WO2019028896A1 - 数据传输的方法、发射端设备和接收端设备 - Google Patents
数据传输的方法、发射端设备和接收端设备 Download PDFInfo
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- WO2019028896A1 WO2019028896A1 PCT/CN2017/097243 CN2017097243W WO2019028896A1 WO 2019028896 A1 WO2019028896 A1 WO 2019028896A1 CN 2017097243 W CN2017097243 W CN 2017097243W WO 2019028896 A1 WO2019028896 A1 WO 2019028896A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
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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
- H04W28/08—Load balancing or load distribution
- H04W28/082—Load balancing or load distribution among bearers or channels
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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
- H04W28/0252—Traffic management, e.g. flow control or congestion control per individual bearer or channel
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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
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/24—Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]
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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
- H04W76/20—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
- H04W76/00—Connection management
- H04W76/30—Connection release
- H04W76/34—Selective release of ongoing connections
- H04W76/36—Selective release of ongoing connections for reassigning the resources associated with the released connections
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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
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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
- H04W88/08—Access point devices
Definitions
- the present application relates to the field of communications, and more particularly, to a method of data transmission, a transmitting end device, and a receiving end device.
- a Service Data Adaptation Protocol (SDAP) layer is added to the radio access network to complete the Quality of Service flow (Quality of Service flow). , QoSflow) to mapping between Data Radio Bearers (DRBs).
- DRB Data Radio Bearers
- the radio access network establishes a default bearer (default DRB) for different QoS flows.
- default DRB cannot meet the requirements of different QoS flows for data transmission. Therefore, how to improve the data transmission of QoSflow is an urgent problem to be solved.
- the embodiment of the present application provides a data transmission method, a transmitting end device, and a receiving end device.
- the corresponding data radio bearer may be switched from a source data radio bearer to a target data radio bearer. And after the handover, the data packet of the quality of service data stream is not out of order, and the transmission is not interrupted, thereby ensuring reliable transmission of data.
- an embodiment of the present application provides a data transmission method, including:
- the transmitting end device switches the data radio bearer DRB corresponding to the first quality of service data stream from the first DRB to the second DRB;
- the transmitting end device sends, by the second DRB, the untransmitted data packet in the first quality of service data stream to the receiving end device.
- the transmitting end device may be a terminal device or a network device.
- the receiving end device is a network device
- the transmitting end device is a terminal device
- the receiving end device is a terminal device
- the second DRB is more in line with the transmission of the first quality of service data stream.
- the transmitting end device may, in the transmission process of the first quality of service data stream, the DRB corresponding to the first quality of service data stream from the first The DRB switches to the second DRB, thereby implementing the process of transmitting the first quality of service data stream, switching from the first DRB to the second DRB, and further improving the transmission efficiency of the first quality of service data stream.
- the method before the transmitting end device switches the DRB corresponding to the first quality of service data stream from the first DRB to the second DRB, the method further includes:
- the transmitting end device receives the indication information, where the indication information is used to indicate that the DRB corresponding to the first quality of service data stream is switched from the first DRB to the second DRB.
- the transmitting end device may be a terminal device.
- the indication information is radio resource control RRC signaling or reverse quality of service RQoS, and the RQoS is determined according to an identifier ID of a data packet received on the second DRB.
- the method before the transmitting end device switches the DRB corresponding to the first quality of service data stream from the first DRB to the second DRB, the method further includes:
- the transmitting device sends at least one data packet in the first quality of service data stream by using the first DRB.
- the method before the transmitting end device sends the at least one data packet in the first quality of service data stream by using the first DRB, the method further includes:
- the transmitting device adds the first identification information to the packet header of the last data packet in the at least one data packet, where the first identifier information is used to indicate that the last data packet is sent by the transmitting end device by using the first DRB.
- the last packet adds the first identification information to the packet header of the last data packet in the at least one data packet, where the first identifier information is used to indicate that the last data packet is sent by the transmitting end device by using the first DRB.
- the transmitting end device may switch the DRB corresponding to the first quality of service data stream from the first DRB to the second DRB during the transmission of the first quality of service data stream. Then, the last data packet sent by the first DRB may be indicated by the first identifier information, thereby ensuring that the first quality of service data stream does not appear out of order during the transmission process, thereby ensuring reliable transmission of data.
- the method further includes:
- the transmitting end device After transmitting the at least one data packet, the transmitting end device sends a first identifier packet, where the first identifier packet is used to indicate that the last data packet of the first identifier packet is the last one corresponding to the first DRB data pack.
- the method before the sending end device sends the unsent data packet to the receiving end device by using the second DRB, the method further includes:
- the transmitting end device adds second identification information to the packet header of the first data packet in the unsent data packet, where the second identifier information is used to indicate that the transmitting end device passes the first data packet before sending the first data packet.
- the first DRB sends the data packet in the first quality of service data stream.
- the method before the sending end device sends the unsent data packet to the receiving end device by using the second DRB, the method further includes:
- the transmitting device sends a second identifier packet to the receiver device by using the second DRB, where the second identifier packet is used to indicate that the transmitter device sends the first service by using the first DRB before sending the second identifier packet.
- a packet in a quality data stream is used to indicate that the transmitter device sends the first service by using the first DRB before sending the second identifier packet.
- the quality of service level identifier (QCI) of the data packet transmitted on the second DRB is better than the QCI of the data packet transmitted on the first DRB.
- the quality of service level identifier QCI of the data packet transmitted on the second DRB is better than the QCI of the data packet transmitted on the first DRB, and thus, the first quality of service data is After the DRB corresponding to the flow is switched from the first DRB to the second DRB, data transmission can be performed more efficiently.
- an embodiment of the present application provides a data transmission method, including:
- the receiving end device determines that the data radio bearer DRB corresponding to the first quality of service data stream is switched from the first DRB to the second DRB;
- the receiving device caches the plurality of data packets.
- the receiving end device may determine, in the transmission process of the first quality of service data stream, that the DRB corresponding to the first quality of service data stream is switched from the first DRB to the second DRB, And after receiving the plurality of data packets in the first quality of service data stream sent by the transmitting end device through the second DRB, buffering the data packets, thereby ensuring that the first quality of service data stream does not appear in the process of transmission. Order, in turn, ensures reliable transmission of data.
- the method before the receiving end device determines that the DRB corresponding to the first quality of service data stream is switched from the first DRB to the second DRB, the method further includes:
- the receiving end device receives the indication information, where the indication information is used to indicate that the DRB corresponding to the first quality of service data stream is switched from the first DRB to the second DRB.
