CN106714195A - Signal transmission method, terminal side equipment and system side equipment - Google Patents
Signal transmission method, terminal side equipment and system side equipment Download PDFInfo
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- CN106714195A CN106714195A CN201510780092.4A CN201510780092A CN106714195A CN 106714195 A CN106714195 A CN 106714195A CN 201510780092 A CN201510780092 A CN 201510780092A CN 106714195 A CN106714195 A CN 106714195A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
- H04W16/20—Network planning tools for indoor coverage or short range network deployment
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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
Abstract
The invention provides a signal transmission method, terminal side equipment and system side equipment. The signal transmission method applied to the system side equipment comprises the steps of: receiving a downlink digital signal sent by a building base band unit (BBU); converting the downlink digital signal into a downlink analog signal; and coupling the downlink analog signal to a power line for transmission. The signal transmission method provided by the invention introduces the signal received by the BBU of a baseband pool into the power line, thus the signal covers a whole building via the power line; the signal transmission method is convenient and fast, does not need wiring in the building, and is small in equipment investment of operators; and users can decide whether to obtain the signal by means of the power line according to their needs.
Description
Technical field
The present invention relates to field of mobile communication, more particularly to a kind of transmission method of signal, terminal side equipment and
System side apparatus.
Background technology
With rapid development of technology such as the popularization of intelligent terminal and mobile 4G LTE, people are to wireless data
Demand is increasing.In addition according to ASSOCIATE STATISTICS, 70% mobile data services occur indoors, therefore indoor
The most important thing as 4G coverings.
The mainstream solution of current in-door covering for the passive distributing antenna system in room point (DAS,
Distribute Antenna System), system or microcellulor covering system, these schemes are all needed without exception
House wiring construction (radio frequency feed line or netting twine) is carried out, early stage equipment investment is big；Current resident's electromagnetism spoke
Penetrate environmental consciousness more and more stronger, property lease coordinates to become difficult all the more.
The content of the invention
In order to overcome in the prior art, 4G wireless indoors covering investment is big, obtain the difficult skill of resident family's construction permits
Art problem, the invention provides a kind of transmission method of signal, terminal side equipment and system side apparatus.
In order to solve the above-mentioned technical problem, the present invention is adopted the following technical scheme that：
The invention provides a kind of transmission method of signal, system side apparatus are applied to, including：
Receive the downstream digital signal that baseband processing unit BBU sends；
The downstream digital signal is converted into downstream analog signal；
The downstream analog signal is coupled on power line and is transmitted.
Furthermore, it is understood that in the transmission method of described signal, receiving under baseband processing unit BBU transmissions
The step of row data signal, includes：
The downstream digital signal that the BBU sends is received by optical fiber.
Furthermore, it is understood that in the transmission method of described signal, the downstream digital signal is converted into descending
The step of analog signal, includes：
The downstream digital signal is carried out into digital-to-analogue conversion, the first signal is obtained；
Treatment is amplified to first signal, secondary signal is obtained；
Treatment is filtered to the secondary signal, the 3rd signal is obtained；
Frequency-conversion processing is carried out to the 3rd signal, downstream analog of the frequency less than the first predeterminated frequency value is obtained
Signal.
Furthermore, it is understood that in the transmission method of described signal, the downstream analog signal is coupled into electric power
Also include after the step of being transmitted on line：
The up analog signal that receiving terminal side apparatus are sent by power line；
The up analog signal is converted into the digital uplink signal that the BBU is supported；
The digital uplink signal that the BBU is supported is sent to the BBU by optical fiber.
Furthermore, it is understood that in the transmission method of described signal, the up analog signal is converted to described
The step of digital uplink signal that BBU is supported, includes：
The up analog signal is filtered, the 4th signal is obtained；
Frequency-conversion processing is carried out to the 4th signal, frequency is obtained higher than the 5th of first predeterminated frequency value
Signal；
Treatment is amplified to the 5th signal, the 6th signal is obtained；
Analog-to-digital conversion is carried out to the 6th signal, the upper line number that the baseband processing unit BBU is supported is obtained
Word signal.
Furthermore, it is understood that in the transmission method of described signal, first predeterminated frequency value is 100MHz.
Present invention also offers a kind of transmission method of signal, terminal side equipment is applied to, including：
Receive the downstream analog signal that the system side apparatus of power line transmission send；
The downstream analog signal is converted into Long Term Evolution LTE signals or 4G signals support the descending of frequency
Wireless signal；
Downstream wireless signals are sent.
