CN201114016Y - Two-way signal amplifying device, receiving/emitting set - Google Patents
Two-way signal amplifying device, receiving/emitting set Download PDFInfo
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- CN201114016Y CN201114016Y CNU2007201816686U CN200720181668U CN201114016Y CN 201114016 Y CN201114016 Y CN 201114016Y CN U2007201816686 U CNU2007201816686 U CN U2007201816686U CN 200720181668 U CN200720181668 U CN 200720181668U CN 201114016 Y CN201114016 Y CN 201114016Y
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- transmission signals
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Abstract
The utility model discloses a bidirectional signal amplifying device, which comprises a signal amplifying unit, a switch control unit, a switch unit, wherein, the signal amplifying unit amplifies a signal; the switch control unit receives a state signal which comes from a receiving/transmitting device and represents receiving and transmitting of the receiving/transmitting device, determines a signal transmission direction according to the state signal, and then transmits a control signal to the switch unit; the switch unit receives the control signal from the switch control unit, receives a signal corresponding to the determined signal transmission direction, inputs the signal into an input end of the signal amplifying unit, and continuously transmits the signal outputted by the signal amplifying unit corresponding to the determined signal transmission direction. The utility model also discloses the receiving/transmitting device, comprising a signal processing unit and a transmitting unit, wherein, the signal processing unit generates a state signal which controls the amplifying direction of a downstream signal amplifying device according to the transmitting and receiving state of the receiving/transmitting device, and then transmits the state signal to the transmitting unit; and the transmitting unit receives the signal from the signal processing and then transmits the signal.
Description
Technical field
The utility model relates to technical field of data transmission, is meant a kind of two-way amplifying device especially
Background technology
In wired and transmission of wireless signals field, can grow the transmission and the equipment of distance and can correctly discern and handle in order to guarantee signal signal, need be in the signal transmission line of communication system the signalization amplifying device so that signal is amplified.In a communication system that comprises receiving terminal and transmitting terminal, one or more signal amplifying apparatus can be set.
Because general emitter all has receiving function simultaneously, so in another communication system, need signal amplifying apparatus to carry out two-way amplification.Usually realize all adopting the two-way amplification system in the two-way amplifying signal amplifying device, but, in a lot of outdoor high temperature environment, can't use because the equipment original paper is more, and equipment cost is very high, and power consumption is very big.
In order to reduce equipment cost and power consumption, in a kind of signal amplifying apparatus that is applied in the TD-SCDMA communication system, realized the technology of two-way amplification by a signal amplification circuit.In the prior art, at first obtain voltage signal according to the radiofrequency signal of base station with its variable power by wave detector, again according to the special time slot structure of signal transmission in this voltage signal and the TD-SCDMA system, determine the downlink transfer time and the downlink transfer time of signal, and amplify direction by the signal of switch control unit status signal amplifying device.
Above-mentioned signal amplifying apparatus only can be applied in the TD-SCDMA system, otherwise can't judge side signal transmission to, so its application scenario is very limited; And, cause the cost of signal amplifying apparatus higher owing to need carry out a large amount of computings according to voltage signal and signal transmission special time slot structure.
In addition, in R﹠D process, find, when the frequency f 1 of two reception/dispensing devices of communication system is identical with f2 or close, above-mentioned signal amplifying apparatus be difficult to according to signal power judge side signal transmission to, the accuracy that causes above-mentioned signal amplifying apparatus direction to be judged reduces greatly, has caused a large amount of misplacing greatly.
The utility model content
In view of this, the utility model provides a kind of two-way amplifying device, a kind of reception/emitter, and the applied field that can increase two-way amplifying device merges the accuracy that improves two-way amplifying device travel direction amplification in the signals transmission.
The two-way signaling amplifying device that the utility model provides comprises: signal amplification unit, switch control unit and switch element; Wherein:
Signal amplification unit amplifies signal;
Switch control unit receives the status signal from external piloting control equipment, according to this status signal determine side signal transmission to, and according to this side signal transmission to, send control signal to switch element;
Switch element receives the control signal from switch control unit, receive corresponding to described side signal transmission to signal, import the input of described signal amplification unit; And, transmit to continuation corresponding to described side signal transmission with the signal that described signal amplification unit is exported.
