WO2011026329A1 - 一种在wapi终端间通信的系统、方法及终端 - Google Patents

一种在wapi终端间通信的系统、方法及终端 Download PDF

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Publication number
WO2011026329A1
WO2011026329A1 PCT/CN2010/071951 CN2010071951W WO2011026329A1 WO 2011026329 A1 WO2011026329 A1 WO 2011026329A1 CN 2010071951 W CN2010071951 W CN 2010071951W WO 2011026329 A1 WO2011026329 A1 WO 2011026329A1
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WO
WIPO (PCT)
Prior art keywords
wapi
terminal
link
module
calling terminal
Prior art date
Application number
PCT/CN2010/071951
Other languages
English (en)
French (fr)
Inventor
吴红
刘杰杰
周洪刚
张绍磊
束志松
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to EP10813251.5A priority Critical patent/EP2461641A4/en
Priority to US13/393,623 priority patent/US8521133B2/en
Publication of WO2011026329A1 publication Critical patent/WO2011026329A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

Definitions

  • the present invention relates to a Wireless LAN Authentication and Privacy Infrastructure (WAPI), and more particularly to a system, method and terminal for implementing direct communication between WAPI terminals.
  • WAPI Wireless LAN Authentication and Privacy Infrastructure
  • the technical problem to be solved by the present invention is to provide a system and method for communicating between WAPI terminals, which can realize direct communication between WAPI terminals, is simple to implement, and can reduce communication costs.
  • the present invention provides a method for communicating between WAPI terminals, including: a calling terminal having a WAPI function sends a WAPI link establishment request to a called terminal having a WAPI function, and establishing a WAPI with the called terminal. Link, the calling terminal and the called terminal directly communicate through the established WAPI link.
  • the calling terminal carries the identifier of the calling terminal when sending the WAPI link establishment request to the called terminal;
  • the step of establishing a WAPI link includes: after receiving the WAPI link establishment request, the called terminal returns a response signal to the calling terminal if the request is sent by the friendly user, where the response signal carries the identifier of the called terminal.
  • the calling terminal determines whether the response signal is legal, if legal Establish a WAPI link with the called terminal.
  • the method further includes: if the calling terminal does not receive the response signal returned by the called terminal within the preset time, sending the WAPI link establishment request to the called terminal again, until The number of times the WAPI link establishment request is sent reaches the preset value.
  • the step of determining whether the response signal is legal is: the calling terminal determines whether the identifier carried in the response signal is the identifier of the called terminal, and if so, is legal, if not, it is illegal.
  • the identification of the calling terminal and the called terminal is a medium access control (MAC) address of the terminal.
  • the present invention also provides a system for communicating between WAPI terminals, including a calling terminal and a called terminal;
  • the calling terminal and the called terminal respectively include a WAPI module
  • the WAPI module of the calling terminal is set to:
  • the WAPI link establishment is completed by directly communicating with the called terminal through the established WAPI link; the WAPI module of the called terminal is set to:
  • the WAPI link establishment is completed by directly communicating with the calling terminal through the established WAPI link.
  • the WAPI module of the calling terminal is configured to: the WAPI link establishment request carries an identifier of the calling terminal;
  • the calling terminal and the called terminal further include a main control module
  • the WAPI module of the called terminal is further set to:
  • the response signal After receiving the notification of the return response sent by the main control module, the response signal is returned to the calling terminal, where the response signal carries the identifier of the terminal;
  • the main control module of the called terminal is configured to: after receiving the WAPI link establishment request, determine, according to the identifier of the calling terminal, whether the request is a friendly user, and if yes, notify the WAPI module to return a response;
  • the WAPI module of the calling terminal is further configured to: send a response signal returned by the received called terminal to the main control module;
  • the main control module of the calling terminal is configured to: determine whether the response signal is legal after receiving the response signal, and notify the WAPI module to establish a WAPI link with the called terminal if it is legal.
  • the calling terminal and the main control module of the called terminal are further configured to:
  • the encoded data signal is sent to the WAPI module; and the demodulated data signal of the WAPI module is received and decoded;
  • the WAPI module of the calling terminal is further configured to: send the received encoded data signal to the called terminal through the established WAPI link;
  • the WAPI module of the called terminal is further configured to: send the received encoded data signal to the calling terminal through the established WAPI link.
  • the WAPI module of the calling terminal is further configured to: determine whether a response signal is received within a preset time after sending a WAPI link establishment request, and if not, send a WAPI link establishment request again, until the number of times the WAPI link establishment request is sent reaches default value.
  • the identifiers of the calling terminal and the called terminal are media access control (MAC) addresses of the terminal.
  • the application also provides a terminal, which includes: a WAPI module,
  • the WAPI module is set to:
  • the WAPI link establishment request is sent to the called terminal, and the WAPI link is established with the called terminal; the WAPI link establishment is completed and the called terminal directly communicates through the established WAPI link; as well as,
  • a WAPI link is established with the calling terminal after receiving the WAPI link establishment request; the WAPI link establishment is completed and the direct communication is performed directly with the calling terminal through the established WAPI link.
