CN103209399A - Short message transmission and receiving system and method - Google Patents
Short message transmission and receiving system and method Download PDFInfo
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- CN103209399A CN103209399A CN2013101393643A CN201310139364A CN103209399A CN 103209399 A CN103209399 A CN 103209399A CN 2013101393643 A CN2013101393643 A CN 2013101393643A CN 201310139364 A CN201310139364 A CN 201310139364A CN 103209399 A CN103209399 A CN 103209399A
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Abstract
The invention discloses a short message transmission and receiving system and method. Short message contents are coded into a dual-tone multi-frequency (DTMF) signal or a single-tone signal, and the coded signal is transmitted in a telephone channel, and a receiver decodes a received signal stream to obtain the short message contents, so that a short message is transmitted and received. The short message is transmitted and received between two terminals through the telephone channel, so that a terminal only supporting a telephone service can transmit the short message quickly and accurately, and a new service can be implemented on the basis of the conventional system and the conventional equipment.
Description
Technical field
The present invention relates to a kind of telecommunication technique, be specifically related to a kind of transmit-receive technology of note.
Background technology
Note is to follow digital mobile communication system (GSM) and a kind of telecommunication service of producing, by signaling channel and the signaling network of mobile communication system, transmits literal or numeric messaging breath, belongs to a kind of data communication service of non real-time, non-voice.
Be applied to satellite fields based on the GSM technology, can realize individual mobile satellite communication, the restriction that not covered by the terrestrial wireless network can realize communication in any zone that is covered by satellite network, such as ocean, desert etc.
It is professional different that different mobile satellite communication systems is supported, the system that has does not support short message service, but the supporting telephone business, the system that also has only supports short message service.
Short message service is very useful under some applied environments, such as: for vehicle management and fishing boat management system, need to adopt the communication mode of machine to machine, note is a valid approach.
Because a variety of causes, the user may select not support short message service but the satellite portable terminal of supporting telephone business, but short message service is again essential.In this case, the user may need to select for use two kinds of terminals to come supporting telephone and two kinds of business of note.So not only increase equipment cost, also increased the system integration and maintenance cost.
Summary of the invention
The present invention is directed to more existing portable terminals and be merely able to the problem that the supporting telephone business can't be supported short message service, and a kind of novel short message receiving and sending system is provided.Can realize the transmitting-receiving of note by telephone channel by this system, make that a supporting telephone is professional and do not support the portable terminal of short message service can realize the accurate transmitting-receiving of note equally.
As second purpose of the present invention, the present invention also provides a kind of short message receiving-transmitting method of implementing based on said system.
In order to achieve the above object, the present invention adopts following technical scheme:
A kind of short message receiving and sending system, described system comprises:
Coding control module, described coding control module are encoded note to be sent and are formed the corresponding data bag;
The signal generation module, described signal generation module is mapped to the signal that can transmit with the packet after encoded in telephone channel, and this signal is transmitted by telephone channel;
Signal detection module, described signal detection module receives signal by telephone channel, and detects the signal classification;
The decoding control module, described decoding control module restores corresponding packet according to the detected signal frequency of signal detection module, and the packet that restores is packaged, the reduction short message content.
In the preferred embodiment of receive-transmit system, described system also comprises the short message content output module, and this module shows, sends, resolves by the public wireless net and comprise sensing data in the note the short message content that restores of decoding control module.
Further, described coding control module is formed the packet of shorter regular length to the note data partition, and the CRC check sign indicating number is set in packet.
Further, described coding control module is carried out the FEC coding to packet.
Further, described signal generation module is mapped to dtmf signal or tone signal with packet.
Further, described decoding control module is also carried out the FEC error correction to the packet that restores.
As second purpose, a kind of short message receiving-transmitting method provided by the invention, its transmitting terminal is mapped as the signal that can transmit with short message content coding to be sent in telephone channel, and transmit this signal to receiving terminal by telephone channel, by receiving terminal the signal that receives is carried out map decoding again, the reduction short message content is realized the transmitting-receiving of note.
