WO2017132961A1 - 通信链路建立方法、协议栈、终端及网络设备 - Google Patents
通信链路建立方法、协议栈、终端及网络设备 Download PDFInfo
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- WO2017132961A1 WO2017132961A1 PCT/CN2016/073565 CN2016073565W WO2017132961A1 WO 2017132961 A1 WO2017132961 A1 WO 2017132961A1 CN 2016073565 W CN2016073565 W CN 2016073565W WO 2017132961 A1 WO2017132961 A1 WO 2017132961A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/30—Security of mobile devices; Security of mobile applications
- H04W12/33—Security of mobile devices; Security of mobile applications using wearable devices, e.g. using a smartwatch or smart-glasses
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
- H04W80/02—Data link layer protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0268—Traffic management, e.g. flow control or congestion control using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/12—Setup of transport tunnels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/27—Transitions between radio resource control [RRC] states
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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
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- 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]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/04—Terminal devices adapted for relaying to or from another terminal or user
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
Definitions
- the present invention relates to the field of wireless communications, and in particular, to a communication link establishment method, a protocol stack, a terminal, and a network device.
- the wearable device may upload the data acquired by the wearable device to the network device by using the relay device, so that the network device provides the service for the wearable device, for example, the data acquired by the wearable device includes the physiological data of the wearer acquired by the wearable device,
- the device can be a smart mobile terminal of the wearer of the wearable device, and the wearable device can also be used as a convenient portable communication tool to provide the wearer with services such as receiving text messages, viewing time and location.
- wearable devices include smart glasses, smart bracelets, smart watches, smart shoes, and the like.
- the wearable device in view of the small size of the wearable device, the small battery capacity, and the low power consumption, the wearable device cannot directly communicate with the network device of the cellular network, and the wearable device needs to pass through the network of the relay device and the cellular network.
- the device communicates.
- the wearable device In a process in which the wearable device needs to communicate with the network device of the cellular network through the relay device, the wearable device sends the data packet to the relay device, and the relay device parses the data packet at the application (application, APP) layer. And regenerating a data packet, the relay device sends the data packet regenerated by the APP layer to the network device.
- the network device identifies that the received data packet is sent by the relay device, and the network device cannot recognize that the data packet sent by the relay device is sent by the wearable device, so that the network device cannot directly directly connect to the wearable device.
- Management not value-added services for wearable devices.
- the prior art has certain security risks.
- the listener may monitor the process in which the wearable device negotiates a key for data packet transmission with the relay device, and the listener uses the monitored key to crack the wearable device and the middle.
- the data packets transmitted between the devices cause security risks to the data packets.
- the wearable device transmits the data packet to the APP layer of the relay device, and the APP layer parses and regenerates the data packet. In the process of becoming a new data packet, there may be a malicious program inside the relay device to obtain a data packet, which also causes a security risk in the data packet.
- the embodiments of the present invention provide a communication link establishment method, a protocol stack, a terminal, and a network device, which are used to establish a communication link between the wearable device and the network device, and implement direct management of the wearable device by the network device, thereby reducing
- the wearable device has a security risk during communication between the relay device and the network device.
- a method for establishing a communication link includes:
- the first terminal establishes a connection with the network device by using the second terminal, and the second terminal establishes a cellular network communication link with the network device;
- the preset protocol is a Bluetooth protocol or a wireless fidelity WIFI protocol, and the communication link based on the preset protocol and the communication link of the cellular network are commonly used by the first terminal to pass the second terminal.
- the network device transmits a data packet; in the process that the first terminal transmits a data packet by using the second terminal and the network device, the first terminal and the second terminal both have a data packet conversion function.
- the data packet conversion function refers to converting a transmitted data packet between a data packet based on a preset protocol and a cellular network data packet.
- the first terminal determines link configuration information, including:
- the first terminal receives the configuration information of the radio bearer sent by the network device, and the first terminal generates the link configuration information according to the configuration information of the radio bearer, where the radio bearer is the first terminal and a radio bearer between the network devices; or,
- the first terminal generates the link configuration information according to the pre-configuration information.
- the first terminal and the second terminal establish a communication chain based on a preset protocol After the road, it also includes:
- the first terminal transmits a data packet to the network device by using the second terminal.
- the first terminal by using the second terminal, to transmit a data packet to the network device, includes:
- the cellular network data packet is transmitted to the network device through the cellular network communication link.
- the first terminal transmits the data packet to the network device by using the second terminal ,include:
- the first terminal converts the data packet based on the preset protocol into the cellular network data packet, and delivers the cellular network data packet to the cellular network module for processing.
- a second aspect of the present invention provides a communication link establishment method, including:
- the network device establishes a connection with the first terminal by using the second terminal, and the second terminal and the network device have established a cellular network communication link;
- the network device sends configuration information, where the configuration information is used to establish a communication link based on a preset protocol between the first terminal and the second terminal;
- the preset protocol is a Bluetooth protocol or a wireless fidelity WIFI protocol, and the communication link based on the preset protocol and the communication link of the cellular network are commonly used by the first terminal to pass the second terminal.
- the network device transmits a data packet; in the process that the first terminal transmits a data packet by using the second terminal and the network device, the first terminal and the second terminal both have a data packet conversion function.
- the data packet conversion function refers to converting a transmitted data packet between a data packet based on a preset protocol and a cellular network data packet.
- the network device establishes a connection with the first terminal by using the second terminal, including:
- the network device receives, by using the second terminal, a request message sent by the first terminal, where the request message is used by the first terminal to establish a connection with the network device.
- the sending, by the network device, the configuration information includes:
- the network device sends the configuration information of the radio bearer to the first terminal and the second terminal, where the configuration information of the radio bearer is used to generate link configuration information, where the link configuration information is used for the first Establishing a communication link based on a preset protocol between the terminal and the second terminal, where the radio bearer is a radio bearer between the first terminal and the network device; or
- the network device sends link configuration information to the first terminal and the second terminal, where the link configuration information is used to establish a preset protocol between the first terminal and the second terminal. Communication link.
- the method further includes:
- the network device transmits a data packet to the first terminal by using the second terminal.
- the network device transmits the data packet to the first terminal by using the second terminal, including:
- the network device Receiving, by the network device, the cellular network data packet sent by the second terminal by using the cellular network communication link, where the cellular network data packet is converted by the second terminal by using a data packet based on a preset protocol,
- the data packet based on the preset protocol is sent by the first terminal to the second terminal by using the communication link based on a preset protocol;
- a third aspect of the present invention provides a communication link establishment method, including:
- the second terminal determines that the first terminal establishes a connection with the network device, and the second terminal establishes a cellular network communication link with the network device;
- the preset protocol is a Bluetooth protocol or a wireless fidelity WIFI protocol, and the communication link based on the preset protocol and the communication link of the cellular network are commonly used by the first terminal to pass the second terminal.
- the network device transmits a data packet; in the process that the first terminal transmits a data packet by using the second terminal and the network device, the first terminal and the second terminal both have a data packet conversion function.
- the data packet conversion function refers to converting a transmitted data packet between a data packet based on a preset protocol and a cellular network data packet.
- the second terminal determines link configuration information, including:
- the second terminal receives the link configuration information sent by the network device.
- the second terminal determines link configuration information, including:
- the second terminal receives configuration information of a radio bearer sent by the network device, where the second The terminal generates the link configuration information according to the configuration information of the radio bearer, where the radio bearer is a radio bearer between the first terminal and the network device.
- the method further includes:
- the second terminal sends the link configuration information to the first terminal.
- the second terminal is established based on the first terminal After the communication link of the preset protocol, it also includes:
- the second terminal receives the pre-precement sent by the first terminal by using the communication link based on the preset protocol. Set the data packet of the agreement;
- the second terminal converts the data packet based on the preset protocol into a cellular network data packet, and sends the cellular network data packet to the network device by using the cellular network communication link.
- the second terminal is established based on the first terminal After the communication link of the preset protocol, it also includes:
- the second terminal receives the cellular network data packet sent by the network device by using the second terminal and the network device to transmit a data packet by using the second terminal;
- a fourth aspect of the present invention provides a network connection determining method, including:
- the first terminal determines that the second terminal can establish a connection with the network device, where the network device is A device in a network to which the second terminal is connected.
- the acquiring, by the first terminal, the identifier of the network to which the second terminal is connected includes:
- first information that is broadcast by the second terminal, where the first information includes an identifier of a network to which the second terminal is connected, and a data packet format of the first information is based on a Bluetooth protocol or a wireless protection True WIFI protocol;
- the first terminal parses the identifier of the network to which the second terminal is connected from the second information.
- the first terminal determines that, after the second terminal establishes a connection with the network device, ,Also includes:
- the first terminal sends a request message to the network device by using the second terminal, where the request message is used by the first terminal to establish a connection with the network device.
- a fifth aspect of the present invention provides a network connection determining method, including:
- the second terminal Determining, by the second terminal, the first information, where the first information includes an identifier of a network to which the second terminal is connected, and the identifier of the network to which the second terminal is connected is used by the first terminal to determine that the second terminal is Establishing a connection with a network device, where the network device is a device in a network to which the second terminal is connected;
- the second terminal broadcasts the first information.
- the second terminal determines the first information, including:
- the third information includes a flag of a network to which the second terminal is connected, and a data packet format of the third information is based on a cellular network protocol;
- the second terminal converts the third information into the first information, and the data format of the first information is based on a Bluetooth protocol or a wireless fidelity WIFI protocol.
- the method further includes:
- the second terminal forwards the request message sent by the first terminal to the network device, where the request message is used by the first terminal to establish a connection with the network device.
- a protocol stack is provided in the system, where the protocol stack is applied to a system in which a first terminal is connected to a network device by using a second terminal, where the protocol stack includes: a first terminal protocol stack, and a second a terminal protocol stack and a network device protocol stack;
- the first terminal protocol stack includes: a cellular network packet synthesis protocol PDCP layer, an adaptation layer, and a preset protocol stack, which are sequentially set from an upper layer to an lower layer; the preset protocol stack is based on a Bluetooth protocol or a wireless fidelity WIFI protocol;
- the second terminal protocol stack includes: a protocol stack on a first interface side between the second terminal and the first terminal, and a second interface side between the second terminal and the network device Protocol stack;
- the protocol stack on the first interface side includes: an adaptation layer and a preset protocol stack that are sequentially set from the upper layer to the bottom layer and are equivalent to the first terminal protocol stack;
- the protocol stack on the second interface side includes: a second radio link control RLC layer, a second medium access control MAC layer, and a second physical PHY layer, which are sequentially disposed from an upper layer to an lower layer;
- the network device protocol stack includes: a cellular network PDCP layer that is sequentially disposed from the upper layer to the bottom layer and is equal to the first terminal protocol stack, and a second RLC layer that is equivalent to the protocol stack of the second interface side, a second MAC layer and a second PHY layer;
- a cellular network radio resource control RRC layer is disposed on the cellular network PDCP layer of the first terminal protocol stack, and the network device protocol stack is set on the cellular network PDCP layer.
- the first terminal and the second terminal transmit a data packet by using a communication link based on a preset protocol, where the preset protocol is a Bluetooth protocol or WIFI agreement;
- a cellular network RLC is disposed between the PDCP layer and the adaptation layer of the cellular network in the first terminal protocol stack.
