CN205232220U - Signal transmitter and signal receiver - Google Patents
Signal transmitter and signal receiver Download PDFInfo
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- CN205232220U CN205232220U CN201521082495.3U CN201521082495U CN205232220U CN 205232220 U CN205232220 U CN 205232220U CN 201521082495 U CN201521082495 U CN 201521082495U CN 205232220 U CN205232220 U CN 205232220U
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Abstract
The utility model provides a signal transmitter and signal receiver, wherein, signalling device includes: phase -locked loop module, modulation coding module, serial distribution module and distribution drive circuit, the modulation coding module is connected with serial distribution module, and the phase -locked loop module is connected with distribution drive circuit with serial distribution module, according to the frequency -doubled clock signal of carrier frequency p and etc. The carrier signal of duty cycle to the parallel module on -off control signal generation n way serial module on -off control signal in m way, according to the frequency -doubled clock signal of carrier frequency p and etc. The carrier signal of duty cycle generate the carrier signal of duty cycles such as frequency -doubled clock signal of n way carrier frequency p and n way, send the carrier signal of duty cycles such as n way serial module on -off control signal, the frequency -doubled clock signal of n way carrier frequency p and n way for signal receiver, wherein, m=np. Reduce a large amount of interconnection resources, reduce the same frequency interference between each carrier signal and each the module on -off control signal.
Description
Technical field
The utility model relates to the communication technology, particularly relates to a kind of sender unit and signal receiving device.
Background technology
This locality that broadcast transmitting station mainly adopts high-power medium wave transmitter to carry out (such as across the entire province) on a large scale of medium wave broadcast covers, current high-power medium wave transmitter is due to the complexity of technical implementation way, single-frequency broadcast can only be realized, even if change broadcast frequency also to need expensively to transform funds, in transmitting station O&M process, in order to ensure the continuity of broadcast, more need to be equipped with standby transmitter, and the mode that current high-power medium wave sends out this single-frequency broadcast of transmitter needs to install standby host for each transmitter, engineering drops into and equipment maintenance cost is all very huge.
In prior art, multifrequency medium wave transmitter is made up of transmitting terminal and receiving terminal, transmitting terminal includes the radio frequency interface plate, buffer amplifier, pre-driver amplifier, driving amplifier, radio frequency distribution module, audio processing modules, the modulating-coding module that connect successively, receiving terminal includes 224 RF power module, and radio frequency distribution module is connected with 224 RF power module, modulating-coding module is connected with 224 RF power module.The carrier signal that frequency synthesizer sends will carry out shaping and amplification through radio frequency interface plate, again by the level Four amplification process altogether of buffer amplifier, pre-driver amplifier, driving amplifier, then carry out allocation of carriers by radio frequency distribution module and obtain 224 tunnel carrier signals, one tunnel carrier signal is sent to a RF power module of receiving terminal, each road carrier signal is identical with carrier signal before; Simultaneously, the bit wide that audio-source sends is that the Parallel Digital audio signal of 12 bits is after the carrying out of audio processing modules and modulating-coding module processes, become the Parallel Digital audio signal that bit wide is 224 bits, and bit wide is the Parallel Digital audio signal of 224 bits by modulating-coding module, be assigned as the module switch control signal that 224 tunnel bit wides are 1 bit, the module switch control signal being then 1 bit by a road bit wide sends to a RF power module of receiving terminal; Each RF power module is the module switch control signal of 1 bit according to a road bit wide, amplifies a road carrier signal.
But, in prior art, because transmitting terminal needs the module switch control signal by 224 tunnel carrier signals and 224 tunnels, the RF power module of receiving terminal is sent to by the stube cable between transmitting terminal and receiving terminal, thus between transmitting terminal and receiving terminal, need a large amount of stube cables, and need a large amount of interconnection resources, and more owing to connecting up, be homogenous frequency signal between each carrier signal and each module switch control signal, thus can co-channel interference be produced between two class signals.
Utility model content
The utility model provides a kind of sender unit and signal receiving device, a large amount of stube cables is needed in order to solve between the transmitting terminal of signal in prior art and receiving terminal, need a large amount of interconnection resources, and it is more owing to connecting up, be homogenous frequency signal between each carrier signal and each module switch control signal, thus the problem of co-channel interference can be produced between two class signals.
One side of the present utility model is to provide a kind of sender unit, comprising:
Phase-locked loop module, modulating-coding module, serial distribution module and distribution drive circuit;
Wherein, described modulating-coding module is connected with described serial distribution module, and described phase-locked loop module is connected with described serial distribution module and described distribution drive circuit;
Described phase-locked loop module, for the carrier signal that receive frequency synthesizer sends, described carrier signal is carried out the clock signal that process of frequency multiplication generates carrier frequency p frequency multiplication, and the carrier signal that Shape correction generates equal duty ratio is carried out to described carrier signal, the clock signal of described carrier frequency p frequency multiplication and the carrier signal of described equal duty ratio are all sent to described serial distribution module, described distribution drive circuit, and the carrier signal of wherein said equal duty ratio and the clock signal of described carrier frequency p frequency multiplication are fixed phase relationship;
Described modulating-coding module, for the Parallel Digital audio signal that audio reception source sends, generate m road parallel modules switch controlling signal after carrier synchronization and coding are carried out to described Parallel Digital audio signal, described m road parallel modules switch controlling signal is sent to described serial distribution module;
Described serial distribution module, for receiving the described m road parallel modules switch controlling signal that described modulating-coding module sends, and receive the clock signal of described carrier frequency p frequency multiplication and the carrier signal of described equal duty ratio of the transmission of described phase-locked loop module, according to the clock signal of described carrier frequency p frequency multiplication and the carrier signal of described equal duty ratio, parallel-to-serial conversion process is carried out to described m road parallel modules switch controlling signal, obtain n road serial module switch controlling signal, described n road serial module switch controlling signal is sent to signal receiving device;
Described distribution drive circuit, for receiving the clock signal of described carrier frequency p frequency multiplication and the carrier signal of described equal duty ratio of the transmission of described phase-locked loop module, driving process is carried out to the clock signal of described carrier frequency p frequency multiplication and the carrier signal of described equal duty ratio, generate the clock signal of n road carrier frequency p frequency multiplication and the carrier signal of n road equal duty ratio, the carrier signal of the clock signal of described n road carrier frequency p frequency multiplication and described n road equal duty ratio is sent to described signal receiving device;
Wherein, m=n*p, m are greater than the positive integer that 1 is less than or equal to 224, and n is greater than the positive integer that 1 is less than or equal to 28, and p is positive integer.
