CN107623544A - A kind of intelligent straight placement station and the communication means based on intelligent straight placement station - Google Patents
A kind of intelligent straight placement station and the communication means based on intelligent straight placement station Download PDFInfo
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- CN107623544A CN107623544A CN201710624090.5A CN201710624090A CN107623544A CN 107623544 A CN107623544 A CN 107623544A CN 201710624090 A CN201710624090 A CN 201710624090A CN 107623544 A CN107623544 A CN 107623544A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The present invention is applied to moving communicating field, there is provided a kind of intelligent straight placement station and the communication means based on intelligent straight placement station, repeater include：N × N formula MIMO external antennas, RF coupler, control circuit, N roads directly discharge road and antenna is inscribed in N × N formulas MIMO；Control circuit, for according to can the preset rule of customization detect in real time and filter out the optimal LTE channel bands in the downstream signal being coupled into, and gain amplifier is adjusted according to the signal intensity size dynamic of optimal LTE channel bands, and road of directly discharging N roads in real time sends control instruction；N directly discharges on road road, for filtering out the signal in downstream signal and upward signal in addition to the signal of optimal LTE channel bands according to the control instruction of control circuit, and is exported after being amplified to the signal of optimal LTE channel bands according to the gain amplifier of dynamic adjustment；The present invention can effectively ensure that the quality of output signals after repeater is amplified, and avoid too strong signal interference base station network.
Description
Technical field
The invention belongs to moving communicating field, more particularly to a kind of intelligent straight placement station and the communication party based on intelligent straight placement station
Method.
Background technology
Repeater is to belong to one kind without letter signal repeater, and its major function is that signal is entered in wireless communication transmissions
Row amplification.In the downlink, repeater passes through bandpass filter by forward facing antenna reception signal, and by the signal received
Filtering, is then transmitted into overlay area after power amplifier amplifies by filtered signal by rearward-facing antenna, to reach base station with moving
The signal transmission of dynamic platform.
Existing repeater design, typically by the way of default fixed frequency range and gain, there is provided two-way signaling amplifies work(
Can, problem is extended over to the insufficient region of 4G signals covering to solve vast operator and medium-sized and small enterprises.But, on the one hand,
Because default amplified frequency band is fixed, and equipment can not flexibly be adapted to FDD (the Frequency Division of different operators
Duplexing, FDD) or TDD (Time Division Duplexing, time division duplex) channel distribution, it have impact on equipment
Versatility and everywhere using ability, it is necessary to for according to operator and launch region do device clientization customization；On the other hand,
Fixed gain, which is set, may result in repeater equipment to the strong signal interference of base station generation closely, influences base station network and covers
The performance of lid；Furthermore because the width of default amplified frequency band can generally be more than the band bandwidth of actual use, easily cause and put
The serious intermodulation distortion of successive bands signal after big, cause the rapid decrease of amplified signal quality.
It is, therefore, desirable to provide a kind of repeater design, to solve what is brought by the way of default fixed frequency range and gain
Problem.
The content of the invention
The present invention provides a kind of intelligent straight placement station and the communication means based on intelligent straight placement station, it is desirable to provide one kind can root
Optimal LTE channel bands are selected according to current demand signal ambient intelligence, and are put according to the signal intensity size dynamic adjustment of selection frequency range
The intelligent straight placement station of large gain, so as to which the quality of output signals after repeater is amplified be effectively ensured, avoid too strong signal interference
Base station network.
The invention provides a kind of intelligent straight placement station, including N × N formula MIMO external antennas, RF coupler, control electricity
Directly discharge road and the inscribed antennas of N × N formulas MIMO for road, N roads；
Road wireless connection directly discharge in N × N formulas MIMO external antennas and the inscribed days of N × N formulas MIMO in the N roads
Between line, wherein 1 tunnel is directly discharged, road is described by the RF coupler and N × N formulas MIMO external antenna wireless connections
Control circuit one end is connected with the RF coupler, and the other end and the N roads road of directly discharging are connected respectively；
The RF coupler, under being sent using N × N formulas MIMO external antennas real-time reception from base station
Row signal, and the downstream signal is divided into 2 tunnels, wherein 1 road downstream signal inputs the control circuit, the descending letter in 1 tunnel in addition
Number connected straight electric discharge road of input；
The control circuit, for according to can the preset rule of customization detect and filter out in the downstream signal in real time
Optimal LTE channel bands, and according to the signal intensity size dynamic adjustment gain amplifier of the optimal LTE channel bands, and
Road of directly discharging the N roads in real time sends control instruction；
The N roads are directly discharged road, for filtering out downstream signal and upward signal according to the control instruction of the control circuit
In signal in addition to the signal of the optimal LTE channel bands, and to the signals of the optimal LTE channel bands according to dynamic
The gain amplifier of adjustment exports after being amplified, wherein, the upward signal is that antenna is inscribed using N × N formulas MIMO to connect
The signal of communication sent from wireless subscriber terminal to base station received.
