CN106162945A - Honeycomb base station device and data transmission method, communication equipment and communication system - Google Patents
Honeycomb base station device and data transmission method, communication equipment and communication system Download PDFInfo
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- CN106162945A CN106162945A CN201510169320.4A CN201510169320A CN106162945A CN 106162945 A CN106162945 A CN 106162945A CN 201510169320 A CN201510169320 A CN 201510169320A CN 106162945 A CN106162945 A CN 106162945A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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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 embodiment of the invention discloses a kind of honeycomb base station device and data transmission method, communication equipment and communication system, wherein, honeycomb base station device includes baseband processing equipment and the Remote Radio Unit connected by electric lines of force；Baseband processing equipment carries out Base-Band Processing and modulates and be transferred to Remote Radio Unit in electric lines of force downstream digital data signal, and is demodulated digital uplink signal, passes back to core-network side after Base-Band Processing；Remote Radio Unit demodulates downstream digital data signal from electric lines of force and carries out digital-to-analogue conversion, frequency conversion, the downstream analog data signal obtaining honeycomb covering frequency is launched by antenna, and the uplink analog data signal receiving antenna carries out frequency conversion, analog digital conversion, it is thus achieved that upstream digital baseband signal is also modulated and is transferred to baseband processing equipment in electric lines of force.The embodiment of the present invention returns back resource problem before solving cellular communication system, reduces deployment difficulty and the cost of indoor cellular communication system.
Description
Technical field
The present invention relates to communication technology, especially a kind of honeycomb base station device and transmission side data thereof
Method, communication equipment and communication system.
Background technology
Along with developing rapidly of wireless communication technology, with image, video and internet browsing etc. it is
Main multimedia service has become the main business demand of current mobile user so that the data of user
Traffic demand increased severely with day.Therefore, how to provide the user speed faster, more connection
The main target of Generation Mobile Communication System evolution when becoming following 5G.
In current 5G studies, super-intensive networking will effectively solve following connection number height, capacity needs
Seek big problem, be an important potential network construction form.But, micro-base station during super-intensive networking
Number is more, the highest to the passback resource requirement of micro-base station, needs disposing the position tool of micro-base station
For returning condition accordingly, how existing indoor, outdoor do not have passback resource, and passback condition will
Bottleneck of arranging net can be become.Meanwhile, because frequency spectrum resource is rare, the deployment frequency range that 5G arranges net very may be used
Can be the highest, then what the in-door covering highlighted in 4G LTE (Long Term Evolution) epoch was not enough
Problem will be still severe in the 5G epoch.
According to the in-door covering experience of LTE, have at present following several potential can deployment scheme, bag
Include distributing antenna system (DAS), integrated little base station and distributed little base station etc..Compare
In integrated little base station and distributed little base station, DAS can close road different systems easily due to it
Information source, industrial chain is ripe, cost is relatively low, is that currently used widest traditional passive indoor are divided
Distribution system.
But, during realizing the present invention, inventor finds, even if using DAS, system
Dispose difficulty the biggest, relatively costly: need the Zheng Zhuan building needing the network coverage is done portion again
The circuits such as administration's optical fiber, process cost complicated, required long in time limit and required is high；It addition, deployment room
Interior DAS needs to do the co-ordination of more non-technical, excessive to resource and time loss.
Summary of the invention
One to be solved of the embodiment of the present invention technical problem is that: provides a kind of honeycomb base station device
And data transmission method, communication equipment and communication system, utilize electric lines of force infrastructure to transmit honeybee
The digital signal of nest communication system, returns back resource problem before solving cellular communication system, thus
Reduce deployment difficulty and the cost of indoor cellular communication system.
A kind of communication equipment that the embodiment of the present invention provides, as baseband processing equipment, including:
Baseband processing unit, carries out base band for the downstream digital data signal sending core-network side
Process, obtain downstream digital baseband signal；And/or, upstream digital baseband signal is carried out base band
Process, and the upstream digital data signal obtained is passed back to core-network side；
First power line communication PLC signal processing unit, for believing described downstream digital base band
Number modulation is transferred to Remote Radio Unit in electric lines of force；And/or, Remote Radio Unit is passed through
The digital uplink signal of power line transmission is demodulated, and obtains described upstream digital baseband signal.
The another kind of communication equipment that the embodiment of the present invention provides, as Remote Radio Unit, including:
Second power line communication PLC signal processing unit, descending for demodulating from electric lines of force
Digital baseband signal；And/or, upstream digital modulates baseband signals to electric lines of force will be transferred to institute
State baseband processing equipment；
Wireless cellular network signal processing unit, for carrying out digital-to-analogue to described downstream digital baseband signal
Conversion, frequency conversion, obtain honeycomb and cover the downstream analog data signal of frequency to carry out sky by antenna
Mouth is launched；And/or, the uplink analog data signal that honeycomb is covered frequency that antenna is received
Carry out frequency conversion, analog digital conversion, it is thus achieved that described upstream digital baseband signal.