- the receiving end device may be a terminal device.
- the indication information is a radio resource control RRC signaling or a reflected quality of service, where the quality of the reflection is based on an identifier of the data packet received on the second DRB. determine.
- the packet header of the first data packet of the multiple data packets includes first identifier information, where the first identifier information is used to indicate that the transmitting device is transmitting Sending, in the first data packet, the data packet in the first quality of service data stream before the first data packet;
- the receiving device determines that the plurality of data packets need to be cached, including:
- the method before the receiving end device receives the multiple data packets, the method further includes:
- the first identifier packet is used to indicate that the transmitter device sends the data packet in the first quality of service data stream by using the first DRB before sending the first identifier packet ;
- the receiving device determines that the plurality of data packets need to be cached, including:
- the first identifier packet it is determined that the plurality of data packets need to be cached.
- the method further includes:
- the receiving end device transmits, according to the second identifier information, the plurality of data packets received by the second DRB and the at least one data packet received by the first DRB.
- the receiving end device may indicate that the first DRB is sent by using the second identifier information.
- the last data packet thereby ensuring that the first quality of service data stream does not appear out of order during the transmission process, thereby ensuring reliable transmission of data.
- the method further includes:
- the receiving end device transmits, according to the second identifier packet, the plurality of data packets received by the second DRB and the at least one data packet received by the first DRB.
- the quality of service level identifier QCI of the data packet transmitted on the first DRB is better than the QCI of the data packet transmitted on the second DRB.
- the quality of service level identifier QCI of the data packet transmitted on the second DRB is better than the QCI of the data packet transmitted on the first DRB, and thus, the first quality of service data is After the DRB corresponding to the flow is switched from the first DRB to the second DRB, data transmission can be performed more efficiently.
- the embodiment of the present application provides a transmitting end device, which can execute the module or unit of the method in the first aspect or any optional implementation manner of the first aspect.
- the embodiment of the present application provides a receiving end device, which can execute the module or unit of the method in the second aspect or any optional implementation manner of the second aspect.
- a transmitter device comprising a processor, a memory, and a communication interface.
- the processor is coupled to the memory and communication interface.
- the memory is for storing instructions for the processor to execute, and the communication interface is for communicating with other network elements under the control of the processor.
- the processor executes the instructions stored by the memory, the execution causes the processor to perform the method of the first aspect or any of the possible implementations of the first aspect.
- a receiving end device comprising a processor, a memory, and a communication interface.
- the processor is coupled to the memory and communication interface.
- the memory is for storing instructions for the processor to execute, and the communication interface is for communicating with other network elements under the control of the processor.
- the processor executes the instructions stored by the memory, the execution causes the processor to perform the method of any of the possible implementations of the second aspect or the second aspect.
- a computer storage medium storing program code for instructing a computer to perform the method of any of the first aspect or the first aspect of the first aspect. instruction.
- a computer storage medium having a program stored therein Sequence code for instructing a computer to execute the instructions of the method of any of the above-described second aspect or any of the possible implementations of the second aspect.
- a computer program product comprising instructions, when executed on a computer, causes the computer to perform the methods described in the various aspects above.
- FIG. 1 shows a wireless communication system to which the embodiment of the present application is applied.
- FIG. 2 is a schematic diagram of mapping a QoS flow to a DRB according to an embodiment of the present application.
- FIG. 3 is a schematic flowchart of a method for data transmission according to an embodiment of the present application.
- FIG. 4 is a schematic flowchart of another method for data transmission according to an embodiment of the present application.
- FIG. 5 is a schematic block diagram of a transmitting end device according to an embodiment of the present application.
- FIG. 6 is a schematic block diagram of a sink device according to an embodiment of the present application.
- FIG. 7 is a schematic block diagram of an apparatus for data transmission provided by an embodiment of the present application.
- FIG. 8 is a schematic structural diagram of a system chip according to an embodiment of the present application.
- GSM Global System of Mobile communication
- CDMA Code Division Multiple Access
- WCDMA Wideband Code Division Multiple Access
- GPRS General Packet Radio Service
- LTE Long Term Evolution
- FDD Frequency Division Duplex
- TDD Time Division Duplex
- UPD Universal Mobile Telecommunication System
- WiMAX Worldwide Interoperability for Microwave Access
- FIG. 1 shows a wireless communication system 100 to which an embodiment of the present application is applied.
- the wireless communication system 100 can include a network device 110.
- Network device 110 may be a device that communicates with a terminal device.
- Network device 110 can provide communication coverage for a particular geographic area and can be located in the coverage area
- a terminal device for example, a UE communicates.
- the network device 110 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, or may be a base station (NodeB, NB) in a WCDMA system, or may be an evolved base station in an LTE system.
- BTS Base Transceiver Station
- NodeB NodeB
- the network device can be a relay station, an access point, an in-vehicle device, a wearable device, A network side device in a future 5G network or a network device in a publicly available Public Land Mobile Network (PLMN) in the future.
- PLMN Public Land Mobile Network
- the wireless communication system 100 also includes at least one terminal device 120 located within the coverage of the network device 110.
- Terminal device 120 can be mobile or fixed.
- the terminal device 120 may refer to an access terminal, a user equipment (User Equipment, UE), a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, and a wireless communication.
- the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
- D2D device to device communication
- D2D device to device
- the 5G system or network may also be referred to as a New Radio (NR) system or network.
- NR New Radio
- FIG. 1 exemplarily shows one network device and two terminal devices.
- the wireless communication system 100 may include a plurality of network devices and may include other numbers of terminal devices within the coverage of each network device. The application embodiment does not limit this.
- the wireless communication system 100 may further include other network entities, such as a network controller, a mobility management entity, and the like.
- network entities such as a network controller, a mobility management entity, and the like.
- the radio access network (RAN) side is in the upper layer of the Packet Data Convergence Protocol (PDCP) layer.
- PDCP Packet Data Convergence Protocol
- the SDAP layer is added to complete the mapping of QoSflow to DRB.
- the Internet Protocol (IP) layer maps packets from IP flow to QoSflow, and then the packet is sent from QoSflow by SDAP.
- IP Internet Protocol
- the mapping to the radio bearer can be mapped to the same DRB for different QoS flows, and the data packet is handed over to the PDCP layer for processing by the mapped DRB.
- the mapping of QoSflow to DRB can be directly indicated to the terminal through Radio Resource Control (RRC). It can also be obtained by using a QoS mapping of the reflection.
