CN107666336A - Power line relay transmission method and power line relay - Google Patents
Power line relay transmission method and power line relay Download PDFInfo
- Publication number
- CN107666336A CN107666336A CN201610603284.2A CN201610603284A CN107666336A CN 107666336 A CN107666336 A CN 107666336A CN 201610603284 A CN201610603284 A CN 201610603284A CN 107666336 A CN107666336 A CN 107666336A
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- China
- Prior art keywords
- power line
- signal
- line relay
- power
- uplink
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/58—Repeater circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/56—Circuits for coupling, blocking, or by-passing of signals
Abstract
The present invention discloses a kind of power line relay transmission method and power line relay.The power line relay transmission method includes：Uplink and downlink signal of the power line relay to the radiofrequency signal on power line separates, wherein, the power line relay series connection access power line；Power line relay carries out power amplification to uplink and downlink signal respectively.The present invention is for radiofrequency signal, realize the preceding signal isolation with after amplification of amplification, for up or downlink radio-frequency signal, the signal after signal and amplification before amplification, power line relay side is only positioned at, therefore does not need extra transfer resource to be made a distinction to amplifying front and rear signal.
Description
Technical field
The present invention relates to wireless communication field, more particularly to a kind of power line relay transmission method and power line relaying dress
Put.
Background technology
Power line transmission distance：In building power line laying condition and move towards complexity, signal is two in building
When being transmitted between position, by the actual transmissions length of power line often much larger than the line-of-sight distance between two positions；
Power line deployment can not meet the needs of honeycomb covering：Power line circuit in building is not intended to transmit honeybee
Nest radiofrequency signal and design, therefore when being transmitted in power line network of the radiofrequency signal in building, signal can not be met everywhere
The demand of intensity.
Power line is most basic condition in the modern life and family, and power line deployment is nearly ubiquitous, utilizes electric power
Indoor " last one kilometer " access is done in line communication the advantages of other technologies are incomparable, but at present the transmission plan of power line without
Method meets covering demand of the cellular radio signal to whole building thing.
The following problem be present in traditional power line communication relay system：
1st, the signal before amplifying and after amplification is distinguished using time-division or frequency division method.Whether time-division or frequency division, all
Valuable power line transmission resource (time slot and bandwidth) will be consumed.
2nd, after the signal injection power line after amplifying, the signal before amplification and after amplification is present in power line simultaneously, when
During using only single relay, the signal before amplification and after amplification is nontransparent for receiving terminal.
When the 3rd, using multiple devices, the aggravation of transfer resource occupancy situation.
4th, information source and the stay of two nights is needed to need individually designed bottom and higher layer transmission protocol.
The content of the invention
In view of above technical problem, towards LTE-Advanced (Long Term Evolution upgrade version) and following 5G (the 5th generations
Mobile communication technology) system the invention provides a kind of power line relay transmission method and power line relay, is not take up volume
Outer transfer resource.
According to an aspect of the present invention, there is provided a kind of power line relay, the power line relay series connection
Enter power line；
The power line relay, separated for the uplink and downlink signal to the radiofrequency signal on power line；
And power amplification is carried out to the radiofrequency signal on power line.
In one embodiment of the invention, the power line relay includes data transfer branch road, wherein：
Data transfer branch road, believe for the carrier frequency separation radio frequency according to where uplink and downlink signal using coupled apparatus
Number, only allow radiofrequency signal to pass through；Uplink and downlink signal to the radiofrequency signal on power line separates；And to electric power
Radiofrequency signal on line carries out power amplification；And the up and/or downlink radio-frequency signal injection electric power after amplification is passed respectively
Defeated branch road, it is sent into power line.
In one embodiment of the invention, the data transfer branch road includes the first coupled apparatus and the second coupler
Part, wherein：
First coupled apparatus, radiofrequency signal is separated for the carrier frequency according to where upward signal, only allows radiofrequency signal
Pass through；And the downlink radio-frequency signal after amplification is injected into power transmission branch road, it is sent into power line；
Second coupled apparatus, radiofrequency signal is separated for the carrier frequency according to where downstream signal, only allows radiofrequency signal
Pass through；And the upstream radio-frequency signal after amplification is injected into power transmission branch road, it is sent into power line.
