CN203912045U - Digital forwarding relay modem self-adaptive to a variety of modulation modes - Google Patents
Digital forwarding relay modem self-adaptive to a variety of modulation modes Download PDFInfo
- Publication number
- CN203912045U CN203912045U CN201320864644.6U CN201320864644U CN203912045U CN 203912045 U CN203912045 U CN 203912045U CN 201320864644 U CN201320864644 U CN 201320864644U CN 203912045 U CN203912045 U CN 203912045U
- Authority
- CN
- China
- Prior art keywords
- submodule
- electrically connected
- primary module
- data
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Radio Relay Systems (AREA)
Abstract
The utility model discloses a digital forwarding relay modem self-adaptive to a variety of modulation modes. The digital forwarding relay modem self-adaptive to a variety of modulation modes is characterized in that the digital forwarding relay modem comprises a receiving signal processing main module, a coordination processing main module, a data transmitting processing main module and an operation monitoring main module; an output end of the receiving signal processing module is electrically connected to an input end of the coordination processing main module, and is electrically connected to the operation monitoring main module in a bidirectional manner; the input end of the coordination processing main module is electrically connected to the output end of the receiving signal processing main module and asynchronous serial data respectively, and an output end of the coordination processing main module is electrically connected to an input end of the data transmitting processing main module; the operation monitoring main module is electrically connected in a bidirectional manner to the coordination processing main module, the receiving signal processing main module and the data transmitting processing main module respectively; and the input end of the data transmitting processing main module is electrically connected to the output end of the coordination processing main module to transmit a signal to a broadcasting station. The digital forwarding relay modem self-adaptive to a variety of modulation modes has the advantages of having one relay station and being capable of completing data communication between subordinate terminals of various different modulation modes and a master station only by use of one relay station.
Description
Technical field
The utility model relates to a kind of digital forward relay modulator-demodulator of self adaptation Different Modulations, and it is mainly used in the radio repeater station of power load monitoring system.
Background technology
In intelligent power monitoring system throughout the country, the communication private network that adopts wireless digital broadcasting station to build is part that commonly use and requisite.And in communication private network, for meeting telecommunication or communication, stop that the relay station setting up is also indispensable.
Current high-speed radio relay station, the general regenerative repeating forward mode that adopts, first convert the analog signal of receiving to data-signal, then convert data-signal to analog signal and send, in the front and back process of conversion, keep traffic rate and modulation system in full accord.
For many years, it is even higher that traffic rate develops into 19.2Kbps of today from initial 1.2Kbps in intelligent power monitoring system development, corresponding also how transition thereupon of wireless-modulated mode.Along with deepization and the become more meticulous development trend of various places power load monitoring system to power information management, the information data amount of required collection increases greatly, and original low-speed communication network cannot meet the demands, upgrades at a high speed imperative.Because traditional modulation /demodulation function all completes based on specific hardware chip, and each chip is all independent of one another incompatible, has caused and has adopted the radio repeater station of different modulating mode must adopt different modulator-demodulators.But in improved system, often under a relay station and depositing the terminal of several different modulating modes, at this moment each terminal must have the relay station of a set of coupling (concerning the relay station of these different modulating modes, main difference is exactly to have adopted different modulator-demodulators), cause a relay often to need to set up a few cover trunkings, waste time and energy.
Summary of the invention
The utility model is the digital forward relay modulator-demodulator of a kind of self adaptation Different Modulations of providing in order to solve the problems of the technologies described above.The digital forward relay modulator-demodulator of this self adaptation Different Modulations has adopted the software modularity processing mode based on DSP digital signal processor, different software module in a chip is processed for different modulator approaches respectively, overcome well the application limitation of single modem chip in the past, made a relay as long as adopt a set of relay station just can complete subordinate's multiple different modulating mode terminal and main 's data communication.
