WO2015103848A1 - 一种实现Wifi访问网络的方法、系统及终端 - Google Patents

一种实现Wifi访问网络的方法、系统及终端 Download PDF

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Publication number
WO2015103848A1
WO2015103848A1 PCT/CN2014/079450 CN2014079450W WO2015103848A1 WO 2015103848 A1 WO2015103848 A1 WO 2015103848A1 CN 2014079450 W CN2014079450 W CN 2014079450W WO 2015103848 A1 WO2015103848 A1 WO 2015103848A1
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WO
WIPO (PCT)
Prior art keywords
frame
data
wifi
extended
network
Prior art date
Application number
PCT/CN2014/079450
Other languages
English (en)
French (fr)
Inventor
杨江滋
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 US15/110,102 priority Critical patent/US9860931B2/en
Priority to JP2016545327A priority patent/JP6339207B2/ja
Priority to EP14878275.8A priority patent/EP3096563B1/en
Publication of WO2015103848A1 publication Critical patent/WO2015103848A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/16Discovering, processing access restriction or access information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/18Selecting a network or a communication service
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/14Direct-mode setup
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10Small scale networks; Flat hierarchical networks
    • H04W84/12WLAN [Wireless Local Area Networks]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • H04W88/04Terminal devices adapted for relaying to or from another terminal or user

Definitions

  • the present invention relates to the technical field of implementing a wireless fidelity (Wifi) access network, and more particularly to a method, system, access terminal, intermediate terminal and terminal for implementing a Wifi access network.
  • Wi wireless fidelity
  • Mobile terminals such as smartphones, tablets and e-readers are typical representatives of emerging electronic products, and are attracting more and more people's attention and welcome.
  • Wifi technology is a brand of wireless network communication technology based on the IEEE 802.11 series of standards. The purpose is to improve the interoperability of wireless networks based on the IEEE 802.11 standard for mobile terminals. It is a wireless LAN technology based on the IEEE802.i l standard. Wifi has become one of the most important functions in mobile terminal systems.
  • the mobile terminal generally supports three working modes of Wifi-Station, Wifi-Hotspot and Wifi-Direct as Wifi terminals that access the network through Wifi.
  • the Wifi-Station mode is the most basic mode of the terminal networking, and is a mode in which the client connects to the wireless router in the entire local area network to implement network access;
  • the Wifi-Hotspot mode is a work when the Wifi terminal is used as a server in the local area network.
  • the Wifi terminal in Wifi-Hotspot mode acts as a wireless router in the network to provide network access to other Wifi terminals;
  • Wifi-Direct is a new standard introduced in recent years, allowing Wifi terminals to directly go without using a wireless router. Realize the connection between terminals and the transmission of data information.
  • the two parties negotiate to form a group, one is the group owner (GO, Group Owner) and the other is the group consumer (GC, Group Customer).
  • the Wifi protocol contains three main types of frames: data frames, control frames, and management frames.
  • the data frame is like the Hummer of the Wifi protocol, which is responsible for transferring data between workstations.
  • Data frames may vary due to the network environment in which they are located.
  • Control frames are usually used in conjunction with data frames, responsible for area clearing, channel acquisition, and carrier sense maintenance, and are positive when receiving data. Face-to-face response to achieve reliability of data transfer between workstations.
  • Management frames are used to supervise joining or exiting the wireless network and handling the transfer of connections between base stations.
  • the technical problem to be solved by the embodiments of the present invention is to provide a method, system and terminal for implementing a Wifi access network, so as to prevent the Wifi terminal from being able to access the local area network through the wireless router for network access, thereby improving the effectiveness of network access.
  • a method for implementing Wifi network access including:
  • the access terminal and the intermediate terminal respectively open respective Wifi Station mode and Wifi Direct mode, and when the intermediate terminal receives the extended data frame for indicating that the access terminal accesses the network, extracting valid data of the access network;
  • the intermediate terminal carries the extracted valid data in an extended Wifi frame and sends the data to the wireless router;
  • the wireless router parses the extended Wifi frame, and sends the parsed valid data to the network, and obtains response data of the network;
  • the intermediate terminal constructs the extended Wifi response frame as a response extended data frame, and feeds back to the access terminal, and the access terminal parses the response extended data frame to complete network access.
  • the method further includes: When the access terminal sends the Internet access command CMD ONLINE to indicate that the network cannot be accessed, the extended data frame is constructed to implement a data frame that distinguishes the direct interaction between the access terminal and the intermediate terminal, and the valid data of the visited network is sent to The intermediate terminal;
  • the extended data frame is: the frame body
  • the Oxbc item attribute in the Framebody is 0x01; the valid data is: data Sub and CMD_ONLINE, except the data Sub and
  • the step of the intermediate terminal carrying the extracted valid data in the extended Wifi frame includes:
  • the intermediate terminal constructs an extended Wifi frame; in the extended Wifi frame, the frame type TYPE of the frame control Frame Control is 11, the data type Subtype is the first 4 bits of the valid data, and the frame body Framebody is the remaining of the valid data. Data, except for the frame control Frame Control, data other than the data type Subtype and the frame body Framebody are filled according to the protocol.
  • a system for implementing a Wifi access network comprising: a wireless router, at least one access terminal, and at least one intermediate terminal, wherein the access terminal and the intermediate terminal are in a Wifi Station and a Wifi Direct mode;
  • the access terminal is configured to: send an extended data frame to the intermediate terminal; receive a response extended data frame sent by the intermediate terminal, and parse the response extended data frame;
  • the intermediate terminal is configured to: when receiving the extended data frame for indicating that the access terminal accesses the network, extract valid data of the access network; carry the extracted valid data in the extended Wifi frame, and Sending the extended Wifi frame to the wireless router; constructing the extended Wifi response frame as the response extended data frame, and feeding back to the access terminal;
  • the wireless router is configured to: parse the extended Wifi frame, and send the parsed valid data to the network to obtain response data of the network; and carry the obtained response data in the extended Wifi response frame. Return to the intermediate terminal.
  • the access terminal is further configured to: when the sending network command CMD_ONLINE indicates that the network cannot be accessed, constructing the extended data frame;
  • the extended data frame is: the Oxbc item attribute in the frame body Framebody is 0x01;
  • the valid data is data Sub and CMD_ONLINE, and other bits except data Sub and CMD ONLINE are filled according to the Wifi Direct standard format.
  • the intermediate terminal is configured to carry the extracted valid data in an extended Wifi frame as follows:
  • the intermediate terminal constructs an extended Wifi frame; in the extended Wifi frame, the frame control frame
  • the TYPE of the frame type in Control is 11, the data type Subtype is the first 4 bits of the valid data, and the frame body Framebody is the remaining data of the valid data, except for the frame control Frame Control, the data type Subtype and the frame body Framebody other data according to The protocol is populated.
  • a terminal for implementing a Wifi access network comprising: a packaging unit, a sending unit, and a receiving unit; wherein
  • the encapsulation unit is configured to: send a network access command CMD ONLINE indicates that when the network cannot be accessed, an extended data frame including valid data for accessing the network is constructed;
  • the sending unit is configured to: send the extended data frame to the intermediate terminal through a P2P0 interface;
  • the receiving unit is configured to: receive the response data that the intermediate terminal accesses the network feedback according to the valid data of the extended data frame.
  • the receiving unit is further configured to: receive an access terminal to send an extended data frame that is configured when the CMD_ONLINE cannot access the network and includes valid data for accessing the network; and receive an extended wifi response frame sent by the wireless route;
  • the encapsulating unit is configured to: parse the extended data frame, obtain the valid information of the access network by parsing; construct an extended Wifi frame, fill the valid information into the extended Wifi frame; and construct extended response data a frame, filling the extended Wifi response frame into the extended response data frame;
  • the sending unit is further configured to: send the extended Wifi frame constructed by the encapsulating unit to, optionally, the encapsulating unit is configured to: send CMD — ONLINE indicates that when the network cannot be accessed, the frame body is constructed in the frame body The Oxbc item attribute is 0x01 and the valid data is data Sub. And CMD ONLINE,
  • the package unit is configured to:
  • Construct frame control Frame Control has a TYPE of 11 for the frame type, the data type Subtype is the first 4 digits of the valid data, and the Framebody is the remaining data of the valid data, except for the frame control Frame Control, the data type Subtype and the frame body Framebody.
  • a terminal for implementing a Wifi access network comprising: a receiving unit, a packaging unit, and a sending unit;
  • the receiving unit is configured to: receive an access terminal to send an online command CMD_ONLINE indicates an extended data frame constructed when the network cannot be accessed, and includes valid data for accessing the network; and an extended wifi response frame sent by the wireless router;
  • the encapsulating unit is configured to: parse the extended data frame, obtain the valid information of the access network by parsing; construct an extended Wifi frame, fill the valid information into the extended Wifi frame; and construct extended response data a frame, filling the extended Wifi response frame into the extended response data frame;
  • the sending unit is configured to: send the extended Wifi frame constructed by the encapsulating unit to the technical solution without the foregoing, and the access terminal and the intermediate terminal respectively open respective Wifi Station mode and Wifi Direct mode, when the intermediate terminal receives
  • the valid data of the access network is extracted and carried in the extended Wifi frame and sent to the wireless route; the wireless route parses the extended Wifi frame, and sends valid data to the network to obtain the response data.