In one embodiment of the invention, first coupled apparatus and the second coupled apparatus are located at data transfer branch road
Both ends；
The data transfer branch road includes uplink branch road and downlink transfer branch road, wherein：
The uplink branch road and downlink transfer branch circuit parallel connection are connected to first coupled apparatus and the second coupler
Between part.
In one embodiment of the invention, the uplink branch road include the upward signal separator that is connected in series and
Upward signal amplifier, wherein：
Upward signal separator, separated for the uplink and downlink signal for radiofrequency signal, take out upward signal,
It is sent to upward signal amplifier；
Upward signal amplifier, power amplification is carried out for the upward signal for radiofrequency signal.
In one embodiment of the invention, the downlink transfer branch road include the downstream signal separator that is connected in series and
Downstream signal amplifier, wherein：
Downstream signal separator, separated for the uplink and downlink signal for radiofrequency signal, take out downstream signal,
It is sent to downstream signal amplifier；
Downstream signal amplifier, power amplification is carried out for the downstream signal for radiofrequency signal.
In one embodiment of the invention, the power line relay includes power transmission branch road, wherein：
Power transmission branch road, for preventing radiofrequency signal from being transmitted by branch road of powering using impedance operator, realize electricity
Power is transmitted and the separation of radiofrequency signal.
In one embodiment of the invention, the power line relay is used to be directed to time division duplex standard, to up
Separated with the time slot where downstream signal；For FDD standard, using bandpass filter to uplink and downlink signal
The different carrier wave in place is separated.
In one embodiment of the invention, the power line relay is used for by the way of automatic growth control,
Power amplification is carried out to uplink and downlink signal respectively.
In one embodiment of the invention, the power line relay installation is serially connected in the side of registering one's residence of household electric meter,
It is connected on behind air switch, is connected with indoor power line；Radiofrequency signal in indoor power line is exaggerated, and is directly connected to base station
Equipment.
In one embodiment of the invention, the power line relay is arranged in building switchgear house；The electricity
Line of force relay is connected on floor lighting power supply line；Radiofrequency signal is exaggerated in lighting power supply line in floor, directly
Base station equipment is connect in succession；The power line relay provides radiofrequency signal amplification for the visible light communication of lighting apparatus.
According to another aspect of the present invention, there is provided a kind of power line relay transmission method, including：
Uplink and downlink signal of the power line relay to the radiofrequency signal on power line separates, wherein, it is described
Power line relay series connection access power line；
Power line relay carries out power amplification to uplink and downlink signal respectively.
In one embodiment of the invention, power line relay to the up of the radiofrequency signal on power line and under
Before row signal is separated, methods described also includes：
The coupled apparatus of power line relay carrier frequency according to where uplink and downlink signal separates radiofrequency signal, only
Allow data transfer branch road of the radiofrequency signal by power line relay；
After power line relay carries out power amplification to uplink and downlink signal respectively, methods described also includes：
The coupled apparatus of power line relay, the up and/or downlink radio-frequency signal after amplification is injected into electric power respectively
Transmission branch, it is sent into power line.
In one embodiment of the invention, include for upward signal, methods described：
The coupled apparatus of power line relay is used for the carrier frequency according to where upward signal and separates radiofrequency signal, only permits
Perhaps the data transfer branch road that radiofrequency signal passes through power line relay；
Power line relay is separated for the uplink and downlink signal of radiofrequency signal, takes out upward signal；
Power line relay carries out power amplification for the upward signal of radiofrequency signal；
Upstream radio-frequency signal after amplification is injected power transmission branch road by the coupled apparatus of power line relay, is sent into electricity
The line of force.