May further include in the above-mentioned switch control unit: splitter and status signal detecting unit;
Described splitter, reception is from the transmission signals of external piloting control equipment, and this transmission signals transferred to described status signal detecting unit and described signal amplification unit respectively, comprise status signal in the described transmission signals, or comprise status signal and other transmission signals;
Described status signal detecting unit, from described transmission signals, obtain status signal, and judge the state of main control device according to this status signal, when detecting described main control device when being in emission state, send control signal and control described switch element, and output to the input of signal amplification unit from described main control device direction reception transmission signals; When detecting described main control device when being in non-emission state, send control signal and control described switch element and receive transmission signals, and be transferred to the input of signal amplification unit from the direction opposite with described main control device.
Above-mentioned status signal detecting unit can be realized by wave detector;
Described wave detector is according to amplitude, phase place or the frequency of reception transmission signals, from transmission signals, detect status signal, and according to the state of the frequency detecting main control device of status signal, when detecting described main control device when being in emission state, control described switch element and receive transmission signals, and output to the input of signal amplification unit from described main control device direction; When detecting described main control device when being in non-emission state, control described switch element and receive transmission signals, and be transferred to the input of signal amplification unit from the direction opposite with described main control device.
Above-mentioned status signal detecting unit also can be realized by demodulator;
Described demodulator carries out demodulation to the signal that is received, obtain described status signal at specific time slot, and when judging that according to this status signal described main control device is in emission state, control described switch element and receive transmission signals, and output to the input of signal amplification unit from described main control device direction; When detecting described main control device when being in non-emission state, control described switch element and receive transmission signals, and be transferred to the input of signal amplification unit from the direction opposite with described main control device.
Reception/emitter that the utility model provides comprises: signal processing unit and transmitting element;
Described signal processing unit according to the emission accepting state of described reception/emitter, generates control downstream signal amplifying device and amplifies the status signal of direction, sends this status signal to transmitting element;
Described transmitting element receives signal and transmission from described signal processing unit.
Can comprise in the above-mentioned signal processing unit: status signal generation unit and signal synthesis unit;
Described system signal generation unit, the emission accepting state current according to described reception/emitter generates control downstream signal amplifying device and amplifies the status signal of direction, and this status signal is sent to described signal synthesis unit;
Described signal synthesis unit, receive described status signal, and receive the transmission signals that receptions/emitter will be transmitted to opposite equip., described status signal and described transmission signals are synthesized one road transmission signals, and the transmission signals after transmitting this and synthesizing is to transmitting element.
Above-mentioned signal synthesis unit also can comprise: modulator and mixer;
Described modulator receives the status signal from the status signal generation unit, and this status signal is carried out the modulation treatment of amplitude modulation, phase modulation or frequency modulation, and the status signal after will modulating then sends described mixer to;
Described mixer, receive the status signal after the described modulation, and receive the transmission signals that receptions/emitter will be transmitted to opposite equip., described status signal and described transmission signals are synthesized one road transmission signals, and the transmission signals after transmitting this and synthesizing is to transmitting element.
Above-mentioned signal synthesis unit can be the time slot processing unit, receive described status signal, and reception reception/emitter will be transmitted to the transmission signals of opposite equip., described status signal is arranged in the particular time-slot of described transmission signals, thereby synthesize one road transmission signals, and transmit this transmission signals after synthetic to transmitting element.
By such scheme as can be seen, in the utility model, reception/emitter is according to the emission accepting state of self, generate status signal, and send to signal amplifying apparatus, signal amplifying apparatus determines to amplify direction according to this status signal, and according to this amplification direction received signal and carry out the amplification of signal, thereby can use the utility model scheme in any occasion, increase the application scenario of two-way amplifying device, and owing to need not to carry out power detection, thereby improve the accuracy that two-way amplifying device travel direction amplifies in the signals transmission.
Description of drawings
Fig. 1 is the composition schematic diagram of the utility model first embodiment;
Fig. 2 is the composition schematic diagram of the utility model second embodiment;
Fig. 3 is the synthetic schematic diagram of a kind of signal of reception/emitter among the utility model second embodiment;
Fig. 4 is corresponding described Fig. 3 signal decomposition schematic diagram in signal amplifying apparatus;
Fig. 5 is the composition schematic diagram of the switch element in the utility model signal amplifying apparatus.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model is described in further detail below in conjunction with accompanying drawing.
In communication system, transmission/reception is to send or receive according to own current state, generates the status signal of expression oneself state, and sends this status signal in the utility model; Receive the signal amplifying apparatus of this status signal, according to this status signal determine side signal transmission to, and from this side signal transmission to received signal and amplify.