A kind of honeycomb base station device that the embodiment of the present invention provides, including baseband processing equipment and radio frequency
Extension unit, between described baseband processing equipment and described Remote Radio Unit by electric lines of force even
Connect；
Described baseband processing equipment, is carried out for the downstream digital data signal sending core-network side
Base-Band Processing, obtains downstream digital baseband signal and modulates and be transferred to described radio frequency in electric lines of force and draw
Remote unit；And/or, to the described Remote Radio Unit digital uplink signal by power line transmission
It is demodulated, obtains upstream digital baseband signal and carry out Base-Band Processing, the upstream digital that will obtain
Data signal passes back to core-network side；
Described electric lines of force, for entering between described baseband processing equipment and described Remote Radio Unit
Return back before row uplink and downlink digital baseband signal；
Described Remote Radio Unit, for demodulating downstream digital baseband signal from electric lines of force, and
Carry out digital-to-analogue conversion, frequency conversion, obtain honeycomb and cover the downstream analog data signal of frequency with by sky
Line is launched；And/or, the honeycomb received by antenna covers the uplink analog data signal of frequency and enters
Row frequency conversion, analog digital conversion, it is thus achieved that described upstream digital baseband signal, and modulate biography in electric lines of force
It is defeated by described baseband processing equipment.
A kind of communication system that the embodiment of the present invention provides, including the network equipment and any of the above-described enforcement
The honeycomb base station device that example provides；
Described honeycomb base station device is specifically connected, by Ethernet, the business of communicating with equipment of the core network
Data signal passback；Or
Described honeycomb base station device concrete connection by carrier class private network with equipment of the core network is communicated
The data signal passback of business.
The data transmission method of a kind of honeycomb base station device that the embodiment of the present invention provides, described honeycomb
Base station equipment includes baseband processing equipment and Remote Radio Unit, and described baseband processing equipment is with described
Connected by electric lines of force between Remote Radio Unit；Described method includes:
In response to receiving the downstream digital data signal that core-network side sends, described Base-Band Processing sets
For described downstream digital data signal is carried out Base-Band Processing, obtain downstream digital baseband signal and adjust
System is transferred to described Remote Radio Unit in electric lines of force；Described Remote Radio Unit is from electric lines of force
Demodulate downstream digital baseband signal and carry out digital-to-analogue conversion, frequency conversion, obtaining honeycomb and cover frequency
Downstream analog data signal is to launch by antenna；And/or
In response to by antenna receive honeycomb cover frequency uplink analog data signal, described in penetrate
Frequently the uplink analog data signal that extension unit covers frequency to described honeycomb carries out frequency conversion, modulus turns
Change, it is thus achieved that described upstream digital baseband signal is also modulated and is transferred to described Base-Band Processing in electric lines of force
Equipment；The digital uplink signal of power line transmission is demodulated by described baseband processing equipment, obtains
Upstream digital baseband signal also carries out Base-Band Processing, the upstream digital data signal obtained is passed back to
Core-network side.
The honeycomb base station device provided based on the above embodiment of the present invention and data transmission method thereof, logical
Letter equipment and communication system, the baseband processing equipment of honeycomb base station device and described Remote Radio Unit
Between connected by electric lines of force, baseband processing equipment receive core-network side send downstream digital number
During the number of it is believed that, modulate in electric lines of force after downstream digital data signal is carried out Base-Band Processing and be transferred to
Remote Radio Unit, is demodulated downstream digital baseband signal by Remote Radio Unit from electric lines of force,
And carry out digital-to-analogue conversion and frequency conversion, it is thus achieved that pass through after the downstream analog data signal of honeycomb covering frequency
Antenna is launched；When Remote Radio Unit receives uplink analog data by antenna, to this up mould
Intend data signal and carry out frequency conversion and analog digital conversion, it is thus achieved that after upstream digital baseband signal, modulation is to electric power
Line is transferred to baseband processing equipment, by the baseband processing equipment upstream digital base to power line transmission
Band signal passes back to core-network side after carrying out Base-Band Processing.
The embodiment of the present invention, compared to existing technical scheme, has a following Advantageous Effects:
Solve the transfer resource problem of super-intensive networking/indoor distribution: the embodiment of the present invention utilizes
Indoor/outdoor street infrastructure-electric lines of force, returns back money as cellular communication system before covering
Source, returns back before carrying out the data signal of cellular communication system communication service, solve indoor and
The passback problem arranged net in outdoor small station, street, greatly reduces and again does the engineering difficulty such as track laying
With cost, concurrently facilitate difficult the asking of the siting of station solving following 5G network super-intensive networking
Topic；
Compatible with existing LTE/LTE-Advanced (LTE evolution) system standard: can be to existing
Standard device carries out relevant improvement, completes the indoor covering system of existing network, faces the future simultaneously
5G network；
The device structure of the embodiment of the present invention is simple, and cost is controlled, the communication system of the embodiment of the present invention
System can complete to arrange net on the basis of low cost；
The embodiment of the present invention can be applicable to existing various communication system, and LTE-Advanced
And the communication system such as following 5G.
Below by drawings and Examples, technical scheme is done and further retouches in detail
State.
Accompanying drawing explanation
The accompanying drawing of the part constituting description describes embodiments of the invention, and together with description
Together for explaining the principle of the present invention.
Referring to the drawings, according to detailed description below, the present invention can be more clearly understood from, its
In:
Fig. 1 is the structural representation of one embodiment of honeycomb base station device of the present invention.
Fig. 2 is the structural representation of one embodiment of baseband processing equipment of the present invention.
Fig. 3 is the structural representation of one embodiment of Remote Radio Unit of the present invention.