  • the intermediate terminal constructs the extended Wifi response frame as the response extended data frame and feeds back to the access terminal, and the access terminal parses the response extended data frame to complete the network access.
  • the data of the access terminal that cannot access the Wifi network is sent to the wireless router through the intermediate terminal by constructing the extended Wifi frame and the extended data frame, thereby avoiding the situation that the Wifi terminal cannot join the local area network through the wireless router for network access. The occurrence of this, thereby improving the effectiveness of network access.
  • FIG. 1 is a flowchart of a method for implementing a Wifi access network according to an embodiment of the present invention
  • FIG. 2 is a structural block diagram of a system for implementing a Wifi access network according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a terminal for implementing a Wifi access network according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of implementing Wifi according to an embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of a terminal for implementing a Wifi access network according to an embodiment of the present invention
  • FIG. 6 is a flowchart of a method for implementing a Wifi access network according to an embodiment of the present invention
  • FIG. 7 is a flowchart of a method for implementing a Wifi access network according to Embodiment 2 of the present invention
  • FIG. 8 is a flowchart of a method for implementing a Wifi access network according to Embodiment 3 of the present invention
  • An embodiment of the present invention provides a method for implementing Wifi network access, including:
  • the access terminal and the intermediate terminal respectively open respective Wifi Station mode and Wifi Direct mode, and when the intermediate terminal receives the extended data frame for indicating that the access terminal accesses the network, extracts valid data of the access network;
  • the intermediate terminal carries the extracted valid data in the extended Wifi frame and sends it to the wireless route; the wireless router parses the extended Wifi frame to send valid data to the network to obtain the response data;
  • the wireless router carries the obtained response data in the extended Wifi response frame and returns it to the intermediate terminal. After the intermediate terminal constructs the extended Wifi response frame as the response extended data frame, it feeds back to the access terminal, and the access terminal parses the response extended data frame to complete the network access.
  • the method further includes: when the access terminal sends the Internet access command CMD ONLINE, the extended data frame is configured to implement a data frame that distinguishes the direct interaction between the access terminal and the intermediate terminal, and sends valid data of the visited network.
  • the intermediate terminal To the intermediate terminal;
  • the extended data frame is: Frame body
  • the Oxbc item attribute is 0x01 in Framebody
  • the valid data is: Data Sub and CMD_ONLINE, other bits are filled according to the Wifi Direct standard format.
  • the intermediate terminal carries the extracted valid data in the extended Wifi frame: the intermediate terminal constructs an extended Wifi frame; wherein, the Frame Control has a frame type TYPE of 11 and the data type Subtype is the first 4 of the valid data. Bit, Framebody is the remaining data of valid data, and other data is filled with Wifi frames according to the protocol.
  • the embodiment of the present application further provides a system for implementing a Wifi access network, including: at least one access terminal and at least one intermediate terminal and a wireless router; setting the access terminal and the intermediate terminal in a Wifi Station and a Wifi Direct mode; ,
  • the access terminal is configured to: send the extended data frame to the intermediate terminal; receive the response extended data frame sent by the intermediate terminal and parse;
  • the intermediate terminal is configured to: when receiving an extended data frame for indicating that the access terminal accesses the network, extract valid data of the access network; carry the extracted valid data in the extended Wifi frame and send the data to the wireless route; and expand the Wifi response frame After being constructed as a response to the extended data frame, it is fed back to the access terminal;
  • the wireless route is set to: parse the extended Wifi frame to send valid data to the network to obtain response data; and carry the obtained response data in the extended Wifi response frame and return it to the intermediate terminal.
  • the access terminal is further configured to: when the network access command CMD_ONLINE cannot access the network, construct an extended data frame;
  • the extended data frame is: Frame body
  • the Oxbc item attribute is 0x01 in Framebody, and the valid data is data.
  • carrying the extracted valid data in the extended Wifi frame is:
  • the intermediate terminal constructs an extended Wifi frame; wherein, the frame controls the frame type in the Frame Control
  • the TYPE is 11
  • the data type Subtype is the first 4 digits of the valid data
  • the Framebody is the remaining data of the valid data
  • the other data is filled with the Wifi frame according to the protocol.
  • the embodiment of the present application further provides an access terminal that implements a Wifi access network, including: a packaging unit, a sending unit, and a receiving unit;
  • the encapsulation unit is configured to: send an Internet command CMD—ONLINE cannot construct an extended data frame containing valid data for accessing the network when accessing the network;
  • the sending unit is configured to: send the extended data frame to the intermediate terminal through the P2P0 interface; and the receiving unit is configured to: receive the response data returned by the intermediate terminal and include the valid data access network according to the extended data frame.
  • the embodiment of the present application further provides an intermediate terminal that implements a Wifi access network, including: a first unit, a building unit, and a second unit;
  • the first unit is configured to: receive the access terminal to send the Internet access command CMD ONLINE cannot access the network, and the extended data frame that includes the valid data of the access network is parsed to obtain valid information for accessing the network;
  • the building unit is configured to: construct an extended Wifi frame received by the wireless router, and fill the valid information obtained by the first unit to the corresponding position of the extended Wifi frame; for constructing the extended response data frame, and extending the network access feedback of the wireless route transmission The Wifi response frame is filled into the extended response data frame;
  • the second unit is configured to: send the extended response data frame generated by the building unit to the access terminal to complete network access.
  • the embodiment of the present application further provides a terminal for implementing a Wifi access network, including: a packaging unit, a sending unit, a receiving unit, a first unit, a building unit, and a second unit;
  • the encapsulation unit is configured to: send an Internet access command CMD ONLINE cannot construct an extended data frame containing valid data for accessing the network when accessing the network;
  • the sending unit is configured to: send the extended data frame to the intermediate terminal through the P2P0 interface; the receiving unit is configured to: receive the response data returned by the intermediate terminal and include the valid data access network according to the extended data frame.
  • the first unit is configured to: receive the access terminal to send the CMD—the extended data frame constructed by the ONLINE when the network cannot access the network and includes the valid data of the access network, and obtain valid information for accessing the network;
  • the building unit is configured to: construct an extended Wifi frame received by the wireless router, and fill the valid information obtained by the first unit to the corresponding position of the extended Wifi frame; for constructing the extended response data frame, and extending the network access feedback of the wireless route transmission The Wifi response frame is filled into the extended response data frame;
  • the second unit is configured to: send the extended response data frame generated by the building unit to the access terminal to complete network access.
  • the encapsulation unit is configured to: send CMD_ONLINE When the network cannot be accessed, the Oxbc item attribute in the frame body is 0x01, the valid data is data Sub and optionally, the building unit is set to:
  • the frame type of the Frame Control has a TYPE of 11, the data type Subtype is the first 4 digits of the valid data, the Framebody is the remaining data of the valid data, and the other data is filled according to the protocol; according to the method of encapsulating the extended data frame, Construct an extended response data frame.
  • FIG. 1 is a flowchart of a method for increasing an available port of a terminal according to an embodiment of the present invention. As shown in FIG. 1 , the method includes:
  • Step 100 The access terminal and the intermediate terminal respectively open respective Wifi Station mode and Wifi Direct mode, and when the intermediate terminal receives the extended data frame indicating that the access terminal accesses the network, extracts valid data of the access network.
  • the wifi device supports three working modes, wifi station mode, wifi ap mode and wifi direct mode.
  • the wifi station mode is the device as a workstation, connected to the router through wifi to connect to the network, the general wifi Internet access function works in this mode.
  • the wifi ap mode is a mode in which the device acts as an access point (hotspot) to provide wireless networks to other devices. This mode is used as a hotspot.
  • the wifi direct mode is similar to Bluetooth, allowing two mobile terminals connected to wifi direct to complete file transfer and other operations.
  • the wifi station mode and the wifi direct mode support coexistence.
  • the access terminal normally accesses the Internet via wifi, it will send a request/response/interaction, etc.
  • Data to the wireless router these data is the valid data in the above steps, the data is completely encapsulated into the wifi direct extension frame.
  • the access terminal in the network refers to a part of the terminal that cannot receive the Internet access command of the terminal because the number of terminals that can be connected to the wireless route has reached the upper limit when the Internet access command is not directly connected.
  • the intermediate terminal refers to a terminal that can communicate with the wireless terminal in the Wifi Station mode by communicating with the access terminal in the Wifi Direct mode to perform network access.
  • Step 101 The intermediate terminal carries the extracted valid data in the extended Wifi frame and sends the data to the no-line.
