CN106341162A - Communication method and equipment - Google Patents

Communication method and equipment Download PDF

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Publication number
CN106341162A
CN106341162A CN201510395338.6A CN201510395338A CN106341162A CN 106341162 A CN106341162 A CN 106341162A CN 201510395338 A CN201510395338 A CN 201510395338A CN 106341162 A CN106341162 A CN 106341162A
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CN
China
Prior art keywords
equipment
intermediate frequency
signal
force
analog
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510395338.6A
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Chinese (zh)
Inventor
王彦辉
王强
孙科
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CN201510395338.6A priority Critical patent/CN106341162A/en
Priority to PCT/CN2016/087313 priority patent/WO2017005109A1/en
Publication of CN106341162A publication Critical patent/CN106341162A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/54Systems for transmission via power distribution lines
    • H04B3/56Circuits for coupling, blocking, or by-passing of signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/54Systems for transmission via power distribution lines
    • H04B3/58Repeater circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W16/00Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/18Network planning tools
    • H04W16/20Network planning tools for indoor coverage or short range network deployment
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W16/00Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24Cell structures
    • H04W16/26Cell enhancers or enhancement, e.g. for tunnels, building shadow

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

The invention discloses a communication method, which comprises the steps that first equipment receives a first high-frequency analog signal sent by a base station; the first equipment converts the first high-frequency analog signal into a first intermediate-frequency analog signal; the first equipment sends the first intermediate-frequency analog signal to second equipment through an electric power line. According to the technical scheme provided by the invention, and outdoor signals or signals at strong signal coverage are introduced to a position with weak signal coverage in a wired transmission mode and then wirelessly transmitted through an electric power line deployed in the field, so that indoor signal coverage of a mobile cellular network is enabled to be enhanced conveniently and efficiently with a low cost. Compared with an existing mode of coaxial line transmission, the communication method disclosed by the invention not only keeps a high signal to noise ratio, but also enhances the user experience.

Description

Communication means and equipment
Technical field
The present embodiments relate to wireless communication field, and more particularly, to a kind of communication means, Equipment.
Background technology
With the gradually popularization of mobile cellular network, its covering performance as an important quality index, Gradually receive publicity.For example, indoors, however it remains mobile cellular network signal is weaker, mobile phone is therefore Cannot proper communication problem.The mode solving this problem used in the prior art mainly disposes handss Machine Signal Booster, but the deployment difficulty of this mode is big, particularly to necessary component coaxial cable Deployment: there is no ready-made coaxial cable cable tray indoors it is therefore desirable to using open-wire line deployment, special Other it is contemplated that isolation demand between dual-mode antenna, exterior aerial and indoor set need to keep The distance of 8-10 rice, to avoid cross-interference issue, what longer coaxial cable cabling increased is not only deployment Difficulty, more reduces Consumer's Experience.
Therefore, how facilitating, efficiently strengthening mobile cellular network indoor coverage of signal again at low cost is urgently The problem that need to solve.
Content of the invention
In view of this, the embodiment of the present invention provides a kind of communication means, equipment and system, with convenient, high Effect strengthens the covering performance of mobile cellular network again at low cost.
In a first aspect, embodiments providing a kind of communication means, methods described includes: first sets Standby the first high frequency analog signals receiving base station transmission;Described first frequency analog is believed by described first equipment Number it is converted into the first analog intermediate frequency signal;Described first intermediate frequency is simulated by described first equipment by electric lines of force Signal sends to the second equipment;Wherein, the frequency of described first high frequency analog signals is higher than in described first The frequency of frequency analogue signal.
Second aspect, embodiments provides a kind of communication means, and methods described includes: second sets Standby the first analog intermediate frequency signal receiving the first equipment transmission by electric lines of force;Described second equipment will be described First analog intermediate frequency signal is converted into the 3rd high frequency analog signals;Described second equipment is by described 3rd high frequency Analogue signal sends to terminal;Wherein, the frequency of described 3rd high frequency analog signals is higher than in described first The frequency of frequency analogue signal.
In a kind of implementation of embodiment of the present invention first aspect, methods described also includes: described first Equipment passes through described electric lines of force and receives the second analog intermediate frequency signal that described second equipment sends;Described first Described second analog intermediate frequency signal is converted to the second high frequency analog signals by equipment;Described first equipment is by institute State the second high frequency analog signals to send to described base station;Wherein, the frequency of described second high frequency analog signals Higher than described second analog intermediate frequency signal.
In a kind of implementation of embodiment of the present invention second aspect, methods described also includes: described second Equipment receives the 4th high frequency analog signals that described terminal sends;Described second equipment is by described 4th high frequency Analogue signal is converted into the second analog intermediate frequency signal;Described second equipment passes through described electric lines of force by described the Two analog intermediate frequency signals send to described first equipment;Wherein, the frequency of described 4th high frequency analog signals Frequency higher than described second analog intermediate frequency signal.
In conjunction with above-mentioned implementation, in a kind of realization of embodiment of the present invention first aspect or second aspect In mode, it is strong that base station is less than signal at the first equipment for the described base station in the signal intensity at the second equipment Degree;Wherein said base station is used for realizing communicating with described terminal.
In conjunction with above-mentioned implementation, in a kind of implementation of embodiment of the present invention first aspect, described Described first high frequency analog signals are converted into the first analog intermediate frequency signal particularly as follows: described by the first equipment Described first high frequency analog signals are converted into the first analog intermediate frequency signal by low-converter by one equipment.
In conjunction with above-mentioned implementation, in a kind of implementation of embodiment of the present invention first aspect, described Described second analog intermediate frequency signal is converted to the second high frequency analog signals particularly as follows: described by the first equipment Described second analog intermediate frequency signal is converted to the second high frequency analog signals by upconverter by one equipment.
In conjunction with above-mentioned implementation, in a kind of implementation of embodiment of the present invention first aspect, described First equipment by electric lines of force, described first analog intermediate frequency signal is sent to described second equipment particularly as follows: Described first analog intermediate frequency signal is coupled to described electric lines of force by transformator by described first equipment, then leads to Cross described electric lines of force to send to described second equipment.
In conjunction with above-mentioned implementation, in a kind of implementation of embodiment of the present invention first aspect, described The second analog intermediate frequency signal that first equipment passes through the described second equipment transmission of described electric lines of force reception is concrete For: described second equipment is passed through described from described electric lines of force by described first equipment by described transformator Described second analog intermediate frequency signal that electric lines of force sends is coupled in described first equipment.
In conjunction with above-mentioned implementation, in a kind of implementation of embodiment of the present invention second aspect, described Described first analog intermediate frequency signal is converted into the 3rd high frequency analog signals particularly as follows: described by the second equipment Described first analog intermediate frequency signal is converted into the 3rd high frequency analog signals by upconverter by two equipment.
In conjunction with above-mentioned implementation, in a kind of implementation of embodiment of the present invention second aspect, described Described 4th high frequency analog signals are converted into the second analog intermediate frequency signal particularly as follows: described by the second equipment Described 4th high frequency analog signals are converted into the second analog intermediate frequency signal by low-converter by two equipment.
In conjunction with above-mentioned implementation, in a kind of implementation of embodiment of the present invention second aspect, described Second equipment receives the first analog intermediate frequency signal that described first equipment sends particularly as follows: institute by electric lines of force Second equipment of stating passes through transformator from described electric lines of force by described the first of described first equipment transmission Frequency analogue signal is coupled in described second equipment.
In conjunction with above-mentioned implementation, in a kind of implementation of embodiment of the present invention second aspect, described Second equipment is sent described second analog intermediate frequency signal to described first equipment tool by described electric lines of force Body is: described second equipment passes through described transformator and described second analog intermediate frequency signal is coupled to described electricity The line of force, then sent to described first equipment by described electric lines of force.
The third aspect, embodiments provides a kind of first equipment, comprising: receptor, is used for connecing Receive the first high frequency analog signals that base station sends;First transducer, for turning the first high frequency analog signals Change the first analog intermediate frequency signal into;Conveyer, for by electric lines of force by described first analog intermediate frequency signal Send to described second equipment;Wherein, the frequency of described first high frequency analog signals is higher than in described first The frequency of frequency analogue signal.
Fourth aspect, embodiments provides a kind of second equipment, comprising: conveyer, for leading to Cross described electric lines of force and receive the first analog intermediate frequency signal that described first equipment sends;3rd transducer, uses In described first analog intermediate frequency signal is converted into the 3rd high frequency analog signals;Transmitter, for will be described 3rd high frequency analog signals send to terminal;Wherein, the frequency of described 3rd high frequency analog signals is higher than institute State the frequency of the first analog intermediate frequency signal.