Another aspect of the present utility model is to provide a kind of signal receiving device, comprising:
N serioparallel exchange group, and m RF power module;
Wherein each serioparallel exchange group is connected with p RF power module, and wherein, m=n*p, m are greater than the positive integer that 1 is less than or equal to 224, and n is greater than the positive integer that 1 is less than or equal to 28, and p is positive integer;
Each described serioparallel exchange group, for the road serial module switch controlling signal that the serial distribution module in Received signal strength dispensing device sends, and receive the clock signal of a road carrier frequency p frequency multiplication and the carrier signal of a road equal duty ratio of the distribution drive circuit transmission in described sender unit, according to the clock signal of a road carrier frequency p frequency multiplication and the carrier signal of a road equal duty ratio, serial-to-parallel conversion process is carried out to a road serial module switch controlling signal and generate p road power model switch controlling signal, the carrier signal of Bing Dui mono-road equal duty ratio is carried out driving process and is generated p road homophase carrier signal, each road power model switch controlling signal is sent to respectively each RF power module in p RF power module, Bing Jiangge road homophase carrier signal sends to each RF power module in p RF power module respectively,
Each described RF power module, for receiving a road power model switch controlling signal and a road homophase carrier signal of each described serioparallel exchange group transmission, amplify a road homophase carrier signal according to a road power model switch controlling signal, amplification Hou mono-road homophase carrier signal is sent to radio-frequency synthesis network.
The utility model is by providing a kind of sender unit and signal receiving device, can receive frequency synthesizer send carrier signal, carrier signal is carried out the clock signal that process of frequency multiplication generates carrier frequency p frequency multiplication, and the carrier signal that Shape correction generates equal duty ratio is carried out to carrier signal, wherein the carrier signal of equal duty ratio and the clock signal of carrier frequency p frequency multiplication are fixed phase relationship; The Parallel Digital audio signal that audio reception source sends, generates m road parallel modules switch controlling signal after carrying out carrier synchronization and coding to Parallel Digital audio signal; According to the clock signal of carrier frequency p frequency multiplication and the carrier signal of equal duty ratio, parallel-to-serial conversion process is carried out to m road parallel modules switch controlling signal, obtain n road serial module switch controlling signal; Driving process is carried out to the clock signal of carrier frequency p frequency multiplication and the carrier signal of equal duty ratio, generates the clock signal of n road carrier frequency p frequency multiplication and the carrier signal of n road equal duty ratio; The clock signal of n road serial module switch controlling signal, n road carrier frequency p frequency multiplication and the carrier signal of n road equal duty ratio are sent to signal receiving device; Wherein, m=n*p, m are greater than the positive integer that 1 is less than or equal to 224, and n is greater than the positive integer that 1 is less than or equal to 28, and p is positive integer.Achieve and parallel modules switch controlling signal is carried out serioparallel exchange, generate the serial module switch controlling signal that way is less, generate the carrier signal that way is less simultaneously, decrease the stube cable between sender unit and signal receiving device, decrease a large amount of interconnection resources, simultaneously owing to decreasing wiring, the co-channel interference between each carrier signal and each module switch control signal is less; Utilize carrier signal as the frame synchronizing signal of module switch signal, and carry out through same small-signal hardware circuit driving the stringent synchronization ensureing carrier signal and module switch control signal; Further, do not need tuner, saved the cost of sender unit and receiving system, and reduce radio frequency interference in the transmitting procedure of signal, adopt high speed transmission of signals, it also avoid the co-channel interference between other signals; When can ensure frequency error factor, carrier signal and module switch control signal can keep strict Phase synchronization simultaneously.In the utility model, the transmission of carrier signal employs small-signal transmission, eliminate amplification, buffer amplifier, pre-driver amplifier, driving amplifier level Four driving arrangement, link is driven to break the whole up into parts these, be arranged on reception signal terminal, reduce the power stage grade of single link, therefore eliminate the time delay and concussion that drive the tuner of link and these equipment to bring, further ensure the Phase synchronization in signals transmission, and be easy to realize the output of transmitter multifrequency.
Accompanying drawing explanation
The flow chart of the method for transmitting signals that Fig. 1 provides for the utility model embodiment one;
The flow chart of the method for transmitting signals that Fig. 2 provides for the utility model embodiment two;
The flow chart of the method for transmitting signals that Fig. 3 provides for the utility model embodiment three;
The structural representation of the sender unit that Fig. 4 provides for the utility model embodiment four;
The structural representation of the signal receiving device that Fig. 5 provides for the utility model embodiment four.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The flow chart of the method for transmitting signals that Fig. 1 provides for the utility model embodiment one, as shown in Figure 1, the method for the present embodiment comprises:
The carrier signal that step 101, receive frequency synthesizer send, carrier signal is carried out the clock signal that process of frequency multiplication generates carrier frequency p frequency multiplication, and the carrier signal that Shape correction generates equal duty ratio is carried out to carrier signal, wherein the carrier signal of equal duty ratio and the clock signal of carrier frequency p frequency multiplication are fixed phase relationship.
In the present embodiment, concrete, the carrier signal that receive frequency synthesizer sends, then carrier signal is carried out process of frequency multiplication, can generate the clock signal of carrier frequency p frequency multiplication, wherein p can value be 8, thus what generate is the clock signal of carrier frequency 8 frequency multiplication; Simultaneously, the carrier signal that frequency synthesizer sends can be carried out Shape correction, generate the carrier signal of equal duty ratio, with frequency, same-phase between the carrier signal that the carrier signal of equal duty ratio and frequency synthesizer send, the carrier signal of equal duty ratio and the clock signal of carrier frequency p frequency multiplication are fixed phase relationship.
