CN207266020U - A kind of intelligent straight placement station - Google Patents
A kind of intelligent straight placement station Download PDFInfo
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- CN207266020U CN207266020U CN201720925732.0U CN201720925732U CN207266020U CN 207266020 U CN207266020 U CN 207266020U CN 201720925732 U CN201720925732 U CN 201720925732U CN 207266020 U CN207266020 U CN 207266020U
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Abstract
The utility model is suitable for moving communicating field, there is provided a kind of intelligent straight placement station, including：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 downlink signal being coupled into, and gain amplifier is adjusted according to the signal strength 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 downlink signal and uplink 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；Repeater provided by the utility model can effectively ensure that through the amplified quality of output signals in repeater, avoid too strong signal interference base station network.
Description
Technical field
The utility model belongs to moving communicating field, more particularly to a kind of intelligent straight placement station.
Background technology
Repeater be belong to without letter signal repeater one kind, its major function be in wireless communication transmissions to signal into
Row amplification.In the downlink, repeater receives signal by forward facing antenna, and the signal received is passed through bandpass filter
Filtering, is then transmitted to 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, generally by the way of default fixed frequency range and gain, there is provided two-way signaling amplifies work(
Can, to solve the problems, such as that vast operator and medium-sized and small enterprises extend over the insufficient region of 4G signals covering.But, on the one hand,
Since default amplified frequency band is fixed, and equipment cannot flexibly be adapted to FDD (the Frequency Division of different operators
Duplexing, frequency division duplex) or TDD (Time DivisionDuplexing, 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 base station generation strong signal interference closely, influences base station network and covers
The performance of lid；Furthermore since the width of default amplified frequency band can generally be more than the band bandwidth of actual use, it be easy to cause and puts
The serious intermodulation distortion of successive bands signal after big, causes 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.
Utility model content
The utility model provides a kind of intelligent straight placement station, it is desirable to provide one kind can be selected according to current demand signal ambient intelligence
Optimal LTE channel bands, and the intelligent straight placement station of the signal strength size dynamic adjustment gain amplifier according to selection frequency range, so that
It is effectively ensured through the amplified quality of output signals in repeater, avoids too strong signal interference base station network.
The utility model provides a kind of intelligent straight placement station, including N × N formula MIMO external antennas, RF coupler, control
Circuit, N roads directly discharge road and antenna is inscribed in N × N formulas MIMO；
Day is inscribed in N × N formulas MIMO external antennas and N × N formulas MIMO in N roads road wireless connection of directly discharging
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 downlink signal is divided into 2 tunnels, wherein 1 road downlink signal inputs the control circuit, in addition 1 tunnel downlink is believed
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 downlink signal in real time
Optimal LTE channel bands, and according to the signal strength 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 downlink signal and uplink 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 uplink signal is that antenna is inscribed using N × N formulas MIMO to connect
The received signal of communication sent from wireless subscriber terminal to base station.
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 downlink signal and uplink according to the control instruction of the control circuit
Signal in signal in addition to the optimal LTE channel bands, and the downlink signal of the optimal LTE channel bands is inputted into institute
Multiband downstream amplifier is stated, the uplink 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 downlink signal of frequency range is amplified according to the gain amplifier of dynamic adjustment, and amplified downlink signal is inputted the output
RF front-end circuit；
The output RF front-end circuit, for filtering out uplink signal and downlink according to the control instruction of the control circuit
Signal in signal in addition to the optimal LTE channel bands, and the uplink signal of the optimal LTE channel bands is inputted into institute
Multiband upstream amplifier is stated, the downlink signal of the optimal LTE channel bands is inputted 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 uplink signal of frequency range is amplified according to the gain amplifier of dynamic adjustment, and amplified uplink signal is inputted the input
RF front-end circuit.
Further, the control circuit includes：Sequentially connected RF front-end circuit, radio modem and LTE
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 downlink signal is filtered, and filtered downlink signal is supplied to the radio modem；
The radio modem, for being demodulated to the downlink signal, and the downlink signal after demodulation is defeated
Go out to the LTE baseband processing units；
The LTE baseband processing units, for downlink 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 downlink 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.
