CN107819483A - Signal transmitting apparatus and its test equipment, repeater communication equipment - Google Patents
Signal transmitting apparatus and its test equipment, repeater communication equipment Download PDFInfo
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- CN107819483A CN107819483A CN201711064233.8A CN201711064233A CN107819483A CN 107819483 A CN107819483 A CN 107819483A CN 201711064233 A CN201711064233 A CN 201711064233A CN 107819483 A CN107819483 A CN 107819483A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0408—Circuits with power amplifiers
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Relay Systems (AREA)
- Mobile Radio Communication Systems (AREA)
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Abstract
The present invention relates to a kind of signal transmitting apparatus and its test equipment, repeater communication equipment, above-mentioned signal transmitting apparatus to include：Radio-frequency interface circuit, power amplifier module, low noise amplification module, and signal transmitting and receiving chip；Each radio-frequency transmissions end of signal transmitting and receiving chip connects the signal receiving end of power amplifier module respectively, form signal transmission channel, each radio frequency reception end of signal transmitting and receiving chip connects the signal sending end of low noise amplification module respectively, form signal receiving channel, each corresponding signal receiving channel of signal transmission channel, signal transmission channel transmit a kind of radiofrequency signal with signal receiving channel；Low noise amplification module is by the radio signal transmission of reception to signal transmitting and receiving chip；The signal transmitting and receiving chip sends radiofrequency signal to power amplifier module, and the radiofrequency signal to being received is digitized processing and obtains data signal output；The power amplifier module is exported the radiofrequency signal of reception by the radio-frequency interface circuit.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of signal transmitting apparatus and its test equipment, repeater
Communication equipment.
Background technology
At present, conventional digital high-frequency amplification station (such as digital long-drawn repeater) main frame is varied, digital high-frequency amplification station master
To include near-end machine and remote termination, the signal transmitting apparatus for carrying out signal transmitting and receiving to the signal of communication of digital high-frequency amplification station is near
The important component of these repeater communication equipments of terminal or remote termination.
The signal transmitting apparatus of repeater communication equipment mainly realizes the transmitting-receiving of signal of communication using single signalling channel,
When in face of different types of signal of communication, it may be necessary to the switching of signal transmitting apparatus is carried out, to realize that different type communicates
The transmission of signal, the complexity for easily transmitting signal are high.
The content of the invention
Based on this, it is necessary to easily make the high technical problem of the complexity of signal transmission for traditional scheme, there is provided a kind of
Signal transmitting apparatus and its test equipment, repeater communication equipment.
A kind of signal transmitting apparatus, including：Radio-frequency interface circuit, power amplifier module, low noise amplification module, and tool
There is the signal transmitting and receiving chip at multiple radio-frequency transmissions ends and radio frequency reception end；
The power amplifier module is provided with multiple signal receiving ends, and the low noise amplification module is sent provided with multiple signals
End；
Each radio-frequency transmissions end of the signal transmitting and receiving chip connects the signal receiving end of the power amplifier module respectively,
Signal transmission channel is formed, each radio frequency reception end of the signal transmitting and receiving chip connects the signal of low noise amplification module respectively
Transmitting terminal, form signal receiving channel, the corresponding signal receiving channel of each signal transmission channel, the signal transmission channel
A type of radiofrequency signal is transmitted with corresponding signal receiving channel；
The low noise amplification module transmits the external radio-frequency signal that radio-frequency interface circuit receives to signal transmitting and receiving chip；
The signal transmitting and receiving chip is sent radiofrequency signal to power amplifier module by signal transmission channel, and to being connect
The radiofrequency signal of receipts is digitized processing and obtains data signal output；
The power amplifier module is exported the radiofrequency signal of reception by the radio-frequency interface circuit.
Above-mentioned signal transmitting apparatus, multiple signal transmittings can be formed between signal transmitting and receiving chip and power amplifier module
Passage, multiple signal receiving channels are formed between signal transmitting and receiving chip and low noise amplification module, and the transmitting of each signal is logical
Road is respectively provided with corresponding signal receiving channel, above-mentioned signal transmitting apparatus is had multigroup signal transmission passage, can be right respectively
The radiofrequency signal of polymorphic type is transmitted accordingly, reduces the complexity that signal transmitting apparatus carries out inhomogeneity communication signal transmissions
Degree, additionally it is possible to the signal of communication chain in separate frequency bands is integrated, different Integration Modes is realized by building different modules, subtracts
The size of repeater communication equipment (such as near-end machine or remote termination) where few signal transmitting apparatus, and do not influence the said equipment
Signal chains performance.