  • the step further includes: the intermediate terminal constructs an extended Wifi frame and fills the valid data accordingly:
  • 4 bits, Framebody is the remaining data of valid data, except for the frame type, data type, and other data outside the frame, which are filled with Wifi frames according to the protocol.
  • the first 4 bits of the valid data coincide with the subtype bit of the extended frame, and the remaining data of the valid data indicates all the data after the first four bits of the valid data.
  • the TYPE of the frame type in the Frame Control has 00, 01, and 10 respectively indicating a data frame, a control frame, and a management frame, and the TYPE is 11 is an unused frame type TYPE value, in order to The distinction is made between the frames of the related communication, and the extended Wifi frame is effectively distinguished from the Wifi frame of the intermediate device itself accessing the network.
  • Step 102 The wireless router parses the extended Wifi frame to send valid data to the network to obtain response data.
  • Step 103 The wireless router carries the obtained response data in the extended Wifi response frame and returns it to the intermediate terminal.
  • the method for constructing the extended Wifi response frame is the same as the method for constructing the extended Wifi frame in step 201, that is, the TYPE of the frame type in the Frame Control is 11, and in the related art, the TYPE of the frame type in the Frame Control has 00, 01, and 10 respectively.
  • the data type Subtype is the first 4 bits of the response data
  • the Framebody is the remaining data of the response data
  • the other data is filled with the Wifi frame according to the protocol.
  • Step 104 The intermediate terminal constructs the extended Wifi response frame as the response extended data frame, and feeds back to the access terminal, and the access terminal parses the response extended data frame to complete the network access.
  • the sending Internet command indicates that the network cannot be accessed, and the extended data frame is constructed to realize the direct interaction between the access terminal and the intermediate terminal.
  • Data frame sending valid data of the access network to the intermediate terminal;
  • the extended data frame is:
  • the frame body (Framebody) has an Oxbc item attribute of 0x01, and the valid data is: data (Sub) and CMD_ONLINE, and other bits are filled according to the Wifi Direct standard format.
  • FIG. 2 is a structural block diagram of a system for implementing a Wifi access network according to an embodiment of the present invention. As shown in FIG. 2, the method includes: at least one access terminal 201 and at least one intermediate terminal 202 and a wireless router 203. The access terminal and the intermediate terminal are both located. Wifi Station and Wifi Direct mode; among them,
  • the access terminal 201 is configured to: transmit the extended data frame to the intermediate terminal; receive the response extended data frame sent by the intermediate terminal and parse.
  • the intermediate terminal 202 is configured to: when receiving the extended data frame, when used to indicate that the access terminal accesses the extended data frame of the network, extract valid data of the access network; carry the extracted valid data in the extended Wifi frame and send the wireless data to the wireless router ;
  • the extended Wifi response frame is constructed as a response extended data frame and fed back to the access terminal.
  • the intermediate terminal constructs an extended Wifi frame; wherein, the frame type of the Frame Control has a TYPE of 11, the Subtype is the first 4 bits of the valid data, the Framebody is the remaining data of the valid data, and the other data is filled with the Wifi frame according to the protocol.
  • the wireless router 203 is configured to: parse the extended Wifi frame to send valid data to the network to obtain response data; and carry the obtained response data in the extended Wifi response frame and send it to the intermediate terminal.
  • the access terminal 201 is also configured to: when transmitting CMD - ONLINE cannot access the network, Build an extended data frame;
  • the extended data frame is:
  • the Oxbc item attribute in Framebody is 0x01, the valid data is Sub and CMD ONLINE, and the other bits are filled according to the Wifi Direct standard format.
  • the embodiment of the present invention further discloses an access terminal for implementing a Wifi access network, as shown in FIG. 3, including: a packaging unit 301, a sending unit 302, and a receiving unit 303;
  • the encapsulation unit 301 is configured to: Send CMD - When ONLINE cannot access the network, an extended data frame containing valid data for accessing the network is constructed.
  • the transmitting unit 302 is configured to: send the extended data frame to the intermediate terminal through the P2P0 interface.
  • the receiving unit 303 is configured to: receive the response data returned by the intermediate terminal and including the valid data access network according to the extended data frame.
  • the encapsulating unit 301 is configured to: send CMD—ONLINE cannot access the network, and the Oxbc item attribute in the Framebody is 0x01, the valid data is Sub, and the embodiment of the present invention further discloses an implementation of the Wifi access network.
  • the terminal as shown in FIG. 4, includes: a receiving unit 401, a packaging unit 402, and a sending unit 403;
  • the receiving unit 401 is configured to: receive the access terminal to send the CMD - the extended data frame constructed when the ONLINE cannot access the network and includes the valid data for accessing the network.
  • the encapsulating unit 402 is configured to: perform extended data frame parsing to obtain valid information for accessing the network; construct an extended Wifi frame received by the radio route, and fill the valid information obtained by the receiving unit 401 to a corresponding position of the extended Wifi frame; The extended response data frame is filled, and the extended Wifi response frame of the network access feedback sent by the wireless route is filled into the extended response data frame.
  • the sending unit 403 is configured to: send the extended response data frame generated by the encapsulating unit 402 to the access terminal to complete network access.
  • the encapsulating unit 402 is configured to: construct a Frame Type in the Frame Control with a TYPE of 11, a data type Subtype as the first 4 bits of valid data, a Framebody as remaining data of valid data, and a data frame filled with other data according to a protocol.
  • An extended response data frame is constructed in accordance with a method of encapsulating an extended data frame.
  • the embodiment of the invention further discloses a terminal for implementing a Wifi access network, as shown in FIG. 5,
  • the encapsulation unit 301, the sending unit 302, the receiving unit 303, the receiving unit 401, the encapsulating unit 402, and the sending unit 403 are configured as shown in the above two embodiments, and details are not described herein.
  • FIG. 6 is a flowchart of a method for implementing a Wifi access network according to an embodiment of the present invention. As shown in FIG. 3, the method includes:
  • Step 600 Accessing the terminal user to operate the application, and calling whether the standard interface sends an online command
  • Step 6010 When the access terminal sends CMD_ONLINE, it is determined whether the Internet is accessed through the Wifi or the data service. If yes, go to step 60110; otherwise, execute 60120.
  • Step 60110 The access terminal uses the standard method to execute the online command CMD ONLINE.
  • Step 60120 The access terminal constructs an extended data frame: the Oxbc item attribute in the Framebody is
  • valid data is: Sub and CMD_ONLINE, other bits are filled according to the Wifi Direct standard format.
  • Step 60121 Send the extended data frame to the intermediate terminal through the P2P0 port of the device.
  • step 600 when the access terminal user operates the application and the standard interface is sent instead of the online command CMD_ONLINE, step 6020 is performed.
  • Step 6020 Determine whether the access terminal user invokes the standard interface to send a file sharing command CMD SHARE, if yes, go to step 60210; otherwise, execute 60220.
  • Step 60210 Accessing the terminal
  • the Wifi module encapsulates this command and constructs a corresponding standard Wifi Direct frame using a standard protocol.
  • Step 60211 Send the Wifi Direct standard frame to the intermediate terminal through the device P2P0 port.
  • Execution 60220 When the access terminal invokes the standard interface to send neither CMD ONLINE nor CMD_SHARE, other modules are called to process the command. It should be noted that the method steps after steps 6020 and 6020 are related to the related art. The method flow is clearly illustrated for the purpose of clearly illustrating the protection of the present invention, and also for explaining that the present invention does not conflict with other related methods of the related art.
  • FIG. 7 is a flowchart of a method for implementing a Wifi access network according to Embodiment 2 of the present invention.
  • the access terminal distinguishes the data frame of the access terminal and the intermediate terminal in the WIFI DIRECT mode. , constructing an extended data frame, when the intermediate terminal receives the communication data, including:
  • Step 700 Receive a Wifi Direct frame, and determine whether a frame type of the Wifi Direct frame is a data frame. When it is a data frame, go to step 7010; otherwise, go to step 7020.
  • the data frame and the extended data frame generated in Embodiment 1 are both Wifi Direct frames, that is, the terminal and the terminal are in the Wifi Direct mode, and in the communication process, according to the standard communication protocol, the transmission must be Wifi Direct frame.
  • Step 7010 Determine whether the data frame is an extended data frame. If yes, execute 7011, otherwise go to step 7020.
  • Step 7011 Acquire valid framebody data in the extended data frame.
  • Step 7012 Construct an extended Wifi frame:
  • the Type bit is 11, the data type Subtype is the first 4 bits of the valid data, the Framebody is the remaining data of the valid data, and the other bits are filled in a general manner.
  • Step 7013 Send the extended Wifi frame through the device wlanO port.
  • the extended Wifi frame is sent to the wireless router through the intermediate terminal, that is, the extended Wifi frame is constructed, and the valid data of the visited network is carried in the frame information, thereby realizing the access terminal to the intermediate terminal and the wireless router. Communication.
  • step 7020 is performed.