The Parallel Digital audio signal that step 102, audio reception source send, generate m road parallel modules switch controlling signal after carrying out carrier synchronization and coding to Parallel Digital audio signal, wherein m is greater than the positive integer that 1 is less than or equal to 224.
In the present embodiment, concrete, the bit wide that audio reception source sends is 12 bit (Bit, be called for short bit) Parallel Digital audio signal, the parallel modules switch controlling signal that bit wide is 224bit is generated after carrier synchronization and modulating-coding are carried out to Parallel Digital audio signal, thus m road parallel modules switch controlling signal can be obtained, m value is 224.
Step 103, according to the clock signal of carrier frequency p frequency multiplication and the carrier signal of equal duty ratio, parallel-to-serial conversion process is carried out to m road parallel modules switch controlling signal, obtain n road serial module switch controlling signal, wherein, m=n*p, n is greater than the positive integer that 1 is less than or equal to 28, and p is positive integer.
In the present embodiment, concrete, according to the clock signal of carrier frequency p frequency multiplication in step 101 and the carrier signal of equal duty ratio, parallel-to-serial conversion process is carried out to the m road parallel modules switch controlling signal in step 102, n road serial module switch controlling signal can be obtained, and m=n*p, n are greater than the positive integer that 1 is less than or equal to 28, and p is positive integer; Can ensure that n road serial module switch controlling signal and carrier signal are with frequently simultaneously.
Step 104, the clock signal of carrier frequency p frequency multiplication and the carrier signal of equal duty ratio carried out to driving process, generate the clock signal of n road carrier frequency p frequency multiplication and the carrier signal of n road equal duty ratio.
In the present embodiment, concrete, driving process is carried out to the clock signal of carrier frequency p frequency multiplication and the carrier signal of equal duty ratio, thus the carrier signal of the clock signal of carrier frequency p frequency multiplication and equal duty ratio can be carried out signal replication, generate the clock signal of n road carrier frequency p frequency multiplication and the carrier signal of n road equal duty ratio.Wherein, the clock signal of n road carrier frequency p frequency multiplication and the clock signal same-phase of carrier frequency p frequency multiplication before, the carrier signal of n road equal duty ratio and the carrier signal same-phase of equal duty ratio before.
Step 105, the clock signal of n road serial module switch controlling signal, n road carrier frequency p frequency multiplication and the carrier signal of n road equal duty ratio are sent to signal receiving device.
In the present embodiment, concrete, the n road serial module switch controlling signal generated in above step is sent to signal receiving device, the clock signal of n road carrier frequency p frequency multiplication is sent to signal receiving device simultaneously, the carrier signal of n road equal duty ratio is sent to signal receiving device.In the process wherein sent, each road in the clock signal of n road carrier frequency p frequency multiplication, can as each road in the serial module switch controlling signal of n road bit clock signal and or bit synchronization signal; Each road in the carrier signal of n road equal duty ratio, can as the frame synchronizing signal on each road in the serial module switch controlling signal of n road.
The present embodiment is by carrying out parallel-to-serial conversion process according to the clock signal of carrier frequency p frequency multiplication and the carrier signal of equal duty ratio to m road parallel modules switch controlling signal, obtain n road serial module switch controlling signal, and driving process is carried out to the clock signal of carrier frequency p frequency multiplication and the carrier signal of equal duty ratio, generate the clock signal of n road carrier frequency p frequency multiplication and the carrier signal of n road equal duty ratio, m=n*p, thus can the n road serial module switch controlling signal of way be decreased, the clock signal of n road carrier frequency p frequency multiplication and the carrier signal of n road equal duty ratio send to signal receiving device, and then achieve parallel modules switch controlling signal is carried out serioparallel exchange, generate the serial module switch controlling signal that way is less, generate the carrier signal that way is less simultaneously, decrease the stube cable between sender unit and signal receiving device, decrease a large amount of interconnection resources, simultaneously owing to decreasing wiring, co-channel interference between each carrier signal and each module switch control signal is less, utilize carrier signal as the frame synchronizing signal of module switch signal, and carry out through same small-signal hardware circuit driving the stringent synchronization ensureing carrier signal and module switch control signal, further, do not need tuner, saved the cost of sender unit and receiving system, and reduce radio frequency interference in the transmitting procedure of signal, adopt high speed transmission of signals, it also avoid the co-channel interference between other signals.And in signal processing, according to carrier signal, parallel modules switch controlling signal is carried out to the process of serioparallel exchange, thus ensure that carrier signal and module switch control signal can keep strict Phase synchronization.In the utility model, the transmission of carrier signal employs small-signal transmission, eliminate amplification, buffer amplifier, pre-driver amplifier, driving amplifier level Four driving arrangement, link is driven to break the whole up into parts these, be arranged on reception signal terminal, reduce the power stage grade of single link, therefore eliminate the time delay and concussion that drive the tuner of link and these equipment to bring, further ensure the Phase synchronization in signals transmission, and be easy to realize the output of transmitter multifrequency.
The flow chart of the method for transmitting signals that Fig. 2 provides for the utility model embodiment two, on the basis of embodiment one, as shown in Figure 2, the method for the present embodiment, step 102, comprising:
The Parallel Digital audio signal that step 201, audio reception source send, and the carrier signal that receive frequency synthesizer sends, according to carrier signal, Phase synchronization process is carried out so that the phase place of Parallel Digital audio signal is adjusted to the Phase synchronization with carrier signal to Parallel Digital audio signal, generate the Parallel Digital audio signal after Phase synchronization process.
In the present embodiment, concrete, the Parallel Digital audio signal that audio reception source sends, the carrier signal of receive frequency synthesizer transmission simultaneously, according to carrier signal, Phase synchronization process is carried out to Parallel Digital audio signal, thus Parallel Digital audio signal samples is treated as the signal synchronous with carrier signal phase, can generate the Parallel Digital audio signal after Phase synchronization process, this process can be realized by carrier phase synchronization register.
Step 202, the Parallel Digital audio signal after Phase synchronization process carried out to carrier synchronization and coding after generate m road parallel modules switch controlling signal.
In the present embodiment, concrete, carrier synchronization and modulating-coding are carried out to the Parallel Digital audio signal after Phase synchronization process in step 201, generates m road parallel modules switch controlling signal.
