WO2013017005A1 - 位置信息的发送方法及其移动通信终端 - Google Patents

位置信息的发送方法及其移动通信终端 Download PDF

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Publication number
WO2013017005A1
WO2013017005A1 PCT/CN2012/078391 CN2012078391W WO2013017005A1 WO 2013017005 A1 WO2013017005 A1 WO 2013017005A1 CN 2012078391 W CN2012078391 W CN 2012078391W WO 2013017005 A1 WO2013017005 A1 WO 2013017005A1
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Prior art keywords
data
tone multi
dual
module
frequency
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PCT/CN2012/078391
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English (en)
French (fr)
Inventor
杨志兵
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惠州Tcl移动通信有限公司
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Publication of WO2013017005A1 publication Critical patent/WO2013017005A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/029—Location-based management or tracking services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/08—Telephonic communication systems specially adapted for combination with other electrical systems specially adapted for optional reception of entertainment or informative matter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/42348—Location-based services which utilize the location information of a target
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/20—Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel

Definitions

  • the present invention relates to the field of mobile communications, and in particular, to a method for transmitting location information and a mobile communication terminal thereof.
  • Interaction and communication are the current development trend of the society. People communicate through online communication methods such as chat tools, blogs, Weibo, BBS, etc. Friends and colleagues can use these channels to know where they are, what happens, and know themselves. Recent moods, etc. Therefore, the location information of the current user can be shared on the chat tool, blog, Weibo, BBS, and the like.
  • mobile phone voice call function uses dual tone multi-frequency (DTMF, Dual Tone Multi Frequency), we often use it in the process of making calls in daily life, such as dialing the user's extension number, entering the account number and password.
  • DTMF Dual Tone Multi Frequency
  • the dual tone multi-frequency consists of a high frequency group and a low frequency group, and the high and low frequency groups each contain 4 frequencies.
  • Dual-tone multi-frequency is a method of expressing numbers and symbols by using tones in a voice channel. As a technology for realizing fast and reliable transmission of telephone numbers, it has strong anti-interference ability and high transmission speed. It is used to transmit signaling on an analog voice channel, so it has a wide range of applications in communications.
  • the mobile communication terminal When using the voice call function, the mobile communication terminal cannot share or display its own location information to the other party currently calling, and can only inform the other party of its current location information by means of another voice or SMS or MMS, and the information needs to be clarified by itself. In order to inform the other party, it takes time and effort, and it can not be seen at a glance, reducing the current user experience.
  • the technical problem to be solved by the present invention is to provide a method for transmitting location information and a mobile communication terminal thereof, which can display a current location to a call partner during a call.
  • a technical solution adopted by the embodiment of the present invention is to provide a method for transmitting location information of a mobile communication terminal, including the following steps: after establishing a call connection, acquiring location data of the terminal during a call; The data is converted into data in a dual-tone multi-frequency data format, wherein the standard dual-tone multi-frequency data includes four English letters and numbers from 0 to 9, the position data includes longitude and latitude, the longitude includes east and west, and the latitude includes north latitude and In the south latitude, the longitude and latitude both include degrees, minutes and seconds.
  • the four English letters correspond one-to-one to the east, west, north and south, and the numbers are one-to-one corresponding to degrees, minutes and seconds;
  • the data of the data format is added with an identifier, and the data of the dual-tone multi-frequency data format after the identification is added to obtain the encoded dual-tone multi-frequency audio data; and the encoded dual-tone multi-frequency audio data is sent to the receiving end; It is detected whether the call is still in progress, and if the call has been stopped, the step of acquiring the location data of the terminal is stopped.
  • the step of adding an identifier to the data in the dual-tone multi-frequency data format includes: adding an identifier indicating the location data to the data head end and the tail end of the dual-tone multi-frequency data format, respectively.
  • a mobile communication terminal including: a communication module, configured to establish a call connection; and an acquisition module, configured to acquire location data of the sender during the call; a conversion module, configured to convert longitude and latitude information data into data in a dual-tone multi-frequency data format; an encoding module, configured to add an identifier to the data in the dual-tone multi-frequency data format, and add the identifier to the dual-tone multi-frequency data format
  • the data is encoded; the sending module is configured to send the obtained dual-tone multi-frequency audio data to the receiving end.
  • the detection module is connected to the sending module, and is configured to detect whether the call is still in progress. If the call has been stopped, the location data of the terminal is stopped.
  • the acquisition module is a GPS chip.
  • the period in which the GPS chip acquires the current location data is one second.
  • the conversion module, the coding module and the transmission module are integrated.
  • the mobile communication terminal is a mobile phone, a car phone or a walkie-talkie.
  • a mobile communication terminal including: a receiving module, configured to receive dual-tone multi-frequency audio data through a voice channel; and a decoding module, configured to decode dual a multi-frequency audio data; a judging module, configured to determine whether the decoded dual-tone multi-frequency audio data includes an identifier of the corresponding location data; and a restoration module, configured to: if the decoded dual-tone multi-frequency audio data includes corresponding location data The identification analyzes the other dual-tone multi-frequency audio data except the identification, and restores the position data.
  • the mobile communication terminal includes a display module, and the display module receives a character string representing the location data sent by the restoration module, the character string represents the current location information of the call partner, and is used to display the corresponding location according to the location data.
  • the decoding module, the determining module and the restoring module are integrated.
  • the mobile communication terminal is a mobile phone, a car phone or a walkie-talkie.
  • the invention has the beneficial effects that the difference between the two parties in the prior art can only tell the other party to share the location information of the other party by means of voice or short message or multimedia message, and the present invention automatically acquires the location data of the user when the call is established. And converting the location data into the data of the dual-tone multi-frequency data format, and transmitting the data to the other party through the voice channel, and the other party parses the data of the dual-tone multi-frequency data format, and finally obtains the current location information of the user, and can implement the call. During the process, the user's current location information is automatically obtained and shared with the other party at a glance, which enhances the user experience at a glance.
  • FIG. 1 is a flowchart of an embodiment of a method for sharing a location of a mobile communication terminal according to the present invention
  • FIG. 2 is a flowchart of a first embodiment of a method for transmitting location information of a mobile communication terminal according to the present invention
  • FIG. 3 is a flowchart of a second embodiment of a method for transmitting location information of a mobile communication terminal according to the present invention
  • FIG. 4 is a flowchart of a first embodiment of a method for receiving location information of a mobile communication terminal according to the present invention
  • FIG. 5 is a structural block diagram of a first embodiment of a mobile communication terminal according to the present invention.
  • FIG. 6 is a structural block diagram of a second embodiment of a mobile communication terminal according to the present invention.