Further, every 1 tunnel that the N roads are directly discharged in road road of directly discharging includes：Input radio frequency front-end circuit, output are penetrated
Frequency front-end circuit, multiband downstream amplifier and multiband upstream amplifier, wherein, the multiband downstream amplifier and multifrequency
Section upstream amplifier is connected between the input radio frequency front-end circuit and output RF front-end circuit；
The input radio frequency front-end circuit, for filtering out downstream signal and up according to the control instruction of the control circuit
Signal in signal in addition to the optimal LTE channel bands, and the downstream signal of the optimal LTE channel bands is inputted into institute
Multiband downstream amplifier is stated, the upward signal of the optimal LTE channel bands is inputted into N × N formulas MIMO external antennas,
And exported by N × N formulas MIMO external antennas；
The multiband downstream amplifier, for the control instruction according to the control circuit to the optimal LTE channels
The downstream signal of frequency range is amplified according to the gain amplifier of dynamic adjustment, and the downstream signal after amplification is inputted into the output
RF front-end circuit；
The output RF front-end circuit, for filtering out upward signal and descending according to the control instruction of the control circuit
Signal in signal in addition to the optimal LTE channel bands, and the upward signal of the optimal LTE channel bands is inputted into institute
Multiband upstream amplifier is stated, the downstream signal of the optimal LTE channel bands is inputted into N × N formulas MIMO is inscribed antenna,
Antenna output is inscribed by N × N formulas MIMO；
The multiband upstream amplifier, for the control instruction according to the control circuit to the optimal LTE channels
The upward signal of frequency range is amplified according to the gain amplifier of dynamic adjustment, and the upward signal after amplification is inputted into the input
RF front-end circuit.
Further, the control circuit includes：RF front-end circuit, radio modem and the LTE being sequentially connected
Baseband processing unit；
The RF front-end circuit, for the instruction according to the LTE baseband processing units to the preset frequency range of customization it
Outer downstream signal is filtered, and filtered downstream signal is supplied into the radio modem；
The radio modem, for being demodulated to the downstream signal, and the downstream signal after demodulation is defeated
Go out to the LTE baseband processing units；
The LTE baseband processing units, for downstream signal described in real-time reception, and according to can the preset rule of customization
Detect in real time and filter out the optimal LTE channel bands in the downstream signal, and according to the letter of the optimal LTE channel bands
Number intensity size dynamic adjustment gain amplifier, and road of directly discharging the N roads in real time sends control instruction.
Further, the RF front-end circuit, input radio frequency front-end circuit and output RF front-end circuit all include：According to
RF switch, duplexer and the wave filter of secondary connection.
Further, N × N formulas MIMO external antennas are 2 × 2 formula MIMO external antennas.
Present invention also offers a kind of communication means based on above-mentioned intelligent straight placement station, methods described includes：
RF coupler utilizes the downstream signal that is sent from base station of N × N formula MIMO external antennas real-time receptions, and by institute
State downstream signal and be divided into 2 tunnels, wherein 1 road downstream signal input control circuit, 1 road downstream signal input is connected straight in addition
Electric discharge road；
The control circuit according to can the preset rule of customization detect and filter out in the downstream signal most in real time
Good LTE channel bands, and according to the signal intensity size dynamic adjustment gain amplifier of the optimal LTE channel bands, and in real time
Road of directly discharging N roads sends control instruction；
N roads road of directly discharging filters out according to the control instruction of the control circuit institute is removed in downstream signal and upward signal
State the signal beyond the signal of optimal LTE channel bands, and to the signals of the optimal LTE channel bands according to dynamic adjustment
Gain amplifier exports after being amplified, wherein, the upward signal is inscribed antenna using N × N formulas MIMO and received
The signal of communication sent from wireless subscriber terminal to base station.
Further, N roads road of directly discharging filters out according to the control instruction of the control circuit institute is removed in downstream signal
State the signal beyond the signal of optimal LTE channel bands, and to the signals of the optimal LTE channel bands according to dynamic adjustment
Gain amplifier exports after being amplified, including：
The input radio frequency front-end circuit that the N roads are directly discharged in road filters out descending according to the control instruction of the control circuit
Signal in signal in addition to the signal of the optimal LTE channel bands, and by the downstream signal of the optimal LTE channel bands
Input the multiband downstream amplifier；
The multiband downstream amplifier is according to the control instruction of the control circuit to the optimal LTE channel bands
Downstream signal is amplified according to the gain amplifier of dynamic adjustment, and by before the downstream signal input output radio frequency after amplification
Terminal circuit；
The output RF front-end circuit according to the control instruction of the control circuit filter out in downstream signal except it is described most
Signal beyond good LTE channel bands, and the downstream signal of the optimal LTE channel bands is inputted in N × N formulas MIMO
Antenna is connect, antenna output is inscribed by N × N formulas MIMO.