Fig. 4 is the structural representation of another embodiment of Remote Radio Unit of the present invention.
Fig. 5 is the structural representation of another embodiment of Remote Radio Unit of the present invention.
Fig. 6 is the structural representation of unified embodiment of communication system of the present invention.
Fig. 7 is the flow chart of one embodiment of data transmission method of honeycomb base station device of the present invention.
Fig. 8 is the schematic diagram of one Application Example of honeycomb base station device of the present invention.
Fig. 9 is the schematic diagram of another Application Example of honeycomb base station device of the present invention.
Figure 10 is the schematic diagram of another Application Example of honeycomb base station device of the present invention.
Detailed description of the invention
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should be noted that
Arriving: unless specifically stated otherwise, the parts illustrated the most in these embodiments are relative with step
Layout, numerical expression and numerical value do not limit the scope of the invention.
Simultaneously, it should be appreciated that for the ease of describing, the size of the various piece shown in accompanying drawing
It is not to draw according to actual proportionate relationship.
Description only actually at least one exemplary embodiment is illustrative below, never
As to the present invention and application thereof or any restriction of use.
May not make in detail for technology, method and apparatus known to person of ordinary skill in the relevant
Discuss, but in the appropriate case, described technology, method and apparatus should be considered the one of description
Part.
Shown here with in all examples discussed, any occurrence should be construed as merely and show
Example rather than as limit.Therefore, other example of exemplary embodiment can have not
Same value.
It should also be noted that similar label and letter expression similar terms in following accompanying drawing, therefore,
The most a certain Xiang Yi accompanying drawing is defined, then need not it is entered in accompanying drawing subsequently
One step discussion.
On the other hand, electric lines of force is most basic facility and condition in the modern life and family, in room
In, electric power is ubiquitous, and utilizing power line communication to do indoor " last one kilometer " access has other
The advantage that technology is incomparable.Power line communication reusable existing electric lines of force resource, low cost,
Transfer rate, up to 200Mbps～1Gbps, application can be done supplementing of traditional communication.But at present
Broadband over power line technology there is no method and supports that indoor cellular system covers.
The present invention is directed to problem above, towards LTE-Advanced and following 5G system, this
A kind of novel indoor distributed system scheme by indoor power line infrastructure of bright proposition, simultaneously
Propose to meet electric power base station equipment and the antenna transmitting device of this system requirements.
Fig. 1 is the structural representation of one embodiment of honeycomb base station device of the present invention.Such as Fig. 1 institute
Showing, the honeycomb base station device of this embodiment includes that baseband processing equipment (BBU) 110 and radio frequency draw
Remote unit (RRU) 120, passes through between baseband processing equipment 110 and Remote Radio Unit 120
Electric lines of force 130 connects, and transmits forward direction return path signal, jointly realizes cellular basestation function.
Baseband processing equipment 110, is carried out for the downstream digital data signal sending core-network side
Base-Band Processing, obtains the downstream digital baseband signal of wireless cellular network and (electric lines of force leads to according to PLC
Letter) modulation such as the modulation of protocol requirement, coded system is transferred to remote radio in electric lines of force 130
Unit 120；And/or, the upstream digital that Remote Radio Unit 120 is transmitted by electric lines of force 130
Signal is demodulated, and obtains the upstream digital baseband signal of wireless cellular network and carries out Base-Band Processing,
Thus obtained upstream digital data signal is passed back to core-network side.Power line frequency carrier example therein
As being a frequency in 30MHz～100MHz.
Remote Radio Unit 120, for demodulating descending base band signal from electric lines of force 130,
And this downstream digital baseband signal is carried out digital-to-analogue conversion and frequency conversion, obtain honeycomb and cover under frequency
Launched by antenna after row analog data signal；And/or, the honeycomb receiving antenna covers frequency
The uplink analog data signal of point carries out frequency conversion and analog digital conversion, it is thus achieved that the upper line number of wireless cellular network
Word baseband signal, and modulate electric lines of force 130 is transferred to baseband processing equipment 110.Therein
Honeycomb covers frequency, such as, can be 1.8GHz, 2.1GHz, 2.6GHz etc..
Electric lines of force 130, for entering between baseband processing equipment 110 and Remote Radio Unit 120
Return back before row wireless cellular network uplink and downlink digital baseband signal.
The honeycomb base station device provided based on the above embodiment of the present invention, baseband processing equipment is with described
Connected by electric lines of force between Remote Radio Unit, baseband processing equipment and described Remote Radio Unit
Between connected by electric lines of force, baseband processing equipment receive core-network side send downstream digital number
During the number of it is believed that, modulate in electric lines of force after downstream digital data signal is carried out Base-Band Processing and be transferred to
Remote Radio Unit, is demodulated downstream digital baseband signal by Remote Radio Unit from electric lines of force,
And carry out digital-to-analogue conversion and frequency conversion, it is thus achieved that pass through after the downstream analog data signal of honeycomb covering frequency
Antenna is launched；When Remote Radio Unit receives uplink analog data by antenna, to this up mould
Intend data signal and carry out frequency conversion and analog digital conversion, it is thus achieved that after upstream digital baseband signal, modulation is to electric power
Line is transferred to baseband processing equipment, by the baseband processing equipment upstream digital base to power line transmission
Band signal passes back to core-network side after carrying out Base-Band Processing..The embodiment of the present invention solves super-intensive
The transfer resource problem of networking/indoor distribution, solves indoor and arrange net in outdoor small station, street returns
Arraign is inscribed, and greatly reduces and again does engineering difficulty and the costs such as track laying, concurrently facilitates solution
The problem of the siting of station difficulty of the most following 5G network super-intensive networking；With existing LTE/LTE-
Advanced system standard is compatible, existing standard equipment can carry out relevant improvement, complete existing
The indoor covering system of network, face the future 5G network simultaneously；The equipment knot of the embodiment of the present invention
Structure is simple, and cost is controlled, and the communication system of the embodiment of the present invention can complete cloth on the basis of low cost
Net.