Furthermore, it is understood that in the transmission method of described signal, the downstream analog signal is converted to for a long time
The step of evolution LTE signals or 4G signals support the downstream wireless signals of frequency includes：
Treatment is filtered to the downstream analog signal, the 7th signal is obtained；
Frequency-conversion processing is carried out to the 7th signal, frequency LTE signals or 4G signal frequency of use is obtained
8th signal；
Treatment is amplified to the 8th signal, the downstream wireless signals are obtained.
Furthermore, it is understood that in the transmission method of described signal, the step of downstream wireless signals are sent
Also include afterwards：
Receive the up movable signal that mobile terminal sends；
The up movable signal is converted into up analog signal；
The up analog signal is coupled on power line and is transmitted.
Furthermore, it is understood that in the transmission method of described signal, the up movable signal is converted to up
The step of analog signal, includes：
The up movable signal is filtered, the 9th signal is obtained；
Frequency-conversion processing is carried out to the 9th signal, tenth signal of the frequency less than the second predeterminated frequency value is obtained；
Treatment is amplified to the tenth signal, the up analog signal is obtained.
Furthermore, it is understood that in the transmission method of described signal, second predeterminated frequency value is 100MHz.
Present invention also offers a kind of system side apparatus, including：
Interface, the downstream digital signal for receiving baseband processing unit BBU transmissions；
System side processing module, for the downstream digital signal to be converted into downstream analog signal；
System side coupling module, is transmitted for the downstream analog signal to be coupled on power line.
Furthermore, it is understood that in described system side apparatus,
The interface receives the downstream digital signal that the BBU sends by optical fiber.
Furthermore, it is understood that in described system side apparatus, the system side processing module includes：
D/A converter module, for the downstream digital signal to be carried out into digital-to-analogue conversion, obtains the first signal；
First amplification module, for being amplified treatment to first signal, obtains secondary signal；
First filtration module, for being filtered treatment to the secondary signal, obtains the 3rd signal；
First frequency-variable module, for carrying out frequency-conversion processing to the 3rd signal, obtains frequency pre- less than first
If the downstream analog signal of frequency values.
Furthermore, it is understood that in described system side apparatus,
The system side coupling module, is additionally operable to the up simulation that receiving terminal side apparatus are sent by power line
Signal；
The system side processing module, is additionally operable to for the up analog signal to be converted to what the BBU was supported
Digital uplink signal；
The interface, the digital uplink signal for being additionally operable to support the BBU is sent to described by optical fiber
BBU。
Furthermore, it is understood that in described system side apparatus, the system side processing module also includes：
Second filtration module, for the up analog signal to be filtered, obtains the 4th signal；
Second frequency-variable module, for carrying out frequency-conversion processing to the 4th signal, obtains frequency higher than described the
5th signal of one predeterminated frequency value；
Second amplification module, for being amplified treatment to the 5th signal, obtains the 6th signal；
Analog-to-digital conversion module, for carrying out analog-to-digital conversion to the 6th signal, obtains the Base-Band Processing list
The digital uplink signal that first BBU is supported.
Furthermore, it is understood that in described system side apparatus, first predeterminated frequency value is 100MHz.
Present invention also offers a kind of terminal side equipment, including：
End side coupling module, the downstream analog signal that the system side apparatus for receiving power line transmission send；
End side processing module, for the downstream analog signal to be converted into Long Term Evolution LTE signals or 4G
Signal supports the downstream wireless signals of frequency；
Communication module, for downstream wireless signals to be sent.
Furthermore, it is understood that in described terminal side equipment, the end side processing module includes：
3rd filtration module, for being filtered treatment to the downstream analog signal, obtains the 7th signal；
3rd frequency-variable module, for carrying out frequency-conversion processing to the 7th signal, obtain frequency LTE signals or
8th signal of 4G signal frequency of use；
3rd amplification module, for being amplified treatment to the 8th signal, obtains the descending wireless communication
Number.
Furthermore, it is understood that in described terminal side equipment,
The communication module, is additionally operable to receive the up movable signal that mobile terminal sends；
The end side processing module, is additionally operable to for the up movable signal to be converted to up analog signal；
The end side coupling module, is additionally operable to be coupled to the up analog signal on power line and is passed
It is defeated.
Furthermore, it is understood that in described terminal side equipment, the end side processing module also includes：
4th filtration module, for the up movable signal to be filtered, obtains the 9th signal；
4th frequency-variable module, for carrying out frequency-conversion processing to the 9th signal, obtains frequency pre- less than second
If the tenth signal of frequency values；
4th amplification module, treatment is amplified to the tenth signal, obtains the up analog signal.
