CN108093381B - 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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- CN108093381B CN108093381B CN201711446644.3A CN201711446644A CN108093381B CN 108093381 B CN108093381 B CN 108093381B CN 201711446644 A CN201711446644 A CN 201711446644A CN 108093381 B CN108093381 B CN 108093381B
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000004891 communication Methods 0.000 claims abstract description 142
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer
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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
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Abstract
The present invention relates to a kind of terminal energy transmissions methods of frequency division duplex in Internet of Things, comprising: S1, the first communication node detects 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 received feedback information of the second communication node.The maintenance cost for effectively reducing user 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 technique
5G will meet people in the diversified business demand in the various regions such as inhabitation, work, leisure and traffic, even if close
Collect residential quarter, office, stadium, outdoor rally, subway, through street, high-speed rail and wide area covering etc. with ultra high flux density,
Superelevation connects 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 multiplicity of the vertical industries such as industry, medical treatment, traffic
Change business demand, realizes 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 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, magnanimity machine communication including low rate (MMC,
Massive Machine Communication) and the highly reliable machine communication of 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；The machine communication highly reliable for low time delay, is mainly directed towards real-time and reliability is wanted
Ask relatively high machine communication, 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
4.0, 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 support machine communication, the energy consumption for making terminal can be brought very high and what energy can not be replenished in time asks
Topic.
Summary of the invention
The purpose of the present invention is 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 invention is realized in this way in a kind of Internet of Things frequency division duplex terminal energy transmissions method, the terminal energy
Measure transmission method the following steps are included:
S1, the first communication node detects self electric quantity Expenditure Levels and sends energy pipe under mode of frequency division duplexing
Manage information；
S2, the second communication node send energy transmission direction acquisition signal to first after receiving the energy management information
Communication node；
S3, the first communication node receive energy transmission direction acquisition signal and determine energy transmission antenna set module transfer
Energy position, and energy transmission direction information is fed back into the second communication node；
Configuration energy transmission antenna collection modules are according to energy after S4, the second communication node receive energy transmission directional information
Transmission direction transmits energy；
S5, the first communication node receive energy transmission antenna set module transfer energy and to the second communication node feedback letters
Breath；
S6, the classification for judging the received feedback information of the second communication node；If feedback information is energy harvesting efficiency information,
Judge that energy harvesting efficiency is less than third predetermined value or energy harvesting efficiency is greater than the 4th predetermined value, such as less than third predetermined value,
Then the second communication node notice third communication node increases the energy sent, such as larger than the 4th predetermined value, then the second communication node
Third communication node is notified to reduce the energy sent；If feedback information is to stop energy sending information, the second communication node is logical
Know that third communication node closes and stops energy transmission.
A further technical solution of the present invention 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 greater than second in advance within a predetermined period of time
Definite value, if so, then the first communication node sends energy management information, if not, not sending information.
A further technical solution of the present invention 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 antenna；
S22, the second communication node select T root antenna to send energy transmission direction from N root antenna and obtain signal；
Wherein, N is the integer more than or equal to 128, and T is greater than N/20 and less than the integer of N.
A further technical solution of the present invention is: further comprising the steps of in the step S3:
S31, the second letter for replying N root antenna from the first channel vector of obtained T root antenna by compressed sensing algorithm
Road vector；
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.
A further technical solution of the present invention is: the first predetermined value is the first communication node electricity maximum value
10%, the predetermined amount of time is 30 days, and the second predetermined value is the 5% of the first communication node electricity maximum value, described
Third predetermined value is 1%/hour of the first communication node electricity maximum value, and the 4th predetermined value is first communication
3%/hour of node electricity maximum value.
A further technical solution of the present invention is: the N root antenna of the energy transmission antenna set is that rectangle or straight line are arranged
Column, T root antenna are obtained from the selection of N root antenna equal intervals；The N root antenna of the energy transmission antenna set is other rows
Column, the T root antenna is to randomly select to obtain from N root antenna.
A further technical solution of the present invention is: the solar recharging module starting time of first communication node is greater than
1 hour, first communication node sent 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.
