CN105323058A - Information transmission method - Google Patents
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- CN105323058A CN105323058A CN201410299832.8A CN201410299832A CN105323058A CN 105323058 A CN105323058 A CN 105323058A CN 201410299832 A CN201410299832 A CN 201410299832A CN 105323058 A CN105323058 A CN 105323058A
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Abstract
The present invention discloses an information transmission method by the utilization of an existing telephone communication network, including the steps as follows: a transmitter and a receiver make a rule which is obeyed at information transmission; the transmitter codes binary information to be transmitted into an action sequence for calling the telephone number of the receiver according to the agreed rule; the transmitter performs action according to the action sequence which is coded according to the agreed rule; the receiver detects that the transmitter starts to transmit information according to the agreed rule; the receiver records the action event sequence of the transmitter according to the agreed rule; the receiver detects that the transmitter finishes information transmission according to the agreed rule; the receiver decodes the action event sequence of the transmitter into binary information bits according to the agreed rule so as to acquire the information transmitted by the transmitter. The information transmission method can transmit information freely by making calls through the existing telephone communication network, and provide the transmitted information with better privacy and security through the agreed rule and coding.
Description
Technical field
The present invention relates to the communications field, particularly relating to a kind of existing telephone communication network that utilizes by repeatedly calling the method for transmission of information.
Background technology
According to the discussion of Shannon information theory, information is a kind of probabilistic tolerance; Information can be encoded by the binary bits that similar " 1010 " are such; The transmission of information can be understood as the process that transmit leg sends this binary-coded Bit String to recipient.
In today that ICT (information and communication technology) is highly developed, telecom operators and Virtual network operator are that the information transmission demand of people provides abundant class of business for people's selection, such as fixing and wireless voice communication, SMS service, internet data service etc.Fixed voice telephone service wherein and radiotelephone service have covered each corner in town and country especially already.Under normal conditions, the business of these information transmission is not provided freely to consumer and uses, and user needs payment call or campus network just can complete the transmission of information with mutual.
On the other hand, along with the progress of technology and universal, the fail safe of information communication, confidentiality also become the problem that people pay close attention to day by day.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of existing telephone communication network that utilizes by repeatedly calling the method for free transmission of information, and the method for transmission of information of the present invention can provide good confidentiality and fail safe by agreement code and coding to transmitted information.
For solving the problems of the technologies described above, the present invention utilizes the method for existing telephone communication network transmission of information, comprising:
(1) code followed of transmit leg and the transmission of recipient's appointed information, described code at least comprises following rule one wherein: binary information bit is encoded to ring duration of calling for each time and binary information bit is encoded to the interval time of calling between ring for each time;
Described code also comprises the inspection method starting transmission of information and the inspection method terminating transmission of information;
(2) the transmit leg code of arranging according to step (1), is encoded into binary information bit to be passed the action sequence dialing recipient's telephone number;
(3) transmit leg is according to step (1) the beginning transmission of information of arranging and the code terminating transmission of information, and according to the action that the action sequence that step (2) is encoded out is repeatedly called, hung up the telephone;
(4) recipient's code of arranging according to step (1), detects transmit leg and starts transmission of information;
(5) recipient's code of arranging according to step (1), monitors and records the incoming call vibration sequence of events of transmit leg incoming call on oneself phone; Described monitoring action does not comprise to send a telegram here the action of answering to incoming call; The incoming call vibration sequence of events of described transmit leg incoming call comprises the beginning ring moment of each logical incoming call of transmit leg incoming call and stops the ring moment;
(6) recipient's code of arranging according to step (1), detects the transmission of transmit leg ending message;
(7) recipient's code of arranging according to step (1), the incoming call vibration sequence of events of the transmit leg incoming call that step (5) is recorded is decoded into binary information bit, obtains the information that transmit leg transmits.
Wherein, in step (1), calling the ring duration for described each time can be mutually different.
