CN105812963A - Interphone relay system and signal transition method - Google Patents
Interphone relay system and signal transition method Download PDFInfo
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- CN105812963A CN105812963A CN201410843074.1A CN201410843074A CN105812963A CN 105812963 A CN105812963 A CN 105812963A CN 201410843074 A CN201410843074 A CN 201410843074A CN 105812963 A CN105812963 A CN 105812963A
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Abstract
The invention relates to an interphone relay system and a signal transition method, which solve a problem that communication between prior digital equipment and analog equipment cannot be realized in the prior art. The interphone relay system comprises a digital transfer system for converting a received first digital radio frequency signal to a first digital signal, a control device for converting the first digital signal to a first pulse coded modulation PCM signal, a voice digital-to-analogue conversion device for converting a first PCM signal to a first analogaudio frequency signal, an analog transfer device for converting the first analog audio frequency signal to a first analog radio frequency signal to transmit. The interphone relay system can generate the first analog radio frequency signal to transmit by converting the received first digital radio frequency signal by the system, realize the signal conversion between the digital device and the analog device, and further realize the communication between the digital device and the analog device.
Description
Technical field
The present invention relates to wireless communication field, particularly relate to relay system and the signal conversion method of a kind of transmitter receiver.
Background technology
Along with DMR (DigitalMobileRadio, data mobile wireless electric standard) etc. the exploitation of the maturation of wireless digital private network wireless communication standard and the digital terminal of relevant criterion and relay system be becoming better and approaching perfection day by day, the equipment of these standards practical is also accepted by more users, in recent years, these standards are more and more extensive in the application in the fields such as various digital intercom terminals and relay system.
In intercommunication relay system conventional at present, traditional simulation intercommunication is only supported the relaying between simulation 12.5K bandwidth or 25K bandwidth Imitating transmitter receiver；Novel digital intercom relaying, although both supported the trunking traffic between digital handset, also supports to carry out trunking traffic between analog-interphone；But cannot realize communicating between digital intercom with analog-interphone.
In sum, current existing digital device and simulator cannot realize the communication of equipment room.
Summary of the invention
The present invention provides relay system and the signal conversion method of the first transmitter receiver, in order to solve the problem that in prior art, the current existing digital device of existence and simulator cannot realize the communication of equipment room.
The relay system of a kind of transmitter receiver that the embodiment of the present invention provides, this system includes: numeral transferring equipment, control equipment, voice digital-to-analogue conversion equipment and simulation transferring equipment；Wherein, numeral transferring equipment is connected with controlling equipment；Control equipment is connected with voice digital-to-analogue conversion equipment；Voice digital-to-analogue conversion equipment is connected with simulation transferring equipment；
Described numeral transferring equipment, for converting the first digital radio signal received to first digital signal；
Described control equipment, for being converted to the first pulse code modulation PCM signal by described first digital signal；
Described voice digital-to-analogue conversion equipment, for converting described first PCM signal to first simulated audio signal；
Described simulation transferring equipment, for converting the first analog radio-frequency signal to by described first simulated audio signal and send.
The relay system of the second transmitter receiver that the embodiment of the present invention provides, this system includes: numeral transferring equipment, control equipment, voice digital-to-analogue conversion equipment and simulation transferring equipment；Wherein, numeral transferring equipment is connected with controlling equipment；Control equipment is connected with voice digital-to-analogue conversion equipment；Voice digital-to-analogue conversion equipment is connected with simulation transferring equipment；
Described simulation transferring equipment, for converting the first analog radio-frequency signal to second simulated audio signal；
Described voice digital-to-analogue conversion equipment, for changing into the second PCM signal by described second simulated audio signal；
Described control equipment, for converting described second PCM signal to the 3rd digital signal；
Described numeral transferring equipment, for converting the second digital radio signal to by described 3rd digital signal and send.
The relay system of the third transmitter receiver that the embodiment of the present invention provides, this system includes the relay system of the first transmitter receiver and the relay system of the second transmitter receiver.
The signal conversion method of a kind of transmitter receiver that the embodiment of the present invention provides, the method includes:
Described first digital radio signal, after the first digital radio signal received, is converted to the first digital signal, and is sent to described control equipment by numeral transferring equipment；After receiving described 3rd digital signal that described control equipment sends, described 3rd digital signal is converted to the second digital radio signal and sends；
Described first digital signal, after receiving the first digital signal that described numeral transferring equipment sends, is converted to the first PCM signal, and described first PCM signal is sent to described voice digital-to-analogue conversion equipment by control equipment；After receiving the second PCM signal that described voice digital-to-analogue conversion equipment sends, described second PCM signal is converted to the 3rd digital signal, and described 3rd digital signal is sent to described numeral transferring equipment；
Described first PCM signal, after receiving the first PCM signal that described control equipment sends, is converted to the first simulated audio signal, and described first simulated audio signal is sent to described simulation transferring equipment by voice digital-to-analogue conversion equipment；After receiving the second simulated audio signal that described simulation transferring equipment sends, described second simulated audio signal is converted to described second PCM signal, and described second PCM signal is sent to described control equipment；
Described first simulated audio signal, after receiving described first simulated audio signal that described voice digital-to-analogue conversion equipment sends, is converted to the first analog radio-frequency signal and sends by simulation transferring equipment；After receiving the first analog radio-frequency signal, described first analog radio-frequency signal is converted to the second simulated audio signal, and is sent to described voice digital-to-analogue conversion equipment.
Owing to the relay system in the embodiment of the present invention includes: numeral transferring equipment, control equipment, voice digital-to-analogue conversion equipment and simulation transferring equipment；Numeral transferring equipment, for converting the receive first digital radio signal to first digital signal, again through control equipment, the first digital signal is converted to the first pulse code modulation PCM signal, then pass through voice digital-to-analogue conversion equipment and convert the first PCM signal to first simulated audio signal, convert the first simulated audio signal to first analog radio-frequency signal finally by simulating transferring equipment and send.Thus, adopt the system of the embodiment of the present invention, can by the conversion through system of the first digital radio signal of receiving, generate the first analog radio-frequency signal and send, it is thus achieved that the conversion of signal between digital device and simulator, further it is capable of the communication between digital device and simulator.