Furthermore, it is understood that in described terminal side equipment, second predeterminated frequency value is 100MHz.
The beneficial effects of the invention are as follows：The transmission method of signal of the invention, movable signal baseband pool BBU
The signal of the base station of receiving introduces power line, and signal is covered with whole building thing through power line；The method is convenient fast
Victory, without the wiring in building, Provider Equipment investment is small；It is that user can determine according to the need for itself
It is fixed whether signal to be obtained by power line.
Brief description of the drawings
Fig. 1 represents that the flow of the transmission method of the signal that system side apparatus are applied in the embodiment of the present invention is illustrated
Figure；
Fig. 2 represents that the flow of the transmission method of the signal that terminal side equipment is applied in the embodiment of the present invention is illustrated
Figure；
Fig. 3 represents the main composition figure of system side apparatus in the embodiment of the present invention；
Fig. 4 represents the detailed pie graph of system side apparatus in the embodiment of the present invention；
Fig. 5 represents the main composition figure of terminal side equipment in the embodiment of the present invention；
Fig. 6 represents the detailed pie graph of terminal side equipment in the embodiment of the present invention；
Fig. 7 represents in the embodiment of the present invention that signal is frequently in system side apparatus and terminal side equipment signals transmission
The schematic diagram of rate change；
Fig. 8 represents that system side apparatus and terminal side equipment carry out signal biography by power line in the embodiment of the present invention
The schematic diagram of defeated use FDD (frequency division) standard.
Fig. 9 represents that power line carries out schematic diagram of the signal transmission using TDD (time-division) standard in the prior art.
Specific embodiment
It is below in conjunction with accompanying drawing and specifically real to make the object, technical solutions and advantages of the present invention clearer
The present invention will be described in detail to apply example.
The invention provides a kind of transmission method of signal, system side apparatus are applied to, including：
Step 1, receives the downstream digital signal that baseband processing unit BBU sends；
Step 2, downstream analog signal is converted into by downstream digital signal；
Step 3, downstream analog signal is coupled on power line and is transmitted.
In the method, the downstream digital signal that BBU sends is obtained, the downstream digital signal is base station to BBU
The data signal of transmission.The downstream digital signal of acquisition is converted into downstream analog signal by data signal.
After simulated descending movable signal is pre-processed, downstream analog is formed to downstream digital signal frequency conversion
Signal, then coupled in power line, the signal to the building is realized by arrangement power line under construction
Covering.User can choose whether to receive the downstream analog signal using having been coupled in power line, so that
Avoid the problem that user worries radiation and refuses arranging signal transmission line under construction.Because passing through power line
Transmission downstream analog signal, greatlys save the cost of laying signal transmssion line, reduces the input of operator.
Specifically, in step 1, the downstream digital signal that BBU sends is received by optical fiber, it is ensured that under
The efficiency of transmission of row data signal.
Specifically, step 2 includes：
Downstream digital signal is carried out into digital-to-analogue conversion, the first signal is obtained；Treatment is amplified to the first signal,
Obtain secondary signal；
Treatment is filtered to secondary signal, the 3rd signal is obtained；
Frequency-conversion processing is carried out to the 3rd signal, downstream analog signal of the frequency less than the first predeterminated frequency value is obtained.
Wherein, frequency is conducive to being transmitted in power line less than the downstream analog signal of the first predeterminated frequency value.
After the step of downstream digital signal for sending baseband processing unit BBU is coupled to power line, also
Including：
The up analog signal that terminal side equipment sends is transferred to the process of BBU.The process is specially：
The up analog signal that receiving terminal side apparatus are sent by power line；
Up analog signal is converted to the digital uplink signal of BBU supports；
The digital uplink signal that BBU is supported is sent to BBU by optical fiber.
This procedure ensures that the up analog signal that terminal side equipment transmission is obtained from power line is delivered to BBU
It is interior, such that it is able to using the arrangement of power line substitution signal transmission line, save the cost of operator.
Furthermore, it is understood that the step of up analog signal is converted into the digital uplink signal of BBU supports includes：
Up analog signal is filtered, the 4th signal is obtained；
Frequency-conversion processing is carried out to the 4th signal, fiveth signal of the frequency higher than the first predeterminated frequency value is obtained；
Treatment is amplified to the 5th signal, the 6th signal is obtained；
Analog-to-digital conversion is carried out to the 6th signal, the digital uplink signal of baseband processing unit BBU supports is obtained.