Compared with prior art, beneficial effect is the utility model：A kind of intelligent straight placement station provided by the utility model,
RF coupler in intelligent straight placement station is used for what is sent using N × N formulas MIMO external antennas real-time reception from base station
Downlink signal, and the downlink signal is divided into 2 tunnels, wherein 1 road downlink signal inputs the control circuit；In intelligent straight placement station
Control circuit be used for according to can customization it is preset rule detect in real time and filter out the optimal LTE channels in the downlink signal
Frequency range, and according to the signal strength size dynamic adjustment gain amplifier of the optimal LTE channel bands, and in real time to the N roads
Straight electric discharge road sends control instruction；Road directly discharge for the control instruction according to the control circuit in N roads in intelligent straight placement station
The signal in addition to the signal of the optimal LTE channel bands in downlink signal and uplink signal is filtered out, and to the optimal LTE
The signal of channel bands exports after being amplified according to the gain amplifier of dynamic adjustment；The utility model compared with prior art,
Optimal LTE channel bands can be selected according to current demand signal ambient intelligence, and are adjusted according to the signal strength dynamic of selection frequency range
Gain amplifier, realizes the real-time dynamic adjustment control purpose of amplified frequency band and gain, so as to flexibly be adapted to different operators
FDD or TDD channel distributions, avoid too strong signal interference base station network, and effectively lifted through the amplified signal in repeater
Quality.
Brief description of the drawings
Fig. 1 is a kind of circuit module schematic diagram for intelligent straight placement station that the utility model embodiment provides；
Fig. 2 is a kind of flow diagram of the communication means for intelligent straight placement station that the utility model embodiment provides.
Embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only explaining
The utility model, is not used to limit the utility model.
Since 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, causes amplified poor signal quality, 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 utility model proposes a kind of intelligent straight placement station, as shown in Figure 1, RF coupling
Device utilizes the downlink signal that N × N formula MIMO external antennas real-time receptions are sent from base station, and the downlink signal is divided into 2
Road, wherein 1 road downlink signal input control circuit；The control circuit according to can the preset rule of customization detect and sieve in real time
The optimal LTE channel bands in the downlink signal are selected, and according to the big petty action of signal strength of the optimal LTE channel bands
State adjusts gain amplifier, and road of directly discharging N roads in real time sends control instruction；Road directly discharge according to the control electricity in the N roads
The control instruction on road filters out the signal in addition to the signal of the optimal LTE channel bands in downlink signal and uplink signal, and
Exported after being amplified to the signals of the optimal LTE channel bands according to the gain amplifier of dynamic adjustment.
Lower mask body introduces a kind of intelligent straight placement station of the utility model embodiment offer, as shown in Figure 1, including：N×N
Formula MIMO external antennas, RF coupler, control circuit, N roads directly discharge road and antenna is inscribed in N × N formulas MIMO.
Day is inscribed in N × N formulas MIMO external antennas and N × N formulas MIMO in N roads road wireless connection of directly discharging
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 formula MIMO external antennas that the utility model embodiment provides are 2 × 2 formula MIMO external antennas, N
× N formulas MIMO is inscribed antenna and is inscribed antenna for 2 × 2 formula MIMO, and N roads road of directly discharging directly is discharged road for 2 tunnels, as shown in Figure 1, including
Straight electric discharge road 1 and straight electric discharge road 2, the straight electric discharge road 1 and straight electric discharge road 2 are all implemented for two-way straight electric discharge road, the utility model
The RF coupler that example provides is connected with directly electric discharge road 1.
Specifically, the downlink signal that base station is sent to mobile station is in the transmission path of the intelligent straight placement station：Downlink is believed
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 uplink signal that mobile station is sent to base station is in the transmission path of the intelligent straight placement station：Uplink is believed
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 downlink letter sent for N × N formulas MIMO external antennas described in real-time reception
Number, and the downlink signal is divided into 2 tunnels, wherein 1 road downlink signal inputs the control circuit, in addition 1 road downlink signal is defeated
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 connects, and the coupled end is connected with the control circuit, and the RF coupler will come from the downlink 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 downlink signal in real time
Optimal LTE channel bands, and according to the signal strength 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：Sequentially connected RF front-end circuit RF_IN FEM, 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 downlink signal is filtered, and filtered downlink signal is supplied to 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 downlink signal outside the preset frequency range of customization.
Specifically, the RF front-end circuit includes sequentially connected RF switch, duplexer and wave filter.