- RRC Radio Resource Control
- the network device can carry the identifier of the QoS flow in the downlink data packets belonging to the same QoS flow, and the terminal device can obtain each downlink data packet after successfully acquiring the downlink data packet.
- the mapping of the QoS flow to the DRB is recorded.
- the uplink data packet When an uplink data packet needs to be sent, the uplink data packet is directly sent according to the mapping relationship recorded.
- the downlink data packets that belong to the same QoSflow in the existing solution must carry the identifier of the QoS flow, resulting in a relatively large network overhead.
- system and “network” are used interchangeably herein.
- the term “and/or” in this context is merely an association describing the associated object, indicating that there may be three relationships, for example, A and/or B, which may indicate that A exists separately, and both A and B exist, respectively. B these three situations.
- the character "/" in this article generally indicates that the contextual object is an "or" relationship.
- FIG. 3 is a schematic flowchart of a method 200 for data transmission according to an embodiment of the present application.
- the method 200 may be performed by a transmitting device, which may be a network device as shown in FIG. 1, or a terminal device as shown in FIG. 1, and the receiving in the method 200.
- the end device may be a network device as shown in FIG. 1, or may be a terminal device as shown in FIG. 1, and the method 200 includes the following.
- the transmitting end device switches the data radio bearer DRB corresponding to the first quality of service data stream from the first DRB to the second DRB.
- the SDAP in the transmitting end device may switch the data radio bearer DRB corresponding to the first quality of service data stream from the first DRB to the second DRB.
- the QoS Class Identifier (QCI) of the data packet transmitted on the second DRB is better than the QCI of the data packet transmitted on the first DRB.
- the first DRB may be a default data radio bearer (default DRB) established by the radio access network side, and different quality of service data streams are mapped on the default DRB.
- default DRB data radio bearer
- the second DRB is more in line with the transmission requirement of the first quality of service data stream.
- the network device may directly decide to switch the DRB corresponding to the first quality of service data stream from the first DRB to the second DRB.
- the transmitting end device when the transmitting end device is the terminal device, the transmitting end device receives the indication information, where the indication information is used to indicate that the DRB corresponding to the first quality of service data stream is switched from the first DRB to the second DRB, Therefore, the transmitting end device can switch the DRB corresponding to the first quality of service data stream from the first DRB to the second DRB according to the indication information.
- the indication information is radio resource control RRC signaling or reverse QoS (RQoS), and the RQoS is determined according to an identifier (Identity, ID) of the data packet received on the second DRB.
- the method before the transmitting end device switches the DRB corresponding to the first quality of service data stream from the first DRB to the second DRB, the method further includes:
- the transmitting device sends at least one data packet in the first quality of service data stream by using the first DRB.
- the transmitting end device sends, by using the second DRB, the untransmitted data packet in the first quality of service data stream to the receiving end device.
- the transmitting end device may ensure that the data packet of the first quality of service data stream transmitted by the first DRB and the data packet of the first quality of service data stream transmitted by the second DRB are performed by: Order delivery (reliable transmission of the first quality of service data stream):
- the transmitting end device before the transmitting end device sends the at least one data packet in the first quality of service data stream by using the first DRB, the transmitting end device adds in a packet header of a last data packet in the at least one data packet.
- the first identifier information is used to indicate that the last data packet is the last data packet sent by the transmitting end device by using the first DRB.
- the receiving end device can determine the sequence of the data packets in the first quality of service data stream according to the first identification information, and further ensure reliable transmission of the first quality of service data stream.
- the first identification information may be an end marker.
- the first identification information is added in the SDAP haeder.
- the transmitting device sends a first identifier packet after the at least one data packet is sent, where the first identifier packet is used to indicate that the last data packet of the first identifier packet is the last data packet corresponding to the first DRB. .
- the receiving end device can determine the first quality of service data stream according to the first identifier packet.
- the order of the data packets in turn, guarantees reliable transmission of the first quality of service data stream.
- the first identifier packet may be a new data packet generated by the transmitting end device after sending the at least one data packet.
- the first identifier packet may be a non-loaded SDAP PDU (SDAP PDU without payload), or may be a control PDU (SDAP control PDU) in the SDAP.
- SDAP PDU non-loaded SDAP PDU
- SDAP control PDU control PDU
- the transmitting end device before the transmitting end device sends the unsent data packet to the receiving end device by using the second DRB, the transmitting end device adds the first packet in the header of the first data packet in the unsent data packet.
- the second identifier information is used to indicate that the transmitting end device sends the data packet in the first quality of service data stream by using the first DRB before sending the first data packet.
- the receiving end device can determine the sequence of the data packets in the first quality of service data stream according to the second identification information, and further ensure reliable transmission of the first quality of service data stream.
- the second identification information may be a start marker.
- the second identification information is added in the SDAP haeder.
- the transmitting end device before the transmitting end device sends the unsent data packet to the receiving end device by using the second DRB, the transmitting end device sends a second identifier packet to the receiving end device by using the second DRB, the second The identifier packet is used to indicate that the transmitting end device sends the data packet in the first quality of service data stream by using the first DRB before sending the second identifier packet.
- the receiving end device can determine the sequence of the data packets in the first quality of service data stream according to the second identity packet, and further ensure reliable transmission of the first quality of service data stream.
- the second identification packet may be a new data packet generated by the transmitting end device before sending the unsent data packet.
- the second identification packet may be a non-loaded SDAP PDU (SDAP PDU without payload), or may be a control PDU in the SDAP.
- the transmitting end device may ensure, according to at least one of the foregoing four manners, a data packet of the first quality of service data stream transmitted by using the first DRB and the first data packet transmitted by using the second DRB.
- the data packets of the quality of service data stream are delivered in order (the reliable transmission of the first quality of service data stream).
- the transmitting end device may switch the DRB corresponding to the first quality of service data stream from the first DRB to the second DRB during the transmission of the first quality of service data stream.
- the last data packet sent by the first DRB may be indicated by the first identifier information, thereby ensuring that the first quality of service data stream does not pass during the transmission process. Out of order, in turn, to ensure reliable transmission of data.
- the quality of service level identifier QCI of the data packet transmitted on the second DRB is better than the QCI of the data packet transmitted on the first DRB, thereby switching the DRB corresponding to the first quality of service data stream from the first DRB to the first After the second DRB, data transmission can be performed more efficiently.
- FIG. 4 is a schematic flowchart of a method 300 for data transmission according to an embodiment of the present application.