Wherein, the first above-mentioned predeterminated frequency value is 100MHz.
Present invention also offers a kind of transmission method of signal, terminal side equipment is applied to, including：
Step 10, receives the downstream analog signal that the system side apparatus of power line transmission send；
Step 20, is converted to downstream analog signal LTE signals or 4G signals supports the descending wireless of frequency
Signal；
Step 30, downstream wireless signals are sent.
In this method, the downstream analog signal sent by reception system side apparatus is turned downstream analog signal
It is changed to LTE signals or 4G signals supports that the signal of frequency is transmitted, realizes mobile terminal to descending mould
Intend the reception of signal, be easy to user to choose whether to receive by the downstream analog signal of power line transmission.
Furthermore, it is understood that step 20 includes：
Treatment is filtered to downstream analog signal, the 7th signal is obtained；
Frequency-conversion processing is carried out to the 7th signal, the 8th of frequency LTE signals or 4G signal frequency of use is obtained
Signal；
Treatment is amplified to the 8th signal, downstream wireless signals are obtained.
After the process that the downstream wireless signals that the system side apparatus of power line transmission send are sent, also
Including：The process of the up movable signal coupled to power line of mobile terminal transmission is received, the process includes：
Receive the up movable signal that mobile terminal sends；
Up movable signal is converted into up analog signal；
Up analog signal is coupled on power line and is transmitted.
It is achieved thereby that mobile terminal is sent to the purpose of power line, such that it is able to substitute letter using power line
The arrangement of number transmission line, has saved the cost of operator.
Specifically, the step of up movable signal being converted into up analog signal includes：
Up movable signal is filtered, the 9th signal is obtained；
Frequency-conversion processing is carried out to the 9th signal, tenth signal of the frequency less than the second predeterminated frequency value is obtained；
Treatment is amplified to the tenth signal, up analog signal is obtained.
Wherein, the second predeterminated frequency value is 100MHz.
Shown in reference picture 3, the transmission method of the above-mentioned signal for being applied to system side apparatus of correspondence, the present invention is also
There is provided a kind of system side apparatus, including：
Interface 100, the downstream digital signal for receiving baseband processing unit BBU transmissions；
System side processing module 200, for downstream digital signal to be converted into downstream analog signal；
System side coupling module 300, is transmitted for downstream analog signal to be coupled on power line.
System side apparatus coupled in power line, carry on a shoulder pole the downstream digital signal in BBU so as to avoid user
The heart is radiated and refuses the problem of arranging signal transmission line under construction.Because passing through power line transmission signals, greatly
The big cost for having saved laying signal transmssion line, reduces the input of operator.
Interface 100 is optical fiber interface, and the downstream digital signal that BBU sends is received by optical fiber, it is ensured that under
The efficiency of transmission of row data signal.
In order to realize that downstream digital signal is converted into downstream analog signal, system side processing module 200 includes：
D/A converter module, for downstream digital signal to be carried out into digital-to-analogue conversion, obtains the first signal；
First amplification module, for being amplified treatment to the first signal, obtains secondary signal；
First filtration module, for being filtered treatment to secondary signal, obtains the 3rd signal；
First frequency-variable module, for carrying out frequency-conversion processing to the 3rd signal, obtains frequency less than the first default frequency
The downstream analog signal of rate value.
System side apparatus are additionally operable to be transferred to terminal side equipment by the up analog signal that power line sends
BBU。
Wherein, system side coupling module 300, be additionally operable to receiving terminal side apparatus by power line send it is up
Analog signal；
System side processing module 200, is additionally operable to be converted to up analog signal the upstream digital of BBU supports
Signal；
Interface 100, is additionally operable to for the digital uplink signal that BBU is supported to be sent to BBU by optical fiber.
In order to realize for terminal side equipment being transferred to BBU, system by the up analog signal that power line sends
Side processing module also includes：
Second filtration module, for up analog signal to be filtered, obtains the 4th signal；
Second frequency-variable module, for carrying out frequency-conversion processing to the 4th signal, obtains frequency higher than the first default frequency
5th signal of rate value；
Second amplification module, for being amplified treatment to the 5th signal, obtains the 6th signal；
Analog-to-digital conversion module, for carrying out analog-to-digital conversion to the 6th signal, obtains baseband processing unit BBU branch
The digital uplink signal held.
In the above embodiment of the present invention, the first predeterminated frequency value can be 100MHz.