The technical scheme that the utility model is taked is: the digital forward relay modulator-demodulator of self adaptation Different Modulations, is characterized in: comprise that receiving signal processes primary module, Coordination Treatment primary module, data sending processing primary module and operation monitoring primary module; Described reception signal is processed primary module: for receiving signal from radio station and giving demodulation process, its output is electrically connected to the input of described Coordination Treatment primary module, and with described two-way electrical connection of operation monitoring primary module; Described Coordination Treatment primary module: disturb for solving the sudden bunchiness of radio communication; Output and asynchronous serial data that its input is processed primary module with described reception signal are respectively electrically connected to, and its output is electrically connected to the input of described data sending processing primary module; Described operation monitoring primary module: be mainly used in real time current reception and the transmission flow of monitoring, respectively with described Coordination Treatment primary module, receive that signal is processed primary module and data sending processing primary module is two-way is electrically connected to; Described data sending processing primary module: for to radio station transmitted signal, its input is electrically connected to the output of described Coordination Treatment primary module.
The digital forward relay modulator-demodulator of above-mentioned self adaptation Different Modulations, wherein, described reception signal is processed primary module and is comprised: receive signal filtering submodule: for filtering, receive the unnecessary noise signal of signal; Receive signal amplitude automatic gain submodule: the amplitude of the signal of reception is carried out to automatic gain processing; Receiving synchronous information analyzing sub-module: the analog signal synchronous head receiving is carried out to analyzing and processing judgement modulation system; Receiving signal demodulation submodule: carry out demodulation to obtain correct data according to the modulation system analog signal to identifying; The output of described reception signal filtering submodule is electrically connected to the input of described reception signal amplitude automatic gain submodule; The output of described reception signal amplitude automatic gain submodule is electrically connected to the input of described receiving synchronous information analyzing sub-module; The output of described receiving synchronous information analyzing sub-module is electrically connected to the input of described receiving signal demodulation submodule; The output of described receiving signal demodulation submodule is electrically connected to the input of Coordination Treatment primary module.
The digital forward relay modulator-demodulator of above-mentioned self adaptation Different Modulations, wherein, the receiving signal demodulation submodule that described reception signal is processed in primary module comprises: divider unit, frequency sampling and demodulating unit and amplitude sample demodulating unit; Wherein: the input of described frequency sampling and demodulating unit and described amplitude sample demodulating unit is electrically connected to the output of described receiving synchronous information analyzing sub-module respectively; Described frequency unit and described frequency sampling and demodulating unit and described two-way electrical connection of amplitude sample demodulating unit; The output of described frequency sampling and demodulating unit and described amplitude sample demodulating unit is electrically connected to the input of the Data classification submodule of Coordination Treatment primary module respectively.
The digital forward relay modulator-demodulator of above-mentioned self adaptation Different Modulations, wherein, the modulation system of described receiving signal demodulation submodule support and traffic rate mainly comprise 1.2Kbps/2FSK, 2.4Kbps/FFSK, 9.6Kbps/GMSK, 9.6Kbps/4-level CPFSK, 19.2Kbps/8-level CPFSK.
The digital forward relay modulator-demodulator of above-mentioned self adaptation Different Modulations, wherein, the described synchronous head in described receiving synchronous information analyzing sub-module comprises carrier pilot, synchronous code, rate information and channel guess value code.
The digital forward relay modulator-demodulator of above-mentioned self adaptation Different Modulations, wherein, described Coordination Treatment primary module comprises: Data classification submodule: for data are classified; Transceiving data extension process submodule: what exist between the data that receive and send for data buffering is asynchronous; Data interlacing is processed submodule: carry out data interlacing coding and process; Parameter is processed submodule: for preserving and feeding back current software version information, read and set current parameter; Described Data classification submodule is electrically connected to the output that described reception signal is processed primary module, and with described two-way electrical connection of transceiving data extension process submodule; Described transceiving data extension process submodule and data interlacing process that submodule is two-way to be electrically connected to; The output of this transceiving data extension process submodule is electrically connected to the input of described data sending processing primary module; Described parameter is processed submodule respectively with described operation monitoring primary module with Data classification submodule is two-way is electrically connected to.
The digital forward relay modulator-demodulator of above-mentioned self adaptation Different Modulations, wherein, the parameter that described parameter processing submodule reads and sets comprises serial ports speed, wireless communication rate, serial data form, sends the lead code time and receives signal amplitude gain.