- a cellular network RLC layer that is equivalent to the first terminal protocol stack is disposed under the PDCP layer of the cellular network in the network side protocol stack.
- the adaptation layer is configured to:
- the second terminal and the network device transmit a data packet by using a cellular network communication link
- a second PDCP layer is disposed on the second RLC layer of the second terminal protocol stack
- a second PDCP layer that is equivalent to the second terminal protocol stack is disposed;
- the second PDCP layer is configured to implement a function for the secure processing of the data packet negotiated by the second terminal and the network device.
- the adaptation layer in the protocol stack on the first interface side is used to implement the second interface The function of the second PDCP layer or the second RLC layer in the side protocol stack to transmit the data packet.
- the preset protocol stack is based on a Bluetooth protocol, and the preset protocol stack is sequentially disposed from the upper layer to the bottom layer: a logical link control and adaptation protocol L2CAP layer, a first PHY layer; or
- the preset protocol stack is based on the WIFI protocol, and the preset protocol stack is sequentially disposed from the upper layer to the bottom layer: a first MAC layer and a first PHY layer.
- a first terminal provided by the embodiment of the present invention includes:
- a network connection unit configured to establish, by using the second terminal, the first terminal to establish a connection with the network device, where the second terminal and the network device have established a cellular network communication link;
- a link establishing unit configured to implement, by using the second terminal, the first terminal and the network connection unit After the network device establishes the connection, determining the link configuration information, and establishing, according to the link configuration information, a communication link based on the preset protocol between the first terminal and the second terminal;
- the preset protocol is a Bluetooth protocol or a wireless fidelity WIFI protocol, and the communication link based on the preset protocol and the communication link of the cellular network are commonly used by the first terminal to pass the second terminal. Transmitting, by the network device, a data packet;
- a protocol adaptation unit configured to: after the link establishing unit establishes a communication link between the first terminal and the second terminal based on a preset protocol, after the first terminal passes the second terminal and During the process of transmitting the data packet by the network device, the data packet to be transmitted inside the first terminal is converted between the data packet based on the preset protocol and the data packet of the cellular network, and the data packet is transmitted.
- the link establishing unit determines the link configuration information, specifically:
- the link configuration information is generated according to the pre-configuration information.
- the method further includes:
- a data packet transmission unit configured to transmit a data packet to the network device by using the second terminal.
- the data packet transmission unit is specifically configured to:
- the second terminal Transmitting the data packet based on the preset protocol to the second terminal by using the preset protocol-based communication link, so that the second terminal converts the received preset protocol-based data packet into After the cellular network data packet, the cellular network data packet is sent to the network device through the cellular network communication link.
- the data packet transmission unit is specifically configured to:
- the eighth aspect of the present invention provides a network device, including:
- a network connection unit configured to establish, by using the second terminal, a network device to establish a connection with the first terminal, where the second terminal and the network device have established a cellular network communication link;
- a configuration information sending unit configured to send configuration information after the network connection unit establishes a connection between the network device and the first terminal by using the second terminal, where the configuration information is used by the first terminal and the second Establishing a communication link based on a preset protocol between the terminals;
- the preset protocol is a Bluetooth protocol or a wireless fidelity WIFI protocol, and the communication link based on the preset protocol and the communication link of the cellular network are commonly used by the first terminal to pass the second terminal.
- the network device transmits a data packet; in the process that the first terminal transmits a data packet by using the second terminal and the network device, the first terminal and the second terminal both have a data packet conversion function.
- the data packet conversion function refers to converting a transmitted data packet between a data packet based on a preset protocol and a cellular network data packet.
- the network connection unit is specifically configured to:
- the configuration information sending unit is specifically configured to:
- the bearer configuration information is used to generate link configuration information, where the link configuration information is used to establish a communication link based on a preset protocol between the first terminal and the second terminal, where the radio bearer is a radio bearer between the first terminal and the network device; or
- the method further includes:
- a data packet transmission unit configured to transmit a data packet by using the second terminal and the first terminal.
- the data packet transmission unit is specifically configured to:
- a ninth aspect, the second terminal provided by the embodiment of the present invention includes:
- a network connection determining unit configured to determine that the first terminal establishes a connection with the network device, where the second terminal and the network device have established a cellular network communication link;
- a link establishing unit configured to determine, at the network connection determining unit, the first terminal and the network device After the connection is established, determining link configuration information, and establishing, according to the link configuration information, a communication link based on a preset protocol between the second terminal and the first terminal;
- the preset protocol is a Bluetooth protocol or a wireless fidelity WIFI protocol, and the communication link based on the preset protocol and the communication link of the cellular network are commonly used by the first terminal to pass the second terminal. Transmitting, by the network device, a data packet;
- a protocol adaptation unit configured to: after the link establishing unit establishes a communication link based on a preset protocol between the second terminal and the first terminal, by using the second terminal and the first terminal In the process of transmitting a data packet by the network device, the data packet to be transmitted inside the second terminal is converted between the data packet based on the preset protocol and the data packet of the cellular network, and the data packet is transmitted.
- the link establishing unit determines the link configuration information, specifically:
- the link establishing unit determines the link configuration information, specifically:
- the link establishing unit is further configured to:
- the method further includes:
- a first data packet transmission unit configured to receive the first terminal by using the communication link based on a preset protocol in a process in which the first terminal transmits a data packet by using the second terminal and the network device Transmitting a data packet based on a preset protocol; converting the data packet based on the preset protocol into a cellular network data packet, and transmitting the cellular network data packet to the network device by using the cellular network communication link.
- the method further includes:
- a second data packet transmission unit configured to receive, by the first terminal, a cellular network sent by the network device by using the cellular network communication link in a process of transmitting a data packet by using the second terminal and the network device Transmitting the cellular network data packet into a data packet based on a preset protocol, and transmitting the data packet based on the preset protocol to the first terminal by using the communication link based on a preset protocol.
- a network connection determining apparatus where the application is related to the first terminal, includes:
- a network identifier obtaining unit configured to acquire an identifier of a network to which the second terminal is connected
- a network connection determining unit configured to: when the identifier of the network connected to the second terminal acquired by the network identifier acquiring unit is consistent with the identifier of the network that the first terminal subscribes to, determining that the first terminal can pass the The second terminal establishes a connection with the network device, where the network device is a device in a network to which the second terminal is connected.
- the network identifier obtaining unit is specifically configured to:
- the first information includes an identifier of a network to which the second terminal is connected, and a data packet format of the first information is based on a Bluetooth protocol or a wireless fidelity WIFI protocol;
- Converting the first information into second information the data packet format of the second information is based on a cellular network protocol
- the method further includes:
- a network connection establishing unit configured to send, by using the second terminal, a request message to the network device, where the request message is used by the first terminal to establish a connection with the network device.
- a network connection determining apparatus is applied to a second The terminal includes:
- An information determining unit configured to determine first information, where the first information includes an identifier of a network to which the second terminal is connected, and an identifier of a network to which the second terminal is connected is used by the first terminal to determine that the The second terminal establishes a connection with the network device, where the network device is a device in a network to which the second terminal is connected;
- an information sending unit configured to broadcast the first information determined by the information determining unit.
- the information determining unit is specifically configured to:
- third information includes a flag of a network to which the second terminal is connected, and a data packet format of the third information is based on a cellular network protocol;
- Converting the third information into the first information, and the data packet format of the first information is based on a Bluetooth protocol or a wireless fidelity WIFI protocol.
- the method further includes:
- a network connection establishing unit configured to forward, to the network device, a request message sent by the first terminal, where the request message is used by the first terminal to establish a connection with the network device.
- a protocol stack and a method for establishing a communication link establish a secure connection between the first terminal and the network device, and can implement direct management of the first terminal by the network device, for example, a network device. Value-added services can be performed on the first terminal.
- the communication link based on the Bluetooth protocol or the WIFI protocol established between the first terminal and the second terminal avoids the process of regenerating the data packet when the second terminal forwards the data packet in the prior art, thereby reducing the data packet transmission. There are security risks in the process.
- the protocol stack provided by the embodiment of the present invention is equivalent to the first terminal directly connected to the base station in the network device through the UU interface, so that the compatibility of the core network can be maintained; Directly managing, the network device saves information such as the context of the first terminal, even if the distance between the second terminal and the first terminal as the relay device is far, and the connection between the first terminal and the second terminal is caused. When disconnected, the network device can quickly restore the transmission capability of the service data, reduce the complexity of the mobility processing process, and thus reduce the delay.
- 1a is a schematic structural diagram of a user plane protocol stack according to an embodiment of the present invention.
- 1b is a schematic structural diagram of a control plane protocol stack according to an embodiment of the present invention.
- 2a is a schematic structural diagram of an adaptation layer in a first terminal protocol stack according to an embodiment of the present invention
- 2b is a schematic structural diagram of an adaptation layer in a second terminal protocol stack according to an embodiment of the present invention.
- FIG. 3 is a schematic flowchart of a method for establishing a communication link according to an embodiment of the present invention
- FIG. 4 is a schematic flowchart of a method for determining a network connection according to an embodiment of the present invention
- FIG. 5 is a schematic flowchart of a method for establishing a communication link according to an embodiment of the present invention
- FIG. 6 is a schematic flowchart of a method for establishing a communication link according to an embodiment of the present invention.
- FIG. 7 is a schematic flowchart of a method for establishing a communication link according to an embodiment of the present invention.
- FIG. 8 is a schematic structural diagram of a first terminal according to an embodiment of the present disclosure.
- FIG. 9 is a schematic structural diagram of a network device according to an embodiment of the present disclosure.
- FIG. 10 is a schematic structural diagram of a second terminal according to an embodiment of the present disclosure.
- FIG. 11 is a schematic structural diagram of a network connection determining apparatus according to an embodiment of the present invention.
- FIG. 12 is a schematic structural diagram of a network connection determining apparatus according to an embodiment of the present invention.
- FIG. 13 is a schematic structural diagram of a first terminal according to an embodiment of the present disclosure.
- FIG. 14 is a schematic structural diagram of a network device according to an embodiment of the present disclosure.
- FIG. 15 is a schematic structural diagram of a second terminal according to an embodiment of the present invention.
- the embodiments of the present invention provide a communication link establishment method, a protocol stack, a terminal, and a network device, which are used to establish a communication link between the wearable device and the network device, and implement the network device to the wearable device.
- the direct management of the backup reduces the security risks in the process of communication between the wearable device and the network device through the relay device.
- the method and the device are based on the same inventive concept. Since the principles of the method and the device for solving the problem are similar, the implementation of the device and the method can be referred to each other, and the repeated description is not repeated.
- the technical solution provided by the embodiment of the present invention is applicable to a Long Term Evolution (LTE) system.
- the technical solution provided by the embodiment of the present invention establishes a secure communication link between the first terminal and the network device, and the first terminal passes the The second terminal communicates with the network device, and the network device can directly manage the first terminal.
- LTE Long Term Evolution
- the first terminal includes a wearable device, which may also be referred to as a remote device, and the wearable device includes smart glasses, a smart bracelet, a smart watch, a smart shoe, and the like.
- the second terminal includes a relay device, such as a smart mobile terminal such as a mobile phone, and the network device includes a device in a cellular network to which the second terminal is connected.