Accompanying drawing explanation
The schematic diagram that the relay system that Fig. 1 provides for the embodiment of the present invention connects；
The internal structure schematic diagram of the digital transferring equipment that Fig. 2 provides for the embodiment of the present invention；
The internal structure schematic diagram controlling equipment that Fig. 3 provides for the embodiment of the present invention；
The internal structure schematic diagram of the simulation transferring equipment that Fig. 4 provides for the embodiment of the present invention；
The population structure schematic diagram of the relay system that Fig. 5 provides for the embodiment of the present invention；
The flow chart of the signal conversion method of a kind of transmitter receiver that Fig. 6 provides for the embodiment of the present invention；
The flow chart of the signal conversion method that Fig. 7 intends for the digital revolving die that the embodiment of the present invention provides；
The flow chart of the signal conversion method of the analog-to-digital that Fig. 8 provides for the embodiment of the present invention；
The flow chart of the signal conversion method of the digital revolution word that Fig. 9 provides for the embodiment of the present invention；
The flow chart of the signal conversion method that Figure 10 intends for the simulation revolving die that the embodiment of the present invention provides.
Detailed description of the invention
The relay system that the embodiment of the present invention provides, this system includes: numeral transferring equipment, control equipment, voice digital-to-analogue conversion equipment and simulation transferring equipment；Wherein, numeral transferring equipment is connected with controlling equipment；Control equipment is connected with voice digital-to-analogue conversion equipment；Voice digital-to-analogue conversion equipment is connected with simulation transferring equipment；Numeral transferring equipment, for converting the first digital radio signal received to first digital signal；Control equipment, for being converted to the first pulse code modulation PCM signal by the first digital signal；Voice digital-to-analogue conversion equipment, for converting the first PCM signal to first simulated audio signal；Simulation transferring equipment, for converting the first simulated audio signal to first analog radio-frequency signal and sending.Adopt the system of the embodiment of the present invention, can by the conversion through system of the first digital radio signal of receiving, generate the first analog radio-frequency signal and send, it is thus achieved that the conversion of signal between digital device and simulator, further it is capable of the communication between digital device and simulator.
Below in conjunction with Figure of description, the preferred embodiments of the present invention are illustrated, it will be appreciated that preferred embodiment described herein is merely to illustrate and explains the present invention, is not intended to limit the present invention.And when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.
Below in conjunction with accompanying drawing, with specific embodiment, method and system provided by the invention are described in detail.
Embodiments provide three kinds of relay systems, the relay system that relay system, the relay system of analog-to-digital and the digital-to-analogue that namely numeral revolving die is intended is changed mutually, describe in detail for these three system separately below.
The first, numeral revolving die intend relay system；
The first relay system that the embodiment of the present invention provides, as it is shown in figure 1, this system includes: numeral transferring equipment 10, control equipment 20, voice digital-to-analogue conversion equipment 30 and simulation transferring equipment 40；Wherein, numeral transferring equipment 10 is connected with control equipment 20；Control equipment 20 is connected with voice digital-to-analogue conversion equipment 30；Voice digital-to-analogue conversion equipment 30 is connected with simulation transferring equipment 40；
Numeral transferring equipment 10, for converting the first digital radio signal received to first digital signal；
Control equipment 20, for being converted to the first pulse code modulation PCM signal by the first digital signal；
Voice digital-to-analogue conversion equipment 30, for converting the first PCM signal to first simulated audio signal；
Simulation transferring equipment 40, for converting the first simulated audio signal to first analog radio-frequency signal and sending.
The first relay system that the embodiment of the present invention provides, this relay system can realize the digital signal conversion to analogue signal, this system includes numeral transferring equipment 10, control equipment 20, voice digital-to-analogue conversion equipment 30 and simulation transferring equipment 40, and these four equipment are linked in sequence successively, the digital radio signal that numeral transferring equipment 10 will receive, by controlling the conversion of equipment 20, voice digital-to-analogue conversion equipment 30 and simulation transferring equipment 40, ultimately form analog radio-frequency signal and send by simulating transferring equipment 40.
In recent years, various digital intercom terminals and relay system adopt in various applications, but owing to digital device and existing simulator have bigger difference due to standard and system, therefore cannot realize the intercommunication of equipment room.So cause that new digital display circuit well cannot merge with old analog systems, or original analog systems can only be eliminated, all use new digital display circuit, so cause relatively larger waste；Or the various independent operating of system of two different systems, so can not reach better effectively management.The first relay system adopting the embodiment of the present invention to provide, realizes application simulation transmitter receiver well and receives the function of digital handset signal, and then achieve the fine fusion of digital display circuit and old analog systems.
The first relay system that the embodiment of the present invention provides specifically includes that numeral transferring equipment 10, control equipment 20, voice digital-to-analogue conversion equipment 30 and simulation 40 4 equipment of transferring equipment, describes in detail for these four equipment separately below.
It is preferred that numeral transferring equipment 10 includes: the first radio frequency signal receiver 101, digital received antenna 102 and the first baseband processor 103；
First radio frequency signal receiver 101, for the first digital radio signal received by digital received antenna 102 is demodulated obtaining the first low intermediate frequency signal, and is sent to the first baseband processor 103 by the first low intermediate frequency signal；
First baseband processor 103, for obtaining the first digital signal by the first low intermediate frequency signal conciliation and decoding.
As in figure 2 it is shown, the internal structure schematic diagram of the digital transferring equipment provided for the embodiment of the present invention；This numeral transferring equipment 10 includes: the first radio frequency signal receiver 101, digital received antenna 102 and 103 3 devices of the first baseband processor, and digital received antenna 102 is connected with the first radio frequency signal receiver 101, the first radio frequency signal receiver 101 is connected with the first baseband processor 103.
Concrete, the radiofrequency signal of eating dishes without rice or wine (i.e. the first digital radio signal) being received the transmission of upstream digital transmitter receiver by digital received antenna 102 is demodulated to the first low intermediate frequency signal less than 1MHz by the first radio frequency signal receiver 101, and the first low intermediate frequency signal obtained is sent to the first baseband processor 103；First baseband processor 103 is after receiving the first low intermediate frequency signal that the first radio frequency signal receiver 101 sends, this first low intermediate frequency signal is demodulated and decoding obtains the first digital signal, and interrupt reminding control equipment 20 to take demodulation and decoding away from numeral transferring equipment 10 and obtain the first digital signal.