In the outdoor end of power line, major function is to complete to be interacted with the signal of BBU to system side equipment application,
BBU is transmitted through the downstream digital signal frequency conversion for coming for the downstream analog signal of 4G or LTE is coupled into power line
Transmission, while the upward signal frequency conversion that terminal side equipment is passed over and passing to BBU by optical fiber.
Shown in reference picture 4, in the hardware structure of system side apparatus, including uplink and downlink two
Sub-signal processes path.
Downlink, the downstream digital signal that base station is sent to BBU is coupled in power line, downlink
Including：Interface, digital to analog conversion module, the first amplification module, the first filtration module and system side coupling module.
Uplink, sends terminal side equipment the up analog signal into power line and is coupled in BBU,
Uplink includes：
System side coupling module, the second filtration module, the second frequency-variable module, the second amplification module, modulus turn
Mold changing block and interface.
The downstream digital signal received from BBU is carried out digital-to-analogue conversion, amplification, filtering by system side apparatus, is become
Frequency is intermediate-freuqncy signal f1 (being less than 100MHz), and terminal side equipment is passed to by power line.
Meanwhile, the up analog signal f2 that end side passes over is filtered, frequency conversion, amplification and digital-to-analogue
Up analog signal, BBU is passed to by interface by conversion.
Shown in reference picture 5, the transmission method of the above-mentioned signal for being applied to terminal side equipment of correspondence, the present invention is also
There is provided a kind of terminal side equipment, including：
End side coupling module 400, the downstream analog letter that the system side apparatus for receiving power line transmission send
Number；
End side processing module 500, for downstream analog signal to be converted into Long Term Evolution LTE signals or 4G
Signal supports the downstream wireless signals of frequency；
Communication module 600, for downstream wireless signals to be sent.
Wherein, communication module 600 includes duplexer and antenna.
In order to realize that downstream analog signal is converted into LTE signals or 4G signals supports the descending wireless of frequency
Signal, end side processing module 500 includes：
3rd filtration module, for being filtered treatment to downstream analog signal, obtains the 7th signal；
3rd frequency-variable module, for carrying out frequency-conversion processing to the 7th signal, obtains frequency LTE signals or 4G
8th signal of signal frequency of use；
3rd amplification module, for being amplified treatment to the 8th signal, obtains downstream wireless signals.
Terminal side equipment is additionally operable to receive the up movable signal that mobile terminal sends, and by up movable signal
It is changed into up analog signal hair coupled in power line.
In order to realize this purpose, communication module 600 is additionally operable to receive the up mobile letter that mobile terminal sends
Number；
End side processing module 500, is additionally operable to for up movable signal to be converted to up analog signal；
End side coupling module 400, is additionally operable to be coupled to up analog signal on power line and is transmitted.
In order to realize for up movable signal being converted to up analog signal, end side processing module 500 is also wrapped
Include：
4th filtration module, for up movable signal to be filtered, obtains the 9th signal；
4th frequency-variable module, for carrying out frequency-conversion processing to the 9th signal, obtains frequency less than the second default frequency
Tenth signal of rate value；
4th amplification module, treatment is amplified to the tenth signal, obtains up analog signal.
Wherein, the second predeterminated frequency value is 100MHz.
The downstream analog signal frequency conversion that terminal side equipment transmits system side apparatus is believed for the 4G of operator
Number or LTE signal frequencies signal, then launched by antenna, complete descending covering.
The up movable signal that the mobile terminals such as mobile phone send is received simultaneously, during up movable signal is converted to
Frequently, system side apparatus are sent to by power line.
Shown in reference picture 6, the hardware structure of terminal side equipment mainly includes uplink and downlink two
Part.
Downlink, system side apparatus are gone out coupled to the wireless signal transmission in power line, downlink
Including：End side coupling module, the 3rd filtration module, the 3rd frequency-variable module, the 3rd amplification module, duplex
Device and antenna.
Uplink, is coupled to transmission in power line after the up movable signal frequency conversion that mobile terminal is sent,
Uplink includes antenna, duplexer, the 4th filtration module, the 4th frequency-variable module and the 4th amplification module.
The downstream analog signal filtering that system side apparatus are passed through power line transmission by terminal side equipment, removal interference,
Frequency conversion is the signal of the actual 4G signals of operator or LTE signal frequencies, then by after amplification, by day
Line is launched, and completes descending covering；
The up movable signal filtering that terminal side equipment simultaneously sends the mobile terminal for receiving, frequency conversion is intermediate frequency
Signal, after amplification, system side apparatus is sent to by power line.