In one embodiment of the invention, include for downstream signal, methods described：
The coupled apparatus of power line relay is used for the carrier frequency according to where downstream signal and separates radiofrequency signal, only permits
Perhaps the data transfer branch road that radiofrequency signal passes through power line relay；
Power line relay is separated for the uplink and downlink signal of radiofrequency signal, takes out downstream signal；
Power line relay carries out power amplification for the downstream signal of radiofrequency signal；
Downlink radio-frequency signal after amplification is injected power transmission branch road by the coupled apparatus of power line relay, is sent into electricity
The line of force.
In one embodiment of the invention, methods described also includes：
Power line relay prevents radiofrequency signal from entering by the power supply branch road of power line relay using impedance operator
Row transmission.
In one embodiment of the invention, uplink and downlink of the power line relay to the radiofrequency signal on power line
Signal, which carries out separation, to be included：
Power line relay is directed to time division duplex standard, and the time slot where uplink and downlink signal is separated；
Power line relay is directed to FDD standard, using bandpass filter to different where uplink and downlink signal
Carrier wave separated.
In one embodiment of the invention, power line relay carries out power amplification to uplink and downlink signal respectively
Including：
Power line relay is carried out power to uplink and downlink signal respectively and put by the way of automatic growth control
Greatly.
The present invention for radiofrequency signal, realize amplification before with amplification after signal isolation, for it is up or under
Row radiofrequency signal, the signal after signal and amplification before amplification, power line relay side is only positioned at, therefore need not be extra
Transfer resource made a distinction to amplifying front and rear signal.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the scheme of installation of power line relay in one embodiment of the invention.
Fig. 2 is the structural representation of power line relay one embodiment of the present invention.
Fig. 3 is the application scenarios schematic diagram of power line relay in one embodiment of the invention.
Fig. 4 is the application scenarios schematic diagram of power line relay in another embodiment of the present invention.
Fig. 5 is the schematic diagram of power line relay transmission method first embodiment of the present invention.
Fig. 6 is the schematic diagram of power line relay transmission method second embodiment of the present invention.
Fig. 7 is the schematic diagram that power line relay transmission method of the present invention transmits upward signal one embodiment.
Fig. 8 is the schematic diagram of power line relay transmission method transmission of downlink signal one embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
Unless specifically stated otherwise, the part and positioned opposite, the digital table of step otherwise illustrated in these embodiments
Do not limited the scope of the invention up to formula and numerical value.
Simultaneously, it should be appreciated that for the ease of description, the size of the various pieces shown in accompanying drawing is not according to reality
Proportionate relationship draw.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
Fig. 1 is the scheme of installation of power line relay in one embodiment of the invention.The power line relay is
It is a kind of to be not take up extra transfer resource, the power line relay transparent to transmitting procedure and transmission technology.
As shown in figure 1, the series connection access power line of power line relay 1.Power line relay 1 is serially connected in household electric meter
2 side of registering one's residence, and by the open circuit protection of air switch 3.
Power line relay 1, for being carried out the radiofrequency signal on power line containing certainly using power line relay
The amplification of dynamic gain control.
Power line relay 1 to other electrical equipments and radiofrequency signal equipment connected in series and in parallel, (such as return by base station
Pass equipment 4) keep transparent.
Fig. 2 is the structural representation of power line relay one embodiment of the present invention.As shown in Fig. 2 Fig. 1 embodiments institute
The power line relay 1 stated includes power transmission branch road 11 and data transmission branch 12, wherein：
Power transmission branch road 11 includes impedance 111, for being realized using the characteristic of impedance 111 (inductive) to radiofrequency signal
Isolate and filter out, prevent radiofrequency signal from being transmitted by branch road of powering, to realize the separation of power transmission and radiofrequency signal.
Power transmission branch road 11, by radio frequency (high frequency) target signal filter, only allows low frequency part using the inductance characteristic of impedance
(50Hz alternating currents) passes through.
Data transfer branch road 12, radio frequency is separated for the carrier frequency according to where uplink and downlink signal using coupled apparatus
Signal, only radiofrequency signal is allowed to pass through；Uplink and downlink signal to the radiofrequency signal on power line separates；And to electricity
Radiofrequency signal in the line of force carries out power amplification；And the up and/or downlink radio-frequency signal after amplification is injected into electric power respectively
Transmission branch 11, it is sent into power line.