Further, N roads road of directly discharging filters out according to the control instruction of the control circuit institute is removed in upward signal
State the signal beyond the signal of optimal LTE channel bands, and to the signals of the optimal LTE channel bands according to dynamic adjustment
Gain amplifier exports after being amplified, in addition to：
The output RF front-end circuit that the N roads are directly discharged in road filters out up according to the control instruction of the control circuit
Signal in signal in addition to the signal of the optimal LTE channel bands, and by the upward signal of the optimal LTE channel bands
Input the multiband upstream amplifier；
The multiband upstream amplifier is according to the control instruction of the control circuit to the optimal LTE channel bands
Upward signal is amplified according to the gain amplifier of dynamic adjustment, and by before the upward signal input input radio frequency after amplification
Terminal circuit；
The input radio frequency front-end circuit according to the control instruction of the control circuit filter out in upward signal except it is described most
Signal beyond good LTE channel bands, and the upward signal of the optimal LTE channel bands is inputted outside N × N formulas MIMO
Antenna is connect, is exported by N × N formulas MIMO external antennas.
Further, the control circuit according to can the preset rule of customization detect in real time and filter out the descending letter
Optimal LTE channel bands in number, and increased according to the signal intensity size dynamic adjustment amplification of the optimal LTE channel bands
Benefit, and road of directly discharging N roads in real time sends control instruction, including：
RF front-end circuit in the control circuit is preset to customization according to the instruction of the LTE baseband processing units
Downstream signal outside frequency range is filtered, and filtered downstream signal is supplied into radio modem；
Radio modem in the control circuit is demodulated to the downstream signal, and will be descending after demodulation
Signal output gives LTE baseband processing units；
Downstream signal described in LTE baseband processing unit real-time receptions in the control circuit, and according to can customization it is pre-
The rule put detects in real time and filters out the optimal LTE channel bands in the downstream signal, and according to the optimal LTE channels
The signal intensity size dynamic adjustment gain amplifier of frequency range, and road of directly discharging the N roads in real time sends control instruction.
Further, the RF front-end circuit, input radio frequency front-end circuit and output RF front-end circuit all include：According to
RF switch, duplexer and the wave filter of secondary connection.
Compared with prior art, beneficial effect is the present invention：A kind of intelligent straight placement station provided by the invention and based on intelligence
Can repeater communication means, the RF coupler in intelligent straight placement station is used for real-time using N × N formulas MIMO external antennas
The downstream signal sent from base station is received, and the downstream signal is divided into 2 tunnels, wherein 1 road downstream signal inputs the control
Circuit；Control circuit in intelligent straight placement station be used for according to can the preset rule of customization detect and filter out described descending in real time
Optimal LTE channel bands in signal, and increased according to the signal intensity size dynamic adjustment amplification of the optimal LTE channel bands
Benefit, and road of directly discharging the N roads in real time sends control instruction；N roads in intelligent straight placement station directly discharge road be used for according to described in
The control instruction of control circuit filters out the letter in addition to the signal of the optimal LTE channel bands in downstream signal and upward signal
Number, and exported after being amplified to the signal of the optimal LTE channel bands according to the gain amplifier of dynamic adjustment；The present invention with
Prior art is compared, and optimal LTE channel bands can be selected according to current demand signal ambient intelligence, and according to the signal of selection frequency range
Dynamic changes of strength adjusts gain amplifier, the real-time dynamic adjustment control purpose of amplified frequency band and gain is realized, so as to flexibly fit
FDD or TDD channel distributions with different operators, too strong signal interference base station network is avoided, and effectively lifted through repeater
Signal quality after amplification.
Brief description of the drawings
Fig. 1 is a kind of circuit module schematic diagram of intelligent straight placement station provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic flow sheet of the communication means of intelligent straight placement station provided in an embodiment of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Because the repeater provided in the prior art is to provide two-way letter by the way of the default fixed frequency range and gain
Number enlarging function, cause the poor signal quality after amplification, can interference base station network, and be unable to smart different operators
The technical problem of FDD or TDD channel distributions.
In order to solve the above-mentioned technical problem, the present invention proposes a kind of intelligent straight placement station and the communication party based on intelligent straight placement station
Method, as shown in figure 1, RF coupler utilizes the downstream signal that N × N formula MIMO external antennas real-time receptions are sent from base station,
And the downstream signal is divided into 2 tunnels, wherein 1 road downstream signal input control circuit；The control circuit is according to can customization
Preset rule detects in real time and filters out the optimal LTE channel bands in the downstream signal, and is believed according to the optimal LTE
The signal intensity size dynamic adjustment gain amplifier of road frequency range, and road of directly discharging N roads in real time sends control instruction；The N roads
Straight electric discharge road is filtered out in downstream signal and upward signal except the optimal LTE channels frequency according to the control instruction of the control circuit
Signal beyond the signal of section, and the signal of the optimal LTE channel bands is put according to the gain amplifier of dynamic adjustment
Exported after big.
Lower mask body introduces a kind of intelligent straight placement station provided in an embodiment of the present invention, as shown in figure 1, including：N × N formulas
MIMO external antennas, RF coupler, control circuit, N roads directly discharge road and antenna is inscribed in N × N formulas MIMO.