The present embodiment passes through according to carrier signal, Phase synchronization process is carried out to the Parallel Digital audio signal that audio-source sends, thus the m road parallel modules switch controlling signal that ensure that Parallel Digital audio signal and generate according to Parallel Digital audio signal, can be synchronous with carrier signal phase.
Further, on the basis of above-described embodiment, in step 101 after the carrier signal that receive frequency synthesizer sends, also comprise:
Carrier signal is carried out the clock signal that process of frequency multiplication generates carrier frequency 16 frequency multiplication;
Accordingly, step 202, specifically comprises:
Clock signal according to carrier frequency 16 frequency multiplication carries out carrier synchronization and coding to the Parallel Digital audio signal after Phase synchronization process, generates m road parallel modules switch controlling signal.
In the present embodiment, concrete, after receiving the carrier signal of frequency synthesizer transmission, process of frequency multiplication is carried out to carrier signal, the clock signal of carrier frequency 16 frequency multiplication can be generated, thus can using the clock signal of carrier frequency 16 frequency multiplication as a frequency multiplication, the clock signal according to carrier frequency 16 frequency multiplication carries out carrier synchronization and modulating-coding to the Parallel Digital audio signal after Phase synchronization process, to generate m road parallel modules switch controlling signal.Thus the process that Parallel Digital audio signal can be generated the process of m road parallel modules switch controlling signal improves 16 times.
The flow chart of the method for transmitting signals that Fig. 3 provides for the utility model embodiment three, as shown in Figure 1, the method for the present embodiment comprises:
Serial module switch controlling signal Zhong mono-road, the n road serial module switch controlling signal that step 301, Received signal strength dispensing device send, the clock signal of clock signal Zhong mono-tunnel carrier frequency p frequency multiplication of n road carrier frequency p frequency multiplication and the carrier signal of the carrier signal Zhong mono-road equal duty ratio of n road equal duty ratio, wherein, p=m/n, m is greater than the positive integer that 1 is less than or equal to 224, n is greater than the positive integer that 1 is less than or equal to 28, and p is positive integer.
In the present embodiment, concrete, sender unit can be received and send n road serial module switch controlling signal, the clock signal of n road carrier frequency p frequency multiplication, the carrier signal of n road equal duty ratio, concrete can receive serial module switch controlling signal Zhong mono-road, n road serial module switch controlling signal by sub-device respectively by the reception in signal receiving device, the carrier signal of the clock signal of the clock signal Zhong mono-tunnel carrier frequency p frequency multiplication of n road carrier frequency p frequency multiplication and the carrier signal Zhong mono-road equal duty ratio of n road equal duty ratio, p=m/n, m is greater than the positive integer that 1 is less than or equal to 224, n is greater than the positive integer that 1 is less than or equal to 28.Concrete, the clock signal of carrier frequency p frequency multiplication is the clock signal of carrier frequency 8 frequency multiplication, n can value be 28, thus receives the respective road signal in the carrier signal of Shi 28 road serial module switch controlling signal, the clock signal of 28 tunnel carrier frequency 8 frequencys multiplication, 28 road equal duty ratios.
Step 302, carry out serial-to-parallel conversion process generate p road power model switch controlling signal according to the clock signal of a road carrier frequency p frequency multiplication and the carrier signal of a road equal duty ratio to a road serial module switch controlling signal, the carrier signal of Bing Dui mono-road equal duty ratio carries out drivings process generation p road homophase carrier signal.
In the present embodiment, concrete, according to the clock signal of a road carrier frequency p frequency multiplication and the carrier signal of a road equal duty ratio, serial-to-parallel conversion process is carried out for a road serial module switch controlling signal, p road power model switch controlling signal can be generated, p can value be still 8 herein, simultaneously according to carrier signal process serial module switch controlling signal, can ensure that serial module switch controlling signal is synchronous with carrier signal phase; The carrier signal of a road equal duty ratio is carried out driving process simultaneously, thus can generate p road homophase carrier signal, the carrier signal of p road homophase carrier signal and equal duty ratio is with frequency, same-phase.
Step 303, amplify a road homophase carrier signal according to a road power model switch controlling signal, amplification Hou mono-road homophase carrier signal is sent to radio-frequency synthesis network.
In the present embodiment, concrete, go amplification one road homophase carrier signal according to a road power model switch controlling signal, then amplification Hou mono-road homophase carrier signal is sent to radio-frequency synthesis network.
Serial module switch controlling signal Zhong mono-road, the n road serial module switch controlling signal that the present embodiment is sent by Received signal strength dispensing device, the carrier signal of the clock signal of the clock signal Zhong mono-tunnel carrier frequency p frequency multiplication of n road carrier frequency p frequency multiplication and the carrier signal Zhong mono-road equal duty ratio of n road equal duty ratio, wherein, p=m/n, thus receive the less n road serial module switch controlling signal of way, the clock signal of n road carrier frequency p frequency multiplication and the carrier signal of n road equal duty ratio, and then the carrier signal of a road serial module switch controlling signal and a road equal duty ratio is converted to p road power model switch controlling signal and p road homophase carrier signal respectively, achieve the parallel-serial conversion of signal, thus the stube cable that can reduce between sender unit and signal receiving device, decrease a large amount of interconnection resources, simultaneously owing to decreasing wiring, the co-channel interference between each carrier signal and each module switch control signal is less, utilize carrier signal as the frame synchronizing signal of module switch signal, and carry out through same small-signal hardware circuit driving the stringent synchronization ensureing carrier signal and module switch control signal, and in the transmitting procedure of signal, reduce radio frequency interference, adopt high speed transmission of signals, it also avoid the co-channel interference between other signals.And in signal processing, according to carrier signal, serial module switch controlling signal is carried out to the process of serial-to-parallel conversion, thus ensure that carrier signal and serial module switch controlling signal can keep strict Phase synchronization.In the utility model, the transmission of carrier signal employs small-signal transmission, eliminate amplification, buffer amplifier, pre-driver amplifier, driving amplifier level Four driving arrangement, link is driven to break the whole up into parts these, be arranged on reception signal terminal, reduce the power stage grade of single link, therefore eliminate the time delay and concussion that drive the tuner of link and these equipment to bring, further ensure the Phase synchronization in signals transmission, and be easy to realize the output of transmitter multifrequency.