A further technical solution of the present invention is: the sending cycle that first communication node and the second communication node are negotiated
Energy harvesting efficiency information is sent to property information cycle, the sending cycle is more than or equal to 6 hours.
A further technical solution of the present invention is: the second communication node continuous Y times energy harvesting effect received
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.
A further technical solution of the present invention is: the information of the first communication node operation irregularity includes the first communication section
The identification information of point, location information, uses the one or more of temporal information at type information.
The beneficial effects of the present invention are: 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, the service efficiency of network is improved, reaches the demand of " green communications ".
Detailed description of the invention
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 detects self electric quantity Expenditure Levels and sends energy under mode of frequency division duplexing
Measure management information；The first communication node to work under mode of frequency division duplexing detects self electric quantity Expenditure Levels, if
Electric quantity consumption of the electricity lower than first predetermined value or within a predetermined period of time is higher than second predetermined value, then first communication node
Send energy management information；The first predetermined value is the 10% of the first communication node electricity maximum value, the predetermined time
Section is 30 days, and the second predetermined value is the 5% of the first communication node electricity maximum value, and first communication node is sent
The running time-frequency resource of energy management information is that multiple first communication nodes are shared, and different first communication nodes have different code words.
The 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 includes N root antenna
Energy transmission antenna set module, second communication node select T root antenna to send energy transmission side from the N root antenna
First communication node is given to acquisition signal, wherein N is the integer more than or equal to 128, and T is greater than N/20 and less than N's
Integer；The N root antenna that the energy transmission antenna set includes is rectangle or arranged in a straight line, then the T root antenna is from the N root
Antenna equal intervals are chosen to obtain；If the N root antenna that the energy transmission antenna set includes is other arrangements, the T
Root antenna randomly selects to obtain from the N root 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, restores institute from the first channel vector of the obtained T root antenna by compressed sensing algorithm
The second channel vector for stating N root antenna carries out singular value decomposition to the covariance matrix of the channel vector and obtains right unusual square
Battle array, determines the energy position of the energy transmission antenna set module transfer based on the preceding Z column 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 value 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 value.
Step S4, the second communication node receive energy transmission directional information after configuration energy transmission antenna collection modules according to
Transmit energy in energy transmission direction；After second communication node receives the energy transmission directional information, the energy is configured
It measures transmission antenna collection modules and transmits energy according to the energy transmission direction；If the solar charging of first communication node
The electric module starting working time is more than 1 hour, then first communication node sends the stopping energy and sends information, Huo Zheru
The electricity of first communication node described in fruit reaches 90% or more, 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 stops energy and send information.
Step S6 judges the classification of the received feedback information of the second communication node；If feedback information is energy harvesting efficiency
Information judges that energy harvesting efficiency is less than third predetermined value or energy harvesting efficiency is greater than the 4th predetermined value, and such as less than third is pre-
Definite value, then the second communication node 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 to reduce the energy sent；If feedback information is to stop energy sending information, the second communication section
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- lower than third
Definite value, then second communication node increases the energy that energy transmission antenna set module is sent, if energy harvesting efficiency is big
In the 4th predetermined value, then second communication node reduces the energy that the 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
State energy harvesting efficiency information, wherein the sending cycle is more than or equal to 6 hours.
It is all small that the second communication node continuous Y times energy harvesting efficiency information received obtains energy transmission efficiency
In third predetermined value, then second communication node sends the information for indicating the first communication node operation irregularity to abnormal control
Data center processed, wherein Y is the integer more than or equal to 3.
Following one: the mark of first communication node is included at least in the information of the first communication node operation irregularity
Know information, the type information of first communication node, the location information of first communication node, first communication node
Use temporal information.
Embodiment 1
The terminal to work under mode of frequency division duplexing detects self electric quantity Expenditure Levels, if electricity is lower than first
Predetermined value or electric quantity consumption within a predetermined period of time are higher than second predetermined value, then terminal sends energy management information.