- the network device may be a base station.
- the first terminal communicates with the network device through the second terminal.
- the first terminal is connected to the second terminal by a communication link based on a Bluetooth Low Noise (BLE) protocol or a Wireless Fidelity (WIFI) protocol, and the second terminal is connected to the network device in the cellular network .
- BLE Bluetooth Low Noise
- WIFI Wireless Fidelity
- FIG. 1a is a user plane protocol stack
- FIG. 1b is a control plane protocol stack
- the protocol stack 10 application shown in FIG. 1a and FIG. In the system in which the first terminal is connected to the network device through the second terminal.
- the user plane protocol stack 10 in FIG. 1a includes a first terminal protocol stack 11, a second terminal protocol stack 12, and a network device protocol stack 13.
- the first terminal protocol stack 11 includes a Packet Data Convergence Protocol (PDCP) layer 111, an adaptation layer 112, and a preset protocol stack 113, which are sequentially disposed from the upper layer to the bottom layer.
- the preset protocol stack 113 is based on the Bluetooth protocol or the WIFI protocol;
- the adaptation layer 112 is configured to implement a function of converting a data packet between a data packet based on a preset protocol and a cellular network data packet, and is configured to implement a configuration preset protocol.
- the function of the parameter information of the stack 113 is configured to implement a configuration preset protocol.
- the preset protocol stack 113 is based on the Bluetooth protocol, and the preset protocol stack 113 is sequentially provided with a logical link from the upper layer to the bottom layer.
- Control and Adaptation Protocol Logical Link Control and Adaptation Protocol, L2CAP
- L2CAP Logical Link Control and Adaptation Protocol
- the preset protocol stack 113 is based on the WIFI protocol, and the preset protocol stack 113 is sequentially configured with the first MAC layer from the upper layer to the bottom layer.
- the first PHY layer is based on the WIFI protocol, and the preset protocol stack 113 is sequentially configured with the first MAC layer from the upper layer to the bottom layer.
- the second terminal protocol stack 12 includes: a protocol stack on the first interface 11-12 side between the second terminal and the first terminal, and a protocol stack on the second interface 12-13 side between the second terminal and the network device;
- the first interface 11-12 is an E-PC5-Bluetooth interface or an E-PC5-WIFI interface
- the second interface 12-13 is a UU interface. among them,
- the protocol stack on the side of the first interface 11-12 includes: an adaptation layer 112 and a preset protocol stack 113 that are sequentially disposed from the upper layer to the bottom layer and are aligned with the first terminal protocol stack 11;
- the adaptation layer 112 in the protocol stack on the first interface 11-12 side is used to implement the function of converting the data packet between the data packet based on the preset protocol and the cellular network data packet, and is used to implement the configuration preset protocol stack.
- the protocol stack on the second interface 12-13 side includes: a second radio link control (RLC) layer 114 and a second medium access control (MAC) layer 115 that are sequentially disposed from the upper layer to the bottom layer. And a second physical (physical, PHY) layer 116; the adaptation layer 112 in the protocol stack on the first interface 11-12 side is further configured to implement the second RLC layer 114 in the protocol stack on the side of the second interface 12-13 The function of transmitting data packets.
- RLC radio link control
- MAC medium access control
- the network device protocol stack 13 includes a cellular network PDCP layer 111 that is sequentially disposed from the upper layer to the bottom layer, and a second RLC layer 114 that is peered with the protocol stack on the second interface 12-13 side.
- the cellular network PDCP layer 111 is configured to implement a function for secure processing of data packets negotiated by the first terminal and the network device.
- the second terminal and the network device transmit the data packet through the cellular network communication link.
- a cellular network RLC layer 117 is disposed between the cellular network PDCP layer 111 and the adaptation layer 112 in the first terminal protocol stack 11;
- a cellular network RLC layer 117 that is equivalent to the first terminal protocol stack 11 is disposed under the cellular network PDCP layer 111 in the network side protocol stack.
- a second PDCP layer 118 is disposed on the second RLC layer 114 of the second terminal protocol stack 12;
- a second PDCP layer 118 that is equivalent to the second terminal protocol stack 12 is disposed between the cellular network PDCP layer 111 and the second RLC layer 114 of the network device protocol stack 13;
- the second PDCP layer 118 is configured to implement a function of the secure processing of the data packet negotiated by the second terminal and the network device.
- the adaptation layer 112 in the protocol stack on the first interface 11-12 side is further configured to implement a function of transmitting a data packet with the second PDCP layer 118 in the protocol stack on the second interface 12-13 side.
- a cellular network MAC layer 120 is disposed under the cellular network PDCP layer 111 in the first protocol stack 11;
- a cellular MAC layer 120 that is peered with the first protocol stack 11.
- the first terminal transmits the data packet from the cellular network module to the network device through the second terminal after performing security processing on the PDCP layer of the cellular network.
- the network device sends the data packet from the core network to the first terminal through the second terminal after performing security processing on the PDCP layer of the cellular network.
- the control plane protocol stack 10 shown in FIG. 1b includes a first terminal protocol stack 11, a second terminal protocol stack 12, and a network device protocol stack 13, and the control plane protocol stack 10 shown in FIG. 1b is in the user plane protocol shown in FIG.
- a cellular network radio resource control (RRC) layer 119 is disposed on the cellular network PDCP layer 111 of the first terminal protocol stack 11.
- the cellular network PDCP layer 111 of the network device protocol stack 13 is provided with the first terminal.
- Protocol stack 11 peer-to-peer cellular RRC layer 119.
- the RRC layer 119 is configured to manage a parameter configuration when the first terminal is connected to the network device, configure a security parameter for transmitting data packets and signaling between the first terminal and the network device, and configure a bearer of the first terminal, where the first terminal
- the bearer includes a first radio bearer connected to the network and a bearer of the network device to the core network.
- the adaptation layer 112 includes a protocol packet conversion unit 1121 and a configuration unit 1122. among them,
- the protocol packet conversion unit 1121 is configured to implement a function of converting a data packet between a Bluetooth protocol-based data packet and a cellular network data packet (ie, a packet based on a cellular network protocol), or to package the data in a WIFI protocol-based data.
- a cellular network data packet ie, a packet based on a cellular network protocol
- the ability to convert between packets and cellular packets Specifically, based on the Bluetooth protocol or the WIFI protocol, the protocol packet conversion unit 1121 performs endian conversion of the data packet, and/or adds or deletes part of the header content of the data packet.
- the protocol packet conversion unit 1121 converts the cellular network data packet generated by the cellular network module into a data packet based on the Bluetooth protocol or the WIFI protocol, so that the first terminal transmits the converted data packet to the second terminal.
- the protocol packet conversion unit 1121 converts the Bluetooth protocol or WIFI protocol-based data packet from the second terminal into a cellular network data packet, and delivers it to the cellular network module for further processing.
- the protocol layer of the cellular network module includes at least a cellular network RRC layer and/or a cellular network PDCP layer.
- the configuration unit 1122 is configured to implement the function of configuring the parameter information of the preset protocol stack 113, and can also be used to implement the quality of service (QoS) level mapping of the data packets of the radio bearer.
- the configuration unit 1122 is configured to configure parameters of each protocol layer in the preset protocol stack 113 based on the Bluetooth protocol or the WIFI protocol according to the bearer configuration information of the cellular network.
- the radio bearer configuration information of the cellular network usually includes configuration parameters of the cellular network RLC layer and/or the cellular network MAC layer.
- the purpose of these configuration parameters is to ensure reliable transmission of data and a certain data transmission rate of the protocol transmitting end and the receiving end. .
- the correspondence between the bearer configuration information of the cellular network and the configuration information under the Bluetooth protocol is as follows:
- the L2CAP layer in the Bluetooth protocol-based preset protocol stack should be configured to have a mode of receiving acknowledgement; when the cellular MAC layer is configured with a guaranteed bit rate ( When Guaranteed Bit Rate (PBR), the number of channels configured under the Bluetooth protocol should satisfy the value of PBR. or,
- the bearer configuration information of the cellular network includes a QoS Class Identifier (QCI), and the QCI value corresponds to the data transmission rate and the data transmission mode under the Bluetooth protocol (including the acknowledged transmission). Transmission mode, retransmission transmission mode, and unacknowledged transmission mode). According to the QCI, the number of channels of the L2CAP layer, the maximum value of the data packet, and the number of retransmissions are configured.
- QCI QoS Class Identifier
- the adaptation layer 112 includes a protocol packet conversion unit 1121.
- the adaptation layer 112 shown in Figure 2b differs from the adaptation layer 112 shown in Figure 2a in that the adaptation layer 112 shown in Figure 2b adds a packet forwarding unit 1123 for implementing the adaptation layer. 112.
- the protocol packet conversion unit 1121 converts the Bluetooth protocol or WIFI protocol-based data packet from the first terminal into a cellular network data packet
- the data packet forwarding unit 1123 delivers the cellular network data packet to the second data packet.
- the RLC layer or the second PDCP layer thereby implementing the second terminal to send the cellular network data packet to the network device.
- the data packet forwarding unit 1123 receives the cellular network data packet from the second RLC layer or the second PDCP layer, and the data packet forwarding unit 1123 delivers the cellular network data packet to the protocol data packet conversion unit 1121, the protocol The packet conversion unit 1121 converts the cellular network data packet into a data packet based on the Bluetooth protocol or the WIFI protocol, thereby implementing the second terminal to send the data packet based on the Bluetooth protocol or the WIFI protocol to the first terminal.
- the adaptation layer in the protocol stack may be an independent entity to implement the functions of the protocol layer, and may also implement the functions of the adaptation layer through other existing protocol layers.
- the function of the configuration unit 1122 of the adaptation layer is implemented by the cellular network RRC layer
- the functions of the protocol packet conversion unit 1121 and the packet forwarding unit 1123 of the adaptation layer are implemented by the PDCP layer of the cellular network.
- the protocol stack provided by the embodiment of the present invention can establish a secure communication link between the first terminal and the network device, thereby implementing the purpose of direct management of the first terminal by the network device.
- a method for establishing a communication link according to an embodiment of the present invention is described in detail below with reference to a protocol stack provided by an embodiment of the present invention.
- the method between the first terminal, the second terminal, and the network device includes:
- the first terminal establishes a connection with the network device by using the second terminal.
- the second terminal and the network device have established a cellular network communication link.
- S302 The network device sends configuration information.
- the configuration information sent by the network device is used to determine link configuration information of the first terminal and the second terminal, where the link configuration information is used by the first terminal to establish a communication link based on a preset protocol with the second terminal.
- the default protocol refers to the Bluetooth protocol or the WIFI protocol.
- the first terminal and the second terminal respectively determine link configuration information, and establish, according to the link configuration information, a communication link based on a preset protocol between the first terminal and the second terminal.
- the communication link and the cellular communication link based on the preset protocol are used by the first terminal to transmit the data packet through the second terminal and the network device; in the process that the first terminal transmits the data packet through the second terminal and the network device, Both the terminal and the second terminal have a data packet conversion function, and the data packet conversion function refers to converting the transmitted data packet between the data packet based on the preset protocol and the cellular network data packet.
- the first terminal establishes a connection with the network device by using the second terminal
- the embodiment of the present invention further provides a network connection determining method, as shown in FIG. 4, between the first terminal, the second terminal, and the network device.