  • Figure 7 is a block diagram showing the structure of a third embodiment of the mobile communication terminal of the present invention.
  • Figure 8 is a block diagram showing the structure of a fourth embodiment of the mobile communication terminal of the present invention.
  • FIG. 1 is a flowchart of an embodiment of a method for sharing a location of a mobile communication terminal according to the present invention.
  • Embodiments of the present invention include the following steps:
  • step S1 after the call connection is established, the location data of the sender is obtained during the call.
  • the GPS chip built in the mobile communication terminal is turned on.
  • the mobile communication terminal takes the mobile phone as an example. Get the current location data of the mobile phone sender, which means longitude and latitude.
  • the GPS chip mainly acquires the current latitude and longitude information of the mobile phone transmitting end. After the GPS chip is turned on, the satellite positioning information is received in real time, and the positioning information is parsed to obtain the current position data of the mobile phone, that is, the longitude and latitude information.
  • the GPS chip will obtain the current location data of the mobile phone sender every second. In this way, even if the sender of the mobile phone is in motion, its location data will be updated continuously.
  • the GPS chip can set the acquisition period of the location data, that is, the interval time can be long or short, and is set according to actual needs.
  • step S2 the location data is converted into data in a dual tone multi-frequency data format.
  • step S2 the standard dual tone multi-frequency data has sixteen characters: numbers 0 to 9, special symbols * and #, and English letters A, B, C, D.
  • the GPS chip obtains the current location data of the mobile phone sender, including longitude and latitude.
  • the longitude and latitude values generally comprise two parts: one part represents the direction, such as east longitude, west longitude, north latitude and south longitude, and the other part represents a specific value.
  • a place or a location can be represented by a combination of longitude and latitude, such as W22° 17' 20" (Western 22 degrees, 17 minutes and 20 seconds).
  • the first part of longitude and latitude includes: east longitude (indicated by E), west longitude (commonly expressed by W), north latitude (commonly expressed by N), and south latitude (accustomed to S).
  • the position data is represented as a dual-tone multi-frequency data format, that is, E is replaced by A in the standard dual-tone multi-frequency data, and W is replaced by B in the standard dual-tone multi-frequency data, and N is in the standard double-tone multi-frequency data.
  • S is replaced by D in the standard dual-tone multi-frequency data, so that all of the longitude and latitude directions can be converted into A, B, C, and D in the standard dual-tone multi-frequency data.
  • the second part of longitude and latitude is the specific longitude and latitude values, mainly consisting of three units: degree, minute and second.
  • the range of degrees is: 0 to 180.
  • the range of points is: 0 to 60.
  • the range of seconds is : 0 to 60, therefore, the number (0 to 9) in the three-digit standard dual-tone multi-frequency data can be used, the digital representation in the two-standard dual-tone multi-frequency data, and the two-standard dual-tone multi-frequency data.
  • the number in the middle indicates the second, and the insufficient number is supplemented with 0, that is, a total of seven digits indicates a specific longitude or a specific latitude data.
  • W22° 17' 20" 22 degrees 17 minutes and 20 seconds west longitude
  • the data converted to the dual-tone multi-frequency data format is B0221720.
  • the conversion method is not limited to this, as long as the position data is represented by the characters in the standard dual-tone multi-frequency data, and the representation is unambiguous, and the other methods are not repeated here.
  • Step S3 adding an identifier to the data of the dual-tone multi-frequency data format, and encoding the data of the dual-tone multi-frequency data format after the identification is added, to obtain the encoded dual-tone multi-frequency audio data.
  • step S3 the data of the dual-tone multi-frequency data format including the position data can be identified, so that the data difference from the normal dual-tone multi-frequency data format can be distinguished.
  • the user at the sender of the mobile phone may send data of the dual-tone multi-frequency data format that does not include the location data to the other party, in order to distinguish the data from the dual-tone multi-frequency data format that does not include the location data, including the location data.
  • the data in the dual tone multi-frequency data format is transmitted only when the data of the dual tone multi-frequency data format not including the location data is not transmitted.
  • an identifier that is, a character is added before and after the data of the dual-tone multi-frequency data format.
  • the string indicates the start and end with a special string (such as *##*) before and after the data in the dual-tone multi-frequency data format of the transmitted position data, such as *##* B0221720S1242336*##*.
  • step S4 the encoded dual-tone multi-frequency audio data is sent to the receiving end.
  • step S4 the location data is converted into data in a dual-tone multi-frequency data format, and the data of the dual-tone multi-frequency data format is added and sent to the receiving end.
  • step S5 the encoded dual tone multi-frequency audio data is obtained by the receiving end.
  • step S5 the dual tone multi-frequency audio data is converted from position data into data in a dual tone multi-frequency data format, and an identification is added.
  • step S6 the encoded dual-tone multi-frequency audio data is decoded to obtain decoded dual-tone multi-frequency audio data.
  • step S6 when receiving the dual-tone multi-frequency audio data, the receiving end determines whether the data includes a mark before and after the data, that is, a special character string, such as *##*, if yes, indicating the dual-tone multi-frequency audio.
  • the data is location data.
  • step S7 the identifier in the decoded dual-tone multi-frequency audio data is removed, and data in the dual-tone multi-frequency data format is obtained.
  • step S7 the identification is removed to obtain data in a valid dual tone multi-frequency data format, that is, the data includes location data.
  • the data includes location data.
  • *##* B0221720S1242336*##* after removing the logo, get B0221720S1242336.
  • step S8 the data in the dual tone multi-frequency data format is restored to the location data.
  • step S8 the data of the dual tone multi-frequency data format is restored to the position data using the inverse rule of step S2. Convert A to E, B to W, C to N, D to S, take 0 to 2 bits in the data as degrees, 3 to 4 as points, and 5 to 6 as seconds. If the B0221720S1242336 in step S7 is correspondingly reduced to W22° 17' 20" (Western 22 degrees, 17 minutes and 20 seconds).
  • step S9 the corresponding position is displayed according to the position data.
  • step S9 after receiving the location data, that is, the longitude latitude, the specific location information represented by the longitude and latitude is queried by a map application such as Google Map or Baidu map.
  • Google Maps or Baidu Maps each point corresponds to a combination of longitude and latitude, and also corresponds to a specific location information, so the latitude and longitude can be converted into specific location information through the correspondence.
  • the corresponding position information is “Shenzhen”.
  • the location information can be more detailed, and can be specific to the street and the like.
  • the location information string is transmitted to the display module, and displayed, so that the caller can clearly view the position of the other party in the call interface in the call interface, that is, in the above example, The caller can know that the other party is currently in Shenzhen.