In a kind of implementation of the embodiment of the present invention third aspect, described conveyer is additionally operable to, and passes through Described electric lines of force receives the second analog intermediate frequency signal that described second equipment sends;Described first equipment also wraps Include the second transducer, for described second analog intermediate frequency signal is converted to the second high frequency analog signals;Send out Send device, for sending described second high frequency analog signals to described base station;Wherein, described second high frequency The frequency of analogue signal is higher than the frequency of described second analog intermediate frequency signal.
In a kind of implementation of embodiment of the present invention fourth aspect, described second equipment also includes: connects Receive device, for receiving the 4th high frequency analog signals that described terminal sends;4th transducer, for by Four high frequency analog signals are converted into the second analog intermediate frequency signal;Described conveyer is additionally operable to, by described electricity The line of force sends described second analog intermediate frequency signal to described first equipment;Wherein, described 4th high frequency mould The frequency intending signal is higher than the frequency of described second analog intermediate frequency signal.
In conjunction with above-mentioned implementation, in a kind of realization of embodiment of the present invention first aspect or second aspect In mode, it is strong that base station is less than signal at the first equipment for the described base station in the signal intensity at the second equipment Degree;Wherein said base station is used for realizing communicating with described terminal.
In conjunction with above-mentioned implementation, in a kind of implementation of the embodiment of the present invention third aspect, described First transducer includes low-converter, specifically for described first high frequency analog signals are passed through low-converter It is converted into the first analog intermediate frequency signal.
In conjunction with above-mentioned implementation, in a kind of implementation of the embodiment of the present invention third aspect, described Second transducer includes upconverter, specifically for described second analog intermediate frequency signal is passed through upconverter Be converted to the second high frequency analog signals.
In conjunction with above-mentioned implementation, in a kind of implementation of the embodiment of the present invention third aspect, described Conveyer includes: transformator, wave filter and electric capacity;Described wave filter, in the described first conversion First high frequency analog signals are converted into after the first analog intermediate frequency signal device, filter described first intermediate frequency simulation Noise signal outside signal;Described transformator, for by described first intermediate frequency after described wave filter Analogue signal is coupled to described electric lines of force, then is sent to described second equipment by described electric lines of force;Described electricity Hold, for when described first analog intermediate frequency signal is sent to described second equipment by described electric lines of force, every Power frequency component on described electric lines of force, turns on described first analog intermediate frequency signal.
In conjunction with above-mentioned implementation, in a kind of implementation of the embodiment of the present invention third aspect, described Electric capacity is additionally operable to, when described second analog intermediate frequency signal is sent to described first equipment by described electric lines of force When, isolate the power frequency component on described electric lines of force, turn on described second analog intermediate frequency signal.Described transformation Device is additionally operable to, described second sending described second equipment by described electric lines of force from described electric lines of force Analog intermediate frequency signal is coupled in described first equipment;Described wave filter is additionally operable to, and filters in described second Noise signal outside frequency analogue signal.
In conjunction with above-mentioned implementation, in a kind of implementation of embodiment of the present invention fourth aspect, described 3rd transducer includes upconverter, specifically for described first analog intermediate frequency signal is passed through upconverter It is converted into the 3rd high frequency analog signals.
In conjunction with above-mentioned implementation, in a kind of implementation of embodiment of the present invention fourth aspect, described 4th transducer includes low-converter, specifically for described 4th high frequency analog signals are passed through low-converter It is converted into the second analog intermediate frequency signal.
In conjunction with above-mentioned implementation, in a kind of implementation of embodiment of the present invention fourth aspect, described Conveyer includes: transformator, wave filter and electric capacity;Described electric capacity, for when described first intermediate frequency mould When plan signal is sent to described second equipment by described electric lines of force, isolation power frequency letter on described electric lines of force Number, turn on described first analog intermediate frequency signal.Described transformator, for will be described on described electric lines of force Described first analog intermediate frequency signal that first equipment sends is coupled in described second equipment;Described filtering Device, for filtering the noise signal outside described first analog intermediate frequency signal.
In conjunction with above-mentioned implementation, in a kind of implementation of embodiment of the present invention fourth aspect, described Wave filter is additionally operable to, and in described 4th transducer, the 4th high frequency analog signals is converted into the second intermediate frequency simulation After signal, filter the noise signal outside described second analog intermediate frequency signal;Described transformator is additionally operable to, will Described electric lines of force is coupled to by described second analog intermediate frequency signal of described wave filter, then passes through described electricity The line of force is transmitted to described first equipment;Described electric capacity is additionally operable to, when described second analog intermediate frequency signal is by institute When stating electric lines of force and sending to described first equipment, isolate the power frequency component on described electric lines of force, in electric lines of force Described second analog intermediate frequency signal of upper conducting.
5th aspect, embodiments provides another kind of communication means, comprising: the first equipment receives The first baseband signal that baseband processing unit bbu sends;Described first base band is believed by described first equipment Number the first analog intermediate frequency signal is converted to by upconverter;Described first equipment will be described by electric lines of force First analog intermediate frequency signal sends to described second equipment;Wherein, the frequency of described first baseband signal is low Frequency in described first analog intermediate frequency signal.
6th aspect, embodiments provides another kind of communication means, comprising: the second equipment passes through Electric lines of force receives the first analog intermediate frequency signal that described first equipment sends;Described second equipment is by described One analog intermediate frequency signal is converted to the first high frequency analog signals by upconverter;Described second equipment is by institute State the first high frequency analog signals to send to terminal;Wherein, the frequency of described first high frequency analog signals is higher than The frequency of described first analog intermediate frequency signal.
In a kind of implementation that the embodiment of the present invention the 5th aspect provides, methods described also includes: institute First equipment of stating passes through described electric lines of force and receives the second analog intermediate frequency signal that described second equipment sends;Institute Described second analog intermediate frequency signal is converted to the second baseband signal by low-converter by the first equipment of stating;Institute First equipment of stating sends described second baseband signal to described bbu;Wherein, described second base band letter Number frequency be less than described second analog intermediate frequency signal frequency.
In a kind of implementation that the embodiment of the present invention the 6th aspect provides, methods described also includes: institute Second equipment of stating receives the second high frequency analog signals that described terminal sends;Described second equipment is by described Two high frequency analog signals are converted into the second analog intermediate frequency signal by low-converter;Described second equipment passes through Described electric lines of force sends described second analog intermediate frequency signal to described first equipment;Wherein, described second The frequency of high frequency analog signals is higher than the frequency of described second analog intermediate frequency signal.
In a kind of implementation that the embodiment of the present invention the 5th aspect or the 6th aspect provide, described Bbu is higher than signal intensity at the second equipment for the described bbu in the signal intensity at the first equipment.Institute State bbu for realizing communicating with described terminal.
In conjunction with above-mentioned implementation, in a kind of implementation that the embodiment of the present invention the 5th aspect provides, Described first equipment is sent described first analog intermediate frequency signal to described second equipment tool by electric lines of force Body is: described first analog intermediate frequency signal is coupled to described electric power by transformator by described first equipment Line, then sent to described second equipment by described electric lines of force.
In conjunction with above-mentioned implementation, in a kind of implementation that the embodiment of the present invention the 5th aspect provides, Described first equipment passes through described electric lines of force and receives the second analog intermediate frequency signal that described second equipment sends Particularly as follows: described first equipment passes through described transformator described second equipment is sent from described electric lines of force The second analog intermediate frequency signal be coupled in described first equipment.
In conjunction with above-mentioned implementation, in a kind of implementation that the embodiment of the present invention the 6th aspect provides, The first analog intermediate frequency signal that described second equipment receives described first equipment transmission by electric lines of force is concrete For: described second equipment receives, by transformator, the institute sending described first equipment from described electric lines of force State the first analog intermediate frequency signal to be coupled in described second equipment.
In conjunction with above-mentioned implementation, in a kind of implementation that the embodiment of the present invention the 6th aspect provides, Described second analog intermediate frequency signal is sent by described electric lines of force and sets to described first by described second equipment For particularly as follows: described second equipment passes through described transformator, and described second analog intermediate frequency signal is coupled to institute State electric lines of force, then sent to described first equipment by described electric lines of force.
7th aspect, embodiments provides another kind of first equipment, comprising: receptor, is used for Receive the first baseband signal that baseband processing unit bbu sends;Upconverter, for by described first Baseband signal is converted to the first analog intermediate frequency signal;Conveyer, for by electric lines of force by described first Frequency analogue signal sends to described second equipment;Wherein, the frequency of described first baseband signal is less than described The frequency of the first analog intermediate frequency signal.