  • Step 7020 parsing the frame in a general manner and responding. It should be noted
  • Step 7021 Encapsulate the response data into a standard Wifi Direct frame according to a standard format.
  • Step 7022 Send the standard Wifi Direct frame through the device p2p0 port.
  • steps 7020 to 7022 are method steps of the related art. This section is set forth to provide a clearer description of the present invention and further to illustrate that there is no communication conflict between the present invention and the related art.
  • FIG. 8 is a flowchart of a method for implementing a Wifi access network according to Embodiment 3 of the present invention. As shown in FIG. 8, when a wireless router receives a data frame initiated by an intermediate terminal, the method includes:
  • Step 800 When the wireless router receives the Wifi frame, determine whether the frame type is a data frame. When the frame type is a data frame, go to step 8010; otherwise, go to step 8020.
  • Step 8010 Whether the data frame is an extended Wifi frame. When the Wifi frame is extended, step 8011 is performed; otherwise, step 8020 is still performed.
  • Step 8011 Obtain valid data of the Framebody in the frame and a control bit Subtype value.
  • Step 8012 Except for the Type bit, the method is parsed in a standard manner, and network access is performed to obtain a Wifi response frame.
  • Step 8013 Construct a Wifi response frame as an extended Wifi response frame according to how to construct an extended Wifi frame.
  • Step 8014 Send the extended Wifi frame through the Wifi wireless link.
  • the extended Wifi frame is sent out through the Wifi wireless link, and the invented method is the same as the method of transmitting the normal Wifi frame.
  • Step 8020 Parse the frame in a general manner and respond.
  • Step 8021 Encapsulate the response data into a standard Wifi frame according to a standard format.
  • Step 8022 Send the Wifi frame through the Wifi wireless link.
  • FIG. 9 is a flowchart of a method for implementing a Wifi access network according to Embodiment 4 of the present invention. As shown in FIG. 9, when a wireless router receives a data frame initiated by an intermediate terminal, the method includes:
  • Step 900 The access terminal receives the WiFi frame, and determines that the frame type is a data frame. When the frame type is a data frame, step 9010 is performed; otherwise, step 9020 is performed.
  • Step 9010 Whether the data frame is an extended Wifi response frame. When the Wifi response frame is extended, step 9011 is performed; otherwise, step 9020 is still performed.
  • Step 9011 Obtain valid data of the Framebody in the frame and a control bit Subtype value.
  • Step 9012 Construct a response extended data frame: In the Framebody, the Oxbc item attribute is 0x01, the valid data is Sub+Data, and the other bits are filled according to the WiFi Direct standard format.
  • Step 9013 Send the response extended data frame to the device through the P2P0 port.
  • Step 9020 parsing the frame in a generic manner and responding.
  • Step 9021 Encapsulate the response data into a standard Wifi frame according to a standard format.
  • Step 9022 Send the standard WiFii frame through the device wlanO port.
  • the data of the access terminal that cannot access the Wifi network is sent to the wireless router through the intermediate terminal by constructing the extended Wifi frame and the extended data frame, thereby avoiding the situation that the Wifi terminal cannot access the local area network through the wireless router. The occurrence of this, thereby improving the effectiveness of network access. Therefore, the present invention has strong industrial applicability.

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Abstract

一种实现Wifi网络访问的方法、系统及终端;该方法包括:访问终端和中间终端均分别打开各自的Wifi Station模式和Wifi Direct模式,当中间终端接收到用于表示访问终端访问网络的扩展数据帧时,提取访问网络的有效数据并携带在扩展Wifi帧中并发送给无线路由;无线路由对扩展Wifi帧进行解析将有效数据发送到网络中获得应答数据并携带在扩展Wifi应答帧中返回给中间终端;中间终端将扩展Wifi应答帧构建为应答扩展数据帧后反馈给访问终端,访问终端解析应答扩展数据帧完成网络访问。本发明实施例通过构建扩展Wifi帧和扩展数据帧,通过中间终端将无法访问Wifi网络的访问终端的数据发送到无线路由,避免了Wifi终端无法通过无线路由器进行网络访问情况的发生,从而了提高网络访问的有效性。