A kind of test equipment of signal transmitting apparatus, including measuring signal generator and measuring and analysing meter；
The measuring signal generator connects the radio-frequency interface circuit of above-mentioned signal transmitting apparatus, and the measuring and analysing meter connects
Connect the baseband interface circuit of above-mentioned signal transmitting apparatus；
The measuring signal generator produces test signal, and the test signal is inputted by the radio-frequency interface circuit
The signal transmitting apparatus；
The measuring and analysing meter obtains data signal of the signal transmitting apparatus by baseband interface circuit output, described in identification
The signal parameter of data signal, test result is obtained according to the signal parameter.
The test equipment of above-mentioned signal transmitting apparatus, phase can be carried out to the communication signal transmissions function of signal transmitting apparatus
The test answered, its communication failure in signals transmission is detected and handled accordingly in time, is further ensured that
The job stability of signal transmitting apparatus.
A kind of repeater communication equipment, including above-mentioned signal transmitting apparatus；
The antennal interface of the repeater communication equipment connects the radio frequency interface of the signal transmitting apparatus, the repeater
The main control unit of communication equipment connects the baseband signal end of signal transmitting and receiving chip in the signal transmitting apparatus.
Above-mentioned repeater communication equipment, communication signal transmissions are carried out using signal transmitting apparatus, it is more that its transmission can be reduced
The complexity of type communication signal.
Brief description of the drawings
Fig. 1 is the signal transmitting apparatus structural representation of one embodiment；
Fig. 2 is the signal transmitting apparatus structural representation of one embodiment；
Fig. 3 is the signal transmitting apparatus structural representation of one embodiment；
Fig. 4 is the signal transmitting apparatus structural representation of one embodiment；
Fig. 5 is the clock chip operating diagram of one embodiment；；
Fig. 6 is the signal transmitting apparatus structural representation of one embodiment；；
Fig. 7 is the test equipment structural representation of the signal transmitting apparatus of one embodiment；
Fig. 8 is the test equipment structural representation of the signal transmitting apparatus of one embodiment；
Fig. 9 is the combining test flow chart of one embodiment；
Figure 10 is the repeater communication apparatus construction schematic diagram of one embodiment.
Embodiment
Below in conjunction with the accompanying drawings to signal transmitting apparatus provided by the invention and its test equipment, the tool of repeater communication equipment
Body embodiment is described in detail.
With reference to shown in figure 1, Fig. 1 is the signal transmitting apparatus structural representation of one embodiment, including：Radio-frequency interface circuit
11st, power amplifier module 12, low noise amplification module 13, and the signal with multiple radio-frequency transmissions ends and radio frequency reception end are received
Send out chip 14；
The power amplifier module 12 is provided with multiple signal receiving ends, and the low noise amplification module 13 is provided with multiple signals
Transmitting terminal；
As described in each radio-frequency transmissions end (such as chip AD937X TX pins) of the signal transmitting and receiving chip 14 connects respectively
The signal receiving end of power amplifier module 12, form signal transmission channel, each radio frequency reception of the signal transmitting and receiving chip 14
Hold (such as chip AD937X RX pins) to connect the signal sending end of low noise amplification module 13 respectively and form multiple signals receptions
Passage, the corresponding signal receiving channel of each signal transmission channel, the signal transmission channel receives logical with corresponding signal
Transmit a kind of a type of radiofrequency signal (or signal of communication of standard) in road；
The low noise amplification module 13 transmits the external radio-frequency signal that radio-frequency interface circuit 11 receives to signal transmitting and receiving
Chip 14；
The signal transmitting and receiving chip 14 is sent radiofrequency signal to power amplifier module 12 by signal transmission channel, and right
The radiofrequency signal received is digitized processing and obtains data signal output；
The power amplifier module 12 is exported the radiofrequency signal of reception by the radio-frequency interface circuit 11.
Above-mentioned power amplifier module 12 has multiple signal receiving ends, and each signal receiving end has corresponding signal respectively
Output end and coupled end, it is multi-channel power amplification module；Low noise amplification module 13 has multiple signal sending ends, Ge Gexin
Number transmitting terminal has corresponding signal receiving end, is multichannel low noise amplification module, above-mentioned signal transmitting and receiving chip 14 it is each
Radio-frequency transmissions end connects a signal receiving end of power amplifier module 12, i.e. radio-frequency transmissions end and signal receiving end one by one respectively
Corresponding connection, forms multiple signal transmission channels, each radio frequency reception end of signal transmitting and receiving chip 14 connects low noise and put respectively
One signal sending end of big module 13, i.e. signal sending end connect one to one with letter radio frequency reception end, form multiple signals
Receiving channel；Any one above-mentioned signal transmission channel be respectively provided with corresponding to signal receiving channel, signal transmission channel and its right
The signal receiving channel answered forms one group of signal transmission passage, can transmit the radiofrequency signal of a certain type, thus above-mentioned signal
The multigroup signal transmission passage formed between transceiving chip 14 and power amplifier module 12, low noise amplification module 13 is in face of more
During the signal of communication of type, it is only necessary to the switching of signal transmission passage is carried out, the transmission of different type signal of communication can be realized,
The complexity of digital long-drawn repeater transmission polymorphic type signal of communication where effectively reducing it.