Shown in reference picture 7, terminal of the invention is discussed in detail by taking the LTE signals of 1800MHz as an example
The frequency of LTE signals changes in the transmitting procedure that side apparatus and system side apparatus pass through power line.
System side apparatus, to 50MHz, are transmitted first the LTE signal frequency conversions of 1800MHz in power line,
Complete first time frequency conversion；
Terminal side equipment is again 1800MHz the LTE signal frequency conversions of 50MHz, completes second frequency conversion.
Directly compared in power line transmission with 1800MHz signals, double converter techniques can make coverage distance increase 300%
More than.
Shown in reference picture 8 and Fig. 9, conventional powerline transmission equipment is all using TDD standards, i.e. signal hair
Penetrate and receive using identical frequency, bandwidth is shared using time division mode.
In the present invention, system side apparatus and terminal side equipment transmission use FDD standards, signal transmitting and reception
Using different frequencies, compared with TDD standards, the theoretical system capacity of FDD standards is doubled.
System side apparatus introduce 4G signals or LTE signals on the power line of interior of building, and signal is through electric power
Line is transferred to each corner of interior of building.Directly inserted in power line in place for needing signal to cover
A terminal device is inserted on seat, convenient and swift, without wiring, Provider Equipment investment is small.Terminal sets
Standby is family's level, and small volume is cheap, if using power to make decision in user's hand, in the absence of resident's load
Electrocardio magnetic radiation opposes problem.
In the embodiment of the present invention, module can be realized with software, so as to by various types of computing devices.
For example, an end side processing module can include one or more physics of computer instruction or patrol
Collect block, for example, it can be built as object, process or function.Even so, end side is processed
The executable code of module need not be physically located together, and can be including storing in different positions not
Same instruction, when being combined together in these command logics, it constitutes module and realizes the rule of the module
Determine purpose.
In fact, end side processing module can be individual instructions or the instruction of many bars, and even may be used
To be distributed on multiple different code segments, it is distributed in the middle of distinct program, and is set across multiple memories
Back-up cloth.Similarly, peration data can be identified in module, and can be according to any appropriate shape
Formula is realized and is organized in the data structure of any appropriate type.The peration data can be as single
Data set is collected, or can be distributed on diverse location (be included in different storage device), and extremely
Only can partially be present in system or network as electronic signal.
When module can be realized using software, it is contemplated that the level of existing hardware technique, it is possible to soft
The module that part is realized, in the case where cost is not considered, those skilled in the art can build corresponding hard
Part circuit realizes corresponding function, and the hardware circuit includes conventional ultra-large integrated (VLSI) electricity
The existing semiconductor of road or gate array and such as logic chip, transistor etc or other are discrete
Element.Module can also use programmable hardware device, such as field programmable gate array, programmable array to patrol
Volume, programmable logic device etc. realizes.
Above-described is the preferred embodiment of the present invention, it should be pointed out that for the ordinary people of the art
For member, some improvements and modifications can also be made under the premise of principle of the present invention is not departed from, these
Improvements and modifications are also within the scope of the present invention.
Claims (22)
1. a kind of transmission method of signal, is applied to system side apparatus, it is characterised in that including：
Receive the downstream digital signal that baseband processing unit BBU sends；
The downstream digital signal is converted into downstream analog signal；
The downstream analog signal is coupled on power line and is transmitted.
2. the transmission method of signal according to claim 1, it is characterised in that receive Base-Band Processing list
The step of downstream digital signal that first BBU sends, includes：
The downstream digital signal that the BBU sends is received by optical fiber.
3. the transmission method of signal according to claim 1, it is characterised in that by the downstream digital
The step of signal is converted into downstream analog signal includes：
The downstream digital signal is carried out into digital-to-analogue conversion, the first signal is obtained；
Treatment is amplified to first signal, secondary signal is obtained；
Treatment is filtered to the secondary signal, the 3rd signal is obtained；
Frequency-conversion processing is carried out to the 3rd signal, downstream analog of the frequency less than the first predeterminated frequency value is obtained
Signal.
4. the transmission method of signal according to claim 1, it is characterised in that by the downstream analog
Signal also includes after being coupled to the step of being transmitted on power line：
The up analog signal that receiving terminal side apparatus are sent by power line；
The up analog signal is converted into the digital uplink signal that the BBU is supported；
The digital uplink signal that the BBU is supported is sent to the BBU by optical fiber.