Road wireless connection directly discharge in N × N formulas MIMO external antennas and the inscribed days of N × N formulas MIMO in the N roads
Between line, wherein 1 tunnel is directly discharged, road is described by the RF coupler and N × N formulas MIMO external antenna wireless connections
Control circuit one end is connected with the RF coupler, and the other end and the N roads road of directly discharging are connected respectively.
Specifically, N × N formulas MIMO external antennas provided in an embodiment of the present invention are 2 × 2 formula MIMO external antennas, N × N
It is that 2 × 2 formula MIMO are inscribed antenna that antenna, which is inscribed, in formula MIMO, and N roads road of directly discharging directly is discharged road for 2 tunnels, as shown in figure 1, including directly
Discharge road 1 and straight electric discharge road 2, the straight electric discharge road 1 and straight electric discharge road 2 all provide for two-way straight electric discharge road, the embodiment of the present invention
The RF coupler be with directly electric discharge road 1 be connected.
Specifically, the downstream signal that base station is sent to mobile station is in the transmission path of the intelligent straight placement station：Descending letter
Number being sent to 2 tunnel by 2 × 2 formula MIMO external antennas directly discharges road, and day is inscribed by N × N formulas MIMO
Line is sent to mobile station.The upward signal that mobile station is sent to base station is in the transmission path of the intelligent straight placement station：Up letter
Number antenna is inscribed by 2 × 2 formula MIMO and is sent to 2 tunnel and directly discharged road, and pass through the external days of N × N formulas MIMO
Line is sent to mobile station.The RF coupler, the descending letter sent for N × N formulas MIMO external antennas described in real-time reception
Number, and the downstream signal is divided into 2 tunnels, wherein 1 road downstream signal inputs the control circuit, 1 road downstream signal is defeated in addition
Enter connected straight electric discharge road.
Specifically, the RF coupler includes：Straight-through end and coupled end, wherein, the straight-through end and the straight electric discharge
Road 1 is connected, and the coupled end is connected with the control circuit, and the RF coupler will come from the downstream signal of base station by work(
Rate ratio is divided into 2 road signals, wherein, large scale power signal inputs the straight electric discharge road 1, small scale work(by the straight-through end
Rate signal inputs the control circuit by the coupled end.
The control circuit, for according to can the preset rule of customization detect and filter out in the downstream signal in real time
Optimal LTE channel bands, and according to the signal intensity size dynamic adjustment gain amplifier of the optimal LTE channel bands, and
Road of directly discharging the N roads in real time sends control instruction；
Specifically, the control circuit includes：RF front-end circuit RF_IN FEM that is sequentially connected, radio-frequency modulations demodulation
Device RF_IC and LTE baseband processing unit LTE BB.
The RF front-end circuit, for the instruction according to the LTE baseband processing units to the preset frequency range of customization it
Outer downstream signal is filtered, and filtered downstream signal is supplied into the radio modem；
Specifically, the preset frequency range of the customization refers to client's preset frequency range as needed, such as, if client only needs
Optimal LTE channel bands are filtered out from mobile operator, then, the preset frequency range of customization here may be configured as moving
The frequency range that operator supports；For another example, if client needs to filter out optimal LTE channel bands in specified section frequency range,
So, here the preset frequency range of customization may be configured as the section frequency range specified；I.e. in fact, client can according to oneself
Need to set a band limits, the RF front-end circuit can filter out the downstream signal outside the preset frequency range of customization.
Specifically, the RF front-end circuit includes RF switch, duplexer and the wave filter being sequentially connected.
Specifically, repeater provided in an embodiment of the present invention is 4G intelligent straight placement stations, can be adapted to single or multiple operations
Business (supports the different operator in the whole world), before the intelligent straight placement station comes into operation, can be preset according to the needs of user
The operator specified is put, when being come into operation after pre-seting, the RF front-end circuit can be according to the LTE Base-Band Processings
Downstream signal outside frequency range of the instruction of unit to specifying operator is filtered so that the LTE baseband processing units are only
Optimal LTE channel bands can be screened from the frequency band signals of specified operator；I.e. described intelligent straight placement station can only amplify specified fortune
The frequency band signals of business are sought, protect the interests and benefit of equipment investment operator well.
The radio modem, for being demodulated to the downstream signal, and the downstream signal after demodulation is defeated
Go out to the LTE baseband processing units；
The LTE baseband processing units, for downstream signal described in real-time reception, and according to can the preset rule of customization
Detect in real time and filter out the optimal LTE channel bands in the downstream signal, and according to the letter of the optimal LTE channel bands
Number intensity size dynamic adjustment gain amplifier, and road of directly discharging the N roads in real time sends control instruction.
Specifically, can the preset rule of customization for rule can be pre-set according to the demand of client, the presetting rule can
Need flexibly to set according to client, also, optimal LTE can be filtered out from the preset frequency range of customization according to the rule pre-set
Channel bands.Such as if the preset frequency range of customization is provided that the frequency range that mobile operator is supported, then, the LTE base band
Processing unit be in the frequency range supported from mobile operator according to can the preset rule of customization detect and filter out optimal in real time
LTE channel bands；If the preset frequency range of customization is provided that the section frequency range specified, then, the LTE baseband processing units
I.e. from specified section frequency range according to can customization it is preset rule detect in real time and filter out optimal LTE channel bands；I.e.