The digital forward relay modulator-demodulator of above-mentioned self adaptation Different Modulations, wherein, described data sending processing primary module comprises: send synchronizing information and process submodule: traffic rate and the modulation system of for the first byte of the data according to receiving, determining transmitted signal, and according to agreement agreement, produce corresponding signal synchronous head; Transmitted signal modulation submodule: for modulation system and the traffic rate of determining that according to the information of synchronous head first byte transmitted signal adopts, process and generate corresponding transmission analog signal; Transmitted signal amplitude adjusting module: for the amplitude of the analog signal of transmission is adjusted to suitable gain ranging; The input of described transmission synchronizing information processing submodule is electrically connected to the output of described Coordination Treatment primary module; The output of described transmission synchronizing information processing submodule is electrically connected to the input of described transmitted signal modulation submodule; The input that the output of described transmitted signal modulation submodule is adjusted submodule with described transmitted signal amplitude is electrically connected to; This transmitted signal modulation submodule and with two-way electrical connection of described operation monitoring primary module; Described transmitted signal amplitude adjusting module output to radio station transmitted signal.
The digital forward relay modulator-demodulator of above-mentioned self adaptation Different Modulations, wherein, described transmitted signal modulation module comprises divider unit, frequency modulation unit and amplitude modulation unit; Wherein: the input of described frequency modulation unit and described amplitude modulation unit is electrically connected to the output that described transmission synchronizing information is processed submodule; Described divider unit is with described frequency modulation unit and amplitude modulation unit is two-way is electrically connected to; The output of described frequency modulation unit and described amplitude modulation unit is electrically connected to the input that described transmitted signal amplitude is adjusted submodule.
The digital forward relay modulator-demodulator of above-mentioned self adaptation Different Modulations, wherein, described operation monitoring primary module comprises data flow monitoring submodule, transmission flow monitoring submodule, Coordination Treatment flow monitoring submodule and reset submodule.Described data flow monitoring submodule, transmission flow monitoring submodule, Coordination Treatment flow monitoring submodule respectively with described two-way electrical connection of reset submodule.
Because the utility model has adopted above technical scheme, the technique effect of its generation is obvious:
The utility model is mainly comprised of reception signal processing primary module, Coordination Treatment primary module, data sending processing primary module, this four large main functional modules of operation monitoring primary module, has used the multiple advanced technologies such as signal intelligent synchronously detects, the processing of modulation system software modularity, interweaving encoding, real-time running state detection, automatic signal gain.Wherein:
Receiving signal processing primary module is the functional module of being responsible for the analog signal of the different modulating mode of radio station reception to convert to corresponding data signal, according to agreement, the data first byte of exporting through receiving signal demodulation module has characterized traffic rate and modulation system that this data acquisition is used;
Coordination Treatment primary module is to be responsible for revising parameter, completing data buffering and interweave and compile the module of data sending processing:
Data sending processing primary module is according to the modulation system of appointment, data-signal to be converted to the functional module of the functional module code processing of corresponding analog signal;
Operation monitoring primary module: thus can guarantee, when the abnormal impact transmitting-receiving of running software handling process, can make relaying modulator-demodulator again recover normal functional module;
During work, operation monitoring primary module is current reception and the transmission flow of monitoring in real time, once monitor, any one process flow operation is abnormal (did not receive data such as both having sent data in 15 minutes yet, or the situation such as data buffer zone is abnormal), immediately correlation module is carried out to software reset, make MODEM recover normal operating condition.The problem of the application limitation of the single modem chip therefore can fine solution prior art existing, makes a relay as long as adopt a set of relay station just can complete subordinate's multiple different modulating mode terminal and main 's data communication.
Accompanying drawing explanation
Fig. 1 is the electrical block diagram of the digital forward relay modulator-demodulator of the utility model self adaptation Different Modulations.
Fig. 2 is the electrical block diagram of receiving signal demodulation submodule of the digital forward relay modulator-demodulator of the utility model self adaptation Different Modulations.
Fig. 3 is the electrical block diagram that the transmitted signal of the digital forward relay modulator-demodulator of the utility model self adaptation Different Modulations is modulated submodule.
Fig. 4 is the electrical block diagram of operation monitoring primary module of the digital forward relay modulator-demodulator of the utility model self adaptation Different Modulations.
Fig. 5 is the signal synchronous head form schematic diagram of the digital forward relay modulator-demodulator of the utility model self adaptation Different Modulations.
Fig. 6 is that the data interlacing that the digital forward relay modulator-demodulator of the utility model self adaptation Different Modulations uses is processed block diagram.