The structural representation of the sender unit that Fig. 4 provides for the utility model embodiment four, as shown in Figure 4, the sender unit that the present embodiment provides, comprising:
Phase-locked loop module 42, modulating-coding module 43, serial distribution module 44 and distribution drive circuit 45;
Wherein, modulating-coding module 43 is connected with serial distribution module 44, and phase-locked loop module 42 and serial distribution module 44 and distribute drive circuit 45 and be connected;
Phase-locked loop module 42, for the carrier signal that receive frequency synthesizer sends, carrier signal is carried out the clock signal that process of frequency multiplication generates carrier frequency p frequency multiplication, and the carrier signal that Shape correction generates equal duty ratio is carried out to carrier signal, the carrier signal of the clock signal of carrier frequency p frequency multiplication and equal duty ratio is all sent to serial distribution module 44, distributes drive circuit 45;
Modulating-coding module 43, for the Parallel Digital audio signal that audio reception source sends, generate m road parallel modules switch controlling signal after carrier synchronization and coding are carried out to Parallel Digital audio signal, m road parallel modules switch controlling signal is sent to serial distribution module 44;
Serial distribution module 44, for receiving the m road parallel modules switch controlling signal that modulating-coding module 43 sends, and receive the clock signal of carrier frequency p frequency multiplication and the carrier signal of equal duty ratio of phase-locked loop module 42 transmission, according to the clock signal of carrier frequency p frequency multiplication and the carrier signal of equal duty ratio, parallel-to-serial conversion process is carried out to m road parallel modules switch controlling signal, obtain n road serial module switch controlling signal, n road serial module switch controlling signal is sent to signal receiving device;
Distribute drive circuit 45, for receiving the clock signal of carrier frequency p frequency multiplication and the carrier signal of equal duty ratio of phase-locked loop module 42 transmission, driving process is carried out to the clock signal of carrier frequency p frequency multiplication and the carrier signal of equal duty ratio, generate the clock signal of n road carrier frequency p frequency multiplication and the carrier signal of n road equal duty ratio, the carrier signal of the clock signal of n road carrier frequency p frequency multiplication and n road equal duty ratio is sent to signal receiving device;
Wherein, m=n*p, m are greater than the positive integer that 1 is less than or equal to 224, and n is greater than the positive integer that 1 is less than or equal to 28, and p is positive integer.
Also comprise: carrier phase synchronization register 41; Wherein, carrier phase synchronization register 41 is connected with modulating-coding module 43;
Carrier phase synchronization register 41, for the Parallel Digital audio signal that audio reception source sends, and the carrier signal that receive frequency synthesizer sends, according to carrier signal, Phase synchronization process is carried out so that the phase place of Parallel Digital audio signal is adjusted to the Phase synchronization with carrier signal to Parallel Digital audio signal, generate the Parallel Digital audio signal after Phase synchronization process, the Parallel Digital audio signal after Phase synchronization process is sent to modulating-coding module 43;
Accordingly, modulating-coding module 43, specifically for the Parallel Digital audio signal after the Phase synchronization process that reception carrier Phase synchronization register 41 sends, generate m road parallel modules switch controlling signal after carrier synchronization and coding are carried out to the Parallel Digital audio signal after Phase synchronization process, m road parallel modules switch controlling signal is sent to serial distribution module 44.
Phase-locked loop module 42, also for:
Carrier signal is carried out the clock signal that process of frequency multiplication generates carrier frequency 16 frequency multiplication, and the clock signal of carrier frequency 16 frequency multiplication is sent to modulating-coding module 43;
Accordingly, modulating-coding module 43, also for:
Receive the clock signal of carrier frequency 16 frequency multiplication that phase-locked loop module 42 sends;
Accordingly, generate m road parallel modules switch controlling signal after carrier synchronization and coding are carried out to the Parallel Digital audio signal after Phase synchronization process, comprising:
Clock signal according to carrier frequency 16 frequency multiplication carries out carrier synchronization and coding to the Parallel Digital audio signal after Phase synchronization process, generates m road parallel modules switch controlling signal.
The sender unit of the present embodiment can perform the method for transmitting signals provided in the utility model embodiment one and embodiment two.
In the present embodiment, concrete, sender unit includes carrier phase synchronization register 41, phase-locked loop module 42, modulating-coding module 43, serial distribution module 44 and distributes drive circuit 45, carrier phase synchronization register 41 is connected with modulating-coding module 43, modulating-coding module 43 is connected with serial distribution module 44, and phase-locked loop module 42 and serial distribution module 44 and distribute drive circuit 45 and be connected.
The Parallel Digital audio signal that carrier phase synchronization register 41 audio reception source sends, the carrier signal of receive frequency synthesizer transmission simultaneously, then according to carrier signal, Phase synchronization process is carried out to Parallel Digital audio signal, thus the phase place of Parallel Digital audio signal can be adjusted to the Phase synchronization with carrier signal, and then the Parallel Digital audio signal generated after Phase synchronization process, then the Parallel Digital audio signal after Phase synchronization process is sent to modulating-coding module 43.The carrier signal of phase-locked loop module 42 receive frequency synthesizer transmission simultaneously, carrier signal is carried out process of frequency multiplication and generate the clock signal of carrier frequency p frequency multiplication and the clock signal of carrier frequency 16 frequency multiplication, the carrier signal that Shape correction generates equal duty ratio is carried out to carrier signal simultaneously, and then the carrier signal of the clock signal of carrier frequency p frequency multiplication and equal duty ratio is all sent to serial distribution module 44, distributes drive circuit 45, and the clock signal of carrier frequency 16 frequency multiplication sent to modulating-coding module 43, p value to be 8.
Parallel Digital audio signal after the Phase synchronization process that modulating-coding module 43 reception carrier Phase synchronization register 41 sends, and receive the clock signal of carrier frequency 16 frequency multiplication that phase-locked loop module 42 sends, then according to the clock signal of carrier frequency 16 frequency multiplication, carrier synchronization and modulating-coding are carried out to the Parallel Digital audio signal after Phase synchronization process, m road parallel modules switch controlling signal can be generated, then serial distribution module 44, m is sent to be 224 m road parallel modules switch controlling signal.