Based on the embodiment of the present invention, can be by baseband processing equipment 110 and Remote Radio Unit 120
Zoom out deployment, electric lines of force replace honeycomb to arrange net forward direction backhaul lines that " last one kilometer " access,
In a particular application, baseband processing equipment 110 can make one to one with Remote Radio Unit 120
With, it is also possible to one-to-many uses, equipment plug and play, convenient deployment.When one-to-many uses, penetrate
Frequently extension unit 120 can be specifically multiple, and in being respectively deployed in different chamber or same indoor are not
In chummery.
Fig. 2 is the present invention structural representation as one embodiment of communication equipment of baseband processing equipment
Figure.Baseband processing equipment in the following embodiment of the present invention can be as in embodiment illustrated in fig. 1
Baseband processing equipment 110, it is achieved baseband processing equipment 110 in each honeycomb base station device of the present invention
Corresponding function.As in figure 2 it is shown, the baseband processing equipment of this embodiment includes baseband processing unit
210 and a PLC signal processing unit 220.Wherein:
Baseband processing unit 210, is carried out for the downstream digital data signal sending core-network side
Base-Band Processing, obtains the downstream digital baseband signal of wireless cellular network and exports to a PLC letter
Number processing unit 220；And/or, the wireless honeybee to PLC signal processing unit 220 output
The upstream digital baseband signal of nest net carries out Base-Band Processing, and the upstream digital data signal that will obtain
Pass back to core-network side.
Oneth PLC signal processing unit 220, is used for downstream digital modulates baseband signals to electric power
Line 130 is transferred to Remote Radio Unit 120；And/or, to Remote Radio Unit 120 by electricity
The digital uplink signal of the line of force 130 transmission is demodulated, and obtains the upstream digital base of wireless cellular network
Band signal also exports to baseband processing unit 210.
It addition, referring back to Fig. 2, in another embodiment of baseband processing equipment, it is also possible to bag
Include power subsystem 230, be connected on electric lines of force 130, for baseband processing unit 210 and the
One PLC signal processing unit 220 is powered.
Fig. 3 is the present invention structural representation as one embodiment of communication equipment of Remote Radio Unit
Figure.Remote Radio Unit in the following embodiment of the present invention can be as in embodiment illustrated in fig. 1
Remote Radio Unit 120, it is achieved Remote Radio Unit 120 in each honeycomb base station device of the present invention
Corresponding function.As it is shown on figure 3, the Remote Radio Unit 120 of this embodiment includes the 2nd PLC
Signal processing unit 310 and wireless cellular network signal processing unit 320.Wherein:
2nd PLC signal processing unit 310, for demodulating radio honeycomb from electric lines of force 130
Net downstream digital baseband signal and export to wireless cellular network signal processing unit 320；And/or,
The upstream digital baseband signal of the wireless cellular network that wireless cellular network signal processing unit 320 is sent
Modulation is transferred to baseband processing equipment 110 in electric lines of force 130.
Wireless cellular network signal processing unit 320, for the 2nd PLC signal processing unit 310
The downstream digital baseband signal sent carries out digital-to-analogue conversion, frequency conversion, obtains honeycomb and covers under frequency
Row analog data signal is to carry out eating dishes without rice or wine to launch by antenna；And/or, receive antenna will
Honeycomb covers the uplink analog data signal of frequency and carries out frequency conversion, analog digital conversion, it is thus achieved that upstream digital
Baseband signal is also sent to the 2nd PLC signal processing unit 310.
Fig. 4 is the present invention structural representation as another embodiment of Remote Radio Unit.Such as figure
Shown in 4, in a concrete example, wireless cellular network signal processing unit 320 specifically can wrap
Include digital-to-analogue conversion (D/A) module 321, converter unit 322 and analog digital conversion (A/D) module
323.Wherein:
D/A module 321, for carrying out digital-to-analogue conversion to downstream digital baseband signal, by lower line number
Word baseband signal is preset the downstream analog signal of frequency and exports to converter unit 322.
Converter unit 322, being used for downstream analog signal frequency conversion is the descending mould that honeycomb covers frequency
Intend data signal to carry out eating dishes without rice or wine to launch by antenna；And/or, what antenna received covers honeycomb
The uplink analog data signal frequency conversion of lid frequency to preset frequency up analogue signal and output give
A/D module 323.
A/D module 323, for carrying out analog digital conversion to up analogue signal, by up simulation letter
Number be converted to the upstream digital baseband signal of wireless cellular network and export to the 2nd PLC signal processing
Unit 310.