Wherein, in step (1), the interval time of calling for described each time between ring can be mutually different.
Wherein, in step (1), the inspection method of the beginning transmission of information that recipient and transmit leg are arranged adopts: recipient and transmit leg appoint that information starts the time of transmitting in advance, and transmit leg and recipient start to carry out dialling and monitoring at the time point of this agreement respectively;
In step (1), the inspection method of the end transmission of information that recipient and transmit leg are arranged adopts: recipient and transmit leg appoint that time that the end of message transmits, transmit leg and recipient stop dialing and monitoring at time point of this agreement respectively in advance.
Wherein, in step (1), the inspection method of the beginning transmission of information that recipient and transmit leg are arranged adopts: recipient and transmit leg arrange what a fixing is called, sequence of hanging up the telephone in advance, recipient listening to that this fixing is called, after sequence of hanging up the telephone, then judges that transmit leg has started to recipient's transmission of information;
In step (1), the inspection method of the end transmission of information that recipient and transmit leg are arranged adopts: recipient and transmit leg arrange what a fixing is called, sequence of hanging up the telephone in advance, recipient listens in communication process that this fixing is called, after sequence of hanging up the telephone, then judge that transmit leg has terminated to recipient's transmission of information;
Wherein, in step (1), the inspection method of the end transmission of information that recipient and transmit leg are arranged adopts: recipient and transmit leg appoint the informational capacity that will transmit in advance, after recipient monitors and decode the binary information bit of this agreement total amount in communication process, then judge that transmit leg has terminated to recipient's transmission of information;
Wherein, in step (1), described code also comprises and is encoded to the ring duration of calling for each time to binary information bit and limits, and what the ring duration of calling for each time was less than or equal to that telecommunication network operators supports does not receive calls the most long ringing time.
Wherein, in step (2), information bit to be passed use error correction coding to carry out error correction coding after again according to the code that step (1) is arranged, the binary information bit after error correction coding is decoded into the action sequence dialing recipient's telephone number;
In step (7), after the binary information bit that the incoming call vibration sequence of events of transmit leg incoming call decodes out is carried out error-correcting decoding, obtain the information that transmit leg transmits.
Wherein, in step (7), recipient utilizes the General Theory of signal detection and estimation, selects the decoding algorithm being applicable to the communication control procedure that transmit leg and recipient arrange, recover and estimate the binary information bit that transmit leg is sent from various hard decision and soft-decision algorithm.
The communication control procedure that recipient arranges according to transmit leg and recipient, according to the General Theory of signal detection and estimation, use decoding algorithm recovers and estimates the binary information bit that transmit leg is sent.Described decoding algorithm includes but not limited to: periodically carry out to ringing condition the simple decision algorithm judged of sampling; Over-sampling is carried out to ringing condition and carries out the algorithm of majority decision; The ring duration of recipient's record, ring interval time are carried out the existing decoding algorithm of algorithm of hard decision etc. compared with the agreement of communication control procedure.
The code using method transmit leg of the present invention only to use to call repeatedly is dialed recipient's phone by transmit leg and is controlled to call the number of times of action, the duration of calling for each time and call the mode in the time interval between action for each time, recipient only needs record the beginning ring of transmit leg each incoming call vibration and terminate the generation moment of ring, just by resolve record each incoming call vibration start time, finish time sequence to recover transmit leg transmit binary information bit, complete information transmission.Transmit leg dials the phone of recipient, because recipient does not need the phone having connect incoming call, current telecommunication network operators is not generally charged to the dialing action of recipient's dont answer, so transmit leg and recipient can not produce the communication cost called.Especially need the occasion of covert communications, secure communication at some, the code that technical solution of the present invention can be arranged in advance according to both sides carries out information transmission in the mode being not easily listened and decoding, and can reach the object of covert communications, has higher practical value.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and embodiment, the present invention is further detailed explanation:
Fig. 1 is that transmit leg of the present invention sends information flow schematic diagram.