In the instantiation of short message receiving-transmitting scheme, concrete steps are as follows:
(1) the note transmitting terminal obtains note to be sent, and this note is encoded, and the packet of shorter regular length is formed in the short message content partition, and be provided with corresponding CRC check sign indicating number in each packet;
(2) will be mapped to the signal that can in telephone channel, transmit through the coded data bag;
(3) by telephone channel the signal that is mapped to is reached the note receiving terminal;
(4) the note receiving terminal detects to the received signal, detects the classification of all signals;
(5) according to detected signal frequency, restore corresponding packet, and the integrality of packet and correctness are tested and judged, if make a mistake, the re-transmission of control packet; After confirming the correct reception of complete packet again, carry out the group bag of packet, reduction is the output short message content also.
Further, also the packet that restores is carried out the FEC error correction in the described step (5), correct the data of makeing mistakes.
Scheme provided by the invention can realize two short message receiving-transmittings between the terminal by telephone channel, makes the terminal of a supporting telephone business can realize fast and accurately that equally also note sends.
Scheme provided by the invention effectively guarantees correctness and high efficiency that note sends by relevant verification and approach of error correction.
The present invention can not increase user's equipment cost when implementing, can not increase the integrated and maintenance cost of user's related system yet.
Description of drawings
Further specify the present invention below in conjunction with the drawings and specific embodiments.
Fig. 1 is system block diagram of the present invention;
Fig. 2 is system framework figure of the invention process;
Packet schematic diagram when Fig. 3 is the invention process.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
Scheme provided by the invention realizes short message receiving-transmitting by telephone channel, it at first is mapped as the short message content coding DTMF touch-tone signal or is encoded to tone signal, moreover in telephone channel the signal after the transfer encoding, receiving terminal is the signal stream map decoding that receives, restore short message content, thereby realize the transmitting-receiving of note.
Referring to Fig. 1, it is depicted as the system block diagram of the short message receiving and sending system of realizing based on above-mentioned principle.As seen from the figure, whole receive-transmit system 100 comprises short message content generation module 101, coding control module 102, signal generation module 103, signal detection module 104, decoding control module 105, short message content output module 106.
Wherein, short message content generation module 101 is used for the generation of note to be sent, and concrete producing method is generally user's input and transducer input.
Coding control module 102 is used for the short message content that short message content generation module 101 produces is encoded, and the packet with the shorter regular length of short message content partition composition wherein comprises short message content packing, short message receiving-transmitting communication protocol etc.
In order to guarantee packet in the correctness of subsequent transmission, include corresponding CRC check sign indicating number in each packet that coding forms.Packet is in transmission course, and by the correctness of receiving terminal by CRC judgment data bag, if find error of transmission, the re-transmission by agreement control packet improves the efficient under the channel error situation thus.
Simultaneously as required, coding control module 102 also can be carried out the FEC coding to corresponding packet, thereby makes packet in transmission course, and receiving terminal can be corrected by fec decoder.
Signal generation module 103 is used for the packet that encoded control module 102 codings form is mapped to the signal that can transmit in telephone channel 200, is generally dtmf signal and tone signal, specifically decides according to the actual requirements.
Signal detection module 104 obtains the signal that is generated by 103 mappings of signal generation module by telephone channel 200, and carries out the classification detection to getting access to signal.If the signal that generates is dtmf signal, signal detection module detects the frequency of double-tone; If the signal that generates is tone signal, signal detection module detects the frequency of tone signal.
Because the signal that generates in the transmission course, owing to the voice codec that may have in the passage, makes the signal of generation produce distortion, thereby may introduce error code in telephone channel 200.The present invention effectively avoids owing to the influence of voice codec to signal by cooperatively interacting between signal generation module 103 and the signal detection module 104.