Specifically, above-mentioned signal transmitting and receiving chip 14 can use ADI ultra wide band integrated chips AD937X series to realize；Upper
State in signal transmitting and receiving chip 14, the radiofrequency signal of reception can be converted to corresponding data signal, above-mentioned signal transmitting and receiving chip
14 can support that analog voltage provides and analog voltage detects, to obtain every signal of radiofrequency signal in power amplifier module
Parameter.Above-mentioned power amplifier module 12 can support maximum 20W (watt) output, support 60MHz (megahertz) bandwidth signal, support
50db (decibel) gain amplification output, can be built by these chips of BGU8051, BLF8G27-10, BLF6G10-45 come real
It is existing, to ensure corresponding power amplification effect.Above-mentioned low noise amplification module 13 can support 35db to amplify, and can use
The chips such as SGU8051 and SKY65015 are realized, to ensure corresponding LNA effect.Above-mentioned radio-frequency interface circuit 11 is above-mentioned letter
The external radio frequency interface of number transmitting device, N heads can be used to realize.
As one embodiment, signal transmitting and receiving chip 14 can support Receiving and separate gain to adjust (receiving portion
Share local oscillator), two-way transmitting and separate gain regulation (emitting portion shares local oscillator), correspondingly, above-mentioned power amplifier module
12 and low noise amplification module 13 can support that (i.e. power amplifier module 12 includes two signal receiving ends, low noise to binary channels
Sound amplification module 13 includes two signal sending ends), now, above-mentioned signal transmitting and receiving chip 14 and power amplifier module 12, low noise
Two signal transmission passages for possessing separate gain regulatory function can be formed between sound amplification module 13；Above-mentioned signal transmitting and receiving core
Piece 14 can support the discrete reception of feedback channel and gain-adjusted, be fed back by above-mentioned feedback channel receiving power amplification module 12
The component of signal such as coupled signal.
Signal transmitting apparatus provided by the invention, it can be formed between signal transmitting and receiving chip 14 and power amplifier module 12
Multiple signal transmission channels, multiple signal receiving channels are formed between signal transmitting and receiving chip 14 and low noise amplification module 13,
And each signal transmission channel is respectively provided with corresponding signal receiving channel, makes above-mentioned signal transmitting apparatus that there is multigroup signal to transmit
Passage, the radiofrequency signal of polymorphic type can accordingly be transmitted respectively, reduce signal transmitting apparatus progress inhomogeneity and lead to
Believe the complexity of signal transmission, additionally it is possible to the signal of communication chain in separate frequency bands is integrated, realized by building different modules
Different Integration Modes, the size of repeater communication equipment (such as near-end machine or remote termination) where reducing signal transmitting apparatus,
The signal chains performance of the said equipment is not influenceed again.
In one embodiment, with reference to shown in figure 2, above-mentioned signal transmitting apparatus, baseband interface circuit 15 can also be included,
The baseband interface circuit 15 is connected to the baseband signal end of signal transmitting and receiving chip 14 and the main control unit of repeater communication equipment
Between；
The baseband interface circuit 15 is by the digital data transmission that signal transmitting and receiving chip exports to repeater communication equipment
Main control unit.
Specifically, above-mentioned baseband interface circuit 15 can set high-speed transfer passage and low speed transmissions passage, above-mentioned numeral
Signal can include digital signal data and digital control data, can pass through above-mentioned high-speed transfer channel transfer data signal number
According to ensure the efficiency of transmission of digital signal data, passing through the relatively simple digital control number of above-mentioned low speed transmissions channel transfer
According to ensure the order and stability in transmitting procedure.
In this implementation, signal transmitting and receiving chip 14 be digitized processing caused by data signal can pass through baseband interface
Circuit 15 is sent to the main control unit of repeater communication equipment, makes corresponding signal transmitting apparatus timely to repeater communication equipment
The signal of communication of its reception is transmitted, to ensure fairness that signal of communication is accordingly transmitted in above-mentioned signal transmitting apparatus.