- the method 300 may be performed by a receiving end device, which may be a network device as shown in FIG. 1 or a terminal device as shown in FIG.
- the end device may be a network device as shown in FIG. 1, or may be a terminal device as shown in FIG. 1, and the method 300 includes the following.
- the receiving end device determines that the data radio bearer DRB corresponding to the first quality of service data stream is switched from the first DRB to the second DRB.
- the quality of service level identifier QCI of the data packet transmitted on the first DRB is better than the QCI of the data packet transmitted on the second DRB.
- the receiving end device when the receiving end device is a network device, the receiving end device may directly determine that the data radio bearer DRB corresponding to the first quality of service data stream is switched from the first DRB to the second DRB.
- the receiving end device when the receiving end device is the terminal device, the receiving end device receives the indication information, where the indication information is used to indicate that the DRB corresponding to the first quality of service data stream is switched from the first DRB to the second DRB, where The receiving end device may determine, according to the indication information, that the data radio bearer DRB corresponding to the first quality of service data stream is switched from the first DRB to the second DRB.
- the indication information is radio resource control RRC signaling or a reflected quality of service, and the reflected quality of service is determined according to an identifier ID of a data packet received on the second DRB.
- the receiving end device receives, by the transmitting end device, a plurality of data packets in the first quality of service data stream sent by the transmitting end device by using the second DRB.
- the receiving device caches the multiple data packets.
- the receiving end device directly delivers the partial data packet.
- the receiving end device caches the multiple data packets.
- whether to cache the multiple data packets can be determined in the following two ways:
- the first identifier of the first data packet of the multiple data packets includes the first identifier information
- the first identifier information is used to indicate that the transmitting end device sends the data packet in the first quality of service data stream by using the first DRB before sending the first data packet, and at this time, the receiving end device may be configured according to the first Identify the information and determine that the multiple packets need to be cached.
- the first identification information may be a start marker.
- the first identification information is added in the SDAP haeder.
- the receiving end device receives the first identifier packet by using the second DRB, where the first identifier packet is used to indicate that the transmitting end device sends the first identifier packet before sending the first identifier packet.
- the data packet in the first quality of service data stream is sent by the first DRB.
- the receiving end device may determine, according to the first identifier packet, that the multiple data packets need to be cached.
- the first identification packet may be a new data packet generated by the transmitting end device before sending the unsent data packet.
- the first identifier packet may be an unloaded SDAP PDU (SDAP PDU without payload), or may be a control PDU in the SDAP.
- the method 300 further includes:
- the receiving end device transmits, according to the second identifier information, the plurality of data packets received by the second DRB and the at least one data packet received by the first DRB.
- the second identification information may be an end marker.
- the second identification information is added in the SDAP haeder.
- the method 300 further includes:
- the receiving end device transmits, according to the second identifier packet, the plurality of data packets received by the second DRB and the at least one data packet received by the first DRB.
- the second identifier packet may be that the transmitter device sends the at least one data packet. A new packet is generated afterwards.
- the second identification packet may be a non-loaded SDAP PDU (SDAP PDU without payload), or may be a control PDU in the SDAP.
- steps in the method 300 of data transmission may refer to the description of the corresponding steps in the method 200 of data transmission, and are not described herein for brevity.
- the receiving end device may determine, in the transmission process of the first quality of service data stream, that the DRB corresponding to the first quality of service data stream is switched from the first DRB to the second DRB, And after receiving the plurality of data packets in the first quality of service data stream sent by the transmitting end device through the second DRB, buffering the data packets, thereby ensuring that the first quality of service data stream does not appear in the process of transmission. Order, in turn, ensures reliable transmission of data.
- the receiving end device may indicate the last data packet sent by the first DRB by using the second identifier information, thereby ensuring the first The quality of service data stream does not appear out of order during the transmission process, thereby ensuring reliable transmission of data.
- the quality of service level identification QCI of the data packet transmitted on the second DRB is better than the QCI of the data packet transmitted on the first DRB, thereby switching the DRB corresponding to the first quality of service data stream from the first DRB to the first DRB. After the second DRB, data transmission can be performed more efficiently.
- FIG. 5 is a schematic block diagram of a transmitting end device 400 in accordance with an embodiment of the present application. As shown in FIG. 5, the transmitting device 400 includes:
- the processing unit 410 is configured to switch the data radio bearer DRB corresponding to the first quality of service data stream from the first DRB to the second DRB;
- the sending unit 420 is configured to send, by using the second DRB, the untransmitted data packet in the first quality of service data stream to the receiving end device.
- the transmitting end device 400 before the processing unit 410 switches the DRB corresponding to the first quality of service data stream from the first DRB to the second DRB, the transmitting end device 400 further includes:
- the receiving unit 430 is configured to receive indication information, where the indication information is used to indicate that the DRB corresponding to the first quality of service data stream is switched from the first DRB to the second DRB.
- the indication information is radio resource control RRC signaling or reverse quality of service RQoS, and the RQoS is determined according to an identifier ID of a data packet received on the second DRB.
- the sending unit 420 is further configured to pass the first DRB. Transmitting at least one of the first quality of service data streams.
- the processing unit 410 is further configured to use a last data packet in the at least one data packet.
- the first identifier information is used to indicate that the last data packet is the last data packet sent by the transmitting end device by using the first DRB.
- the sending unit 420 is further configured to send the first identifier packet after the at least one data packet is sent, where the first identifier packet is used to indicate that the previous data packet of the first identifier packet is the first DRB corresponding to the first DRB. The last packet.
- the processing unit 410 is further configured to: in the first data packet of the unsent data packet.
- a second identifier information is added to the packet header, where the second identifier information is used to indicate that the transmitting end device sends the data packet in the first quality of service data stream by using the first DRB before sending the first data packet.
- the sending unit 420 before the sending unit 420 sends the untransmitted data packet to the receiving end device by using the second DRB, the sending unit 420 is further configured to send the second identifier packet to the receiving end device by using the second DRB.
- the second identifier packet is used to indicate that the transmitting end device sends the data packet in the first quality of service data stream by using the first DRB before sending the second identifier packet.
- the quality of service level identifier QCI of the data packet transmitted on the second DRB is better than the QCI of the data packet transmitted on the first DRB.
- the transmitting device 400 may correspond to the transmitting device in the method embodiment of the present application, and the above operations and/or functions of the respective units in the transmitting device 400 are respectively implemented to implement FIG. 3 .