Serial distribution module 44 receives the m road parallel modules switch controlling signal that modulating-coding module 43 sends, simultaneously and receive the clock signal of carrier frequency p frequency multiplication and the carrier signal of equal duty ratio that phase-locked loop module 42 sends; Then according to the clock signal of carrier frequency p frequency multiplication and the carrier signal of equal duty ratio, parallel-to-serial conversion process is carried out to m road parallel modules switch controlling signal, obtain n road serial module switch controlling signal, again n road serial module switch controlling signal is sent to signal receiving device, n is 28.
Distribution drive circuit 45 receives the clock signal of carrier frequency p frequency multiplication and the carrier signal of equal duty ratio of phase-locked loop module 42 transmission, then driving process is carried out to the clock signal of carrier frequency p frequency multiplication and the carrier signal of equal duty ratio, generate the clock signal of n road carrier frequency p frequency multiplication and the carrier signal of n road equal duty ratio, then the carrier signal of the clock signal of n road carrier frequency p frequency multiplication and n road equal duty ratio is sent to signal receiving device.
The present embodiment is by carrying out parallel-to-serial conversion process according to the clock signal of carrier frequency p frequency multiplication and the carrier signal of equal duty ratio to m road parallel modules switch controlling signal, obtain n road serial module switch controlling signal, and driving process is carried out to the clock signal of carrier frequency p frequency multiplication and the carrier signal of equal duty ratio, generate the clock signal of n road carrier frequency p frequency multiplication and the carrier signal of n road equal duty ratio, m=n*p, thus can the n road serial module switch controlling signal of way be decreased, the clock signal of n road carrier frequency p frequency multiplication and the carrier signal of n road equal duty ratio send to signal receiving device, and then achieve parallel modules switch controlling signal is carried out serioparallel exchange, generate the serial module switch controlling signal that way is less, generate the carrier signal that way is less simultaneously, decrease the stube cable between sender unit and signal receiving device, decrease a large amount of interconnection resources, simultaneously owing to decreasing wiring, co-channel interference between each carrier signal and each module switch control signal is less, utilize carrier signal as the frame synchronizing signal of module switch signal, and carry out through same small-signal hardware circuit driving the stringent synchronization ensureing carrier signal and module switch control signal, further, do not need tuner, saved the cost of sender unit and receiving system, and reduce radio frequency interference in the transmitting procedure of signal, adopt high speed transmission of signals, it also avoid the co-channel interference between other signals.In the utility model, the transmission of carrier signal employs small-signal transmission, eliminate amplification, buffer amplifier, pre-driver amplifier, driving amplifier level Four driving arrangement, link is driven to break the whole up into parts these, be arranged on reception signal terminal, reduce the power stage grade of single link, therefore eliminate the time delay and concussion that drive the tuner of link and these equipment to bring, further ensure the Phase synchronization in signals transmission, and be easy to realize the output of transmitter multifrequency.And in signal processing, according to carrier signal, parallel modules switch controlling signal is carried out to the process of serioparallel exchange, thus ensure that carrier signal and module switch control signal can keep strict Phase synchronization.The process that simultaneously Parallel Digital audio signal can be generated the process of m road parallel modules switch controlling signal improves 16 times.
The structural representation of the signal receiving device that Fig. 5 provides for the utility model embodiment four, as shown in Figure 5, the signal receiving device that the present embodiment provides, comprising:
N serioparallel exchange group 51, and m RF power module 52;
Wherein each serioparallel exchange group 51 is connected with p RF power module 52, and wherein, m=n*p, m are greater than the positive integer that 1 is less than or equal to 224, and n is greater than the positive integer that 1 is less than or equal to 28, and p is positive integer;
Each serioparallel exchange group 51, for the road serial module switch controlling signal that the serial distribution module in Received signal strength dispensing device sends, and the clock signal of a road carrier frequency p frequency multiplication that sends of distribution drive circuit in Received signal strength dispensing device and the carrier signal of a road equal duty ratio, according to the clock signal of a road carrier frequency p frequency multiplication and the carrier signal of a road equal duty ratio, serial-to-parallel conversion process is carried out to a road serial module switch controlling signal and generate p road power model switch controlling signal, the carrier signal of Bing Dui mono-road equal duty ratio is carried out driving process and is generated p road homophase carrier signal, each road power model switch controlling signal is sent to respectively each RF power module 52 in p RF power module 52, Bing Jiangge road homophase carrier signal sends to each RF power module 52 in p RF power module 52 respectively,
Each RF power module 52, for receiving a road power model switch controlling signal and a road homophase carrier signal of the transmission of each serioparallel exchange group 51, amplify a road homophase carrier signal according to a road power model switch controlling signal, amplification Hou mono-road homophase carrier signal is sent to radio-frequency synthesis network.
Each serioparallel exchange group 51, comprising: serioparallel exchange submodule 511 and allocation of carriers submodule 512;
Wherein, serioparallel exchange submodule 511 and the serial distribution module in sender unit, distribute drive circuit and be connected, allocation of carriers submodule 512 is connected with the distribution drive circuit in sender unit, and serioparallel exchange submodule 511 and allocation of carriers submodule 512 are connected with p RF power module 52;
Serioparallel exchange submodule 511, for the road serial module switch controlling signal that the serial distribution module in Received signal strength dispensing device sends, and the clock signal of a road carrier frequency p frequency multiplication that sends of distribution drive circuit in Received signal strength dispensing device and the carrier signal of a road equal duty ratio, according to the clock signal of a road carrier frequency p frequency multiplication and the carrier signal of a road equal duty ratio, serial-to-parallel conversion process is carried out to a road serial module switch controlling signal and generate p road power model switch controlling signal, each road power model switch controlling signal is sent to respectively each RF power module 52 in p RF power module 52,
Allocation of carriers submodule 512, for the carrier signal of the road equal duty ratio that the distribution drive circuit in Received signal strength dispensing device sends, driving process is carried out to the carrier signal of a road equal duty ratio and generates p road homophase carrier signal, each road homophase carrier signal is sent to respectively each RF power module 52 in p RF power module 52.
