back to the second communication node；Configuration energy transmission antenna collection modules are according to energy transmission direction transmission energy after S4, the second communication node receive energy transmission directional information；S5, the first communication node receive energy transmission antenna set module transfer energy and to the second communication node feedback informations；S6, the classification for judging the feedback information that the second communication node receives.The maintenance cost of user is effectively reduced, improves the service efficiency of network.
Description
Technical field
The invention belongs to a kind of final energies of frequency division duplex in wireless communication technique improvement areas more particularly to Internet of Things
Transmission method.
Background technology
5G will meet diversified business demand of the people in various regions such as inhabitation, work, leisure and traffic, even if close
Collect residential quarter, office, stadium, outdoor rally, subway, through street, high ferro and wide area covering etc. with ultra high flux density,
Superelevation connection number density, the scene of ultrahigh-mobility feature, or user provides ultra high-definition video, virtual reality, enhancing
The ultimate attainment business experiences such as reality, cloud desktop, game on line.At the same time, 5G will also penetrate into Internet of Things and various industries field,
It is merged with industrial plants, Medical Instruments, vehicles even depth, effectively meets the various of the vertical industries such as industry, medical treatment, traffic
Change business demand, realize really " all things on earth interconnection ".
5G application scenarios can be divided into two major classes, i.e. mobile broadband (MBB, Mobile Broadband) and Internet of Things
(IoT, Internet of Things).Wherein, the major technique demand of mobile broadband access is high power capacity, provides high data
Rate, to meet constantly increasing for data traffic requirement.Internet of Things is mainly by machine communication（MTC, Machine Type
Communication）The driving of demand can be further divided into two types, the magnanimity machine communication including low rate（MMC,
Massive Machine Communication）The highly reliable machine communication with low time delay.Wherein, for the magnanimity of low rate
Machine communication, the access of magnanimity node low rate, the data packet of transmission is usually smaller, and interval time can be relatively long, this kind of node
Cost and power consumption generally also can be very low；For the highly reliable machine communication of low time delay, it is mainly directed towards real-time and reliability will
Ask the machine communication that comparison is high, such as real-time alert, real time monitoring etc..
In 5th Generation Mobile Communication System, the core scenario for needing most further investigation is exactly machine communication, such as industry
4.0th, the hot fields in car networking, robot etc. future are all the typical cases of this scenes of internet of things, if based on tradition
Mobile communication system to support machine communication, can bring makes the energy consumption of terminal very high and what energy can not be replenished in time asks
Topic.
The content of the invention
It is an object of the invention to provide a kind of terminal energy transmissions methods of frequency division duplex in Internet of Things, it is intended to solve machine
The energy consumption of terminal is very high and the technical issues of energy can not be replenished in time in device communication.
The present invention is achieved in that a kind of terminal energy transmissions method of frequency division duplex in Internet of Things, the terminal energy
Amount transmission method comprises the following steps：
S1, the first communication node is detected self electric quantity Expenditure Levels and sends energy management letter under mode of frequency division duplexing
Breath；
S2, the second communication node send energy transmission direction acquisition signal to the first communication after receiving the energy management information
Node；
S3, the first communication node receive energy transmission direction and obtain the energy that signal determines energy transmission antenna set module transfer
Direction, and energy transmission direction information is fed back into the second communication node；
Configuration energy transmission antenna collection modules are according to energy transmission after S4, the second communication node receive energy transmission directional information
Direction transmission energy；
S5, the first communication node receive energy transmission antenna set module transfer energy and to the second communication node feedback informations；
S6, the classification for judging the feedback information that the second communication node receives；If feedback information is energy harvesting efficiency information, judge
Energy harvesting efficiency is less than third predetermined value or energy harvesting efficiency and is more than the 4th predetermined value, such as less than third predetermined value, then and the
Two communication nodes notice third communication node increases the energy sent, such as larger than the 4th predetermined value, then the second communication node notifies
Third communication node reduces the energy sent；If feedback information sends information to stop energy, the second communication node notifies the
Three communication nodes close and stop energy transmission.
The present invention further technical solution be：It is further comprising the steps of in the step S1：
S11, judge detect whether electricity is less than first predetermined value or electric quantity consumption is more than second predetermined value within a predetermined period of time,
If so, then the first communication node sends energy management information, if not, not sending information.
