WO2018228557A1 - Procédé de traitement de communication et appareil de communication - Google Patents

Procédé de traitement de communication et appareil de communication Download PDF

Info

Publication number
WO2018228557A1
WO2018228557A1 PCT/CN2018/091617 CN2018091617W WO2018228557A1 WO 2018228557 A1 WO2018228557 A1 WO 2018228557A1 CN 2018091617 W CN2018091617 W CN 2018091617W WO 2018228557 A1 WO2018228557 A1 WO 2018228557A1
Authority
WO
WIPO (PCT)
Prior art keywords
channel
data
rlc entity
radio bearer
terminal device
Prior art date
Application number
PCT/CN2018/091617
Other languages
English (en)
Chinese (zh)
Inventor
徐小英
黄曲芳
刘星
酉春华
曾清海
罗海燕
戴明增
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201710682219.8A external-priority patent/CN109151891B/zh
Priority to KR1020207000892A priority Critical patent/KR102332978B1/ko
Priority to JP2019569389A priority patent/JP7106580B2/ja
Priority to EP18816859.5A priority patent/EP3641192B1/fr
Priority to EP21197587.5A priority patent/EP3996303B1/fr
Priority to RU2019143642A priority patent/RU2737026C1/ru
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to BR112019026704-2A priority patent/BR112019026704A2/pt
Priority to CA3067279A priority patent/CA3067279C/fr
Priority to AU2018286304A priority patent/AU2018286304B2/en
Publication of WO2018228557A1 publication Critical patent/WO2018228557A1/fr
Priority to US16/714,650 priority patent/US11343031B2/en
Priority to US17/751,301 priority patent/US11831448B2/en