In enforcement, first radio frequency signal receiver 101 can adopt the reception equipment of the various transmitter receivers such as the simulation ride in traditional vehicular transmitter receiver and the reception equipment in portable interphone, just by one, the first radio frequency signal receiver 101 can be simulated transfer downstream plant plus first baseband processor 103 and be transformed into the digital transfer downstream plant of a digital intercom；First baseband processor 103 adopts HR_CB600 chip, is mainly used in the first low intermediate frequency signal received is demodulated and decoding obtains the first digital signal.
After numeral transferring equipment 10 converts the first digital radio signal received to first digital signal, the first digital signal can be converted to the first pulse code modulation PCM signal by control equipment 20, in detail below control equipment 20 is introduced.
It is preferred that control equipment 20 includes: signal adapter 201 and numeral signal repeater 202；
Signal adapter 201, obtains digital signalling and digital speech for the first digital signal is carried out parsing, digital speech is carried out speech decompression and obtains the first PCM signal；
Digital signal transponder 202, for being sent to voice digital-to-analogue conversion equipment 30 by the first PCM signal；
As it is shown on figure 3, the internal structure schematic diagram controlling equipment provided for the embodiment of the present invention；This control equipment 20 includes: signal adapter 201 and numeral 202 two devices of signal repeater.
Concrete, due to the first baseband processor 103 this first low intermediate frequency signal is demodulated and after decoding obtains the first digital signal, interrupt reminding control equipment 20 to take demodulation and decoding away from numeral transferring equipment 10 and obtain the first digital signal, thus control equipment 20 after getting the first digital signal from numeral transferring equipment 10, signal adapter 201 is according to consensus standard set in advance, first digital signal is carried out parsing and obtains digital speech and digital signalling, and digital speech is carried out the first PCM signal of speech decompression generation 128Kbps speed；Then signal adapter 201 is sent to voice digital-to-analogue conversion equipment 30 by the first PCM signal that speech decompression obtains by digital signal transponder 202.
In actual application, owing to simulation transferring equipment 40 is after receiving the first simulated audio signal, actively the first simulated audio signal modulation can not be obtained the first analog radio-frequency signal to launch, so that control equipment 20 puies forward forward simulation transferring equipment 40 sends a triggering signal, it is introduced in detail below.
It is preferred that control equipment 20 also includes: the first trigger 203, for sending the first triggering signal to simulation transferring equipment 40；
That is, as shown in Figure 3, control equipment 20 is except including signal adapter 201 and numeral 202 two devices of signal repeater, also include first trigger 203, for sending the first triggering signal to simulation transferring equipment 40, wherein first trigger signal and enable for the transmission opening simulation transferring equipment 40, in order to simulation transferring equipment 40 will receive after the first simulated audio signal is modulated into the first analog radio-frequency signal, it is possible to is launched by the first analog radio-frequency signal.
In enforcement, signal adapter 201 carries out resolving the consensus standard set in advance of reference and can set as required, for instance can select DMR agreement etc..Control equipment 20 adopts STM32F407VE chip, is mainly used in being converted to the first digital signal the first pulse code modulation PCM signal.
Concrete, voice digital-to-analogue conversion equipment 30 adopts the codec of ALC5621 chip, is mainly used in that the first PCM signal received is carried out digital-to-analogue conversion and obtains the first simulated audio signal.
Simulation transferring equipment 40 is mainly used in converting the first simulated audio signal to first analog radio-frequency signal and sending, and in detail below simulation transferring equipment 40 is introduced.
It is preferred that simulation transferring equipment 40, including: the second RF signal transmitter 402 and analog transmissions antenna 401；
Second RF signal transmitter 402, for, after receiving the first triggering signal, being modulated into the first analog radio-frequency signal, and sent by analog transmissions antenna 401 by the first simulated audio signal.
As shown in Figure 4, the internal structure schematic diagram of the simulation transferring equipment provided for the embodiment of the present invention；This simulation transferring equipment 40 includes: the second RF signal transmitter 402 and 401 two devices of analog transmissions antenna, and analog transmissions antenna 401 is connected with the second RF signal transmitter 402.
Concrete, after the first triggering signal that second RF signal transmitter 402, first trigger 203 in receiving control equipment 20 sends, it is modulated obtaining the first analog radio-frequency signal by the first simulated audio signal that the voice digital-to-analogue conversion equipment 30 received sends, and incite somebody to action and obtain the first analog radio-frequency signal and sent by transmitting antenna 401, in order to other analog-interphone terminal in relay system net carries out downlink reception.
In enforcement, second RF signal transmitter 402 can adopt the transmitting equipment of the various transmitter receivers such as the simulation ride in traditional vehicular transmitter receiver and the transmission equipment in portable interphone, and the second RF signal transmitter 402 and transmitting antenna 401 together form a simulation transfer downstream plant.
Digital transferring equipment 10 in the relay system that above-mentioned numeral revolving die is intended, add a RF signal transmitter and baseband processor, just can be transformed into the transferring equipment being capable of numeral revolution word, after transfer, can effectively increasing the power of digital signal, the distance making the radio signal transmission of output is farther.Introduce numeral transferring equipment 10 in detail below and realize the process of numeral revolution word.
It is preferred that control equipment 20 includes: signal adapter 201 and numeral signal repeater 202；
Signal adapter 201, obtains digital signalling and digital speech for the first digital signal is carried out parsing, digital signalling and digital speech is carried out again framing and obtains the second digital signal；
Digital signal transponder 202, for being sent to numeral transferring equipment by the second digital signal；
As it is shown on figure 3, the internal structure schematic diagram controlling equipment provided for the embodiment of the present invention；This control equipment 20 includes: signal adapter 201 and numeral 202 two devices of signal repeater.Accordingly, in the process of digital revolution word realizing signal, two device signal transducers 201 and the function of numeral signal repeater 202 in control equipment 20 also there occurs certain change.
Concrete, due to the first baseband processor 103 this first low intermediate frequency signal is demodulated and after decoding obtains the first digital signal, interrupt reminding control equipment 20 to take demodulation and decoding away from numeral transferring equipment 10 and obtain the first digital signal, thus control equipment 20 after getting the first digital signal from numeral transferring equipment 10, signal adapter 201 is according to consensus standard set in advance, first digital signal is carried out after parsing obtains digital speech and digital signalling, digital signalling can also be carried out again framing together with digital speech and obtain the second digital signal by signal adapter 201；Then pass through digital signal transponder 202 and signal adapter 201 is sent to numeral transferring equipment 10 by the second digital signal that framing again obtains.
