CN205265758U - Speech communication terminal based on big dipper satellite - Google Patents
Speech communication terminal based on big dipper satellite Download PDFInfo
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- CN205265758U CN205265758U CN201620003009.2U CN201620003009U CN205265758U CN 205265758 U CN205265758 U CN 205265758U CN 201620003009 U CN201620003009 U CN 201620003009U CN 205265758 U CN205265758 U CN 205265758U
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Abstract
The utility model discloses a speech communication terminal based on big dipper satellite, characterized in that: including mike, speaker, ARM treater, audio frequency CODEC and big dipper transceiver module, audio frequency CODEC turns into the digital voice data with the simulation speech signal of mike's input, and the data of audio frequency CODEC output are imported to big dipper transceiver module behind the ARM treater, are sent out radiofrequency signal to big dipper satellite by satellite antenna, big dipper transceiver module is through the satellite antenna receive radio frequency signal, carries out inputing behind demodulation, despreading and the branch frame treater to ARM to it, and audio frequency CODEC is play the digital voice data converting that receives after for simulation speech signal by the speaker. The utility model discloses a speech communication terminal in catastrophe rescue or some unlapped remote districts of public wireless network, utilizes this terminal people can keep and external contact, is an effectual communication tool.
Description
Technical field
The utility model relates to a kind of voice communication terminal based on big-dipper satellite, in particular, relates in particular to a kind of voice communication terminal based on big-dipper satellite that is applicable to catastrophe or the unlapped remote districts rescue of some public wireless networks.
Background technology
Along with the variation of global natural climate, various places natural calamity takes place frequently. As one of comparatively serious country of Global Natural Disasters, freezing sleet, flood, earthquake natural calamity constantly occur. Country pays much attention to prevent and reduce natural disasters and emergency management and rescue work, and unimpeded emergency communication guarantee is in time the prerequisite that related work is able to efficiently, carries out in order. In all emergency communication technological means, satellite communication has and not limited by surface condition, broad covered area, maneuverability, is easy to carry, opens unique advantages such as convenient, in catastrophe rescue work, has brought into play and has been difficult to alternative important function. After calamity, the information at initial stage passes the report stage, and small-sized hand-held ICBM SHF satellite terminal is to keep the inside and outside unbroken conventional means of communication of liaison. For in earthquake relief work process, convenient use satellite communication terminal, this utility model, on the basis of original note message communication, has been added voice communications module. The ICBM SHF satellite terminal with function of voice communication can be simply, bug, easily the situation at disaster relief scene is transferred out by the form of voice, liberated disaster relief personnel's both hands, is more conducive to carrying out of disaster relief operations.
Summary of the invention
The utility model, in order to overcome the shortcoming of above-mentioned technical problem, provides a kind of voice communication terminal based on big-dipper satellite.
Voice communication terminal based on big-dipper satellite of the present utility model, its special feature is: comprise Mike, loudspeaker, arm processor, audio frequency CODEC and Big Dipper transceiver module, the input of audio frequency CODEC is connected with Mike, to the analog voice signal of Mike's input is converted into digital voice data, the data of audio frequency CODEC output are after the compressed encoding of the coding/decoding module in arm processor, input to Big Dipper transceiver module, through the framing of Big Dipper transceiver module, after spread spectrum and modulation, be converted into radiofrequency signal, by satellite antenna, radiofrequency signal is sent to big-dipper satellite, big-dipper satellite forwards signal, Big Dipper transceiver module is through satellite antenna received RF signal, it is carried out inputing to arm processor after demodulation, despreading and point frame, coding/decoding module in arm processor to receive decoding data after, input to audio frequency CODEC, audio frequency CODEC is converted into the digital voice data of reception after analog voice signal, input to loudspeaker, play the voice that receive by loudspeaker.
Voice communication terminal based on big-dipper satellite of the present utility model, described Big Dipper transceiver module is made up of data processing module, baseband module and radio-frequency module, and radio-frequency module is connected with satellite antenna; In the process of transmitting of speech data, data processing module carries out chnnel coding, framing to data, and baseband module carries out spread spectrum, filtering and orthogonal modulation to data, and data are converted into the radiofrequency signal that frequency is B1 frequency range by radio-frequency module; In the receiving course of data, radio-frequency module sends to baseband module after the radiofrequency signal of reception is converted into data signal, baseband module carries out issuing data processing module after demodulation, despreading to the data that receive, and data processing module divides frame, decoding to process to data.