Fig. 5 is the structural representation of another embodiment of Remote Radio Unit of the present invention.Such as Fig. 5 institute
Showing, in a concrete example of above-mentioned Remote Radio Unit embodiment, converter unit 322 is concrete
The first frequency mixer 510, emission filter the 520, second frequency mixer 530 and the first filter can be included
Ripple device 540, wherein:
First frequency mixer 510, for local oscillator frequency and the above-mentioned downstream analog signal that will pre-set
It is mixed, exports the first mixed frequency signal.
Emission filter 520, for being filtered the first mixed frequency signal, therefrom leaches honeycomb and covers
The downstream analog data signal of lid frequency.
Second frequency mixer 530, for covering the uplink analog data signal of frequency with in advance by honeycomb
The local oscillator frequency arranged is mixed, and exports the second mixed frequency signal.
First wave filter 540, for being filtered the second mixed frequency signal, therefrom leaches and presets frequency
Other signal beyond Dian is to obtain above-mentioned up analogue signal.
Referring back to Fig. 5, in another embodiment of Remote Radio Unit, it is also possible to include first
Amplifirer 550 and/or the second wave filter 560.Wherein, the first amplifirer 550, for above-mentioned
First mixed frequency signal of downstream analog signal or the output of the first frequency mixer 510 carries out power amplification；The
Two wave filter 560, for being filtered the downstream analog signal after power amplification, therefrom filter
Preset other signal outside frequency to obtain downstream analog signal.
It addition, in the further embodiment of Remote Radio Unit, it is also possible to include the second amplifirer
570 and receiving filter 580.Wherein, the second amplifirer 570, for the honeybee receiving antenna
Nest covers the uplink analog data signal of frequency and/or the second mixing of the second frequency mixer 530 output
Signal carries out power amplification；Receiving filter 580, for covering frequency to the honeycomb after power amplification
The uplink analog data signal of point is filtered, and therefrom filters honeycomb and covers the up simulation number of frequency
Other signal beyond the number of it is believed that.
It addition, in any embodiment shown in above-mentioned Fig. 3～Fig. 5, in Remote Radio Unit also
Power subsystem 330 can be included, be connected on electric lines of force 130, to the 2nd PLC signal
Each module in reason unit 310 and wireless cellular network signal processing unit 320 is powered.
Fig. 6 is the structural representation of unified embodiment of communication system of the present invention.As shown in Figure 6, originally
The communication system of inventive embodiments includes equipment of the core network 610 and any of the above-described embodiment of the present invention
Honeycomb base station device 620.Wherein, honeycomb base station device 620 is concrete and equipment of the core network 610 leads to
Cross Ethernet and connect the data signal passback of the business that communicates；Or, honeycomb base station device 620
The concrete data signal being connected, by carrier class private network, the business of communicating with equipment of the core network 610 is returned
Pass.
Fig. 7 is one reality of data transmission method of the present invention any of the above-described embodiment honeycomb base station device
Execute the flow chart of example.As it is shown in fig. 7, the data transmission method of one of them embodiment includes:
710, when baseband processing equipment receives the downstream digital data signal that core-network side sends,
This downstream digital data signal is carried out Base-Band Processing, obtains the downstream digital base band of wireless cellular network
Signal is also modulated and is transferred to Remote Radio Unit in electric lines of force.
720, Remote Radio Unit demodulates downstream digital baseband signal from electric lines of force, under this
Row number baseband signal carries out digital-to-analogue conversion, frequency conversion, obtains honeycomb and covers the downstream analog number of frequency
Launched by antenna after the number of it is believed that.
And/or
730, Remote Radio Unit receives honeycomb by antenna and covers the uplink analog data of frequency
During signal, this uplink analog data signal is carried out frequency conversion, analog digital conversion, it is thus achieved that wireless cellular network
Upstream digital baseband signal and modulate electric lines of force be transferred to baseband processing equipment.
740, the digital uplink signal of power line transmission is demodulated by baseband processing equipment, obtains
Upstream digital baseband signal also carries out Base-Band Processing, the upstream digital data signal obtained is passed back to
Core-network side.
The data transmission method provided based on the above embodiment of the present invention, utilizes indoor/outdoor street
Infrastructure-electric lines of force, returns back resource before covering as cellular communication system, leads to honeycomb
The data signal of communication system communication service returns back before carrying out, and solves indoor and outdoor small station, street
The passback problem arranged net, greatly reduces and again does engineering difficulty and the costs such as track laying, simultaneously
The problem contributing to solving the siting of station difficulty of following 5G network super-intensive networking；With existing
LTE/LTE-Advanced system standard is compatible: existing standard equipment can carry out relevant improvement,
Completing the indoor covering system of existing network, face the future 5G network simultaneously.
In a concrete example of above-mentioned data transmission method embodiment, in 720, from electric lines of force
In demodulate downstream digital baseband signal and carry out the operation of digital-to-analogue conversion, frequency conversion, specifically can lead to
Cross following manner to realize: from electric lines of force, demodulate downstream digital baseband signal；To downstream digital base
Band signal carries out digital-to-analogue conversion, and downstream digital baseband signal is converted to preset the downstream analog of frequency
Signal；It is that honeycomb covers the downstream analog data signal of frequency with logical by this downstream analog signal frequency conversion
Cross antenna to carry out eating dishes without rice or wine to launch.