Description

一种实现 Wifi访问网络的方法、 系统及终端
技术领域
本发明涉及实现无线保真 (Wifi )访问网络的技术领域, 尤指一种实现 Wifi访问网络的方法、 系统、 访问终端、 中间终端及终端。
背景技术
随着科技的进步及社会的发展, 越来越多的电子产品进入普通人的生 活。 智能手机、 平板电脑及电子阅读器等移动终端作为新兴电子产品的典型 代表, 受到越来越多的人群的的关注和欢迎。
Wifi技术是一个基于 IEEE 802.11 系列标准的无线网路通信技术的品 牌, 目的是改善移动终端基于 IEEE 802.11标准的无线网路的互通性, 是一 种基于 IEEE802.i l标准的无线局域网技术。 Wifi已经成为移动终端系统中最 重要的功能之一。
参照 Wifi的技术标准, 移动终端作为通过 Wifi访问网络的 Wifi终端一 般支持有 Wifi-Station、 Wifi-Hotspot及 Wifi-Direct三种工作模式。 其中, Wifi-Station模式是终端组网的最基本模式, 是客户端在整个局域网中与无线 路由器进行连接以实现网络访问的模式; Wifi-Hotspot模式是 Wifi终端作为 局域网中的服务端时的工作模式, 处于 Wifi-Hotspot模式的 Wifi终端充当网 络中的无线路由器为其他 Wifi终端提供网络访问的终端; Wifi-Direct是近年 推出的一项新的标准, 允许 Wifi终端无需通过无线路由器, 就可以直接实现 终端之间的连接及数据信息的传输。 在 Wifi-Direct工作模式下, 连接双方经 过协商组成一个群组, 一方为群组拥有者(GO, Group Owner ) , 而另一方 为群组消费者(GC, Group Customer ) 。
Wifi协议中包含三种主要类型的帧: 数据帧、 控制帧和管理帧。 其中, 数据帧好比 Wifi协议的驮马, 用于负责在工作站之间传输数据。 因为所处的 网络环境不同数据帧可能有所差异。 控制帧通常用于与数据帧搭配使用, 负 责区域的清空、 信道的取得以及载波监听的维护, 并在接收到数据时予以正 面的应答, 以实现促进工作站间数据传输的可靠性。 管理帧用于负责加入或 退出无线网络以及处理基站之间连接的转移事宜的监督。
在目前的 Wifi组网方式中, 当处于 Wifi-Station模式的 Wifi终端在无线 路由器的信号覆盖范围内时, 可以通过正确的鉴权密码进行连接。 但是, 在 局域网内, 无线路由器对连接到它的 Wifi终端是有数量上的限制的。 也就是 说, 当 Wifi终端连接无线路由器时, 如果无线路由器连接的 Wifi终端过多, 会造成某些 Wifi终端无法通过无线路由器加入局域网进行网络访问的情况发 生。 发明内容
本发明实施例所要解决的技术问题是提供一种实现 Wifi访问网络的方 法、 系统及终端, 以避免 Wifi终端无法通过无线路由器加入局域网进行网络 访问的情况的发生, 从而提高网络访问的有效性。
为解决上述技术问题, 釆用如下技术方案:
一种实现 Wifi网络访问的方法, 包括:
访问终端和中间终端均分别打开各自的 Wifi Station模式和 Wifi Direct模 式, 当所述中间终端接收到用于表示所述访问终端访问网络的扩展数据帧时, 提取访问网络的有效数据;
所述中间终端将提取的所述有效数据携带在扩展 Wifi帧中发送给无线路 由;
所述无线路由对所述扩展 Wifi帧进行解析, 并将解析得到的所述有效数 据发送到网络中, 并获得网络的应答数据;
所述无线路由将获得的所述应答数据携带在扩展 Wifi应答帧中返回给所 述中间终端;
所述中间终端将所述扩展 Wifi应答帧构建为应答扩展数据帧后, 反馈给 所述访问终端, 所述访问终端解析所述应答扩展数据帧, 完成网络访问。
可选地, 所述访问终端和中间终端均分别打开各自的 Wifi Station模式和 Wifi Direct模式的步骤之前, 该方法还包括: 当所述访问终端发送上网命令 CMD ONLINE表示无法访问网络时 , 构 建扩展数据帧, 以实现区分所述访问终端与所述中间终端的直接交互的数据 帧, 将访问网络的所述有效数据发送到所述中间终端;
其中, 所述扩展数据帧为: 帧体 Framebody中 Oxbc项属性为 0x01; 所述有效数据为: 数据 Sub 和 CMD— ONLINE , 除数据 Sub 和
CMD ONLINE外的其它位按照 Wifi Direct标准格式填充。
可选地,所述中间终端将提取的所述有效数据携带在扩展 Wifi帧中的步 骤包括:
所述中间终端构建一个扩展 Wifi帧; 所述扩展 Wifi帧中, 帧控制 Frame Control中帧类型的 TYPE为 11 , 数据类型 Subtype为有效数据的前 4位, 帧 体 Framebody为所述有效数据的剩余数据, 除所述帧控制 Frame Control, 数 据类型 Subtype和帧体 Framebody外的其他数据按照协议进行填充。
一种实现 Wifi访问网络的系统, 包括: 无线路由, 至少一个访问终端和 至少一个中间终端, 所述访问终端和所述中间终端都处于 Wifi Station和 Wifi Direct模式; 其中,
所述访问终端设置成: 发送扩展数据帧到所述中间终端; 接收所述中间 终端发送的应答扩展数据帧, 并解析该应答扩展数据帧;
所述中间终端设置成: 当接收到用于表示所述访问终端访问网络的所述 扩展数据帧时, 提取访问网络的有效数据; 将提取的所述有效数据携带在扩 展 Wifi帧中, 并将所述扩展 Wifi帧发送给所述无线路由; 将扩展 Wifi应答 帧构建为所述应答扩展数据帧后, 反馈给所述访问终端;
无线路由设置成: 对所述扩展 Wifi帧进行解析, 并将解析得到的所述有 效数据发送到网络中, 获得网络的应答数据; 将获得的所述应答数据携带在 所述扩展 Wifi应答帧中返回给所述中间终端。
可选地, 所述访问终端还设置成: 当发送上网命令 CMD— ONLINE表示 无法访问网络时, 构建所述扩展数据帧;
所述扩展数据帧为: 帧体 Framebody中 Oxbc项属性为 0x01; 所述有效数据为数据 Sub 和 CMD— ONLINE , 除数据 Sub 和 CMD ONLINE外的其它位按照 Wifi Direct标准格式填充。
可选地, 所述中间终端设置成按照如下方式将提取的所述有效数据携带 在扩展 Wifi帧中:
所述中间终端构建一个扩展 Wifi帧; 所述扩展 Wifi帧中, 帧控制 Frame
Control中帧类型的 TYPE为 11 , 数据类型 Subtype为有效数据的前 4位, 帧 体 Framebody为有效数据的剩余数据, 除所述帧控制 Frame Control, 数据类 型 Subtype和帧体 Framebody外的其他数据按照协议进行填充。
一种实现 Wifi访问网络的终端, 包括:封装单元、发送单元和接收单元; 其中,
所述封装单元设置成: 发送上网命令 CMD ONLINE表示无法通过访问 网络时, 构建包含访问网络有效数据的扩展数据帧;
所述发送单元设置成: 通过 P2P0接口将所述扩展数据帧发送给中间终 端;
所述接收单元设置成: 接收所述中间终端根据所述扩展数据帧的有效数 据访问网络反馈的应答数据。
可选地, 所述接收单元还设置成: 接收访问终端发送 CMD— ONLINE无 法访问网络时构建的、 包含访问网络有效数据的扩展数据帧; 接收无线路由 发送的扩展 wifi应答帧;
所述封装单元设置成: 对所述扩展数据帧进行解析, 通过解析获得访问 网络的所述有效信息; 构建扩展 Wifi 帧, 将所述有效信息填充到所述扩展 Wifi帧中; 构建扩展应答数据帧, 将所述扩展 Wifi应答帧填充到所述扩展应 答数据帧中;
所述发送单元还设置成: 将所述封装单元构建的所述扩展 Wifi帧发送给 可选地, 所述封装单元是设置成: 发送 CMD— ONLINE表示无法通过访 问网络时, 构建帧体 Framebody中 Oxbc项属性为 0x01 , 有效数据为数据 Sub 和 CMD ONLINE,
可选地, 所述封装单元是设置成:
构建帧控制 Frame Control中帧类型的 TYPE为 11 , 数据类型 Subtype为 有效数据的前 4位, Framebody为有效数据的剩余数据, 除所述帧控制 Frame Control, 数据类型 Subtype和帧体 Framebody外的其他数据按照协议进行填 充的数据帧; 按照封装扩展数据帧的方法, 构建扩展应答数据帧。
一种实现 Wifi访问网络的终端, 包括:接收单元、封装单元和发送单元; 其中,
所述接收单元设置成: 接收访问终端发送上网命令 CMD— ONLINE表示 无法访问网络时构建的、 包含访问网络有效数据的扩展数据帧; 接收无线路 由发送的扩展 wifi应答帧;
所述封装单元设置成: 对所述扩展数据帧进行解析, 通过解析获得访问 网络的所述有效信息; 构建扩展 Wifi 帧, 将所述有效信息填充到所述扩展 Wifi帧中; 构建扩展应答数据帧, 将所述扩展 Wifi应答帧填充到所述扩展 应答数据帧中;