5. the transmission method of signal according to claim 4, it is characterised in that by the up simulation
The step of signal is converted to the digital uplink signal of the BBU supports includes：
The up analog signal is filtered, the 4th signal is obtained；
Frequency-conversion processing is carried out to the 4th signal, frequency is obtained higher than the 5th of first predeterminated frequency value
Signal；
Treatment is amplified to the 5th signal, the 6th signal is obtained；
Analog-to-digital conversion is carried out to the 6th signal, the upper line number that the baseband processing unit BBU is supported is obtained
Word signal.
6. the transmission method of the signal according to claim 3 or 5, it is characterised in that described first is pre-
If frequency values are 100MHz.
7. a kind of transmission method of signal, is applied to terminal side equipment, it is characterised in that including：
Receive the downstream analog signal that the system side apparatus of power line transmission send；
The downstream analog signal is converted into Long Term Evolution LTE signals or 4G signals support the descending of frequency
Wireless signal；
Downstream wireless signals are sent.
8. the transmission method of signal according to claim 7, it is characterised in that by the downstream analog
Signal is converted to the step of Long Term Evolution LTE signals or 4G signals support the downstream wireless signals of frequency to be included：
Treatment is filtered to the downstream analog signal, the 7th signal is obtained；
Frequency-conversion processing is carried out to the 7th signal, frequency LTE signals or 4G signal frequency of use is obtained
8th signal；
Treatment is amplified to the 8th signal, the downstream wireless signals are obtained.
9. the transmission method of signal according to claim 7, it is characterised in that by downstream wireless signals
Also include after the step of sending：
Receive the up movable signal that mobile terminal sends；
The up movable signal is converted into up analog signal；
The up analog signal is coupled on power line and is transmitted.
10. the transmission method of signal according to claim 9, it is characterised in that by the up shifting
The step of dynamic signal is converted to up analog signal includes：
The up movable signal is filtered, the 9th signal is obtained；
Frequency-conversion processing is carried out to the 9th signal, tenth signal of the frequency less than the second predeterminated frequency value is obtained；
Treatment is amplified to the tenth signal, the up analog signal is obtained.
The transmission method of 11. signals according to claim 10, it is characterised in that described second presets
Frequency values are 100MHz.
A kind of 12. system side apparatus, it is characterised in that including：
Interface, the downstream digital signal for receiving baseband processing unit BBU transmissions；
System side processing module, for the downstream digital signal to be converted into downstream analog signal；
System side coupling module, is transmitted for the downstream analog signal to be coupled on power line.
13. system side apparatus according to claim 12, it is characterised in that
The interface receives the downstream digital signal that the BBU sends by optical fiber.
14. system side apparatus according to claim 12, it is characterised in that the system side processes mould
Block includes：
D/A converter module, for the downstream digital signal to be carried out into digital-to-analogue conversion, obtains the first signal；
First amplification module, for being amplified treatment to first signal, obtains secondary signal；
First filtration module, for being filtered treatment to the secondary signal, obtains the 3rd signal；
First frequency-variable module, for carrying out frequency-conversion processing to the 3rd signal, obtains frequency pre- less than first
If the downstream analog signal of frequency values.
15. system side apparatus according to claim 12, it is characterised in that
The system side coupling module, is additionally operable to the up simulation that receiving terminal side apparatus are sent by power line
Signal；
The system side processing module, is additionally operable to for the up analog signal to be converted to what the BBU was supported
Digital uplink signal；
The interface, the digital uplink signal for being additionally operable to support the BBU is sent to described by optical fiber
BBU。
16. system side apparatus according to claim 15, it is characterised in that the system side processes mould
Block also includes：
Second filtration module, for the up analog signal to be filtered, obtains the 4th signal；
Second frequency-variable module, for carrying out frequency-conversion processing to the 4th signal, obtains frequency higher than described the
5th signal of one predeterminated frequency value；
Second amplification module, for being amplified treatment to the 5th signal, obtains the 6th signal；
Analog-to-digital conversion module, for carrying out analog-to-digital conversion to the 6th signal, obtains the Base-Band Processing list
The digital uplink signal that first BBU is supported.
The 17. system side apparatus according to claim 14 or 16, it is characterised in that described first is pre-
If frequency values are 100MHz.
A kind of 18. terminal side equipments, it is characterised in that including：
End side coupling module, the downstream analog signal that the system side apparatus for receiving power line transmission send；
End side processing module, for the downstream analog signal to be converted into Long Term Evolution LTE signals or 4G
Signal supports the downstream wireless signals of frequency；
Communication module, for downstream wireless signals to be sent.