On in real time, the LTE baseband processing units can according to can the preset rule of customization filtered out most from the preset frequency range of customization
Good LTE channel bands.
Specifically, the downstream signal demodulated by the radio modem is sent to the LTE baseband processing units
LTE BB, the LTE baseband processing units carry out air protocol processing to the downstream signal.The LTE baseband processing units
Each band channels in the downstream signal are scanned and screened, the result scanned according to all channel, LTE BB can basis
Can the preset rule of customization detect in real time and filter out optimal LTE channel bands, and calculate the gain amplifier of needs so that
Two-way straight electric discharge road is controlled to the signal of the specified optimal LTE channel bands put outside and the two-way of internal signal
Greatly.It should be noted that LTE BB can continuously carry out repeater Applied Physics position peripheral base station signal scanning and
Screening, if wireless environment or network signal change, LTE BB can in real time be detected and be selected more suitable amplified frequency band
Carry out work, it is ensured that user can enjoy the covering of best network signal always, while also double antenna MIMO can be supported to put very well
Big ability.
The N roads are directly discharged road, for filtering out downstream signal and upward signal according to the control instruction of the control circuit
In signal in addition to the signal of the optimal LTE channel bands, and to the signals of the optimal LTE channel bands according to dynamic
The gain amplifier of adjustment exports after being amplified, wherein, the upward signal is that antenna is inscribed using N × N formulas MIMO to connect
The signal of communication sent from wireless subscriber terminal to base station received.
Specifically, every 1 tunnel that the N roads are directly discharged in road road of directly discharging includes：Input radio frequency front-end circuit RF_IN
FEM, output RF front-end circuit RF_OUT FEM, multiband downstream amplifier (multiband RX_PA) and the up amplification of multiband
Device (multiband TX_PA), wherein, the multiband downstream amplifier and multiband upstream amplifier are connected to the input
Between RF front-end circuit and output RF front-end circuit.
Specifically, the embodiment of the present invention illustrates the design of 2 passage intelligent straight placement stations, can support 2x2 formula MIMO Working moulds
Formula.RF_IN FEM and the RF_OUT FEM directly to be discharged per road in road, the combining for being responsible for outwardly and inwardly direction amplified signal converge
Collection, together with multiband RX_PA and multiband TX_PA, form the Bi-directional amplifier for realizing internal/external signal.
More specifically, directly RF_IN FEM and the RF_OUT FEM in electric discharge road have LTE Frequency Band Selections in need and filtering
Function, physical circuit is by the RF switch, duplexer and the wave filter group that are sequentially connected into being responsible for separation or transmission signal is received in polymerization
And bandpass filtering is carried out, and RF_IN FEM and RF_OUT FEM designs can support FDD and TDD mode of operations, working frequency range choosing
Select and controlled by LTE_BB.Multiband RX_PA and multiband TX_PA uses the broadband power discharging device of multichannel, realizes that low cost is more
Frequency range wideband enlarging function, the Frequency Band Selection of amplifier and gain control are also controlled by LTE BB.
Specifically, the input radio frequency front-end circuit, for filtering out descending letter according to the control instruction of the control circuit
Number and upward signal in signal in addition to the optimal LTE channel bands, and by the descending letter of the optimal LTE channel bands
Number input multiband downstream amplifier, N × N formulas MIMO is inputted by the upward signal of the optimal LTE channel bands
External antenna, and exported by N × N formulas MIMO external antennas.
The multiband downstream amplifier, for the control instruction according to the control circuit to the optimal LTE channels
The downstream signal of frequency range is amplified according to the gain amplifier of dynamic adjustment, and the downstream signal after amplification is inputted into the output
RF front-end circuit.
The output RF front-end circuit, for filtering out upward signal and descending according to the control instruction of the control circuit
Signal in signal in addition to the optimal LTE channel bands, and the upward signal of the optimal LTE channel bands is inputted into institute
Multiband upstream amplifier is stated, the downstream signal of the optimal LTE channel bands is inputted into N × N formulas MIMO is inscribed antenna,
Antenna output is inscribed by N × N formulas MIMO；
The multiband upstream amplifier, for the control instruction according to the control circuit to the optimal LTE channels
The upward signal of frequency range is amplified according to the gain amplifier of dynamic adjustment, and the upward signal after amplification is inputted into the input
RF front-end circuit.