所述发送单元设置成: 将所述封装单元构建的所述扩展 Wifi帧发送给无 上述技术方案中, 访问终端和中间终端均分别打开各自的 Wifi Station模 式和 Wifi Direct模式, 当中间终端接收到用于表示访问终端访问网络的扩展 数据帧时, 提取访问网络的有效数据并携带在扩展 Wifi 帧中并发送给无线 路由; 无线路由对扩展 Wifi 帧进行解析将有效数据发送到网络中获得应答 数据并携带在扩展 Wifi应答帧中返回给中间终端; 中间终端将扩展 Wifi应 答帧构建为应答扩展数据帧后反馈给访问终端, 访问终端解析应答扩展数据 帧完成网络访问。 本发明实施例通过构建扩展 Wifi帧和扩展数据帧的方式, 将无法访问 Wifi网络的访问终端的数据, 通过中间终端发送到无线路由, 避 免了 Wifi终端无法通过无线路由器加入局域网进行网络访问的情况的发生, 从而了提高网络访问的有效性。 附图概述
此处所说明的附图用来提供对本发明实施例的进一步理解, 构成本申请 的一部分, 本发明的示意性实施例及其说明用于解释本发明, 并不构成对本 发明的不当限定。 在附图中:
图 1为本发明实施例的实现 Wifi访问网络的方法的流程图;
图 2为本发明实施例的实现 Wifi访问网络的系统的结构框图; 图 3为本发明实施例的一种实现 Wifi访问网络的终端的结构示意图; 图 4为本发明实施例的一种实现 Wifi访问网络的终端的结构示意图; 图 5为本发明实施例的一种实现 Wifi访问网络的终端的结构示意图; 图 6为本发明实施例的实现 Wifi访问网络的实施例 1的方法的流程图; 图 7为本发明实施例的实现 Wifi访问网络的实施例 2的方法的流程图; 图 8为本发明实施例的实现 Wifi访问网络的实施例 3的方法的流程图; 图 9为本发明实施例的实现 Wifi访问网络的实施例 4的方法的流程图。
本发明的较佳实施方式
下面将结合附图对本发明的具体实施进行详细的说明。
本发明实施例提供了一种实现 Wifi网络访问的方法, 包括:
访问终端和中间终端均分别打开各自的 Wifi Station模式和 Wifi Direct模 式, 当中间终端接收到用于表示访问终端访问网络的扩展数据帧时, 提取访 问网络的有效数据;
中间终端将提取的有效数据携带在扩展 Wifi帧中并发送给无线路由; 无线路由对扩展 Wifi 帧进行解析将有效数据发送到网络中获得应答数 据;
无线路由将获得的应答数据携带在扩展 Wifi应答帧中返回给中间终 中间终端将扩展 Wifi应答帧构建为应答扩展数据帧后, 反馈给访问终 端, 访问终端解析应答扩展数据帧完成网络访问。
可选地, 该方法之前还包括: 当访问终端发送上网命令 CMD ONLINE 无法访问网络时, 构建扩展数据帧, 以实现区分访问终端与中间终端的直接 交互的数据帧, 将访问网络的有效数据发送到中间终端;
扩展数据帧为: 帧体 Framebody中 Oxbc项属性为 0x01 , 有效数据为: 数 据 Sub和 CMD— ONLINE, 其它位按照 Wifi Direct标准格式填充。
可选地, 中间终端将提取的有效数据携带在扩展 Wifi 帧中为: 中间终 端构建一个扩展 Wifi帧; 其中, 帧控制 Frame Control中帧类型的 TYPE为 11 , 数据类型 Subtype为有效数据的前 4位, Framebody为有效数据的剩余数 据, 其他数据按照协议进行填充的 Wifi帧。
另一方面, 本申请实施例还提供一种实现 Wifi访问网络的系统, 包 括: 至少一个访问终端和至少一个中间终端及无线路由; 设置访问终端和中 间终端都处于 Wifi Station和 Wifi Direct模式; 其中,
访问终端设置成: 发送扩展数据帧到中间终端; 接收中间终端发送的应 答扩展数据帧并解析;
中间终端设置成: 当接收到用于表示访问终端访问网络的扩展数据帧 时, 提取访问网络的有效数据; 将提取的有效数据携带在扩展 Wifi 帧中并 发送给无线路由; 将扩展 Wifi应答帧构建为应答扩展数据帧后, 反馈给访 问终端;
无线路由设置成:对扩展 Wifi帧进行解析将有效数据发送到网络中获得 应答数据; 将获得的应答数据携带在扩展 Wifi应答帧返回给中间终端。
可选地, 访问终端, 还设置成: 当发送上网命令 CMD— ONLINE无法访 问网络时, 构建扩展数据帧;
扩展数据帧为: 帧体 Framebody中 Oxbc项属性为 0x01 , 有效数据为数据
Sub和 CMD— ONLINE , 其它位按照 Wifi Direct标准格式填充。
可选地, 将提取的有效数据携带在扩展 Wifi帧中为:
中间终端构建一个扩展 Wifi帧; 其中, 帧控制 Frame Control中帧类型 的 TYPE为 11 , 数据类型 Subtype为有效数据的前 4位, Framebody为有效数 据的剩余数据, 其他数据按照协议进行填充的 Wifi帧。
再一方面, 本申请实施例还提供一种实现 Wifi访问网络的访问终端, 包括: 封装单元、 发送单元和接收单元; 其中,
封装单元设置成: 发送上网命令 CMD— ONLINE无法通过访问网络时, 构建包含访问网络有效数据的扩展数据帧;
发送单元设置成: 通过 P2P0接口将扩展数据帧发送给中间终端; 接收单元设置成: 接收中间终端返回的包含根据扩展数据帧的有效数据 访问网络的应答数据。
再一方面, 本申请实施例还提供一种实现 Wifi访问网络的中间终端, 包括: 第一单元、 构建单元和第二单元; 其中,
第一单元设置成: 接收访问终端发送上网命令 CMD ONLINE无法访问 网络时构建的、 包含访问网络有效数据的扩展数据帧进行解析, 获得访问网 络的有效信息;
构建单元设置成:将构建无线路由接收的扩展 Wifi帧, 将第一单元获得 的有效信息填充到扩展 Wifi帧的相应位置; 用于构建扩展应答数据帧, 将 无线路由发送的网络访问反馈的扩展 Wifi应答帧填充到扩展应答数据帧 中;
第二单元设置成: 将构建单元生成的扩展应答数据帧发送到访问终端, 完成网络访问。
再一方面, 本申请实施例还提供一种实现 Wifi访问网络的终端, 包 括: 封装单元、 发送单元、 接收单元、 第一单元、 构建单元及第二单元; 其 中,
封装单元设置成: 发送上网命令 CMD ONLINE无法通过访问网络时, 构建包含访问网络有效数据的扩展数据帧;
发送单元设置成: 通过 P2P0接口将扩展数据帧发送给中间终端; 接收单元设置成: 接收中间终端返回的包含根据扩展数据帧的有效数据 访问网络的应答数据。 第一单元设置成: 接收访问终端发送 CMD— ONLINE无法访问网络时构 建的、 包含访问网络有效数据的扩展数据帧进行解析, 获得访问网络的有效 信息;
构建单元设置成:将构建无线路由接收的扩展 Wifi帧, 将第一单元获得 的有效信息填充到扩展 Wifi帧的相应位置; 用于构建扩展应答数据帧, 将 无线路由发送的网络访问反馈的扩展 Wifi应答帧填充到扩展应答数据帧 中;
第二单元设置成: 将构建单元生成的扩展应答数据帧发送到访问终端, 完成网络访问。
可选地, 封装单元是设置成: 发送 CMD— ONLINE 无法通过访问网络 时, 构建帧体 Framebody 中 Oxbc项属性为 0x01 , 有效数据为数据 Sub和 可选地, 构建单元是设置成:
构建帧控制 Frame Control中帧类型的 TYPE为 11 , 数据类型 Subtype为 有效数据的前 4位, Framebody为有效数据的剩余数据, 其他数据按照协议 进行填充的数据帧; 按照封装扩展数据帧的方法, 构建扩展应答数据帧。
图 1 为本发明实施例的实现增加终端可用端口的方法的流程图, 如图 1 所示, 包括:
步骤 100、 访问终端和中间终端均分别打开各自的 Wifi Station模式和 Wifi Direct模式, 当中间终端接收到用于表示访问终端访问网络的扩展数据 帧时, 提取访问网络的有效数据。
wifi设备支持三种工作模式, wifi station模式, wifi ap模式和 wifi direct 模式。 其中, wifi station模式是设备作为工作站, 通过 wifi连接到路由器接 入网络, 一般用的 wifi上网功能即工作在此模式。 wifi ap模式是设备作为接 入点 (热点), 为其他设备提供无线网络的模式, 手机作为热点即为此种模式。 wifi direct模式类似于蓝牙, 允许两个处于 wifi direct的移动终端连接, 完成 文件传送等操作。 wifi station模式与 wifi direct模式是支持共存的。
另外, 访问终端如果正常通过 wifi进行上网时,会发送请求 /应答 /交互等 数据到无线路由器, 这些数据即为上述步骤中的有效数据, 这些数据是完全 被封装进 wifi direct扩展帧中的。
需要说明的是, 网络中访问终端是指发送上网命令时, 由于无法直接连 接到无线路由、 或, 无线路由所能连接的终端个数已经到达上限, 无法接受 终端的上网命令的部分终端。 而中间终端是指可以与访问终端通过在 Wifi Direct模式下进行通信, 在 Wifi Station模式下与无线路由进行通信, 以进行 网络访问的终端。 为了区分访问终端与中间终端的交互通信和访问终端为了 实现网络访问借助中间终端实现上网的目的, 因此需要通过扩展数据帧实现 与交互通信的数据帧进行区分, 以进行数据通信过程的相应处理。
步骤 101、 中间终端将提取的有效数据携带在扩展 Wifi帧中并发送给无 线路由。