Decoding control module 105 restores corresponding packet according to signal detection module 104 detected signal frequencies.The control module of decoding simultaneously 105 by corresponding CRC check sign indicating number the packet that restores is carried out integrality and correctness is judged, if make a mistake, controls corresponding packet and retransmits by telephone channel 200.105 pairs of packets that restore of the control module of decoding as required carry out error correction by the FEC sign indicating number, correct the data of makeing mistakes.Decoding control module 105 pairs of corresponding packets of short message content all after complete, the correct reception, package the reduction short message content to these packets.
The short message content that 106 pairs of short message content output modules decoding control module 105 restores shows, or sends to other terminal or equipment or comprise sensing data according to arranging to resolve in the note according to arranging by the public wireless net.
The receive-transmit system of Xing Chenging thus, the process that realizes being undertaken by talking path short message receiving-transmitting is as follows:
(1) the note transmitting terminal produces corresponding short message content by the short message content generation module as required;
(2) the note transmitting terminal is encoded to sent note by coding control module 102, and the packet of shorter regular length is formed in the short message content partition, is provided with corresponding CRC check sign indicating number as required and carries out the FEC coding in each packet; Packet after coding control module 102 will be encoded reaches signal generation module 103.
(3) signal generation module 103 will be mapped to the signal that can transmit through the coded data bag in telephone channel.
(4) signal of Sheng Chenging is by transferring to the note receiving terminal in the telephone channel 200.
(5) the note receiving terminal reaches the note receiving terminal by telephone channel with the signal that is mapped to.
(6) signal that is generated by signal generation module 103 mapping that gets access to of 104 pairs of the signal detection modules in the note receiving terminal carries out classification and detects.
(7) decoding control module 105 restores corresponding packet according to signal detection module 104 detected signal frequencies; The control module of decoding simultaneously 105 by corresponding CRC check sign indicating number the packet that restores is carried out integrality and correctness is judged, if make a mistake, controls corresponding packet and retransmits by telephone channel 200; 105 pairs of packets that restore of the control module of decoding as required carry out error correction by the FEC sign indicating number, correct the data of makeing mistakes; Decoding control module 105 pairs of corresponding packets of short message content all after complete, the correct reception, package the reduction short message content to these packets.
(8) short message content after 106 pairs of reduction of short message content output module shows output in the note receiving terminal.
Below come scheme further instruction to the application by an instantiation.
Referring to Fig. 2, in this example by the PC(301 of band sound card 301a) and satellite mobile phone 302 formation short message sending terminals 300, constitute telephone channel 200 by satellite 201 and ground satellite station 202 cooperations, by the PC(401 of band sound card 401a) and telephone set 402 cooperation formation short message receiving terminals 400.
Wherein, PC(301 in the short message sending terminal 300) going up sound card 301a links to each other by the earphone jack of earphone cord with Isatphone Pro satellite phone 302.PC(401 in the short message receiving terminal 400) sound card 401a links to each other by the telephone set 402 of earphone cord with the band earphone jack.Satellite mobile phone 302 by marine satellite 201 and, ground satellite station 202 and ground PSTN network can converse with telephone set 402.
Be arranged in the PC(301 of transmitting terminal) arrange according to said short message content generation module 101, coding control module 102, signal generation module 103 formation note transmitting systems; Simultaneously be arranged in the PC(401 of receiving terminal) be provided with according to signal detection module 104, decoding control module 105, the note receiving system that forms.
Constitute communication system thus, before note sends, put through phone by the satellite mobile phone 302 of transmitting terminal earlier and connect, after note is sent completely, hang up the telephone.
1, at first the short message content generation module, the PC(301 of transmitting terminal) is imported short message content by keyboard, sends control by sending key.
2, coding control module is encoded to short message content PC(301), this module adopts 17 tone signals, 500,555,616,684,760,844,937,1041,1156,1284,1426,1584,1760,1955,2172,2413,2681Hz frequency is respectively:, be encoded to hexadecimal number 0,1,2,3,4,5,6,7,8,9, A, B, C, D, E, F and symbol * respectively, each Byte is made up of two hexadecimal numbers, corresponding two tone signals; Symbol * is used for the starting and ending border of packet.