As shown in Fig. 2 the data transfer branch road 12 includes the first coupled apparatus 121 and the second coupled apparatus 122, its
In：
The coupled apparatus 122 of first coupled apparatus 121 and second is located at the both ends of data transfer branch road 12.
First coupled apparatus 121, radiofrequency signal is separated for the carrier frequency according to where upward signal, only allows radio frequency to believe
Number pass through；And the downlink radio-frequency signal after amplification is injected into power transmission branch road 11, it is sent into power line.
Second coupled apparatus 122, radiofrequency signal is separated for the carrier frequency according to where downstream signal, only allows radio frequency to believe
Number pass through；And the upstream radio-frequency signal after amplification is injected into power transmission branch road 11, it is sent into power line.
In one embodiment of the invention, as shown in Fig. 2 the data transfer branch road 12 also includes uplink branch road
123 and downlink transfer branch road 124, wherein：
The uplink branch road 123 and downlink transfer branch road 124 are connected in first coupled apparatus 121 and in parallel
Between two coupled apparatuses 122.
In one embodiment of the invention, as shown in Fig. 2 the uplink branch road 123 is upper including being connected in series
Row signal (UL) separator 1231 and upward signal amplifier 1232, wherein：
For upward signal：
First coupled apparatus 121, radiofrequency signal is separated for the carrier frequency according to where upward signal, only allows radio frequency to believe
Number pass through.
Upward signal separator 1231, separated, taken out up for the uplink and downlink signal for radiofrequency signal
Signal, it is sent to upward signal amplifier 1232.
Upward signal amplifier 1232, power amplification is carried out for the upward signal for radiofrequency signal.
Second coupled apparatus 122, the upstream radio-frequency signal injection power transmission after upward signal amplifier 1232 is amplified
Branch road 11, it is sent into power line.
In one embodiment of the invention, as shown in Fig. 2 the downlink transfer branch road 124 includes being connected in series down
Row signal (DL) separator 1241 and downstream signal amplifier 1242, wherein：
For downstream signal：
Second coupled apparatus 122, radiofrequency signal is separated for the carrier frequency according to where downstream signal, only allows radio frequency to believe
Number pass through.
Downstream signal separator 1241, separated, taken out descending for the uplink and downlink signal for radiofrequency signal
Signal, it is sent to downstream signal amplifier 1242.
Downstream signal amplifier 1242, power amplification is carried out for the downstream signal for radiofrequency signal.
First coupled apparatus 121, inject electric power for the downlink radio-frequency signal after downstream signal amplifier 1242 is amplified
Transmission branch 11, it is sent into power line.
The power line relay provided based on the above embodiment of the present invention, for radiofrequency signal, realizes amplification
The preceding signal isolation with after amplification, for up or downlink radio-frequency signal, the signal after signal and amplification before amplification, a position
In power line relay side, therefore extra transfer resource is not needed to be made a distinction to amplifying front and rear signal.
In the above embodiment of the present invention, whole transfer resources of power line can all be used for the data transfer of sending and receiving end, can
To improve efficiency of transmission, meet different cellular network standards to time slot, the requirement of bandwidth.
In the above embodiment of the present invention, amplifying will not interfere between forward and backward signal each other, and amplifier will not be made
Into self-excitation, ensure that equipment can be with normal work.
The signal amplification process of the above embodiment of the present invention is transparent to sending and receiving end and transmitting procedure, it is not necessary to individually transmission
Agreement.
The scheme and equipment of the above embodiment of the present invention can be adjusted for existing and following communication standard.
In one embodiment of the present of invention, for different standards, the He of upward signal separator 1231 in Fig. 2 embodiments
Uplink and downlink signal of the downstream signal separator 1241 to radiofrequency signal separates in different ways.Such as：For the time-division
Duplexing TDD standards, upward signal separator 1231 and downstream signal separator 1241 are carried out to the time slot where uplink and downlink
Separation.For FDD standard, upward signal separator 1231 and downstream signal separator 1241 utilize bandpass filter
Carrier wave different where uplink and downlink is separated.