After base station receives the energy management information, the energy transmission antenna comprising N root antenna of oneself carrying is activated
Collection modules, base station select T root antenna to send energy transmission direction from the N root antenna and obtain signal to terminal, wherein N
For the integer more than or equal to 128, T is greater than N/20 and less than the integer of N.
Terminal receives the energy transmission direction and obtains signal, by compressed sensing algorithm from the obtained T root antenna
The first channel vector restore the second channel vector of the N root antenna, the covariance matrix of the channel vector is carried out odd
Different value decomposes to obtain right singular matrix, determines the energy transmission antenna set module based on the preceding Z column 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
Transmit energy in energy transmission direction.
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 lower than third predetermined value,
Base station increases the energy that energy transmission antenna set module is sent, if energy harvesting efficiency is greater 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 to work under mode of frequency division duplexing detects self electric quantity Expenditure Levels, if electricity is lower than first
Predetermined value or electric quantity consumption within a predetermined period of time are higher than second predetermined value, then terminal sends energy management information.Preferably,
The first predetermined value is the 10% of terminal power maximum value, and the predetermined amount of time is 30 days, and the second predetermined value is terminal
The 5% of electricity maximum value.
After base station receives the energy management information, the energy transmission antenna comprising N root antenna of oneself carrying is activated
Collection modules, base station select T root antenna to send energy transmission direction from the N root antenna and obtain signal to terminal, wherein N
For the integer more than or equal to 128, T is greater than N/20 and less than the integer of N.
Terminal receives the energy transmission direction and obtains signal, by compressed sensing algorithm from the obtained T root antenna
The first channel vector restore the second channel vector of the N root antenna, the covariance matrix of the channel vector is carried out odd
Different value decomposes to obtain right singular matrix, determines the energy transmission antenna set module based on the preceding Z column 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
Transmit energy in energy transmission direction.
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 lower than third predetermined value,
Base station increases the energy that energy transmission antenna set module is sent, if energy harvesting efficiency is greater 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 value
1%/hour, the 4th predetermined value be terminal power maximum value 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 to work under mode of frequency division duplexing detects self electric quantity Expenditure Levels, if electricity is lower than first
Predetermined value or electric quantity consumption within a predetermined period of time are higher than second predetermined value, then terminal sends energy management information.Preferably,
The running time-frequency resource that terminal sends energy management information is that multiple first communication nodes are shared, and different first communication nodes are different
Code word, save control resource while can distinguish user well.
After base station receives the energy management information, the energy transmission antenna comprising N root antenna of oneself carrying is activated
Collection modules, base station select T root antenna to send energy transmission direction from the N root antenna and obtain signal to terminal, wherein N
For the integer more than or equal to 128, T is greater than N/20 and less than the integer of N.
Terminal receives the energy transmission direction and obtains signal, by compressed sensing algorithm from the obtained T root antenna
The first channel vector restore the second channel vector of the N root antenna, the covariance matrix of the channel vector is carried out odd
Different value decomposes to obtain right singular matrix, determines the energy transmission antenna set module based on the preceding Z column 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
Transmit energy in energy transmission direction.
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 lower than third predetermined value,
Base station increases the energy that energy transmission antenna set module is sent, if energy harvesting efficiency is greater 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 to work under mode of frequency division duplexing detects self electric quantity Expenditure Levels, if electricity is lower than first
Predetermined value or electric quantity consumption within a predetermined period of time are higher than second predetermined value, then terminal sends energy management information.
After base station receives the energy management information, the energy transmission antenna comprising N root antenna of oneself carrying is activated
Collection modules, base station select T root antenna to send energy transmission direction from the N root antenna and obtain signal to terminal, wherein N
For the integer more than or equal to 128, T is greater than N/20 and less than the integer of N.Preferably, if the energy transmission antenna set
The N root antenna for including is rectangle or arranged in a straight line, then the T root antenna is chosen to obtain (as schemed from the N root antenna equal intervals
Shown in 2, thick line represents the antenna chosen, every 2 day line selections one)；If the N root that the energy transmission antenna set includes
Antenna is other arrangements, then the T root antenna randomly selects to obtain from the N root antenna.