Intelligent straight placement station provided in an embodiment of the present invention, according to the environment around equipment and existing 4G network signals, intelligence
The selection of energy ground authorizes the optimal LTE channel bands of operator to carry out strict bandpass filtering Bi-directional amplifier instantly, and according to selection
The received signal strength of frequency range, dynamic adjust gain amplifier, realize the real-time dynamic adjustment control purpose of amplified frequency band and gain,
FDD the or TDD channel distributions of different operators can be flexibly adapted to, avoid too strong signal interference base station network, and can be effective
Lift the signal quality after repeater is amplified；Intelligent straight placement station provided in an embodiment of the present invention can solve vast operation well
Business and medium-sized and small enterprises extend over problem to the insufficient region of 4G signals covering, and the quality for extending over signal is effectively ensured, and
MIMO signal required for providing 4G networks directly puts covering power；The intelligent straight placement station designed using the present invention, have good
Versatility, the problem of equipment is installed can be greatly simplified, various applications and network environment is adapted to automatically, turns into and really meet 4G demands
Intelligent straight placement station system, can be applied to LTE radio MIMOs repeater design application.
Lower mask body introduces a kind of communication means of intelligent straight placement station provided in an embodiment of the present invention, as shown in Fig. 2 described
Method includes：
Step S101, RF coupler utilize the descending letter that N × N formulas MIMO external antennas real-time reception is sent from base station
Number, and the downstream signal is divided into 2 tunnels, wherein 1 road downstream signal input control circuit, in addition 1 road downstream signal input with
Its straight electric discharge road connected；
Step S102, the control circuit according to can the preset rule of customization detect in real time and filter out the descending letter
Optimal LTE channel bands in number, and increased according to the signal intensity size dynamic adjustment amplification of the optimal LTE channel bands
Benefit, and road of directly discharging N roads in real time sends control instruction；
Specifically, the RF front-end circuit in the control circuit according to the instruction of the LTE baseband processing units to visitor
Downstream signal outside the preset frequency range of familyization is filtered, and filtered downstream signal is supplied into radio modem；
Radio modem in the control circuit is demodulated to the downstream signal, and the downstream signal after demodulation is exported
Give LTE baseband processing units；Downstream signal described in LTE baseband processing unit real-time receptions in the control circuit, and according to
Can the preset rule of customization detect in real time and filter out the optimal LTE channel bands in the downstream signal, and according to described
The signal intensity size dynamic adjustment gain amplifier of optimal LTE channel bands, and road of directly discharging the N roads in real time sends control
Instruction.
Step S103, N roads road of directly discharging filter out downstream signal and up according to the control instruction of the control circuit
Signal in signal in addition to the signal of the optimal LTE channel bands, and to the signals of the optimal LTE channel bands according to
The gain amplifier of dynamic adjustment exports after being amplified, wherein, the upward signal is that day is inscribed using N × N formulas MIMO
The signal of communication sent from wireless subscriber terminal to base station that line receives.
Specifically, specifically introduce downstream signal and upward signal directly discharged on the N roads signal processing in road and
Signal flows to；
On downstream signal：
The input radio frequency front-end circuit that the N roads are directly discharged in road filters out descending according to the control instruction of the control circuit
Signal in signal in addition to the signal of the optimal LTE channel bands, and by the downstream signal of the optimal LTE channel bands
Input the multiband downstream amplifier；The multiband downstream amplifier is according to the control instruction of the control circuit to described
The downstream signal of optimal LTE channel bands is amplified according to the gain amplifier of dynamic adjustment, and by the downstream signal after amplification
Input the output RF front-end circuit；The output RF front-end circuit filters out down according to the control instruction of the control circuit
Signal in row signal in addition to the optimal LTE channel bands, and the downstream signal of the optimal LTE channel bands is inputted
Antenna is inscribed in N × N formulas MIMO, and antenna output is inscribed by N × N formulas MIMO.
On upward signal：
The output RF front-end circuit that the N roads are directly discharged in road filters out up according to the control instruction of the control circuit
Signal in signal in addition to the signal of the optimal LTE channel bands, and by the upward signal of the optimal LTE channel bands
Input the multiband upstream amplifier；The multiband upstream amplifier is according to the control instruction of the control circuit to described
The upward signal of optimal LTE channel bands is amplified according to the gain amplifier of dynamic adjustment, and by the upward signal after amplification
Input the input radio frequency front-end circuit；The input radio frequency front-end circuit filters out according to the control instruction of the control circuit
Signal in row signal in addition to the optimal LTE channel bands, and the upward signal of the optimal LTE channel bands is inputted
N × N formulas MIMO external antennas, exported by N × N formulas MIMO external antennas.
Specifically, the RF front-end circuit, input radio frequency front-end circuit and output RF front-end circuit all include：Successively
RF switch, duplexer and the wave filter of connection.
Specifically, N × N formulas MIMO external antennas are 2 × 2 formula MIMO external antennas.