  • the terminal further includes a main control module,
  • the WAPI module is configured to: when the terminal is used as a calling terminal, the WAPI link establishment request carries an identifier of the calling terminal;
  • the WAPI module is also configured to:
  • the module After receiving the notification of the return response sent by the main control module, the module returns a response signal to the calling terminal, where the response signal carries the identifier of the terminal;
  • the received response signal returned by the called terminal is sent to the main control module;
  • the main control module is set to:
  • the terminal When the terminal acts as the called terminal, after receiving the WAPI link establishment request, it determines whether the request is sent by the friendly user according to the identifier of the calling terminal, and if yes, notifies the WAPI module to return a response; when the terminal acts as the calling terminal When the response signal is received, it is determined whether the response signal is legal. If it is legal, the WAPI module is notified to establish a WAPI link with the called terminal.
  • the main control module is further configured to:
  • the encoded data signal is sent to the WAPI module; and the demodulated data signal of the WAPI module is received and decoded;
  • the WAPI module is also configured to:
  • the received encoded data signal is sent to the called terminal through the established WAPI link;
  • the received encoded data signal is sent to the calling terminal through the established WAPI link.
  • the WAPI module is further configured to: when the terminal is a calling terminal, after sending a WAPI link establishment request, determine whether a response signal is received within a preset time, and if not received, send a WAPI link establishment request again, until sending The number of WAPI link setup requests reaches the preset value.
  • the identifier of the terminal is a medium access control (MAC) address of the terminal.
  • MAC medium access control
  • the present invention utilizes a WAPI module provided with a mobile terminal to establish a point-to-point link to transmit voice and other information.
  • This implementation is not through the wireless carrier's network, so it does not incur costs, and is not affected by the wireless operator's wireless signal coverage.
  • the invention also does not require the participation of WAPI hotspots, which is a point-to-point connection between two WAPI devices, rather than connecting through a network such as INTERNET, and therefore does not require the participation of WAPI hotspots, and thus is not limited by the narrow layout of hotspots. .
  • WAPI hotspots which is a point-to-point connection between two WAPI devices, rather than connecting through a network such as INTERNET, and therefore does not require the participation of WAPI hotspots, and thus is not limited by the narrow layout of hotspots.
  • it is very convenient to use, just a simple menu operation, or even With a well-defined button, push-to-talk, so the prospects are very promising.
  • FIG. 1 is a schematic structural diagram of a WAPI terminal of the present invention
  • FIG. 2 is a flow chart of the method link establishment and direct communication of the method of the present invention.
  • the present invention provides a system and method for realizing direct communication between WAPI terminals.
  • a calling terminal having a WAPI function sends a WAPI link establishment request to a called terminal having a WAPI function, and establishes a WAPI link with the called terminal, and then the main The calling terminal and the called terminal communicate directly through the established WAPI link.
  • This embodiment provides a system for implementing direct communication between WAPI terminals, including a calling terminal and a called terminal.
  • both the calling terminal and the called terminal include a main control module, a radio frequency transceiver circuit (such as a circuit composed of a mobile phone radio chip), a WAPI module, an antenna, a display portion, a keyboard, and a sound output portion (RECEIVER/SPEAKER). Sound input section (MIC);
  • the main control module of the calling terminal is configured to determine whether the response signal is legal after receiving the response signal sent by the WAPI module, that is, determine whether the identifier in the response signal is the identifier of the called terminal, and if yes, notify the WAPI module and the called party.
  • the terminal establishes a WAPI link, otherwise the response signal is discarded.
  • the main control module of the called terminal is configured to determine whether the request is sent by the friendly user after receiving the WAPI link establishment request, and if yes, notify the WAPI module to return a response;
  • the calling terminal and the calling terminal's main control module are also used for performing audio encoding, channel encoding and the like on the received data signal, and also for transmitting the encoded signal to the WAPI module when the user selects the WAPI pass-through function, and when When the user does not select the WAPI pass-through function, the encoded signal is sent to the RF transceiver circuit; and is also used to receive the signal sent by the RF transceiver circuit or the WAPI module, and then sent to the RECEIVER/SPEAKER to play;
  • the radio frequency transceiver circuit is configured to send a data signal sent by the main control module, and is further configured to demodulate the signal received from the antenna and send the signal to the main control module;
  • the WAPI module of the calling terminal is configured to send a WAPI link to the called terminal, and carry the identifier of the terminal, such as a Media Access Control (MAC) address, and is also used for receiving the response signal.
  • MAC Media Access Control
  • the WAPI module of the calling terminal is also used to complete the WAPI link establishment and directly communicate with the called terminal through the established WAPI link, that is, the received encoded data signal is sent to the called terminal through the established WAPI link, and the slave terminal will The data signal received by the antenna is demodulated and sent to the main control module.
  • the WAPI module of the calling terminal can also be used to determine whether a response signal is received within a preset time after sending a WAPI link establishment request, and if not, the WAPI link establishment request is sent again until the number of times the WAPI link establishment request is sent reaches a preset. value.