In order to make numeral transferring equipment 10 be capable of the function of numeral revolution word, the basis of above-mentioned numeral transferring equipment 10 adds a RF signal transmitter and baseband processor, is introduced in detail below.
It is preferred that numeral transferring equipment 10 also includes: second baseband processor the 104, first RF signal transmitter 105 and numeral transmitting antenna 106；
Second baseband processor 104, the second digital signal encoding and modulation for being sent by the digital signal transponder received obtain the first baseband signal, and the first baseband signal is sent to the first RF signal transmitter 105；
First RF signal transmitter 105, for the first modulates baseband signals obtains the second digital radio signal, and is sent by digital transmission antenna 106.
As in figure 2 it is shown, the internal structure schematic diagram of the digital transferring equipment provided for the embodiment of the present invention；This numeral transferring equipment 10 also includes: second baseband processor the 104, first RF signal transmitter 105 and numeral 106 3 devices of transmitting antenna, and digital transmission antenna 106 is connected with the first RF signal transmitter 105, the first RF signal transmitter 105 is connected with the second baseband processor 104.
Concrete, second encoding digital signals of digital signal transponder 202 transmission in the second baseband processor 104 control equipment 20 to receiving and the process of two points modulation, obtain a two points modulation signal (i.e. the first baseband signal), and the two points modulation signal (i.e. the first baseband signal) obtained is sent to the first RF signal transmitter 105；First RF signal transmitter 105 is modulated obtaining the second digital radio signal by receiving the two points modulation signal (i.e. the first baseband signal) that the second baseband processor 104 sends, and the second digital radio signal will be obtained sent by digital transmission antenna 106, in order to other digital handset terminal in relay system net carries out downlink reception.
In enforcement, the first RF signal transmitter 105 can adopt the transmitting equipment of the various transmitter receivers such as the simulation ride in traditional vehicular transmitter receiver and the transmission equipment in portable interphone；Second baseband processor 104 adopts HR_CB600 chip, is mainly used in the second encoding digital signals and the modulation of the digital signal transponder received transmission are obtained the first baseband signal, and the first baseband signal is sent to the first RF signal transmitter 105.
Except the first relay system above-mentioned, the embodiment of the present invention additionally provides the relay system of a kind of analog-to-digital, is specifically introduced below.
The second, analog-to-digital relay system；
The work process of this relay system is similar with said system, and the order of the equipment being only carried out action there occurs change.
Concrete, the second relay system of embodiment of the present invention offer, this system includes: numeral transferring equipment 10, control equipment 20, voice digital-to-analogue conversion equipment 30 and simulation transferring equipment 40；Wherein, numeral transferring equipment 10 is connected with control equipment 20；Control equipment 20 is connected with voice digital-to-analogue conversion equipment 30；Voice digital-to-analogue conversion equipment 30 is connected 40 with simulation transferring equipment；
Simulation transferring equipment 40, for converting the first analog radio-frequency signal to second simulated audio signal；
Voice digital-to-analogue conversion equipment 30, for changing into the second PCM signal by the second simulated audio signal；
Control equipment 20, for converting the second PCM signal to the 3rd digital signal；
Numeral transferring equipment 10, for converting the 3rd digital radio signal to by the 3rd digital signal and send.
The second relay system that the embodiment of the present invention provides, this relay system can realize the analogue signal conversion to digital signal, this system includes numeral transferring equipment 10, control equipment 20, voice digital-to-analogue conversion equipment 30 and simulation transferring equipment 40, and these four equipment are linked in sequence successively, the first analog radio-frequency signal that simulation transferring equipment 40 will receive, the conversion of logical voice digital-to-analogue conversion equipment 30, control equipment 20 and numeral transferring equipment 10, is ultimately formed the 3rd digital radio signal and is sent by numeral transferring equipment 10.
The second relay system that the embodiment of the present invention provides specifically includes that numeral transferring equipment 10, control equipment 20, voice digital-to-analogue conversion equipment 30 and simulation 40 4 equipment of transferring equipment, describes in detail for these four equipment separately below.
It is preferred that simulation transferring equipment 40 includes: the second radio frequency signal receiver 403 and simulation reception antenna 404；
Second radio frequency signal receiver 403, for converting the second analog radio-frequency signal received by simulating reception antenna 404 to second simulated audio signal, and is sent to voice digital-to-analogue conversion equipment 30 by the second simulated audio signal.
As shown in Figure 4, the internal structure schematic diagram of the simulation transferring equipment provided for the embodiment of the present invention；This simulation transferring equipment 40 also includes: the second radio frequency signal receiver 403 and simulation 404 two devices of reception antenna, and simulation reception antenna 404 is connected with the second radio frequency signal receiver 403.
Concrete, the radiofrequency signal of eating dishes without rice or wine (i.e. the second analog radio-frequency signal) receiving the transmission of up analog-interphone by simulating reception antenna 404 is demodulated to the second simulated audio signal by the second radio frequency signal receiver 403, and the second simulated audio signal obtained is sent to voice digital-to-analogue conversion equipment 30.
In actual application, owing to numeral transferring equipment 10 can not actively to converting the 3rd digital radio signal to and launch receiving the 3rd digital signal, so that simulation transferring equipment 40 sends one to control equipment 20 in advance triggers signal, to control equipment 20 can notify that numeral transferring equipment 10 is opened transmission and enabled, it is introduced in detail below.
In enforcement, voice digital-to-analogue conversion equipment 30 adopts the codec of ALC5621 chip, is mainly used in that the second simulated audio signal received carries out ADC sampling and produces second PCM signal of 128Kbps.
It is preferred that simulation transferring equipment also includes: the second trigger 406, for sending the second triggering signal to control equipment 20；
That is, as shown in Figure 4, simulation transferring equipment 40 is except including the second radio frequency signal receiver 403 and simulation 404 two devices of reception antenna, also include second trigger 406, for sending the second triggering signal to control equipment 20, wherein, second triggers signal is used for reminding control equipment 20 actively to go to read the second PCM signal to voice digital-to-analogue conversion equipment 30, and can notify that numeral transferring equipment 10 is opened transmission and enabled by control equipment 20, so that numeral transferring equipment 10 will receive after the 3rd digital signal that control equipment 20 sends carries out being converted to the 3rd digital radio signal, 3rd digital radio signal can be launched.