  • the sender in order to enable the location information to be updated in real time, can send the latest longitude and latitude to the receiving end every 1 second every other interval, such as 1 second mentioned above, and the receiving end acquires and After the analysis, after obtaining the latest location information, the display of the location information on the call interface is updated, so that the current location information of the other party can be viewed in real time.
  • the location data of the user is automatically acquired, and the location data is converted into the data of the dual-tone multi-frequency data format, and sent to the other party through the voice channel, and the dual-tone multi-frequency data is parsed by the other party.
  • the formatted data, and finally obtain the current location information of the user can automatically obtain the current location information of the user during the call and share it with the other party at a glance, at a glance, enhance the user experience, and does not increase the cost of the call, nor does it require operation.
  • Business network support is
  • FIG. 2 is a flowchart of a first embodiment of a method for transmitting location information of a mobile communication terminal according to the present invention. This embodiment includes the following steps:
  • Step S11 after establishing a call connection, acquiring location data of the terminal during the call.
  • the GPS chip built in the mobile communication terminal is turned on.
  • the mobile communication terminal takes the mobile phone as an example.
  • Get the current location data of the mobile phone sender which means longitude and latitude.
  • the GPS chip mainly acquires the current latitude and longitude information of the mobile phone transmitting end.
  • the satellite positioning information is received in real time, and the positioning information is parsed to obtain the current longitude and latitude information of the mobile phone transmitting end.
  • the GPS chip will obtain the current location data of the mobile phone sender every second. In this way, even if the sender of the mobile phone is in motion, its location data will be updated continuously.
  • the GPS chip can set the acquisition period of the location data, that is, the interval time can be long or short, and is set according to actual needs.
  • step S12 the location data is converted into data in a dual tone multi-frequency data format.
  • the standard dual-tone multi-frequency data includes: numbers from 0 to 9 and four English letters A, B, C, and D.
  • the GPS chip obtains the current location data of the mobile phone sender, including longitude and latitude.
  • the longitude and latitude values generally comprise two parts: one part represents the direction, the longitude includes the east longitude and the west longitude, the latitude includes the north latitude and the south latitude, and the other part represents the specific value.
  • a place or a location can be represented by a combination of longitude and latitude, such as W22° 17' 20" (Western 22 degrees, 17 minutes and 20 seconds).
  • the first part of longitude and latitude includes: east longitude (indicated by E), west longitude (commonly expressed by W), north latitude (commonly expressed by N), and south latitude (accustomed to S).
  • the four English letters correspond one-to-one to the east, west, north, and south.
  • the position data is represented as a dual-tone multi-frequency data format, that is, E is replaced by A in the standard dual-tone multi-frequency data, and W is replaced by B in the standard dual-tone multi-frequency data, and N is in the standard double-tone multi-frequency data.
  • S is replaced by D in the standard dual-tone multi-frequency data, so that all of the longitude and latitude directions can be converted into A, B, C, and D in the standard dual-tone multi-frequency data.
  • the second part of longitude and latitude is the specific longitude and latitude values, mainly consisting of three units: degree, minute and second.
  • the range of degrees is: 0 to 180.
  • the range of points is: 0 to 60.
  • the range of seconds is : 0 to 60.
  • the numbers are one-to-one corresponding to degrees, minutes, and seconds.
  • the number (0 to 9) in the three-digit standard dual-tone multi-frequency data can be used to represent the degree
  • the number in the two-standard dual-tone multi-frequency data is represented
  • the number in the two-standard dual-tone multi-frequency data represents the second.
  • the insufficient digits are supplemented by 0, that is, a total of seven digits indicates a specific longitude or a specific latitude data.
  • W22° 17' 20" 22 degrees 17 minutes and 20 seconds west longitude
  • the data converted to the dual-tone multi-frequency data format is B0221720.
  • the conversion method is not limited to this, as long as the position data is represented by the characters in the standard dual-tone multi-frequency data, and the representation is unambiguous, and the other methods are not repeated here.
  • Step S13 adding an identifier to the data of the dual-tone multi-frequency data format, and encoding the data of the dual-tone multi-frequency data format after the identification is added, to obtain the encoded dual-tone multi-frequency audio data.
  • the data of the dual-tone multi-frequency data format including the location data can be identified, so that the data difference from the normal dual-tone multi-frequency data format can be distinguished.
  • the user at the sender of the mobile phone may send data of the dual-tone multi-frequency data format that does not include the location data to the other party, in order to distinguish the data from the dual-tone multi-frequency data format that does not include the location data, including the location data.
  • the data in the dual tone multi-frequency data format is transmitted only when the data of the dual tone multi-frequency data format not including the location data is not transmitted.
  • an identifier indicating the location data is added to the data head end and the tail end of the dual tone multi-frequency data format, respectively.
  • the standard dual-tone multi-frequency data also includes two special symbols * and #.
  • the special symbol is added as the identifier to the head end of the data of the dual-tone multi-frequency data format and
  • the tail end that is, the character string is added at the head end and the tail end to distinguish, and the start and end are indicated by a special character string (such as *##*) before and after the data of the DTMF data format for transmitting the position data.
  • a special character string such as *##*
  • step S14 the encoded dual-tone multi-frequency audio data is sent to the receiving end.
  • the location data is converted into data in a dual-tone multi-frequency data format, and the data in the dual-tone multi-frequency data format is added and sent to the receiving end.
  • the transmitting end of the mobile communication terminal automatically acquires the location data of the user when the call is established, and converts the location data into the data of the dual-tone multi-frequency data format, and sends the data to the other party through the voice channel, which can utilize the double
  • the audio multi-frequency data transfer holds the current location information of the user of the mobile communication terminal without adding hardware.
  • FIG. 3 is a flowchart of a second embodiment of a method for transmitting location information of a mobile communication terminal according to the present invention. The only difference from the first embodiment of the present invention is that:
  • step S14 the method further includes:
  • step S15 it is detected whether the call is still in progress, and if the call has been stopped, the step of acquiring the location data of the terminal is stopped.
  • Stopping the location data of the terminal that is, turning off the GPS chip, can save power and increase the working time of the mobile communication terminal.
  • FIG. 4 is a flowchart of a first embodiment of a method for receiving location information of a mobile communication terminal according to the present invention.
  • Embodiments of the present invention include the following steps:
  • step S21 the dual tone multi-frequency audio data is received through the voice channel.
  • the voice channel is a channel for data transmission in dual tone multi-frequency technology.
  • the receiving end receives the dual tone multi-frequency audio data sent by the transmitting end through the channel.
  • step S22 the dual tone multi-frequency audio data is decoded.