The present invention further technical solution be：It is further comprising the steps of in the step S2：
S21, the activation of the second communication node carry the energy transmission antenna set module of N root antennas；
S22, the second communication node select T roots antenna to send energy transmission direction from N root antennas and obtain signal；
Wherein, N is the integer more than or equal to 128, and T is the integer more than N/20 and less than N.
The present invention further technical solution be：It is further comprising the steps of in the step S3：
S31, the second channel arrow for replying N root antennas from the first channel vector of obtained T root antennas by compressed sensing algorithm
Amount；
S32, right singular matrix is obtained to the covariance matrix progress singular value decomposition of channel vector；
S33, the energy position for determining energy transmission antenna set module transfer is arranged according to the preceding Z of right singular matrix；
Wherein, Z is the integer for being less than or equal to N more than or equal to 1.
The present invention further technical solution be：The first predetermined value is the first communication node electricity maximum
10%, the predetermined amount of time is 30 days, and the second predetermined value is the 5% of the first communication node electricity maximum, described
Third predetermined value is 1%/hour of the first communication node electricity maximum, and the 4th predetermined value is the described first communication
3%/hour of node electricity maximum.
The present invention further technical solution be：The N roots antenna of the energy transmission antenna set is arranged for rectangle or straight line
Row, T root antennas are obtained from the selection of N root antennas equal intervals；The N roots antenna of the energy transmission antenna set is other rows
Row, the T roots antenna is to randomly select to obtain from N root antennas.
The present invention further technical solution be：The solar recharging module startup time of first communication node is more than
1 it is small when, first communication node sends the stopping energy and sends information；The electricity of first communication node reaches 90%
More than, first communication node sends the stopping energy and sends information.
The present invention further technical solution be：The sending cycle that first communication node and the second communication node are consulted
Energy harvesting efficiency information is sent to property information cycle, when the sending cycle is small more than or equal to 6.
The present invention further technical solution be：Described continuous Y times energy harvesting effect received of second communication node
Rate information obtains energy transmission efficiency and is respectively less than third predetermined value, and second communication node is sent to exception control data center
The instruction of the information of first communication node operation irregularity, wherein, Y is the integer more than or equal to 3.
The present invention further technical solution be：The information of the first communication node operation irregularity includes the first communication section
The identification information of point, type information, location information, the one or more of usage time information.
The beneficial effects of the invention are as follows：It can not be replenished in time using the very high and energy present method solves the energy consumption of terminal
The problem of, the maintenance cost of user is effectively reduced, improves the service efficiency of network, reaches the demand of " green communications ".
Description of the drawings
Fig. 1 is the flow chart of the terminal energy transmissions method of frequency division duplex in Internet of Things provided in an embodiment of the present invention.
Fig. 2 is energy transmission node antennas selection schematic diagram provided in an embodiment of the present invention.
Specific embodiment
As shown in Figure 1, in Internet of Things provided by the invention frequency division duplex terminal energy transmissions method, details are as follows：
Step S1, the first communication node is detected self electric quantity Expenditure Levels and sends energy pipe under mode of frequency division duplexing
Manage information；The first communication node being operated under mode of frequency division duplexing is detected self electric quantity Expenditure Levels, if electricity
Electric quantity consumption less than first predetermined value or within a predetermined period of time is higher than second predetermined value, then first communication node is sent
Energy management information；The first predetermined value is the 10% of the first communication node electricity maximum, and the predetermined amount of time is
30 days, the second predetermined value was the 5% of the first communication node electricity maximum, and first communication node sends energy
The running time-frequency resource of management information is that multiple first communication nodes are shared, and different first communication nodes have different code words.It is described
Energy management information includes the location information of first communication node.
Step S2, the second communication node receive send after the energy management information energy transmission direction obtain signal to
First communication node；After second communication node receives the energy management information, activate oneself carrying comprising N root antennas
Energy transmission antenna set module, second communication node select T roots antenna to send energy transmission side from the N roots antenna
To acquisition signal to first communication node, wherein, N is the integer more than or equal to 128, and T is more than N/20 and less than N's
Integer；The N roots antenna that the energy transmission antenna set includes is rectangle or arranged in a straight line, then the T roots antenna is from the N roots
Antenna equal intervals are chosen to obtain；If the N roots antenna that the energy transmission antenna set includes is other arrangements, the T
Root antenna randomly selects to obtain from the N roots antenna.