- the interaction process is as follows:
- the second terminal determines first information, where the first information includes an identifier of a network to which the second terminal is connected.
- the identifier of the network to which the second terminal is connected is used by the first terminal to determine whether a connection can be established with the network device by using the second terminal, where the network device is a device in the network to which the second terminal is connected.
- the first information includes one or a combination of the following:
- PLMN Public Lands Mobile Networ
- cell ID cell identity
- device identity device identity
- IP Internet Protocol
- the PLMN identifier refers to the identifier of the cellular network to which the second terminal is connected, for example, China Mobile;
- the cell identifier refers to the identifier of the cell where the second terminal is currently camped or the identifier of the cell currently served by the second terminal;
- the identifier of the network device (base station or core network device) of the cellular network to which the second terminal is connected is assigned to the second terminal, where the identifier is used to indicate that the second terminal can serve as a relay device;
- the IP address of the base station refers to IP address of the base station of the cellular network to which the second terminal is connected site.
- the second terminal determines the first information by receiving the third information sent by the network device.
- the third information includes at least a flag of the network to which the second terminal is connected, the data packet format of the third information is based on a cellular network protocol, and the third information may include partial information or all information included in the first information.
- the second terminal converts the third information from the network device into the first information through the adaptation layer, and the data packet format of the first information is based on the Bluetooth protocol or the WIFI protocol.
- the second terminal acquires the third information by receiving an RRC message broadcast by the network device, where the RRC message broadcast by the network device includes the third information.
- the second terminal broadcasts the first information.
- the adaptation layer of the second terminal protocol stack converts the first information based on the Bluetooth protocol, and then delivers the first information to the preset protocol stack based on the Bluetooth protocol.
- the L2CAP layer and instructs to transmit the first information using a Bluetooth broadcast channel.
- the L2CAP layer in the preset protocol stack based on the Bluetooth protocol periodically sends the first information.
- the first information may be periodically sent by defining a period default of the preset protocol stack based on the Bluetooth protocol, or the L2CAP layer in the preset protocol stack based on the Bluetooth protocol may be periodically sent by the adaptation layer to periodically send the first information. .
- the second terminal broadcasts the first information through the WIFI broadcast channel, and after the adaptation layer of the second terminal protocol stack converts the first information based on the WIFI protocol, the first information is delivered to the preset protocol stack based on the WIFI protocol.
- the first MAC layer indicates that the first MAC layer sends the first information by using a Traffic Indication Map (TIM) field in a Beacon frame.
- TIM Traffic Indication Map
- All bits in the Asocaition ID in the TIM domain are set to 1.
- the content sent by the TIM domain is called the base station temporary storage frame.
- the base station temporary storage frame is periodically transmitted.
- the receiving end of the base station temporary storage frame refers to the corresponding WIFI receiving end when the bits in the Assocaition ID are set to 1, that is, the corresponding The first terminal in the embodiment of the invention. Setting all the bits in the Assocaition ID to 1 indicates that all the first terminals can receive the first information sent by using the TIM domain within the coverage of the WIFI signal of the second terminal as the relay device.
- the first terminal After receiving the first information broadcast by the second terminal, the first terminal includes, according to the first information, The identifier of the network connected to the second terminal determines whether the connection can be established with the network device by using the second terminal.
- the first terminal according to its own module underlying protocol (including the Bluetooth protocol or the WIFI protocol), the RRC layer of the first terminal initiates a search network mode for implementing a broadcast channel corresponding to the Bluetooth channel or a broadcast channel based on the WIFI protocol.
- the first information broadcast by the second terminal There are two types of search network modes here, one is to search for a relay device for a first terminal to connect to a network device, that is, a second terminal, and the other is to search for broadcast information of a cellular network.
- the first terminal first searches for the relay device for connecting the network device to the first terminal, and after a certain period of time The terminal still does not search for available relay devices, and the first terminal searches for broadcast information of the cellular network.
- the RRC layer of the first terminal initiates a search network mode, and indicates that the preset protocol stack based on the Bluetooth protocol or the WIFI protocol receives the first information broadcast by the second terminal, and the data packet format of the first information is based on a Bluetooth protocol or wireless fidelity.
- a WIFI protocol the first terminal converts the first information into the second information by using an adaptation layer, and the data packet format of the second information is based on a cellular network protocol; the adaptation layer submits the second information to the RRC layer of the cellular network to obtain the first The identifier of the network to which the second terminal is connected.
- the first terminal determines that the second terminal can establish a connection with the network device, where the network device is the device in the network to which the second terminal is connected.
- the first terminal determines that the second terminal cannot establish a connection with the network device.
- the first terminal after the first terminal determines that the second terminal can establish a connection with the network device, the first terminal sends a request message to the network device by using the second terminal, where the request message is used by the first terminal to establish a connection or maintain a connection with the network device.
- S302 and S303, S302 includes configuration information that is sent by the network device, and S303 includes the first terminal and the second terminal respectively determining link configuration information, and establishing the first terminal and the second according to the link configuration information.
- the communication link based on the preset protocol between terminals can be implemented by the following four methods:
- Method 1 As shown in FIG. 5, the interaction process between the first terminal, the second terminal, and the network device is as follows:
- the network device sends configuration information of the radio bearer to the first terminal and the second terminal, respectively.
- the radio bearer is a radio bearer between the first terminal and the network device.
- the first terminal generates link configuration information according to configuration information of the radio bearer.
- the second terminal generates link configuration information according to the configuration information of the radio bearer.
- the first terminal and the second terminal establish a communication link based on a preset protocol between the first terminal and the second terminal according to the link configuration information.
- a Bluetooth protocol-based communication link is established between the first terminal and the second terminal, and the adaptation layer establishes a Bluetooth protocol-based communication link between the first terminal and the second terminal according to the configuration information of the wireless bearer.
- the adaptation layer maps the QoS parameter of the radio bearer to the QoS parameter of the Bluetooth protocol, and then generates link configuration information, including configuration parameters of the preset protocol stack based on the Bluetooth protocol, that is, the configuration parameter including the L2CAP layer and the a configuration parameter of the PHY layer, the adaptation layer sends the configuration parameter of the L2CAP layer and the configuration parameter of the first PHY layer to the preset protocol stack based on the Bluetooth protocol, so that the default protocol stack based on the Bluetooth protocol is configured according to the L2CAP layer configuration parameter.
- the configuration parameters of the first PHY layer to set parameters of the internal L2CAP layer and parameters of the first PHY layer.
- a Bluetooth-based communication link between the first terminal and the second terminal can be established, and the Bluetooth-based protocol can be utilized subsequently.
- the communication link and the cellular communication link between the second terminal and the network device enable the first terminal to transmit data packets between the second terminal and the network device.
- the adaptation layer establishes a Bluetooth protocol-based communication link between the first terminal and the second terminal according to the configuration information of the radio bearer, and can implement a one between the radio bearer between the first terminal and the network device and the channel of the L2CAP layer.
- all the radio bearers between the first terminal and the network device may be corresponding to one channel of the L2CAP layer.
- the modification to the Bluetooth protocol in this embodiment is to add a protocol indication to point in the Protocol/Service Multiplexer (PSM).
- PSM Protocol/Service Multiplexer
- Adaptation layer The adaptation layer of the second terminal also needs to configure the mapping forwarding function between the channel of the L2CAP layer and the cellular module, including the mapping relationship between the identifier of the radio bearer and the channel identification (CID), and is forwarded to the second terminal.
- the function of adding the packet header information and deleting the packet header information is used to implement the function of the second terminal forwarding the data packet of the first terminal to the network device.
- the adaptation layer establishes a communication link based on the WIFI protocol between the first terminal and the second terminal according to the configuration information of the radio bearer. Specifically, the adaptation layer generates link configuration information according to the QoS parameter of the radio bearer, including configuration parameters of the preset protocol stack based on the Bluetooth protocol, that is, the configuration parameters of the first MAC layer and the configuration parameters of the first PHY layer.
- the configuration layer sends the configuration parameter of the first MAC layer and the configuration parameter of the first PHY layer to the preset protocol stack based on the WIFI protocol, so that the preset protocol stack based on the WIFI protocol is configured according to the configuration parameters of the first MAC layer and the first PHY.
- the configuration parameters of the layer are used to set the parameters of the first MAC layer and the parameters of the first PHY layer.
- the first terminal and the second terminal do not need to distinguish the service flow, but need to distinguish the QoS level of the radio bearer, and the adaptation layer.
- the data packets of the radio bearers belonging to the same QoS class are assembled and sent to the first MAC layer, and the adaptation layer is used to implement the function of performing QoS level mapping on the data packets of the radio bearers.
- the adaptation layer is only used to implement the function of performing QoS level mapping on the data packet of the radio bearer;
- the network PDCP layer does not add the identifier of the first terminal and the identifier of the radio bearer to the data packet of the radio bearer, and the adaptation layer is used to implement the QoS level mapping function on the data packet of the radio bearer, and is also used to implement the radio bearer.
- the data packet adds the function of the identity of the first terminal and the identity of the radio bearer.
- the adaptation layer of the second terminal is further configured to implement a mapping forwarding function between the configuration of the cellular network module and the preset protocol stack based on the WIFI protocol.
- Method 2 As shown in FIG. 6, the interaction process between the first terminal, the second terminal, and the network device is as follows:
- the network device sends link configuration information to the first terminal and the second terminal, respectively.
- the first terminal and the second terminal establish a communication link based on a preset protocol between the first terminal and the second terminal according to the link configuration information.
- the method shown in FIG. 6 includes establishing a Bluetooth protocol-based communication link between the first terminal and the second terminal, or establishing a communication link based on the WIFI protocol between the first terminal and the second terminal.
- the difference from the method of establishing a communication link shown in FIG. 5 is:
- the network device Establishing a Bluetooth protocol-based communication link between the first terminal and the second terminal, the network device generates link configuration information according to the configuration information of the radio bearer, where the link configuration information is used to establish a relationship between the first terminal and the second terminal.
- a communication link based on the Bluetooth protocol That is, the network device generates link configuration information according to the QoS parameter of the radio bearer, including configuration parameters of the preset protocol stack based on the Bluetooth protocol, that is, the configuration parameters including the L2CAP layer and the configuration parameters of the first PHY layer, and the network device will be the L2CAP layer.
- the configuration parameter and the configuration parameter of the first PHY layer are sent to the first terminal and the second terminal, and the Bluetooth protocol-based preset protocol stack of the first terminal and the second terminal is configured according to the configuration parameter of the L2CAP layer and the configuration parameter of the first PHY layer.
- the Bluetooth protocol-based preset protocol stack of the first terminal and the second terminal is configured according to the configuration parameter of the L2CAP layer and the configuration parameter of the first PHY layer.
- a Bluetooth-based communication link between the first terminal and the second terminal can be established, and the Bluetooth-based protocol can be utilized subsequently.
- the communication link and the cellular communication link between the second terminal and the network device enable the first terminal to transmit data packets between the second terminal and the network device.
- the network device Establishing a communication link based on the WIFI protocol between the first terminal and the second terminal, the network device generates link configuration information according to the configuration information of the radio bearer, where the link configuration information is used to establish a relationship between the first terminal and the second terminal.