In one embodiment of the invention, the downstream signal amplifier 1242 in Fig. 2 embodiments and upward signal amplification
Device 1232 can use automatic gain control amplifier, and by the way of automatic growth control, uplink and downlink are believed respectively
Number carry out power amplification.
The above embodiment of the present invention goes for LTE (Long Term Evolution, Long Term Evolution) network, also may be used
With compatible CDMA EVDO (while supporting the enhancing CDMA of data and voice)/WCDMA (Wideband Code
Division Multiple Access, WCDMA) etc. multimode signal transmission.
Fig. 3 is the application scenarios schematic diagram of power line relay in one embodiment of the invention.As shown in figure 3, this hair
Power line relay described in bright any of the above-described embodiment goes for having open circuit protection equipment (such as air switch)
Indoor scene.
For the scene of same floor not chummery, the installation of power line relay 1 is connected on behind air switch 3, with
Indoor power line is connected.
Radiofrequency signal in indoor power line is exaggerated, and can be directly connected to base station equipment 5, and do not influence electrical equipment etc. its
The normal use of his electrical equipment 6.
Fig. 4 is the application scenarios schematic diagram of power line relay in another embodiment of the present invention.As shown in figure 4, this hair
Power line relay described in bright any of the above-described embodiment goes for the building with distribution well, switchgear house.
As shown in figure 4, the scene for different floors：
Power line relay 1 is arranged in building distribution well 7.
Power line relay 1 is connected on floor lighting power supply line 8.
Radiofrequency signal is exaggerated in lighting power supply line 8 in floor, can be directly connected to base station equipment 5.
Lighting apparatus 9 directly carries out visible light communication using radiofrequency signal.
Fig. 5 is the schematic diagram of power line relay transmission method first embodiment of the present invention.Preferably, the present embodiment can be by this
The power line relay described in any of the above-described embodiment is invented to perform.It is as shown in figure 5, described suitable for cellular radio signal
Power line relaying amplification method can include：
Step 501, uplink and downlink signal of the power line relay 1 to the radiofrequency signal on power line separates,
Wherein, the series connection of the power line relay 1 access power line.
In one embodiment of the invention, step 501 can include：Power line relay 1 be utilized respectively with it is up
Signal, the Signal separator device (upward signal separator, downstream signal separator) of downstream signal matching, take out on power line
The upward signal or downstream signal of radiofrequency signal.
In one embodiment of the invention, step 501 can include：For different standards, to the upper of radiofrequency signal
Row and downstream signal separate in different ways.Such as：Power line relay 1 is directed to time division duplex standard, to up and
Time slot where downstream signal is separated；Power line relay 1 is directed to FDD standard, using bandpass filter to upper
The row carrier wave different with where downstream signal is separated.
Step 502, power line relay 1 carries out power amplification to uplink and downlink signal respectively.
In one embodiment of the invention, step 502 can specifically include：Power line relay 1 is increased using automatic
The mode of benefit control, carries out power amplification to uplink and downlink signal respectively.
The power line relay transmission method provided based on the above embodiment of the present invention, for radiofrequency signal, is realized
Signal isolation before amplification and after amplification, for up or downlink radio-frequency signal, the signal after signal and amplification before amplification,
Power line relay side is only positioned at, therefore does not need extra transfer resource to be made a distinction to amplifying front and rear signal.
Fig. 6 is the schematic diagram of power line relay transmission method second embodiment of the present invention.Preferably, the present embodiment can be by this
The power line relay described in any of the above-described embodiment is invented to perform.It is as shown in fig. 6, described suitable for cellular radio signal
Power line relaying amplification method can include：
Step 601, power line relay 1 prevents radiofrequency signal from passing through power line relay 1 using impedance operator
Power supply branch road is transmitted.
Step 602, the coupled apparatus of power line relay 1 carrier frequency separation according to where uplink and downlink signal is penetrated
Frequency signal, only allow data transfer branch road 12 of the radiofrequency signal by power line relay 1.