Step S3, the first communication node receive energy transmission direction acquisition signal and determine that energy transmission antenna set module passes
Defeated energy position, and energy transmission direction information is fed back into the second communication node；Described in first communication node receives
Energy transmission direction obtains signal, recovers institute from the first channel vector of the obtained T roots antenna by compressed sensing algorithm
The second channel vector of N root antennas is stated, carrying out singular value decomposition to the covariance matrix of the channel vector obtains right unusual square
Battle array determines the energy position of the energy transmission antenna set module transfer based on the preceding Z row of the right singular matrix, and by institute
It states energy transmission directional information and feeds back to second communication node, wherein, Z is the integer for being less than or equal to N more than or equal to 1；Institute
It states Z values to be equal in N number of singular value of the covariance matrix, not less than the singular value number of 0.9* maximum singular values.
Step S4, the second communication node receive energy transmission directional information after configuration energy transmission antenna collection modules according to
Energy transmission direction transmission energy；After second communication node receives the energy transmission directional information, the energy is configured
Transmission antenna collection modules are measured according to energy transmission direction transmission energy；If the solar charging of first communication node
When the electric module startup working time is more than 1 small, then first communication node sends the stopping energy and sends information, Huo Zheru
The electricity of the first communication node reaches more than 90% described in fruit, then first communication node sends the stopping energy and sends letter
Breath.
Step S5, the first communication node reception energy transmission antenna set module transfer energy are simultaneously anti-to the second communication node
Feedforward information；First communication node receives the energy, and feeds back energy harvesting efficiency information to second communication node
Or stop energy and send information.
Step S6 judges the classification for the feedback information that the second communication node receives；If feedback information is energy harvesting efficiency
Information judges that energy harvesting efficiency is less than third predetermined value or energy harvesting efficiency is more than the 4th predetermined value, and the such as less than the 3rd is pre-
Definite value, the then energy that the increase of the second communication node notice third communication node is sent, such as larger than the 4th predetermined value, then the second communication
Node notice third communication node reduces the energy sent；If feedback information sends information, the second communication section to stop energy
Point notice third communication node closes and stops energy transmission.
Second communication node receives the energy harvesting efficiency information, if energy harvesting efficiency is pre- less than the 3rd
Definite value, the then energy that the second communication node increase energy transmission antenna set module is sent, if energy harvesting efficiency is big
In the 4th predetermined value, the then energy that the second communication node reduction energy transmission antenna set module is sent；Described
Two communication nodes, which receive, stops energy transmission information, then second communication node closes energy transmission antenna set module,
Stop energy sending.
Send institute to sending cycle information cycle property of first communication node based on the negotiation with the second communication node
Energy harvesting efficiency information is stated, wherein, when the sending cycle is small more than or equal to 6.
It is all small that described continuous Y times energy harvesting efficiency information received of second communication node obtains energy transmission efficiency
In third predetermined value, then the second communication node transmission indicates the information of the first communication node operation irregularity to abnormal control
Data center processed, wherein Y are the integer more than or equal to 3.
One below is included at least in the information of the first communication node operation irregularity：The mark of first communication node
Know information, the type information of first communication node, the location information of first communication node, first communication node
Usage time information.
Embodiment 1
The terminal-pair self electric quantity Expenditure Levels being operated under mode of frequency division duplexing are detected, if electricity is predetermined less than first
It is worth or electric quantity consumption within a predetermined period of time is higher than second predetermined value, then terminal sends energy management information.
After base station receives the energy management information, the energy transmission antenna for including N root antennas of oneself carrying is activated
Collection modules, base station select T roots antenna to send energy transmission direction from the N roots antenna and obtain signal to terminal, wherein, N
To be more than or equal to 128 integer, T is the integer more than N/20 and less than N.