The communication means of intelligent straight placement station provided in an embodiment of the present invention, according to the environment around equipment and existing 4G nets
Network signal, intelligently select to authorize the optimal LTE channel bands of operator to carry out strict bandpass filtering Bi-directional amplifier instantly, and
According to the received signal strength of selection frequency range, dynamic adjusts gain amplifier, realizes that the real-time dynamic of amplified frequency band and gain adjusts
Purpose is controlled, FDD the or TDD channel distributions of different operators can be flexibly adapted to, avoid too strong signal interference base station network, and
And it can effectively lift the signal quality after repeater is amplified.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of intelligent straight placement station, it is characterised in that including N × N formula MIMO external antennas, RF coupler, control circuit, N
Directly discharge road and the inscribed antennas of N × N formulas MIMO on road；
The N roads directly discharge road wireless connection in N × N formulas MIMO external antennas and N × N formulas MIMO be inscribed antenna it
Between, wherein 1 tunnel is directly discharged, road passes through the RF coupler and N × N formulas MIMO external antenna wireless connections, the control
Circuit on one side is connected with the RF coupler, and the other end and the N roads road of directly discharging are connected respectively；
The RF coupler, for the descending letter sent using N × N formulas MIMO external antennas real-time reception from base station
Number, and the downstream signal is divided into 2 tunnels, wherein 1 road downstream signal inputs the control circuit, 1 road downstream signal is defeated in addition
Enter connected straight electric discharge road；
The control circuit, for according to can the preset rule of customization detect and filter out in the downstream signal most in real time
Good LTE channel bands, and according to the signal intensity size dynamic adjustment gain amplifier of the optimal LTE channel bands, and in real time
Road of directly discharging the N roads sends control instruction；
The N roads are directly discharged road, are removed for being filtered out according to the control instruction of the control circuit in downstream signal and upward signal
Signal beyond the signal of the optimal LTE channel bands, and the signal of the optimal LTE channel bands is adjusted according to dynamic
Gain amplifier be amplified after export, wherein, the upward signal be using N × N formulas MIMO be inscribed antenna receive
The signal of communication sent from wireless subscriber terminal to base station.
2. intelligent straight placement station as claimed in claim 1, it is characterised in that every 1 tunnel that the N roads are directly discharged in road is directly discharged road
Including：Input radio frequency front-end circuit, output RF front-end circuit, multiband downstream amplifier and multiband upstream amplifier, its
In, the multiband downstream amplifier and multiband upstream amplifier are connected to the input radio frequency front-end circuit and output
Between RF front-end circuit；
The input radio frequency front-end circuit, for filtering out downstream signal and upward signal according to the control instruction of the control circuit
In signal in addition to the optimal LTE channel bands, it is and the downstream signal input of the optimal LTE channel bands is described more
Frequency range downstream amplifier, by upward signal input N × N formulas MIMO external antennas of the optimal LTE channel bands, and by
N × N formulas MIMO external antennas output；
The multiband downstream amplifier, for the control instruction according to the control circuit to the optimal LTE channel bands
Downstream signal be amplified according to the gain amplifier of dynamic adjustment, and the downstream signal after amplification is inputted into the output radio frequency
Front-end circuit；
The output RF front-end circuit, for filtering out upward signal and downstream signal according to the control instruction of the control circuit
In signal in addition to the optimal LTE channel bands, it is and the upward signal input of the optimal LTE channel bands is described more
Frequency range upstream amplifier, the downstream signal of the optimal LTE channel bands is inputted into N × N formulas MIMO antenna is inscribed, by institute
State N × N formulas MIMO and antenna output is inscribed；
The multiband upstream amplifier, for the control instruction according to the control circuit to the optimal LTE channel bands
Upward signal be amplified according to the gain amplifier of dynamic adjustment, and the upward signal after amplification is inputted into the input radio frequency
Front-end circuit.
3. intelligent straight placement station as claimed in claim 1 or 2, it is characterised in that the control circuit includes：What is be sequentially connected penetrates
Frequency front-end circuit, radio modem and LTE baseband processing units；
The RF front-end circuit, for the instruction according to the LTE baseband processing units to the preset frequency range of customization outside
Downstream signal is filtered, and filtered downstream signal is supplied into the radio modem；
The radio modem, for being demodulated to the downstream signal, and by the downstream signal after demodulation export to
The LTE baseband processing units；
The LTE baseband processing units, for downstream signal described in real-time reception, and according to can customization it is preset rule in real time
Detect and filter out the optimal LTE channel bands in the downstream signal, and it is strong according to the signal of the optimal LTE channel bands
Size dynamic adjustment gain amplifier is spent, and road of directly discharging the N roads in real time sends control instruction.
4. intelligent straight placement station as claimed in claim 3, it is characterised in that the RF front-end circuit, input radio frequency front end electricity
Road and output RF front-end circuit all include：RF switch, duplexer and the wave filter being sequentially connected.
5. intelligent straight placement station as claimed in claim 1, it is characterised in that N × N formulas MIMO external antennas are 2 × 2 formulas
MIMO external antennas.
A kind of 6. communication means of the intelligent straight placement station based on described in claim any one of 1-5, it is characterised in that methods described
Including：
RF coupler utilizes the downstream signal that is sent from base station of N × N formula MIMO external antennas real-time receptions, and will be described under
Row signal is divided into 2 tunnels, wherein 1 road downstream signal input control circuit, the in addition connected straight electric discharge of 1 road downstream signal input
Road；
The control circuit according to can the preset rule of customization detect in real time and filter out the optimal LTE in the downstream signal
Channel bands, and according to the signal intensity size dynamic adjustment gain amplifier of the optimal LTE channel bands, and in real time to N roads
Straight electric discharge road sends control instruction；
The N roads directly discharge road according to the control instruction of the control circuit filter out in downstream signal and upward signal except it is described most
Signal beyond the signal of good LTE channel bands, and the amplification to the signals of the optimal LTE channel bands according to dynamic adjustment
Gain exports after being amplified, wherein, the upward signal is come from using what the inscribed antennas of N × N formulas MIMO received
The signal of communication that wireless subscriber terminal is sent to base station.