Specifically, the repeater that the utility model embodiment provides is 4G intelligent straight placement stations, can be adapted to single or multiple
Operator (supports the different operator in the whole world), can be according to the needs of user before the intelligent straight placement station comes into operation
The operator specified is pre-seted, when coming into operation after pre-seting, the RF front-end circuit can be according to the LTE base band
Downlink signal outside frequency range of the instruction of processing unit to specifying operator is filtered so that the LTE Base-Band Processings list
Member only can screen optimal LTE channel bands from the frequency band signals of specified operator；I.e. described intelligent straight placement station, which can only amplify, to be referred to
Determine the frequency band signals of operator, protect the interests and benefit of equipment investment operator well.
The radio modem, for being demodulated to the downlink signal, and the downlink signal after demodulation is defeated
Go out to the LTE baseband processing units；
The LTE baseband processing units, for downlink 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 downlink 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, which can
Need flexibly to set according to client, also, optimal LTE can be filtered out from the preset frequency range of customization according to pre-set rule
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 from the frequency range that mobile operator is supported 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 downlink 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 downlink signal.The LTE baseband processing units
Each band channels in the downlink signal are scanned and screened, according to all channel scanning as a result, 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 exterior 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 downlink signal and uplink 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 uplink signal is that antenna is inscribed using N × N formulas MIMO to connect
The received signal of communication sent from wireless subscriber terminal to base station.
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 amplification of multiband uplink
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 utility model embodiment illustrates the design of 2 passage intelligent straight placement stations, can support 2x2 formula MIMO works
Operation mode.RF_IN FEM and the RF_OUT FEM directly to discharge per road in road, are responsible for the combining of outwardly and inwardly direction amplified signal
Collect, 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 are made of sequentially connected RF switch, duplexer and wave filter, are responsible for separation or signal is penetrated in polymerization transmitting-receiving
And bandpass filtering is carried out, and RF_IN FEM and RF_OUT FEM designs can support FDD and TDD operating modes, 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 downlink letter according to the control instruction of the control circuit
Number and uplink signal in signal in addition to the optimal LTE channel bands, and the downlink of the optimal LTE channel bands is believed
Number input multiband downstream amplifier, N × N formulas MIMO is inputted by the uplink 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 downlink signal of frequency range is amplified according to the gain amplifier of dynamic adjustment, and amplified downlink signal is inputted the output
RF front-end circuit.
The output RF front-end circuit, for filtering out uplink signal and downlink according to the control instruction of the control circuit
Signal in signal in addition to the optimal LTE channel bands, and the uplink signal of the optimal LTE channel bands is inputted into institute
Multiband upstream amplifier is stated, the downlink signal of the optimal LTE channel bands is inputted 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 uplink signal of frequency range is amplified according to the gain amplifier of dynamic adjustment, and amplified uplink signal is inputted the input
RF front-end circuit.
The intelligent straight placement station that the utility model embodiment provides, believes according to the environment around equipment and existing 4G networks
Number, intelligently select to authorize the optimal LTE channel bands of operator to carry out stringent bandpass filtering Bi-directional amplifier instantly, and according to
The received signal strength of frequency range is selected, dynamic adjusts gain amplifier, realizes the real-time dynamic adjustment control of amplified frequency band and gain
Purpose, can flexibly be adapted to FDD the or TDD channel distributions of different operators, avoid too strong signal interference base station network, and can
Effectively lifting is through the amplified signal quality in repeater；The intelligent straight placement station that the utility model embodiment provides can solve well
Vast operator and medium-sized and small enterprises extend over problem to the insufficient region of 4G signals covering, are effectively ensured and extend over signal
Quality, and the required MIMO signal of 4G networks is provided and directly puts covering power；The intelligent straight placement station designed using the utility model,
With good versatility, the problem of equipment is installed can be greatly simplified, various applications and network environment is adapted to automatically, becomes real
Meet the intelligent straight placement station system of 4G demands, can be applied to the design application of LTE radio MIMOs repeater.