  • the WAPI module of the called terminal is configured to send the received WAPI link establishment request to the main control module when being opened, and also to return a response signal to the calling terminal after receiving the notification of the sending response of the main control module, where the terminal is carried
  • the identity if it can be a MAC address
  • the WAPI module of the called terminal is also used for the WAPI link establishment to directly communicate with the calling terminal through the established WAPI link, that is, the received encoded data signal is sent to the calling terminal through the established WAPI link, and the The data signal received by the antenna is demodulated and sent to the main control module.
  • the sound output part (RECEIVER/SPEAKER) is used to receive the decoded signal sent by the main control module and play the voice;
  • the sound input section (MIC) is used to sample the voice signal and transmit the converted electrical signal to the master module.
  • This embodiment provides a method for implementing direct communication between WAPI terminals. As shown in FIG. 2, the method includes:
  • Step 201 The calling terminal sends a WAPI link establishment request to the called terminal, where the request message carries the identifier of the calling terminal (such as a MAC address);
  • Step 202 After receiving the request message, the called terminal compares with the friendly user stored locally to determine whether it is a friendly user, if yes, step 203 is performed; otherwise, step 206 is performed; Step 203: The called terminal sends a response signal to the calling terminal, and carries the identifier of the called terminal (such as a MAC address);
  • Step 204 The calling terminal receives the response signal, and determines whether the response signal is legal. If it is legal, step 205 is performed; otherwise, step 210 is performed;
  • the calling terminal determines whether the identifier carried in the response signal is the identifier of the called terminal, and if so, it is legal, otherwise it is illegal.
  • Step 205 Both terminals start to establish a WAPI link and establish an available WAPI communication link.
  • the WAPI link establishment process includes synchronization, rate convention, verification, and the like.
  • Step 206 The calling terminal and the called terminal start direct communication through the established WAPI link.
  • the called terminal can prompt the owner by voice, vibration or display, and a friendly user is calling.
  • the voice and other signals are transmitted transparently through this link to achieve the purpose of direct communication between the two parties.
  • Step 207 The called terminal determines whether there is a command to manually close the WAPI module, if yes, step 208 is performed, otherwise step 209 is performed;
  • Step 208 directly turn off the WAPI module
  • Step 209 The called terminal continues to listen for external requests.
  • Step 210 Discard the response signal and continue to monitor the response signal.
  • the calling terminal may further set a timer for determining whether a response signal is received within a preset time (for example, 3 seconds), and if the response signal of the called terminal is not received within a preset time, the connection request is sent again. , until the number of connection requests sent (such as 3 times) reaches the preset value. If the number of transmissions reaches the preset value and there is no response, the other party is prompted to have no response. At this time, the called party may not enable the WAPI function. The calling terminal may notify the called party to open the WAPI function by sending a short message, etc., and then send the request again, waiting. Respond.
  • a preset time for example, 3 seconds
  • the called terminal may be that the user actively opens the WAPI module, or may open the WAPI module after receiving the request message of the mobile terminal A;
  • the present invention establishes a link from a starting point to a point through a WAPI call flow.
  • the WAPI terminal of the invention can use two communication modes, the front end processing of the signal is the same, that is, the transceiver circuit part is different, one is by the general radio frequency transceiver circuit, one is by the WAPI module; when using the WAPI module, the main The processor switches the data channel to the WAPI module, uses the established link to communicate in real time, achieves the purpose of free communication, and is not affected by conditions such as the wireless base station and hotspot layout.
  • the invention also provides a terminal, comprising: a WAPI module,
  • the WAPI module is set to:
  • the WAPI link establishment request is sent to the called terminal, and the WAPI link is established with the called terminal; the WAPI link establishment is completed and the called terminal directly communicates through the established WAPI link; as well as,
  • a WAPI link is established with the calling terminal after receiving the WAPI link establishment request; the WAPI link establishment is completed and the direct communication is performed directly with the calling terminal through the established WAPI link.
  • the terminal further includes a main control module,
  • the WAPI module is configured to: when the terminal is used as a calling terminal, the WAPI link establishment request carries an identifier of the calling terminal;
  • the WAPI module is also configured to:
  • the received WAPI link establishment request is sent to the main control module; after receiving the notification of the return response sent by the main control module, the response signal is returned to the calling terminal, and the response signal carries The identity of the terminal;
  • the received response signal returned by the called terminal is sent to the main control module;
  • the main control module is set to:
  • the terminal When the terminal acts as the called terminal, after receiving the WAPI link establishment request, it determines whether the request is sent by the friendly user according to the identifier of the calling terminal, and if yes, notifies the WAPI module to return a response; when the terminal acts as the calling terminal When the response signal is received, it is determined whether the response signal is legal. If it is legal, the WAPI module is notified to establish a WAPI link with the called terminal.
  • the main control module is further configured to:
  • the encoded data signal is sent to the WAPI module; and the demodulated data signal of the WAPI module is received and decoded;
  • the WAPI module is also configured to:
  • the received encoded data signal is sent to the called terminal through the established WAPI link;
  • the received encoded data signal is sent to the calling terminal through the established WAPI link.