Embodiment
The digital forward relay modulator-demodulator of the utility model self adaptation Different Modulations has adopted the software modularity processing mode based on DSP digital signal processor, different software module in a chip is processed for different modulator approaches respectively, has overcome well and has made a relay as long as adopt a set of relay station just can complete subordinate's multiple different modulating mode terminal and main 's data communication in the past.
Refer to Fig. 1.The digital forward relay modulator-demodulator of the utility model self adaptation Different Modulations, wherein: comprise that receiving signal processes primary module 1, Coordination Treatment primary module 2, data sending processing primary module 3 and operation monitoring primary module 4; Wherein:
Described reception signal is processed primary module and is processed for receiving signal from radio station and giving modulation /demodulation, and its output is electrically connected to the input of described Coordination Treatment primary module, and with described two-way electrical connection of operation monitoring primary module;
Described Coordination Treatment primary module is for preserving and feeding back current software version information, and the sudden bunchiness solving in radio communication disturbs; Output and asynchronous serial data that its input is processed primary module with described reception signal are respectively electrically connected to, and its output is electrically connected to the input of described data sending processing primary module;
Described data sending processing primary module is for to radio station transmitted signal, and its input is electrically connected to the output of described Coordination Treatment primary module;
Described operation monitoring primary module: be mainly used in real time current reception and the transmission flow of monitoring, respectively with described Coordination Treatment primary module, receive that signal is processed primary module and data sending processing primary module is two-way is electrically connected to.
In the digital forward relay modulator-demodulator of the utility model self adaptation Different Modulations: described reception signal is processed primary module 1 and comprised:
Receive signal filtering submodule 11: unnecessary noise signal in the analog signal receiving for filtering, so that signal demodulation;
Receive signal amplitude automatic gain submodule 12: for the amplitude of the signal of reception is carried out to automatic gain processing, so that signal demodulation.The utility model can be preset the gain parameter of a corresponding current radio by CPU, the amplitude of the signal of reception is carried out to automatic gain processing, so that signal demodulation;
Receiving synchronous information analyzing sub-module 13: carry out analyzing and processing for the analog signal synchronous head to receiving, judgement receives which kind of modulation system which kind of speed signal belongs to, and the described synchronous head in described receiving synchronous information analyzing sub-module comprises carrier pilot, synchronous code, rate information and channel guess value code;
Receiving signal demodulation submodule 14:, according to the modulation system identifying, analog signal is carried out to demodulation, (modulation system and the traffic rate supported are at present mainly following several: 1.2Kbps/2FSK to obtain correct data, 2.4Kbps/FFSK, 9.6Kbps/GMSK, 9.6Kbps/4-Level CPFSK, 19.2Kbps/8-level CPFSK etc. are several).According to agreement, the data first byte of exporting through receiving signal demodulation submodule has characterized traffic rate and modulation system that this data acquisition is used.
The output of described reception signal filtering submodule is electrically connected to the input of described reception signal amplitude automatic gain submodule; The output of described reception signal amplitude automatic gain submodule is electrically connected to the input of described receiving synchronous information analyzing sub-module; The output of described receiving synchronous information analyzing sub-module is electrically connected to the input of described receiving signal demodulation submodule; The output of described receiving signal demodulation submodule is electrically connected to the input of Coordination Treatment primary module.
Coordination Treatment primary module 2 in the digital forward relay modulator-demodulator of the utility model self adaptation Different Modulations comprises: Data classification submodule 21, transceiving data extension process submodule 22, data interlacing process submodule 23 and parameter is processed submodule 24.Wherein:
Described Data classification submodule, for judgement that the data of input are classified, determines follow-up treating method;
Described parameter is processed submodule and for supporting, current parameter (parameter comprises serial ports speed, wireless communication rate, serial data form, sends the lead code time, receives signal amplitude gain) is read and set;
Described transceiving data extension process submodule is for data buffering.Because it is several that the wireless signal speed receiving has, and the serial ports speed sending can only select 19.2K fixing a kind of, so receive, exists asynchronously between the data with transmission, and this problem can be solved by the data buffering function of this module;
Described data interlacing is processed submodule can effectively solve the sudden bunchiness interference in radio communication.This module adopts the block interleaved coded system of 3*16;
Described Data classification submodule 21 processes with described transceiving data extension process submodule and parameter respectively that submodule is two-way to be electrically connected to, and the output of simultaneously processing the receiving signal demodulation submodule of primary module with described reception signal is electrically connected to;
Described transceiving data extension process submodule 22 and described data interlacing process that submodule is two-way to be electrically connected to; The output of this transceiving data extension process submodule is also electrically connected to the input of data sending processing primary module with described;
Described parameter process submodule 24 and with described two-way electrical connection of operation monitoring primary module 4.