Fig. 2 is that recipient of the present invention sends information flow schematic diagram.
The action schematic diagram of Fig. 3 first embodiment of the invention, the action sequence of recipient's telephone number is dialed in its display.
Fig. 4 is the action schematic diagram of second embodiment of the invention, and the action sequence of recipient's telephone number is dialed in its display.
Fig. 5 is the action schematic diagram of third embodiment of the invention, and the action sequence of recipient's telephone number is dialed in its display.
Embodiment
No matter the short message of any passage, be with which kind of coding mode information encode, all can regard a string binary information bit as, such as " bright " this Chinese character, with GBK coding, data are 0xC30xF7, be converted into binary information bit further, the data for following:
1100001111110111
In the first embodiment of the invention, transmit leg and recipient as follows, pass to recipient the GBK code binary information bit of " bright " this Chinese character: arranging code in the present embodiment is: binary information bit is encoded to each interval time of calling between ring.
Start the inspection method of transmission of information: continuous ringing regards as the mark that communication starts for 20 seconds
Terminate the inspection method of transmission of information: continuous ringing regards as the mark of sign off for 20 seconds
Information coding method: binary information bit is encoded to each interval time of calling between ring.Preferred settings value using 10 seconds as chronomere.Call the fixing ring time all using 10 seconds after starting communication, and the binary message of 4 bits is often organized in the time interval representative between calling with twice at every turn; Such as binary bits information 0011 decimally number be expressed as 3, so it is encoded to the ring interval time of (3+1) x10 second.1 operation that adds wherein is used for guaranteeing that 0000 this binary message can be encoded to the ring interval time of 10 seconds.
Under this embodiment, in order to the GBK of " bright " this Chinese character coding is passed to recipient from transmit leg, can use and call sequence shown in Fig. 3.In figure, be used for the beginning of identification information transmission first the continuous ring time of 20 seconds at (s) place; Thereafter 130 seconds ring time interval binary bits to be passed is 1100 (decimal numbers 12); Thereafter be used for 10 second ring time delimiting; Thereafter rings in 40 seconds represent that binary bits to be passed is 0011 (decimal number 3) interval time; By that analogy, until the end of the last continuous ringing time marking communication of 20 seconds with (e) place.
After recipient detects that the communication at (s) place starts mark, record (A) (B) (C) ... the stopping ring time of each point, and the ring interval that may occur that each ring interval and communication control procedure are arranged is compared, determine which four bit-binary information combination is transmission sequences that most probable occurs by the method for hard decision.It is 143 seconds that such as recipient records (A) (B) point-to-point transmission time interval, then according to following formula,
T＝(N+1)x10+10
(N is that the 4 bit-binary information sent are expressed as metric numerical value; T is the time interval of (A) (B) point-to-point transmission that this transmission information of expection produces)
If known transmit leg sends is 1100 these binary information bit combinations, recipient records (A) (B) point-to-point transmission every with expection (A) (B) point-to-point transmission every (140 seconds) difference be 3 seconds; If transmit leg sends is 1101 these information bits combinations, recipient records (A) (B) point-to-point transmission every with expection (A) (B) point-to-point transmission every (150 seconds) difference be 7 seconds; Therefore recipient can judge, the possibility that transmit leg sends 1100 these four bit-binary information is larger.Accordingly, recipient can recover whole binary messages that transmit leg transmits.
In second embodiment of the invention, transmit leg and recipient as follows, pass to recipient the GBK code binary information bit of " bright " this Chinese character: arranging code in the present embodiment is: binary information bit is encoded to the ring duration of calling for each time.
Start the inspection method of transmission of information: transmit leg and recipient arrange to start the moment of transmission of information in advance.Recipient started to detect ringing condition in the agreement moment.
Terminate the inspection method of transmission of information: transmit leg and recipient arrange the total amount of transmission of information in advance.Recipient terminates to detect ringing condition after the information bit receiving agreement total amount.