As one embodiment, put as shown in figure 3, the control terminal of above-mentioned signal transmitting and receiving chip 14 can connect power respectively
Control terminal, the control terminal of low noise amplification module 13 of big module 12；
The signal transmitting and receiving chip 14 is when carrying out the transmitting-receiving work of radiofrequency signal, respectively to the power amplifier module 12
Control terminal and low noise amplification module 13 control terminal send control signal, control the power amplifier module 12 and low noise
Amplification module 13 enters working condition.
The control terminal of above-mentioned signal transmitting and receiving chip 14 connects the control terminal of power amplifier module 12, low noise amplification mould respectively
The control terminal of block 13, corresponding signal amplification work is carried out needing above-mentioned power amplifier module 12 and low noise amplification module 13
When, signal transmitting and receiving chip 14 can be with related to the control terminal transmission of low noise amplification module 13 to power amplifier module 12 respectively
The control signals such as level signal control power amplifier module 12 and low noise amplification module 13 to enter working condition.Alternatively, on
Stating signal transmitting and receiving chip 14 can also control power amplifier module 12 to carry out grid voltage detection and power detection etc. by its control terminal
Detect work.
As one embodiment, as shown in figure 3, the main control unit of repeater communication equipment where above-mentioned signal transmitting apparatus
51 can connect control terminal, the control terminal of power amplifier module 12 of transceiving chip 14 respectively by above-mentioned baseband interface circuit 15
And the control terminal of low noise amplification module 13.Main control unit 51 can be by above-mentioned baseband interface circuit 15 respectively to transceiving chip
The control terminal of 14 control terminal, the control terminal of power amplifier module 12 and low noise amplification module 13 sends control signal, control
Above-mentioned signal transmitting and receiving chip 14, power amplifier module 12 and low noise amplification module 13 enter working condition.
In one embodiment, with reference to shown in figure 4, above-mentioned signal transmitting apparatus, clock chip 21 can also be included, it is described
The first end of clock chip 21 connects the main control unit of repeater communication equipment, and the second end connection signal of the clock chip 21 is received
Send out the clock end of chip 14, the 3rd clock end of the end group with interface circuit of the clock chip 21；
The clock chip 21 obtains reference clock from the main control unit, is received the signal according to the reference clock
The data signal of hair chip is mutually made an uproar optimization, and reference clock is fixed with clocked sequential is exported using zero-lag function, goes back root
Clock alignment processing is carried out to the data signal at baseband interface circuit according to the reference clock.
The clock chip 21 that the present embodiment is provided can be from the near-end machine where signal transmitting apparatus or remote termination etc.
The main control unit of repeater communication equipment obtains reference clock, with optimization of mutually being made an uproar to signal transmitting apparatus, sequential fixation with
And clock alignment isochronon optimization processing, it is ensured that signal transmitting apparatus and the near-end machine or the clock of remote termination where it
It is homologous, carry out clock chip lock phase, there is provided the operating reference clock of excellent performance, ensure the uniformity of related work sequential, enter
And improve the quality for the signal of communication that the repeater such as respective proximal machine or remote termination communication equipment is received.
As one embodiment, above-mentioned clock chip can use LMK04828 to realize, the operating diagram of clock chip
It may be referred to shown in Fig. 5, as shown in figure 5, above-mentioned clock chip can be connected to the main control unit of corresponding repeater communication equipment
Between signal transmitting apparatus, clock chip obtains reference clock from main control unit, and by its own clock and main control unit
Clock carry out registration process, with accurate calibration its carry clock, then optimization of mutually being made an uproar to above-mentioned signal transmitting apparatus, when
Sequence is fixed and clock alignment isochronon optimization processing, the reference clock high-quality transmission of relatively long distance can be realized, using zero
The accurate time-delay alignment that data are transmitted in corresponding signal transmitting device is realized in delay feature and sequential fine setting.Above-mentioned clock chip
Reference clock can be produced using clock recovery mode, can reach optimization clock mutually make an uproar, improve signal of communication performance mesh
's.
In one embodiment, with reference to shown in figure 6, each signal receiving end of above-mentioned power amplifier module 12 has respectively
Corresponding signal output part and coupled end, each coupled end connect the feedback reception end of the signal transmitting and receiving chip 14 respectively；
The power amplifier module 12 obtains coupled signal from the radiofrequency signal of signal output part, by the coupled signal
Signal transmitting and receiving chip 14 is fed back to by coupled end corresponding to the signal receiving end；The radiofrequency signal of above-mentioned signal output part is work(
Radiofrequency signal after the amplification of rate amplification module 12；
The signal transmitting and receiving chip 14 is by the coupled signal and the base band downstream signal of reception to sending next time
Similar radiofrequency signal carry out pre-distortion.
Above-mentioned base band downstream signal is that the main control unit of repeater communication equipment where signal transmitting apparatus is sent to signal
The signal of transceiving chip 14.