Terminal receives the energy transmission direction and obtains signal, by compressed sensing algorithm from the obtained T root antenna
The first channel vector restore the second channel vector of the N root antenna, the covariance matrix of the channel vector is carried out odd
Different value decomposes to obtain right singular matrix, determines the energy transmission antenna set module based on the preceding Z column 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
Transmit energy in energy transmission direction.
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 lower than third predetermined value,
Base station increases the energy that energy transmission antenna set module is sent, if energy harvesting efficiency is greater 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 to work under mode of frequency division duplexing detects self electric quantity Expenditure Levels, if electricity is lower than first
Predetermined value or electric quantity consumption within a predetermined period of time are higher than second predetermined value, then terminal sends energy management information.
After base station receives the energy management information, the energy transmission antenna comprising N root antenna of oneself carrying is activated
Collection modules, base station select T root antenna to send energy transmission direction from the N root antenna and obtain signal to terminal, wherein N
For the integer more than or equal to 128, T is greater than N/20 and less than the integer of N.
Terminal receives the energy transmission direction and obtains signal, by compressed sensing algorithm from the obtained T root antenna
The first channel vector restore the second channel vector of the N root antenna, the covariance matrix of the channel vector is carried out odd
Different value decomposes to obtain right singular matrix, determines the energy transmission antenna set module based on the preceding Z column 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 value is equal in N number of singular value of the covariance matrix, not less than (0.9* maximum singular value)
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
Transmit energy in energy transmission direction.
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 lower than third predetermined value,
Base station increases the energy that energy transmission antenna set module is sent, if energy harvesting efficiency is greater 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 to work under mode of frequency division duplexing detects self electric quantity Expenditure Levels, if electricity is lower than first
Predetermined value or electric quantity consumption within a predetermined period of time are higher than second predetermined value, then terminal sends energy management information.
After base station receives the energy management information, the energy transmission antenna comprising N root antenna of oneself carrying is activated
Collection modules, base station select T root antenna to send energy transmission direction from the N root antenna and obtain signal to terminal, wherein N
For the integer more than or equal to 128, T is greater than N/20 and less than the integer of N.
Terminal receives the energy transmission direction and obtains signal, by compressed sensing algorithm from the obtained T root antenna
The first channel vector restore the second channel vector of the N root antenna, the covariance matrix of the channel vector is carried out odd
Different value decomposes to obtain right singular matrix, determines the energy transmission antenna set module based on the preceding Z column 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
Transmit energy in energy transmission direction.
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 starting working time of terminal is more than 1 hour, terminal sends the stopping energy and sends letter
Breath, or if the electricity of terminal reaches 90% or more, terminal sends the stopping energy and sends information.
If base station receives the energy harvesting efficiency information, if energy harvesting efficiency is lower than third predetermined value,
Base station increases the energy that energy transmission antenna set module is sent, if energy harvesting efficiency is greater 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 to work under mode of frequency division duplexing detects self electric quantity Expenditure Levels, if electricity is lower than first
Predetermined value or electric quantity consumption within a predetermined period of time are higher than second predetermined value, then terminal sends energy management information.
After base station receives the energy management information, the energy transmission antenna comprising N root antenna of oneself carrying is activated
Collection modules, base station select T root antenna to send energy transmission direction from the N root antenna and obtain signal to terminal, wherein N
For the integer more than or equal to 128, T is greater than N/20 and less than the integer of N.
Terminal receives the energy transmission direction and obtains signal, by compressed sensing algorithm from the obtained T root antenna
The first channel vector restore the second channel vector of the N root antenna, the covariance matrix of the channel vector is carried out odd
Different value decomposes to obtain right singular matrix, determines the energy transmission antenna set module based on the preceding Z column 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
Transmit energy in energy transmission direction.