This module is divided into a plurality of packets with note data to be transmitted, and the structure of packet is made up of start bit, sequence number position, data bit, check digit and stop bits as shown in Figure 3.Starting and ending symbolization * wherein, 20 effective note datas of Bytes of each packet, carry out false judgment by CRC16, sequence number adopts a Byte, if the highest order bit of sequence number is 1, represent note and transmit end, so the note maximum length is 128*20=2560Bytes in this embodiment.
Note data is by packing, and it is two tone signals that every Byte hints obliquely at, each tone signal 40ms in this embodiment, and 10 Byte of average per second send.If receive the repeating transmission instruction that receiving terminal sends, will retransmit the error data bag of report in retransmitting instruction.
3, finish coding after, PC(301) 103 pairs of data packet generation of signal generation module tone signal sequence in, and send into sound card 301a with the 8kHz sample rate, by sound card 301a tone signal is sent into satellite mobile phone 302, the telephone channel of satellite mobile phone 302 by being made of satellite 201 and ground satellite station 202 sends to tone signal the telephone set 402 of receiving terminal.
4, the tone signal that receives of the telephone set 402 of receiving terminal, send into PC(401 by earphone cord) sound card 401a, this sound card 401a receives signal with the 8kHz sample rate, and with the sampling signal deliver to PC(401) in signal detection module 104, signal detection module 104 is judged the frequency of each tone signal through FFT and synchronous.
5, the decoding control module 105 PC(401) is according to the frequency of each tone signal of judging, and correspondence goes out corresponding hexadecimal number, and per two hexadecimal numbers are formed a Byte.After each packet receives, carry out error code by CRC and judge, if wrong, send and retransmit instruction to transmitting terminal, the sequence number of the packet that report makes mistakes is retransmitted the packet of makeing mistakes by transmitting terminal.Retransmitting instruction is by being encoded to tone signal, oppositely transmitting in telephone channel equally.
6, after the correct reception of all note data bags, decoding control module 105 is combined as note data in order to each bag, by the output window output short message content of short message content output module 106 formation.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (9)
1. a short message receiving and sending system is characterized in that, described system comprises:
Coding control module, described coding control module are encoded note to be sent and are formed the corresponding data bag;
The signal generation module, described signal generation module is mapped to the signal that can transmit with the packet after encoded in telephone channel, and this signal is transmitted by telephone channel;
Signal detection module, described signal detection module receives signal by telephone channel, and detects the signal classification;
The decoding control module, described decoding control module restores corresponding packet according to the detected signal frequency of signal detection module, and the packet that restores is packaged, the reduction short message content.
2. a kind of short message receiving and sending system according to claim 1, it is characterized in that, described system also comprises the short message content output module, and this module shows, sends, resolves by the public wireless net and comprise sensing data in the note the short message content that restores of decoding control module.
3. a kind of short message receiving and sending system according to claim 1 is characterized in that, described coding control module is formed the packet of shorter regular length to the note data partition, and the CRC check sign indicating number is set in packet.
4. according to claim 1 or 3 described a kind of short message receiving and sending systems, it is characterized in that described coding control module is carried out the FEC coding to packet.
5. a kind of short message receiving and sending system according to claim 1 is characterized in that, described signal generation module is mapped to dtmf signal or tone signal with packet.
6. a kind of short message receiving and sending system according to claim 1 is characterized in that, described decoding control module is also carried out the FEC error correction to the packet that restores.
7. short message receiving-transmitting method, it is characterized in that, by transmitting terminal short message content coding to be sent is mapped as the signal that can transmit in telephone channel in the described receiving/transmission method, and transmit this signal to receiving terminal by telephone channel, by receiving terminal the signal that receives is carried out map decoding again, the reduction short message content is realized the transmitting-receiving of note.