Terminal receives the energy transmission direction and obtains signal, by compressed sensing algorithm from the obtained T roots antenna
The first channel vector recover the second channel vector of the N roots antenna, the covariance matrix of the channel vector is carried out strange
Different value decomposes to obtain right singular matrix, and the energy transmission antenna set module is determined based on the preceding Z row of the right singular matrix
The energy position of transmission, and the energy transmission directional information is fed back into base station, wherein, Z is to be less than or equal to N more than or equal to 1
Integer.
After base station receives the energy transmission directional information, the energy transmission antenna set module is configured according to described
Energy transmission direction transmission energy.
Terminal receives the energy, and to base station feedback energy harvesting efficiency information or stops energy transmission information.
If base station receives the energy harvesting efficiency information, if energy harvesting efficiency is less than third predetermined value,
Base station increases the energy that energy transmission antenna set module is sent, if energy harvesting efficiency is more than the 4th predetermined value, base station
Reduce the energy that the energy transmission antenna set module is sent.
If base station, which receives, stops energy transmission information, base station closes energy transmission antenna set module, stops energy
Amount is sent.
Embodiment 2
The terminal-pair self electric quantity Expenditure Levels being operated under mode of frequency division duplexing are detected, if electricity is predetermined less than first
It is worth or electric quantity consumption within a predetermined period of time is higher than second predetermined value, then terminal sends energy management information.Preferably, it is described
First predetermined value is the 10% of terminal power maximum, and the predetermined amount of time is 30 days, and the second predetermined value is terminal power
The 5% of maximum.
After base station receives the energy management information, the energy transmission antenna for including N root antennas of oneself carrying is activated
Collection modules, base station select T roots antenna to send energy transmission direction from the N roots antenna and obtain signal to terminal, wherein, N
To be more than or equal to 128 integer, T is the integer more than N/20 and less than N.
Terminal receives the energy transmission direction and obtains signal, by compressed sensing algorithm from the obtained T roots antenna
The first channel vector recover the second channel vector of the N roots antenna, the covariance matrix of the channel vector is carried out strange
Different value decomposes to obtain right singular matrix, and the energy transmission antenna set module is determined based on the preceding Z row of the right singular matrix
The energy position of transmission, and the energy transmission directional information is fed back into base station, wherein, Z is to be less than or equal to N more than or equal to 1
Integer.
After base station receives the energy transmission directional information, the energy transmission antenna set module is configured according to described
Energy transmission direction transmission energy.
Terminal receives the energy, and to base station feedback energy harvesting efficiency information or stops energy transmission information.
If base station receives the energy harvesting efficiency information, if energy harvesting efficiency is less than third predetermined value,
Base station increases the energy that energy transmission antenna set module is sent, if energy harvesting efficiency is more than the 4th predetermined value, base station
Reduce the energy that the energy transmission antenna set module is sent.Preferably, the third predetermined value is terminal power maximum
1%/hour, the 4th predetermined value be terminal power maximum 3%/hour.
If base station, which receives, stops energy transmission information, base station closes energy transmission antenna set module, stops energy
Amount is sent.
Embodiment 3
The terminal-pair self electric quantity Expenditure Levels being operated under mode of frequency division duplexing are detected, if electricity is predetermined less than first
It is worth or electric quantity consumption within a predetermined period of time is higher than second predetermined value, then terminal sends energy management information.Preferably, terminal
The running time-frequency resource for sending energy management information is that multiple first communication nodes are shared, and different first communication nodes have different codes
Word can distinguish user well while saving control resource.
After base station receives the energy management information, the energy transmission antenna for including N root antennas of oneself carrying is activated
Collection modules, base station select T roots antenna to send energy transmission direction from the N roots antenna and obtain signal to terminal, wherein, N
To be more than or equal to 128 integer, T is the integer more than N/20 and less than N.
Terminal receives the energy transmission direction and obtains signal, by compressed sensing algorithm from the obtained T roots antenna
The first channel vector recover the second channel vector of the N roots antenna, the covariance matrix of the channel vector is carried out strange
Different value decomposes to obtain right singular matrix, and the energy transmission antenna set module is determined based on the preceding Z row of the right singular matrix
The energy position of transmission, and the energy transmission directional information is fed back into base station, wherein, Z is to be less than or equal to N more than or equal to 1
Integer.
After base station receives the energy transmission directional information, the energy transmission antenna set module is configured according to described
Energy transmission direction transmission energy.