Eighth aspect, embodiments provides another kind of second equipment, comprising: conveyer, is used for The first analog intermediate frequency signal that described first equipment sends is received by electric lines of force;Upconverter, for inciting somebody to action Described first analog intermediate frequency signal is converted to the first high frequency analog signals;Transmitter, for by described first High frequency analog signals send to terminal;Wherein, the frequency of described first high frequency analog signals is higher than described the The frequency of one analog intermediate frequency signal.
In a kind of implementation that the embodiment of the present invention the 7th aspect provides, described conveyer is additionally operable to, The second analog intermediate frequency signal that described second equipment sends is received by described electric lines of force;Described first equipment Also include: low-converter, for described second analog intermediate frequency signal is converted to the second baseband signal;Send out Send device, for sending described second baseband signal to described bbu;Wherein, described second base band letter Number frequency be less than described second analog intermediate frequency signal frequency.
In a kind of implementation that embodiment of the present invention eighth aspect provides, described second equipment also wraps Include: receptor, for receiving the second high frequency analog signals that described terminal sends;Low-converter, is used for Second high frequency analog signals are converted into the second analog intermediate frequency signal;Described conveyer is additionally operable to, by institute State electric lines of force to send described second analog intermediate frequency signal to described first equipment;Wherein, described second is high The frequency of frequency analogue signal is higher than the frequency of described second analog intermediate frequency signal.
In conjunction with above-mentioned implementation, the one kind providing at the embodiment of the present invention the 7th aspect or eighth aspect In implementation, signal intensity at the first equipment for the described bbu is higher than the signal of described second equipment Intensity.Described bbu is used for realizing communicating with described terminal.
In conjunction with above-mentioned implementation, in a kind of implementation that the embodiment of the present invention the 7th aspect provides, Described conveyer includes: transformator, wave filter and electric capacity;Described wave filter, for becoming on described Frequency device is converted to described first baseband signal after the first analog intermediate frequency signal, filters described first intermediate frequency mould Intend the noise signal outside signal;Described transformator, for by described first after described wave filter Frequency analogue signal is coupled to described electric lines of force, then is sent to described second equipment by described electric lines of force;Institute State electric capacity, for being sent to described second equipment by described electric lines of force when described first analog intermediate frequency signal When, power frequency component isolated by described electric lines of force, turns on described first analog intermediate frequency signal.
In conjunction with above-mentioned implementation, in a kind of implementation that the embodiment of the present invention the 7th aspect provides, Described electric capacity is additionally operable to, and sets to described first when described second analog intermediate frequency signal is sent by described electric lines of force When standby, isolate the power frequency component on described electric lines of force, turn on described second analog intermediate frequency signal.Described change Depressor is additionally operable to, the second analog intermediate frequency signal coupling sending described second equipment from described electric lines of force To in described first equipment;Described wave filter is additionally operable to, and filters making an uproar outside described second analog intermediate frequency signal Acoustical signal.
In conjunction with above-mentioned implementation, in a kind of implementation that embodiment of the present invention eighth aspect provides, Described conveyer includes: transformator, wave filter and electric capacity;Described electric capacity, for described first intermediate frequency When analogue signal is sent to described second equipment by described electric lines of force, isolation power frequency letter on described electric lines of force Number, power frequency component isolated by described electric lines of force, turns on described first analog intermediate frequency signal.Described transformation Device, for receiving described first analog intermediate frequency signal sending described first equipment on described electric lines of force It is coupled in described second equipment;Described wave filter, for filtering outside described first analog intermediate frequency signal Noise signal.
In conjunction with above-mentioned implementation, in a kind of implementation that embodiment of the present invention eighth aspect provides, Described wave filter is additionally operable to, and in described low-converter, described second high frequency analog signals is converted in second After frequency analogue signal, filter the noise signal outside described second analog intermediate frequency signal;Described transformator is also used In described electric lines of force being coupled to by described second analog intermediate frequency signal of described wave filter, then pass through Described electric lines of force sends to described first equipment;Described electric capacity is additionally operable to, when described second intermediate frequency simulation letter When number being sent to described first equipment by described electric lines of force, isolate the power frequency component on described electric lines of force, Described second analog intermediate frequency signal is turned on electric lines of force.
9th aspect, the embodiment of the present invention also provides a kind of computer program, may be used to obtain computer Execute the method that above-mentioned first aspect and second aspect and its each implementation provide.
Tenth aspect, the embodiment of the present invention also provides a kind of system, and this system includes the third aspect and its each What the first equipment that kind of implementation provides and fourth aspect and its various implementation provided second sets Standby;Or this system includes the first equipment and the eighth that the 7th aspect and its various implementation provide Face and its second equipment of various implementation offer.
Technical scheme provided in an embodiment of the present invention, by deployed electric lines of force in place, cooperation the One equipment, the improvement of the second device interior dependency structure are so that mobile cellular network indoor coverage of signal obtains Strengthened at low cost with convenient, efficient again.Because electric lines of force signal transmission decay indoors is substantially low Decay in outdoor signal transmission in electric lines of force, in emulation experiment shown signal pass through electric lines of force it Signal to noise ratio afterwards disclosure satisfy that the demand on signal quality of communication, increases with mobile phone signal in prior art meanwhile The coaxial cable that strong device is adopted compares, and it is not exposed to the visible part of user, has therefore both maintained relatively High signal to noise ratio, increased Consumer's Experience again.
Brief description
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be in the embodiment of the present invention The accompanying drawing of required use be briefly described it should be apparent that, drawings described below be only this Some embodiments of invention, for those of ordinary skill in the art, are not paying creative work Under the premise of, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of first equipment provided in an embodiment of the present invention and a kind of structural representation of the second equipment Figure;
Fig. 2 is another kind of first equipment 300 provided in an embodiment of the present invention and another kind of second equipment 400 Structural representation;
The substantially attenuation characteristic figure that Fig. 3 (a) changes with frequency for power line transmission;
Fig. 3 (b) is indoor power line transmission and the transmission of outdoor power line is special with the substantially noise of frequency change Property figure;
Fig. 4 is a kind of flow chart of communication means provided in an embodiment of the present invention;
Fig. 5 is the flow chart of another kind communication means provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out Clearly and completely describe it is clear that described embodiment is a part of embodiment of the present invention, and not It is whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making wound The every other embodiment being obtained on the premise of the property made work, all should belong to the scope of protection of the invention.
Technical scheme, can apply to various communication systems, for example: global system for mobile telecommunications system System (gsm, global system of mobile communication), CDMA (cdma, code Division multiple access) system, WCDMA (wcdma, wideband code Division multiple access wireless), GPRS (general packet radio service) (gprs, general packet Radio service), Long Term Evolution (lte, long term evolution) etc..
Certainly the invention is not restricted to situation enumerated above.
In addition, the base station being previously mentioned in the embodiment of the present invention, for example, in lte system, described base station Can be enodeb or family type enodeb (henb, home enodeb), ap etc.. In umts system, described base station can include node b (node b) and radio network controller (rnc, radio network controller).In gsm system, described base station can include base Station control (bsc, base station controller) and base transceiver station (bts, base transceiver Station) etc..Terminal is properly termed as user equipment (user equipment), mobile station (mobile again Station), subscriber unit (subscriber unit), platform (station) etc..User equipment is specifically permissible For cell phone (cellular phone), personal digital assistant (personal digital assistant, pda), Radio modem (modem), Wireless Telecom Equipment, handheld device (handheld), on knee Computer (laptop computer), wireless phone (cordless phone), WLL (wireless Local loop, wll) platform etc..
The beneficial effect of technical scheme provided in an embodiment of the present invention can be set by the first equipment and second Realize communication via electric lines of force between standby and embody.
Wherein, the first equipment or the second equipment are specifically as follows the equipment such as repeater, and repeater can again It is referred to as repeater.
In addition, the high frequency appeared in the embodiment of the present invention refers to the frequency higher than intermediate frequency.
In practice, the frequency range of intermediate frequency can be in 3.5-250mhz, and the selection of intermediate frequency may rely on In the quality of electric lines of force, noise source, need in other demands such as the destination, the bandwidth that reach at least one Kind;The frequency range of high frequency can be 300mhz-3ghz, even more high.
Fig. 1 is a kind of first equipment 100 provided in an embodiment of the present invention and a kind of knot of the second equipment 200 Structure schematic diagram.