19. terminal side equipments according to claim 18, it is characterised in that the end side processes mould
Block includes：
3rd filtration module, for being filtered treatment to the downstream analog signal, obtains the 7th signal；
3rd frequency-variable module, for carrying out frequency-conversion processing to the 7th signal, obtain frequency LTE signals or
8th signal of 4G signal frequency of use；
3rd amplification module, for being amplified treatment to the 8th signal, obtains the descending wireless communication
Number.
20. terminal side equipments according to claim 18, it is characterised in that
The communication module, is additionally operable to receive the up movable signal that mobile terminal sends；
The end side processing module, is additionally operable to for the up movable signal to be converted to up analog signal；
The end side coupling module, is additionally operable to be coupled to the up analog signal on power line and is passed
It is defeated.
21. terminal side equipments according to claim 20, it is characterised in that the end side processes mould
Block also includes：
4th filtration module, for the up movable signal to be filtered, obtains the 9th signal；
4th frequency-variable module, for carrying out frequency-conversion processing to the 9th signal, obtains frequency pre- less than second
If the tenth signal of frequency values；
4th amplification module, treatment is amplified to the tenth signal, obtains the up analog signal.
22. terminal side equipments according to claim 21, it is characterised in that second predeterminated frequency
It is 100MHz to be worth.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510780092.4A CN106714195A (en) | 2015-11-13 | 2015-11-13 | Signal transmission method, terminal side equipment and system side equipment |
| PCT/CN2016/105320 WO2017080486A1 (en) | 2015-11-13 | 2016-11-10 | Transmission method for signals, terminal side equipment and system side equipment, and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510780092.4A CN106714195A (en) | 2015-11-13 | 2015-11-13 | Signal transmission method, terminal side equipment and system side equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106714195A true CN106714195A (en) | 2017-05-24 |
Family
ID=58694505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510780092.4A Withdrawn CN106714195A (en) | 2015-11-13 | 2015-11-13 | Signal transmission method, terminal side equipment and system side equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106714195A (en) |
| WO (1) | WO2017080486A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116248150A (en) * | 2023-05-12 | 2023-06-09 | 国网信息通信产业集团有限公司 | Method and system for transmitting wireless signal on power line |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350943B (en) * | 2018-09-28 | 2023-09-15 | 深圳市速腾聚创科技有限公司 | Wireless communication device with energy transmission and wireless communication method with energy transmission |
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| CN102130882A (en) * | 2011-04-14 | 2011-07-20 | 北京邮电大学 | OFDM (orthogonal frequency division multiplexing)-based high-speed rail mobile communication method and system |
| CN103078669A (en) * | 2013-02-25 | 2013-05-01 | 河北人天通信技术有限公司 | Signal distribution system based on power carrier waves |
| CN103327508A (en) * | 2013-07-09 | 2013-09-25 | 武汉虹信通信技术有限责任公司 | Access system for transmitting wireless signals and Ethernet signals by power line |
| EP2846572A1 (en) * | 2012-07-25 | 2015-03-11 | ZTE Corporation | Data transmission method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102446403B (en) * | 2011-12-28 | 2013-03-27 | 重庆朗天通讯股份有限公司 | Novel power utilization information collection system based on TD-LTE (time division-long term evolution) wireless broadband |
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2015
- 2015-11-13 CN CN201510780092.4A patent/CN106714195A/en not_active Withdrawn
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2016
- 2016-11-10 WO PCT/CN2016/105320 patent/WO2017080486A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102130882A (en) * | 2011-04-14 | 2011-07-20 | 北京邮电大学 | OFDM (orthogonal frequency division multiplexing)-based high-speed rail mobile communication method and system |
| EP2846572A1 (en) * | 2012-07-25 | 2015-03-11 | ZTE Corporation | Data transmission method and system |
| CN103078669A (en) * | 2013-02-25 | 2013-05-01 | 河北人天通信技术有限公司 | Signal distribution system based on power carrier waves |
| CN103327508A (en) * | 2013-07-09 | 2013-09-25 | 武汉虹信通信技术有限责任公司 | Access system for transmitting wireless signals and Ethernet signals by power line |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116248150A (en) * | 2023-05-12 | 2023-06-09 | 国网信息通信产业集团有限公司 | Method and system for transmitting wireless signal on power line |
| CN116248150B (en) * | 2023-05-12 | 2023-08-01 | 国网信息通信产业集团有限公司 | Method and system for transmitting wireless signal on power line |
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|---|---|
| WO2017080486A1 (en) | 2017-05-18 |
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