  • the WAPI module is further configured to: when the terminal is a calling terminal, after sending a WAPI link establishment request, determine whether a response signal is received within a preset time, and if not received, send a WAPI link establishment request again, until sending The number of WAPI link setup requests reaches the preset value.
  • the identifier of the terminal is a medium access control (MAC) address of the terminal.
  • MAC medium access control
  • the present invention utilizes a WAPI module provided with a mobile terminal to establish a point-to-point link to transmit information such as voice.
  • This implementation is not through the wireless carrier's network, so it does not incur costs, and is not affected by the wireless operator's wireless signal coverage.
  • the invention also does not require the participation of the WAPI hotspot, which is a point-to-point connection between two WAPI devices, rather than connecting through a network such as INTERNET, and therefore does not require the participation of the WAPI hotspot, and thus is not limited by the narrow layout of the hotspot. .
  • it does not increase the hardware cost, and is very convenient in use. It requires simple menu operation, and even can use the defined buttons and push-to-talk, so its prospect is very promising.

Description

一种在 WAPI终端间通信的系统、 方法及终端
技术领域
本发明涉及无线局域网鉴别和保密基础结构 （ Wireless LAN Authentication and Privacy Infrastructure, WAPI ) , 具体涉及一种在 WAPI终 端间实现直接通信的系统、 方法及终端。
背景技术
移动终端作为一种实时通讯工具， 被广泛使用， 为满足不同场合、 各种 用户群体的使用需求， 各家运营商开发出各式各样的业务， 它们的共同点是， 使用营运商的网络， 运营商的业务， 需要收费。 比如在出差、 旅游等情况下， 结伴而行的伙伴需要相互联系时， 如果使用手机直接通话， 话费就显得偏高。 在同一栋办公大楼， 不同的公司， 没有直通的分机， 只能用固话或者手机联 系， 都要付费。 另外， 在山区、 郊外等移动信号差， 甚至没有信号的地方， 手机等无法实现其实时通讯的功能。
发明内容
本发明要解决的技术问题是提供一种在 WAPI终端间通信的系统及方 法， 可实现 WAPI终端间的直接通信， 实现简便， 且能降低通信费用。
为了解决上述问题， 本发明提供了一种在 WAPI终端间通信的方法， 包 括： 具有 WAPI功能的主叫终端向具有 WAPI功能的被叫终端发送 WAPI链 接建立请求， 与所述被叫终端建立 WAPI链接， 所述主叫终端与被叫终端通 过建立的 WAPI链路直接进行通信。
所述发送步骤中， 所述主叫终端向被叫终端发送 WAPI链接建立请求时 携带主叫终端的标识；
所述建立 WAPI链接的步骤包括： 被叫终端收到所述 WAPI链接建立请 求后若是友好用户发来的请求则向所述主叫终端返回应答信号， 所述应答信 号中携带被叫终端的标识， 主叫终端判断所述应答信号是否合法， 若合法则 与被叫终端建立 WAPI链接。
主叫终端发送 WAPI链接建立请求后， 该方法还包括： 若主叫终端在预 设时间内未收到被叫终端返回的应答信号，则再次向所述被叫终端发送 WAPI 链接建立请求， 直到发送的 WAPI链接建立请求的次数达到预设值。