Further, technical scheme provided in an embodiment of the present invention can be used for outdoor base station to indoor shifting Dynamic signal covers uneven scene, that is, there is the preferable region of movable signal covering quality (as balcony) And the region (e.g., study, bedroom) that movable signal covering quality is poor is it is therefore desirable to believe mobile The signal in number preferable region of covering quality introduces the poor region of movable signal covering quality, with enhanced room Interior movable signal covers.And, this technical scheme is mainly used in the transmission of voice signal.
For example, the first equipment 100 is located at the preferable region of movable signal covering quality (as balcony), the Two equipment 200 are located at the poor region (e.g., study, bedroom) of movable signal covering quality.
Between first equipment 100 and the second equipment 200, communication is realized by electric lines of force.As shown in Figure 1:
First equipment 100 includes receptor 110, for receiving the first high frequency analog signals of base station transmission.
First transducer 120, for being converted into the first analog intermediate frequency signal by the first high frequency analog signals.
Conveyer 130, for being sent described first analog intermediate frequency signal to described second by electric lines of force Equipment.
Second equipment 200 includes conveyer 210, sends for receiving the first equipment 100 by electric lines of force The first analog intermediate frequency signal;
3rd transducer 220, for being converted to the 3rd frequency analog letter by described first analog intermediate frequency signal Number.
Transmitter 230, for sending described 3rd high frequency analog signals to terminal.
For downlink:
The receptor 110 of the first equipment 100 receive from outdoor base station send signal, such as first High frequency analog signals, optionally, this first high frequency analog signals can be video signal or voice signal. This first high frequency analog signals is converted to the first intermediate frequency simulation by the first signal indicator 120 of the first equipment 100 Signal, and sent to electric lines of force by conveyer 130;Through the transmission of electric lines of force, another in electric lines of force Side, the second equipment 200 receives the first analog intermediate frequency signal by conveyer 210, and by this in first Frequency analogue signal is sent to the 3rd transducer 220, and the first analog intermediate frequency signal is turned by the 3rd transducer 220 It is changed to the 3rd high frequency analog signals, finally by transmitter 230, the 3rd high frequency analog signals are launched, So that the terminal of interior is received.
Specifically, the first transducer 120 of the first equipment 100 can include low-converter;Second equipment 200 the second transducer 220 can comprise upconverter.
Optionally, low-converter and upconverter specifically can be made up of frequency mixer and amplifier.
Optionally, conveyer 120 and conveyer 210 are made up of transformator, electric capacity and filter circuit, become Depressor, electric capacity and filter circuit may be constructed electric lines of force coupling filter circuit module.
Certainly, technical scheme can be applied not only to above scene, realizes base station to indoor shifting The covering of dynamic cellular signal is additionally it is possible to be applied to other various scenes to realize moving by the transmission of electric lines of force The enhancing that dynamic cellular signal covers, is not limited here.
Optionally, the second equipment 200 also includes receptor 240, for receive that described terminal sends the Four high frequency analog signals.
4th transducer 250, for being converted into the second intermediate frequency simulation letter by described 4th high frequency analog signals Number.
Conveyer 210 is additionally operable to, and is sent described second analog intermediate frequency signal to institute by described electric lines of force State the first equipment 100.
The conveyer 130 of the first equipment 100 is additionally operable to, and receives described second equipment by described electric lines of force The second analog intermediate frequency signal sending.
First equipment 100 also includes, the second transducer 140, for by described second analog intermediate frequency signal Be converted to the second high frequency analog signals.
Transmitter 150, for sending described second high frequency analog signals to described base station.
For up-link:
Second equipment 200 receives, by receptor 240, the signal sending from certain terminal indoor, should Signal can be the 4th high frequency analog signals, and the 4th transducer 250 of the second equipment 200 is by the 4th high frequency Analogue signal is converted to the second analog intermediate frequency signal, and is sent to electric lines of force by transmitter 210;Through The transmission of electric lines of force, in the opposite side of electric lines of force, the first equipment 100 receives second by conveyer 130 Analog intermediate frequency signal, and the second analog intermediate frequency signal is sent to secondary signal transducer 140, the second letter Second analog intermediate frequency signal is converted to the second high frequency analog signals, finally by transmission by number transducer 140 Second high frequency analog signals are launched by device 150, so that the base station of outdoor is received.
Specifically, the second transducer 140 of the first equipment 100 can comprise upconverter, and second 4th transducer 250 of equipment 200 can comprise low-converter.
Optionally, low-converter and upconverter are made up of frequency mixer and amplifier.
Specifically, when the first equipment 100, the system of the second equipment 200 and electric lines of force composition is operated in frequency When dividing under duplexing (fdd, frequency division duplexing) pattern, in the first equipment 100, Transmitter 150 and receptor 110 can form a transceiver, including duplexer and radio frequency amplifier, So that transmission channel and receiving channel can be operated in different radio frequency bands.First transducer 120 and Two transducers 140 can be made up of frequency mixer and amplifier respectively;Up-link and downlink can be with works Make in different intermediate-frequency bands.Conveyer 130 can be made up of transformator, electric capacity and filter circuit, Wherein, during transformator analog intermediate frequency signal can be coupled on electric lines of force it is also possible to incite somebody to action from electric lines of force Frequency analogue signal is coupled to inside the first equipment 100;Capacitor resonance point can select in intermediate-frequency band, right The open-circuit characteristic that assumes power frequency component on electric lines of force plays the effect that isolation power frequency turns on the signal of intermediate frequency;Filter Ripple device is filtered to coherent signal it is ensured that only passing through analog intermediate frequency signal.Corresponding, the second equipment 200 Can also be arranged accordingly using the first equipment 100, here is omitted.
When the system of the first equipment 100 and the second equipment 200 and electric lines of force composition is operated in time division duplex When under (tdd, time division duplexing) pattern, a bit little difference with aforementioned fdd pattern, For example, the duplexer in transmitter 150 and receptor 110 composition transceiver is replaced by transmit-receive switch, passes Send device 130 in addition to being made up of transformator, electric capacity and filter circuit, also need plus transmit-receive switch.Accordingly , the second equipment 200 also can make corresponding change.
In the embodiment of the present invention, involved electric lines of force can be at least one of phase line, live wire and zero line.
Technical scheme provided in an embodiment of the present invention, by deployed electric lines of force in place, cooperation the One equipment, the improvement of the second device interior dependency structure are so that mobile cellular network indoor coverage of signal obtains Strengthened at low cost with convenient, efficient again.Because electric lines of force signal transmission decay indoors is substantially low Decay in outdoor signal transmission in electric lines of force, in emulation experiment shown signal pass through electric lines of force it Signal to noise ratio afterwards disclosure satisfy that the demand on signal quality of communication, increases with mobile phone signal in prior art meanwhile The coaxial cable that strong device is adopted compares, and it is not exposed to the visible part of user, has therefore both maintained relatively High signal to noise ratio, increased Consumer's Experience again.Meanwhile, this technical scheme is applied to fdd or tdd System, is easy to apply.
Fig. 2 is another kind of first equipment 300 provided in an embodiment of the present invention and another kind of second equipment 400 Structural representation.
Technical scheme provided in an embodiment of the present invention can be used for the building that there is the shelters such as wall, floor Inside thing, with efficiently transmission data.
Optionally, the first equipment 300 and baseband processing unit (bbu, base band unit) are connected, And there is not the shelters such as wall, floor between the two, the second equipment 400 and the first equipment 300 with And between bbu, there is the shelters such as wall, floor.That is, letter at the second equipment 400 for the bbu Number covering will be less than the first equipment 300.
Between first equipment 300 and the second equipment 400, signal transmission is carried out by electric lines of force.As Fig. 2 institute Show, the first equipment 300 includes:
Receptor 310, for receiving the first baseband signal of baseband processor bbu transmission.
Upconverter 320, for being converted to the first analog intermediate frequency signal by the first baseband signal;
Conveyer 330, for being sent described first analog intermediate frequency signal to described second by electric lines of force Equipment 400.
Second equipment 400 includes:
Conveyer 410, for receiving, by electric lines of force, the first intermediate frequency mould that described first equipment 300 sends Intend signal.
Upconverter 420, for being converted to the first high frequency analog signals by described first analog intermediate frequency signal.
Transmitter 430, for sending described first high frequency analog signals to terminal.
For downlink:
First equipment 300 can directly receive, by receptor 310, the first base coming from bbu transmission Band signal, you can to regard that network side needs to be transferred to the data of terminal as, for example, it may be video letter Number.First baseband signal is converted to the first analog intermediate frequency signal by the upconverter 320 of the first equipment 300, And sent to electric lines of force by conveyer 330;Through the transmission of electric lines of force, in the opposite side of electric lines of force, First analog intermediate frequency signal is received by the second equipment 400 by conveyer 410, and is sent to change First analog intermediate frequency signal is converted to the first high frequency analog signals by frequency device 420, finally by transmitter First high frequency analog signals are launched by 430, so that indoor or outdoor terminal is received.