In enforcement, second radio frequency signal receiver 403 can adopt the reception equipment of the various transmitter receivers such as the simulation ride in traditional vehicular transmitter receiver and the reception equipment in portable interphone, and the second radio frequency signal receiver 403 and simulation reception antenna 404 together form a simulation transfer uplink receiving equipment.
After control equipment 20 reads the second PCM signal from voice digital-to-analogue conversion equipment 30, the second PCM signal can also be converted to the 3rd digital signal by control equipment 20, in detail below control equipment 20 is introduced.
It is preferred that control equipment 20 includes: signal adapter 201 and numeral signal repeater 202；
Signal adapter 201, for, after receiving the second triggering signal, obtaining the 3rd digital signal by the second PCM signal compression with framing again；
Digital signal transponder 202, for being sent to numeral transferring equipment by the 3rd digital signal；
As it is shown on figure 3, the internal structure schematic diagram controlling equipment provided for the embodiment of the present invention；This control equipment 20 includes: signal adapter 201 and numeral 202 two devices of signal repeater.
Concrete, owing to the signal adapter 201 in control equipment 20 is after receiving the second triggering signal that the second trigger 406 simulated in transferring equipment 40 sends, control equipment 20 can set from voice digital-to-analogue conversion and read the second PCM signal 30, and be compressed the second PCM signal read obtaining the 3rd digital signal with framing again, then pass through digital signal transponder 202 and the 3rd digital signal is sent to numeral transferring equipment 10.
In actual application, owing to numeral transferring equipment 10 is after receiving the 3rd digital signal that control equipment 20 sends, it is possible to the 3rd digital signal is converted to the 3rd digital radio signal and sends, is introduced in detail below.
It is preferred that numeral transferring equipment 10 also includes: second baseband processor the 104, first RF signal transmitter 105 and numeral transmitting antenna 106；
Second baseband processor 104, the 3rd digital signal encoding and modulation for being converted to by control equipment obtain the second baseband signal, and the second baseband signal is sent to the first RF signal transmitter；
First RF signal transmitter 105, for the second modulates baseband signals obtains the 3rd digital radio signal, and is sent by digital transmission antenna 106.
As in figure 2 it is shown, the internal structure schematic diagram of the digital transferring equipment provided for the embodiment of the present invention；This numeral transferring equipment 10 also includes: second baseband processor the 104, first RF signal transmitter 105 and numeral 106 3 devices of transmitting antenna, and digital transmission antenna 106 is connected with the first RF signal transmitter 105, the first RF signal transmitter 105 is connected with the second baseband processor 104.
Concrete, control equipment 20 after being sent to numeral transferring equipment 10 by the 3rd digital signal, the second baseband processor 104 in numeral transferring equipment 10 can by the process of the 3rd encoding digital signals received and two points modulation, obtain a two points modulation signal (i.e. the second baseband signal), and the two points modulation signal (i.e. the second baseband signal) obtained is sent to the first RF signal transmitter 105；First RF signal transmitter 105 is after receiving the two points modulation signal (i.e. the second baseband signal) that the second baseband processor 104 sends, this two points modulation signal (i.e. the second baseband signal) is modulated, obtain the 3rd digital radio signal, and sent by digital transmission antenna 106, in order to other digital handset terminal in relay system net carries out downlink reception.
In enforcement, first RF signal transmitter 105 can adopt the transmitting equipment of the simulation ride in traditional vehicular transmitter receiver and the various transmitter receivers such as reception equipment in portable interphone, a simulation transferring equipment just can be transformed into by the first RF signal transmitter 105 plus second baseband processor 104 digital intercom digital transferring equipment down forward equipment；Second baseband processor 104 adopts HR_CB600 chip, is mainly used in the 3rd digital signal to receiving and is modulated obtaining the 3rd digital radio signal.
Simulation transferring equipment 40 in the relay system of above-mentioned analog-to-digital, it is also possible to realize the translation function that simulation revolving die is intended, after transfer, it is possible to the effective power increasing analogue signal, the distance making the radio signal transmission of output is farther.Introduce simulation transferring equipment 40 in detail below and realize the process that simulation revolving die is intended.
It is preferred that simulation transferring equipment 40 also includes: analogue signal transponder the 405, second RF signal transmitter 402 and analog transmissions antenna 401；
Analogue signal transponder 405, for the second simulated audio signal is sent to the second RF signal transmitter 402, and is sent to voice digital-to-analogue conversion equipment 30 by the second simulated audio signal；
Second RF signal transmitter 402, for the second simulated audio signal modulation is obtained the 3rd analog radio-frequency signal, and is sent by analog transmissions antenna 401.
As shown in Figure 4, the internal structure schematic diagram of the simulation transferring equipment provided for the embodiment of the present invention；This simulation transferring equipment 40 also includes: analogue signal transponder 405 and 402 two devices of the second RF signal transmitter.
Concrete, receive, by analogue signal reception antenna 404, the radiofrequency signal of eating dishes without rice or wine (i.e. the second analog radio-frequency signal) that up analog-interphone sends in the second radio frequency signal receiver 403, and after radiofrequency signal (i.e. the second analog radio-frequency signal) of eating dishes without rice or wine is demodulated to the second simulated audio signal, the second simulated audio signal obtained is sent to the second RF signal transmitter 402 by analogue signal transponder 405, second RF signal transmitter 402 is after receiving the second simulated audio signal that analogue signal transponder 405 sends, this second simulated audio signal is modulated into the 3rd analog radio-frequency signal, and sent by analog transmissions antenna 401, so that other analog-interphone terminal in relay system net carries out downlink reception.
In enforcement, second RF signal transmitter 402 can adopt the transmitting equipment of the various transmitter receivers such as the simulation ride in traditional vehicular transmitter receiver and the transmission equipment in portable interphone, and the second RF signal transmitter 402 and analog transmissions antenna 401 together form a simulation transfer downstream plant.