Terminal receives the energy, and to base station feedback energy harvesting efficiency information or stops energy transmission information.
If base station receives the energy harvesting efficiency information, if energy harvesting efficiency is less than third predetermined value,
Base station increases the energy that energy transmission antenna set module is sent, if energy harvesting efficiency is more than the 4th predetermined value, base station
Reduce the energy that the energy transmission antenna set module is sent.
If base station, which receives, stops energy transmission information, base station closes energy transmission antenna set module, stops energy
Amount is sent.
Embodiment 4
The terminal-pair self electric quantity Expenditure Levels being operated under mode of frequency division duplexing are detected, if electricity is predetermined less than first
It is worth or electric quantity consumption within a predetermined period of time is higher than second predetermined value, then terminal sends energy management information.
After base station receives the energy management information, the energy transmission antenna for including N root antennas of oneself carrying is activated
Collection modules, base station select T roots antenna to send energy transmission direction from the N roots antenna and obtain signal to terminal, wherein, N
To be more than or equal to 128 integer, T is the integer more than N/20 and less than N.Preferably, if the energy transmission antenna set
Comprising N roots antenna for rectangle or arranged in a straight line, then the T roots antenna is chosen to obtain from the N roots antenna equal intervals（Such as figure
Shown in 2, thick line represents the antenna chosen, every 2 day line selections one）；If the N roots that the energy transmission antenna set includes
Antenna is other arrangements, then the T roots antenna randomly selects to obtain from the N roots antenna.
Terminal receives the energy transmission direction and obtains signal, by compressed sensing algorithm from the obtained T roots antenna
The first channel vector recover the second channel vector of the N roots antenna, the covariance matrix of the channel vector is carried out strange
Different value decomposes to obtain right singular matrix, and the energy transmission antenna set module is determined based on the preceding Z row of the right singular matrix
The energy position of transmission, and the energy transmission directional information is fed back into base station, wherein, Z is to be less than or equal to N more than or equal to 1
Integer.
After base station receives the energy transmission directional information, the energy transmission antenna set module is configured according to described
Energy transmission direction transmission energy.
Terminal receives the energy, and to base station feedback energy harvesting efficiency information or stops energy transmission information.
If base station receives the energy harvesting efficiency information, if energy harvesting efficiency is less than third predetermined value,
Base station increases the energy that energy transmission antenna set module is sent, if energy harvesting efficiency is more than the 4th predetermined value, base station
Reduce the energy that the energy transmission antenna set module is sent.
If base station, which receives, stops energy transmission information, base station closes energy transmission antenna set module, stops energy
Amount is sent.
Embodiment 5
The terminal-pair self electric quantity Expenditure Levels being operated under mode of frequency division duplexing are detected, if electricity is predetermined less than first
It is worth or electric quantity consumption within a predetermined period of time is higher than second predetermined value, then terminal sends energy management information.
After base station receives the energy management information, the energy transmission antenna for including N root antennas of oneself carrying is activated
Collection modules, base station select T roots antenna to send energy transmission direction from the N roots antenna and obtain signal to terminal, wherein, N
To be more than or equal to 128 integer, T is the integer more than N/20 and less than N.
Terminal receives the energy transmission direction and obtains signal, by compressed sensing algorithm from the obtained T roots antenna
The first channel vector recover the second channel vector of the N roots antenna, the covariance matrix of the channel vector is carried out strange
Different value decomposes to obtain right singular matrix, and the energy transmission antenna set module is determined based on the preceding Z row of the right singular matrix
The energy position of transmission, and the energy transmission directional information is fed back into base station, wherein, Z is to be less than or equal to N more than or equal to 1
Integer.Preferably, the Z values are equal in N number of singular value of the covariance matrix, are not less than（0.9* maximum singular values）'s
Singular value number.For example, one shares 5 singular values（10,9.5,9.3,6,2）, then qualified singular value be（10,9.5,
9.3）, the value of Z is 3.
After base station receives the energy transmission directional information, the energy transmission antenna set module is configured according to described
Energy transmission direction transmission energy.
Terminal receives the energy, and to base station feedback energy harvesting efficiency information or stops energy transmission information.