Optionally, upconverter 310 and upconverter 420 are made up of frequency mixer and amplifier.
Optionally, conveyer 320 and conveyer 410 are made up of transformator, electric capacity and filter circuit, become Depressor, electric capacity and filter circuit may be constructed electric lines of force coupling filter circuit module.
Optionally, the second equipment 400 also includes:
Receptor 440, for receiving the second high frequency analog signals that described user equipment sends
Low-converter 450, for being converted into the second analog intermediate frequency signal by the second high frequency analog signals.
Conveyer 410 is additionally operable to, and is sent described second analog intermediate frequency signal to institute by described electric lines of force State the first equipment 300.
The conveyer 330 of the first equipment 300 is additionally operable to, and receives described second equipment by described electric lines of force Second analog intermediate frequency signal of 400 transmissions;
First equipment 300 also includes:
Low-converter 340, for being converted to second by described second analog intermediate frequency signal by low-converter Baseband signal.
Transmitter 350, for sending described second baseband signal to described bbu.
For up-link:
Second equipment 400 passes through receptor 440 and receives the letter sending from certain terminal indoor or outdoor Number, for example, mobile phone wants to be uploaded to the data of network, just can be by described data is activation to the second equipment 400.This signal is the second high frequency analog signals, and the low-converter 450 of the second equipment 400 is high by second Frequency analogue signal is converted to the second analog intermediate frequency signal, and is sent to electric lines of force by conveyer 410;Warp Cross the transmission of electric lines of force, in the opposite side of electric lines of force, the first equipment 300 passes through conveyer 330 by second Analog intermediate frequency signal receives, and is sent to low-converter 340 and is converted to the second analog intermediate frequency signal Second baseband signal, then bbu is sent to by transmitter 350.
Optionally, low-converter 340 and low-converter 450 are made up of frequency mixer and amplifier.
Certainly, technical scheme and not only limit be applied to and above-mentioned there is the shelters such as wall, floor Interior of building, can be applicable to all need enhancing signal cover scene, the technology of the present invention side The scene that case is pointed out is only used as a citing, is not the restriction to technical solution of the present invention.
Technical scheme provided in an embodiment of the present invention can be applied equally to fdd pattern or tdd mould Formula, the refinement of the first equipment 300 concrete structure may refer in Fig. 1 embodiment to be operated in fdd or The related statement of the first equipment 100 under person's tdd pattern, the refinement of the second equipment 400 concrete structure May refer to the phase to the second equipment 200 being operated under fdd or tdd pattern in Fig. 1 embodiment Close statement, will not be described here.
In the embodiment of the present invention, involved electric lines of force can be at least one of phase line, live wire and zero line.
Technical scheme provided in an embodiment of the present invention, by deployed electric lines of force in place, cooperation the One equipment, the improvement of the second device interior dependency structure are so that mobile cellular network indoor coverage of signal obtains Strengthened at low cost with convenient, efficient again, both maintained higher signal to noise ratio, increased Consumer's Experience again. Meanwhile, this technical scheme is simultaneously suitable for fdd or tdd system, is easy to apply.
Another embodiment of the present invention presented below is to prove the feasibility of technical solution of the present invention:
Fig. 3 (a) shows the substantially attenuation characteristic that power line transmission changes with frequency, and Fig. 3 (b) shows Show that indoor power line transmission and the transmission of outdoor power line, with the substantially noise characteristic of frequency change, thus may be used Know, in the range of 100mhz, indoor attenuation is 25db, and in the range of 50mhz, indoor power line passes Defeated noise is about -125dbm/hz.
With an input power as 10dbm, as a example optimum wideband is the lte carrier wave of 20mhz:
Make an uproar bottom for -125dbm/hz+10*log (20*10^6)=- 52dbm;
Indoor power line attenuation: 25db;
The then main signal intensity after electric lines of force: 10dbm-25db=-15dbm;
The then signal to noise ratio after electric lines of force: -15- (- 52)=37db.
Therefore, it is feasible for transmitting the signal in up-link or downlink using indoor power line.
Fig. 4 is a kind of flow chart of communication means provided in an embodiment of the present invention.The method can be passed through upper State the first equipment described in any embodiment and the second equipment is realized.The method includes:
S401, the first equipment receive the first high frequency analog signals that base station sends.
First high frequency analog signals are converted into the first analog intermediate frequency signal by s402, the first equipment.
S403, the first equipment are sent the first analog intermediate frequency signal to the second equipment by electric lines of force.
S404, the second equipment receive, by electric lines of force, the first analog intermediate frequency signal that the first equipment sends.
First analog intermediate frequency signal is converted into the 3rd high frequency analog signals by s405, the second equipment.
S406, the second equipment send described 3rd high frequency analog signals to user equipment.
The application scenarios of the method are identical with the application scenarios of the technical scheme of Fig. 1 inventive embodiments, i.e. room Outer base station covers uneven scene to indoor movable signal, and is directed to downlink.
First equipment receives the signal sending from outdoor base station, namely the first high frequency analog signals, example If, this first high frequency analog signals can be video signal or voice signal object transmission to indoor terminal Receive for user.This first high frequency analog signals is converted to the first analog intermediate frequency signal by the first equipment, sends out Deliver to electric lines of force;Through the transmission of electric lines of force, in the opposite side of electric lines of force, the second equipment is by the first intermediate frequency Analogue signal receives, and the first analog intermediate frequency signal is converted to the 3rd high frequency analog signals, finally sends out It is shot out, so that the terminal of interior carries out the reception of signal.
Optionally, the first high frequency analog signals can be converted in first by the first equipment by low-converter Frequency analogue signal;First analog intermediate frequency signal can be converted into the 3rd by upconverter by the second equipment High frequency analog signals.
Optionally, above-mentioned mentioned low-converter and upconverter are specifically by frequency mixer and amplifier group Become.
Optionally, in s403, the first equipment can with by transformator by the first analog intermediate frequency signal Coupled to the mode of described electric lines of force, the first analog intermediate frequency signal is carried to electric lines of force and is transmitted, and And in order to filter issuable noise signal in signal conversion process, the first equipment can also be using filtering Device filters the noise signal outside the first intermediate-freuqncy signal.Isolate power frequency component of course on electric lines of force, lead Logical needs transmit to the first analog intermediate frequency signal of the second equipment, and the first equipment can also adopt electric capacity, will Its resonance point selection is in the intermediate-frequency band corresponding with the first analog intermediate frequency signal.
Optionally, in s404, the second equipment can will be described from described electric lines of force by transformator The mode that described first analog intermediate frequency signal that first equipment sends is coupled in described second equipment receives Receive the first analog intermediate frequency signal that the first equipment sends, and the second equipment can be filtered using wave filter and connect Noise signal in addition to the first intermediate-freuqncy signal in the signal receiving.For isolation power frequency letter on electric lines of force Number, conducting needs to transmit to the first analog intermediate frequency signal of the second equipment, and the second equipment can also be using electricity Hold, by its resonance point selection in the corresponding intermediate-frequency band of the first analog intermediate frequency signal.
Optionally, the method also includes:
S407, the second equipment receive the 4th high frequency analog signals that described user equipment sends.
4th high frequency analog signals are converted into the second analog intermediate frequency signal by s408, the second equipment.
S409, the second equipment are sent the second analog intermediate frequency signal to the first equipment by electric lines of force.
S410, the first equipment receive, by electric lines of force, the second analog intermediate frequency signal that the second equipment sends.
Second analog intermediate frequency signal is converted to the second high frequency analog signals by s411, the first equipment.
S412, the first equipment send the second high frequency analog signals to described base station.
For up-link, the second equipment receives the signal sending from certain terminal indoor, this signal Can be the 4th high frequency analog signals, the 4th high frequency analog signals are converted to the second intermediate frequency mould by the second equipment Intend signal, and send to electric lines of force;Through the transmission of electric lines of force, in the opposite side of electric lines of force, first sets For receiving the second analog intermediate frequency signal, the second analog intermediate frequency signal is converted to the second frequency analog Signal, finally launches, so that the base station of outdoor is received.
Optionally, the 4th high frequency analog signals can be converted in second by the second equipment by low-converter Frequency analogue signal;Second analog intermediate frequency signal can be converted into the secondth by upconverter by the first equipment High frequency analog signals.
Optionally, above-mentioned mentioned low-converter and upconverter are specifically by frequency mixer and amplifier group Become.