Step 603, uplink and downlink signal of the power line relay 1 to the radiofrequency signal on power line separates,
Wherein, the series connection of the power line relay 1 access power line.
Step 604, power line relay 1 carries out power amplification to uplink and downlink signal respectively.
Step 605, the coupled apparatus of power line relay 1, respectively by the up and/or downlink radio-frequency signal after amplification
Power transmission branch road 11 is injected, is sent into power line.
Fig. 7 is the schematic diagram that power line relay transmission method of the present invention transmits upward signal one embodiment.Preferably, originally
Embodiment can be performed as the power line relay described in any of the above-described embodiment of the present invention.As shown in fig. 7, methods described can be with
Including：
Step 701, the coupled apparatus of power line relay 1 is used for the carrier frequency separation radio frequency according to where upward signal
Signal, only allow data transfer branch road 12 of the radiofrequency signal by power line relay 1.
Step 703, power line relay 1 is separated for the uplink and downlink signal of radiofrequency signal, is taken out up
Signal.
Step 703, power line relay 1 carries out power amplification for the upward signal of radiofrequency signal.
Step 704, the upstream radio-frequency signal after amplification is injected power transmission branch by the coupled apparatus of power line relay 1
Road 11, it is sent into power line.
Fig. 8 is the schematic diagram of power line relay transmission method transmission of downlink signal one embodiment of the present invention.Preferably, originally
Embodiment can be performed as the power line relay described in any of the above-described embodiment of the present invention.As shown in figure 8, methods described can be with
Including：
Step 801, the coupled apparatus of power line relay 1 is used for the carrier frequency separation radio frequency according to where downstream signal
Signal, only allow data transfer branch road 12 of the radiofrequency signal by power line relay 1.
Step 802, power line relay 1 is separated for the uplink and downlink signal of radiofrequency signal, is taken out descending
Signal.
Step 803, power line relay 1 carries out power amplification for the downstream signal of radiofrequency signal.
Step 804, the downlink radio-frequency signal after amplification is injected power transmission branch by the coupled apparatus of power line relay 1
Road 11, it is sent into power line.
The method of the above embodiment of the present invention, for radiofrequency signal, realize amplification before with amplification after signal every
From for up or downlink radio-frequency signal, the signal after signal and amplification before amplification, being only positioned at power line relay one
Side, therefore do not need extra transfer resource to be made a distinction to amplifying front and rear signal.
In the above embodiment of the present invention, whole transfer resources of power line can all be used for the data transfer of sending and receiving end, can
To improve efficiency of transmission, meet different cellular network standards to time slot, the requirement of bandwidth.
In the above embodiment of the present invention, amplifying will not interfere between forward and backward signal each other, and amplifier will not be made
Into self-excitation, ensure that equipment can be with normal work.
The signal amplification process of the above embodiment of the present invention is transparent to sending and receiving end and transmitting procedure, it is not necessary to individually transmission
Agreement.
The scheme and equipment of the above embodiment of the present invention can be adjusted for existing and following communication standard.
It is first coupled apparatus 121 described above, the second coupled apparatus 122, upward signal separator 1231, descending
The parts such as demultiplexer 1241, downstream signal amplifier 1242, upward signal amplifier 1232 can be implemented as being used to perform
General processor, programmable logic controller (PLC) (PLC), digital signal processor (DSP), the special collection of function described herein
Into circuit (ASIC), field programmable gate array (FPGA), either other PLDs, discrete gate or transistor are patrolled
Volume device, discrete hardware components or it is any appropriately combined.
So far, the present invention is described in detail.In order to avoid the design of the masking present invention, it is public that this area institute is not described
Some details known.Those skilled in the art as described above, can be appreciated how to implement technology disclosed herein completely
Scheme.
One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment
To complete, by program the hardware of correlation can also be instructed to complete, described program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
Description of the invention provides for the sake of example and description, and is not exhaustively or by the present invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Select and retouch
State embodiment and be to more preferably illustrate the principle and practical application of the present invention, and one of ordinary skill in the art is managed
The present invention is solved so as to design the various embodiments with various modifications suitable for special-purpose.