- Communication link based on WIFI protocol That is, the network device generates the link configuration information according to the QoS parameter of the radio bearer, including the configuration parameters of the preset protocol stack based on the WIFI protocol, that is, the configuration parameters of the first MAC layer and the configuration parameters of the first PHY layer, and the network device will be configured.
- the configuration parameters of the MAC layer and the configuration parameters of the first PHY layer are sent to the preset protocol stack based on the WIFI protocol, so that the default protocol stack based on the WIFI protocol of the first terminal and the second terminal is based on the first MAC
- the configuration parameters of the layer and the configuration parameters of the first PHY layer are used to set the parameters of the first MAC layer and the parameters of the first PHY layer.
- Method 3 As shown in FIG. 7, the interaction process between the first terminal, the second terminal, and the network device is as follows:
- the network device sends configuration information of the radio bearer to the second terminal.
- the radio bearer is a radio bearer between the first terminal and the network device.
- the second terminal generates link configuration information according to the configuration information of the radio bearer.
- the second terminal sends the link configuration information to the first terminal.
- the first terminal and the second terminal establish a communication link based on a preset protocol between the first terminal and the second terminal according to the link configuration information.
- the method shown in FIG. 7 includes establishing a Bluetooth protocol-based communication link between the first terminal and the second terminal, or establishing a communication link based on the WIFI protocol between the first terminal and the second terminal.
- the difference from the method of establishing a communication link as shown in FIGS. 5 and 6 is:
- the network device sends the configuration information of the radio bearer to the second terminal, where the second terminal generates the link configuration information, and the second terminal sends the link configuration information to the first terminal, and then the first terminal and the second terminal according to the chain
- the path configuration information is used to set a preset protocol stack of its own, including a preset protocol stack based on the Bluetooth protocol or a preset protocol stack based on the WIFI protocol.
- the communication link between the first terminal and the second terminal based on the preset protocol may be established, and the specific process and FIG. 5 or FIG. 6 is similar and will not be described here.
- Method 4 When the first terminal establishes a connection with the network device by using the second terminal, the first terminal and the second terminal receive the RRC message broadcasted by the network device, and learn that the cellular network system of the network device is an LTE system, and generates pre-configuration information.
- the adaptation layer generates link configuration information according to the pre-configuration information, and the adaptation layer sends the link configuration information to the preset protocol stack, including a preset protocol stack based on the Bluetooth protocol. Or a preset protocol stack based on the WIFI protocol.
- the preset protocol stack sets parameters of each protocol layer in its own according to the link configuration information.
- the communication link between the first terminal and the second terminal based on the preset protocol may be established, and the specific process and FIG. 5 to FIG. 7 is similar and will not be described here.
- the pre-configuration information may include one or a combination of the following:
- the initial bearer configuration information includes: a configuration information of a protocol layer in the preset protocol stack, where the adaptation layer can generate configuration information of the protocol layer in the preset protocol stack according to the initial bearer configuration information.
- Initial link configuration information under the Bluetooth protocol and configuration parameters of the L2CAP layer for example, a data transmission mode, a maximum packet length, a number of channels of the first PHY layer, and the like;
- Configuration parameters under the WIFI protocol for example, the transmit power level, the length of the listening window, etc.;
- the transmission quality reference value in the cellular network includes the link rate, the maximum delay of packet transmission, and the like, for example, the transmission quality reference value shown in Table 1 below.
- QCI Data rate Packet transmission maximum delay 0 20kbps 300ms 1 32kbps 200ms 2 64kbps 200ms 3 128kbps 200ms 4 512kbps 100ms 5 1024 kbps 100ms 6 2048kbps 100ms 7 2048kbps 50ms
- the communication link based on the preset protocol (the communication link between the first terminal and the second terminal) and the communication link of the cellular network (the communication link between the second terminal and the network device) are common
- the first terminal is configured to transmit a data packet to the network device by using the second terminal.
- the packet conversion function refers to converting the transmitted data packet between the data packet based on the preset protocol and the cellular network data packet.
- the process of transmitting a data packet by the first terminal and the network device by using the second terminal is described in detail below in conjunction with the protocol stack provided by the embodiment of the present invention.
- the process of the first terminal transmitting the data packet through the second terminal and the network device is as follows:
- the process of transmitting uplink packets includes:
- the cellular network data packet generated by the cellular network module of the first terminal is securely processed by the PDCP layer of the cellular network and then delivered to the adaptation layer, and the adaptation layer converts the cellular network data into a data packet based on a preset protocol, and the first terminal Corresponding to the Bluetooth protocol-based communication link or the WIFI protocol-based communication link between the second terminal, the data packet based on the preset protocol includes a Bluetooth protocol-based data packet or a WIFI protocol-based data packet.
- the adaptation layer delivers the Bluetooth protocol-based data packet to the L2CAP layer of the Bluetooth protocol-based preset protocol stack, and the L2CAP layer sends the Bluetooth protocol-based data packet to the L2CAP layer of the second terminal; or the adaptation layer is based on the WIFI
- the data packet of the protocol is delivered to the first MAC layer of the preset protocol stack based on the WIFI protocol, and the first MAC layer sends the data packet based on the WIFI protocol to the first MAC layer of the second terminal.
- the L2CAP layer of the second terminal After receiving the data packet based on the Bluetooth protocol, the L2CAP layer of the second terminal delivers the data packet based on the Bluetooth protocol to the adaptation layer, and the adaptation layer converts the data packet based on the Bluetooth protocol into a cellular network data packet, and the adaptation layer
- the cellular network data packet is delivered to the second PDCP layer, and the second PDCP layer sends the cellular network data packet to the second PDCP layer of the network device through the UU interface between the second terminal and the network device, and the internal network device of the network device
- the data is further processed to enable the first terminal to send an uplink data packet to the network device by using the second terminal.
- the first MAC layer of the second terminal delivers the data packet based on the WIFI protocol to the adaptation layer, and the adaptation layer converts the data packet based on the WIFI protocol into a cellular network data packet.
- the layering layer delivers the cellular network data packet to the second PDCP layer, and the second PDCP layer sends the cellular network data packet to the second PDCP layer of the network device through the UU interface between the second terminal and the network device, and the internal device of the network device
- the cellular network data is further processed to enable the first terminal to send an uplink data packet to the network device by using the second terminal.
- the process of transmitting downlink data packets is the reverse process of the process of transmitting uplink data packets, including:
- the cellular network data packet generated by the cellular network module of the network device is securely processed by the PDCP layer of the cellular network and then delivered to the second PDCP layer, and the second PDCP layer sends the cellular network data packet through the UU interface between the second terminal and the network device.
- the second PDCP layer is given to the second terminal.
- the second PDCP layer of the second terminal After receiving the cellular network data packet, the second PDCP layer of the second terminal delivers the cellular network data packet to the adaptation layer, and the adaptation layer converts the cellular network data into a data packet based on a preset protocol, and the first terminal
- the data packet based on the preset protocol includes a Bluetooth protocol-based data packet or a WIFI protocol-based data packet corresponding to the Bluetooth protocol-based communication link or the WIFI protocol-based communication link between the second terminals.
- the adaptation layer delivers the Bluetooth protocol-based data packet to the L2CAP layer of the Bluetooth protocol-based preset protocol stack, and the L2CAP layer sends the Bluetooth protocol-based data packet to the L2CAP layer of the first terminal; or the adaptation layer is based on the WIFI
- the data packet of the protocol is delivered to the first MAC layer of the preset protocol stack based on the WIFI protocol, and the first MAC layer sends the data packet based on the WIFI protocol to the first MAC layer of the first terminal.
- the L2CAP layer of the first terminal After receiving the data packet based on the Bluetooth protocol, the L2CAP layer of the first terminal delivers the data packet based on the Bluetooth protocol to the adaptation layer, and the adaptation layer converts the data packet based on the Bluetooth protocol into a cellular network data packet, and the first terminal internally
- the cellular network data is further processed to enable the network device to send the downlink data packet to the first terminal by using the second terminal.
- the first MAC layer of the first terminal delivers the data packet based on the WIFI protocol to the adaptation layer, and the adaptation layer converts the data packet based on the WIFI protocol into a cellular network data packet, where The data of the cellular network is further processed by the terminal to enable the network device to send the downlink data packet to the first terminal by using the second terminal.
- a protocol stack and a method for establishing a communication link establish a secure connection between the first terminal and the network device, and can implement direct management of the first terminal by the network device, for example, a network device. Value-added services can be performed on the first terminal.
- the communication link based on the Bluetooth protocol or the WIFI protocol established between the first terminal and the second terminal avoids the process of regenerating the data packet when the second terminal forwards the data packet in the prior art, thereby reducing the data packet transmission. There are security risks in the process.
- a protocol stack provided by the embodiment of the present invention is equivalent to the first terminal directly connected to the base station in the network device through the UU interface, so that the compatibility of the core network can be maintained;
- the network device directly manages the first terminal, and the network device stores information such as the context of the first terminal, even if the distance between the second terminal and the first terminal as the relay device is far, and the first terminal is The connection between the second terminals is disconnected, and the network device can quickly restore the transmission capability of the service data, reduce the complexity of the mobility processing flow, and thus reduce the delay.
- the embodiment of the present invention further provides a first terminal, where the first terminal may adopt the method provided by the embodiment corresponding to the first terminal in FIG. 3.
- the first terminal 800 includes: a network.
- the network connection unit 801 is configured to establish, by using the second terminal, that the first terminal establishes a connection with the network device, and the second terminal establishes a cellular network communication link with the network device;
- the link establishing unit 802 is configured to determine, after the network connection unit 801 establishes the connection between the first terminal and the network device by using the second terminal, the link configuration information, and establish the first terminal and the second terminal according to the link configuration information. a communication link based on a preset protocol;
- the preset protocol is a Bluetooth protocol or a wireless fidelity WIFI protocol, and the communication link and the cellular network communication link based on the preset protocol are used together for the first terminal to transmit the data packet through the second terminal and the network device;
- the protocol adaptation unit 803 is configured to: after the link establishing unit 802 establishes a communication link based on a preset protocol between the first terminal and the second terminal, in the process of transmitting, by the first terminal, the data packet by using the second terminal and the network device Converting the transmitted data packet between the data packet based on the preset protocol and the cellular network data packet and the delivery of the data packet inside the first terminal.
- the link establishing unit 802 determines the link configuration information, specifically:
- the link configuration information is generated according to the pre-configuration information.
- it also includes:
- the data packet transmission unit 804 is configured to transmit a data packet to the network device by using the second terminal.
- the data packet transmission unit 804 is specifically configured to:
- the link sends the cellular network packet to the network device.
- the data packet transmission unit 804 is specifically configured to:
- the data packet based on the preset protocol is converted into a cellular network data packet, and the cellular network data packet is delivered to the cellular network module for processing.
- the embodiment of the present invention further provides a network device, and the network device may adopt the method provided by the embodiment corresponding to the network device in FIG. 3.
- the network device 900 includes: a network connection unit 901 and The configuration information sending unit 902, optionally, further includes a data packet transmission unit 903.