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability

Definitions

  • the embodiments of the present application relate to the field of wireless communications, and in particular, to a communication processing method and a communication device.
  • the link from the terminal device to the radio access network is an uplink
  • the link from the radio access network to the terminal device is a downlink
  • the terminal device and the wireless access device transmit various data on the uplink and downlink according to various protocol layers formulated by the 3rd generation partnership project (3GPP) organization, For example, control signaling or business data.
  • 3GPP 3rd generation partnership project
  • protocol layers include a physical (PHY) layer, a media access control (MAC) layer, a radio link control (RLC), and a Packet Data Convergence Protocol (PDCP) layer.
  • RRC radio resource control
  • part or all of the data transmitted by one PDCP entity of the PDCP layer to one RLC entity of the RLC layer is repeated by other at least one RLC entity corresponding to the PDCP entity.
  • This type of processing is called duplication mode. Through the repeat mode, the same data can be repeatedly transmitted in the wireless space, which improves the stability of data transmission.
  • the embodiment of the present application provides a communication processing method for implementing management of various information in a repeated mode.
  • a first aspect of the embodiments of the present invention provides a communication processing method, including the following content.
  • the terminal device Determining, by the terminal device, that one of the first channel and the second channel of the radio bearer in the repetitive mode needs to trigger a data volume report, wherein, in the repeat mode, the PDCP data of the radio bearer corresponds to the first channel Transmitting on the first RLC entity and repeating transmission on the corresponding second RLC entity on the second channel;
  • the terminal device triggers the data volume report, where the data volume report indicates the amount of data on the one channel;
  • the terminal device sends the data volume report to the radio access network.
  • the technical solution provided by the first aspect is used to implement the notification management of the data volume to be transmitted by the terminal device in the repetitive mode, and the terminal device reports the data volume of one channel in the radio bearer repetition mode, which can avoid the data volume reporting of each channel. Signaling overhead.
  • the method further includes:
  • the terminal device determines that the one channel needs to trigger the data volume report, including:
  • one channel of the terminal device to notify the amount of data is indicated by the radio access network.
  • the terminal device determines a channel for which to notify the amount of data.
  • the first and second possible implementations provide a variety of implementation paths for determining the manner in which a channel is to be notified of the amount of data.
  • the third possible implementation manner of the first aspect, the second possible implementation manner of the first aspect, further includes:
  • the terminal device Receiving, by the terminal device, the second message sent by the radio access network, where the second message indicates a cell or a cell group corresponding to the first channel, and a cell or a cell group corresponding to the second channel;
  • the terminal device sends the data volume report to the radio access network, including:
  • the terminal device sends the data volume report to the radio access network on a cell or a cell group corresponding to the determined one channel.
  • the amount of data of one channel determined by the terminal device specified by the radio access network is transmitted to the radio access network through which cell or group of cells.
  • the method further includes:
  • the terminal device Receiving, by the terminal device, the second message sent by the radio access network, where the second message indicates a cell or a cell group corresponding to the first channel, and a cell or a cell group corresponding to the second channel;
  • the terminal device reports the data volume to the cell or cell group outside the cell or cell group corresponding to the determined one channel, and sends the data to the radio access network.
  • the data volume report of the one channel can be ensured to be sent to the radio access network if the cell corresponding to the cell has no resources.
  • a second aspect of the embodiments of the present invention provides a communication processing method, including the following content.
  • a first indication message sent by the radio access network where the first indication message indicates a repetition mode of the activated radio bearer, where the repetition mode comprises: a PDCP entity of the terminal device corresponding to the first channel Part or all of the data on the first RLC entity is repeated on the corresponding second RLC entity on the second channel;
  • the terminal device activates or deactivates the radio bearer according to the first indication message.
  • the technical solution provided by the second aspect can implement the repeated mode activation management, and the radio access network controls whether the repetition mode is activated or deactivated.
  • the first indication message includes a first field and a second field, where the first field indicates that the first indication message is in the repeat mode Control message, the second field indicating whether to activate the repeat mode.
  • the first indication message further includes a third field, where the third field indicates a location corresponding to the repeated mode Said radio bearer.
  • the second field indicates, by using a bit status of the same bit, whether the repeated mode is activated, by using a bit position of the same bit Indicates a radio bearer corresponding to the repeat mode.
  • the first indication message includes a first field and a second field, where the first field indicates that the first indication message is to the a mode control message, a second field indicating whether the first channel is activated and whether the second channel is activated; wherein the first channel and the second channel are both activated, then the repeat mode is Activating; at least one of the first channel and the second channel is deactivated, then the repeat mode is deactivated or the first indication message is an invalid message.
  • the first indication message further includes a third field, where the third field indicates an identifier of the first channel And an identification of the second channel.
  • the second field indicates the first channel by using a location of the first bit, by using the first bit
  • the bit status indicates whether the first channel is activated, the second channel is indicated by the location of the second bit, and the second channel is indicated by the bit status of the second bit.
  • the first indication message in a case that the first channel is activated, includes a first field and a second field, where the first field indicates The first indication message is a control message for the repeated mode, and the second field indicates whether the second channel is activated; wherein the second channel is activated, the repetition mode is activated; The two channels are deactivated and the repeat mode is deactivated.
  • the first indication message includes a first field and a second field, where the first field indicates that the first indication message is to the a control message of the mode; the second field indicates whether to activate; when the first indication message is from the cell or the cell group corresponding to the first channel, the second field specifically indicates whether the first channel is activated; when the first indication The message is from the corresponding cell or cell of the second channel, and the second field specifically indicates whether the second channel is activated; wherein the first channel and the second channel are both activated, then the repeat mode is activated.
  • the at least one of the first channel and the second channel is deactivated, and the repeat mode is deactivated.
  • the ninth possible implementation manner of the second aspect further comprising: the terminal device triggering a data volume report indicating the amount of data;
  • the amount of data indicated by the data volume report includes:
  • the amount of data on one of the first channel and the second channel or the sum of the amount of data on the first channel and the amount of data on the second channel.
  • the data volume report may include the data volume of all channels, or may only include the data volume of one channel, which increases the flexibility of indicating the amount of data in the data report.
  • the terminal device determines whether there is data on at least one of the PDCP entity and the first RLC entity;