所述判断所述应答信号是否合法的步骤是： 主叫终端判断应答信号中携 带的标识是否为所述被叫终端的标识， 若是则合法， 若不是则不合法。
所述主叫终端及被叫终端的标识为终端的介质访问控制 （MAC )地址。 本发明还提供一种在 WAPI终端间通信的系统， 包括主叫终端及被叫终 端；
所述主叫终端及被叫终端分别包括 WAPI模块；
所述主叫终端的 WAPI模块设置为：
向被叫终端发送 WAPI链接建立请求， 并与所述被叫终端建立 WAPI链 接；
WAPI链接建立完成与被叫终端通过建立的 WAPI链路直接进行通信； 所述被叫终端的 WAPI模块设置为：
收到 WAPI链接建立请求后与所述主叫终端建立 WAPI链接；
WAPI链接建立完成与主叫终端通过建立的 WAPI链路直接进行通信。 所述主叫终端的 WAPI模块是设置为： 所述 WAPI链接建立请求携带主 叫终端的标识；
所述主叫终端与被叫终端还包括主控模块；
所述被叫终端的 WAPI模块还设置为：
将接收的 WAPI链接建立请求发送至主控模块；
收到主控模块发来的返回应答的通知后向主叫终端返回应答信号， 所述 应答信号中携带本终端的标识；
所述被叫终端的主控模块设置为： 收到 WAPI链接建立请求后根据所述 主叫终端的标识判断是否为友好用户发来的请求， 若是则通知 WAPI模块返 回应答； 所述主叫终端的 WAPI模块还设置为： 将接收的被叫终端返回的应答信 号发送至主控模块；
所述主叫终端的主控模块设置为： 收到应答信号后判断所述应答信号是 否合法， 若合法则通知 WAPI模块与被叫终端建立 WAPI链接。
所述主叫终端及被叫终端的主控模块还设置为：
当 WAPI链接建立完成后， 将编码后的数据信号发送至 WAPI模块； 以及， 接收 WAPI模块解调后的数据信号， 并进行解码；
所述主叫终端的 WAPI模块还设置为： 将接收的编码后的数据信号通过 建立的 WAPI链路发送至被叫终端；
所述被叫终端的 WAPI模块还设置为： 将接收的编码后的数据信号通过 建立的 WAPI链路发送至主叫终端。
所述主叫终端的 WAPI模块还设置为： 发送 WAPI链接建立请求后判断 预设时间内是否收到应答信号， 若未收到则再次发送 WAPI链接建立请求， 直到发送 WAPI链接建立请求的次数达到预设值。
所述主叫终端及被叫终端的标识为终端的介质访问控制 （ MAC )地址。 本申请还提供了一种终端， 其包括： WAPI模块、
WAPI模块设置为：
当所述 WAPI终端作为主叫终端时， 向被叫终端发送 WAPI链接建立请 求， 并与所述被叫终端建立 WAPI链接； WAPI链接建立完成与被叫终端通 过建立的 WAPI链路直接进行通信； 以及，
当所述 WAPI终端作为被叫终端时， 收到 WAPI链接建立请求后与所述 主叫终端建立 WAPI链接； WAPI链接建立完成与主叫终端通过建立的 WAPI 链路直接进行通信。
所述终端还包括主控模块，
所述 WAPI模块是设置为： 当所述终端作为主叫终端时， 所述 WAPI链 接建立请求携带主叫终端的标识；
所述 WAPI模块还设置为：
当所述终端作为被叫终端时， 将接收的 WAPI链接建立请求发送至主控 模块； 收到主控模块发来的返回应答的通知后向主叫终端返回应答信号， 所 述应答信号中携带本终端的标识；
当所述终端作为主叫终端时， 将接收的被叫终端返回的应答信号发送至 主控模块；
所述主控模块设置为：
当所述终端作为被叫终端时， 收到 WAPI链接建立请求后， 根据主叫终 端的标识判断是否为友好用户发来的请求，若是则通知 WAPI模块返回应答； 当所述终端作为主叫终端时， 收到所述应答信号后， 判断所述应答信号 是否合法， 若合法则通知 WAPI模块与被叫终端建立 WAPI链接。
所述主控模块还设置为：
当 WAPI链接建立完成后， 将编码后的数据信号发送至 WAPI模块； 以及， 接收 WAPI模块解调后的数据信号， 并进行解码；
所述 WAPI模块还设置为：
当所述终端为主叫终端时，将接收的编码后的数据信号通过建立的 WAPI 链路发送至被叫终端；
当所述终端为被叫终端时，将接收的编码后的数据信号通过建立的 WAPI 链路发送至主叫终端。
所述 WAPI模块还设置为： 当所述终端为主叫终端时， 发送 WAPI链接 建立请求后，判断预设时间内是否收到应答信号，若未收到则再次发送 WAPI 链接建立请求， 直到发送 WAPI链接建立请求的次数达到预设值。
所述终端的标识为终端的介质访问控制 （MAC )地址。
综上所述， 本发明利用移动终端带有的 WAPI模块， 建立点对点的链接， 来传送语音等信息。 这种实现方式是不通过无线运营商的网络， 因此不会产 生费用， 而且不受无线运营商的无线信号覆盖率的影响， 只要在 WAPI的使 用范围内， 就能实现实时通讯。 本发明也不需要 WAPI热点的参与， 它是两 个 WAPI设备间点对点的连接，而不是通过 INTERNET等网络来实现连接的， 因此也不需要 WAPI热点的参与， 因此不受热点布局范围窄的限制。 而且不 增加硬件成本， 在使用方式上十分的便捷， 只需简单的菜单操作， 甚至可以 使用定义好的按键， 一键通， 因此其前景十分看好。 附图概述