As shown in Figure 1, among the utility model first embodiment, specifically comprise signal processing unit and transmitting element in the above-mentioned sending and receiving apparatus; Wherein, signal processing unit according to the emission accepting state of above-mentioned reception/emitter, generates control downstream signal amplifying device and amplifies the status signal of direction, sends this status signal to transmitting element; Transmitting element receives status signal and transmission from above-mentioned signal processing unit.
Corresponding, specifically can comprise in the above-mentioned signal amplifying apparatus: signal amplification unit, switch control unit and switch element; Wherein, signal amplification unit amplifies signal; Switch control unit receives the status signal from its reception/emission state of expression of reception/emitter, according to this status signal determine side signal transmission to, and according to this side signal transmission to, send control signal to switch element; Switch element receives the control signal from switch control unit, receive corresponding to above-mentioned side signal transmission to signal, import the input of above-mentioned signal amplification unit; And, transmit to continuation corresponding to above-mentioned side signal transmission with the signal that above-mentioned signal amplification unit is exported.
In signal amplifying apparatus, the side signal transmission that switch control unit is determined according to the status signal that receives to, may be transmit direction corresponding to the reception/emitter of transmit status signal, also may be receive direction.After then switch element received control signal, the control signal amplifying unit received transmission signals from determined transmit direction or receive direction, and continued transmission signals along the transmit direction that should determine or receive direction.
In the present embodiment, the above-mentioned status signal that sends to signal amplifying apparatus can be independent of other transmission signals independent transmission, as by a transmission line independently, thereby signal amplifying apparatus can directly receive this status signal, and determines the state of reception/emitter according to it.
Among present embodiment and following each embodiment, after signal amplifying apparatus receives status signal, can also continue status signal is transferred to the downstream signal amplifying device, the downstream signal amplifying device still have with present embodiment in the identical structure of above-mentioned signal amplifying apparatus, thereby thereby also can be according to determining that from the status signal of reception/transmitter side signal transmission is to carrying out correct processing and amplifying.
In addition, among present embodiment and following each embodiment, in the communication system that comprises above-mentioned reception/transmitter and signal amplifying apparatus, above-mentioned reception transmitter is a main control device, generate status signal by it, and the amplification direction of control signal amplifying device, another reception/transmitter is still carried out and the existing identical processing of reception/transmitter, only carry out signal reception and signal emission, do not carry out control signal amplifying apparatus.
As shown in Figure 2, be the schematic diagram of the utility model second embodiment.
As can be seen from Figure 2, in the present embodiment, specifically comprise in the signal processing unit of reception/emitter: status signal generation unit and signal synthesis unit.
Wherein, the status signal generation unit, the emission accepting state current according to reception/emitter generates control downstream signal amplifying device and amplifies the status signal of direction, and this status signal is sent to signal synthesis unit; Signal synthesis unit, receive above-mentioned status signal, and the reception/emitter that receives its place will be transmitted to the transmission signals of opposite equip., and above-mentioned status signal and said transmission signal are synthesized one road transmission signals, and transmits this transmission signals after synthetic to transmitting element.
Transmission signals after the transmitting element of reception/emitter, reception synthesize from above-mentioned signal synthesis unit also sends.
And comprise in the switch control unit in the signal amplifying apparatus: splitter and status signal detecting unit; Wherein, splitter receives the transmission signals from reception/emitter transmitting element, and this transmission signals is transferred to above-mentioned status signal detecting unit and above-mentioned signal amplification unit respectively; Above-mentioned status signal detecting unit, from said transmission signal, obtain status signal, and judge the state of reception/emitter according to this status signal, when detecting above-mentioned reception/emitter when being in emission state, control the transmit direction reception transmission signals of above-mentioned switch element, and output to the input of signal amplification unit from above-mentioned reception/emitter; When detecting above-mentioned reception/emitter when being in non-emission state, control above-mentioned switch element and receive transmission signals, and be transferred to the input of signal amplification unit from receive direction with above-mentioned reception/emitter.
Signal amplification unit in the signal amplifying apparatus amplifies signal.
Switch element in the signal amplifying apparatus receives the control signal from switch control unit, receive corresponding to above-mentioned side signal transmission to signal, import the input of above-mentioned signal amplification unit; And, transmit to continuation corresponding to above-mentioned side signal transmission with the signal that above-mentioned signal amplification unit is exported.