Except above-mentioned the first and the second relay system, the embodiment of the present invention additionally provides the relay system that a kind of digital-to-analogue is changed mutually, is specifically introduced below.
The third, the relay system changed mutually of digital-to-analogue；
The relay system of the third transmitter receiver that the embodiment of the present invention provides, this system includes the relay system of the first transmitter receiver and the relay system of the second transmitter receiver.That is; not only this system can realize numeral revolving die plan but also be capable of the function of analog-to-digital; namely it is the system of a digital-to-analogue mixed networking; the trunking traffic between trunking traffic and the novel digital handset of traditional analog transmitter receiver can not only be completed, moreover it is possible to realize the mixed communication between analog-interphone terminal and numeral interphone terminal；The third relay system this can support the interphone communication smooth transition from analog to digital very well, ensures and effectively mixes group communication between traditional analog transmitter receiver and new digital transmitter receiver, saves the cost that whole system updates further.As it is shown in figure 5, the population structure schematic diagram of the relay system provided for the embodiment of the present invention；Combine by the equipment in the first relay system and the second relay system.Wherein control to pass through I between equipment 20 and voice digital-to-analogue conversion equipment 302S interface carries out communication.
In actual production manufacture process, the digital transmission antenna, the digital received antenna that relate in the embodiment of the present invention can also increase duplexer as required and be merged into an antenna；The analog transmissions antenna related in the embodiment of the present invention and simulation reception antenna can use antenna separately, increase duplexer also according to needs and are merged into an antenna, as long as be capable of the function that four antennas realize respectively.
In actual production manufacture process; can produce as required; owing to the embodiment of the present invention mainly including five kinds of functions; i.e. numeral revolving die plans, analog-to-digital, numeral revolution word, simulation revolving die plan and five kinds of functions such as digital-to-analogue conversion mutually, thus user can produce respectively as required and comprise the equipment of all or part of function in the present invention.
Based on same inventive concept, the embodiment of the present invention additionally provides the signal conversion method of a kind of transmitter receiver, owing to the principle of the solved problem of the method is similar to the relay system of aforementioned transmitter receiver, therefore the enforcement of the method may refer to the enforcement of aforementioned system, repeats part and repeats no more.
The signal conversion method of a kind of transmitter receiver that the embodiment of the present invention provides, as shown in Figure 6, specifically includes following steps:
First digital radio signal, after the first digital radio signal received, is converted to the first digital signal, and is sent to control equipment by step 601, numeral transferring equipment；After receiving the 3rd digital signal that control equipment sends, the 3rd digital signal is converted to the 3rd digital radio signal and sends；
First digital signal, after receiving the first digital signal that numeral transferring equipment sends, is converted to the first PCM signal, and the first PCM signal is sent to voice digital-to-analogue conversion equipment by step 602, control equipment；After receiving the second PCM signal that voice digital-to-analogue conversion equipment sends, the second PCM signal is converted to the 3rd digital signal, and the 3rd digital signal is sent to numeral transferring equipment；
First PCM signal, after receiving the first PCM signal that control equipment sends, is converted to the first simulated audio signal, and the first simulated audio signal is sent to simulation transferring equipment by step 603, voice digital-to-analogue conversion equipment；After receiving the second simulated audio signal that simulation transferring equipment sends, the second simulated audio signal is converted to the second PCM signal, and the second PCM signal is sent to control equipment；
Step 604, simulation transferring equipment, after receiving the first simulated audio signal that voice digital-to-analogue conversion equipment sends, convert the first simulated audio signal to second analog radio-frequency signal and send；After receiving the second analog radio-frequency signal, the second analog radio-frequency signal is converted to the second simulated audio signal, and is sent to voice digital-to-analogue conversion equipment.
The signal conversion method of above-mentioned transmitter receiver is the signal conversion method of the third relay system changed mutually for digital-to-analogue, and the process of implementing is actually the process the first and the second relay system combined, thus repeats part and repeat no more.
In order to make explanation in further detail, numeral revolving die is given below and fits the particular flow sheet of two kinds of methods of analog-to-digital, as it is shown in fig. 7, the flow chart of signal conversion method that the digital revolving die provided for the embodiment of the present invention is intended, the method flow diagram that namely the first relay system above-mentioned is corresponding.
The first radio frequency signal receiver in step 701, numeral transferring equipment is after the first digital radio signal received by digital received antenna, first digital radio signal is demodulated obtaining the first low intermediate frequency signal, and the first low intermediate frequency signal is sent to the first baseband processor；
The first baseband processor in step 702, numeral transferring equipment is after receiving the first low intermediate frequency signal that the first radio frequency signal receiver sends, and the first low intermediate frequency signal conciliation and decoding are obtained the first digital signal, and is sent to control equipment；
The first digital signal received is carried out parsing and obtains digital signalling and digital speech by the signal adapter in step 703, control equipment, digital speech is carried out speech decompression and obtains the first PCM signal；
The first PCM signal that signal adapter decompression obtains is being sent to voice digital-to-analogue conversion equipment by the digital signal transponder in step 704, control equipment, meanwhile, sends the first triggering signal to simulation transferring equipment；
First PCM signal, after receiving the first PCM signal that control equipment sends, is carried out digital-to-analogue conversion and generates the first simulated audio signal, and the first simulated audio signal is sent to simulation transferring equipment by step 705, voice digital-to-analogue conversion equipment；
Step 706, simulation transferring equipment determine whether to receive the first triggering signal that control equipment sends, and if so, then perform step 707, otherwise, jump out this flow process；
First simulated audio signal, after receiving the first triggering signal that voice digital-to-analogue conversion equipment sends, is modulated into the first analog radio-frequency signal, and is sent by analog transmissions antenna by the second RF signal transmitter in step 707, simulation transferring equipment.
As shown in Figure 8, for the flow chart of signal conversion method of the analog-to-digital that the embodiment of the present invention provides, the method flow diagram that namely above-mentioned the second relay system is corresponding.