Specifically, can be that honeycomb covers frequency by this downstream analog signal frequency conversion in the following way
The downstream analog data signal of point: the local oscillator frequency pre-set is mixed with downstream analog signal
Frequently, the first mixed frequency signal is exported；This first mixed frequency signal is filtered, therefrom leaches honeycomb and cover
The downstream analog data signal of lid frequency.
In another concrete example of above-mentioned data transmission method embodiment, in 730, will be to honeybee
The uplink analog data signal of nest covering frequency carries out the operation of frequency conversion, analog digital conversion, the most permissible
It is accomplished in that the honeycomb received by antenna covers the uplink analog data signal of frequency
It is converted to preset the up analogue signal of frequency；This up analogue signal is carried out analog digital conversion, will
This up analogue signal is converted to upstream digital baseband signal.
Specifically, can in the following way, the honeycomb received by antenna covers the up of frequency
Analog data signal frequency conversion is up analogue signal: honeycomb covers the uplink analog data letter of frequency
Number it is mixed with the local oscillator frequency pre-set, exports the second mixed frequency signal；To this second mixing
Signal is filtered, and therefrom leaches the uplink analog data signal of default frequency.
In further embodiment based on above-mentioned data transmission method example, it is also possible to including: under to
Row analogue signal or the first mixed frequency signal carry out power amplification；And to the descending mould after power amplification
Intend signal to be filtered, filter other signal beyond pre-set frequency band to obtain downstream analog signal.
In another embodiment based on above-mentioned data transmission method example, it is also possible to including: to sky
Uplink analog data signal and/or second mixed frequency signal of the honeycomb covering frequency that line receives are carried out
Power amplification；And the uplink analog data signal that the honeycomb after power amplification covers frequency is carried out
Filtering, filters honeycomb and covers other signal beyond the uplink analog data signal of frequency.
It addition, in the data transmission method embodiment of the various embodiments described above of the present invention, it is also possible to bag
Include: utilize the power subsystem being connected on electric lines of force in baseband processing equipment and Remote Radio Unit
The operation that is powered of each module.
The embodiment of the present invention is applicable to indoor home-use/public indoor distributed system and outdoor road
Lamp scene, the wireless network related to can be based on LTE network, and other network compatible, example
Such as CDMA EVDO (code division multiple access data optimization) network, (wideband code division is many for WCDMA
Location) transmission of the multimode signal such as network.
Fig. 8 is the schematic diagram of one Application Example of honeycomb base station device of the present invention, this application implementation
Example is specially electrically-based line and does the home-use system in indoor that honeycomb covers.Fig. 9 is honeycomb of the present invention
The schematic diagram of another Application Example of base station equipment, this Application Example is specially electrically-based line
Do the public indoor distributed system that honeycomb covers.As shown in Figure 8 and Figure 9, baseband processing equipment
110 use with Remote Radio Unit 120 one-to-many, and equipment plug and play, it is convenient to dispose.A pair
When using, this system is similar to the DAS system of in-door covering, and chummery can not be identical more
Community ID, is used for promoting covering, it is also possible to be similar to the deployment way of little base station, not chummery
Use different districts ID, be used for promoting transmission capacity.When specifically disposing, baseband processing equipment 110
Within can being distributed in ammeter, it is connected while doing data back with Ethernet interface, with power receptacle
Connecting the fl transmission doing data signal with access electric lines of force 130, Remote Radio Unit 120 is distributed in
Need to do the room that cellular signals covers, be connected with power receptacle to access electric lines of force 130,
Now, electric lines of force 130 is used as the transmission medium of forward direction return path signal.
Figure 10 is the schematic diagram of another Application Example of honeycomb base station device of the present invention.This application
Embodiment is specially electrically-based line and does the outer covering system of honeycomb cells, as shown in Figure 10, based on room
The basis such as outer street lamp electric power facility, returns back resource before doing cellular network.When specifically disposing, penetrate
Frequently extension unit 120 can be deployed on street lamp post, utilizes the electric lines of force in street lamp to carry out letter
Return back before number；Further, since little base station selection needs passback resource, utilize the present embodiment
Resource can be returned back before being done by electric lines of force, have the place of electric lines of force just can to solve with the little base station of cloth
Determine little base station positioning problem.
In this specification, each embodiment all uses the mode gone forward one by one to describe, and each embodiment emphasis is said
Bright is all the difference with other embodiments, same or analogous part between each embodiment
Cross-reference.For system embodiment, owing to it is the most corresponding with embodiment of the method,
So describe is fairly simple, relevant part sees the part of embodiment of the method and illustrates.
The method of the present invention, system may be achieved in many ways.Such as, can pass through software,
Hardware, firmware or software, hardware, any combination of firmware realize the method for the present invention and are
System.For the said sequence of step of described method merely to illustrate, the method for the present invention
Step be not limited to order described in detail above, unless specifically stated otherwise.Additionally,
In certain embodiments, the present invention also can be embodied as the program recorded in the recording medium, these
Program includes the machine readable instructions for realizing the method according to the invention.Thus, the present invention is also
Cover storage for performing the record medium of the program of the method according to the invention.
Description of the invention is given for the sake of example and description, and is not exhaustively
Or it limit the invention to disclosed form.Many modifications and variations are for the common skill of this area
It is obvious for art personnel.Selecting and describing embodiment is the principle in order to the present invention is more preferably described
Apply with reality, and make those of ordinary skill in the art it will be appreciated that the present invention thus design is suitable
The various embodiments with various amendments in special-purpose.