图 1是本发明 WAPI终端结构示意图；
图 2是本发明方法链接建立及直接通信的流程图。
本发明的较佳实施方式
本发明提供一种在 WAPI终端间实现直接通信的系统及方法，具有 WAPI 功能的主叫终端向与具有 WAPI功能的被叫终端发送 WAPI链接建立请求， 并与被叫终端建立 WAPI链接， 之后主叫终端与被叫终端通过建立的 WAPI 链路直接进行通信。
本实施例提供一种在 WAPI终端间实现直接通信的系统， 包括主叫终端 及被叫终端；
如图 1所示， 主叫终端及被叫终端均包括主控模块、 射频收发电路（比 如手机射频芯片组成的电路） 、 WAPI模块、 天线、 显示部分、 键盘、 声音 输出部分（ RECEIVER/SPEAKER )声音输入部分（ MIC ) ；
主叫终端的主控模块， 用于收到 WAPI模块发来的应答信号后判断该应 答信号是否合法， 即判断应答信号中的标识是否为被叫终端的标识， 若是则 通知 WAPI模块与被叫终端建立 WAPI链接， 否则丟弃该应答信号。
被叫终端的主控模块， 用于收到 WAPI链接建立请求后判断该请求是否 为友好用户发来的， 若是则通知 WAPI模块返回应答；
主叫终端及被叫终端的主控模块还用于对接收的数据信号进行音频编 码、 信道编码等操作， 还用于当用户选择 WAPI直通功能时将编码后的信号 发送至 WAPI模块， 以及当用户未选择 WAPI直通功能时将编码后的信号发 送至射频收发电路； 还用于收到射频收发电路或是 WAPI模块发来的信号后 进行解码 , 并发送至 RECEIVER/SPEAKER播放；
射频收发电路， 用于发送主控模块发来的数据信号， 还用于将从天线接 收的信号解调后发送至主控模块； 主叫终端的 WAPI模块， 用于开启后向被叫终端发送 WAPI链接建立， 其中携带本终端的标识， 如可以是介质访问控制 （Media Access Control, MAC )地址， 还用于将接收的应答信号发送至主控模块； 以及收到 WAPI链 接建立的通知后开始与被叫终端进行建链， 即同步、 速率约定、 校验等， 建 立起能实时传送语音信息的 WAPI链路。
主叫终端的 WAPI模块还用于 WAPI链接建立完成与被叫终端通过建立 的 WAPI链路直接进行通信，即将接收的编码后的数据信号通过建立的 WAPI 链路发送至被叫终端，以及将从天线接收的数据信号解调后发送至主控模块。
主叫终端的 WAPI模块还可以用于发送 WAPI链接建立请求后判断预设 时间内是否收到应答信号， 若未收到则再次发送 WAPI链接建立请求， 直到 发送 WAPI链接建立请求的次数达到预设值。
被叫终端的 WAPI模块， 用于开启时将接收的 WAPI链接建立请求发送 至主控模块， 还用于收到主控模块的发送应答的通知后向主叫终端返回应答 信号， 其中携带本终端的标识（如可以是 MAC地址） ；
被叫终端的 WAPI模块还用于 WAPI链接建立完成与主叫终端通过建立 的 WAPI链路直接进行通信，即将接收的编码后的数据信号通过建立的 WAPI 链路发送至主叫终端，以及将从天线接收的数据信号解调后发送至主控模块。
声音输出部分（RECEIVER/SPEAKER ) , 用于收到主控模块发来的解码 后的信号后播放语音；
声音输入部分（MIC )用于釆样语音信号， 以及将转换成的电信号发送 给主控模块。
本实施例提供一种在 WAPI终端间实现直接通信的方法， 如图 2所示， 包括：
步骤 201 : 主叫终端向被叫终端发送 WAPI链接建立请求， 请求消息中 携带主叫终端的标识（如可以是 MAC地址） ；
步骤 202: 被叫终端在收到请求消息后， 与存储在本地的友好用户进行 对比， 判断是否为友好用户， 是则执行步骤 203 , 否则执行步骤 206; 步骤 203: 被叫终端向主叫终端发送应答信号， 并携带被叫终端的标识 (如可以是 MAC地址） ；
步骤 204: 主叫终端收到应答信号， 判断该应答信号是否合法， 若合法 则执行步骤 205, 否则执行步骤 210;
判断是否合法是指， 主叫终端判断应答信号中携带的标识是否为被叫终 端的标识， 若是则合法， 否则不合法。
步骤 205: 双方终端开始建立 WAPI链接， 建立起可用的 WAPI通讯链 路。
WAPI链接建立过程包括同步、 速率约定、 校验等。
步骤 206: 主叫终端与被叫终端开始通过建立的 WAPI链路实现直接通 信。
链路建立完成之后， 被叫终端可通过声音、 振动或显示来提示机主， 有 友好用户在呼叫。 用户选择接听时， 语音等信号就通过这个链路透明传输， 达到双方直接通讯的目的。
步骤 207: 被叫终端判断是否有手动关 WAPI模块的命令， 有则执行步 骤 208, 否则执行步骤 209;
步骤 208: 直接关掉 WAPI模块；
步骤 209: 被叫终端继续监听外部请求。
步骤 210: 丟弃该应答信号， 继续监听应答信号。