As one embodiment, above-mentioned signal transmitting and receiving chip 14 can extract in advance from coupled signal and base band downstream signal
Distorted signal parameter, the letter of the predistortion similar radiofrequency signal sent according to the pre-distorted signals parameter correction next time described in
Number linearly parameter corresponding to parameter, to realize the pre-distortion to radiofrequency signal, ensure the radiofrequency signal subsequently sent
Accuracy.
The signal transmitting apparatus that the present embodiment provides, pre-distortion is carried out to the radiofrequency signal subsequently sent, to improve
The linear index of signal transmitting apparatus.
With reference to shown in figure 7, Fig. 7 is the test equipment structural representation of the signal transmitting apparatus of one embodiment, including is surveyed
Trial signal generator 31 and measuring and analysing meter 32；
The radio frequency that the measuring signal generator 31 connects signal transmitting apparatus 10 described in any one above-mentioned embodiment connects
Mouth circuit 11, the measuring and analysing meter 32 connect the baseband interface electricity of signal transmitting apparatus 10 described in any one above-mentioned embodiment
Road 15；
The measuring signal generator 31 produces test signal, and the test signal is passed through into the radio-frequency interface circuit 15
Input the signal transmitting apparatus 10；
The measuring and analysing meter 32 obtains data signal of the signal transmitting apparatus 10 by baseband interface circuit output, identification
The signal parameter of the data signal, test result is obtained according to the signal parameter.
Above-mentioned signal parameter can include the parameters such as signal gain, power output and the linearity.What the present embodiment provided
The test equipment of signal transmitting apparatus, the communication signal transmissions function of signal transmitting apparatus 10 can be tested accordingly,
Its communication failure in signals transmission is detected and handled accordingly in time, is further ensured that signal transmission dress
10 job stability is put, improves its service behaviour.
In one embodiment, with reference to shown in figure 8, above-mentioned measuring signal generator includes multiple module interfaces, the survey
Examination analyzer includes multiple signal input interfaces；
Each module interface of the measuring signal generator is analyzed by a signal transmitting apparatus connecting test respectively
Mutually different signal input interface in instrument.
Multiple module interfaces of above-mentioned measuring signal generator, i.e., the interface of multiple access radio-frequency interface circuits, Ke Yiti
The test of the signal transmitting apparatus accessed for each module interface, can also realize the survey of the other equipment of identical baseband interface
Examination, it can also support serial ports and network interface to communicate, and measuring and analysing meter includes multiple interfaces for accessing baseband interface circuits, and (signal is defeated
Incoming interface)；Above-mentioned module interface can correspond with signal input interface, i.e., any one module interface has unique corresponding
Signal input interface, corresponding one group of module interface is properly termed as a group interface with signal input interface.With reference to the institute of figure 8
Show, multiple signal transmitting apparatus, each signal transmission dress can be accessed between above-mentioned measuring signal generator and measuring and analysing meter
Between putting the group interface for being connected to measuring signal generator and measuring and analysing meter, measuring signal generator can produce test letter
Number, test signal is respectively sent to each signal transmitting apparatus, each signal transmitting apparatus will carry out phase according to test signal
The data signal that should handle to obtain is sent by baseband interface circuit and identifies each letter to measuring and analysing meter, measuring and analysing meter respectively
Above-mentioned multiple signal transmitting apparatus are combined survey by the data signal transmitted by number transmitting device according to above-mentioned data signal
Examination, to improve the testing efficiency of above-mentioned signal transmitting apparatus.
Specifically, accordingly connected in each device to each signal transmitting apparatus, confirmation signal transmitting device connects
Line is normal, and carry out electricity operation after, above-mentioned multiple signal transmitting apparatus are combined with the test flow chart of test to join
Examine shown in Fig. 9, comprise the following steps：
S61, the radio frequency reception end of detection signal transceiving chip, the input power at feedback reception end, carry out power statistic；
S62, judge whether power statistic is normal；
S63, if power statistic is abnormal, the gain of confirmation signal transceiving chip has no problem, according to confirmation result pair
Signal transmitting and receiving chip is debugged to after normal, return to step S61；
S64, if power statistic is normal, the signal (baseband transmission signal) of detection baseband interface circuit transmission；
S65, the power output of baseband transmission signal is read, the output for detecting transmission signal is mutually made an uproar, the signals such as confirmation is mutually made an uproar
Whether parameter is normal；
S66, if signal parameter is abnormal (problem being present), confirm power output size whether there is problem, tied according to confirmation
Fruit is normal by baseband interface circuit debugging, return to step S64；
S67, if it is normal mutually to make an uproar, run (signal transmitting apparatus) digital predistortion function；
S68, test (signal transmitting apparatus transmitting) linearly degree, and after the test of above-mentioned linearly degree is normal,
Count every test result；
S69, if the test of linearly degree is abnormal, returns to each signal transmitting apparatus and checked accordingly.