Claims (18)
1. a communication equipment, as baseband processing equipment, it is characterised in that including:
Baseband processing unit, carries out base band for the downstream digital data signal sending core-network side
Process, obtain downstream digital baseband signal；And/or, upstream digital baseband signal is carried out base band
Process, and the upstream digital data signal obtained is passed back to core-network side；
First power line communication PLC signal processing unit, for believing described downstream digital base band
Number modulation is transferred to Remote Radio Unit in electric lines of force；And/or, Remote Radio Unit is passed through
The digital uplink signal of power line transmission is demodulated, and obtains described upstream digital baseband signal.
Equipment the most according to claim 1, it is characterised in that also include:
Power subsystem, is connected on described electric lines of force, for described baseband processing unit and described
Oneth PLC signal processing unit is powered.
3. a communication equipment, as Remote Radio Unit, it is characterised in that including:
Second power line communication PLC signal processing unit, descending for demodulating from electric lines of force
Digital baseband signal；And/or, upstream digital modulates baseband signals to electric lines of force will be transferred to institute
State baseband processing equipment；
Wireless cellular network signal processing unit, for carrying out digital-to-analogue to described downstream digital baseband signal
Conversion, frequency conversion, obtain honeycomb and cover the downstream analog data signal of frequency to carry out sky by antenna
Mouth is launched；And/or, the uplink analog data signal that honeycomb is covered frequency that antenna is received
Carry out frequency conversion, analog digital conversion, it is thus achieved that described upstream digital baseband signal.
Equipment the most according to claim 3, it is characterised in that described wireless cellular network is believed
Number processing unit includes:
D/A converter module, for carrying out digital-to-analogue conversion to described downstream digital baseband signal, by institute
State downstream digital baseband signal and be converted to downstream analog signal；
Converter unit, being used for described downstream analog signal frequency conversion is the descending mould that honeycomb covers frequency
Intend data signal to carry out eating dishes without rice or wine to launch by antenna；And/or, antenna is received by honeycomb
The uplink analog data signal frequency conversion covering frequency is up analogue signal；
Analog-to-digital conversion module, for carrying out analog digital conversion, on described to described up analogue signal
Row analogue signal is converted to described upstream digital baseband signal.
Equipment the most according to claim 4, it is characterised in that described converter unit bag
Include:
First frequency mixer, for carrying out the local oscillator frequency pre-set with described downstream analog signal
Mixing, exports the first mixed frequency signal；
Emission filter, for being filtered the first mixed frequency signal, leaches honeycomb and covers frequency
Downstream analog data signal；
Second frequency mixer, is used for the uplink analog data signal that honeycomb covers frequency and pre-sets
Local oscillator frequency be mixed, export the second mixed frequency signal；
First wave filter, for being filtered the second mixed frequency signal, leaches beyond default frequency
Other signal is to obtain described up analogue signal.
Equipment the most according to claim 5, it is characterised in that described wireless cellular network is believed
Number processing unit also includes:
First amplifirer, for carrying out merit to described downstream analog signal or described first mixed frequency signal
Rate is amplified；And/or
Second wave filter, for being filtered the downstream analog signal after power amplification, filters pre-
If other signal outside frequency is to obtain described downstream analog signal.
7. according to the equipment described in claim 4 or 5, it is characterised in that described radio honeycomb
Net signal processing unit also includes:
Second amplifirer, the honeycomb for receiving antenna covers the uplink analog data letter of frequency
Number and/or described second mixed frequency signal carry out power amplification；
Receiving filter, for covering the uplink analog data letter of frequency to the honeycomb after power amplification
Number it is filtered, filters honeycomb and cover other signal beyond the uplink analog data signal of frequency.
8. according to the equipment described in claim 3 to 7 any one, it is characterised in that also wrap
Include:
Power subsystem, is connected on described electric lines of force, for described 2nd PLC signal processing
Unit and described wireless cellular network signal processing unit are powered.
9. a honeycomb base station device, it is characterised in that include that baseband processing equipment and radio frequency draw
Remote unit, is connected by electric lines of force between described baseband processing equipment with described Remote Radio Unit；
Described baseband processing equipment, is carried out for the downstream digital data signal sending core-network side
Base-Band Processing, obtains downstream digital baseband signal and modulates and be transferred to described radio frequency in electric lines of force and draw
Remote unit；And/or, to the described Remote Radio Unit digital uplink signal by power line transmission
It is demodulated, obtains upstream digital baseband signal and carry out Base-Band Processing, the upstream digital that will obtain
Data signal passes back to core-network side；
Described electric lines of force, for entering between described baseband processing equipment and described Remote Radio Unit
Return back before row uplink and downlink digital baseband signal；
Described Remote Radio Unit, for demodulating downstream digital baseband signal from electric lines of force, and
Carry out digital-to-analogue conversion, frequency conversion, obtain honeycomb and cover the downstream analog data signal of frequency with by sky
Line is launched；And/or, the honeycomb receiving antenna covers the uplink analog data signal of frequency and enters
Row frequency conversion, analog digital conversion, it is thus achieved that described upstream digital baseband signal, and modulate biography in electric lines of force
It is defeated by described baseband processing equipment.