The sender unit of the present embodiment can perform the method for transmitting signals provided in the utility model embodiment three, and Principle Method is identical.
In the present embodiment, concrete, signal receiving device includes n serioparallel exchange group 51 and m RF power module 52, each serioparallel exchange group 51 is connected with p RF power module 52, wherein, m=n*p, m are greater than the positive integer that 1 is less than or equal to 224, n is greater than the positive integer that 1 is less than or equal to 28, and p is positive integer.Concrete, can be that 28 serioparallel exchange groups 51 and 224 RF power module, 52, serioparallel exchange group 51 are connected with 8 RF power module 52.And each serioparallel exchange group 51, includes a serioparallel exchange submodule 511 and an allocation of carriers submodule 512.Serioparallel exchange submodule 511 and the serial distribution module in sender unit, distribute drive circuit and be connected, allocation of carriers submodule 512 is connected with the distribution drive circuit in sender unit, and serioparallel exchange submodule 511 and allocation of carriers submodule 512 are connected with p RF power module 52.
Thus serial module switch controlling signal Zhong mono-road, the n road serial module switch controlling signal that the serial distribution module in serioparallel exchange submodule 511 Received signal strength dispensing device sends, and the clock signal of clock signal Zhong mono-tunnel carrier frequency p frequency multiplication of n road carrier frequency p frequency multiplication that sends of distribution drive circuit in Received signal strength dispensing device and the carrier signal of the carrier signal Zhong mono-road equal duty ratio of n road equal duty ratio, then according to the clock signal of a road carrier frequency p frequency multiplication and the carrier signal of a road equal duty ratio, serial-to-parallel conversion process is carried out to a road serial module switch controlling signal and generate p road power model switch controlling signal, each road power model switch controlling signal is sent to respectively each RF power module 52 in p RF power module 52.The carrier signal of the carrier signal Zhong mono-road equal duty ratio of the n road equal duty ratio that the distribution drive circuit in allocation of carriers submodule 512 Received signal strength dispensing device sends, driving process is carried out to the carrier signal of a road equal duty ratio and generates p road homophase carrier signal, each road homophase carrier signal is sent to respectively each RF power module 52 in p RF power module 52, now p value is also 8.
Thus each RF power module 52 can receive the road power model switch controlling signal and a road homophase carrier signal that receive the transmission of each serioparallel exchange group 51, then amplify a road homophase carrier signal according to a road power model switch controlling signal, then amplification Hou mono-road homophase carrier signal is sent to radio-frequency synthesis network.
Serial module switch controlling signal Zhong mono-road, the n road serial module switch controlling signal that the present embodiment is sent by Received signal strength dispensing device, the carrier signal of the clock signal of the clock signal Zhong mono-tunnel carrier frequency p frequency multiplication of n road carrier frequency p frequency multiplication and the carrier signal Zhong mono-road equal duty ratio of n road equal duty ratio, wherein, p=m/n, thus receive the less n road serial module switch controlling signal of way, the clock signal of n road carrier frequency p frequency multiplication and the carrier signal of n road equal duty ratio, and then the carrier signal of a road serial module switch controlling signal and a road equal duty ratio is converted to p road power model switch controlling signal and p road homophase carrier signal respectively, achieve the parallel-serial conversion of signal, thus the stube cable that can reduce between sender unit and signal receiving device, decrease a large amount of interconnection resources, simultaneously owing to decreasing wiring, the co-channel interference between each carrier signal and each module switch control signal is less, utilize carrier signal as the frame synchronizing signal of module switch signal, and carry out through same small-signal hardware circuit driving the stringent synchronization ensureing carrier signal and module switch control signal, and in the transmitting procedure of signal, reduce radio frequency interference, adopt high speed transmission of signals, it also avoid the co-channel interference between other signals.And in signal processing, according to carrier signal, serial module switch controlling signal is carried out to the process of serial-to-parallel conversion, thus ensure that carrier signal and serial module switch controlling signal can keep strict Phase synchronization.In the utility model, the transmission of carrier signal employs small-signal transmission, eliminate amplification, buffer amplifier, pre-driver amplifier, driving amplifier level Four driving arrangement, link is driven to break the whole up into parts these, be arranged on reception signal terminal, reduce the power stage grade of single link, therefore eliminate the time delay and concussion that drive the tuner of link and these equipment to bring, further ensure the Phase synchronization in signals transmission, and be easy to realize the output of transmitter multifrequency.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (5)
1. a sender unit, is characterized in that, comprising:
Phase-locked loop module, modulating-coding module, serial distribution module and distribution drive circuit;
Wherein, described modulating-coding module is connected with described serial distribution module, and described phase-locked loop module is connected with described serial distribution module and described distribution drive circuit;
Described phase-locked loop module, for the carrier signal that receive frequency synthesizer sends, described carrier signal is carried out the clock signal that process of frequency multiplication generates carrier frequency p frequency multiplication, and the carrier signal that Shape correction generates equal duty ratio is carried out to described carrier signal, the clock signal of described carrier frequency p frequency multiplication and the carrier signal of described equal duty ratio are all sent to described serial distribution module, described distribution drive circuit, and the carrier signal of wherein said equal duty ratio and the clock signal of described carrier frequency p frequency multiplication are fixed phase relationship;
Described modulating-coding module, for the Parallel Digital audio signal that audio reception source sends, generate m road parallel modules switch controlling signal after carrier synchronization and coding are carried out to described Parallel Digital audio signal, described m road parallel modules switch controlling signal is sent to described serial distribution module;
Described serial distribution module, for receiving the described m road parallel modules switch controlling signal that described modulating-coding module sends, and receive the clock signal of described carrier frequency p frequency multiplication and the carrier signal of described equal duty ratio of the transmission of described phase-locked loop module, according to the clock signal of described carrier frequency p frequency multiplication and the carrier signal of described equal duty ratio, parallel-to-serial conversion process is carried out to described m road parallel modules switch controlling signal, obtain n road serial module switch controlling signal, described n road serial module switch controlling signal is sent to signal receiving device;
Described distribution drive circuit, for receiving the clock signal of described carrier frequency p frequency multiplication and the carrier signal of described equal duty ratio of the transmission of described phase-locked loop module, driving process is carried out to the clock signal of described carrier frequency p frequency multiplication and the carrier signal of described equal duty ratio, generate the clock signal of n road carrier frequency p frequency multiplication and the carrier signal of n road equal duty ratio, the carrier signal of the clock signal of described n road carrier frequency p frequency multiplication and described n road equal duty ratio is sent to described signal receiving device;
Wherein, m=n*p, m are greater than the positive integer that 1 is less than or equal to 224, and n is greater than the positive integer that 1 is less than or equal to 28, and p is positive integer.