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 lower than third predetermined value,
Base station increases the energy that energy transmission antenna set module is sent, if energy harvesting efficiency is greater 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
Take efficiency information to obtain energy transmission efficiency and be both less than third predetermined value, then base station send instruction terminal operation irregularity information to
Exception control data center, wherein Y is 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 to work under mode of frequency division duplexing detects self electric quantity Expenditure Levels, if electricity is lower than first
Predetermined value or electric quantity consumption within a predetermined period of time are higher than second predetermined value, then terminal sends energy management information.Preferably,
The energy management information includes the location information of terminal.
After base station receives the energy management information, the energy transmission antenna comprising N root antenna of oneself carrying is activated
Collection modules, base station select T root antenna to send energy transmission direction from the N root antenna and obtain signal to terminal, wherein N
For the integer more than or equal to 128, T is greater than N/20 and less than the integer of N.
Terminal receives the energy transmission direction and obtains signal, by compressed sensing algorithm from the obtained T root antenna
The first channel vector restore the second channel vector of the N root antenna, the covariance matrix of the channel vector is carried out odd
Different value decomposes to obtain right singular matrix, determines the energy transmission antenna set module based on the preceding Z column 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
Transmit energy in energy transmission direction.
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 lower than third predetermined value,
Base station increases the energy that energy transmission antenna set module is sent, if energy harvesting efficiency is greater 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
Take efficiency information to obtain energy transmission efficiency and be both less than third predetermined value, then base station send instruction terminal operation irregularity information to
Exception control data center, wherein Y is the integer more than or equal to 3.Preferably, in the information of the instruction terminal operation irregularity extremely
It less include following one: 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 base station and terminal are carried out by frequency f2 progress uplink communication by frequency f1 in above-described embodiment
Downlink communication, energy transmission unit pass through 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 in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
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
The following steps are included:
S1, the first communication node detects 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
Transmit energy in direction；
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 received feedback information of the second communication node；If feedback information is energy harvesting efficiency information, judgement
Energy harvesting efficiency is less than third predetermined value or energy harvesting efficiency and is greater than the 4th predetermined value, such as less than third predetermined value, then and the
The energy that two communication nodes are sent according to the feedback increase energy transmission antenna set module of the first communication node, the such as larger than the 4th
Predetermined value, then the second communication node reduces the energy that energy transmission antenna set module is sent according to the feedback of the first communication node
Amount；If feedback information is to stop energy sending information, the second communication node notice third communication node closes and stops energy
It sends.
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 greater 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 antenna；
S22, the second communication node select T root antenna to send energy transmission direction from N root antenna and obtain signal；
Wherein, N is the integer more than or equal to 128, and T is greater than N/20 and less than the integer of 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, it is sweared by compressed sensing algorithm from the second channel that the first channel vector of obtained T root antenna restores N root antenna
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 value, and the predetermined amount of time is 30 days, the second predetermined value
It is the 5% of the first communication node electricity maximum value, the third predetermined value is the first communication node electricity maximum value
1%/hour, the 4th predetermined value are 3%/hour of the first communication node electricity maximum value.
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 root antenna for measuring transmission antenna set is rectangle or arranged in a straight line, and T root antenna is obtained from the selection of N root antenna equal intervals；
The N root antenna of the energy transmission antenna set is other arrangements, and the T root antenna is to randomly select to obtain from N root antenna.
7. the terminal energy transmissions method of frequency division duplex in Internet of Things according to claim 6, which is characterized in that described
The solar recharging module starting time of one communication node is greater than 1 hour, and first communication node sends the stopping energy
Send information；The electricity of first communication node reaches 90% or more, 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 negotiated
The period is sent to be more than or equal to 6 hours.
9. the terminal energy transmissions method of frequency division duplex in Internet of Things according to claim 8, which is characterized in that described
The two communication nodes continuous Y times energy harvesting efficiency information received 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
For the integer more than or equal to 3.
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 the information of first communication node operation irregularity includes the identification information, type information, location information, use of the first communication node
Between information it is one or more.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8929806B2 (en) * | 2011-05-31 | 2015-01-06 | Facebook, Inc. | Passively powering a wireless communications device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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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