A kind of repeater communication equipment, including the signal transmitting apparatus described in any one above-mentioned embodiment；
The antennal interface of the repeater communication equipment connects the radio frequency interface of the signal transmitting apparatus, the repeater
The main control unit of communication equipment connects the baseband signal end of signal transmitting and receiving chip in the signal transmitting apparatus.
Above-mentioned repeater communication equipment can be the communication equipments such as near-end machine or the remote termination of repeater.
The repeater communication equipment that the present embodiment provides, communication signal transmissions are carried out using signal transmitting apparatus, to a variety of
The transmission of signal of communication has carried out effective simplification.
In one embodiment, with reference to shown in figure 10, above-mentioned repeater communication equipment, multiple multiplexers can also be included；
Any one multiplexer is connected to one antennal interface of repeater communication equipment and a signal transmitting apparatus
Radio frequency interface between.
Specifically, above-mentioned multiplexer is full duplex, including first end and the second end, the first end of any one multiplexer
An antennal interface (repeater communication equipment sets multiple antennal interfaces), any second end difference of each multiplexer are connected respectively
The main control unit is connected by a signal transmitting apparatus.
The repeater communication equipment that the present embodiment provides can access multiple above-mentioned signal transmitting apparatus, each signal transmission
Device can realize the transmission of polymorphic type or multimode communication signal, thus above-mentioned repeater communication equipment can realize difference
The communication signal transmissions function of type or standard, corresponding digital data transmission is completed by main control unit, can also be realized whole
The function such as plate overall-in-one control schema, digital module monitoring.
In one embodiment, above-mentioned main control unit connects the control of transceiving chip by the baseband interface circuit respectively
The control terminal at end, the control terminal of power amplifier module and low noise amplification module；
The main control unit is put to transceiving chip, power amplifier module and low noise respectively by the baseband interface circuit
Big module sends control signal, controls the transceiving chip, power amplifier module and low noise amplification module to enter working condition.
Specifically, in the course of the work, signal transmitting and receiving chip receives low noise amplifier circuit and sent repeater communication equipment
External radio-frequency signal, external radio-frequency signal is converted into baseband signal, leads to baseband interface circuit transmission to main control unit.Master control
Unit can send base band downstream signal to signal transmitting and receiving chip, signal transmitting and receiving chip is obtained according to above-mentioned base band downstream signal
Radiofrequency signal, send to power amplifier module.During communication equipment progress corresponding signal in repeater sends and receives, its
Main control unit can send the control signals such as associated level signal respectively to transceiving chip, power amplification by baseband interface circuit
Module and low noise amplification module, control transceiving chip carry out corresponding signal transacting work, respectively power can also be controlled to put
Big module and low noise amplification module carry out signal amplification work.
The present invention also provides a kind of digital high-frequency amplification station, including the communication of the repeater such as near-end machine as described above, remote termination is set
Standby, above-mentioned digital high-frequency amplification station (or is replaced with corresponding to transmitted signal of communication signal and transmitted by signal transmitting apparatus therein
Device) signal transfer functions of different systems can be realized.Signal transmitting apparatus therein can by replace amplifier tube, bar
Human relations, the local frequency of change signal transmitting and receiving chip (such as ultra wide band transceiving chip) can realize different frequency range and the communication letter of standard
Number transmitting-receiving, effectively reduce the complexity for receiving and dispatching all kinds of or each standard signal of communication.