If base station receives the energy harvesting efficiency information, if energy harvesting efficiency is less than third predetermined value,
Base station increases the energy that energy transmission antenna set module is sent, if energy harvesting efficiency is more than the 4th predetermined value, base station
Reduce the energy that the energy transmission antenna set module is sent.
If base station, which receives, stops energy transmission information, base station closes energy transmission antenna set module, stops energy
Amount is sent.
Embodiment 6
The terminal-pair self electric quantity Expenditure Levels being operated under mode of frequency division duplexing are detected, if electricity is predetermined less than first
It is worth or electric quantity consumption within a predetermined period of time is higher than second predetermined value, then terminal sends energy management information.
After base station receives the energy management information, the energy transmission antenna for including N root antennas of oneself carrying is activated
Collection modules, base station select T roots antenna to send energy transmission direction from the N roots antenna and obtain signal to terminal, wherein, N
To be more than or equal to 128 integer, T is the integer more than N/20 and less than N.
Terminal receives the energy transmission direction and obtains signal, by compressed sensing algorithm from the obtained T roots antenna
The first channel vector recover the second channel vector of the N roots antenna, the covariance matrix of the channel vector is carried out strange
Different value decomposes to obtain right singular matrix, and the energy transmission antenna set module is determined based on the preceding Z row of the right singular matrix
The energy position of transmission, and the energy transmission directional information is fed back into base station, wherein, Z is to be less than or equal to N more than or equal to 1
Integer.
After base station receives the energy transmission directional information, the energy transmission antenna set module is configured according to described
Energy transmission direction transmission energy.
Terminal receives the energy, and to base station feedback energy harvesting efficiency information or stops energy transmission information.It is preferred that
Ground, if the solar recharging module startup working time of terminal is more than 1 small, terminal, which sends the stopping energy and sends, to be believed
It ceases or if the electricity of terminal reaches more than 90%, terminal sends the stopping energy and sends information.
If base station receives the energy harvesting efficiency information, if energy harvesting efficiency is less than third predetermined value,
Base station increases the energy that energy transmission antenna set module is sent, if energy harvesting efficiency is more than the 4th predetermined value, base station
Reduce the energy that the energy transmission antenna set module is sent.
If base station, which receives, stops energy transmission information, base station closes energy transmission antenna set module, stops energy
Amount is sent.
Embodiment 7
The terminal-pair self electric quantity Expenditure Levels being operated under mode of frequency division duplexing are detected, if electricity is predetermined less than first
It is worth or electric quantity consumption within a predetermined period of time is higher than second predetermined value, then terminal sends energy management information.
After base station receives the energy management information, the energy transmission antenna for including N root antennas of oneself carrying is activated
Collection modules, base station select T roots antenna to send energy transmission direction from the N roots antenna and obtain signal to terminal, wherein, N
To be more than or equal to 128 integer, T is the integer more than N/20 and less than N.
Terminal receives the energy transmission direction and obtains signal, by compressed sensing algorithm from the obtained T roots antenna
The first channel vector recover the second channel vector of the N roots antenna, the covariance matrix of the channel vector is carried out strange
Different value decomposes to obtain right singular matrix, and the energy transmission antenna set module is determined based on the preceding Z row of the right singular matrix
The energy position of transmission, and the energy transmission directional information is fed back into base station, wherein, Z is to be less than or equal to N more than or equal to 1
Integer.
After base station receives the energy transmission directional information, the energy transmission antenna set module is configured according to described
Energy transmission direction transmission energy.
Terminal receives the energy, and to base station feedback energy harvesting efficiency information or stops energy transmission information.
If base station receives the energy harvesting efficiency information, if energy harvesting efficiency is less than third predetermined value,
Base station increases the energy that energy transmission antenna set module is sent, if energy harvesting efficiency is more than the 4th predetermined value, base station
Reduce the energy that the energy transmission antenna set module is sent.Preferably, if continuous Y times of the base station energy received obtains
Efficiency information is taken to obtain energy transmission efficiency and is both less than third predetermined value, then base station send instruction terminal operation irregularity information to
Exception control data center, wherein Y are the integer more than or equal to 3.
If base station, which receives, stops energy transmission information, base station closes energy transmission antenna set module, stops energy
Amount is sent.