- the corresponding process of the transmitting device in the method 200 is not repeated here for brevity.
- FIG. 6 is a schematic block diagram of a receiving end device 500 according to an embodiment of the present application. As shown in FIG. 6, the receiving device 500 includes:
- the processing unit 510 is configured to determine that the data radio bearer DRB corresponding to the first quality of service data stream is switched from the first DRB to the second DRB;
- the receiving unit 520 is configured to receive, by the sending end device, multiple data packets in the first quality of service data stream sent by the second DRB;
- the processing unit 510 is further configured to cache the multiple data packets.
- the receiving unit 520 is further configured to receive indication information, where the indication information is used to indicate The DRB corresponding to the first quality of service data stream is switched from the first DRB to the second DRB.
- the indication information is radio resource control RRC signaling or a reflected quality of service, and the reflected quality of service is determined according to an identifier ID of a data packet received on the second DRB.
- the first packet of the first data packet of the multiple data packets includes first identifier information, where the first identifier information is used to indicate that the source device passes the first DRB before sending the first data packet. Transmitting the data packet in the first quality of service data stream;
- the processing unit 510 is further configured to determine, according to the first identifier information, that the plurality of data packets need to be cached.
- the receiving unit 520 is further configured to receive, by using the second DRB, a first identifier packet, where the first identifier packet is used to indicate that the sending end device is sending the first Sending the data packet in the first quality of service data stream by using the first DRB before identifying the packet;
- the processing unit 510 is further configured to determine, according to the first identifier packet, that the plurality of data packets need to be cached.
- the receiving device 500 further includes:
- the receiving unit 520 is further configured to receive at least one data packet in the first quality of service data stream sent by the transmitting end device by using the first DRB, where a packet header of the last one of the at least one data packet includes a second packet Identification information, the second identifier information is used to indicate that the last data packet is the last data packet sent by the transmitting end device by using the first DRB;
- the sending unit 530 is configured to transmit, according to the second identifier information, the plurality of data packets received by the second DRB and the at least one data packet received by the first DRB.
- the receiving device 500 further includes:
- the receiving unit 520 is further configured to receive at least one data packet in the first quality of service data stream that is sent by the transmitting end device by using the first DRB;
- the receiving unit 520 is further configured to receive, by the transmitting end device, the second identifier packet by using the first DRB, where the second identifier packet is used to indicate that the last data packet of the second identifier packet is the first The last packet sent by the DRB;
- the sending unit 530 is configured to receive, according to the second identifier packet, the transmission received by the second DRB The plurality of data packets and the at least one data packet received by the first DRB.
- the quality of service level identifier QCI of the data packet transmitted on the first DRB is better than the QCI of the data packet transmitted on the second DRB.
- the receiving end device 500 may correspond to the terminal device in the method embodiment of the present application, and the foregoing and other operations and/or functions of the respective units in the receiving end device 500 are respectively implemented in FIG.
- the corresponding process of the receiving device in the method 300 is omitted for brevity.
- FIG. 7 is a schematic block diagram of an apparatus 600 for data transmission provided by an embodiment of the present application, where the apparatus 600 includes:
- a memory 610 configured to store a program, where the program includes code
- the transceiver 620 is configured to communicate with other devices;
- the processor 630 is configured to execute program code in the memory 610.
- the processor 630 can implement various operations performed by the transmitting device in the method 200 in FIG. 3, and details are not described herein for brevity.
- the device 600 may be a network device (for example, an access network device or a core network device), or may be a terminal device (for example, a mobile phone).
- the transceiver 620 is configured to perform specific signal transceiving under the driving of the processor 630.
- the processor 630 can also implement various operations performed by the receiving device in the method 300 in FIG. 4, and details are not described herein for brevity.
- the device 600 may be a terminal device (for example, a mobile phone) or a network device (for example, an access network device or a core network device).
- the processor 630 may be a central processing unit (CPU), and the processor 630 may also be other general-purpose processors, digital signal processors (DSPs), and application specific integrated circuits. (ASIC), off-the-shelf programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and more.
- the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
- the memory 610 can include read only memory and random access memory and provides instructions and data to the processor 630. A portion of the memory 610 may also include a non-volatile random access memory. For example, the memory 610 can also store information of the device type.
- the transceiver 620 can be used to implement signal transmission and reception functions, such as frequency modulation and demodulation functions or upconversion and down conversion functions.
- At least one step of the above method may pass through hardware in the processor 630.
- the integrated logic circuit is completed, or the integrated logic circuit can be driven by the instruction in software form to perform the at least one step. Therefore, the device 600 for data transmission can be a chip or a chipset.
- the steps of the method disclosed in the embodiments of the present application may be directly implemented by the hardware processor, or may be performed by a combination of hardware and software modules in the processor.
- the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
- the storage medium is located in the memory, and the processor 630 reads the information in the memory and completes the steps of the above method in combination with the hardware thereof. To avoid repetition, it will not be described in detail here.
- FIG. 8 is a schematic structural diagram of a system chip 700 according to an embodiment of the present application.
- the system chip 700 of FIG. 8 includes an input interface 701, an output interface 702, a processor 703, and a memory 704 that can be connected by an internal communication connection line.
- the processor 703 is configured to execute code in the memory 704.
- the processor 703 implements the method performed by the transmitting device in the method embodiment. For the sake of brevity, it will not be repeated here.
- the processor 703 when the code is executed, the processor 703 implements a method performed by the receiving device in the method embodiment. For the sake of brevity, it will not be repeated here.
- the disclosed systems, devices, and methods may be implemented in other manners.
- the device embodiments described above are merely illustrative.
- the division of the unit is only a logical function division.
- there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
- the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
- 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 functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
- the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
- the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in 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. .