Information coding method: binary information bit is encoded to the ring duration of calling for each time.The preferred value of chronomere is still appointed as 10 seconds, and the binary message of 2 bits is often organized in the representative of ring duration.Call the unified use Fixed Time Interval of 10 seconds between ring in communication process for each time, and often organize the binary message of 2 bits with the duration representative of calling ring at every turn; Such as binary bits information 10 decimally number be expressed as 2, so it be encoded to (2+1) x10 second=ring duration of 30 seconds.1 operation that adds wherein is used for guaranteeing that 00 this binary message can be encoded to the ring duration of 10 seconds.
Under this embodiment, in order to the GBK of " bright " this Chinese character coding is passed to recipient from transmit leg, can use and call sequence shown in Fig. 4.In figure, transmit leg and recipient about fix on the moment that (s) place represents and start to carry out information transmission.First the continuous ring time of 40 seconds represents that binary bits to be passed is 11 (decimal numbers 3); Thereafter rings in 10 seconds are used for delimiting interval time; Thereafter rings in 10 seconds represent that binary bits to be passed is 00 (decimal number 0) interval time; By that analogy, until finally complete the information transmission of 16 bits altogether at (e) place and terminate communication.
Recipient started to detect ringing condition in (s) moment, record the start and stop ring time of each ring, and the ring duration that may occur that each ring duration and communication control procedure arrange is compared, determine which 2 bit-binary information combination is transmission sequences that most probable occurs by the method for hard decision.It is 16 seconds that such as recipient records (B) (C) point-to-point transmission time interval, then according to following formula,
T’＝(N’+1)x10+10
(N ' be that the 2 bit-binary information sent are expressed as metric numerical value; The time interval of (B) (C) point-to-point transmission that T ' produces for this transmission information of expection)
If known transmit leg sends is 00 this binary information bit combination, recipient records (B) (C) point-to-point transmission every with expection (B) (C) point-to-point transmission every (20 seconds) difference be 4 seconds; If transmit leg sends is 01 this information bit combination, recipient records (B) (C) point-to-point transmission every with expection (B) (C) point-to-point transmission every (30 seconds) difference be 14 seconds; Therefore recipient can judge, the possibility that transmit leg sends 00 this 2 bit-binary information is larger.
Accordingly, recipient can recover whole binary messages that transmit leg transmits.
In third embodiment of the invention, transmit leg and recipient as follows, pass to recipient the GBK code binary information bit of " bright " this Chinese character:
(1) code followed of transmit leg and the transmission of recipient's appointed information:
Transmit leg and recipient's agreement, be defined as bit 1: call ring and continue a chronomere τ; Bit 0 is defined as: do not call (No ringing), continues a chronomere τ.(the present embodiment is that agreement binary information bit is encoded to the ring duration of calling for each time and the interval time of calling between ring for each time);
Transmit leg and recipient arrange further, use the ring of a chronomere as the mark starting to communicate (starting the inspection method of transmission of information); Transmit leg and recipient arrange further, and sending direction recipient informational capacity to be passed is 16 bits (terminating the inspection methods of transmission of information); Transmit leg and recipient arrange further, for avoiding certain ring time more than 1 minute, there are four successive bits 1 that " 11111 " are such in information bit to be passed, and when next bit to be passed is still 1, inserts after the 4th bit and send for one 0.In the present embodiment, the preferred value of chronomere τ is 10 seconds.
(2) the transmit leg code of arranging according to step (1), is encoded into the action sequence dialing recipient's telephone number shown in Fig. 3 binary information bit to be passed;
In Fig. 5: (s) represents that the ring of a chronomere represents that information transmission starts.
(0) represent due to occur in information bit to be passed be continuously 1 situation thus insert one 0.
E () represents that the communication total amount (16 bit) of the full agreement of information bit to be passed is so the transmission of ending message.