Claims (18)
- A kind of 1. power line relay, it is characterised in thatThe power line relay series connection access power line；The power line relay, separated for the uplink and downlink signal to the radiofrequency signal on power line；And Power amplification is carried out to the radiofrequency signal on power line.
- 2. power line relay according to claim 1, it is characterised in that including data transfer branch road, wherein：Data transfer branch road, radiofrequency signal is separated for the carrier frequency according to where uplink and downlink signal using coupled apparatus, Only radiofrequency signal is allowed to pass through；Uplink and downlink signal to the radiofrequency signal on power line separates；And to power line On radiofrequency signal carry out power amplification；And the up and/or downlink radio-frequency signal after amplification is injected into power transmission respectively Branch road, it is sent into power line.
- 3. power line relay according to claim 2, it is characterised in that the data transfer branch road includes the first coupling Clutch part and the second coupled apparatus, wherein：First coupled apparatus, radiofrequency signal is separated for the carrier frequency according to where upward signal, only allows radiofrequency signal to pass through； And the downlink radio-frequency signal after amplification is injected into power transmission branch road, it is sent into power line；Second coupled apparatus, radiofrequency signal is separated for the carrier frequency according to where downstream signal, only allows radiofrequency signal to pass through； And the upstream radio-frequency signal after amplification is injected into power transmission branch road, it is sent into power line.
- 4. power line relay according to claim 3, it is characterised in thatFirst coupled apparatus and the second coupled apparatus are located at the both ends of data transfer branch road；The data transfer branch road includes uplink branch road and downlink transfer branch road, wherein：The uplink branch road and downlink transfer branch circuit parallel connection be connected to first coupled apparatus and the second coupled apparatus it Between.
- 5. power line relay according to claim 4, it is characterised in that the uplink branch road includes series connection and connected The upward signal separator and upward signal amplifier connect, wherein：Upward signal separator, separated for the uplink and downlink signal for radiofrequency signal, take out upward signal, sent Give upward signal amplifier；Upward signal amplifier, power amplification is carried out for the upward signal for radiofrequency signal.
- 6. power line relay according to claim 4, it is characterised in that the downlink transfer branch road includes series connection and connected The downstream signal separator and downstream signal amplifier connect, wherein：Downstream signal separator, separated for the uplink and downlink signal for radiofrequency signal, take out downstream signal, sent Give downstream signal amplifier；Downstream signal amplifier, power amplification is carried out for the downstream signal for radiofrequency signal.
- 7. the power line relay according to any one of claim 1-6, it is characterised in that including power transmission branch Road, wherein：Power transmission branch road, for preventing radiofrequency signal from being transmitted by branch road of powering using impedance operator, realize that electric power passes The defeated and separation of radiofrequency signal.
- 8. the power line relay according to any one of claim 1-6, it is characterised in thatThe power line relay is used to be directed to time division duplex standard, and the time slot where uplink and downlink signal is divided From；For FDD standard, carrier wave different where uplink and downlink signal is separated using bandpass filter.
- 9. the power line relay according to any one of claim 1-6, it is characterised in thatThe power line relay is used for by the way of automatic growth control, carries out power to uplink and downlink signal respectively Amplification.
- 10. the power line relay according to any one of claim 1-6, it is characterised in thatThe power line relay installation is serially connected in the side of registering one's residence of household electric meter, is connected on behind air switch, with indoor electric The line of force is connected；Radiofrequency signal in indoor power line is exaggerated, and is directly connected to base station equipment.
- 11. the power line relay according to any one of claim 1-6, it is characterised in thatThe power line relay is arranged in building switchgear house；The power line relay is connected on floor lighting power supply line；Radiofrequency signal is exaggerated in lighting power supply line in floor, is directly connected to base station equipment；The power line relay provides radiofrequency signal amplification for the visible light communication of lighting apparatus.