  • Step S23 determining whether the decoded dual-tone multi-frequency audio data includes an identifier of the corresponding location data.
  • the identifier of the location data is data for distinguishing whether the dual-tone multi-frequency audio data is normal voice communication or data indicating current location information of the other party.
  • Step S24 if yes, parsing the other dual-tone multi-frequency audio data except the logo, and restoring the position data.
  • the identifier is removed and then restored.
  • the reduction rule is: convert A to E, B to W, C to N, D to S, take 0 to 2 bits in the data as degrees, 3 to 4 as points, and 5 to 6 as seconds .
  • the dual tone multi-frequency audio data is data of normal voice communication, it is processed in a normal voice communication processing manner, and will not be described here.
  • the receiving end receives the dual-tone multi-frequency audio data sent by the transmitting end, and after decoding, detects whether it includes the identifier of the corresponding location data, thereby determining whether it is data indicating the current location information of the calling party.
  • the logo is removed and restored to obtain the current location data of the other party. It can automatically obtain the current location information of the caller during the call.
  • step S24 the method includes:
  • the corresponding position is displayed based on the position data.
  • the specific location information represented by the longitude and latitude is queried through a map application such as Google Maps or Baidu Map.
  • Google Maps or Baidu Maps each point corresponds to a combination of longitude and latitude, and also corresponds to a specific location information, so the latitude and longitude can be converted into specific location information through the correspondence.
  • the corresponding position information is “Shenzhen”.
  • the location information can be more detailed, and can be specific to the street and the like.
  • the location information string is transmitted to the display module, and displayed, so that the caller can clearly view the position of the other party in the call interface in the call interface, that is, in the above example, The caller can know that the other party is currently in Shenzhen.
  • the location information currently located by the call partner can be displayed at a glance, the call effect can be enhanced, and the location location function of the mobile communication terminal can be realized.
  • FIG. 5 is a structural block diagram of a first embodiment of a mobile communication terminal according to the present invention.
  • the transmitting end includes: a communication module 1, an obtaining module 2, a converting module 3, an encoding module 4, and a transmitting module 5.
  • the communication module 1 is used to establish a call connection.
  • the obtaining module 2 is connected to the communication module 1 for acquiring location data of the transmitting end during the call.
  • the conversion module 3 is connected to the acquisition module 2 for converting longitude and latitude information data into data of a dual tone multi-frequency data format.
  • the encoding module 4 is connected to the conversion module 3 for adding an identifier to the data of the dual-tone multi-frequency data format, and encoding the data of the dual-tone multi-frequency data format after the identification.
  • the sending module 5 is connected to the encoding module 4 for transmitting the obtained dual-tone multi-frequency audio data to the receiving end.
  • the acquisition module 4 updates the current location data in real time, and the cycle can be set as needed.
  • the transmitting end adds the communication module 1, the obtaining module 2, the encoding module 4, and the sending module 5.
  • the acquiring module 2 automatically acquires the location data of the user, and the converting module 3 converts the location data.
  • the final transmitting module 5 transmits the data to the receiving end through the voice channel, and can transmit the current location information of the user holding the mobile communication terminal by using the dual-tone multi-frequency data, and does not need to add hardware.
  • the acquisition module 2 is a GPS chip.
  • the conversion module 3, the encoding module 4, and the transmitting module 5 can be integrated, and the volume of the transmitting end of the mobile communication terminal can be reduced.
  • FIG. 6 is a structural block diagram of a second embodiment of a mobile communication terminal according to the present invention. The difference from the first embodiment of the transmitting end of the mobile communication terminal of the present invention is:
  • the detection module 6 is connected to the transmission module 5 for detecting whether the call is still in progress. If the call has been stopped, the acquisition module 2 is closed, and the location data of the terminal is stopped. It can save electricity and prolong the working time of the transmitting end of the mobile communication terminal.
  • Figure 7 is a block diagram showing the structure of a third embodiment of the mobile communication terminal of the present invention.
  • the embodiment of the invention comprises: a receiving module 11, a decoding module 12, a judging module 13 and a restoring module 14.
  • the receiving module 11 is configured to receive the dual tone multi-frequency audio data through the voice channel;
  • the decoding module 12 is connected to the receiving module 11 for decoding dual-tone multi-frequency audio data
  • the determining module 13 is connected to the decoding module 12, and configured to determine whether the decoded dual-tone multi-frequency audio data includes an identifier of the corresponding location data;
  • the restoration module 14 and the connection determination module 13 are configured to parse the other dual-tone multi-frequency audio data except the identifier to obtain the location data if the decoded dual-tone multi-frequency audio data includes the identifier of the corresponding location data.
  • the receiving module 11, the judging module 13 and the restoring module 14 are added, the receiving module 11 of the receiving end receives the dual-tone multi-frequency audio data sent by the transmitting end, and the decoding module 12 compares the dual-tone multi-frequency audio data.
  • the determining module 13 determines whether it is the data indicating the current location information of the call partner by detecting whether it includes the identifier of the corresponding location data, and the restoration module 14 removes the identifier from the data indicating the current location information of the call partner. After the restoration, the current location data of the other party of the call is obtained. It can automatically obtain the current location information of the caller during the call.
  • Figure 8 is a block diagram showing the structure of a fourth embodiment of the mobile communication terminal of the present invention. The difference from the first embodiment of the receiving end of the mobile communication terminal of the present invention is:
  • a display module 15 is included, and the display module 15 is connected to the restore module 14 for displaying a corresponding location according to the location data.
  • the display module 15 finally receives the string and displays it, which represents the current location information of the caller.
  • the decoding module 12, the determining module 13 and the restoration module 14 may be integrated. It is possible to reduce the volume of the receiving end of the mobile communication terminal.
  • the mobile communication terminal in the above embodiment is not limited to a mobile phone, and includes an electronic device capable of implementing a voice call function, such as a car phone or a walkie-talkie, and will not be further described herein.
  • the transmitting end and the receiving end can be reversed, that is, the transmitting end can also serve as the receiving end, so that both parties can send their current location information to the other terminal through dual tone multi-frequency, so that both parties can The current location of the other party is displayed on the call interface.
  • the working principle is the same as the above principle, and will not be further described here.