2. device according to claim 1, is characterized in that, also comprises: carrier phase synchronization register;
Wherein, described carrier phase synchronization register and described modulating-coding model calling;
Described carrier phase synchronization register, for receiving the Parallel Digital audio signal that described audio-source sends, and receive the described carrier signal of described frequency synthesizer transmission, according to carrier signal, Phase synchronization process is carried out so that the phase place of described Parallel Digital audio signal is adjusted to the Phase synchronization with described carrier signal to described Parallel Digital audio signal, generate the Parallel Digital audio signal after Phase synchronization process, the Parallel Digital audio signal after Phase synchronization process is sent to described modulating-coding module;
Accordingly, described modulating-coding module, specifically for receive described carrier phase synchronization register send Phase synchronization process after Parallel Digital audio signal, generate m road parallel modules switch controlling signal after carrier synchronization and coding are carried out to the Parallel Digital audio signal after Phase synchronization process, described m road parallel modules switch controlling signal is sent to described serial distribution module.
3. device according to claim 2, is characterized in that, described phase-locked loop module, also for:
Described carrier signal is carried out the clock signal that process of frequency multiplication generates carrier frequency 16 frequency multiplication, and the clock signal of described carrier frequency 16 frequency multiplication is sent to described modulating-coding module;
Accordingly, described modulating-coding module, also for:
Receive the clock signal of described carrier frequency 16 frequency multiplication that described phase-locked loop module sends;
Accordingly, described carrier synchronization and coding are carried out to the Parallel Digital audio signal after Phase synchronization process after generate m road parallel modules switch controlling signal, comprising:
Clock signal according to described carrier frequency 16 frequency multiplication carries out carrier synchronization and coding to the Parallel Digital audio signal after Phase synchronization process, generates described m road parallel modules switch controlling signal.
4. a signal receiving device, is characterized in that, comprising:
N serioparallel exchange group, and m RF power module;
Wherein each serioparallel exchange group is connected with p RF power module, and wherein, m=n*p, m are greater than the positive integer that 1 is less than or equal to 224, and n is greater than the positive integer that 1 is less than or equal to 28, and p is positive integer;
Each described serioparallel exchange group, for the road serial module switch controlling signal that the serial distribution module in Received signal strength dispensing device sends, and receive the clock signal of a road carrier frequency p frequency multiplication and the carrier signal of a road equal duty ratio of the distribution drive circuit transmission in described sender unit, according to the clock signal of a road carrier frequency p frequency multiplication and the carrier signal of a road equal duty ratio, serial-to-parallel conversion process is carried out to a road serial module switch controlling signal and generate p road power model switch controlling signal, the carrier signal of Bing Dui mono-road equal duty ratio is carried out driving process and is generated p road homophase carrier signal, each road power model switch controlling signal is sent to respectively each RF power module in p RF power module, Bing Jiangge road homophase carrier signal sends to each RF power module in p RF power module respectively,
Each described RF power module, for receiving a road power model switch controlling signal and a road homophase carrier signal of each described serioparallel exchange group transmission, amplify a road homophase carrier signal according to a road power model switch controlling signal, amplification Hou mono-road homophase carrier signal is sent to radio-frequency synthesis network.
5. device according to claim 4, is characterized in that, each described serioparallel exchange group, comprising: serioparallel exchange submodule and allocation of carriers submodule;
Wherein, described serioparallel exchange submodule and the serial distribution module in described sender unit, distribute drive circuit and be connected, described allocation of carriers submodule is connected with the distribution drive circuit in described sender unit, and described serioparallel exchange submodule and described allocation of carriers submodule are connected with p RF power module;
Described serioparallel exchange submodule, for the road serial module switch controlling signal that the serial distribution module received in described sender unit sends, and receive the clock signal of a road carrier frequency p frequency multiplication and the carrier signal of a road equal duty ratio of the distribution drive circuit transmission in described sender unit, according to the clock signal of a road carrier frequency p frequency multiplication and the carrier signal of a road equal duty ratio, serial-to-parallel conversion process is carried out to a road serial module switch controlling signal and generate p road power model switch controlling signal, each road power model switch controlling signal is sent to respectively each RF power module in p RF power module,
Described allocation of carriers submodule, for the carrier signal of the road equal duty ratio that the distribution drive circuit received in described sender unit sends, driving process is carried out to the carrier signal of a road equal duty ratio and generates p road homophase carrier signal, each road homophase carrier signal is sent to respectively each RF power module in p RF power module.
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| CN201521082495.3U CN205232220U (en) | 2015-12-22 | 2015-12-22 | Signal transmitter and signal receiver |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106911357A (en) * | 2015-12-22 | 2017-06-30 | 国家新闻出版广电总局无线电台管理局 | Method for transmitting signals, sender unit and signal receiving device |
| CN109687892A (en) * | 2018-12-19 | 2019-04-26 | 深圳易联凯科技有限公司 | A kind of signal modulating system and method |
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2015
- 2015-12-22 CN CN201521082495.3U patent/CN205232220U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106911357A (en) * | 2015-12-22 | 2017-06-30 | 国家新闻出版广电总局无线电台管理局 | Method for transmitting signals, sender unit and signal receiving device |
| CN106911357B (en) * | 2015-12-22 | 2020-03-24 | 国家新闻出版广电总局无线电台管理局 | Signal transmission method, signal transmitting apparatus and signal receiving apparatus |
| CN109687892A (en) * | 2018-12-19 | 2019-04-26 | 深圳易联凯科技有限公司 | A kind of signal modulating system and method |
| CN109687892B (en) * | 2018-12-19 | 2021-06-18 | 深圳易联凯科技有限公司 | Signal modulation system and method |
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