Step 801, simulation transferring equipment in the second radio frequency signal receiver pass through simulation reception antenna receive by the first analog radio-frequency signal after, convert the first analog radio-frequency signal to second simulated audio signal, and the second simulated audio signal is sent to voice digital-to-analogue conversion equipment, meanwhile, to controlling equipment transmission the second triggering signal；
Second simulated audio signal, after receiving the second simulated audio signal that simulation transferring equipment sends, is carried out analog digital conversion and generates the second PCM signal by step 802, voice digital-to-analogue conversion equipment；
Step 803, control equipment determine whether to receive the second triggering signal that simulation transferring equipment sends, and if so, then perform step 804, otherwise, jump out this flow process；
Signal adapter in step 804, control equipment is compressed by the second PCM signal that the voice digital-to-analogue conversion equipment received sends and framing obtains the 3rd digital signal again, and performs step 805；
The 3rd digital signal that signal adapter is converted to by the digital signal transponder in step 805, control equipment is sent to numeral transferring equipment；
3rd digital signal encoding and modulation, after receiving the 3rd digital signal that control equipment sends, are obtained the second baseband signal, and the second baseband signal are sent to the first RF signal transmitter by the second baseband processor in step 806, numeral transferring equipment；
Second baseband signal, after receiving the second baseband signal that the second baseband processor sends, is modulated obtaining the second digital radio signal, and is sent by digital transmission antenna by the first RF signal transmitter in step 807, numeral transferring equipment.
For the signal conversion method of above-mentioned transmitter receiver, the method that the method also includes realizing numeral revolution word.
It is preferred that control equipment is after receiving the first digital signal that numeral transferring equipment sends, also include:
First digital signal is carried out parsing and obtains the second digital signal by control equipment, and the second digital signal is sent to numeral transferring equipment；
The second digital signal modulated received is obtained the second digital radio signal by numeral transferring equipment, and is sent by digital transmission antenna.
The process that implements of the method is similar with the process of the digital revolution word introduced in system, repeats no more herein.
As it is shown in figure 9, the flow chart of signal conversion method of the digital revolution word provided for the embodiment of the present invention.
The first radio frequency signal receiver in step 901, numeral transferring equipment is after the first digital radio signal received by digital received antenna, first digital radio signal is demodulated obtaining the first low intermediate frequency signal, and the first low intermediate frequency signal is sent to the first baseband processor；
First low intermediate frequency signal, after receiving the first low intermediate frequency signal that the first radio frequency signal receiver sends, is mediated and decoding is obtained the first digital signal, and be sent to control equipment by the first baseband processor in step 902, numeral transferring equipment；
The first digital signal received is carried out parsing and obtains digital signalling and digital speech by the signal adapter in step 903, control equipment, digital signalling and digital speech is carried out again framing and obtains the second digital signal；
Digital signal transponder in step 904, control equipment is sent to numeral transferring equipment at the second digital signal obtained by signal adapter again framing；
The second baseband processor in step 905, numeral transferring equipment is after the second digital signal that the digital signal transponder received sends, second encoding digital signals and modulation are obtained the first baseband signal, and the first baseband signal is sent to the first RF signal transmitter；
First baseband signal, after receiving the first baseband signal that the second baseband processor sends, is modulated obtaining the second digital radio signal, and is sent by digital transmission antenna by the first RF signal transmitter in step 906, numeral transferring equipment.
For the signal conversion method of above-mentioned transmitter receiver, the method also includes realizing the method that simulation revolving die is intended.
It is preferred that simulation after transferring equipment converts the second analog radio-frequency signal to second simulated audio signal, also includes:
Second simulated audio signal modulation is obtained the 3rd analog radio-frequency signal by simulation transferring equipment, and is sent by analog transmissions antenna.
The process that the process that implements of the method is intended with the simulation revolving die introduced in system is similar, also repeats no more herein.
As shown in Figure 10, the flow chart of the signal conversion method that the simulation revolving die provided for the embodiment of the present invention is intended.
Step 1001, simulation transferring equipment in the second radio frequency signal receiver pass through simulation reception antenna receive by the first analog radio-frequency signal after, convert the first analog radio-frequency signal to second simulated audio signal；
The second simulated audio signal that second radio frequency signal receiver is converted to by the analogue signal transponder in step 1002, simulation transferring equipment is sent to the second RF signal transmitter；
The second RF signal transmitter in step 1003, simulation transferring equipment is after receiving the second simulated audio signal that analogue signal transponder sends, second simulated audio signal is modulated obtaining the first analog radio-frequency signal, and is sent by analog transmissions antenna.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, complete software implementation or the embodiment in conjunction with software and hardware aspect.And, the present invention can adopt the form at one or more upper computer programs implemented of computer-usable storage medium (including but not limited to disk memory, CD-ROM, optical memory etc.) wherein including computer usable program code.
The present invention is that flow chart and/or block diagram with reference to method according to embodiments of the present invention, equipment (system) and computer program describe.It should be understood that can by the combination of the flow process in each flow process in computer program instructions flowchart and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can be provided to produce a machine to the processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device so that the instruction performed by the processor of computer or other programmable data processing device is produced for realizing the device of function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions may be alternatively stored in and can guide in the computer-readable memory that computer or other programmable data processing device work in a specific way, the instruction making to be stored in this computer-readable memory produces to include the manufacture of command device, and this command device realizes the function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices provides for realizing the step of function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.
Although preferred embodiments of the present invention have been described, but those skilled in the art are once know basic creative concept, then these embodiments can be made other change and amendment.So, claims are intended to be construed to include preferred embodiment and fall into all changes and the amendment of the scope of the invention.
Claims (12)
1. the relay system of a transmitter receiver, it is characterised in that this system includes: numeral transferring equipment, control equipment, voice digital-to-analogue conversion equipment and simulation transferring equipment；Wherein, numeral transferring equipment is connected with controlling equipment；Control equipment is connected with voice digital-to-analogue conversion equipment；Voice digital-to-analogue conversion equipment is connected with simulation transferring equipment；
Described numeral transferring equipment, for converting the first digital radio signal received to first digital signal；
Described control equipment, for being converted to the first pulse code modulation PCM signal by described first digital signal；
Described voice digital-to-analogue conversion equipment, for converting described first PCM signal to first simulated audio signal；
Described simulation transferring equipment, for converting the first analog radio-frequency signal to by described first simulated audio signal and send.
2. system as described in claim 1, it is characterised in that described numeral transferring equipment includes: digital radio signal receptor, digital received antenna and the first baseband processor；
Described first radio frequency signal receiver, for the first digital radio signal received by digital received antenna is demodulated obtaining the first low intermediate frequency signal, and is sent to described first baseband processor by described first low intermediate frequency signal；
Described first baseband processor, for obtaining the first digital signal by described first low intermediate frequency signal conciliation and decoding.