(3) transmit leg according to step (1) arrange about starting transmission of information, terminating the code of transmission of information, and according to the coding action sequence out described in step (2), the action of repeatedly call, hanging up the telephone; With reference to Fig. 3, transmit leg needs to dial and hang up the telephone four times altogether, just can complete the task to recipient's transmission of information;
(4), when recipient detects the transmit leg Inbound Calls ring in (s) stage chronomere (10 seconds) in Fig. 5, the beginning that sending direction recipient information is transmitted is judged to be;
(5) recipient records the start and end time of each transmit leg Inbound Calls ring in Fig. 5;
(6) the incoming call vibration sequence of events of recipient to each the transmit leg incoming call that step (5) is recorded is decoded, and recovers the binary information bit that transmit leg transmits;
Coding/decoding method adopts: from receiving the ring of transmit leg Inbound Calls first (in Fig. 5 (A) point), first pushing ahead 5 seconds (for proceeding to the mid point of first chronomere), then judging the state of current call ring every 10 seconds: if recipient is in incoming call vibration state on this time point, if be decoded as 1, recipient is in non-incoming call vibration state on this time point, is decoded as 0.Due to first chronomere's representative is the beginning that information is transmitted, so this chronomere's mid point decodes 1 is abandoned; Artificially one 0 is inserted to evade the restriction of telephone network to the most long ringing time of ring unanswered's phone, so 0 will abandoning of decoding in the residing chronomere of (B) point of Fig. 5 of recipient because transmit leg and recipient have arranged continuous needs after 41;
(7) recipient is after step (6) detects 16 bit informations that transmit leg transmits, and (C) point in Figure 5, stops the detection to transmit leg transmission of information.
Below through the specific embodiment and the embodiment to invention has been detailed description, but these are not construed as limiting the invention.Without departing from the principles of the present invention, those skilled in the art also can make many distortion and improvement, and these also should be considered as protection scope of the present invention.
Claims (9)
1. utilize a method for existing telephone communication network transmission of information, it is characterized in that, comprising:
(1) code followed of transmit leg and the transmission of recipient's appointed information, described code at least comprises following rule one wherein: binary information bit is encoded to ring duration of calling for each time and binary information bit is encoded to the interval time of calling between ring for each time;
Described code also comprises the inspection method starting transmission of information and the inspection method terminating transmission of information;
(2) the transmit leg code of arranging according to step (1), is encoded into binary information bit to be passed the action sequence dialing recipient's telephone number;
(3) transmit leg is according to step (1) the beginning transmission of information of arranging and the code terminating transmission of information, and according to the action that the action sequence that step (2) is encoded out is repeatedly called, hung up the telephone;
(4) recipient's code of arranging according to step (1), detects transmit leg and starts transmission of information;
(5) recipient's code of arranging according to step (1), monitors and records the incoming call vibration sequence of events of transmit leg incoming call on oneself phone; Described monitoring action does not comprise to send a telegram here the action of answering to incoming call; The incoming call vibration sequence of events of described transmit leg incoming call comprises the beginning ring moment of each logical incoming call of transmit leg incoming call and stops the ring moment;
(6) recipient's code of arranging according to step (1), detects the transmission of transmit leg ending message;
(7) recipient's code of arranging according to step (1), the incoming call vibration sequence of events of the transmit leg incoming call that step (5) is recorded is decoded into binary information bit, obtains the information that transmit leg transmits.
2. utilize the method for existing telephone communication network transmission of information as claimed in claim 1, it is characterized in that:
In step (1), calling the ring duration for described each time can be mutually different.
3. utilize the method for existing telephone communication network transmission of information as claimed in claim 1, it is characterized in that:
In step (1), the interval time of calling for described each time between ring can be mutually different.