In above-mentioned digital high-frequency amplification station, signal chains separate module corresponding to each signal transmitting apparatus can use integrated device
Scheme, using High Speed Serial Transmission Interface, realization simplifies transmission, base band is carried out between each signal transmitting apparatus and main control unit
Transmit, the signal transmitted between each signal transmitting apparatus is not interfere with each other, the passage between different discrete signal transmitting apparatus
Isolation is high；Discrete signals transmitting device reference clock uses clock recovery mode, can realize the reference clock of relatively long distance
High-quality transmission, the accurate time-delay alignment of data transfer is realized using zero-lag and sequential fine setting；Each signal chains separate module
(signal transmitting apparatus) possesses digital predistortion function, can be compact in size by power amplifier module, reduces overall power；Each point
Vertical signal transmitting apparatus can complete all analog quantity detections and the offer of analog quantity voltage in corresponding module, simplify interface and set
Meter, save the cost of system；Each interface of each signal chains separate module can carry out summary design, support under unified frock
Single module debugging, there is higher production efficiency.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (11)
- A kind of 1. signal transmitting apparatus, it is characterised in that including：Radio-frequency interface circuit, power amplifier module, low noise amplification mould Block, and the signal transmitting and receiving chip with multiple radio-frequency transmissions ends and radio frequency reception end；The power amplifier module is provided with multiple signal receiving ends, and the low noise amplification module is provided with multiple signal sending ends；Each radio-frequency transmissions end of the signal transmitting and receiving chip connects the signal receiving end of the power amplifier module respectively, forms Signal transmission channel, each radio frequency reception end of the signal transmitting and receiving chip connect the signal transmission of low noise amplification module respectively End, forms signal receiving channel, the corresponding signal receiving channel of each signal transmission channel, the signal transmission channel with it is right The signal receiving channel answered transmits a type of radiofrequency signal；The low noise amplification module transmits the external radio-frequency signal that radio-frequency interface circuit receives to signal transmitting and receiving chip；The signal transmitting and receiving chip sent radiofrequency signal to power amplifier module by signal transmission channel, and to being received Radiofrequency signal is digitized processing and obtains data signal output；The power amplifier module is exported the radiofrequency signal of reception by the radio-frequency interface circuit.
- 2. signal transmitting apparatus according to claim 1, it is characterised in that also including baseband interface circuit, the base band Interface circuit is connected between the baseband signal end of signal transmitting and receiving chip and the main control unit of repeater communication equipment；Master control list of the baseband interface circuit by the digital data transmission that signal transmitting and receiving chip exports to repeater communication equipment Member.
- 3. signal transmitting apparatus according to claim 2, it is characterised in that the control terminal difference of the signal transmitting and receiving chip Connect control terminal, the control terminal of low noise amplification module of power amplifier module；The signal transmitting and receiving chip is when carrying out the transmitting-receiving work of radiofrequency signal, respectively to the control terminal of the power amplifier module Control signal is sent with the control terminal of low noise amplification module, controls power amplifier module and the low noise amplification module to enter Working condition.
- 4. the signal transmitting apparatus according to Claims 2 or 3, it is characterised in that also including clock chip, the clock core The main control unit of the first end connection repeater communication equipment of piece, the second end connection signal transmitting and receiving chip of the clock chip Clock end, the clock end of the three-terminal link baseband interface circuit of the clock chip；The clock chip obtains reference clock from the main control unit, according to the reference clock by the signal transmitting and receiving chip Data signal mutually made an uproar optimization, reference clock and output clocked sequential are fixed using zero-lag function, always according to described Reference clock carries out clock alignment processing to the data signal at baseband interface circuit.
- 5. according to the signal transmitting apparatus described in any one of Claims 1-4, it is characterised in that the power amplifier module There is each signal receiving end corresponding signal output part and coupled end, each coupled end to connect the signal transmitting and receiving respectively respectively The feedback reception end of chip；The power amplifier module obtains coupled signal from the radiofrequency signal of signal output part, and the coupled signal is passed through into this Coupled end corresponding to signal receiving end feeds back to signal transmitting and receiving chip；The signal transmitting and receiving chip is similar to what is sent next time by the coupled signal and the base band downstream signal of reception Radiofrequency signal carries out pre-distortion.
- 6. signal transmitting apparatus according to claim 5, it is characterised in that the signal transmitting and receiving chip from coupled signal and Pre-distorted signals parameter is extracted in base band downstream signal, similar is penetrated according to what the pre-distorted signals parameter correction was sent next time Linearly parameter corresponding to pre-distorted signals parameter described in frequency signal.
- 7. a kind of test equipment of signal transmitting apparatus, it is characterised in that including measuring signal generator and measuring and analysing meter；Radio-frequency interface circuit described in the measuring signal generator connection any one of claim 1 to 6, the measuring and analysing meter Connect the baseband interface circuit described in any one of claim 1 to 6；The measuring signal generator produces test signal, and the test signal is passed through described in radio-frequency interface circuit input Signal transmitting apparatus；The measuring and analysing meter obtains data signal of the signal transmitting apparatus by baseband interface circuit output, identifies the numeral The signal parameter of signal, test result is obtained according to the signal parameter.
- 8. the test equipment of signal transmitting apparatus according to claim 7, it is characterised in that the measuring signal generator Including multiple module interfaces, the measuring and analysing meter includes multiple signal input interfaces；Each module interface of the measuring signal generator is respectively by a signal transmitting apparatus connecting test analyzer Mutually different signal input interface.