Voice communication terminal based on big-dipper satellite of the present utility model, described arm processor is connected with LCD display, instruction button, memory, power management chip, clock crystal oscillator circuit and jtag interface module.
Voice communication terminal based on big-dipper satellite of the present utility model, described arm processor adopts the chip that model is S3C2440A, and audio frequency CODEC adopts the chip that signal is TLV320AIC23, and arm processor passes through I2S EBI is connected with audio frequency CODEC, and arm processor is connected with Big Dipper transceiver module by UART interface.
The beneficial effects of the utility model are: voice communication terminal of the present utility model, be provided with the audio frequency CODEC, the Big Dipper transceiver module that are connected with arm processor, and audio frequency CODEC is connected with Mike and loudspeaker; In process of transmitting, the Mike's of reception analog voice is converted into data signal by audio frequency CODEC, and be converted into radiofrequency signal by Big Dipper transceiver module again after the processing of arm processor, forwarded by big-dipper satellite; In receiving course, Big Dipper transceiver module is processed the radiofrequency signal receiving, and is sent to audio frequency CODEC after the processing of arm processor, and by audio frequency, CODEC is converted into analog voice signal, and plays back by loudspeaker, realizes the reception of speech data; In catastrophe rescue or the unlapped remote districts of some public wireless networks, utilize this terminal people can keep and the contacting of the external world, be a kind of effectively communication tool.
Brief description of the drawings
Fig. 1 is the schematic diagram of the voice communication terminal based on big-dipper satellite of the present utility model;
Fig. 2 is the schematic diagram of arm processor and peripheral module thereof in the utility model;
Fig. 3 is the fundamental diagram of the voice communication terminal based on big-dipper satellite of the present utility model.
In figure: 1ARM processor, 2 Mikes, 3 loudspeakers, 4 audio frequency CODEC, 5 coding/decoding modules, 6 Big Dipper transceiver modules, 7LCD display screen, 8 instruction buttons, 9 memories, 10 data processing modules, 11 baseband modules, 12 radio-frequency modules, 13SDRAM memory, 14NANDFLASH memory, 15 power management chips, 16 satellite antennas, 17JTAG interface module, 18 clock crystal oscillator circuit.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
As shown in Figure 1, provide the schematic diagram of the voice communication terminal based on big-dipper satellite of the present utility model, it is made up of Mike 2, loudspeaker 3, arm processor 1, audio frequency CODEC and Big Dipper transceiver module 6, arm processor 1 has the effect of signals collecting, data operation and control output, and Big Dipper transceiver module 6 is realized transmitting, the reception of B1 frequency range radiofrequency signal. Mike 2 is connected with the input port of audio frequency CODEC, and the analog voice signal that audio frequency CODEC inputs Mike 2 is converted into digital voice data, and inputs in arm processor 1; The output of audio frequency CODEC is connected with loudspeaker 3, for digital voice data is converted into analog voice signal, and plays back by loudspeaker 3.
Coding/decoding module 5 in arm processor 1 carries out compressed encoding processing to the data of audio frequency CODEC input, and the decoding data that Big Dipper transceiver module 6 is inputted operates and be sent to audio frequency CODEC. Arm processor is connected with Big Dipper transceiver module 6 by data-interface, to realize the transfer of data between arm processor 1 and Big Dipper transceiver module 6. Shown arm processor 1 is connected with LCD display 7, instruction button 8 and memory 9.
Shown Big Dipper transceiver module 6 is made up of data processing module 10, baseband module 11 and radio-frequency module 12, and radio-frequency module 12 is connected with satellite antenna 16. as shown in Figure 3, provided the fundamental diagram of the voice communication terminal based on big-dipper satellite of the present utility model, shown audio coding module and audio decoder module are coding/decoding module 5. the emission process of speech data is: Mike 2 gathers voice data, carry out digitlization by audio frequency CODEC, data after digitlization send to coding/decoding module 5 to carry out compressed encoding, data after compressed encoding send to the data processing module 10 in Big Dipper transceiver module 6, 10 of data processing moulds carry out chnnel coding to data, after framing, Frame is sent to baseband module 11, data are carried out spread spectrum by baseband module 11, after filtering and orthogonal modulation, timed sending is to radio-frequency module 12, radio-frequency module 12 is that frequency is the radiofrequency signal of B1 frequency range by Data Modulation, after amplifying, be sent to big-dipper satellite by satellite antenna 16, forwarded by big-dipper satellite.