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Abstract
Description
Claims (34)
- 一种数据传输的方法,其特征在于,包括:发射端设备将第一服务质量数据流对应的数据无线承载DRB从第一DRB切换至第二DRB;所述发射端设备通过所述第二DRB向接收端设备发送所述第一服务质量数据流中未发送的数据包。
- 根据权利要求1所述的方法,其特征在于,在所述发射端设备将所述第一服务质量数据流对应的DRB从所述第一DRB切换至所述第二DRB之前,所述方法还包括:所述发射端设备接收指示信息,所述指示信息用于指示所述第一服务质量数据流对应的DRB从所述第一DRB切换至所述第二DRB。
- 根据权利要求2所述的方法,其特征在于,所述指示信息为无线资源控制RRC信令或反向服务质量RQoS,所述RQoS根据在所述第二DRB上接收的数据包的标识ID确定。
- 根据权利要求1至3中任一项所述的方法,其特征在于,在所述发射端设备将所述第一服务质量数据流对应的DRB从所述第一DRB切换至所述第二DRB之前,所述方法还包括:所述发射端设备通过所述第一DRB发送所述第一服务质量数据流中的至少一个数据包。
- 根据权利要求4所述的方法,其特征在于,在所述发射端设备通过所述第一DRB发送所述第一服务质量数据流中的所述至少一个数据包之前,所述方法还包括:所述发射端设备在所述至少一个数据包中的最后一个数据包的包头中添加第一标识信息,所述第一标识信息用于指示所述最后一个数据包为所述发射端设备通过所述第一DRB发送的最后一个数据包。
- 根据权利要求4所述的方法,其特征在于,所述方法还包括:所述发射端设备在发送所述至少一个数据包之后发送第一标识包,所述第一标识包用于指示所述第一标识包的上一个数据包为所述第一DRB对应的最后一个数据包。
- 根据权利要求1至6中任一项所述的方法,其特征在于,在所述发射端设备通过所述第二DRB向所述接收端设备发送所述未发送的数据包之 前,所述方法还包括:所述发射端设备在所述未发送的数据包中的第一个数据包的包头中添加第二标识信息,所述第二标识信息用于指示所述发射端设备在发送所述第一个数据包之前通过所述第一DRB发送所述第一服务质量数据流中的数据包。
- 根据权利要求1至6中任一项所述的方法,其特征在于,在所述发射端设备通过所述第二DRB向所述接收端设备发送所述未发送的数据包之前,所述方法还包括:所述发射端设备通过所述第二DRB向所述接收端设备发送第二标识包,所述第二标识包用于指示所述发射端设备在发送所述第二标识包之前通过所述第一DRB发送所述第一服务质量数据流中的数据包。
- 根据权利要求1至8中任一项所述的方法,其特征在于,所述第二DRB上传输的数据包的服务质量等级标识QCI优于所述第一DRB上传输的数据包的QCI。
- 一种数据传输的方法,其特征在于,包括:接收端设备确定所述第一服务质量数据流对应的数据无线承载DRB从第一DRB切换至第二DRB;所述接收端设备接收发射端设备通过第二DRB发送的第一服务质量数据流中的多个数据包;所述接收端设备缓存所述多个数据包。
- 根据权利要求10所述的方法,其特征在于,在所述接收端设备确定所述第一服务质量数据流对应的DRB从所述第一DRB切换至所述第二DRB之前,所述方法还包括:所述接收端设备接收指示信息,所述指示信息用于指示所述第一服务质量数据流对应的DRB从所述第一DRB切换至所述第二DRB。
- 根据权利要求11所述的方法,其特征在于,所述指示信息为无线资源控制RRC信令或反射的服务质量,所述反射的服务质量根据在所述第二DRB上接收的数据包的标识ID确定。
- 根据权利要求10至12中任一项所述的方法,其特征在于,所述多个数据包中的第一个数据包的包头中包括第一标识信息,所述第一标识信息用于指示所述发射端设备在发送所述第一个数据包之前通过第一DRB发送 所述第一服务质量数据流中的数据包;所述接收端设备确定需要缓存所述多个数据包,包括:根据所述第一标识信息,确定需要缓存所述多个数据包。
- 根据权利要求10至12中任一项所述的方法,其特征在于,在所述接收端设备接收所述多个数据包之前,所述方法还包括:所述接收端设备通过第二DRB接收第一标识包,所述第一标识包用于指示所述发射端设备在发送所述第一标识包之前通过第一DRB发送所述第一服务质量数据流中的数据包;所述接收端设备确定需要缓存所述多个数据包,包括:根据所述第一标识包,确定需要缓存所述多个数据包。
- 根据权利要求10至14中任一项所述的方法,其特征在于,所述方法还包括:所述接收端设备接收所述发射端设备通过第一DRB发送的所述第一服务质量数据流中的至少一个数据包,所述至少一个数据包中的最后一个数据包的包头中包括第二标识信息,所述第二标识信息用于指示所述最后一个数据包为所述发射端设备通过所述第一DRB发送的最后一个数据包;所述接收端设备根据所述第二标识信息,传输通过所述第二DRB接收的所述多个数据包和通过所述第一DRB接收的所述至少一个数据包。
- 根据权利要求10至14中任一项所述的方法,其特征在于,所述方法还包括:所述接收端设备接收所述发射端设备通过第一DRB发送的所述第一服务质量数据流中的至少一个数据包;所述接收端设备接收所述发射端设备通过第一DRB发送第二标识包,所述第二标识包用于指示所述第二标识包的上一个数据包为所述发射端设备通过所述第一DRB发送的最后一个数据包;所述接收端设备根据所述第二标识包,传输通过所述第二DRB接收的所述多个数据包和通过所述第一DRB接收的所述至少一个数据包。
- 根据权利要求10至16中任一项所述的方法,其特征在于,所述第一DRB上传输的数据包的服务质量等级标识QCI优于所述第二DRB上传输的数据包的QCI。
- 一种发射端设备,其特征在于,包括:处理单元,用于将第一服务质量数据流对应的数据无线承载DRB从第一DRB切换至第二DRB;发送单元,用于通过所述第二DRB向接收端设备发送所述第一服务质量数据流中未发送的数据包。
- 根据权利要求18所述的发射端设备,其特征在于,在所述处理单元将所述第一服务质量数据流对应的DRB从所述第一DRB切换至所述第二DRB之前,所述发射端设备还包括:接收单元,用于接收指示信息,所述指示信息用于指示所述第一服务质量数据流对应的DRB从所述第一DRB切换至所述第二DRB。
- 根据权利要求19所述的发射端设备,其特征在于,所述指示信息为无线资源控制RRC信令或反向服务质量RQoS,所述RQoS根据在所述第二DRB上接收的数据包的标识ID确定。
- 根据权利要求18至20中任一项所述的发射端设备,其特征在于,在所述处理单元将所述第一服务质量数据流对应的DRB从所述第一DRB切换至所述第二DRB之前,所述发送单元还用于通过所述第一DRB发送所述第一服务质量数据流中的至少一个数据包。
- 根据权利要求21所述的发射端设备,其特征在于,在所述发送单元通过所述第一DRB发送所述第一服务质量数据流中的所述至少一个数据包之前,所述处理单元还用于在所述至少一个数据包中的最后一个数据包的包头中添加第一标识信息,所述第一标识信息用于指示所述最后一个数据包为所述发射端设备通过所述第一DRB发送的最后一个数据包。
- 根据权利要求21所述的发射端设备,其特征在于,所述发送单元,还用于在发送所述至少一个数据包之后发送第一标识包,所述第一标识包用于指示所述第一标识包的上一个数据包为所述第一DRB对应的最后一个数据包。
- 根据权利要求18至23中任一项所述的发射端设备,其特征在于,在所述发送单元通过所述第二DRB向所述接收端设备发送所述未发送的数据包之前,所述处理单元还用于在所述未发送的数据包中的第一个数据包的包头中添加第二标识信息,所述第二标识信息用于指示所述发射端设备在发送所述第一个数据包之前通过所述第一DRB发送所述第一服务质量数据流中的数据包。
- 根据权利要求18至23中任一项所述的发射端设备,其特征在于,在所述发送单元通过所述第二DRB向所述接收端设备发送所述未发送的数据包之前,所述发送单元还用于通过所述第二DRB向所述接收端设备发送第二标识包,所述第二标识包用于指示所述发射端设备在发送所述第二标识包之前通过所述第一DRB发送所述第一服务质量数据流中的数据包。
- 根据权利要求18至25中任一项所述的发射端设备,其特征在于,所述第二DRB上传输的数据包的服务质量等级标识QCI优于所述第一DRB上传输的数据包的QCI。
- 一种接收端设备,其特征在于,包括:处理单元,用于确定所述第一服务质量数据流对应的数据无线承载DRB从第一DRB切换至第二DRB;接收单元,用于接收发射端设备通过第二DRB发送的第一服务质量数据流中的多个数据包;所述处理单元,还用于缓存所述多个数据包。