Optionally, in s409, the second equipment can with by transformator by the second analog intermediate frequency signal Coupled to the mode of described electric lines of force, the second analog intermediate frequency signal is carried to electric lines of force and is transmitted, and And optional wave filter can also be used to filter outside the second analog intermediate frequency signal in the second equipment in s404 Noise.Similarly, in s404, optional electric capacity can be with selective resonance in the second analog intermediate frequency signal phase Corresponding intermediate-frequency band.
Optionally, in s410, the first equipment can by transformator from described electric lines of force by described the The mode that described second analog intermediate frequency signal that two equipment send is coupled in described first equipment receives Receive the second analog intermediate frequency signal that the second equipment sends, and optional wave filter in the first equipment in s403 The noise signal in addition to the second intermediate-freuqncy signal in the signal receiving can also be filtered.Similarly, s403 In optional electric capacity can be with selective resonance in the corresponding intermediate-frequency band of the second analog intermediate frequency signal.
In the embodiment of the present invention, involved electric lines of force can be at least one of phase line, live wire and zero line.
Technical scheme provided in an embodiment of the present invention, by deployed electric lines of force in place, by outdoor The signal of signal or signal covering strength is introduced signal by way of wire transmission and covers weak position Go out so that mobile cellular network indoor coverage of signal is able to convenience, efficient and low one-tenth in wireless transmit afterwards Local enhancing, compared with the mode of existing coaxial line transmission, had both maintained higher signal to noise ratio, increased again Consumer's Experience.
Fig. 5 is the flow chart of another kind communication means provided in an embodiment of the present invention, the execution master of the method Body is the first equipment 300 shown in Fig. 2 and the second equipment 400.The method includes:
S501, the first equipment receive the first baseband signal that baseband processing unit bbu sends.
First baseband signal is converted to the first intermediate frequency simulation letter by upconverter by s502, the first equipment Number.
Described first analog intermediate frequency signal is sent by electric lines of force and sets to described second by s503, the first equipment Standby.
S504, the second equipment receive, by electric lines of force, the first intermediate frequency simulation letter that described first equipment sends Number.
First analog intermediate frequency signal is converted to the first frequency analog by upconverter by s505, the second equipment Signal.
S506, the second equipment send the first high frequency analog signals to user equipment.
The application scenarios of the method are identical with the application scenarios of the technical scheme of Fig. 2 inventive embodiments, permissible For there is the interior of building of the shelters such as wall, floor, and it is directed to downlink.
First equipment can directly receive the first baseband signal come from bbu transmission, you can to regard as It is the data that network side needs to be transferred to terminal, for example, it may be video signal.First equipment is by first Baseband signal is converted to the first analog intermediate frequency signal by upconverter, and sends to electric lines of force;Through electricity The transmission of the line of force, in the opposite side of electric lines of force, the first analog intermediate frequency signal is received by the second equipment, And the first analog intermediate frequency signal is converted to the first high frequency analog signals by upconverter, finally launch Go, so that indoor or outdoor user equipment is received.
Optionally, above-mentioned mentioned low-converter and upconverter are specifically by frequency mixer and amplifier group Become.
Optionally, in s503, the first equipment can with by transformator by the first analog intermediate frequency signal Coupled to the mode of described electric lines of force, the first analog intermediate frequency signal is carried to electric lines of force and is transmitted, and And in order to filter issuable noise signal in up-conversion process, the first equipment can also adopt wave filter Filter the noise signal outside the first intermediate-freuqncy signal.Isolate power frequency component of course on electric lines of force, turn on Need to transmit to the first analog intermediate frequency signal of the second equipment, the first equipment can also adopt electric capacity, by it Resonance point selection is the corresponding intermediate-frequency band of the first analog intermediate frequency signal.
Optionally, in s504, the second equipment can will be described from described electric lines of force by transformator The mode that described first analog intermediate frequency signal that first equipment sends is coupled in described second equipment receives Receive the first analog intermediate frequency signal that the first equipment sends, and the second equipment can be filtered using wave filter and connect Noise signal in addition to the first intermediate-freuqncy signal in the signal receiving.For isolation power frequency letter on electric lines of force Number, conducting needs to transmit to the first analog intermediate frequency signal of the second equipment, and the second equipment can also be using electricity Hold, by its resonance point selection in the corresponding intermediate-frequency band of the first analog intermediate frequency signal.
Optionally, the method also includes:
S507, the second equipment receive the second high frequency analog signals that described user equipment sends.
Second high frequency analog signals are converted into the second intermediate frequency simulation by low-converter by s508, the second equipment Signal.
S509, the second equipment are sent described second analog intermediate frequency signal to described by described electric lines of force One equipment.
S510, the first equipment pass through described electric lines of force and receive the second intermediate frequency simulation that described second equipment sends Signal.
Described second analog intermediate frequency signal is converted to the second base band by low-converter by s511, the first equipment Signal
S512, the first equipment send described second baseband signal to described bbu.
For up-link, the second equipment receives the signal sending from certain terminal indoor or outdoor, For example, mobile phone wants to be uploaded to the data of network, just can be by described data is activation to the second equipment.Should Signal is the second high frequency analog signals, and the second high frequency analog signals are changed by the second equipment by low-converter For the second analog intermediate frequency signal, and send to electric lines of force;Through the transmission of electric lines of force, another in electric lines of force Side, the second analog intermediate frequency signal is received by the first equipment, and the second analog intermediate frequency signal is passed through Low-converter is converted to the second baseband signal, then sends bbu to by transmitting element 350.
Optionally, the above-mentioned low-converter referring to is made up of frequency mixer and amplifier.
Optionally, in s509, the second equipment can with by transformator by the second analog intermediate frequency signal Coupled to the mode of described electric lines of force, the second analog intermediate frequency signal is carried to electric lines of force and is transmitted, and And optional wave filter can also be used to filter outside the second analog intermediate frequency signal in the second equipment in s504 Noise.Similarly, in s504, optional electric capacity can be with selective resonance in the second analog intermediate frequency signal phase Corresponding intermediate-frequency band.
Optionally, in s510, the first equipment can by transformator from described electric lines of force by described the The mode that described second analog intermediate frequency signal that two equipment send is coupled in described first equipment receives Receive the second analog intermediate frequency signal that the second equipment sends, and optional wave filter in the first equipment in s503 The noise signal in addition to the second intermediate-freuqncy signal in the signal receiving can also be filtered.Similarly, s503 In optional electric capacity can be with selective resonance in the corresponding intermediate-frequency band of the second analog intermediate frequency signal.
In the embodiment of the present invention, involved electric lines of force can be at least one of phase line, live wire and zero line.
Technical scheme provided in an embodiment of the present invention, by deployed electric lines of force in place, by interior The signal that signal covers strength is introduced signal by way of wire transmission and covers behind weak position wireless Launch so that mobile cellular network indoor coverage of signal is able to convenience, efficiently strengthens at low cost again, Compared with the mode of existing coaxial line transmission, both maintained higher signal to noise ratio, increased Consumer's Experience again.
One of ordinary skill in the art will appreciate that and realizing the whole flow processs in the various embodiments described above.It is all Can be realized by the related hardware of computer program instructions cooperation.
In scheme provided in an embodiment of the present invention, described " first " " second " " the 3rd " " 4th " etc. only Represent and distinguish different objects, such as different signal, different effector, and itself does not have essence The restriction of property.
In various embodiments above, the restriction of application scenarios etc. is only in order to illustrate the concrete technical scheme of the present invention, Rather than be limited.Namely it can repair to the technical scheme described in foregoing embodiments Change, or equivalent is carried out to technical characteristic therein, and these modifications and replacement, have no effect on it Fall into protection scope of the present invention.

Claims (48)

1. a kind of communication means is it is characterised in that methods described includes:
First equipment receives the first high frequency analog signals that base station sends;
Described first high frequency analog signals are converted into the first analog intermediate frequency signal by described first equipment;
Described first equipment is sent described first analog intermediate frequency signal to the second equipment by electric lines of force;
Wherein, the frequency of described first high frequency analog signals is higher than the frequency of described first analog intermediate frequency signal Rate.
2. the method for claim 1 is it is characterised in that methods described also includes:
Described first equipment passes through described electric lines of force and receives the second intermediate frequency simulation that described second equipment sends Signal;
Described second analog intermediate frequency signal is converted to the second high frequency analog signals by described first equipment;
Described first equipment sends described second high frequency analog signals to described base station;
Wherein, the frequency of described second high frequency analog signals is higher than described second analog intermediate frequency signal.