- 9. a kind of repeater communication equipment, it is characterised in that including the signal transmitting apparatus described in any one of claim 1 to 6；The antennal interface of the repeater communication equipment connects the radio frequency interface of the signal transmitting apparatus, the repeater communication The main control unit of equipment connects the baseband signal end of signal transmitting and receiving chip in the signal transmitting apparatus.
- 10. repeater communication equipment according to claim 9, it is characterised in that also including multiple multiplexers；Any one multiplexer is connected to penetrating for one antennal interface of repeater communication equipment and signal transmitting apparatus Between frequency interface.
- 11. the repeater communication equipment according to claim 9 or 10, it is characterised in that the main control unit passes through described Baseband interface circuit connects the control of the control terminal of transceiving chip, the control terminal of power amplifier module and low noise amplification module respectively End processed；The main control unit is by the baseband interface circuit respectively to transceiving chip, power amplifier module and low noise amplification mould Block sends control signal, controls the transceiving chip, power amplifier module and low noise amplification module to enter working condition.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711064233.8A CN107819483B (en) | 2017-11-02 | 2017-11-02 | Signal transmitting apparatus and its test equipment, repeater communication equipment |
| PCT/CN2018/097587 WO2019085556A1 (en) | 2017-11-02 | 2018-07-27 | Signal transmission apparatus and test device thereof, and repeater communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711064233.8A CN107819483B (en) | 2017-11-02 | 2017-11-02 | Signal transmitting apparatus and its test equipment, repeater communication equipment |
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| Publication Number | Publication Date |
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| CN107819483A true CN107819483A (en) | 2018-03-20 |
| CN107819483B CN107819483B (en) | 2019-03-19 |
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| CN201711064233.8A Active CN107819483B (en) | 2017-11-02 | 2017-11-02 | Signal transmitting apparatus and its test equipment, repeater communication equipment |
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| CN (1) | CN107819483B (en) |
| WO (1) | WO2019085556A1 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108650040A (en) * | 2018-04-26 | 2018-10-12 | 深圳市盛路物联通讯技术有限公司 | A kind of method of adjustment and system of radiofrequency signal |
| CN109032980A (en) * | 2018-06-30 | 2018-12-18 | 唯捷创芯(天津)电子技术股份有限公司 | Serial communication apparatus and serial communication method |
| CN109101072A (en) * | 2018-10-25 | 2018-12-28 | 京信通信系统（中国）有限公司 | A kind of square wave signal generator |
| WO2019085556A1 (en) * | 2017-11-02 | 2019-05-09 | 京信通信系统（中国）有限公司 | Signal transmission apparatus and test device thereof, and repeater communication device |
| CN110138465A (en) * | 2019-06-04 | 2019-08-16 | 山东华翼微电子技术股份有限公司 | A kind of non-contact card apparatus for testing chip, test method and non-contact card chip |
| CN112290972A (en) * | 2020-10-23 | 2021-01-29 | 四川西南联盛通讯技术有限公司 | 5G communication splicing antenna system |
| CN113556145A (en) * | 2020-04-24 | 2021-10-26 | 大唐移动通信设备有限公司 | Data processing method and device, electronic equipment and storage medium |
| CN113960515A (en) * | 2021-10-27 | 2022-01-21 | 上海电气(集团)总公司智惠医疗装备分公司 | Magnetic resonance electronic and electrical system |
| WO2022095817A1 (en) * | 2020-11-04 | 2022-05-12 | 中兴通讯股份有限公司 | Signal transceiving device, signal amplification device, and communication system operation method |
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| CN112290972A (en) * | 2020-10-23 | 2021-01-29 | 四川西南联盛通讯技术有限公司 | 5G communication splicing antenna system |
| WO2022095817A1 (en) * | 2020-11-04 | 2022-05-12 | 中兴通讯股份有限公司 | Signal transceiving device, signal amplification device, and communication system operation method |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2019085556A1 (en) | 2019-05-09 |
| CN107819483B (en) | 2019-03-19 |
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Effective date of registration: 20200110 Address after: 510663 Shenzhou Road 10, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong Patentee after: Jingxin Communication System (China) Co., Ltd. Address before: 510663 Shenzhou Road 10, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong Co-patentee before: Jingxin Communication System (Guangzhou) Co., Ltd. Patentee before: Jingxin Communication System (China) Co., Ltd. Co-patentee before: Jingxin Communication Technology (Guangzhou) Co., Ltd. Co-patentee before: TIANJIN COMBA TELECOM SYSTEMS CO., LTD. |
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Address after: 510663 Shenzhou Road 10, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong Patentee after: Jingxin Network System Co.,Ltd. Address before: 510663 Shenzhou Road 10, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong Patentee before: Comba Telecom System (China) Ltd. |
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