- 根据权利要求27所述的接收端设备,其特征在于,在所述处理单元确定所述第一服务质量数据流对应的DRB从所述第一DRB切换至所述第二DRB之前,所述接收单元还用于接收指示信息,所述指示信息用于指示所述第一服务质量数据流对应的DRB从所述第一DRB切换至所述第二DRB。
- 根据权利要求28所述的接收端设备,其特征在于,所述指示信息为无线资源控制RRC信令或反射的服务质量,所述反射的服务质量根据在所述第二DRB上接收的数据包的标识ID确定。
- 根据权利要求27至29中任一项所述的接收端设备,其特征在于,所述多个数据包中的第一个数据包的包头中包括第一标识信息,所述第一标识信息用于指示所述发射端设备在发送所述第一个数据包之前通过第一DRB发送所述第一服务质量数据流中的数据包;所述处理单元,还用于根据所述第一标识信息,确定需要缓存所述多个数据包。
- 根据权利要求27至29中任一项所述的接收端设备,其特征在于,在所述接收单元接收所述多个数据包之前,所述接收单元还用于通过第二DRB接收第一标识包,所述第一标识包用于指示所述发射端设备在发送所 述第一标识包之前通过第一DRB发送所述第一服务质量数据流中的数据包;所述处理单元,还用于根据所述第一标识包,确定需要缓存所述多个数据包。
- 根据权利要求27至31中任一项所述的接收端设备,其特征在于,所述接收端设备还包括:所述接收单元,还用于接收所述发射端设备通过第一DRB发送的所述第一服务质量数据流中的至少一个数据包,所述至少一个数据包中的最后一个数据包的包头中包括第二标识信息,所述第二标识信息用于指示所述最后一个数据包为所述发射端设备通过所述第一DRB发送的最后一个数据包;发送单元,用于根据所述第二标识信息,传输通过所述第二DRB接收的所述多个数据包和通过所述第一DRB接收的所述至少一个数据包。
- 根据权利要求27至31中任一项所述的接收端设备,其特征在于,所述接收端设备还包括:所述接收单元,还用于接收所述发射端设备通过第一DRB发送的所述第一服务质量数据流中的至少一个数据包;所述接收单元,还用于接收所述发射端设备通过第一DRB发送第二标识包,所述第二标识包用于指示所述第二标识包的上一个数据包为所述发射端设备通过所述第一DRB发送的最后一个数据包;发送单元,用于根据所述第二标识包,传输通过所述第二DRB接收的所述多个数据包和通过所述第一DRB接收的所述至少一个数据包。
- 根据权利要求27至33中任一项所述的接收端设备,其特征在于,所述第一DRB上传输的数据包的服务质量等级标识QCI优于所述第二DRB上传输的数据包的QCI。
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BR112020000313-1A BR112020000313A2 (pt) | 2017-08-11 | 2017-08-11 | método de transmissão de dados, dispositivo de transmissão e dispositivo de recepção |
CA3066511A CA3066511A1 (en) | 2017-08-11 | 2017-08-11 | Data transmission method, transmitting end device, and receiving end device |
AU2017427114A AU2017427114A1 (en) | 2017-08-11 | 2017-08-11 | Data transmission method, transmitting end device, and receiving end device |
KR1020197036936A KR102404909B1 (ko) | 2017-08-11 | 2017-08-11 | 데이터 전송 방법, 송신단 장치와 수신단 장치 |
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US16/623,324 US20210144588A1 (en) | 2017-08-11 | 2017-08-11 | Data Transmission Method, Transmitting End Device, and Receiving End Device |
CN201780091892.2A CN110741719A (zh) | 2017-08-11 | 2017-08-11 | 数据传输的方法、发射端设备和接收端设备 |
SG11201911667XA SG11201911667XA (en) | 2017-08-11 | 2017-08-11 | Data transmission method, transmitting end device, and receiving end device |
JP2019569821A JP2020533820A (ja) | 2017-08-11 | 2017-08-11 | データ伝送方法、送信側装置及び受信側装置 |
RU2019141330A RU2745718C1 (ru) | 2017-08-11 | 2017-08-11 | Способ передачи данных, передающее терминальное устройство и приемное терминальное устройство |
CN202010073878.3A CN111278054B (zh) | 2017-08-11 | 2017-08-11 | 数据传输的方法、发射端设备和接收端设备 |
TW107128101A TWI762702B (zh) | 2017-08-11 | 2018-08-10 | 資料傳輸的方法、發射端設備和接收端設備 |
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ZA2019/08114A ZA201908114B (en) | 2017-08-11 | 2019-12-05 | Data transmission method, transmitting end device, and receiving end device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019192464A1 (zh) * | 2018-04-02 | 2019-10-10 | 维沃移动通信有限公司 | 配置数据流的方法和装置 |
JP2022540475A (ja) * | 2019-07-11 | 2022-09-15 | 中興通訊股▲ふん▼有限公司 | データ伝送方法、装置、第1通信ノードおよび第2通信ノード |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019056295A1 (zh) * | 2017-09-22 | 2019-03-28 | Oppo广东移动通信有限公司 | 一种信息指示方法、终端和计算机存储介质 |
MX2020008411A (es) * | 2018-02-15 | 2020-09-25 | Ericsson Telefon Ab L M | Metodos para proporcionar armonizacion de qfi entre ran y 5gc y terminales inalambricas, estaciones base y nodos de red central relacionados. |
US11310707B2 (en) * | 2018-04-13 | 2022-04-19 | Qualcomm Incorporated | Facilitating quality of service flow remapping utilizing a service data adaptation protocol layer |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103945461A (zh) * | 2013-01-23 | 2014-07-23 | 中兴通讯股份有限公司 | 数据多流传输方法及装置 |
CN106664733A (zh) * | 2014-06-23 | 2017-05-10 | 英特尔公司 | 经由无线局域网链路隧穿数据无线电承载的装置、***和方法 |