- the network connection unit 901 is configured to establish, by using the second terminal, the network device to establish a connection with the first terminal, where the second terminal and the network device have established a cellular network communication link;
- the configuration information sending unit 902 is configured to send configuration information after the network connection unit 901 establishes a connection between the network device and the first terminal by using the second terminal, and the configuration information is used to establish a pre-predetermination between the first terminal and the second terminal. Set the communication link of the protocol;
- the preset protocol is a Bluetooth protocol or a wireless fidelity WIFI protocol, and the communication link and the cellular network communication link based on the preset protocol are used together for the first terminal to transmit the data packet through the second terminal and the network device;
- the first terminal and the second terminal both have a data packet conversion function, and the data packet conversion function refers to the data packet to be transmitted in a data packet based on a preset protocol and the cellular network. Convert between packets.
- the network connection unit 901 is specifically configured to:
- the configuration information sending unit 902 is specifically configured to:
- the configuration information of the radio bearer is sent to the first terminal and the second terminal respectively, and the configuration information of the radio bearer is used to generate link configuration information, and the link configuration information is used to establish a preset protocol between the first terminal and the second terminal.
- Communication link, the radio bearer is a radio bearer between the first terminal and the network device; or
- the radio bearer is a radio bearer between the first terminal and the network device;
- the link configuration information is sent to the first terminal and the second terminal respectively, and the link configuration information is used to establish a communication link based on the preset protocol between the first terminal and the second terminal.
- it also includes:
- the data packet transmission unit 903 is configured to transmit a data packet to the first terminal by using the second terminal.
- the data packet transmission unit 903 is specifically configured to:
- the cellular network data packet is converted by the second terminal by using the data packet based on the preset protocol, and the data packet based on the preset protocol is adopted by the first terminal. Setting a communication link of the protocol to the second terminal; and/or,
- the embodiment of the present invention further provides a second terminal, and the second terminal may adopt the method provided by the embodiment corresponding to the second terminal in FIG. 3.
- the second terminal 1000 includes: a network.
- the network connection determining unit 1001 is configured to determine that the first terminal establishes a connection with the network device, and the second terminal establishes a cellular network communication link with the network device;
- the link establishing unit 1002 is configured to determine link configuration information after the network connection determining unit 1001 determines that the first terminal establishes a connection with the network device, and establish a pre-predetermination between the second terminal and the first terminal according to the link configuration information. Set the communication link of the protocol;
- the preset protocol is a Bluetooth protocol or a wireless fidelity WIFI protocol, and the communication link and the cellular network communication link based on the preset protocol are used together for the first terminal to transmit the data packet through the second terminal and the network device;
- the protocol adaptation unit 1003 is configured to: after the link establishing unit 1002 establishes a communication link based on the preset protocol between the second terminal and the first terminal, the process of transmitting the data packet by the first terminal and the network device by using the second terminal In the second terminal, the data packet to be transmitted is converted between the data packet based on the preset protocol and the cellular network data packet, and the data packet is transmitted.
- the link establishing unit 1002 determines the link configuration information, specifically:
- the link establishing unit 1002 determines the link configuration information, specifically:
- the link establishing unit 1002 is further configured to:
- it also includes:
- a first data packet transmission unit 1004 configured to receive, by using a communication protocol based on a preset protocol, a preset protocol-based data sent by the first terminal, in a process that the first terminal transmits the data packet by using the second terminal and the network device Packet; converts the data packet based on the preset protocol into a cellular network data packet, and sends the cellular network data packet to the network device through the cellular network communication link.
- it also includes:
- a second data packet transmission unit 1004 configured to receive, during a process of transmitting, by the first terminal, the data packet by using the second terminal and the network device, receiving, by the cellular network communication link, a cellular network data packet sent by the network device; Translating into a data packet based on a preset protocol, and transmitting a data packet based on a preset protocol to the first terminal through a communication link based on a preset protocol.
- the embodiment of the present invention further provides a network connection determining apparatus, which is applied to the first terminal, and the first terminal may adopt the method provided by the embodiment corresponding to the first terminal in FIG. 4, as shown in FIG.
- the network connection determining apparatus 1100 includes: a network identity obtaining unit 1101 and a network connection determining unit 1102, and optionally, a network connection establishing unit 1103.
- the network identifier obtaining unit 1101 is configured to acquire an identifier of a network to which the second terminal is connected;
- the network connection determining unit 1102 is configured to: when the identifier of the network connected to the second terminal acquired by the network identifier acquiring unit 1101 is consistent with the identifier of the network that the first terminal subscribes to, determine that the first terminal can establish with the network device by using the second terminal. Connected, the network device is a device in the network to which the second terminal is connected.
- the network identifier obtaining unit 1101 is specifically configured to:
- the first information includes an identifier of a network to which the second terminal is connected, and the data packet format of the first information is based on a Bluetooth protocol or a wireless fidelity WIFI protocol;
- Converting the first information into the second information, and the data packet format of the second information is based on a cellular network protocol
- the identifier of the network to which the second terminal is connected is obtained from the second information.
- it also includes:
- the network connection establishing unit 1103 is configured to send, by using the second terminal, a request message to the network device, where the request message is used by the first terminal to establish a connection with the network device.
- the embodiment of the present invention further provides a network connection determining apparatus, which is applied to the second terminal, and the second terminal may adopt the method provided by the embodiment corresponding to the second terminal in FIG. 4, as shown in FIG.
- the network connection determining apparatus 1200 includes: an information determining unit 1201 and an information transmitting unit 1202, and optionally, a network connection establishing unit 1203.
- the information determining unit 1201 is configured to determine first information, where the first information includes an identifier of a network to which the second terminal is connected, and the identifier of the network connected to the second terminal is used by the first terminal to determine that the second terminal can establish with the network device.
- the network device is a device in a network to which the second terminal is connected;
- the information transmitting unit 1202 is configured to broadcast the first information determined by the information determining unit 1201.
- the information determining unit 1201 is specifically configured to:
- the packet format of the third information is based on a cellular network protocol
- the third information is converted into the first information, and the data packet format of the first information is based on a Bluetooth protocol or a wireless fidelity WIFI protocol.
- it also includes:
- the network connection establishing unit 1203 is configured to forward, to the network device, a request message sent by the first terminal, where the request message is used by the first terminal to establish a connection with the network device.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
- An integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, can be stored in a computer readable storage medium.
- the technical solution of the present application in essence or the contribution to the prior art, or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium.
- a number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) or a processor to perform all or part of the steps of the various embodiments of the present application.
- the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .
- the present invention further provides a first terminal, where the first terminal may adopt the method provided by the embodiment corresponding to the first terminal in FIG. 3 and/or FIG. 4, which may be the same as FIG. 8 and/or FIG.
- the first terminal device shown is the same device.
- the first terminal 1300 includes: a processor 1301, a transceiver 1302, a bus 1303, and a memory 1304, where:
- the processor 1301, the transceiver 1302, and the memory 1304 are connected to each other through a bus 1303; the bus 1303 may be a peripheral component interconnect (PCI) bus or an extended industry standard architecture (EISA). Bus, etc.
- PCI peripheral component interconnect
- EISA extended industry standard architecture
- the bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in FIG. 13, but it does not mean that there is only one bus or one type of bus.
- the processor 1301 in the first terminal 1300 corresponds to a unit that needs to have a processing function in the first terminal, and the transceiver 1302 corresponds to a unit in the first terminal that needs to receive or transmit data.
- the memory 1304 is used to store programs and the like.
- the program can include program code, the program code including computer operating instructions.
- the memory 1304 may include a random access memory (RAM), and may also include a non-volatile memory, such as at least one disk storage.
- the processor 1301 executes the application stored in the memory 1304 to implement the above communication link establishment method.
- the present invention further provides a network device.
- the network device may be the same as the network device shown in FIG. 9 by using the method provided by the embodiment corresponding to the network device in FIG.
- the network device 1400 includes: a processor 1401, a transceiver 1402, a bus 1403, and a memory 1404, wherein:
- the processor 1401, the transceiver 1402, and the memory 1404 are connected to each other through a bus 1403; the bus 1403 may be a PCI bus or an EISA bus or the like.
- the bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 14, but it does not mean that there is only one bus or one type of bus.
- the processor 1401 in the network device 1400 corresponds to a unit in the network device that needs to have a processing function
- the transceiver 1402 corresponds to a unit in the network device that needs to have a function of receiving or transmitting data.
- the memory 1404 is used to store programs and the like.
- the program can include program code, the program code including computer operating instructions.
- Memory 1404 may include RAM and may also include non-volatile memory, such as at least one disk storage.
- the processor 1401 executes the application stored in the memory 1404 to implement the above communication link establishing method.
- the present invention further provides a second terminal, and the second terminal may adopt the method provided by the embodiment corresponding to the second terminal in FIG. 3 and/or FIG. 4, which may be the same as FIG. 10 and/or FIG.
- the second terminal device shown is the same device.
- the second terminal 1500 includes: a processor 1501, a transceiver 1502, a bus 1503, and a memory 1504, wherein:
- the processor 1501, the transceiver 1502, and the memory 1504 are connected to each other through a bus 1503.
- the bus 1503 may be a PCI bus or an EISA bus or the like.
- the bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 15, but it does not mean that there is only one bus or one type of bus.
- the processor 1501 in the second terminal 1500 corresponds to a unit that needs to have a processing function in the second terminal
- the transceiver 1502 corresponds to a unit in the second terminal that needs to have a function of receiving or transmitting data.
- the memory 1504 is used to store programs and the like.
- the program can include program code, the program code including computer operating instructions.
- the memory 1504 may include RAM and may also include non-volatile memory, such as at least one disk storage.
- the processor 1501 executes the application stored in the memory 1504 to implement the above communication link establishing method.