Data sending processing primary module 3 in the digital forward relay modulator-demodulator of self adaptation Different Modulations described in the utility model comprises: send synchronizing information and process submodule 31, transmitted signal modulation submodule 32, transmitted signal amplitude adjusting module 33.Wherein:
Described transmission synchronizing information is processed submodule and is used for relay station according to the first byte of the data that receive, and determines traffic rate and the modulation system of transmitted signal, and according to agreement agreement, produces corresponding signal synchronous head;
Described transmitted signal modulation submodule is for determining modulation system and the traffic rate that transmitted signal adopts according to the information of first byte, by the reception data after software coordination function resume module, process pointedly, and generate corresponding transmission analog signal;
Described transmitted signal amplitude adjusting module is for adjusting to suitable gain ranging by the amplitude of the analog signal of transmission;
The input of described transmission synchronizing information processing submodule is electrically connected to the output of described Coordination Treatment primary module; The output of described transmission synchronizing information processing submodule is electrically connected to the input of described transmitted signal modulation submodule; The output of described transmitted signal modulation submodule is electrically connected to the input of described transmitted signal amplitude adjusting module; Described transmitted signal amplitude adjusting module output to radio station transmitted signal.
Refer to Fig. 2.In the digital forward relay modulator-demodulator of self adaptation Different Modulations described in the utility model, the receiving signal demodulation submodule 14 that described reception signal is processed in primary module comprises: divider unit 141, frequency sampling and demodulating unit 142 and amplitude sample demodulating unit 143; Wherein: the input of described frequency sampling and demodulating unit and described amplitude sample demodulating unit is electrically connected to the output of receiving synchronous information analyzing sub-module; Described frequency unit and described frequency sampling and demodulating unit and described two-way electrical connection of amplitude sample demodulating unit; Described frequency sampling and demodulating unit and the described output of amplitude sample demodulating unit and the input of the Data classification submodule of Coordination Treatment primary module are electrically connected to.
Refer to Fig. 3.In the digital forward relay modulator-demodulator of self adaptation Different Modulations described in the utility model, the transmitted signal modulation submodule 32 in described data sending processing primary module comprises divider unit 321, frequency modulation unit 322 and amplitude modulation unit 323; Wherein: the input of described frequency modulation unit and described amplitude modulation unit is electrically connected to the output that described transmission synchronizing information is processed submodule; Described divider unit is with described frequency modulation unit and amplitude modulation unit is two-way is electrically connected to; The output of described frequency modulation unit and described amplitude modulation unit is electrically connected to the input that send signal amplitude to adjust submodule of described.
Described operation monitoring primary module 4 Main Functions are to monitor in real time current reception and transmission flow, once monitor, any one process flow operation is abnormal (did not receive data such as both having sent data in 15 minutes yet, or the situation such as data buffer zone is abnormal), immediately correlation module is carried out to software reset, make MODEM recover normal operating condition.Thereby this operation monitoring primary module can be guaranteed, when the abnormal impact transmitting-receiving of running software handling process, can make relaying modulator-demodulator again recover normal functional module.
Refer to Fig. 4.In the present embodiment, described operation monitoring primary module 4 comprises reception flow monitoring submodule 41, transmission flow monitoring submodule 42, Coordination Treatment flow monitoring submodule 43 and reset submodule 44.Described reception flow monitoring submodule 41, transmission flow monitoring submodule 42, Coordination Treatment flow monitoring submodule 43 respectively with described two-way electrical connection of reset submodule 44.Wherein:
Described reception flow monitoring submodule is used for receiving flow monitoring, and module is monitored the data output end of receiving demodulation module in real time, if any operation is not done in normal operation.The reasonable length that exceeds setting once the data length that continuous reception detected, directly ends this and receives flow process.Once detect in the long period section of setting and do not receive any data, think that reception flow process is abnormal, directly enter reseting module and restart hardware;
Described transmission flow monitoring submodule is for transmission flow monitoring, and the final data output of the real-time monitoring transmission signal of module modulation module, if any operation is not done in normal operation.The reasonable length that exceeds setting once the data length that continuous transmission detected, directly ends this transmission flow.Once detect in the long period section of setting and do not send any data, think that transmission flow is abnormal, directly enter reseting module and restart hardware;
Described Coordination Treatment flow monitoring submodule is for monitoring in real time the operational process of Coordination Treatment primary module.Once detect software parameter setting repeatedly not response wait unusual condition, directly enter reseting module and restart hardware;
Described reset submodule is for receive that after three any one reset applications of sending of module above, for safety, reseting module will carry out universal reset to these three modules when reseting module simultaneously, to guarantee that hardware restarts rear normal operation.