Honeycomb base station device the most according to claim 9, it is characterised in that described base band
Processing equipment is specially one；Or
Described Remote Radio Unit is the most multiple, in being respectively deployed in different chamber or same indoor
Not in chummery.
11. according to the honeycomb base station device described in claim 9 or 10, it is characterised in that institute
State baseband processing equipment and be specially the communication equipment described in claim 1 or 2；Or
The specially communication described in claim 3 to 8 any one of described Remote Radio Unit sets
Standby.
12. 1 kinds of communication systems, it is characterised in that include the network equipment and claim 9 to 11
Honeycomb base station device described in any one；
Described honeycomb base station device is specifically connected, by Ethernet, the business of communicating with equipment of the core network
Data signal passback；Or
Described honeycomb base station device concrete connection by carrier class private network with equipment of the core network is communicated
The data signal passback of business.
The data transmission method of 13. 1 kinds of honeycomb base station devices, it is characterised in that described honeycomb base
Station equipment includes that baseband processing equipment and Remote Radio Unit, described baseband processing equipment are penetrated with described
Frequently connected by electric lines of force between extension unit；Described method includes:
In response to receiving the downstream digital data signal that core-network side sends, described Base-Band Processing sets
For described downstream digital data signal is carried out Base-Band Processing, obtain downstream digital baseband signal and adjust
System is transferred to described Remote Radio Unit in electric lines of force；Described Remote Radio Unit is from electric lines of force
Demodulate downstream digital baseband signal and carry out digital-to-analogue conversion, frequency conversion, obtaining honeycomb and cover frequency
Downstream analog data signal is to launch by antenna；And/or
In response to by antenna receive honeycomb cover frequency uplink analog data signal, described in penetrate
Frequently the uplink analog data signal that extension unit covers frequency to described honeycomb carries out frequency conversion, modulus turns
Change, it is thus achieved that described upstream digital baseband signal is also modulated and is transferred to described Base-Band Processing in electric lines of force
Equipment；The digital uplink signal of power line transmission is demodulated by described baseband processing equipment, obtains
Upstream digital baseband signal also carries out Base-Band Processing, the upstream digital data signal obtained is passed back to
Core-network side.
14. methods according to claim 13, described demodulate lower line number from electric lines of force
Word baseband signal and carry out digital-to-analogue conversion, frequency conversion includes:
Downstream digital baseband signal is demodulated from electric lines of force；
Described downstream digital baseband signal is carried out digital-to-analogue conversion, by described downstream digital baseband signal
Be converted to downstream analog signal；
It is that honeycomb covers the downstream analog data signal of frequency with logical by described downstream analog signal frequency conversion
Cross antenna to carry out eating dishes without rice or wine to launch；
Or
The uplink analog data signal that described honeycomb covers frequency carries out frequency conversion, analog digital conversion bag
Include:
It is up simulation that the honeycomb received by antenna covers the uplink analog data signal frequency conversion of frequency
Signal；
Described up analogue signal is carried out analog digital conversion, described up analogue signal is converted to institute
State upstream digital baseband signal.
15. methods according to claim 14, it is characterised in that by described downstream analog
Signal frequency conversion is that the downstream analog data signal of honeycomb covering frequency includes:
Being mixed with described downstream analog signal by the local oscillator frequency pre-set, output first mixes
Frequently signal；
First mixed frequency signal is filtered, leaches honeycomb and cover the downstream analog data letter of frequency
Number；
Or
It is up simulation that the honeycomb received by antenna covers the uplink analog data signal frequency conversion of frequency
Signal includes:
The uplink analog data signal that honeycomb covers frequency mixes with the local oscillator frequency pre-set
Frequently, the second mixed frequency signal is exported；
Second mixed frequency signal is filtered, leaches the described up analogue signal of default frequency.
16. methods according to claim 15, it is characterised in that also include:
Described downstream analog signal or described first mixed frequency signal are carried out power amplification；Power is put
Downstream analog signal after great is filtered, and filters other signal beyond default frequency with under acquisition
Row analogue signal.
17. according to the method described in claim 15 or 16, it is characterised in that also include:
The honeycomb receiving antenna covers the uplink analog data signal and/or described second of frequency
Mixed frequency signal carries out power amplification；
The uplink analog data signal that honeycomb after power amplification covers frequency is filtered, and filters
Honeycomb covers other signal beyond the uplink analog data signal of frequency.
18. according to the method described in claim 13 to 17 any one, it is characterised in that also
Including:
Utilize the power subsystem being connected on electric lines of force that described baseband processing equipment is drawn with described radio frequency
Each module in remote unit is powered.
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| CN201510169320.4A CN106162945A (en) | 2015-04-10 | 2015-04-10 | Honeycomb base station device and data transmission method, communication equipment and communication system |
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| CN201510169320.4A CN106162945A (en) | 2015-04-10 | 2015-04-10 | Honeycomb base station device and data transmission method, communication equipment and communication system |
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| CN109961621A (en) * | 2017-12-22 | 2019-07-02 | 中国电信股份有限公司 | Automatic meter reading method, device, system and ammeter |
| CN113891339A (en) * | 2020-07-01 | 2022-01-04 | 华为技术有限公司 | Communication system and near-end machine |
| 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 |
| CN116774644A (en) * | 2023-08-17 | 2023-09-19 | 武汉世炬信息技术有限公司 | Industrial automation control system and method |
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