4. utilize the method for existing telephone communication network transmission of information as claimed in claim 1, it is characterized in that:
In step (1), the inspection method of the beginning transmission of information that recipient and transmit leg are arranged adopts: recipient and transmit leg appoint that information starts the time of transmitting in advance, and transmit leg and recipient start to carry out dialling and monitoring at the time point of this agreement respectively;
In step (1), the inspection method of the end transmission of information that recipient and transmit leg are arranged adopts: recipient and transmit leg appoint that time that the end of message transmits, transmit leg and recipient stop dialing and monitoring at time point of this agreement respectively in advance.
5. utilize the method for existing telephone communication network transmission of information as claimed in claim 1, it is characterized in that:
In step (1), the inspection method of the beginning transmission of information that recipient and transmit leg are arranged adopts: recipient and transmit leg arrange what a fixing is called, sequence of hanging up the telephone in advance, recipient listening to that this fixing is called, after sequence of hanging up the telephone, then judges that transmit leg has started to recipient's transmission of information;
In step (1), the inspection method of the end transmission of information that recipient and transmit leg are arranged adopts: recipient and transmit leg arrange what a fixing is called, sequence of hanging up the telephone in advance, recipient listens in communication process that this fixing is called, after sequence of hanging up the telephone, then judge that transmit leg has terminated to recipient's transmission of information.
6. utilize the method for existing telephone communication network transmission of information as claimed in claim 1, it is characterized in that:
In step (1), the inspection method of the end transmission of information that recipient and transmit leg are arranged adopts: recipient and transmit leg appoint the informational capacity that will transmit in advance, after recipient monitors and decode the binary information bit of this agreement total amount in communication process, then judge that transmit leg has terminated to recipient's transmission of information.
7. utilize the method for existing telephone communication network transmission of information as claimed in claim 1, it is characterized in that:
In step (1), described code also comprises and is encoded to the ring duration of calling for each time to binary information bit and limits, and what the ring duration of calling for each time was less than or equal to that telecommunication network operators supports does not receive calls the most long ringing time.
8. utilize the method for existing telephone communication network transmission of information as claimed in claim 1, it is characterized in that:
In step (2), information bit to be passed use error correction coding to carry out error correction coding after again according to the code that step (1) is arranged, the binary information bit after error correction coding is decoded into the action sequence dialing recipient's telephone number;
In step (7), after the binary information bit that the incoming call vibration sequence of events of transmit leg incoming call decodes out is carried out error-correcting decoding, obtain the information that transmit leg transmits.
9. utilize the method for existing telephone communication network transmission of information as claimed in claim 1, it is characterized in that:
In step (7), recipient utilizes the General Theory of signal detection and estimation, the decoding algorithm being applicable to the communication control procedure that transmit leg and recipient arrange is selected from various hard decision and soft-decision algorithm, recover and estimate the binary information bit that transmit leg is sent, described decoding algorithm includes but not limited to: periodically carry out to ringing condition the simple decision algorithm judged of sampling; Ringing condition is sampled and carries out the algorithm of majority decision; The ring duration of recipient's record, ring interval time are carried out the algorithm of hard decision compared with the agreement of communication control procedure.
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| CN201410299832.8A CN105323058A (en) | 2014-06-27 | 2014-06-27 | Information transmission method |
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| CN201410299832.8A CN105323058A (en) | 2014-06-27 | 2014-06-27 | Information transmission method |
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| CN106488004A (en) * | 2016-07-04 | 2017-03-08 | 南开大学 | A kind of communication means based on ring time space coding |
| CN107276719A (en) * | 2017-06-05 | 2017-10-20 | 武汉虹信通信技术有限责任公司 | A kind of number decimal number odd even number recognition methods for communication system |
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| CN103248416A (en) * | 2013-04-23 | 2013-08-14 | 北京小米科技有限责任公司 | Information transmission method and device |
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| US20040198471A1 (en) * | 2002-04-25 | 2004-10-07 | Douglas Deeds | Terminal output generated according to a predetermined mnemonic code |
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Application publication date: 20160210 |