Whole workflow of the present utility model is as follows:
(1) receive signal and first enter reception signal filtering submodule, the noise signal that filtering is useless;
(2) enter and receive signal amplitude automatic gain submodule, according to set point, signal amplitude is adjusted to best scope automatically;
(3) receiving synchronous information analyzing sub-module starts the heading information of signal to analyze, once find the synchronous head information of standard, (synchronous head information definition is asked for an interview Fig. 5, comprises carrier pilot, synchronous code, rate information and channel guess value code.), according to the synchronous code information of the inside, determine the modulation system of the signal of this reception, according to the rate information of the inside, determine the traffic rate of the signal of this reception;
(4) receiving signal demodulation submodule receiving signal demodulation submodule starts according to definite modulation system, analog signal to be demodulated into the data of corresponding speed;
(5) because each data rate receiving is different, and the data rate unification sending is set as 19.2K, so the complete data of demodulation are introduced into the data buffering of transceiving data extension process submodule;
(6) enter the data of buffering area after the anti-interleaving treatment of data interlacing processing submodule, obtain the correct reception data of real meaning;
(7) because reception of the present utility model, sending module are to adopt two independently hardware, so must add first byte (information definition of first byte modulation system and the wireless communication rate of this transmission) while receiving data output, guarantee that the signal of the final signal sending and reception is in full accord;
(8) the reception data of having added first byte enter and send data buffer zone, form new data arrangement after the interleaving treatment of data interlacing processing module.The formation of the packet of the present embodiment interleaving treatment as shown in Figure 6, for example, after 3 bag 12byte data difference Reed-S0lomon codings, is put together and is interweaved, and the data of generation are divided into 3 bags according to every bag 16byte again;
(9) send synchronizing information processing submodule and according to the definition of first byte, determine the structure information of transmitted signal synchronous head;
(10) transmitted signal modulation submodule, by the transmission data through interleaving treatment, is processed according to the modulating characteristic of appointment, and is generated corresponding analog signal;
(11) this analog signal, after the processing of transmitted signal amplitude adjusting module, forms final transmitted signal.
The digital forward relay modulator-demodulator of the utility model self adaptation Different Modulations, it is mainly used in the radio repeater station of power load monitoring system, makes a relay as long as adopt a set of relay station just can complete subordinate's multiple different modulating mode terminal and main 's data communication.
Claims (10)
1. the digital forward relay modulator-demodulator of self adaptation Different Modulations, is characterized in that: comprise that receiving signal processes primary module, Coordination Treatment primary module, data sending processing primary module and operation monitoring primary module;
The output that described reception signal is processed primary module is electrically connected to the input of described Coordination Treatment primary module, and with described two-way electrical connection of operation monitoring primary module;
Output and asynchronous serial data that the input of described Coordination Treatment primary module is processed primary module with described reception signal are respectively electrically connected to, and its output is electrically connected to the input of described data sending processing primary module;
Described operation monitoring primary module respectively with described Coordination Treatment primary module, receive that signal is processed primary module and data sending processing primary module is two-way is electrically connected to;
The input of described data sending processing primary module is electrically connected to the output of described Coordination Treatment primary module.
2. the digital forward relay modulator-demodulator of self adaptation Different Modulations according to claim 1, is characterized in that, described reception signal is processed primary module and comprised:
The output of the reception signal filtering submodule described in reception signal filtering submodule, reception signal amplitude automatic gain submodule, receiving synchronous information analyzing sub-module and receiving signal demodulation submodule is electrically connected to the input of described reception signal amplitude automatic gain submodule; The output of described reception signal amplitude automatic gain submodule is electrically connected to the input of described receiving synchronous information analyzing sub-module; The output of described receiving synchronous information analyzing sub-module is electrically connected to the input of described receiving signal demodulation submodule; The output of described receiving signal demodulation submodule is electrically connected to the input of Coordination Treatment primary module.