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Abstract
Description
QCI | 数据速率 | 数据包传输最大时延 |
0 | 20kbps | 300ms |
1 | 32kbps | 200ms |
2 | 64kbps | 200ms |
3 | 128kbps | 200ms |
4 | 512kbps | 100ms |
5 | 1024kbps | 100ms |
6 | 2048kbps | 100ms |
7 | 2048kbps | 50ms |
Claims (50)
- 一种通信链路建立方法,其特征在于,该方法包括:第一终端通过第二终端与网络设备建立连接,所述第二终端与所述网络设备已建立蜂窝网通信链路;所述第一终端确定链路配置信息,并根据所述链路配置信息,与所述第二终端建立基于预设协议的通信链路;其中,所述预设协议为蓝牙协议或无线保真WIFI协议,所述基于预设协议的通信链路和所述蜂窝网通信链路共同用于所述第一终端通过所述第二终端与所述网络设备传输数据包;在所述第一终端通过所述第二终端与所述网络设备传输数据包的过程中,所述第一终端和所述第二终端均具备数据包转换功能,所述数据包转换功能是指将传输的数据包在基于预设协议的数据包与蜂窝网数据包之间转换。
- 如权利要求1所述的方法,其特征在于,所述第一终端确定链路配置信息,包括:所述第一终端接收所述网络设备发送的无线承载的配置信息,所述第一终端根据所述无线承载的配置信息生成所述链路配置信息,所述无线承载为所述第一终端与所述网络设备之间的无线承载;或者,所述第一终端接收所述网络设备发送的所述链路配置信息;或者,所述第一终端接收所述第二终端发送的所述链路配置信息;或者,所述第一终端根据预配置信息生成所述链路配置信息。
- 如权利要求1或2所述的方法,其特征在于,所述第一终端与所述第二终端建立基于预设协议的通信链路之后,还包括:所述第一终端通过所述第二终端与所述网络设备传输数据包。
- 如权利要求3所述的方法,其特征在于,所述第一终端通过所述第二终端与所述网络设备传输数据包,包括:所述第一终端将蜂窝网模块产生的蜂窝网数据包转换成基于预设协议的 数据包;所述第一终端通过所述基于预设协议的通信链路将所述基于预设协议的数据包发送给所述第二终端,以使所述第二终端将接收的所述基于预设协议的数据包转换成所述蜂窝网数据包后,通过所述蜂窝网通信链路将所述蜂窝网数据包发送给所述网络设备。
- 如权利要求3或4所述的方法,其特征在于,所述第一终端通过所述第二终端与所述网络设备传输数据包,包括:所述第一终端通过所述基于预设协议的通信链路接收所述第二终端的基于预设协议的数据包,所述基于预设协议的数据包由所述第二终端将蜂窝网数据包转换得到,所述蜂窝网数据包由所述网络设备通过所述蜂窝网通信链路发送给所述第二终端;所述第一终端将所述基于预设协议的数据包转换成所述蜂窝网数据包,并将所述蜂窝网数据包递交给蜂窝网模块处理。
- 一种通信链路建立方法,其特征在于,包括:网络设备通过第二终端与第一终端建立连接,所述第二终端与所述网络设备已建立蜂窝网通信链路;所述网络设备下发配置信息,所述配置信息用于所述第一终端与所述第二终端之间建立基于预设协议的通信链路;其中,所述预设协议为蓝牙协议或无线保真WIFI协议,所述基于预设协议的通信链路和所述蜂窝网通信链路共同用于所述第一终端通过所述第二终端与所述网络设备传输数据包;在所述第一终端通过所述第二终端与所述网络设备传输数据包的过程中,所述第一终端和所述第二终端均具备数据包转换功能,所述数据包转换功能是指将传输的数据包在基于预设协议的数据包与蜂窝网数据包之间转换。
- 如权利要求6所述的方法,其特征在于,网络设备通过第二终端与第一终端建立连接,包括:所述网络设备通过所述第二终端接收所述第一终端发送的请求消息,所 述请求消息用于所述第一终端请求与所述网络设备建立连接。
- 如权利要求6或7所述的方法,其特征在于,所述网络设备下发所述配置信息,包括:所述网络设备将无线承载的配置信息分别发送给所述第一终端和第二终端,所述无线承载的配置信息用于生成链路配置信息,所述链路配置信息用于所述第一终端与所述第二终端之间建立基于预设协议的通信链路,所述无线承载为所述第一终端与所述网络设备之间的无线承载;或者,所述网络设备将所述无线承载的配置信息发送给所述第二终端,所述无线承载的配置信息用于生成链路配置信息,所述链路配置信息用于所述第一终端与所述第二终端之间建立基于预设协议的通信链路,所述无线承载为所述第一终端与所述网络设备之间的无线承载;或者,所述网络设备将链路配置信息分别发送给所述第一终端和所述第二终端,所述链路配置信息用于所述第一终端与所述第二终端之间建立基于预设协议的通信链路。
- 如权利要求6至8任一所述的方法,其特征在于,还包括:所述网络设备通过所述第二终端与所述第一终端传输数据包。
- 如权利要求9所述的方法,其特征在于,所述网络设备通过所述第二终端与所述第一终端传输数据包,包括:所述网络设备通过所述蜂窝网通信链路接收所述第二终端发送的蜂窝网数据包,所述蜂窝网数据包由所述第二终端将基于预设协议的数据包转换得到,所述基于预设协议的数据包由所述第一终端通过所述基于预设协议的通信链路发送给所述第二终端;和/或,所述网络设备通过所述蜂窝网通信链路向所述第二终端发送蜂窝网数据包,以使所述第二终端将接收的所述蜂窝网数据包转换成基于预设协议的数据包,通过所述基于预设协议的通信链路将所述基于预设协议的数据包发送给所述第一终端。
- 一种通信链路建立方法,其特征在于,包括:第二终端确定第一终端与网络设备建立连接,所述第二终端与所述网络设备已建立蜂窝网通信链路;所述第二终端确定链路配置信息,并根据所述链路配置信息,与所述第一终端建立基于预设协议的通信链路;其中,所述预设协议为蓝牙协议或无线保真WIFI协议,所述基于预设协议的通信链路和所述蜂窝网通信链路共同用于所述第一终端通过所述第二终端与所述网络设备传输数据包;在所述第一终端通过所述第二终端与所述网络设备传输数据包的过程中,所述第一终端和所述第二终端均具备数据包转换功能,所述数据包转换功能是指将传输的数据包在基于预设协议的数据包与蜂窝网数据包之间转换。
- 如权利要求11所述的方法,其特征在于,所述第二终端确定链路配置信息,包括:所述第二终端接收所述网络设备发送的所述链路配置信息。
- 如权利要求11所述的方法,其特征在于,所述第二终端确定链路配置信息,包括:所述第二终端接收所述网络设备发送的无线承载的配置信息,所述第二终端根据所述无线承载的配置信息生成所述链路配置信息,所述无线承载为所述第一终端与所述网络设备之间的无线承载。
- 如权利要求13所述的方法,其特征在于,还包括:所述第二终端将所述链路配置信息发送给所述第一终端。
- 如权利要求11至14任一所述的方法,其特征在于,所述第二终端与所述第一终端建立基于预设协议的通信链路之后,还包括:在所述第一终端通过所述第二终端与所述网络设备传输数据包的过程中,所述第二终端通过所述基于预设协议的通信链路接收所述第一终端发送的基于预设协议的数据包;所述第二终端将所述基于预设协议的数据包转换成蜂窝网数据包,并通过所述蜂窝网通信链路将所述蜂窝网数据包发送给所述网络设备。
- 如权利要求11至15任一所述的方法,其特征在于,所述第二终端与所述第一终端建立基于预设协议的通信链路之后,还包括:在所述第一终端通过所述第二终端与所述网络设备传输数据包的过程中,所述第二终端通过所述蜂窝网通信链路接收所述网络设备发送的蜂窝网数据包;所述第二终端将所述蜂窝网数据包转换成基于预设协议的数据包,并通过所述基于预设协议的通信链路将所述基于预设协议的数据包发送给所述第一终端。
- 一种网络连接确定方法,其特征在于,包括:第一终端获取所述第二终端所连接的网络的标识;当所述第二终端所连接的网络的标识与所述第一终端签约的网络的标识一致时,所述第一终端确定可以通过所述第二终端与网络设备建立连接,所述网络设备为所述第二终端所连接的网络中的设备。
- 如权利要求17所述的方法,其特征在于,所述第一终端获取所述第二终端所连接的网络的标识,包括:所述第一终端接收所述第二终端广播的第一信息,所述第一信息包括所述第二终端所连接的网络的标识,所述第一信息的数据包格式基于蓝牙协议或者无线保真WIFI协议;所述第一终端将所述第一信息转换成第二信息,所述第二信息的数据包格式基于蜂窝网协议;所述第一终端从所述第二信息中解析得到所述第二终端所连接的网络的标识。
- 如权利要求17或18所述的方法,其特征在于,所述第一终端确定可以通过所述第二终端与网络设备建立连接之后,还包括:所述第一终端通过所述第二终端向所述网络设备发送请求消息,所述请求消息用于所述第一终端请求与所述网络设备建立连接。
- 一种网络连接确定方法,其特征在于,包括:第二终端确定第一信息,所述第一信息包括所述第二终端所连接的网络的标识,所述第二终端所连接的网络的标识用于第一终端确定可以通过所述第二终端与网络设备建立连接,所述网络设备为所述第二终端所连接的网络中的设备;所述第二终端广播所述第一信息。
- 如权利要求20所述的方法,其特征在于,第二终端确定第一信息,包括:所述第二终端接收所述网络设备发送的第三信息,所述第三信息包括所述第二终端所连接的网络的标志,所述第三信息的数据包格式基于蜂窝网协议;所述第二终端将所述第三信息转换成所述第一信息,所述第一信息的数据包格式基于蓝牙协议或无线保真WIFI协议。
- 如权利要求20或21所述的方法,其特征在于,所述第二终端广播所述第一信息之后,还包括:所述第二终端向所述网络设备转发所述第一终端发送的请求消息,所述请求消息用于所述第一终端请求与所述网络设备建立连接。
- 一种协议栈,其特征在于,所述协议栈应用于第一终端通过第二终端与网络设备连接的系统中,所述协议栈包括:第一终端协议栈、第二终端协议栈和网络设备协议栈;所述第一终端协议栈包括:从上层至底层依次设置的蜂窝网数据包合成协议PDCP层、适配层、预设协议栈;所述预设协议栈基于蓝牙协议或无线保真WIFI协议;所述第二终端协议栈包括:所述第二终端与所述第一终端之间的第一接口侧的协议栈,以及所述第二终端与所述网络设备之间的第二接口侧的协议栈;其中,所述第一接口侧的协议栈包括:从上层至底层依次设置的与所述第一终端协议栈对等的适配层、预设协议栈;所述第二接口侧的协议栈包括:从上层至底层依次设置的第二无线链路控制RLC层、第二媒体接入控制MAC层和第二物理PHY层;所述网络设备协议栈包括:从上层至底层依次设置的与所述第一终端协议栈对等的蜂窝网PDCP层,以及与所述第二接口侧的协议栈对等的第二RLC层、第二MAC层和第二PHY层;若所述协议栈包括控制面协议栈,则所述第一终端协议栈的蜂窝网PDCP层之上设置有蜂窝网无线资源控制RRC层,所述网络设备协议栈的蜂窝网PDCP层之上设置有与所述第一终端协议栈对等的蜂窝网RRC层。
- 如权利要求23所述的方法,其特征在于,所述第一终端与所述第二终端之间通过基于预设协议的通信链路传输数据包,所述预设协议为蓝牙协议或WIFI协议;所述第一终端协议栈中蜂窝网PDCP层与适配层之间设置有蜂窝网RLC层;所述网络侧协议栈中蜂窝网PDCP层之下设置有:与所述第一终端协议栈对等的蜂窝网RLC层。
- 如权利要求23所述的方法,其特征在于,所述适配层用于:实现将数据包在基于预设协议的数据包与蜂窝网数据包之间转换的功能;实现配置所述预设协议栈的参数信息的功能。
- 如权利要求23所述的方法,其特征在于,所述第二终端与所述网络设备之间通过蜂窝网通信链路传输数据包;所述第二终端协议栈的第二RLC层之上设置有第二PDCP层;所述网络设备协议栈的蜂窝网PDCP层与第二RLC层之间设置有:与所述第二终端协议栈对等的第二PDCP层;所述第二PDCP层用于实现所述第二终端与所述网络设备协商好的对数据包的安全处理的功能。