Embodiment 8
The terminal-pair self electric quantity Expenditure Levels being operated under mode of frequency division duplexing are detected, if electricity is predetermined less than first
It is worth or electric quantity consumption within a predetermined period of time is higher than second predetermined value, then terminal sends energy management information.Preferably, it is described
Energy management information includes the location information of terminal.
After base station receives the energy management information, the energy transmission antenna for including N root antennas of oneself carrying is activated
Collection modules, base station select T roots antenna to send energy transmission direction from the N roots antenna and obtain signal to terminal, wherein, N
To be more than or equal to 128 integer, T is the integer more than N/20 and less than N.
Terminal receives the energy transmission direction and obtains signal, by compressed sensing algorithm from the obtained T roots antenna
The first channel vector recover the second channel vector of the N roots antenna, the covariance matrix of the channel vector is carried out strange
Different value decomposes to obtain right singular matrix, and the energy transmission antenna set module is determined based on the preceding Z row of the right singular matrix
The energy position of transmission, and the energy transmission directional information is fed back into base station, wherein, Z is to be less than or equal to N more than or equal to 1
Integer.
After base station receives the energy transmission directional information, the energy transmission antenna set module is configured according to described
Energy transmission direction transmission energy.
Terminal receives the energy, and to base station feedback energy harvesting efficiency information or stops energy transmission information.
If base station receives the energy harvesting efficiency information, if energy harvesting efficiency is less than third predetermined value,
Base station increases the energy that energy transmission antenna set module is sent, if energy harvesting efficiency is more than the 4th predetermined value, base station
Reduce the energy that the energy transmission antenna set module is sent.Preferably, if continuous Y times of the base station energy received obtains
Efficiency information is taken to obtain energy transmission efficiency and is both less than third predetermined value, then base station send instruction terminal operation irregularity information to
Exception control data center, wherein Y are the integer more than or equal to 3.Preferably, in the information of the instruction terminal operation irregularity extremely
Include one below less：The identification information of terminal, the type information of terminal, the location information of terminal, the enabling time letter of terminal
Breath, exception control data center generate abnormality processing scheme according to these information and are sent to maintenance personnel.
It is to be appreciated that in above-described embodiment, base station carries out uplink communication with terminal by frequency f2, is carried out by frequency f1
Downlink communication, energy transmission unit is by frequency f1 to terminal transmission energy.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of terminal energy transmissions method of frequency division duplex in Internet of Things, which is characterized in that the terminal energy transmissions method
Comprise the following steps：
S1, the first communication node is detected self electric quantity Expenditure Levels and sends energy management letter under mode of frequency division duplexing
Breath；
S2, the second communication node send energy transmission direction acquisition signal to the first communication after receiving the energy management information
Node；
S3, the first communication node receive energy transmission direction and obtain the energy that signal determines energy transmission antenna set module transfer
Direction, and energy transmission direction information is fed back into the second communication node；
Configuration energy transmission antenna collection modules are according to energy transmission after S4, the second communication node receive energy transmission directional information
Direction transmission energy；
S5, the first communication node receive energy transmission antenna set module transfer energy and to the second communication node feedback informations；
S6, the classification for judging the feedback information that the second communication node receives；If feedback information is energy harvesting efficiency information, judge
Energy harvesting efficiency is less than third predetermined value or energy harvesting efficiency and is more than the 4th predetermined value, such as less than third predetermined value, then and the
Two communication nodes notice third communication node increases the energy sent, such as larger than the 4th predetermined value, then the second communication node notifies
Third communication node reduces the energy sent；If feedback information sends information to stop energy, the second communication node notifies the
Three communication nodes close and stop energy transmission.
2. the terminal energy transmissions method of frequency division duplex in Internet of Things according to claim 1, which is characterized in that the step
It is further comprising the steps of in rapid S1：
S11, judge detect whether electricity is less than first predetermined value or electric quantity consumption is more than second predetermined value within a predetermined period of time,
If so, then the first communication node sends energy management information, if not, not sending information.
3. the terminal energy transmissions method of frequency division duplex in Internet of Things according to claim 2, which is characterized in that the step
It is further comprising the steps of in rapid S2：
S21, the activation of the second communication node carry the energy transmission antenna set module of N root antennas；
S22, the second communication node select T roots antenna to send energy transmission direction from N root antennas and obtain signal；
Wherein, N is the integer more than or equal to 128, and T is the integer more than N/20 and less than N.