3. method as described in claim 1 or 2 is it is characterised in that described base station sets first The signal intensity at standby place is higher than signal intensity at the second equipment for the described base station.
4. method as claimed in claim 3 is it is characterised in that described first equipment is by described first High frequency analog signals be converted into the first analog intermediate frequency signal particularly as follows:
Described first high frequency analog signals are converted into the first intermediate frequency by low-converter by described first equipment Analogue signal.
5. described claim as arbitrary in claim 4 will be it is characterised in that described first equipment will Described second analog intermediate frequency signal be converted to the second high frequency analog signals particularly as follows:
Described second analog intermediate frequency signal is converted to the second high frequency by upconverter by described first equipment Analogue signal.
6. method as described in claim 1 or 2 is it is characterised in that described first equipment passes through Electric lines of force described first analog intermediate frequency signal is sent to described second equipment particularly as follows:
Described first analog intermediate frequency signal is coupled to described electric lines of force by transformator by described first equipment, Sent to described second equipment by described electric lines of force again.
7. method as claimed in claim 6 is it is characterised in that described first equipment passes through described electricity The line of force receive described second equipment send the second analog intermediate frequency signal particularly as follows:
Described first equipment passes through described transformator, from described electric lines of force, described second equipment is passed through institute Described second analog intermediate frequency signal stating electric lines of force transmission is coupled in described first equipment.
8. a kind of first equipment is it is characterised in that described first equipment includes:
Receptor, for receiving the first high frequency analog signals of base station transmission;
First transducer, for being converted into the first analog intermediate frequency signal by the first high frequency analog signals;
Conveyer, is set to described second for being sent described first analog intermediate frequency signal by electric lines of force Standby;
Wherein, the frequency of described first high frequency analog signals is higher than the frequency of described first analog intermediate frequency signal Rate.
9. the first equipment as claimed in claim 8 it is characterised in that
Described conveyer is additionally operable to, and receives, by described electric lines of force, the second intermediate frequency that described second equipment sends Analogue signal;
Described first equipment also includes the second transducer, for being converted to described second analog intermediate frequency signal Second high frequency analog signals;
Transmitter, for sending described second high frequency analog signals to described base station;
Wherein, the frequency of described second high frequency analog signals is higher than the frequency of described second analog intermediate frequency signal Rate.
10. the first equipment as described in claim 8 or 9 is it is characterised in that described base station is Signal intensity at one equipment is higher than signal intensity at the second equipment for the described base station.
11. first equipment as claimed in claim 10 are it is characterised in that described first transducer bag Include low-converter, specifically for being converted in first described first high frequency analog signals by low-converter Frequency analogue signal.
12. first equipment as claimed in claim 11 are it is characterised in that described second transducer bag Include upconverter, high specifically for described second analog intermediate frequency signal is converted to second by upconverter Frequency analogue signal.
13. the first equipment as described in claim 8 or 9 are it is characterised in that described conveyer bag Include: transformator, wave filter and electric capacity;
Described wave filter, for the first high frequency analog signals being converted in first in described first transducer After frequency analogue signal, filter the noise signal outside described first analog intermediate frequency signal;
Described transformator, for being coupled to described first analog intermediate frequency signal after described wave filter Described electric lines of force, then sent to described second equipment by described electric lines of force;
Described electric capacity, for being sent to described second by described electric lines of force when described first analog intermediate frequency signal During equipment, isolate the power frequency component on described electric lines of force, turn on described first analog intermediate frequency signal.
14. first equipment as claimed in claim 13 it is characterised in that
Described electric capacity is additionally operable to, when described second analog intermediate frequency signal is sent to described by described electric lines of force During one equipment, isolate the power frequency component on described electric lines of force, turn on described second analog intermediate frequency signal.
Described transformator is additionally operable to, and sends out described second equipment by described electric lines of force from described electric lines of force Described second analog intermediate frequency signal sending is coupled in described first equipment;
Described wave filter is additionally operable to, and filters the noise signal outside described second analog intermediate frequency signal.
A kind of 15. communication means are it is characterised in that methods described includes:
Second equipment receives, by electric lines of force, the first analog intermediate frequency signal that the first equipment sends;
Described first analog intermediate frequency signal is converted into the 3rd high frequency analog signals by described second equipment;
Described second equipment sends described 3rd high frequency analog signals to terminal;
Wherein, the frequency of described 3rd high frequency analog signals is higher than the frequency of described first analog intermediate frequency signal Rate.
16. methods as claimed in claim 15 are it is characterised in that methods described also includes:
Described second equipment receives the 4th high frequency analog signals that described terminal sends;
Described 4th high frequency analog signals are converted into the second analog intermediate frequency signal by described second equipment;
Described second equipment is sent described second analog intermediate frequency signal to described by described electric lines of force One equipment;
Wherein, the frequency of described 4th high frequency analog signals is higher than the frequency of described second analog intermediate frequency signal Rate.
17. methods as described in claim 15 or 16 are it is characterised in that base station is in the second equipment The signal intensity at place is less than signal intensity at the first equipment for the described base station;Wherein said base station be used for Described terminal realizes communication.
18. methods as claimed in claim 17 are it is characterised in that described second equipment is by described One analog intermediate frequency signal be converted into the 3rd high frequency analog signals particularly as follows:
Described first analog intermediate frequency signal is converted into the 3rd high frequency by upconverter by described second equipment Analogue signal.
19. claim as claimed in claim 18 are it is characterised in that described second equipment is by institute State the 4th high frequency analog signals be converted into the second analog intermediate frequency signal particularly as follows:
Described 4th high frequency analog signals are converted into the second intermediate frequency by low-converter by described second equipment Analogue signal.
20. methods as described in claim 15 or 16 are it is characterised in that described second equipment leads to Cross electric lines of force receive described first equipment send the first analog intermediate frequency signal particularly as follows:
Described second equipment passes through transformator from described electric lines of force by described in described first equipment transmission First analog intermediate frequency signal is coupled in described second equipment.
21. methods as claimed in claim 20 are it is characterised in that described second equipment is by described Electric lines of force described second analog intermediate frequency signal is sent to described first equipment particularly as follows:
Described second equipment passes through described transformator and described second analog intermediate frequency signal is coupled to described electricity The line of force, then sent to described first equipment by described electric lines of force.
A kind of 22. second equipment are it is characterised in that described second equipment includes:
Conveyer, for receiving, by described electric lines of force, the first intermediate frequency simulation letter that described first equipment sends Number;
3rd transducer, for being converted into the 3rd high frequency analog signals by described first analog intermediate frequency signal;
Transmitter, for sending described 3rd high frequency analog signals to terminal;
Wherein, the frequency of described 3rd high frequency analog signals is higher than the frequency of described first analog intermediate frequency signal Rate.
23. second equipment as claimed in claim 22 are it is characterised in that described second equipment also wraps Include:
Receptor, for receiving the 4th high frequency analog signals that described terminal sends;
4th transducer, for being converted into the second analog intermediate frequency signal by the 4th high frequency analog signals;
Described conveyer is additionally operable to, and is sent described second analog intermediate frequency signal to institute by described electric lines of force State the first equipment;
Wherein, the frequency of described 4th high frequency analog signals is higher than the frequency of described second analog intermediate frequency signal Rate.
24. the second equipment as described in claim 22 or 23 are it is characterised in that base station sets second The signal intensity at standby place is less than signal intensity at the first equipment for the described base station;Wherein, described base station is used In with described terminal realize communicate.
25. second equipment as claimed in claim 24 are it is characterised in that described 3rd transducer bag Include upconverter, specifically for described first analog intermediate frequency signal is converted into three-hypers by upconverter Frequency analogue signal.
26. second equipment as claimed in claim 25 are it is characterised in that described 4th transducer bag Include low-converter, specifically for being converted in second described 4th high frequency analog signals by low-converter Frequency analogue signal.
27. the second equipment as described in claim 22 or 23 are it is characterised in that described conveyer Including: transformator, wave filter and electric capacity;
Described electric capacity, for being sent to described second by described electric lines of force when described first analog intermediate frequency signal During equipment, power frequency component isolated by described electric lines of force, turn on described first analog intermediate frequency signal.
Described transformator, for described first intermediate frequency sending described first equipment on described electric lines of force Analogue signal is coupled in described second equipment;
Described wave filter, for filtering the noise signal outside described first analog intermediate frequency signal.