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  • Mobile Radio Communication Systems (AREA)

Abstract

本发明公开了一种位置信息的发送方法及其移动通信终端。该发送方法包括：建立通话连接后，在通话期间获取本终端的位置数据；将位置数据转化成双音多频数据格式的数据；对双音多频数据格式的数据添加标识，对添加标识后的双音多频数据格式的数据进行编码，得到编码后的双音多频音频数据；将编码后的双音多频音频数据向接收端发送；检测通话是否仍在进行，若已停止通话，停止获取本终端的位置数据。通过上述方式，能够在通话过程中向通话对方显示当前位置。

Description

位置信息的发送方法及其移动通信终端
【技术领域】
本发明涉及移动通信领域，特别是涉及一种位置信息的发送方法及其移动通信终端。
【背景技术】
互动与交流是社会当前发展的趋势，人们通过聊天工具、博客、微博、BBS等互联网络方式进行交流，朋友、同事便可通过这些渠道了解自己当前在哪个地方，发生哪些事，以及知道自己最近的心情等。因此，在聊天工具、博客、微博、BBS等上面都可以共享当前用户的位置信息。
然而，作为无线通信设备中最根本的功能，例如手机最根本的功能：语音通话功能，手机语音通话功能用到双音多频（DTMF，Dual Tone Multi Frequency），我们在日常生活中拨打电话的过程中经常会用到，如拨打用户的分机号码，输入帐号和密码等。双音多频由高频群和低频群组成，高低频群各包含4个频率。一个高频信号(1209～1 633 Hz)和一个低频信号(697～941 Hz)叠加组成一个组合信号，代表一个字符，因此，双音多频信号共有16个编码：数字0到9以及符号*、#与字母A、B、C、D。双音多频是一种在语音信道中用音调来表示数字和符号的方法，作为实现电话号码快速可靠传输的一种技术，它具有很强的抗干扰能力和较高的传输速度，可以用来在模拟语音信道传输信令，因此在通信中有广泛的应用。
使用语音通话功能时，移动通信终端无法向当前通话的对方共享或显示自己的位置信息，只能依靠另外的语音或者短信或者彩信等方式告知对方自己当前的位置信息，这些信息还需要自己弄清楚才能告知对方，费时耗力，还不能一目了然，降低当前用户的体验。
【发明内容】
本发明主要解决的技术问题是提供一种位置信息的发送方法及其移动通信终端，能够在通话过程中向通话对方显示当前位置。
为解决上述技术问题，本发明实施例采用的一个技术方案是：提供一种移动通信终端位置信息的发送方法，包括如下步骤：建立通话连接后，在通话期间获取本终端的位置数据；将位置数据转化成双音多频数据格式的数据，其中，标准双音多频数据包括四个英文字母和0到9的数字，位置数据包括经度和纬度，经度包括东经和西经，纬度包括北纬和南纬，经度和纬度均包括度、分和秒，将四个英文字母一一对应表示东经、西经、北纬和南纬，将数字一一对应表示度、分和秒；对双音多频数据格式的数据添加标识，并对添加标识后的双音多频数据格式的数据进行编码，得到编码后的双音多频音频数据；将编码后的双音多频音频数据向接收端发送；检测通话是否仍在进行，若已经停止通话，则停止进行获取本终端的位置数据的步骤。
其中，在对双音多频数据格式的数据添加标识的步骤中，包括：在双音多频数据格式的数据首端和尾端分别添加指示位置数据的标识。
为解决上述技术问题，本发明实施例采用的另一个技术方案是：提供一种移动通信终端，包括：通信模块，用于建立通话连接；获取模块，用于在通话期间获取发送端的位置数据；转换模块，用于将经度纬度信息数据转化成双音多频数据格式的数据；编码模块，用于对双音多频数据格式的数据添加标识，并对添加标识后的双音多频数据格式的数据进行编码；发送模块，用于将得到的双音多频音频数据发送给接收端。
其中，包括检测模块，检测模块连接发送模块，用于检测通话是否仍在进行，若已经停止通话，则停止获取本终端的位置数据。
其中，获取模块是GPS芯片。
其中，GPS芯片获取当前的位置数据的周期为一秒。
其中，转换模块、编码模块和发送模块集成一体。
其中，移动通信终端是手机、车载电话或者对讲机。
为解决上述技术问题，本发明实施例采用的另一个技术方案是：提供一种移动通信终端，包括：接收模块，用于通过语音通道接收双音多频音频数据；解码模块，用于解码双音多频音频数据；判断模块，用于判断解码后的双音多频音频数据是否包含对应位置数据的标识；还原模块，用于若解码后的双音多频音频数据是否包含对应位置数据的标识，则对除标识外的其他双音多频音频数据进行解析，还原得到位置数据。
其中，移动通信终端包括显示模块，显示模块接收由还原模块发送的代表位置数据的字符串，字符串表示通话对方当前的位置信息，并用于根据位置数据显示对应的位置。
其中，解码模块、判断模块和还原模块集成一体。
其中，移动通信终端是手机、车载电话或者对讲机。
本发明的有益效果是：区别于现有技术通话时通话双方只能靠语音或者短信或者彩信等方式告知对方才能共享对方的位置信息的情况，本发明在通话建立时，自动获取用户的位置数据，并将位置数据转化为双音多频数据格式的数据，并通过语音信道发送给对方，由对方解析该双音多频数据格式的数据，并最终获取用户当前的位置信息，能够实现在通话过程中自动获取用户当前的位置信息并共享给通话对方，一目了然，增强用户体验。
【附图说明】
图1是本发明移动通信终端的位置共享方法实施例的流程图；
图2是本发明移动通信终端位置信息的发送方法第一实施例的流程图；
图3是本发明移动通信终端位置信息的发送方法第二实施例的流程图；
图4是本发明移动通信终端位置信息的接收方法第一实施例的流程图；
图5是本发明移动通信终端第一实施例的结构框图；
图6是本发明移动通信终端第二实施例的结构框图；
图7是本发明移动通信终端第三实施例的结构框图；
图8是本发明移动通信终端第四实施例的结构框图。
【具体实施方式】
下面结合附图和实施例对本发明进行详细说明。
参阅图1，图1是本发明移动通信终端的位置共享方法实施例的流程图。本发明实施例包括如下步骤：
步骤S1，建立通话连接后，在通话期间获取发送端的位置数据。
在步骤S1中，通话双方的通话连接建立后，开启内置于移动通信终端的GPS芯片，本实施例中该移动通信终端以手机为例。获取手机发送端当前的位置数据，即指经度和纬度。GPS芯片主要获取手机发送端当前的经度纬度信息，GPS芯片开启后，实时地接收卫星的定位信息，并解析该定位信息从而获取手机当前的位置数据即经度和纬度信息。同时，只要通话双方一直处于通话过程中，GPS芯片就会每隔一秒地获取手机发送端当前的位置数据。这样，即使手机发送端处于运动过程中，其位置数据也会不停更新。当然，GPS芯片对位置数据的获取周期，即间隔时间可长可短，根据实际需要进行设置。