3. the digital forward relay modulator-demodulator of self adaptation Different Modulations according to claim 2, it is characterized in that, the receiving signal demodulation submodule that described reception signal is processed in primary module comprises: divider unit, frequency sampling and demodulating unit and amplitude sample demodulating unit; Wherein:
The input of described frequency sampling and demodulating unit and described amplitude sample demodulating unit is electrically connected to the output of described receiving synchronous information analyzing sub-module respectively;
Described frequency unit and described frequency sampling and demodulating unit and described two-way electrical connection of amplitude sample demodulating unit;
The output of described frequency sampling and demodulating unit and described amplitude sample demodulating unit is electrically connected to the input of the Data classification submodule of Coordination Treatment primary module respectively.
4. according to the digital forward relay modulator-demodulator of the self adaptation Different Modulations described in claim 2 or 3, it is characterized in that, modulation system and the traffic rate of described receiving signal demodulation submodule support mainly comprise 1.2Kbps/2FSK, 2.4Kbps/FFSK, 9.6Kbps/GMSK, 9.6Kbps/4-level CPFSK, 19.2Kbps/8-level CPFSK.
5. the digital forward relay modulator-demodulator of self adaptation Different Modulations according to claim 2, it is characterized in that, the described synchronous head in described receiving synchronous information analyzing sub-module comprises carrier pilot, synchronous code, rate information and channel guess value code.
6. the digital forward relay modulator-demodulator of self adaptation Different Modulations according to claim 1, is characterized in that, described Coordination Treatment primary module comprises:
Data classification submodule: for data are classified;
Transceiving data extension process submodule: what exist between the data that receive and send for data buffering is asynchronous;
Data interlacing is processed submodule: carry out data interlacing coding and process;
Parameter is processed submodule: for preserving and feeding back current software version information, read and set current parameter;
Described Data classification submodule is electrically connected to the output that described reception signal is processed primary module, and with described two-way electrical connection of transceiving data extension process submodule;
Described transceiving data extension process submodule and data interlacing process that submodule is two-way to be electrically connected to; The output of this transceiving data extension process submodule is electrically connected to the input of described data sending processing primary module;
Described parameter is processed submodule respectively with described operation monitoring primary module with Data classification submodule is two-way is electrically connected to.
7. the digital forward relay modulator-demodulator of self adaptation Different Modulations according to claim 6, it is characterized in that, the parameter that described parameter processing submodule reads and sets comprises serial ports speed, wireless communication rate, serial data form, sends the lead code time and receives signal amplitude gain.
8. the digital forward relay modulator-demodulator of self adaptation Different Modulations according to claim 1, is characterized in that, described data sending processing primary module comprises:
Send synchronizing information and process submodule, transmitted signal modulation submodule, transmitted signal amplitude adjusting module: the input of described transmission synchronizing information processing submodule is electrically connected to the output of described Coordination Treatment primary module;
The output of described transmission synchronizing information processing submodule is electrically connected to the input of described transmitted signal modulation submodule;
The input that the output of described transmitted signal modulation submodule is adjusted submodule with described transmitted signal amplitude is electrically connected to; This transmitted signal modulation submodule and with two-way electrical connection of described operation monitoring primary module;
Described transmitted signal amplitude adjusting module output to radio station transmitted signal.
9. the digital forward relay modulator-demodulator of self adaptation Different Modulations according to claim 8, is characterized in that, described transmitted signal modulation module comprises divider unit, frequency modulation unit and amplitude modulation unit; Wherein:
The input of described frequency modulation unit and described amplitude modulation unit is electrically connected to the output that described transmission synchronizing information is processed submodule;
Described divider unit is with described frequency modulation unit and amplitude modulation unit is two-way is electrically connected to;
The output of described frequency modulation unit and described amplitude modulation unit is electrically connected to the input that described transmitted signal amplitude is adjusted submodule.