The receiving course of speech data is: the downlink radio-frequency signal that the frequency that big-dipper satellite launches is B1, received and send to radio-frequency module 12 by satellite antenna 16, radio-frequency module 12 carries out giving baseband module 11 after digitlization to the signal receiving, baseband module 11 carries out down coversion to signal, despreading, after decoding, issue data processing module 10, data processing module 10 carries out data to send to arm processor 1 after channel-decoding and point frame, decoded data are sent to audio frequency CODEC by decoder module 5 in arm processor, by audio frequency, CODEC is converted to simulated audio signal, play back by loudspeaker.
As shown in Figure 2, provide the schematic diagram of arm processor in the utility model and peripheral module thereof, shown arm processor 1 is connected with LCD display 7, instruction button 8, memory 9, power management chip 15, jtag interface module 17 and clock crystal oscillator circuit 18, shown memory 9 comprises SDRAM memory 13 and NANDFLASH memory 14, clock crystal oscillator circuit 18 provides clock pulses for the work of arm processor 1, and jtag interface module is as the use of debugging.
It is the chip of S3C2440A that arm processor 1 adopts model, and S3C2440A is 16/32 risc architecture microprocessor chip of one that Samsung produces, inner integrated a set of general Peripheral Interface, and without additional extension peripheral components again, peripheral circuit is simple. What audio frequency CODEC used is the chip of the TLV320AIC23 of TI, and this chip passes through I2S interface is connected with S3C2440A. TLV320AIC23 gathers voice data by MIC and is digitized as PCM data, sends to the audio coding decoding module in S3C2440A to encode. The PCM speech data that TLV320AIC23 sends over S3C2440A, is converted to simulated audio signal, then plays back by loudspeaker.
Shown SDRAM memory adopts the K4X51163PC chip of SAMSUNG company, and its capacity is 32M*16bit, for storing a large amount of data variable producing when large program moves; NANDFLASH memory adopts the K9F2G08U0A chip of SAMSUNG company, and capacity is 256M*8bit, for storage system file and program code. It is MAX8860 chip that power management chip 15 adopts model, and it is a kind of linear voltage regulator, and provide+1.25V, to+-6.5V adjustable voltage, can provide needed voltage for ARM chip.
Claims (4)
1. the voice communication terminal based on big-dipper satellite, it is characterized in that: comprise Mike (2), loudspeaker (3), arm processor (1), audio frequency CODEC(4) and Big Dipper transceiver module (6), the input of audio frequency CODEC is connected with Mike, to the analog voice signal of Mike's input is converted into digital voice data, the data of audio frequency CODEC output are after the compressed encoding of the coding/decoding module in arm processor (5), input to Big Dipper transceiver module, through the framing of Big Dipper transceiver module, after spread spectrum and modulation, be converted into radiofrequency signal, by satellite antenna (16), radiofrequency signal is sent to big-dipper satellite, big-dipper satellite forwards signal, Big Dipper transceiver module is through satellite antenna received RF signal, it is carried out inputing to arm processor after demodulation, despreading and point frame, coding/decoding module in arm processor to receive decoding data after, input to audio frequency CODEC, audio frequency CODEC is converted into the digital voice data of reception after analog voice signal, input to loudspeaker, play the voice that receive by loudspeaker.
2. the voice communication terminal based on big-dipper satellite according to claim 1, it is characterized in that: described Big Dipper transceiver module (6) is made up of data processing module (10), baseband module (11) and radio-frequency module (12), radio-frequency module is connected with satellite antenna (16); In the process of transmitting of speech data, data processing module carries out chnnel coding, framing to data, and baseband module carries out spread spectrum, filtering and orthogonal modulation to data, and data are converted into the radiofrequency signal that frequency is B1 frequency range by radio-frequency module; In the receiving course of data, radio-frequency module sends to baseband module after the radiofrequency signal of reception is converted into data signal, baseband module carries out issuing data processing module after demodulation, despreading to the data that receive, and data processing module divides frame, decoding to process to data.