该步骤还包括, 中间终端按照如下方式构建一个扩展 Wifi帧并将有效数 据进行相应填充: 中间终端构建一个扩展 Wifi帧; 其中, 帧类型的 TYPE为 11 , 数据类型 (Subtype )为有效数据的前 4位, 帧体(Framebody )为有效 数据的剩余数据, 除所述帧类型、 数据类型和帧体外的其他数据按照协议进 行填充的 Wifi帧。 有效数据前 4位与扩展帧的 subtype位一致,有效数据的剩 余数据指出去有效数据的前四位后的所有数据。
需要说明的是, 相关技术中, 帧控制( Frame Control )中帧类型的 TYPE 有 00、 01、 10分别表示数据帧、 控制帧和管理帧, TYPE为 11为未使用的帧 类型 TYPE值, 为了区分与相关的通信的帧进行区分, 实现扩展 Wifi帧和正 常情况下中间设备自身访问网络的 Wifi帧有效区分。
步骤 102、 无线路由对扩展 Wifi帧进行解析将有效数据发送到网络中获 得应答数据。
步骤 103、 无线路由将获得的应答数据携带在扩展 Wifi应答帧中返回给 中间终端。
需要说明的是, 构建扩展 Wifi应答帧与步骤 201构建扩展 Wifi帧的方式 相同, 即 Frame Control中帧类型的 TYPE为 11 , 相关技术中, Frame Control 中帧类型的 TYPE有 00、 01、 10分别表示数据帧、 控制帧和管理帧, TYPE 为 11为未使用的帧类型 TYPE值, 为了区分与相关的通信的帧进行区分, 实 现扩展数据帧的有效检测。 数据类型 Subtype 为应答数据的前 4 位, Framebody为应答数据的剩余数据, 其他数据按照协议进行填充的 Wifi帧。
步骤 104、 中间终端将扩展 Wifi应答帧构建为应答扩展数据帧后, 反馈 给访问终端, 访问终端解析应答扩展数据帧完成网络访问。
当访问终端需要上网, 但无法通过 wifi直接连接到无线路由上完成上网 操作时, 发送上网命令(CMD— ONLINE )表示无法访问网络, 构建扩展数据 帧, 以实现区分访问终端与中间终端的直接交互的数据帧, 将访问网络的有 效数据发送到中间终端;
扩展数据帧为: 帧体(Framebody )中 Oxbc项属性为 0x01 , 有效数据为: 数据 ( Sub )和 CMD_ONLINE, 其它位按照 Wifi Direct标准格式填充。
图 2为本发明实施例的实现 Wifi访问网络的系统的结构框图, 如图 2所 示, 包括: 至少一个访问终端 201和至少一个中间终端 202及无线路由 203; 设置访问终端和中间终端都处于 Wifi Station和 Wifi Direct模式; 其中,
访问终端 201设置成: 发送扩展数据帧到中间终端; 接收中间终端发送 的应答扩展数据帧并解析。
中间终端 202设置成: 当接收到扩展数据帧时, 用于表示访问终端访问 网络的扩展数据帧时, 提取访问网络的有效数据; 将提取的有效数据携带在 扩展 Wifi帧中并发往无线路由; 将扩展 Wifi应答帧构建为应答扩展数据帧 后, 反馈给访问终端。
将提取的有效数据携带在扩展 Wifi帧中为:
中间终端构建一个扩展 Wifi帧; 其中, Frame Control中帧类型的 TYPE 为 11 , Subtype为有效数据的前 4位, Framebody为有效数据的剩余数据, 其 他数据按照协议进行填充的 Wifi帧。
无线路由 203设置成: 对扩展 Wifi帧进行解析将有效数据发送到网络中 获得应答数据; 将获得的应答数据携带在扩展 Wifi应答帧, 发往中间终 端。
访问终端 201还设置成: 当发送 CMD— ONLINE无法通过访问网络时, 构建扩展数据帧;
扩展数据帧为: Framebody中 Oxbc项属性为 0x01 , 有效数据为 Sub和 CMD ONLINE , 其它位按照 Wifi Direct标准格式填充。
本发明实施例还公开了一种实现 Wifi访问网络的访问终端, 如图 3 所 示, 包括: 封装单元 301、 发送单元 302和接收单元 303; 其中,
封装单元 301设置成: 发送 CMD— ONLINE无法通过访问网络时, 构建 包含访问网络有效数据的扩展数据帧。
发送单元 302设置成: 通过 P2P0接口将扩展数据帧发送给中间终端。 接收单元 303设置成: 接收中间终端返回的包含根据扩展数据帧的有效 数据访问网络的应答数据。
可选地, 封装单元 301是设置成: 发送 CMD— ONLINE无法通过访问网 络时, 构建 Framebody 中 Oxbc 项属性为 0x01 , 有效数据为 Sub 和 本发明实施例还公开了一种实现 Wifi访问网络的中间终端, 如图 4 所 示, 包括: 接收单元 401、 封装单元 402和发送单元 403; 其中,
接收单元 401设置成: 接收访问终端发送 CMD— ONLINE无法访问网络 时构建的、 包含访问网络有效数据的扩展数据帧。
封装单元 402设置成: 对所述进行扩展数据帧解析, 获得访问网络的有 效信息; 将构建无线路由接收的扩展 Wifi帧, 将接收单元 401获得的有效信 息填充到扩展 Wifi帧的相应位置; 构建扩展应答数据帧, 将无线路由发送 的网络访问反馈的扩展 Wifi应答帧填充到扩展应答数据帧中。
发送单元 403设置成: 将封装单元 402生成的扩展应答数据帧发送到访 问终端, 完成网络访问。
可选地, 封装单元 402是设置成: 构建 Frame Control中帧类型的 TYPE 为 11 , 数据类型 Subtype为有效数据的前 4位, Framebody为有效数据的剩余 数据, 其他数据按照协议进行填充的数据帧; 按照封装扩展数据帧的方法, 构建扩展应答数据帧。
本发明实施例还公开了一种实现 Wifi访问网络的终端, 如图 5所示, 包 括: 封装单元 301、 发送单元 302、 接收单元 303、 接收单元 401、 封装单元 402 及发送单元 403 , 这些单元的结构如上述两个实施例中所示, 在此不再 赘述。
只是为了更为清楚的说明本发明的内容, 并不是为了限制本发明。
实施例 1
图 6为本发明实施例的实现 Wifi访问网络的实施例 1的方法的流程图, 如图 3所示, 包括:
步骤 600、 访问终端用户操作应用,调用标准接口是否发送上网命令
CMD ONLINE, 是, 执行步骤 6010; 否则, 执行步骤 6020。
步骤 6010 , 当访问终端发送 CMD— ONLINE时, 判断是否通过 Wifi或数 据业务上网, 是则执行步骤 60110; 否则, 执行 60120。
步骤 60110、 访问终端釆用标准方法执行上网命令 CMD ONLINE。 步骤 60120、 访问终端构建扩展数据帧: Framebody 中 Oxbc 项属性为
0x01 , 有效数据为: Sub和 CMD— ONLINE, 其它位按照 Wifi Direct标准格式 填充。
步骤 60121、 将扩展数据帧通过设备 P2P0口发送到中间终端。
在步骤 600中, 当访问终端用户操作应用,调用标准接口发送的不是上网 命令 CMD— ONLINE时, 执行步骤 6020。
步骤 6020、 判断访问终端用户操作调用标准接口是否发送文件共享命令 CMD SHARE, 是, 执行步骤 60210; 否则, 执行 60220。
步骤 60210、 访问终端 Wifi模块封装此命令, 使用标准协议构建对应的 标准 Wifi Direct帧。
步骤 60211、 将 Wifi Direct标准帧通过设备 P2P0口发送到中间终端。 执行 60220、 当访问终端调用标准接口发送的既不是 CMD ONLINE, 也不是 CMD— SHARE时, 调用其他模块处理此命令。 需要说明的是, 步骤 6020及 6020以后的方法步骤为相关技术的内容。 将方法流程清楚说明, 是为了清楚说明本发明保护内容, 同时也为了说明本 发明与相关技术的方法其他通信过程并不冲突。
实施例 2
图 7为本发明实施例的实现 Wifi访问网络的实施例 2的方法的流程图, 如图 7所示, 在实施例 1 中访问终端为了区分访问终端与中间终端在 WIFI DIRECT模式下的数据帧, 构建了扩展数据帧, 当中间终端接收到通信数据 时, 包括:
步骤 700、 接收到 Wifi Direct帧, 判断 Wifi Direct帧的帧类型是否为数 据帧。 当是数据帧时, 执行步骤 7010; 否则, 执行步骤 7020.
需要说明的是, 实施例 1生成的数据帧和扩展数据帧, 都是 Wifi Direct 帧, 也就是说终端与终端在 Wifi Direct模式下, 其通信过程中, 根据标准的 通信协议, 发送的必定是 Wifi Direct帧。
步骤 7010、 判断数据帧是否为扩展数据帧。 如果是, 执行 7011 , 否则 同样执行步骤 7020。
步骤 7011、 获取扩展数据帧中的 Framebody有效数据。
步骤 7012、 构建扩展 Wifi帧: Type位为 11 , 数据类型 Subtype为有效 数据的前 4位, Framebody为有效数据的剩余数据, 其它位按照通用方式填 充。
需要说明的是, 这里的通用方式是指按照标准协议, 填充帧的方式。 步骤 7013、 通过设备 wlanO口, 将扩展 Wifi帧发送出去。
需要说明的是, 通过中间终端将扩展 Wifi帧发送到无线路由, 也就是说 构建的扩展 Wifi帧, 将访问网络的有效数据携带在帧信息中, 实现了由访问 终端到中间终端和无线路由的通信。
在获取的 Wifi Direct帧不是数据帧, 或者是数据帧, 不是访问终端为了 访问网络而构建的扩展数据帧时, 执行步骤 7020.