US9655165B2 (en) * | 2012-07-02 | 2017-05-16 | Lg Electronics Inc. | Method and apparatus for switching connection in wireless communication system |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008133484A1 (en) * | 2007-04-30 | 2008-11-06 | Lg Electronics Inc. | Methods of transmitting data blocks in wireless communication system |
WO2014109606A1 (en) * | 2013-01-11 | 2014-07-17 | Lg Electronics Inc. | Method and apparatus for transmitting information in wireless communication system |
CN104244426B (zh) * | 2013-06-09 | 2019-02-05 | 华为技术有限公司 | 一种数据无线承载drb的资源分配方法及装置 |
CN104363598B (zh) * | 2014-11-25 | 2018-03-23 | 电信科学技术研究院 | 一种drb映射方法及装置 |
WO2018000220A1 (zh) * | 2016-06-29 | 2018-01-04 | 北京小米移动软件有限公司 | 数据传输方法、数据传输装置及*** |
CN109005127B (zh) * | 2017-02-03 | 2020-03-10 | 华为技术有限公司 | 一种QoS流处理方法、设备和通信*** |
-
2017
- 2017-08-11 JP JP2019569821A patent/JP2020533820A/ja active Pending
- 2017-08-11 RU RU2019141330A patent/RU2745718C1/ru active
- 2017-08-11 KR KR1020197036936A patent/KR102404909B1/ko active IP Right Grant
- 2017-08-11 EP EP17921337.6A patent/EP3651538B1/en active Active
- 2017-08-11 US US16/623,324 patent/US20210144588A1/en not_active Abandoned
- 2017-08-11 WO PCT/CN2017/097243 patent/WO2019028896A1/zh unknown
- 2017-08-11 CN CN201780091892.2A patent/CN110741719A/zh active Pending
- 2017-08-11 CN CN202010073878.3A patent/CN111278054B/zh active Active
- 2017-08-11 SG SG11201911667XA patent/SG11201911667XA/en unknown
- 2017-08-11 CA CA3066511A patent/CA3066511A1/en not_active Abandoned
- 2017-08-11 BR BR112020000313-1A patent/BR112020000313A2/pt not_active IP Right Cessation
- 2017-08-11 AU AU2017427114A patent/AU2017427114A1/en not_active Withdrawn
-
2018
- 2018-08-10 TW TW107128101A patent/TWI762702B/zh active
-
2019
- 2019-12-05 ZA ZA2019/08114A patent/ZA201908114B/en unknown
- 2019-12-05 IL IL271198A patent/IL271198A/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9655165B2 (en) * | 2012-07-02 | 2017-05-16 | Lg Electronics Inc. | Method and apparatus for switching connection in wireless communication system |
CN103945461A (zh) * | 2013-01-23 | 2014-07-23 | 中兴通讯股份有限公司 | 数据多流传输方法及装置 |
CN106664733A (zh) * | 2014-06-23 | 2017-05-10 | 英特尔公司 | 经由无线局域网链路隧穿数据无线电承载的装置、***和方法 |
Non-Patent Citations (2)
Title |
---|
CATT: "Consideration on inter-RAT handover in case of IWK", 3GPP TSG-RAN WG2 MEETING #98, no. R2-1704217, 19 May 2017 (2017-05-19), Hangzhou, China, XP051264305 * |
See also references of EP3651538A4 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019192464A1 (zh) * | 2018-04-02 | 2019-10-10 | 维沃移动通信有限公司 | 配置数据流的方法和装置 |
US11470508B2 (en) | 2018-04-02 | 2022-10-11 | Vivo Mobile Communication Co., Ltd. | Method and device for configuring data flow |
US11902835B2 (en) | 2018-04-02 | 2024-02-13 | Vivo Mobile Communication Co., Ltd. | Method and device for configuring data flow |
JP2022540475A (ja) * | 2019-07-11 | 2022-09-15 | 中興通訊股▲ふん▼有限公司 | データ伝送方法、装置、第1通信ノードおよび第2通信ノード |
JP7392100B2 (ja) | 2019-07-11 | 2023-12-05 | 中興通訊股▲ふん▼有限公司 | データ伝送方法、装置、第1通信ノードおよび第2通信ノード |
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CN110741719A (zh) | 2020-01-31 |
BR112020000313A2 (pt) | 2020-07-14 |
US20210144588A1 (en) | 2021-05-13 |
CA3066511A1 (en) | 2019-02-14 |
KR20200035238A (ko) | 2020-04-02 |
JP2020533820A (ja) | 2020-11-19 |
EP3651538B1 (en) | 2021-09-08 |
ZA201908114B (en) | 2021-04-28 |
IL271198A (en) | 2020-01-30 |
TW201911900A (zh) | 2019-03-16 |
CN111278054B (zh) | 2021-10-08 |
SG11201911667XA (en) | 2020-02-27 |
AU2017427114A1 (en) | 2020-01-02 |
EP3651538A4 (en) | 2020-07-15 |
CN111278054A (zh) | 2020-06-12 |
RU2745718C1 (ru) | 2021-03-31 |
KR102404909B1 (ko) | 2022-06-02 |
EP3651538A1 (en) | 2020-05-13 |
TWI762702B (zh) | 2022-05-01 |
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