28. second equipment as claimed in claim 27 it is characterised in that
Described wave filter is additionally operable to, and in described 4th transducer, the 4th high frequency analog signals is converted into second After analog intermediate frequency signal, filter the noise signal outside described second analog intermediate frequency signal;
Described transformator is additionally operable to, and will be coupled to by described second analog intermediate frequency signal of described wave filter Described electric lines of force, then by described power line transmission to described first equipment;
Described electric capacity is additionally operable to, when described second analog intermediate frequency signal is sent to described by described electric lines of force During one equipment, isolate the power frequency component on described electric lines of force, described second intermediate frequency mould is turned on electric lines of force Intend signal.
A kind of 29. communication means are it is characterised in that methods described includes:
First equipment receives the first baseband signal that baseband processing unit bbu sends;
Described first baseband signal is converted to the first intermediate frequency simulation by upconverter by described first equipment Signal;
Described first analog intermediate frequency signal is sent by electric lines of force and sets to described second by described first equipment Standby;
Wherein, the frequency of described first baseband signal is less than the frequency of described first analog intermediate frequency signal.
30. methods as claimed in claim 29 are it is characterised in that methods described also includes:
Described first equipment passes through described electric lines of force and receives the second intermediate frequency simulation that described second equipment sends Signal;
Described second analog intermediate frequency signal is converted to the second base band by low-converter by described first equipment Signal;
Described first equipment sends described second baseband signal to described bbu;
Wherein, the frequency of described second baseband signal is less than the frequency of described second analog intermediate frequency signal.
31. methods as described in claim 29 or 30 are it is characterised in that described bbu is Signal intensity at one equipment is higher than signal intensity at the second equipment for the described bbu.
32. methods as claimed in claim 31 are it is characterised in that described first equipment passes through electric power Line described first analog intermediate frequency signal is sent to described second equipment particularly as follows:
Described first analog intermediate frequency signal is coupled to described electric lines of force by transformator by described first equipment, Sent to described second equipment by described electric lines of force again.
33. methods as claimed in claim 32 are it is characterised in that described first equipment is by described Electric lines of force receive described second equipment send the second analog intermediate frequency signal particularly as follows:
Described first equipment passes through what described second equipment was sent from described electric lines of force by described transformator Second analog intermediate frequency signal is coupled in described first equipment.
A kind of 34. first equipment are it is characterised in that described first equipment includes:
Receptor, for receiving the first baseband signal of baseband processing unit bbu transmission;
Upconverter, for being converted to the first analog intermediate frequency signal by described first baseband signal;
Conveyer, is set to described second for being sent described first analog intermediate frequency signal by electric lines of force Standby;
Wherein, the frequency of described first baseband signal is less than the frequency of described first analog intermediate frequency signal.
35. first equipment as claimed in claim 34 it is characterised in that
Described conveyer is additionally operable to, and receives, by described electric lines of force, the second intermediate frequency that described second equipment sends Analogue signal;
Described first equipment also includes:
Low-converter, for being converted to the second baseband signal by described second analog intermediate frequency signal;
Transmitter, for sending described second baseband signal to described bbu;
Wherein, the frequency of described second baseband signal is less than the frequency of described second analog intermediate frequency signal.
36. the first equipment as described in claim 34 or 35 are it is characterised in that described bbu Signal intensity at the first equipment is higher than the signal intensity of described second equipment.
37. first equipment as claimed in claim 36 are it is characterised in that described conveyer includes: Transformator, wave filter and electric capacity;
Described wave filter, for being converted to the first intermediate frequency in described upconverter by described first baseband signal After analogue signal, filter the noise signal outside described first analog intermediate frequency signal;
Described transformator, for being coupled to described first analog intermediate frequency signal after described wave filter Described electric lines of force, then sent to described second equipment by described electric lines of force;
Described electric capacity, for being sent to described second by described electric lines of force when described first analog intermediate frequency signal During equipment, power frequency component isolated by described electric lines of force, turn on described first analog intermediate frequency signal.
38. first equipment as claimed in claim 37 it is characterised in that
Described electric capacity is additionally operable to, when described second analog intermediate frequency signal is sent to described by described electric lines of force During one equipment, isolate the power frequency component on described electric lines of force, turn on described second analog intermediate frequency signal.
Described transformator is additionally operable to, the second intermediate frequency mould sending described second equipment from described electric lines of force Intend signal to be coupled in described first equipment;
Described wave filter is additionally operable to, and filters the noise signal outside described second analog intermediate frequency signal.
A kind of 39. communication means are it is characterised in that methods described includes:
Second equipment receives, by electric lines of force, the first analog intermediate frequency signal that described first equipment sends;
Described first analog intermediate frequency signal is converted to the first high frequency by upconverter by described second equipment Analogue signal;
Described second equipment sends described first high frequency analog signals to terminal;
Wherein, the frequency of described first high frequency analog signals is higher than the frequency of described first analog intermediate frequency signal Rate.
40. methods as claimed in claim 39 are it is characterised in that methods described also includes:
Described second equipment receives the second high frequency analog signals that described terminal sends;
Described second high frequency analog signals are converted into the second intermediate frequency by low-converter by described second equipment Analogue signal;
Described second equipment is sent described second analog intermediate frequency signal to described by described electric lines of force One equipment;
Wherein, the frequency of described second high frequency analog signals is higher than the frequency of described second analog intermediate frequency signal Rate.
41. methods as described in claim 39 or 40 are it is characterised in that bbu sets second The signal intensity at standby place is less than signal intensity at described first equipment for the bbu;Wherein, described bbu For realizing communicating with described terminal.
42. methods as claimed in claim 41 are it is characterised in that described second equipment passes through electric power Line receive described first equipment send the first analog intermediate frequency signal particularly as follows:
Described second equipment is received described first equipment transmission by transformator from described electric lines of force Described first analog intermediate frequency signal is coupled in described second equipment.
43. methods as claimed in claim 42 are it is characterised in that described second equipment is by described Electric lines of force described second analog intermediate frequency signal is sent to described first equipment particularly as follows:
Described second equipment passes through described transformator and described second analog intermediate frequency signal is coupled to described electricity The line of force, then sent to described first equipment by described electric lines of force.
A kind of 44. second equipment are it is characterised in that described second equipment includes:
Conveyer, for receiving, by electric lines of force, the first analog intermediate frequency signal that described first equipment sends;
Upconverter, for being converted to the first high frequency analog signals by described first analog intermediate frequency signal;
Transmitter, for sending described first high frequency analog signals to terminal;
Wherein, the frequency of described first high frequency analog signals is higher than the frequency of described first analog intermediate frequency signal Rate.
45. second equipment as claimed in claim 44 are it is characterised in that described second equipment also wraps Include:
Receptor, for receiving the second high frequency analog signals that described terminal sends;
Low-converter, for being converted into the second analog intermediate frequency signal by the second high frequency analog signals;
Described conveyer is additionally operable to, and is sent described second analog intermediate frequency signal to institute by described electric lines of force State the first equipment;
Wherein, the frequency of described second high frequency analog signals is higher than the frequency of described second analog intermediate frequency signal Rate.
46. the second equipment as described in claim 44 or 45 are it is characterised in that bbu is Signal intensity at two equipment is less than signal intensity residing in the first equipment for the described bbu;Wherein, institute State bbu for realizing communicating with described terminal.
47. second equipment as claimed in claim 46 are it is characterised in that described conveyer includes: Transformator, wave filter and electric capacity;
Described electric capacity, is sent by described electric lines of force for described first analog intermediate frequency signal and sets to described second When standby, power frequency component isolated by described electric lines of force, power frequency component, conducting are isolated on described electric lines of force Described first analog intermediate frequency signal.
Described transformator, for receiving send described first equipment described first on described electric lines of force Analog intermediate frequency signal is coupled in described second equipment;
Described wave filter, for filtering the noise signal outside described first analog intermediate frequency signal.
48. second equipment as claimed in claim 47 it is characterised in that
Described wave filter is additionally operable to, and in described low-converter, described second high frequency analog signals is converted into After two analog intermediate frequency signals, filter the noise signal outside described second analog intermediate frequency signal;
Described transformator is additionally operable to, and will be coupled to by described second analog intermediate frequency signal of described wave filter Described electric lines of force, then sent to described first equipment by described electric lines of force;
Described electric capacity is additionally operable to, when described second analog intermediate frequency signal is sent to described by described electric lines of force During one equipment, isolate the power frequency component on described electric lines of force, described second intermediate frequency mould is turned on electric lines of force Intend signal.
CN201510395338.6A 2015-07-07 2015-07-07 Communication method and equipment Pending CN106341162A (en)

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CN201510395338.6A CN106341162A (en) 2015-07-07 2015-07-07 Communication method and equipment
PCT/CN2016/087313 WO2017005109A1 (en) 2015-07-07 2016-06-27 Communication method and device

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