步骤S2，将位置数据转化成双音多频数据格式的数据。
在步骤S2中，标准双音多频数据共有十六种字符：数字0到9、特殊符号*和#，以及英文字母A、B、C、D。
GPS芯片获得手机发送端当前的位置数据，包括经度和纬度。该经度与纬度值一般包含两部分：一部分表示方向，如东经、西经、北纬和南纬，另一部分表示具体数值。某个地点或者某个位置都可以由一个经度和一个纬度的组合来表示，如W22° 17′ 20"（西经22度17分20秒）。
经度与纬度的第一部分包括：东经（习惯以E表示）、西经（习惯以W表示）、北纬（习惯以N表示）和南纬（习惯以S表示）。将位置数据表示为双音多频数据格式，即将E以标准双音多频数据中的A代替，W以标准双音多频数据中的B代替，N以标准双音多频数据中的C代替，S以标准双音多频数据中的D代替，这样所有的经度与纬度方向部分都可以转化为标准双音多频数据中的A、B、C、D。
经度与纬度的第二部分就是具体的经度与纬度的值，主要由：度、分、秒三个单位，度的范围是：0到180，分的范围是：0到60，秒的范围是：0到60，因此，可以使用三位标准双音多频数据中的数字（0到9）表示度，两位标准双音多频数据中的数字表示分，两位标准双音多频数据中的数字表示秒，不足位的以0补充，即一共是七位数字表示一个具体的经度或者一个具体的纬度数据。如W22° 17′ 20"（西经22度17分20秒），转化为双音多频数据格式的数据即为B0221720。
当然，转换方法不局限于此，只要利用标准双音多频数据中的字符对位置数据进行表示，而且表示无歧义即可，其余方法此处不再一一赘述。
步骤S3，对双音多频数据格式的数据添加标识，并对添加标识后的双音多频数据格式的数据进行编码，得到编码后的双音多频音频数据。
在步骤S3中，可以对的包含位置数据的双音多频数据格式的数据进行标识，从而可以区分与正常双音多频数据格式的数据差别。
在语音通话中，手机发送端的用户有可能发送不包括位置数据的双音多频数据格式的数据给对方，为了与不包括位置数据的双音多频数据格式的数据进行区分，包括位置数据的双音多频数据格式的数据只有在不包括位置数据的双音多频数据格式的数据没有发送的情况下进行传输。同时，为区分不包括位置数据的双音多频数据格式的数据，在发送位置数据的双音多频数据格式的数据时，在双音多频数据格式的数据的前后加上标识，即字符串，在发送位置数据的双音多频数据格式的数据的前后以特殊的字符串（如*##*）表示开始与结束，如*##* B0221720S1242336*##*。
步骤S4，将编码后的双音多频音频数据发送给接收端。
在步骤S4中，将位置数据转化为双音多频数据格式的数据，并对该双音多频数据格式的数据添加标识后发送给接收端。
步骤S5，由接收端获取编码后的双音多频音频数据。
在步骤S5中，该双音多频音频数据来自位置数据转化成双音多频数据格式的数据，并且添加有标识。
步骤S6，对编码后的双音多频音频数据进行解码，获得解码后的双音多频音频数据。
在步骤S6中，接收端在接收到双音多频音频数据时，判断其数据前后是否包含有标识，即特殊的字符串，如*##*，如果有，则说明该双音多频音频数据是位置数据。
步骤S7，去除解码后的双音多频音频数据中的标识，得到双音多频数据格式的数据。
在步骤S7中，将标识去除，得到有效的双音多频数据格式的数据，即该数据包括位置数据。如步骤S3中的，*##* B0221720S1242336*##*，去除标识后得到B0221720S1242336。
步骤S8，将双音多频数据格式的数据还原成位置数据。
在步骤S8中，利用步骤S2的反向规则将双音多频数据格式的数据还原成位置数据。将A转化为E，B转化为W，C转化为N，D转化为S，取出数据中的0到2位作为度，3到4位作为分，5到6位作为秒。如将步骤S7中的，B0221720S1242336，对应还原成，W22° 17′ 20"（西经22度17分20秒）。
步骤S9，根据位置数据显示对应的位置。
在步骤S9中，接收到位置数据，即经度纬度后，通过地图应用，如谷歌地图或者百度地图，查询经度和纬度所表示的具体位置信息。谷歌地图或者百度地图中，各个点都对应于一个经度和一个纬度的组合，同时也对应于一个具体的位置信息，所以通该对应关系就可以将经度纬度转化为具体的位置信息。如：（E114°04′12〃，N22°37′12〃），对应位置信息为“深圳”。当然，该位置信息可以更细致，可以具体到街道等。
获得位置信息后，将该位置信息字符串传递给显示模块，并显示出来，从而使得通话者可以将该字符串在通话界面中清楚地查看到对方当前通话时的位置，即在上述例子中，通话者可以知道对方目前正处于深圳。
在上述实施例中，为了使得位置信息能够实时更新，发送方可以每隔一个间隔时间，如上文提到的1秒，每隔1秒发送一次最新的经度与纬度给接收端，接收端获取并解析后，获得最新位置信息后，更新通话界面上位置信息的显示，从而，能够实时地查看对方当前的位置信息。
本发明实施例，通过在通话建立时，自动获取用户的位置数据，并将位置数据转化为双音多频数据格式的数据，并通过语音信道发送给对方，由对方解析该双音多频数据格式的数据，并最终获取用户当前的位置信息，能够实现在通话过程中自动获取用户当前的位置信息并共享给通话对方，一目了然，增强用户体验，并且不会增加通话的费用，也不需要运营商网络的支持。
参阅图2，图2是本发明移动通信终端位置信息的发送方法第一实施例的流程图。该实施例包括如下步骤：
步骤S11，建立通话连接后，在通话期间获取本终端的位置数据。
比如，通话双方的通话连接建立后，开启内置于移动通信终端的GPS芯片，本实施例中该移动通信终端以手机为例。获取手机发送端当前的位置数据，即指经度和纬度。GPS芯片主要获取手机发送端当前的经度纬度信息，GPS芯片开启后，实时地接收卫星的定位信息，并解析该定位信息从而获取手机发送端当前的经度和纬度信息。同时，只要通话双方一直处于通话过程中，GPS芯片就会每隔一秒地获取手机发送端当前的位置数据。这样，即使手机发送端处于运动过程中，其位置数据也会不停更新。当然，GPS芯片对位置数据的获取周期，即间隔时间可长可短，根据实际需要进行设置。
步骤S12，将位置数据转化成双音多频数据格式的数据。