- 如权利要求26所述的方法,其特征在于,所述第一接口侧的协议栈 中的适配层用于实现与所述第二接口侧的协议栈中的第二PDCP层或者第二RLC层传输数据包的功能。
- 如权利要求23或25所述的方法,其特征在于,所述预设协议栈基于蓝牙协议,所述预设协议栈从上层至底层依次设置有:逻辑链路控制和适配协议L2CAP层,第一PHY层;或者,所述预设协议栈基于WIFI协议,所述预设协议栈从上层至底层依次设置有:第一MAC层,第一PHY层。
- 一种第一终端,其特征在于,包括:网络连接单元,用于通过第二终端实现第一终端与网络设备建立连接,所述第二终端与所述网络设备已建立蜂窝网通信链路;链路建立单元,用于在所述网络连接单元通过第二终端实现第一终端与网络设备建立连接之后,确定链路配置信息,并根据所述链路配置信息,建立所述第一终端与所述第二终端之间基于预设协议的通信链路;其中,所述预设协议为蓝牙协议或无线保真WIFI协议,所述基于预设协议的通信链路和所述蜂窝网通信链路共同用于所述第一终端通过所述第二终端与所述网络设备传输数据包;协议适配单元,用于所述链路建立单元建立所述第一终端与所述第二终端之间基于预设协议的通信链路之后,在所述第一终端通过所述第二终端与所述网络设备传输数据包的过程中,在所述第一终端的内部将传输的数据包在基于预设协议的数据包与蜂窝网数据包之间转换以及数据包的传递。
- 如权利要求29所述的第一终端,其特征在于,所述链路建立单元确定链路配置信息时,具体用于:接收所述网络设备发送的无线承载的配置信息,根据所述无线承载的配置信息生成所述链路配置信息,所述无线承载为所述第一终端与所述网络设备之间的无线承载;或者,接收所述网络设备发送的所述链路配置信息;或者,接收所述第二终端发送的所述链路配置信息;或者,根据预配置信息生成所述链路配置信息。
- 如权利要求29或30所述的第一终端,其特征在于,还包括:数据包传输单元,用于通过所述第二终端与所述网络设备传输数据包。
- 如权利要求31所述的第一终端,其特征在于,所述数据包传输单元具体用于:将蜂窝网模块产生的蜂窝网数据包转换成基于预设协议的数据包;通过所述基于预设协议的通信链路将所述基于预设协议的数据包发送给所述第二终端,以使所述第二终端将接收的所述基于预设协议的数据包转换成所述蜂窝网数据包后,通过所述蜂窝网通信链路将所述蜂窝网数据包发送给所述网络设备。
- 如权利要求31所述的第一终端,其特征在于,所述数据包传输单元具体用于:通过所述基于预设协议的通信链路接收所述第二终端的基于预设协议的数据包,所述基于预设协议的数据包由所述第二终端将蜂窝网数据包转换得到,所述蜂窝网数据包由所述网络设备通过所述蜂窝网通信链路发送给所述第二终端;将所述基于预设协议的数据包转换成所述蜂窝网数据包,并将所述蜂窝网数据包递交给蜂窝网模块处理。
- 一种网络设备,其特征在于,包括:网络连接单元,用于通过第二终端实现网络设备与第一终端建立连接,所述第二终端与所述网络设备已建立蜂窝网通信链路;配置信息下发单元,用于在所述网络连接单元通过第二终端实现网络设备与第一终端建立连接之后,下发配置信息,所述配置信息用于所述第一终端与所述第二终端之间建立基于预设协议的通信链路;其中,所述预设协议为蓝牙协议或无线保真WIFI协议,所述基于预设协议的通信链路和所述蜂窝网通信链路共同用于所述第一终端通过所述第二终端与所述网络设备传输数据包;在所述第一终端通过所述第二终端与所述网 络设备传输数据包的过程中,所述第一终端和所述第二终端均具备数据包转换功能,所述数据包转换功能是指将传输的数据包在基于预设协议的数据包与蜂窝网数据包之间转换。
- 如权利要求34所述的网络设备,其特征在于,所述网络连接单元具体用于:通过所述第二终端接收所述第一终端发送的请求消息,所述请求消息用于所述第一终端请求与所述网络设备建立连接。
- 如权利要求34或25所述的网络设备,其特征在于,所述配置信息下发单元具体用于:将无线承载的配置信息分别发送给所述第一终端和第二终端,所述无线承载的配置信息用于生成链路配置信息,所述链路配置信息用于所述第一终端与所述第二终端之间建立基于预设协议的通信链路,所述无线承载为所述第一终端与所述网络设备之间的无线承载;或者,将所述无线承载的配置信息发送给所述第二终端,所述无线承载的配置信息用于生成链路配置信息,所述链路配置信息用于所述第一终端与所述第二终端之间建立基于预设协议的通信链路,所述无线承载为所述第一终端与所述网络设备之间的无线承载;或者,将链路配置信息分别发送给所述第一终端和所述第二终端,所述链路配置信息用于所述第一终端与所述第二终端之间建立基于预设协议的通信链路。
- 如权利要求34至36任一所述的网络设备,其特征在于,还包括:数据包传输单元,用于通过所述第二终端与所述第一终端传输数据包。
- 如权利要求37所述的网络设备,其特征在于,所述数据包传输单元具体用于:通过所述蜂窝网通信链路接收所述第二终端发送的蜂窝网数据包,所述蜂窝网数据包由所述第二终端将基于预设协议的数据包转换得到,所述基于预设协议的数据包由所述第一终端通过所述基于预设协议的通信链路发送给 所述第二终端;和/或,通过所述蜂窝网通信链路向所述第二终端发送蜂窝网数据包,以使所述第二终端将接收的所述蜂窝网数据包转换成基于预设协议的数据包,通过所述基于预设协议的通信链路将所述基于预设协议的数据包发送给所述第一终端。
- 一种第二终端,其特征在于,包括:网络连接确定单元,用于确定第一终端与网络设备建立连接,所述第二终端与所述网络设备已建立蜂窝网通信链路;链路建立单元,用于在所述网络连接确定单元确定第一终端与网络设备建立连接之后,确定链路配置信息,并根据所述链路配置信息,建立第二终端与所述第一终端之间基于预设协议的通信链路;其中,所述预设协议为蓝牙协议或无线保真WIFI协议,所述基于预设协议的通信链路和所述蜂窝网通信链路共同用于所述第一终端通过所述第二终端与所述网络设备传输数据包;协议适配单元,用于在所述链路建立单元建立第二终端与所述第一终端之间基于预设协议的通信链路之后,在所述第一终端通过所述第二终端与所述网络设备传输数据包的过程中,在所述第二终端的内部将传输的数据包在基于预设协议的数据包与蜂窝网数据包之间转换以及数据包的传递。
- 如权利要求39任一所述的第二终端,其特征在于,所述链路建立单元确定链路配置信息时,具体用于:接收所述网络设备发送的所述链路配置信息。
- 如权利要求39任一所述的第二终端,其特征在于,所述链路建立单元确定链路配置信息时,具体用于:接收所述网络设备发送的无线承载的配置信息,根据所述无线承载的配置信息生成所述链路配置信息,所述无线承载为所述第一终端与所述网络设备之间的无线承载。
- 如权利要求41所述的第二终端,其特征在于,所述链路建立单元还 用于:将所述链路配置信息发送给所述第一终端。
- 如权利要求39至42任一所述的第二终端,其特征在于,还包括:第一数据包传输单元,用于在所述第一终端通过所述第二终端与所述网络设备传输数据包的过程中,通过所述基于预设协议的通信链路接收所述第一终端发送的基于预设协议的数据包;将所述基于预设协议的数据包转换成蜂窝网数据包,并通过所述蜂窝网通信链路将所述蜂窝网数据包发送给所述网络设备。
- 如权利要求39至43任一所述的第二终端,其特征在于,还包括:第二数据包传输单元,用于在所述第一终端通过所述第二终端与所述网络设备传输数据包的过程中,通过所述蜂窝网通信链路接收所述网络设备发送的蜂窝网数据包;将所述蜂窝网数据包转换成基于预设协议的数据包,并通过所述基于预设协议的通信链路将所述基于预设协议的数据包发送给所述第一终端。
- 一种网络连接确定装置,其特征在于,应用与第一终端,包括:网络标识获取单元,用于获取所述第二终端所连接的网络的标识;网络连接确定单元,用于当所述网络标识获取单元获取的所述第二终端所连接的网络的标识与所述第一终端签约的网络的标识一致时,确定所述第一终端可以通过所述第二终端与网络设备建立连接,所述网络设备为所述第二终端所连接的网络中的设备。
- 如权利要求45所述的装置,其特征在于,所述网络标识获取单元具体用于:接收所述第二终端广播的第一信息,所述第一信息包括所述第二终端所连接的网络的标识,所述第一信息的数据包格式基于蓝牙协议或者无线保真WIFI协议;将所述第一信息转换成第二信息,所述第二信息的数据包格式基于蜂窝网协议;从所述第二信息中解析得到所述第二终端所连接的网络的标识。
- 如权利要求45或46所述的装置,其特征在于,还包括:网络连接建立单元,用于通过所述第二终端向所述网络设备发送请求消息,所述请求消息用于所述第一终端请求与所述网络设备建立连接。
- 一种网络连接确定装置,其特征在于,应用于第二终端,包括:信息确定单元,用于确定第一信息,所述第一信息包括所述第二终端所连接的网络的标识,所述第二终端所连接的网络的标识用于第一终端确定可以通过所述第二终端与网络设备建立连接,所述网络设备为所述第二终端所连接的网络中的设备;信息发送单元,用于广播所述信息确定单元确定的所述第一信息。
- 如权利要求48所述的装置,其特征在于,所述信息确定单元具体用于:接收所述网络设备发送的第三信息,所述第三信息包括所述第二终端所连接的网络的标志,所述第三信息的数据包格式基于蜂窝网协议;将所述第三信息转换成所述第一信息,所述第一信息的数据包格式基于蓝牙协议或无线保真WIFI协议。
- 如权利要求48或49所述的装置,其特征在于,还包括:网络连接建立单元,用于向所述网络设备转发所述第一终端发送的请求消息,所述请求消息用于所述第一终端请求与所述网络设备建立连接。
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WO2022237721A1 (zh) * | 2021-05-14 | 2022-11-17 | 华为技术有限公司 | 联网方法、相关装置及系统 |
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WO2018034033A1 (ja) * | 2016-08-16 | 2018-02-22 | 本郷飛行機株式会社 | 通信制御装置 |
CN108616999B (zh) * | 2017-01-04 | 2019-09-17 | 电信科学技术研究院 | 一种数据传输方法、装置及系统 |
CN108199905A (zh) * | 2018-02-01 | 2018-06-22 | 乐鑫信息科技(上海)有限公司 | Mesh网络及其mesh设备和配网方法 |
JP7268685B2 (ja) * | 2018-10-10 | 2023-05-08 | ソニーグループ株式会社 | 通信装置、通信方法、プログラム、及び通信システム |
CN111436091B (zh) * | 2019-03-28 | 2022-05-20 | 维沃移动通信有限公司 | 传输路径的选择方法、信息配置方法、终端及网络设备 |
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CN108605381B (zh) | 2020-10-27 |
US20180343701A1 (en) | 2018-11-29 |
BR112018015794A2 (pt) | 2018-12-26 |
CN108605381A (zh) | 2018-09-28 |
EP3402307B1 (en) | 2019-10-09 |
EP3402307A4 (en) | 2019-01-02 |
EP3402307A1 (en) | 2018-11-14 |
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