主叫终端还可以设置一定时器， 用于判断在预设时间内 （如 3秒）是否 收到应答信号， 若在预设时间内未收到被叫终端的应答信号则再次发送建链 请求， 直到发送的建链请求次数（如 3次）达到预设值。 若发送次数达到预 设值仍无应答， 就提示对方无应答， 此时也许被叫没有开启 WAPI功能， 主 叫终端可以通过发短信等方式来通知被叫开启 WAPI功能， 然后再次发送请 求， 等待回应。
被叫终端可以是用户主动开启 WAPI模块， 还可以是收到移动终端 A的 请求短信之后开启 WAPI模块； 本发明通过 WAPI呼叫流程， 建立起点对点的链接。 本发明的 WAPI终 端可以釆用两种通讯方式， 信号的前端处理都是一样， 就是在收发电路部分 不一样，一个是靠一般射频收发电路，一个是通过 WAPI模块； 当使用 WAPI 模块时， 主处理器把数据通道切换到 WAPI模块， 用建立的链路来实时通讯， 达到免费通讯的目的， 而且不受无线基站， 热点布局等条件影响。
本发明还提供了一种终端， 其包括： WAPI模块、
WAPI模块设置为：
当所述 WAPI终端作为主叫终端时， 向被叫终端发送 WAPI链接建立请 求， 并与所述被叫终端建立 WAPI链接； WAPI链接建立完成与被叫终端通 过建立的 WAPI链路直接进行通信； 以及，
当所述 WAPI终端作为被叫终端时， 收到 WAPI链接建立请求后与所述 主叫终端建立 WAPI链接； WAPI链接建立完成与主叫终端通过建立的 WAPI 链路直接进行通信。
所述终端还包括主控模块，
所述 WAPI模块是设置为： 当所述终端作为主叫终端时， 所述 WAPI链 接建立请求携带主叫终端的标识；
所述 WAPI模块还设置为：
当所述终端作为被叫终端时， 将接收的 WAPI链接建立请求发送至主控 模块； 收到主控模块发来的返回应答的通知后向主叫终端返回应答信号， 所 述应答信号中携带本终端的标识；
当所述终端作为主叫终端时， 将接收的被叫终端返回的应答信号发送至 主控模块；
所述主控模块设置为：
当所述终端作为被叫终端时， 收到 WAPI链接建立请求后， 根据主叫终 端的标识判断是否为友好用户发来的请求，若是则通知 WAPI模块返回应答； 当所述终端作为主叫终端时， 收到所述应答信号后， 判断所述应答信号 是否合法， 若合法则通知 WAPI模块与被叫终端建立 WAPI链接。 所述主控模块还设置为：
当 WAPI链接建立完成后， 将编码后的数据信号发送至 WAPI模块； 以及， 接收 WAPI模块解调后的数据信号， 并进行解码；
所述 WAPI模块还设置为：
当所述终端为主叫终端时，将接收的编码后的数据信号通过建立的 WAPI 链路发送至被叫终端；
当所述终端为被叫终端时，将接收的编码后的数据信号通过建立的 WAPI 链路发送至主叫终端。
所述 WAPI模块还设置为： 当所述终端为主叫终端时， 发送 WAPI链接 建立请求后，判断预设时间内是否收到应答信号，若未收到则再次发送 WAPI 链接建立请求， 直到发送 WAPI链接建立请求的次数达到预设值。
所述终端的标识为终端的介质访问控制 （MAC )地址。
工业实用性
本发明利用移动终端带有的 WAPI模块， 建立点对点的链接， 来传送语 音等信息。 这种实现方式是不通过无线运营商的网络， 因此不会产生费用， 而且不受无线运营商的无线信号覆盖率的影响，只要在 WAPI的使用范围内， 就能实现实时通讯。 本发明也不需要 WAPI热点的参与， 它是两个 WAPI设 备间点对点的连接， 而不是通过 INTERNET等网络来实现连接的， 因此也不 需要 WAPI热点的参与， 因此不受热点布局范围窄的限制。 而且不增加硬件 成本， 在使用方式上十分的便捷， 只需简单的菜单操作， 甚至可以使用定义 好的按键， 一键通， 因此其前景十分看好。

Claims

权 利 要 求 书
1、 一种在 WAPI终端间通信的方法， 包括：
具有 WAPI功能的主叫终端向具有 WAPI功能的被叫终端发送 WAPI链 接建立请求， 与所述被叫终端建立 WAPI链接， 所述主叫终端与被叫终端通 过建立的 WAPI链路直接进行通信。
2、 如权利要求 1所述的方法， 其中，
所述发送步骤中， 所述主叫终端向被叫终端发送 WAPI链接建立请求时 携带主叫终端的标识；
所述建立 WAPI链接的步骤包括： 被叫终端收到所述 WAPI链接建立请 求后， 若是友好用户发来的请求， 则向所述主叫终端返回应答信号， 所述应 答信号中携带被叫终端的标识， 主叫终端判断所述应答信号是否合法， 若合 法则与被叫终端建立 WAPI链接。
3、 如权利要求 2所述的方法， 其中，
主叫终端发送 WAPI链接建立请求后， 该方法还包括：
若主叫终端在预设时间内未收到被叫终端返回的应答信号， 则再次向所 述被叫终端发送 WAPI链接建立请求， 直到发送的 WAPI链接建立请求的次 数达到预设值。
4、 如权利要求 2所述的方法， 其中，
所述判断所述应答信号是否合法的步骤是： 主叫终端判断应答信号中携 带的标识是否为所述被叫终端的标识， 若是则合法， 若不是则不合法。