比如，在步骤S2中，标准双音多频数据包括：0到9的数字以及四个英文字母A、B、C、D。
GPS芯片获得手机发送端当前的位置数据，包括经度和纬度。该经度与纬度值一般包含两部分：一部分表示方向，经度包括东经和西经，纬度包括北纬和南纬；另一部分表示具体数值。某个地点或者某个位置都可以由一个经度和一个纬度的组合来表示，如W22° 17′ 20"（西经22度17分20秒）。
经度与纬度的第一部分包括：东经（习惯以E表示）、西经（习惯以W表示）、北纬（习惯以N表示）和南纬（习惯以S表示）。将四个英文字母一一对应表示东经、西经、北纬和南纬。将位置数据表示为双音多频数据格式，即将E以标准双音多频数据中的A代替，W以标准双音多频数据中的B代替，N以标准双音多频数据中的C代替，S以标准双音多频数据中的D代替，这样所有的经度与纬度方向部分都可以转化为标准双音多频数据中的A、B、C、D。
经度与纬度的第二部分就是具体的经度与纬度的值，主要由：度、分、秒三个单位，度的范围是：0到180，分的范围是：0到60，秒的范围是：0到60。将数字一一对应表示度、分和秒。比如，可以使用三位标准双音多频数据中的数字（0到9）表示度，两位标准双音多频数据中的数字表示分，两位标准双音多频数据中的数字表示秒，不足位的以0补充，即一共是七位数字表示一个具体的经度或者一个具体的纬度数据。如W22° 17′ 20"（西经22度17分20秒），转化为双音多频数据格式的数据即为B0221720。
当然，转换方法不局限于此，只要利用标准双音多频数据中的字符对位置数据进行表示，而且表示无歧义即可，其余方法此处不再一一赘述。
步骤S13，对双音多频数据格式的数据添加标识，并对添加标识后的双音多频数据格式的数据进行编码，得到编码后的双音多频音频数据。
比如，可以对的包含位置数据的双音多频数据格式的数据进行标识，从而可以区分与正常双音多频数据格式的数据差别。
在语音通话中，手机发送端的用户有可能发送不包括位置数据的双音多频数据格式的数据给对方，为了与不包括位置数据的双音多频数据格式的数据进行区分，包括位置数据的双音多频数据格式的数据只有在不包括位置数据的双音多频数据格式的数据没有发送的情况下进行传输。同时，为区分不包括位置数据的双音多频数据格式的数据，在双音多频数据格式的数据首端和尾端分别添加指示位置数据的标识。如：
标准双音多频数据还包括两个特殊符号*和#，在发送位置数据的双音多频数据格式的数据时，将特殊符号作为标识添加于双音多频数据格式的数据的首端和尾端，即在首端和尾端添加进字符串以示区别，在发送位置数据的双音多频数据格式的数据的前后以特殊的字符串（如*##*）表示开始与结束，如*##* B0221720S1242336*##*。
步骤S14，将编码后的双音多频音频数据向接收端发送。
比如，将位置数据转化为双音多频数据格式的数据，并对该双音多频数据格式的数据添加标识后发送给接收端。
本发明实施例，移动通信终端的发送端通过在通话建立时，自动获取用户的位置数据，并将位置数据转化为双音多频数据格式的数据，并通过语音信道发送给对方，能够利用双音多频数据传送持有该移动通信终端的用户当前的位置信息，而且不需要增加硬件。
参阅图3，图3是本发明移动通信终端位置信息的发送方法第二实施例的流程图。与本发明第一实施例的区别仅在于：
在步骤S14之后，还包括：
步骤S15，检测通话是否仍在进行，若已经停止通话，则停止进行获取本终端的位置数据的步骤。
停止获取本终端的位置数据即关闭GPS芯片，能够节约电能，增加移动通信终端的工作时间。
参阅图4，图4是本发明移动通信终端位置信息的接收方法第一实施例的流程图。本发明实施例包括如下步骤：
步骤S21，通过语音通道接收双音多频音频数据。
比如，该语音通道是双音多频技术中数据传输的通道。接收端通过该通道接收由发送端发送过来的双音多频音频数据。
步骤S22，解码双音多频音频数据。
步骤S23，判断解码后的双音多频音频数据是否包含对应位置数据的标识。
比如，位置数据的标识，是用于区分该双音多频音频数据是正常语音通信的数据，还是表示通话对方的当前位置信息的数据。
步骤S24，若是则对除标识外的其他双音多频音频数据进行解析，还原得到位置数据。
比如，若是表示通话对方的当前位置信息的数据，就先去掉标识，然后对其进行还原。
该数据如果是，*##* B0221720S1242336*##*，先去掉首端和末端的标识*##*，得到B0221720S1242336，然后对其进行进一步还原。
该还原规则是：将A转化为E，B转化为W，C转化为N，D转化为S，取出数据中的0到2位作为度，3到4位作为分，5到6位作为秒。如B0221720S1242336，对应还原成，W22° 17′ 20"（西经22度17分20秒）。
当然，如果该双音多频音频数据是正常语音通信的数据，按正常语音通信处理方式进行处理，此处不再进行描述。
本发明实施例，通过接收端接收由发送端发送而来的双音多频音频数据，解码后通过检测其是否包括对应位置数据的标识，从而判断其是否是表示通话对方的当前位置信息的数据，对表示通话对方的当前位置信息的数据，去掉标识后进行还原，得到通话对方的当前位置数据。能够实现在通话过程中自动获取通话对方当前的位置信息。
本发明实施例的另一优选实施方式中，即在步骤S24之后，包括：
根据位置数据显示对应的位置。
比如，接收到位置数据，即经度纬度后，通过地图应用，如谷歌地图或者百度地图，查询经度和纬度所表示的具体位置信息。谷歌地图或者百度地图中，各个点都对应于一个经度和一个纬度的组合，同时也对应于一个具体的位置信息，所以通该对应关系就可以将经度纬度转化为具体的位置信息。如：（E114°04′12〃，N22°37′12〃），对应位置信息为“深圳”。当然，该位置信息可以更细致，可以具体到街道等。
获得位置信息后，将该位置信息字符串传递给显示模块，并显示出来，从而使得通话者可以将该字符串在通话界面中清楚地查看到对方当前通话时的位置，即在上述例子中，通话者可以知道对方目前正处于深圳。
本发明实施方式，能够一目了然的显示通话对方目前所处位置信息，增强通话效果，并且能够实现移动通信终端的位置定位功能。
参阅图5，图5是本发明移动通信终端第一实施例的结构框图。该发送端包括：通信模块1、获取模块2、转换模块3、编码模块4和发送模块5。
通信模块1，用于建立通话连接。
获取模块2，连接通信模块1，用于在通话期间获取发送端的位置数据。
转换模块3，连接获取模块2，用于将经度纬度信息数据转化成双音多频数据格式的数据。