3. system as described in claim 2, it is characterised in that described control equipment includes: signal adapter and numeral signal repeater；
Described signal adapter, digital signalling and digital speech is obtained for described first digital signal is carried out parsing, described digital signalling and described digital speech are carried out again framing and obtains the second digital signal, described digital speech is carried out speech decompression and obtains the first PCM signal；
Described digital signal transponder, for described second digital signal is sent to described numeral transferring equipment, and is sent to described voice digital-to-analogue conversion equipment by described first PCM signal；
Described numeral transferring equipment also includes: the second baseband processor, the first RF signal transmitter and numeral transmitting antenna；
Described second baseband processor, described second digital signal encoding and modulation for being sent by the described digital signal transponder received obtain the first baseband signal, and described first baseband signal is sent to described first RF signal transmitter；
Described first RF signal transmitter, for described first modulates baseband signals is obtained the second digital radio signal, and is sent by digital transmission antenna.
4. system as described in claim 3, it is characterised in that described control equipment also includes: the first trigger, for sending the first triggering signal to described simulation transferring equipment；
Described simulation transferring equipment, including: the second RF signal transmitter and analog transmissions antenna；
Described second RF signal transmitter, for, after receiving described first triggering signal, being modulated into the first analog radio-frequency signal by described first simulated audio signal, and sent by analog transmissions antenna.
5. the relay system of a transmitter receiver, it is characterised in that this system includes: numeral transferring equipment, control equipment, voice digital-to-analogue conversion equipment and simulation transferring equipment；Wherein, numeral transferring equipment is connected with controlling equipment；Control equipment is connected with voice digital-to-analogue conversion equipment；Voice digital-to-analogue conversion equipment is connected with simulation transferring equipment；
Described simulation transferring equipment, for converting the second analog radio-frequency signal to second simulated audio signal；
Described voice digital-to-analogue conversion equipment, for changing into the second PCM signal by described second simulated audio signal；
Described control equipment, for converting described second PCM signal to the 3rd digital signal；
Described numeral transferring equipment, for converting the 3rd digital radio signal to by described 3rd digital signal and send.
6. system as described in claim 5, it is characterised in that described simulation transferring equipment includes: the second radio frequency signal receiver and simulation reception antenna；
Described second radio frequency signal receiver, for the first analog radio-frequency signal converting the second simulated audio signal by what received by simulation reception antenna to, and is sent to described voice digital-to-analogue conversion equipment by described second simulated audio signal.
7. system as described in claim 6, it is characterised in that described simulation transferring equipment also includes: analogue signal transponder, the second RF signal transmitter and analog transmissions antenna；
Analogue signal transponder, for the second simulated audio signal is sent to described second RF signal transmitter, and is sent to described voice digital-to-analogue conversion equipment by described second simulated audio signal；
Described second RF signal transmitter, for described second simulated audio signal modulation is obtained the first analog radio-frequency signal, and is sent by analog transmissions antenna.
8. system as described in claim 6, it is characterised in that described simulation transferring equipment also includes: the second trigger, for sending the second triggering signal to described control equipment；
Described control equipment includes: signal adapter and numeral signal repeater；
Described signal adapter, for, after receiving the second triggering signal, obtaining the 3rd digital signal by described second PCM signal compression with framing again；
Described digital signal transponder, for being sent to described numeral transferring equipment by described 3rd digital signal；
Described numeral transferring equipment also includes: the second baseband processor, the first RF signal transmitter and numeral transmitting antenna；
Described second baseband processor, the 3rd digital signal encoding and modulation for being converted to by described control equipment obtain the second baseband signal, and described second baseband signal is sent to described first RF signal transmitter；
Described first RF signal transmitter, for described second modulates baseband signals is obtained the second digital radio signal, and is sent by digital transmission antenna.
9. the relay system of a transmitter receiver, it is characterised in that this system includes the arbitrary system of Claims 1 to 4 and the arbitrary system of claim 5～8.
10. the signal conversion method of a transmitter receiver, it is characterised in that the method includes:
Described first digital radio signal, after the first digital radio signal received, is converted to the first digital signal, and is sent to described control equipment by numeral transferring equipment；After receiving described 3rd digital signal that described control equipment sends, described 3rd digital signal is converted to the second digital radio signal and sends；
Described first digital signal, after receiving the first digital signal that described numeral transferring equipment sends, is converted to the first PCM signal, and described first PCM signal is sent to described voice digital-to-analogue conversion equipment by control equipment；After receiving the second PCM signal that described voice digital-to-analogue conversion equipment sends, described second PCM signal is converted to the 3rd digital signal, and described 3rd digital signal is sent to described numeral transferring equipment；
Described first PCM signal, after receiving the first PCM signal that described control equipment sends, is converted to the first simulated audio signal, and described first simulated audio signal is sent to described simulation transferring equipment by voice digital-to-analogue conversion equipment；After receiving the second simulated audio signal that described simulation transferring equipment sends, described second simulated audio signal is converted to described second PCM signal, and described second PCM signal is sent to described control equipment；
Described first simulated audio signal, after receiving described first simulated audio signal that described voice digital-to-analogue conversion equipment sends, is converted to the first analog radio-frequency signal and sends by simulation transferring equipment；After receiving the second analog radio-frequency signal, described second analog radio-frequency signal is converted to the second simulated audio signal, and is sent to described voice digital-to-analogue conversion equipment.
11. method as described in claim 10, it is characterised in that described control equipment, after receiving the first digital signal that described numeral transferring equipment sends, also includes:
Described first digital signal is carried out parsing and obtains the second digital signal by described control equipment, and described second digital signal is sent to described numeral transferring equipment；
Described second digital signal modulated received is obtained the second digital radio signal by described numeral transferring equipment, and is sent by digital transmission antenna.
12. method as described in claim 10, it is characterised in that described simulation transferring equipment also includes after converting described first analog radio-frequency signal to second simulated audio signal:
Described second simulated audio signal modulation is obtained the 3rd analog radio-frequency signal by described simulation transferring equipment, and is sent by analog transmissions antenna.
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| CN105812963B (en) | 2022-04-26 |
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