4. the terminal energy transmissions method of frequency division duplex in Internet of Things according to claim 3, which is characterized in that the step
It is further comprising the steps of in rapid S3：
S31, the second channel arrow for replying N root antennas from the first channel vector of obtained T root antennas by compressed sensing algorithm
Amount；
S32, right singular matrix is obtained to the covariance matrix progress singular value decomposition of channel vector；
S33, the energy position for determining energy transmission antenna set module transfer is arranged according to the preceding Z of right singular matrix；
Wherein, Z is the integer for being less than or equal to N more than or equal to 1.
5. the terminal energy transmissions method of frequency division duplex in Internet of Things according to claim 4, which is characterized in that described
One predetermined value is the 10% of the first communication node electricity maximum, and the predetermined amount of time is 30 days, the second predetermined value
For the 5% of the first communication node electricity maximum, the third predetermined value is the first communication node electricity maximum
1%/hour, the 4th predetermined value are 3%/hour of the first communication node electricity maximum.
6. the terminal energy transmissions method of frequency division duplex in Internet of Things according to claim 5, which is characterized in that the energy
The N roots antenna of transmission antenna set is measured as rectangle or arranged in a straight line, T root antennas are obtained from the selection of N root antennas equal intervals；
The N roots antenna of the energy transmission antenna set is other arrangements, and the T roots antenna is to randomly select to obtain from N root antennas.
7. the terminal energy transmissions method of frequency division duplex in Internet of Things according to claim 6, which is characterized in that described
When the solar recharging module startup time of one communication node is small more than 1, first communication node sends the stopping energy
Send information；The electricity of first communication node reaches more than 90%, and first communication node sends the stopping energy hair
It delivers letters breath.
8. the terminal energy transmissions method of frequency division duplex in Internet of Things according to claim 7, which is characterized in that described
Send energy harvesting efficiency information, the hair to sending cycle property information cycle that one communication node and the second communication node are consulted
When sending the cycle small more than or equal to 6.
9. the terminal energy transmissions method of frequency division duplex in Internet of Things according to claim 8, which is characterized in that described
Continuous Y times energy harvesting efficiency information received of two communication nodes obtains energy transmission efficiency and is respectively less than third predetermined value,
Second communication node sends the instruction of the information of the first communication node operation irregularity to exception control data center, wherein, Y
To be more than or equal to 3 integer.
10. the terminal energy transmissions method of frequency division duplex in Internet of Things according to claim 9, which is characterized in that described
When identification information of the information of the first communication node operation irregularity including the first communication node, type information, location information, use
Between information one or more.
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| CN102369648A (en) * | 2009-02-04 | 2012-03-07 | 英特尔移动通信技术有限公司 | Determining device, method for determining of transmitting parameter, energy transmitting device and method for wirelessly transmitting energy |
| US20120309295A1 (en) * | 2011-05-31 | 2012-12-06 | Yael Maguire | Passively powering a wireless communications device |
| CN103875157A (en) * | 2011-10-14 | 2014-06-18 | 英派尔科技开发有限公司 | Mobile terminal, power transfer system and computer-readable storage medium |
| CN106787001A (en) * | 2017-02-27 | 2017-05-31 | 上海斐讯数据通信技术有限公司 | A kind of wireless charging feedback method and system |
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|---|---|---|---|---|
| CN102369648A (en) * | 2009-02-04 | 2012-03-07 | 英特尔移动通信技术有限公司 | Determining device, method for determining of transmitting parameter, energy transmitting device and method for wirelessly transmitting energy |
| US20120309295A1 (en) * | 2011-05-31 | 2012-12-06 | Yael Maguire | Passively powering a wireless communications device |
| CN103875157A (en) * | 2011-10-14 | 2014-06-18 | 英派尔科技开发有限公司 | Mobile terminal, power transfer system and computer-readable storage medium |
| CN106787001A (en) * | 2017-02-27 | 2017-05-31 | 上海斐讯数据通信技术有限公司 | A kind of wireless charging feedback method and system |
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