8. a kind of short message receiving-transmitting method according to claim 7 is characterized in that the step of described receiving/transmission method is as follows:
(1) the note transmitting terminal obtains note to be sent, and this note is encoded, and the packet of shorter regular length is formed in the short message content partition, and be provided with corresponding CRC check sign indicating number in each packet;
(2) will be mapped to the signal that can in telephone channel, transmit through the coded data bag;
(3) by telephone channel the signal that is mapped to is reached the note receiving terminal;
(4) the note receiving terminal detects to the received signal, detects the classification of all signals;
(5) according to detected signal frequency, restore corresponding packet, and the integrality of packet and correctness are tested and judged, if make a mistake, the re-transmission of control packet; After confirming the correct reception of complete packet again, carry out the group bag of packet, reduction is the output short message content also.
9. a kind of short message receiving-transmitting method according to claim 8 is characterized in that, also the packet that restores is carried out the FEC error correction in the described step (5), corrects the data of makeing mistakes.
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| CN2013101393643A CN103209399A (en) | 2013-04-22 | 2013-04-22 | Short message transmission and receiving system and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103916837A (en) * | 2014-04-18 | 2014-07-09 | 广东欧珀移动通信有限公司 | Data receiving and transmitting method and intelligent terminal |
| CN110728261A (en) * | 2019-10-23 | 2020-01-24 | 武汉奇致激光技术股份有限公司 | Method for feeding back fault information of laser medical cosmetic equipment |
| CN113358139A (en) * | 2021-04-30 | 2021-09-07 | 威胜信息技术股份有限公司 | Method for encoding by using adjacent distorted pulse current signals in power frequency communication |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070147327A1 (en) * | 2003-11-12 | 2007-06-28 | Koninklijke Philips Electronics N.V. | Method and apparatus for transferring non-speech data in voice channel |
| CN101047882A (en) * | 2006-03-28 | 2007-10-03 | 朗迅科技公司 | Method for transmitting short message on voice channel |
| CN101159794A (en) * | 2007-08-23 | 2008-04-09 | 宇龙计算机通信科技(深圳)有限公司 | Method and terminal equipment for transmitting, receiving data information during communication |
| CN102647255A (en) * | 2012-05-14 | 2012-08-22 | 李勇 | Method and system for transmitting data on wireless voice channel in Internet of things energy consumption monitoring |
-
2013
- 2013-04-22 CN CN2013101393643A patent/CN103209399A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070147327A1 (en) * | 2003-11-12 | 2007-06-28 | Koninklijke Philips Electronics N.V. | Method and apparatus for transferring non-speech data in voice channel |
| CN101047882A (en) * | 2006-03-28 | 2007-10-03 | 朗迅科技公司 | Method for transmitting short message on voice channel |
| CN101159794A (en) * | 2007-08-23 | 2008-04-09 | 宇龙计算机通信科技(深圳)有限公司 | Method and terminal equipment for transmitting, receiving data information during communication |
| CN102647255A (en) * | 2012-05-14 | 2012-08-22 | 李勇 | Method and system for transmitting data on wireless voice channel in Internet of things energy consumption monitoring |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103916837A (en) * | 2014-04-18 | 2014-07-09 | 广东欧珀移动通信有限公司 | Data receiving and transmitting method and intelligent terminal |
| CN103916837B (en) * | 2014-04-18 | 2018-05-04 | 广东欧珀移动通信有限公司 | Data receiving-transmitting method and intelligent terminal |
| CN110728261A (en) * | 2019-10-23 | 2020-01-24 | 武汉奇致激光技术股份有限公司 | Method for feeding back fault information of laser medical cosmetic equipment |
| CN110728261B (en) * | 2019-10-23 | 2022-08-30 | 武汉奇致激光技术股份有限公司 | Method for feeding back fault information of laser medical cosmetic equipment |
| CN113358139A (en) * | 2021-04-30 | 2021-09-07 | 威胜信息技术股份有限公司 | Method for encoding by using adjacent distorted pulse current signals in power frequency communication |
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Application publication date: 20130717 |