- A kind of 12. power line relay transmission method, it is characterised in that including：Uplink and downlink signal of the power line relay to the radiofrequency signal on power line separates, wherein, the electric power Line relay series connection access power line；Power line relay carries out power amplification to uplink and downlink signal respectively.
- 13. according to the method for claim 12, it is characterised in thatBefore uplink and downlink signal of the power line relay to the radiofrequency signal on power line separates, in addition to：The coupled apparatus of power line relay carrier frequency according to where uplink and downlink signal separates radiofrequency signal, only allows The data transfer branch road that radiofrequency signal passes through power line relay；After power line relay carries out power amplification to uplink and downlink signal respectively, in addition to：The coupled apparatus of power line relay, the up and/or downlink radio-frequency signal after amplification is injected into power transmission respectively Branch road, it is sent into power line.
- 14. according to the method for claim 13, it is characterised in that for upward signal, methods described includes：The coupled apparatus of power line relay is used for the carrier frequency according to where upward signal and separates radiofrequency signal, only allows to penetrate The data transfer branch road that frequency signal passes through power line relay；Power line relay is separated for the uplink and downlink signal of radiofrequency signal, takes out upward signal；Power line relay carries out power amplification for the upward signal of radiofrequency signal；Upstream radio-frequency signal after amplification is injected power transmission branch road by the coupled apparatus of power line relay, is sent into electric power Line.
- 15. according to the method for claim 13, it is characterised in that for downstream signal, methods described includes：The coupled apparatus of power line relay is used for the carrier frequency according to where downstream signal and separates radiofrequency signal, only allows to penetrate The data transfer branch road that frequency signal passes through power line relay；Power line relay is separated for the uplink and downlink signal of radiofrequency signal, takes out downstream signal；Power line relay carries out power amplification for the downstream signal of radiofrequency signal；Downlink radio-frequency signal after amplification is injected power transmission branch road by the coupled apparatus of power line relay, is sent into electric power Line.
- 16. according to the method any one of claim 12-15, it is characterised in that also include：Power line relay prevents radiofrequency signal from being passed by the power supply branch road of power line relay using impedance operator It is defeated.
- 17. according to the method any one of claim 12-15, it is characterised in that power line relay is to power line On the uplink and downlink signal of radiofrequency signal carry out separation and include：Power line relay is directed to time division duplex standard, and the time slot where uplink and downlink signal is separated；Power line relay is directed to FDD standard, using bandpass filter to load different where uplink and downlink signal Ripple is separated.
- 18. according to the method any one of claim 12-15, it is characterised in that power line relay is respectively to upper Row and downstream signal, which carry out power amplification, to be included：Power line relay carries out power amplification to uplink and downlink signal respectively by the way of automatic growth control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610603284.2A CN107666336A (en) | 2016-07-28 | 2016-07-28 | Power line relay transmission method and power line relay |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610603284.2A CN107666336A (en) | 2016-07-28 | 2016-07-28 | Power line relay transmission method and power line relay |
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| Publication Number | Publication Date |
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| CN107666336A true CN107666336A (en) | 2018-02-06 |
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| CN201610603284.2A Pending CN107666336A (en) | 2016-07-28 | 2016-07-28 | Power line relay transmission method and power line relay |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004236055A (en) * | 2003-01-31 | 2004-08-19 | Sumitomo Electric Ind Ltd | Relaying apparatus for power line carrier communication, and power line carrier communication system employing the same |
| WO2016064503A1 (en) * | 2014-10-21 | 2016-04-28 | At&T Intellectual Property I, Lp | Apparatus for providing communication services and methods thereof |
-
2016
- 2016-07-28 CN CN201610603284.2A patent/CN107666336A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004236055A (en) * | 2003-01-31 | 2004-08-19 | Sumitomo Electric Ind Ltd | Relaying apparatus for power line carrier communication, and power line carrier communication system employing the same |
| WO2016064503A1 (en) * | 2014-10-21 | 2016-04-28 | At&T Intellectual Property I, Lp | Apparatus for providing communication services and methods thereof |
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Application publication date: 20180206 |