In the present embodiment, the transmission signals that signal synthesis unit will send status signal and reception/transmitter synthesizes one road transmission signals can following several mode:
In first kind of mode, signal synthesis unit comprises: modulator and mixer; Wherein, said modulator receives the status signal from the status signal generation unit, and this status signal is carried out the modulation treatment of amplitude modulation, phase modulation or frequency modulation, and the status signal after will modulating then sends above-mentioned mixer to; Above-mentioned mixer receives the status signal after the above-mentioned modulation, and the reception/emitter that receives its place will be transmitted to the transmission signals of opposite equip., above-mentioned status signal and said transmission signal are synthesized one road transmission signals, and transmit this transmission signals after synthetic to transmitting element.For example, in this mode, as shown in Figure 3, in reception/emitter, above-mentioned status signal is modulated to the f3 frequency by frequency modulation, this f3 frequency is away from the frequency transmission signal f1 and the f2 of two reception/transmitters in the communication system, mixer is that f3 and frequency are after the transmission signals of f1 or f2 synthesizes one road transmission signals and sends with frequency, as shown in Figure 4, the device that receives this transmission signals can be that the input of f3 is come out with frequency by splitter and wave detector at an easy rate, thereby can determine the state of reception/emitter according to this signal, not influence the transmission of other transmission signals.
In the second way, above-mentioned signal synthesis unit is the time slot processing unit, this unit receives the status signal from the status signal generation unit, and the reception/emitter that receives its place will be transmitted to the transmission signals of opposite equip., above-mentioned status signal is arranged in the particular time-slot of this transmission signals that will be transmitted to opposite equip., thereby synthesize one road transmission signals, and transmit this transmission signals after synthetic to transmitting element.
Above-mentioned two kinds of different synthesis modes, the signal amplifying apparatus side also corresponding different processing modes, be specially:
To above-mentioned first kind of synthesis mode, in signal amplifying apparatus, the status signal detecting unit is realized by wave detector; Above-mentioned wave detector is according to amplitude, phase place or the frequency of reception transmission signals, from transmission signals, detect status signal, and determine the state of reception/emitter according to status signal, when detecting above-mentioned reception/emitter when being in emission state, control above-mentioned switch element and receive transmission signals, and output to the input of signal amplification unit from above-mentioned reception/emitter direction; When detecting above-mentioned reception/emitter when being in non-emission state, control above-mentioned switch element and receive transmission signals, and be transferred to the input of signal amplification unit from receive direction with above-mentioned reception/emitter.
To above-mentioned second kind of synthesis mode, in signal amplifying apparatus, the status signal detecting unit is realized by demodulator; Above-mentioned demodulator carries out demodulation to the transmission signals that is received, obtain above-mentioned status signal at specific time slot, and determine the state of above-mentioned reception/emitter according to this status signal, when determining when being in emission state, control the transmit direction reception transmission signals of above-mentioned switch element, and output to the input of signal amplification unit from above-mentioned reception/emitter; When determining out above-mentioned reception/emitter and be in non-emission state, control above-mentioned switch element and receive transmission signals, and be transferred to the input of signal amplification unit from receive direction with above-mentioned reception/emitter.
In the various embodiments described above, the composition of the switch element in the signal amplifying apparatus can be as shown in Figure 5, wherein, splitter carries out shunt to signal, wherein one the road is directly inputted to switch element, and one the tunnel is input to wave detector, and wave detector detects status signal, and the corresponding control signal that generates is come control switch K1, K2.As shown in Figure 5, if K1 is downward, K2 upwards then realizes from X to the Y direction, and promptly the signal as the transmit direction of the reception/transmitter of main control device amplifies; If K1 upwards, K2 is downward, then realizes Y to directions X, and promptly the signal as the receive direction of the reception/transmitter of main control device amplifies.
More than be explanation, in concrete implementation process, can carry out suitable improvement, to adapt to the concrete needs of concrete condition method of the present utility model to the utility model specific embodiment.Therefore be appreciated that according to embodiment of the present utility model just to play an exemplary role, not in order to limit protection range of the present utility model.
Claims (8)
1, a kind of two-way signaling amplifying device is characterized in that, this device comprises: signal amplification unit, switch control unit and switch element; Wherein:
Signal amplification unit amplifies signal;
Switch control unit receives the status signal from its reception emission state of expression of receptions/emitter, according to this status signal determine side signal transmission to, and according to this side signal transmission to, send control signal to switch element;
Switch element receives the control signal from switch control unit, receive corresponding to described side signal transmission to signal, import the input of described signal amplification unit; And, transmit to continuation corresponding to described side signal transmission with the signal that described signal amplification unit is exported.