步骤 7020、 通用方式解析该帧并做出应答。 需要说明的是
步骤 7021、 按照标准格式将应答数据封装成一标准 Wifi Direct帧 步骤 7022、 将该标准 Wifi Direct帧通过设备 p2p0口发送出去
需要说明的是, 步骤 7020〜步骤 7022为相关技术的方法步骤。 对此部分 进行陈述, 只是为了更为清楚的说明本发明的内容, 且进一步说明本发明与 相关技术不存在通信冲突。
实施例 3
图 8为本发明实施例的实现 Wifi访问网络的实施例 3的方法的流程图, 如图 8所示, 当无线路由接收到中间终端发动的数据帧时, 包括:
步骤 800、 无线路由接收到 Wifi帧时, 判断帧类型是否为数据帧。 当帧 类型为数据帧时, 执行步骤 8010; 否则, 执行步骤 8020。
步骤 8010、 数据帧是否为扩展的 Wifi帧。 当为扩展 Wifi帧时, 执行步 骤 8011 ; 否者, 依然执行步骤 8020。
步骤 8011、 获取帧中的 Framebody的有效数据及控制位 Subtype值。 步骤 8012、 除 Type位外, 均使用标准方式解析, 并进行网络访问, 获 得 Wifi应答帧。
步骤 8013、 将 Wifi应答帧按照构建扩展 Wifi帧的方式构建为扩展 Wifi 应答帧。
步骤 8014、 通过 Wifi无线链路, 将扩展 Wifi帧发送出去。
需要说明的是, 通过 Wifi无线链路, 将扩展 Wifi帧发送出去, 其发明方 法和发送普通 Wifi帧的方法相同。
当无线路由接收的 Wifi帧不是数据帧, 或者是数据帧, 不是扩展数据帧 时, 按照相关技术执行以下步骤。
步骤 8020、 通用方式解析该帧, 并做出应答。
步骤 8021、 按照标准格式将应答数据封装成一标准 Wifi帧。
步骤 8022、 通过 Wifi无线链路, 将该 Wifi帧发送出去。
实施例 4 图 9为本发明实施例的实现 Wifi访问网络的实施例 4的方法的流程图, 如图 9所示, 当无线路由接收到中间终端发动的数据帧时, 包括:
步骤 900、 访问终端接收到 WiFi帧是, 判断帧类型为数据帧。 当帧类型 为数据帧时, 执行步骤 9010; 否则, 执行步骤 9020。
步骤 9010、 数据帧是否为扩展 Wifi应答帧。 当为扩展 Wifi应答帧时, 执行步骤 9011 ; 否则, 依然执行步骤 9020。
步骤 9011、 获取帧中的 Framebody的有效数据及控制位 Subtype值。 步骤 9012、 构建应答扩展数据帧: Framebody中 Oxbc项属性为 0x01 , 有 效数据为 Sub+Data, 其它位按照 WiFi Direct标准格式填充。
步骤 9013、 将应答扩展数据帧通过设备 P2P0口发送出去。
需要说明的是, 当应答数据帧通过 P2P0接口发送出去, 由访问终端接 收并解析, 也就完成了通过中间终端实现网络访问的目的。
步骤 9020、 通用方式解析该帧, 并做出应答。
步骤 9021、 按照标准格式将应答数据封装成一标准 Wifi帧。
步骤 9022、 通过设备 wlanO口, 将该标准 WiFii帧发送出去。
虽然本申请所揭露的实施方式如上, 但所述的内容仅为便于理解本申请 而釆用的实施方式, 并非用以限定本申请。 任何本申请所属领域内的技术人 员, 在不脱离本申请所揭露的精神和范围的前提下, 可以在实施的形式及细 节上进行任何的修改与变化, 但本申请的专利保护范围, 仍须以所附的权利 要求书所界定的范围为准。
工业实用性
本发明实施例通过构建扩展 Wifi 帧和扩展数据帧的方式, 将无法访问 Wifi网络的访问终端的数据, 通过中间终端发送到无线路由, 避免了 Wifi终 端无法通过无线路由器加入局域网进行网络访问的情况的发生, 从而了提高 网络访问的有效性。 因此本发明具有很强的工业实用性。

Claims

权 利 要 求 书
1、 一种实现 Wifi网络访问的方法, 包括:
访问终端和中间终端均分别打开各自的 Wifi Station模式和 Wifi Direct模 式, 当所述中间终端接收到用于表示所述访问终端访问网络的扩展数据帧时, 提取访问网络的有效数据;
所述中间终端将提取的所述有效数据携带在扩展 Wifi帧中发送给无线路 由;
所述无线路由对所述扩展 Wifi帧进行解析, 并将解析得到的所述有效数 据发送到网络中, 并获得网络的应答数据;
所述无线路由将获得的所述应答数据携带在扩展 Wifi应答帧中返回给所 述中间终端;
所述中间终端将所述扩展 Wifi应答帧构建为应答扩展数据帧后, 反馈给 所述访问终端, 所述访问终端解析所述应答扩展数据帧, 完成网络访问。
2、 根据权利要求 1所述的实现 Wifi网络访问的方法, 其中, 所述访问 终端和中间终端均分别打开各自的 Wifi Station模式和 Wifi Direct模式的步骤 之前, 该方法还包括:
当所述访问终端发送上网命令 CMD ONLINE表示无法访问网络时, 构 建扩展数据帧, 以实现区分所述访问终端与所述中间终端的直接交互的数据 帧, 将访问网络的所述有效数据发送到所述中间终端;
其中, 所述扩展数据帧为: 帧体 Framebody中 Oxbc项属性为 0x01; 所述有效数据为: 数据 Sub 和 CMD— ONLINE , 除数据 Sub 和 CMD ONLINE外的其它位按照 Wifi Direct标准格式填充。
3、 根据权利要求 1所述的实现 Wifi网络访问的方法, 其中, 所述中间 终端将提取的所述有效数据携带在扩展 Wifi帧中的步骤包括:
所述中间终端构建一个扩展 Wifi帧; 所述扩展 Wifi帧中, 帧控制 Frame
Control中帧类型的 TYPE为 11 , 数据类型 Subtype为有效数据的前 4位, 帧 体 Framebody为所述有效数据的剩余数据, 除所述帧控制 Frame Control, 数 据类型 Subtype和帧体 Framebody外的其他数据按照协议进行填充。
4、 一种实现 Wifi访问网络的系统, 包括: 无线路由, 至少一个访问终 端和至少一个中间终端, 所述访问终端和所述中间终端都处于 Wifi Station和
Wifi Direct模式; 其中,
所述访问终端设置成: 发送扩展数据帧到所述中间终端; 接收所述中间 终端发送的应答扩展数据帧, 并解析该应答扩展数据帧;
所述中间终端设置成: 当接收到用于表示所述访问终端访问网络的所述 扩展数据帧时, 提取访问网络的有效数据; 将提取的所述有效数据携带在扩 展 Wifi帧中, 并将所述扩展 Wifi帧发送给所述无线路由; 将扩展 Wifi应答 帧构建为所述应答扩展数据帧后, 反馈给所述访问终端;
无线路由设置成: 对所述扩展 Wifi帧进行解析, 并将解析得到的所述有 效数据发送到网络中, 获得网络的应答数据; 将获得的所述应答数据携带在 所述扩展 Wifi应答帧中返回给所述中间终端。
5、 根据权利要求 4所述的实现 Wifi网络访问的系统, 其中, 所述访问 终端还设置成: 当发送上网命令 CMD— ONLINE表示无法访问网络时, 构建 所述扩展数据帧;
所述扩展数据帧为: 帧体 Framebody中 Oxbc项属性为 0x01;
所述有效数据为数据 Sub 和 CMD— ONLINE , 除数据 Sub 和 CMD ONLINE外的其它位按照 Wifi Direct标准格式填充。
6、 根据权利要求 4所述的实现 Wifi网络访问的系统, 其中, 所述中间 终端设置成按照如下方式将提取的所述有效数据携带在扩展 Wifi帧中:
所述中间终端构建一个扩展 Wifi帧; 所述扩展 Wifi帧中, 帧控制 Frame Control中帧类型的 TYPE为 11 , 数据类型 Subtype为有效数据的前 4位, 帧 体 Framebody为有效数据的剩余数据, 除所述帧控制 Frame Control, 数据类 型 Subtype和帧体 Framebody外的其他数据按照协议进行填充。
7、 一种实现 Wifi访问网络的终端, 包括: 封装单元、 发送单元和接收 单元; 其中,
所述封装单元设置成: 发送上网命令 CMD ONLINE表示无法通过访问 网络时, 构建包含访问网络有效数据的扩展数据帧;
所述发送单元设置成: 通过 P2P0接口将所述扩展数据帧发送给中间终 端;
所述接收单元设置成: 接收所述中间终端根据所述扩展数据帧的有效数 据访问网络反馈的应答数据。
8、 如权利要求 8所述的终端, 其中:
所述接收单元还设置成: 接收访问终端发送 CMD— ONLINE无法访问网 络时构建的、 包含访问网络有效数据的扩展数据帧; 接收无线路由发送的扩 展 wifi应答帧;
所述封装单元设置成: 对所述扩展数据帧进行解析, 通过解析获得访问 网络的所述有效信息; 构建扩展 Wifi 帧, 将所述有效信息填充到所述扩展 Wifi帧中; 构建扩展应答数据帧, 将所述扩展 Wifi应答帧填充到所述扩展应 答数据帧中;
所述发送单元还设置成: 将所述封装单元构建的所述扩展 Wifi帧发送给
9、 根据权利要求 8所述的实现 Wifi网络访问的终端, 其中, 所述封装 单元是设置成: 发送 CMD— ONLINE表示无法通过访问网络时, 构建帧体 Framebody中 Oxbc项属性为 0x01 , 有效数据为数据 Sub和 CMD— ONLINE,
10、 根据权利要求 9所述的实现 Wifi网络访问的终端, 其中, 所述封装 单元是设置成:
构建帧控制 Frame Control中帧类型的 TYPE为 11 , 数据类型 Subtype为 有效数据的前 4位, Framebody为有效数据的剩余数据, 除所述帧控制 Frame Control, 数据类型 Subtype和帧体 Framebody外的其他数据按照协议进行填 充的数据帧; 按照封装扩展数据帧的方法, 构建扩展应答数据帧。
11、 一种实现 Wifi访问网络的终端, 包括: 接收单元、 封装单元和发送 单元; 其中,
所述接收单元设置成: 接收访问终端发送上网命令 CMD ONLINE表示 无法访问网络时构建的、 包含访问网络有效数据的扩展数据帧; 接收无线路 由发送的扩展 wifi应答帧;
所述封装单元设置成: 对所述扩展数据帧进行解析, 通过解析获得访问 网络的所述有效信息; 构建扩展 Wifi 帧, 将所述有效信息填充到所述扩展 Wifi帧中; 构建扩展应答数据帧, 将所述扩展 Wifi应答帧填充到所述扩展 应答数据帧中;
所述发送单元设置成: 将所述封装单元构建的所述扩展 Wifi帧发送给无
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