Lower mask body introduces a kind of communication means of intelligent straight placement station of the utility model embodiment offer, as shown in Fig. 2,
The described method includes：
Step S101, the downlink letter that RF coupler is sent using N × N formulas MIMO external antennas real-time reception from base station
Number, and the downlink signal is divided into 2 tunnels, wherein 1 road downlink signal input control circuit, in addition 1 road downlink 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 downlink and believe
Optimal LTE channel bands in number, and increased according to the signal strength 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
Downlink signal outside the preset frequency range of familyization is filtered, and filtered downlink signal is supplied to radio modem；
Radio modem in the control circuit is demodulated the downlink signal, and the downlink signal after demodulation is exported
Give LTE baseband processing units；Downlink 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 downlink signal, and according to described
The signal strength 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 downlink signal and uplink 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 uplink 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 downlink signal and uplink signal directly discharge on the N roads signal processing in road and
Signal flows to；
On downlink signal：
The input radio frequency front-end circuit that the N roads are directly discharged in road filters out downlink 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 downlink 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 downlink signal of optimal LTE channel bands is amplified according to the gain amplifier of dynamic adjustment, and by amplified downlink signal
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 downlink 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 uplink signal：
The output RF front-end circuit that the N roads are directly discharged in road filters out uplink 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 uplink 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 uplink signal of optimal LTE channel bands is amplified according to the gain amplifier of dynamic adjustment, and by amplified uplink signal
Input the input radio frequency front-end circuit；The input radio frequency front-end circuit is filtered out according to the control instruction of the control circuit
Signal in row signal in addition to the optimal LTE channel bands, and the uplink signal of the optimal LTE channel bands is inputted
N × N formulas MIMO external antennas, are 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 for the intelligent straight placement station that the utility model embodiment provides, according to the environment around equipment and existing
4G network signals, intelligently select to authorize the optimal LTE channel bands of operator to carry out that stringent bandpass filtering is two-way to be put instantly
Greatly, and according to the received signal strength of selection frequency range, dynamic gain amplifier is adjusted, realizes the real-time dynamic of amplified frequency band and gain
Adjustment control purpose, can flexibly be adapted to FDD the or TDD channel distributions of different operators, avoid too strong signal interference base station net
Network, and can effectively be lifted through the amplified signal quality in repeater.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (5)
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
Road is directly discharged on road and antenna is inscribed in N × N formulas MIMO；
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 downlink letter sent using N × N formulas MIMO external antennas real-time reception from base station
Number, and the downlink signal is divided into 2 tunnels, wherein 1 road downlink signal inputs the control circuit, in addition 1 road downlink signal is defeated
Enter connected straight electric discharge road；
The control circuit, for according to can the preset rule of customization detect and filter out in the downlink signal most in real time
Good LTE channel bands, and according to the signal strength 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 downlink signal and uplink 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 uplink signal is that antenna is inscribed using N × N formulas MIMO to 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 downlink signal and uplink signal according to the control instruction of the control circuit
In signal in addition to the optimal LTE channel bands, it is and the downlink signal input of the optimal LTE channel bands is described more
Frequency range downstream amplifier, by uplink 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
Downlink signal be amplified according to the gain amplifier of dynamic adjustment, and amplified downlink signal is inputted into the output radio frequency
Front-end circuit；
The output RF front-end circuit, for filtering out uplink signal and downlink signal according to the control instruction of the control circuit
In signal in addition to the optimal LTE channel bands, it is and the uplink signal input of the optimal LTE channel bands is described more
Frequency range upstream amplifier, inputs N × N formulas MIMO by the downlink signal of the optimal LTE channel bands and 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
Uplink signal be amplified according to the gain amplifier of dynamic adjustment, and amplified uplink signal 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：It is sequentially connected to penetrate
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
Downlink signal is filtered, and filtered downlink signal is supplied to the radio modem；
The radio modem, for being demodulated to the downlink signal, and by the downlink signal after demodulation export to
The LTE baseband processing units；
The LTE baseband processing units, for downlink 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 downlink 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：Sequentially connected RF switch, duplexer and wave filter.
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107623544A (en) * | 2017-07-27 | 2018-01-23 | 宽兆科技(深圳)有限公司 | A kind of intelligent straight placement station and the communication means based on intelligent straight placement station |
| CN113517918A (en) * | 2021-04-12 | 2021-10-19 | Tcl通讯（宁波）有限公司 | Signal amplification circuit and signal amplification handheld mobile device |
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2017
- 2017-07-27 CN CN201720925732.0U patent/CN207266020U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107623544A (en) * | 2017-07-27 | 2018-01-23 | 宽兆科技(深圳)有限公司 | A kind of intelligent straight placement station and the communication means based on intelligent straight placement station |
| CN107623544B (en) * | 2017-07-27 | 2024-02-20 | 宽兆科技(深圳)有限公司 | Intelligent repeater and communication method based on same |
| CN113517918A (en) * | 2021-04-12 | 2021-10-19 | Tcl通讯（宁波）有限公司 | Signal amplification circuit and signal amplification handheld mobile device |
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