2, device according to claim 1 is characterized in that, comprises in the described switch control unit: splitter and status signal detecting unit;
Described splitter, reception is from the transmission signals of reception/emitter, and this transmission signals transferred to described status signal detecting unit and described signal amplification unit respectively, comprise status signal in the described transmission signals, or comprise status signal and other transmission signals;
Described status signal detecting unit, from described transmission signals, obtain status signal, and judge the state of reception/emitter according to this status signal, when detecting described reception/emitter when being in emission state, control the transmit direction reception transmission signals of described switch element, and output to the input of signal amplification unit from described reception/emitter; When detecting described reception/emitter when being in non-emission state, control described switch element and receive transmission signals, and be transferred to the input of signal amplification unit from receive direction with described reception/emitter.
3, device according to claim 2 is characterized in that, described status signal detecting unit is realized by wave detector;
Described wave detector is according to amplitude, phase place or the frequency of reception transmission signals, from transmission signals, detect status signal, and determine the state of reception/emitter according to status signal, when detecting described reception/emitter when being in emission state, control the transmit direction reception transmission signals of described switch element, and output to the input of signal amplification unit from described reception/emitter; When detecting described reception/emitter when being in non-emission state, control described switch element and receive transmission signals, and be transferred to the input of signal amplification unit from receive direction with described reception/emitter.
4, device according to claim 2 is characterized in that, described status signal detecting unit is realized by demodulator;
Described demodulator carries out demodulation to the signal that is received, obtain described status signal at specific time slot, and determine the state of described reception/emitter according to this status signal, when determining when being in emission state, control the transmit direction reception transmission signals of described switch element, and output to the input of signal amplification unit from described reception/emitter; When determining described reception/emitter and be in non-emission state, control described switch element and receive transmission signals, and be transferred to the input of signal amplification unit from receive direction with described reception/emitter.
5, a kind of reception/emitter is characterized in that, this device comprises: signal processing unit and transmitting element;
Described signal processing unit according to the emission accepting state of described reception/emitter, generates control downstream signal amplifying device and amplifies the status signal of direction, sends this status signal to transmitting element;
Described transmitting element receives signal and transmission from described signal processing unit.
6, reception/emitter according to claim 5 is characterized in that, comprises in the described signal processing unit: status signal generation unit and signal synthesis unit;
Described status signal generation unit, the emission accepting state current according to described reception/emitter generates control downstream signal amplifying device and amplifies the status signal of direction, and this status signal is sent to described signal synthesis unit;
Described signal synthesis unit, receive described status signal, and receive the transmission signals that receptions/emitter will be transmitted to opposite equip., described status signal and described transmission signals are synthesized one road transmission signals, and the transmission signals after transmitting this and synthesizing is to transmitting element.
7, reception/emitter according to claim 6 is characterized in that, described signal synthesis unit comprises: modulator and mixer;
Described modulator receives the status signal from the status signal generation unit, and this status signal is carried out the modulation treatment of amplitude modulation, phase modulation or frequency modulation, and the status signal after will modulating then sends described mixer to;
Described mixer, receive the status signal after the described modulation, and receive the transmission signals that receptions/emitter will be transmitted to opposite equip., described status signal and described transmission signals are synthesized one road transmission signals, and the transmission signals after transmitting this and synthesizing is to transmitting element.
8, reception/emitter according to claim 6, it is characterized in that, described signal synthesis unit is the time slot processing unit, receive described status signal, and receive the transmission signals that described reception/emitter will be transmitted to opposite equip., described status signal is arranged in the particular time-slot of described transmission signals, thereby synthesizes one road transmission signals, and transmit this transmission signals after synthetic to transmitting element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNU2007201816686U CN201114016Y (en) | 2007-10-19 | 2007-10-19 | Two-way signal amplifying device, receiving/emitting set |
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2007201816686U CN201114016Y (en) | 2007-10-19 | 2007-10-19 | Two-way signal amplifying device, receiving/emitting set |
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| CN201114016Y true CN201114016Y (en) | 2008-09-10 |
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| CNU2007201816686U Expired - Fee Related CN201114016Y (en) | 2007-10-19 | 2007-10-19 | Two-way signal amplifying device, receiving/emitting set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103843257A (en) * | 2012-07-11 | 2014-06-04 | 株式会社Ntt都科摩 | Front-end circuit, impedance adjustment method |
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2007
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103843257A (en) * | 2012-07-11 | 2014-06-04 | 株式会社Ntt都科摩 | Front-end circuit, impedance adjustment method |
| CN103843257B (en) * | 2012-07-11 | 2015-05-06 | 株式会社Ntt都科摩 | Front-end circuit, impedance adjustment method |
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