3. the voice communication terminal based on big-dipper satellite according to claim 1 and 2, is characterized in that: described arm processor (1) is connected with LCD display (7), instruction button (8), memory (9), power management chip (15), clock crystal oscillator circuit (18) and jtag interface module (17).
4. the voice communication terminal based on big-dipper satellite according to claim 1 and 2, is characterized in that: described arm processor (1) adopts the chip that model is S3C2440A, and audio frequency CODEC adopts the chip that signal is TLV320AIC23, and arm processor passes through I2S EBI is connected with audio frequency CODEC, and arm processor is connected with Big Dipper transceiver module (6) by UART interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201620003009.2U CN205265758U (en) | 2016-01-05 | 2016-01-05 | Speech communication terminal based on big dipper satellite |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620003009.2U CN205265758U (en) | 2016-01-05 | 2016-01-05 | Speech communication terminal based on big dipper satellite |
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| CN205265758U true CN205265758U (en) | 2016-05-25 |
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| CN201620003009.2U Expired - Fee Related CN205265758U (en) | 2016-01-05 | 2016-01-05 | Speech communication terminal based on big dipper satellite |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106209203A (en) * | 2016-06-24 | 2016-12-07 | 付韶明 | A kind of voice terminal based on satellite communication |
| CN106374991A (en) * | 2016-08-29 | 2017-02-01 | 北京华力创通科技股份有限公司 | Method, device and system for performing data transmission by utilizing Beidou satellite |
| CN107919139A (en) * | 2017-11-21 | 2018-04-17 | 北京华力创通科技股份有限公司 | ICBM SHF satellite terminal tester, test system and test method |
| CN109031474A (en) * | 2018-08-31 | 2018-12-18 | 成都润联科技开发有限公司 | A kind of weather information hiding Chinese phonetic broadcasting terminals and its working method based on Beidou satellite communication |
| CN111510549A (en) * | 2020-04-26 | 2020-08-07 | 厦门亿联网络技术股份有限公司 | Wireless communication device, voice data processing method and device |
| CN113242081A (en) * | 2021-04-20 | 2021-08-10 | 中国电子科技集团公司第五十四研究所 | Intelligent terminal based on satellite communication |
| CN114337786A (en) * | 2021-12-31 | 2022-04-12 | 深圳市云天智能通讯有限公司 | Satellite network voice communication optimization system and method thereof |
| CN115097716A (en) * | 2022-06-25 | 2022-09-23 | 平安银行股份有限公司 | Intelligent watch and watchband thereof |
-
2016
- 2016-01-05 CN CN201620003009.2U patent/CN205265758U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106209203A (en) * | 2016-06-24 | 2016-12-07 | 付韶明 | A kind of voice terminal based on satellite communication |
| CN106374991A (en) * | 2016-08-29 | 2017-02-01 | 北京华力创通科技股份有限公司 | Method, device and system for performing data transmission by utilizing Beidou satellite |
| CN107919139A (en) * | 2017-11-21 | 2018-04-17 | 北京华力创通科技股份有限公司 | ICBM SHF satellite terminal tester, test system and test method |
| CN109031474A (en) * | 2018-08-31 | 2018-12-18 | 成都润联科技开发有限公司 | A kind of weather information hiding Chinese phonetic broadcasting terminals and its working method based on Beidou satellite communication |
| CN111510549A (en) * | 2020-04-26 | 2020-08-07 | 厦门亿联网络技术股份有限公司 | Wireless communication device, voice data processing method and device |
| US11545161B2 (en) | 2020-04-26 | 2023-01-03 | Yealink (Xiamen) Network Technology Co., Ltd. | Wireless communication device, and method and apparatus for processing voice data |
| CN113242081A (en) * | 2021-04-20 | 2021-08-10 | 中国电子科技集团公司第五十四研究所 | Intelligent terminal based on satellite communication |
| CN114337786A (en) * | 2021-12-31 | 2022-04-12 | 深圳市云天智能通讯有限公司 | Satellite network voice communication optimization system and method thereof |
| CN115097716A (en) * | 2022-06-25 | 2022-09-23 | 平安银行股份有限公司 | Intelligent watch and watchband thereof |
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| Date | Code | Title | Description |
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| 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: 20160525 Termination date: 20210105 |