7. communication means as claimed in claim 6, it is characterised in that directly discharge road according to the control circuit in the N roads
Control instruction filters out the signal in addition to the signal of the optimal LTE channel bands in downstream signal, and the optimal LTE is believed
The signal of road frequency range exports after being amplified according to the gain amplifier of dynamic adjustment, including：
The input radio frequency front-end circuit that the N roads are directly discharged in road filters out downstream signal according to the control instruction of the control circuit
In signal in addition to the signal of the optimal LTE channel bands, and the downstream signal of the optimal LTE channel bands is inputted
The multiband downstream amplifier；
The multiband downstream amplifier is according to the control instruction of the control circuit to the descending of the optimal LTE channel bands
Signal is amplified according to the gain amplifier of dynamic adjustment, and the downstream signal input output radio-frequency front-end after amplification is electric
Road；
The output RF front-end circuit filters out according to the control instruction of the control circuit removes the optimal LTE in downstream signal
Signal beyond channel bands, and the downstream signal of the optimal LTE channel bands is inputted into N × N formulas MIMO day is inscribed
Line, antenna output is inscribed by N × N formulas MIMO.
8. communication means as claimed in claim 7, it is characterised in that directly discharge road according to the control circuit in the N roads
Control instruction filters out the signal in addition to the signal of the optimal LTE channel bands in upward signal, and the optimal LTE is believed
The signal of road frequency range exports after being amplified according to the gain amplifier of dynamic adjustment, in addition to：
The output RF front-end circuit that the N roads are directly discharged in road filters out upward signal according to the control instruction of the control circuit
In signal in addition to the signal of the optimal LTE channel bands, and the upward signal of the optimal LTE channel bands is inputted
The multiband upstream amplifier；
The multiband upstream amplifier is according to the control instruction of the control circuit to the up of the optimal LTE channel bands
Signal is amplified according to the gain amplifier of dynamic adjustment, and the upward signal after amplification is inputted into the input radio frequency front end electricity
Road；
The input radio frequency front-end circuit filters out according to the control instruction of the control circuit and the optimal LTE is removed in upward signal
Signal beyond channel bands, and the upward signal of the optimal LTE channel bands is inputted into the external days of N × N formulas MIMO
Line, exported by N × N formulas MIMO external antennas.
9. communication means as claimed in claim 6, it is characterised in that the control circuit is according to can the preset rule of customization
Detect in real time and filter out the optimal LTE channel bands in the downstream signal, and according to the letter of the optimal LTE channel bands
Number intensity size dynamic adjustment gain amplifier, and road of directly discharging N roads in real time sends control instruction, including：
RF front-end circuit in the control circuit is according to the instruction of the LTE baseband processing units to the preset frequency range of customization
Outside downstream signal be filtered, and filtered downstream signal is supplied to radio modem；
Radio modem in the control circuit is demodulated to the downstream signal, and by the downstream signal after demodulation
Export and give LTE baseband processing units；
Downstream signal described in LTE baseband processing unit real-time receptions in the control circuit, and according to can customization it is preset
Rule detects in real time and filters out the optimal LTE channel bands in the downstream signal, and according to the optimal LTE channel bands
Signal intensity size dynamic adjustment gain amplifier, and road of directly discharging the N roads in real time sends control instruction.
10. communication means as claimed in claim 8, it is characterised in that the RF front-end circuit, input radio frequency front-end circuit
All include with output RF front-end circuit：RF switch, duplexer and the wave filter being sequentially connected.
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| CN201710624090.5A CN107623544B (en) | 2017-07-27 | 2017-07-27 | Intelligent repeater and communication method based on same |
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| CN201710624090.5A CN107623544B (en) | 2017-07-27 | 2017-07-27 | Intelligent repeater and communication method based on same |
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| CN107623544B CN107623544B (en) | 2024-02-20 |
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| CN108736953A (en) * | 2018-04-10 | 2018-11-02 | 京信通信系统（中国）有限公司 | Wireless discharging-directly station sharing method, device, system and computer equipment |
| CN110138434A (en) * | 2019-06-04 | 2019-08-16 | 深圳市豪位科技有限公司 | The working frequency points adaptive optimization method of NB-IOT wireless discharging-directly station |
| CN111769864A (en) * | 2020-07-21 | 2020-10-13 | 展讯通信（上海）有限公司 | Relay amplification method and system for wireless signal, and storage medium |
| CN114598372A (en) * | 2020-11-19 | 2022-06-07 | 中国移动通信有限公司研究院 | Relay device and method |
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|---|---|
| CN107623544B (en) | 2024-02-20 |
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