5、 如权利要求 2或 4所述的方法， 其中，
所述主叫终端及被叫终端的标识为终端的介质访问控制 （MAC )地址。
6、 一种在 WAPI终端间通信的系统， 包括主叫终端及被叫终端； 所述主叫终端及被叫终端分别包括 WAPI模块；
所述主叫终端的 WAPI模块设置为：
向被叫终端发送 WAPI链接建立请求， 并与所述被叫终端建立 WAPI链 接；
WAPI链接建立完成与被叫终端通过建立的 WAPI链路直接进行通信； 所述被叫终端的 WAPI模块设置为：
收到 WAPI链接建立请求后与所述主叫终端建立 WAPI链接；
WAPI链接建立完成与主叫终端通过建立的 WAPI链路直接进行通信。
7、 如权利要求 6所述的系统， 其中，
所述主叫终端的 WAPI模块是设置为： 所述 WAPI链接建立请求携带主 叫终端的标识；
所述主叫终端与被叫终端还分别包括主控模块；
所述被叫终端的 WAPI模块还设置为：
将接收的 WAPI链接建立请求发送至主控模块；
收到主控模块发来的返回应答的通知后向主叫终端返回应答信号， 所述 应答信号中携带本终端的标识；
所述被叫终端的主控模块设置为： 收到 WAPI链接建立请求后根据所述 主叫终端的标识判断是否为友好用户发来的请求， 若是则通知 WAPI模块返 回应答；
所述主叫终端的 WAPI模块还设置为： 将接收的被叫终端返回的应答信 号发送至主控模块；
所述主叫终端的主控模块设置为： 收到应答信号后判断所述应答信号是 否合法， 若合法则通知 WAPI模块与被叫终端建立 WAPI链接。
8、 如权利要求 7所述的系统， 其中，
所述主叫终端及被叫终端的主控模块还设置为：
当 WAPI链接建立完成后， 将编码后的数据信号发送至 WAPI模块； 以及， 接收 WAPI模块解调后的数据信号， 并进行解码；
所述主叫终端的 WAPI模块还设置为： 将接收的编码后的数据信号通过 建立的 WAPI链路发送至被叫终端；
所述被叫终端的 WAPI模块还设置为： 将接收的编码后的数据信号通过 建立的 WAPI链路发送至主叫终端。
9、 如权利要求 7所述的系统， 其中，
所述主叫终端的 WAPI模块还设置为： 发送 WAPI链接建立请求后判断 预设时间内是否收到应答信号， 若未收到则再次发送 WAPI链接建立请求， 直到发送 WAPI链接建立请求的次数达到预设值。
10、 如权利要求 7所述的系统， 其中，
所述主叫终端及被叫终端的标识为终端的介质访问控制 （MAC )地址。
11、 一种终端， 其包括： WAPI模块、
WAPI模块设置为：
当所述 WAPI终端作为主叫终端时， 向被叫终端发送 WAPI链接建立请 求， 并与所述被叫终端建立 WAPI链接； WAPI链接建立完成与被叫终端通 过建立的 WAPI链路直接进行通信； 以及，
当所述 WAPI终端作为被叫终端时， 收到 WAPI链接建立请求后与所述 主叫终端建立 WAPI链接； WAPI链接建立完成与主叫终端通过建立的 WAPI 链路直接进行通信。
12、 如权利要求 11所述的终端， 其中， 所述终端还包括主控模块， 所述 WAPI模块是设置为： 当所述终端作为主叫终端时， 所述 WAPI链 接建立请求携带主叫终端的标识；
所述 WAPI模块还设置为：
当所述终端作为被叫终端时， 将接收的 WAPI链接建立请求发送至主控 模块； 收到主控模块发来的返回应答的通知后向主叫终端返回应答信号， 所 述应答信号中携带本终端的标识；
当所述终端作为主叫终端时， 将接收的被叫终端返回的应答信号发送至 主控模块；
所述主控模块设置为：
当所述终端作为被叫终端时， 收到 WAPI链接建立请求后， 根据主叫终 端的标识判断是否为友好用户发来的请求，若是则通知 WAPI模块返回应答； 当所述终端作为主叫终端时， 收到所述应答信号后， 判断所述应答信号 是否合法， 若合法则通知 WAPI模块与被叫终端建立 WAPI链接。
13、 如权利要求 12所述的终端， 其中，
所述主控模块还设置为：
当 WAPI链接建立完成后， 将编码后的数据信号发送至 WAPI模块； 以及， 接收 WAPI模块解调后的数据信号， 并进行解码；
所述 WAPI模块还设置为：
当所述终端为主叫终端时，将接收的编码后的数据信号通过建立的 WAPI 链路发送至被叫终端；
当所述终端为被叫终端时，将接收的编码后的数据信号通过建立的 WAPI 链路发送至主叫终端。
14、 如权利要求 12所述的终端， 其中，
所述 WAPI模块还设置为： 当所述终端为主叫终端时， 发送 WAPI链接 建立请求后，判断预设时间内是否收到应答信号，若未收到则再次发送 WAPI 链接建立请求， 直到发送 WAPI链接建立请求的次数达到预设值。
15、 如权利要求 11所述的终端， 其中，
所述终端的标识为终端的介质访问控制 （MAC )地址。
PCT/CN2010/071951 2009-09-03 2010-04-21 一种在wapi终端间通信的系统、方法及终端 WO2011026329A1 (zh)

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