10. the digital forward relay modulator-demodulator of self adaptation Different Modulations according to claim 1, it is characterized in that, described operation monitoring primary module comprises data flow monitoring submodule, transmission flow monitoring submodule, Coordination Treatment flow monitoring submodule and reset submodule;
Described data flow monitoring submodule, transmission flow monitoring submodule, Coordination Treatment flow monitoring submodule respectively with described two-way electrical connection of reset submodule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320864644.6U CN203912045U (en) | 2013-12-26 | 2013-12-26 | Digital forwarding relay modem self-adaptive to a variety of modulation modes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320864644.6U CN203912045U (en) | 2013-12-26 | 2013-12-26 | Digital forwarding relay modem self-adaptive to a variety of modulation modes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203912045U true CN203912045U (en) | 2014-10-29 |
Family
ID=51786286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320864644.6U Expired - Fee Related CN203912045U (en) | 2013-12-26 | 2013-12-26 | Digital forwarding relay modem self-adaptive to a variety of modulation modes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203912045U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104539444A (en) * | 2014-12-02 | 2015-04-22 | 重庆晴彩科技有限公司 | Detection module of network physical link for switching heartbeat signal |
| CN104601362A (en) * | 2014-12-02 | 2015-05-06 | 重庆晴彩科技有限公司 | Network physical link switching heartbeat signal detection method |
| CN104734879A (en) * | 2014-12-02 | 2015-06-24 | 重庆晴彩科技有限公司 | Emergency intelligent switching system for network physical link |
-
2013
- 2013-12-26 CN CN201320864644.6U patent/CN203912045U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104539444A (en) * | 2014-12-02 | 2015-04-22 | 重庆晴彩科技有限公司 | Detection module of network physical link for switching heartbeat signal |
| CN104601362A (en) * | 2014-12-02 | 2015-05-06 | 重庆晴彩科技有限公司 | Network physical link switching heartbeat signal detection method |
| CN104734879A (en) * | 2014-12-02 | 2015-06-24 | 重庆晴彩科技有限公司 | Emergency intelligent switching system for network physical link |
| CN104734879B (en) * | 2014-12-02 | 2018-02-16 | 重庆晴彩科技有限公司 | A kind of network physical link is met an urgent need intelligent switching system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103281143B (en) | Selecting type cooperation spectrum sensing method based on double-threshold energy detection | |
| CN101980415B (en) | Method and system for implementing active uplink power line power-frequency communication | |
| CN203912045U (en) | Digital forwarding relay modem self-adaptive to a variety of modulation modes | |
| CN201550111U (en) | Network data converting device based on power line carrier communication | |
| CN108809618B (en) | Clock recovery method for 8b10b coded serial data | |
| CN110187172A (en) | A kind of ammeter monitoring system converted based on infrared modulated with wireless communication | |
| CN101931434A (en) | Network data conversion device based on power line carrier communication and conversion method thereof | |
| CN115242292A (en) | Application framework and transmission control method of software defined edge gateway | |
| CN104579555A (en) | Scatter communication link control device based on level detection | |
| CN103487640A (en) | Current monitoring method for enterprise electric equipment based on distributed type network | |
| CN202261286U (en) | Self-adaptive modulator-demodulator on basis of time diversity | |
| CN201608905U (en) | Communication network monitoring device | |
| CN205247603U (en) | Solve communication extension terminal of power consumption information collection system up channel blind area | |
| CN104902350B (en) | A kind of digital walkie-talkie and its data processing equipment, data transmission method for uplink | |
| CN102064854B (en) | Power line carrier spread spectrum communication-based remote security monitoring system | |
| CN108183715A (en) | A kind of 400KHz channel devices based on software digital processing | |
| CN110071792B (en) | Low-delay high-reliability wireless transmission control method based on half-duplex bus | |
| CN210488765U (en) | Power failure monitoring and warning communication module based on LoRa technology | |
| CN113206720A (en) | Method and device for realizing top-adjusting message path | |
| CN208314990U (en) | A kind of single-phase intelligent ammeter power line carrier micro power radio communication device | |
| CN107026677A (en) | A kind of ammeter network and its communication means based on three-phase electricity | |
| CN207625580U (en) | vehicle-mounted control terminal | |
| CN112737603A (en) | Multi-waveform fusion device | |
| CN105720689A (en) | Power telecontrol protocol combination method and power telecontrol protocol combiner | |
| CN201467141U (en) | Multi-rate parallel transmission modulator-demodulator based on secondary modulation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20191226 |