编码模块4，连接转换模块3，用于对双音多频数据格式的数据添加标识，并对添加标识后的双音多频数据格式的数据进行编码。
发送模块5，连接编码模块4，用于将得到的双音多频音频数据发送给接收端。
获取模块4实时更新当前位置数据，该周期可以视需要进行设定。
本发明实施例，发送端增加通信模块1、获取模块2、、编码模块4和发送模块5，通信模块1在通话建立时，获取模块2自动获取用户的位置数据，转换模块3将位置数据转化为双音多频数据格式的数据，最后发送模块5通过语音信道发送给接收端，能够利用双音多频数据传送持有该移动通信终端的用户当前的位置信息，而且不需要增加硬件。
在本发明实施例中，获取模块2是GPS芯片。
另外，转换模块3、编码模块4和发送模块5可以集成一体，能够减小移动通信终端发送端的体积。
参阅图6，图6是本发明移动通信终端第二实施例的结构框图。与本发明移动通信终端的发送端第一实施例的区别在于：
包括检测模块6，检测模块6连接发送模块5，用于检测通话是否仍在进行，若已经停止通话，则获取模块2关闭，并停止获取本终端的位置数据。能够节约用电，延长移动通信终端发送端的工作时间。
参阅图7，图7是本发明移动通信终端第三实施例的结构框图。本发明实施例包括：接收模块11、解码模块12、判断模块13以及还原模块14。
接收模块11，用于通过语音通道接收双音多频音频数据；
解码模块12，连接接收模块11，用于解码双音多频音频数据；
判断模块13，连接解码模块12，用于判断解码后的双音多频音频数据是否包含对应位置数据的标识；
还原模块14，连接判断模块13，用于若解码后的双音多频音频数据是否包含对应位置数据的标识，则对除标识外的其他双音多频音频数据进行解析，还原得到位置数据。
本发明实施例，增加接收模块11、、判断模块13以及还原模块14，接收端的接收模块11接收由发送端发送而来的双音多频音频数据，解码模块12对该双音多频音频数据进行解码，解码后判断模块13通过检测其是否包括对应位置数据的标识，从而判断其是否是表示通话对方的当前位置信息的数据，还原模块14对表示通话对方的当前位置信息的数据，去掉标识后进行还原，得到通话对方的当前位置数据。能够实现在通话过程中自动获取通话对方当前的位置信息。
参阅图8，图8是本发明移动通信终端第四实施例的结构框图。与本发明移动通信终端的接收端第一实施例的区别在于：
包括显示模块15，显示模块15连接还原模块14，用于根据位置数据显示对应的位置。
显示模块15最终接收到字符串并将其显示出来，该字符串表示通话对方当前的位置信息。
在上述实施例中，解码模块12、判断模块13和还原模块14可以集成一体。能够减小移动通信终端接收端的体积。
上述实施例中的移动通信终端并不仅限于手机，还包括车载电话、对讲机等能够实现语音通话功能的电子设备，此处不再一一赘述。
上述实施例中，发送端与接收端可以对调，即发送端也同时可以作为接收端，这样，通话双方都可以通过双音多频发送自己当前的位置信息到对方终端上，从而，双方都可以在通话界面上显示对方当前位置。其工作原理与上述原理相同，此处不再进一步描述。
以上仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (12)

  1. 一种移动通信终端位置信息的发送方法，其特征在于，包括如下步骤：
    建立通话连接后，在通话期间获取本终端的位置数据；
    将所述位置数据转化成双音多频数据格式的数据，其中，所述标准双音多频数据包括四个英文字母和0到9的数字，所述位置数据包括经度和纬度，所述经度包括东经和西经，所述纬度包括北纬和南纬，所述经度和纬度均包括度、分和秒，将所述四个英文字母一一对应表示所述东经、西经、北纬和南纬，将所述数字一一对应表示所述度、分和秒；
    对所述双音多频数据格式的数据添加标识，并对添加标识后的所述双音多频数据格式的数据进行编码，得到编码后的双音多频音频数据；
    将所述编码后的双音多频音频数据向接收端发送；
    检测通话是否仍在进行，若已经停止通话，则停止进行获取本终端的所述位置数据的步骤。
  2. 根据权利要求1所述的发送方法，其特征在于：在所述对双音多频数据格式的数据添加标识的步骤中，包括：在所述双音多频数据格式的数据首端和尾端分别添加指示位置数据的标识。
  3. 一种移动通信终端，其特征在于，包括：
    通信模块，用于建立通话连接；
    获取模块，用于在通话期间获取发送端的位置数据；
    转换模块，用于将所述经度纬度信息数据转化成双音多频数据格式的数据；
    编码模块，用于对所述双音多频数据格式的数据添加标识，并对添加标识后的所述双音多频数据格式的数据进行编码；
    发送模块，用于将得到的双音多频音频数据发送给接收端。
  4. 根据权利要求3所述的移动通信终端，其特征在于：包括检测模块，所述检测模块连接所述发送模块，用于检测通话是否仍在进行，若已经停止通话，则停止获取所述本终端的所述位置数据。
  5. 根据权利要求3所述的移动通信终端，其特征在于：所述获取模块是GPS芯片。
  6. 根据权利要求5所述的移动通信终端，其特征在于：所述GPS芯片获取当前的位置数据的周期为一秒。
  7. 根据权利要求3所述的移动通信终端，其特征在于：所述转换模块、编码模块和发送模块集成一体。
  8. 根据权利要求3所述的移动通信终端，其特征在于：所述移动通信终端是手机、车载电话或者对讲机。
  9. 一种移动通信终端，其特征在于，包括：
    接收模块，用于通过语音通道接收双音多频音频数据；
    解码模块，用于解码所述双音多频音频数据；
    判断模块，用于判断解码后的双音多频音频数据是否包含对应位置数据的标识；
    还原模块，用于若所述解码后的双音多频音频数据是否包含对应位置数据的标识，则对除标识外的其他双音多频音频数据进行解析，还原得到位置数据。
  10. 根据权利要求9所述的移动通信终端，其特征在于：所述移动通信终端包括显示模块，所述显示模块接收由还原模块发送的代表位置数据的字符串，所述字符串表示通话对方当前的位置信息，并用于根据位置数据显示对应的位置。
  11. 根据权利要求9所述的移动通信终端，其特征在于：所述解码模块、判断模块和还原模块集成一体。
  12. 根据权利要求9所述的移动通信终端，其特征在于：所述移动通信终端是手机、车载电话或者对讲机。
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