  • the terminal device triggers the data volume report.
  • the method further includes:
  • the terminal device If there is data on the PDCP entity, the terminal device transmits data on the PDCP entity to the first RLC entity, and the data transmitted to the first RLC entity is repeated on the second RLC entity. .
  • the method further includes:
  • the terminal device repeats part or all of the data on the first RLC entity to the second RLC entity.
  • the method further includes:
  • the terminal device repeats some or all of the data on the first RLC entity at the MAC layer and indicates that the repeated data is from the second channel.
  • the first indication message indicates that the repetition mode is activated
  • the duplicate data on the first RLC entity and the second RLC entity are the same number.
  • the method further includes:
  • the terminal device sends a second indication message to the radio access network, where the second indication message includes a starting number of the repeated data on the second RLC entity in the repeating mode.
  • the radio access network can correctly know which data on each channel in the repeated mode is duplicate data.
  • the first indication message indicates that the repetition mode is activated
  • the method further includes:
  • the terminal device notifies the wireless access device of a difference of different numbers of the duplicate data.
  • the radio access network can correctly know which data on each channel in the repeated mode is duplicate data.
  • the terminal device receives configuration information sent by the radio access network, where the configuration information indicates a cell or a cell group corresponding to the first channel and a corresponding cell or cell group on the second channel.
  • the terminal device can learn the cell or the cell group corresponding to each channel, so that when the duplicate data is sent, the corresponding cell or the cell is sent according to the control of the radio access network. .
  • the method further includes: the terminal device triggering an amount of data indicating the amount of data report;
  • the amount of data indicated by the data volume report includes: the amount of data on the first channel.
  • the method further includes:
  • the terminal device determines whether there is data on the second RLC entity
  • the terminal triggers the data volume report, and the data volume indicated by the data volume report further includes an amount of data on the second RLC entity.
  • the terminal may still send non-repeating data on the second RLC entity.
  • the data volume report still includes The data of the second RLC entity can enable the radio access network to accurately and accurately obtain the amount of the terminal device to be transmitted in the case where the repeated mode is deactivated.
  • the first indication message indicates that the repetition mode is deactivated
  • the method further includes at least one of the following:
  • the terminal device Determining, by the terminal device, the duplicate data that does not need to be transmitted in the air interface on the second RLC entity, if the duplicate data determined by the second RLC entity has started to be transmitted in the air interface, the terminal device continues to transmit the second RLC entity Deterministic data determined;
  • the terminal device transmits data from the PDCP entity that is not duplicated with data on the first RLC entity.
  • the terminal device in the case that the repeated mode is deactivated, can clear unnecessary duplicate data, thereby reducing resource waste.
  • the method further includes:
  • the terminal device determines that there is no need to trigger a radio link failure, or triggers a radio link failure but does not reestablish the radio link.
  • the number of retransmissions of the repeated data on the second RLC entity reaches the maximum number of retransmissions of the RLC, indicating that the network quality is degraded, and the first RLC entity can still transmit data in the repeated mode.
  • the terminal does not need to trigger the radio link failure, or does not re-establish the radio link even if the radio link fails, and the interruption delay caused by reestablishing the radio link due to the maximum number of retransmissions can be reduced.
  • a third aspect of the embodiments of the present application provides a communication apparatus, where the communication apparatus includes a processing unit and a sending unit.
  • the processing unit is configured to perform the determining, triggering, and the like processing actions of the terminal device in the foregoing first aspect and various possible implementation manners thereof, where the sending unit is configured to execute the terminal device in the foregoing first aspect and various possible implementation manners thereof The sending action.
  • the terminal device further includes a receiving unit, configured to perform the receiving action of the terminal device in the foregoing first aspect and various possible implementation manners thereof.
  • the communication device is part of the terminal device or the terminal device.
  • the processing unit may be a processor of the terminal device, the sending unit may be a transmitter of the terminal device, and the receiving unit is a receiver of the terminal device.
  • the terminal device may further include other electronic circuits, such as a bus connecting the processor and the transmitter, a radio frequency antenna used to transmit signals, and the like.
  • the communication device may also be a chip.
  • a fourth aspect of the embodiments of the present application provides a communication apparatus, where the communication apparatus includes a processing unit and a receiving unit.
  • the processing unit is configured to perform the determining, triggering, and the like processing actions of the terminal device in the foregoing second aspect and various possible implementation manners thereof, where the receiving unit is configured to execute the terminal device in the foregoing second aspect and various possible implementation manners thereof Receiving action.
  • the communication device may further include a transmitting unit configured to perform a sending action of the terminal device in the foregoing second aspect and various possible implementation manners thereof.
  • the communication device is part of the terminal device or the terminal device.
  • the processing unit may be a processor of the terminal device, the sending unit may be a transmitter of the terminal device, and the receiving unit is a receiver of the terminal device.
  • the terminal device may further include other electronic circuits, such as a bus connecting the processor and the transmitter, a radio frequency antenna used to transmit signals, and the like.
  • the communication device may also be a chip.
  • a fifth aspect of the embodiments of the present application provides a computer storage medium, wherein the computer storage medium includes program code, and the program code is used to implement the technologies provided by the first aspect to the second aspect and any one possible implementation manner.
  • Program The technical solution provided by the fifth aspect has the technical effects of the foregoing corresponding implementation manners, and may be specifically referred to the foregoing implementation manner.
  • a sixth aspect of the embodiments of the present application provides a communication apparatus, where the communication apparatus includes a processor and a memory, the memory stores a code, and the processor calls a code in the memory, so that the first aspect to the second aspect and All or part of the technical solutions provided by any of the various possible implementations can be implemented.
  • the communication device provided by the fourth aspect may be the terminal device in any of the foregoing aspects or each of the possible implementation manners, or may be a chip.
  • the communication device is a chip
  • the chip comprises a processor composed of at least one gate circuit and a memory composed of at least one gate circuit, each gate circuit comprising at least one transistor (such as a field effect transistor) connected by a wire, Each transistor is fabricated from a semiconductor material.
  • FIG. 1A to FIG. 1H are schematic diagrams showing a protocol stack of a wireless communication system according to an embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a communication process according to an embodiment of the present application.
  • FIG. 3 is a schematic flowchart of a communication process according to an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a message according to an embodiment of the present application.
  • 11 to 13 are schematic diagrams of data transmission in a repeating mode according to an embodiment of the present application.
  • FIG. 14 to FIG. 15 are schematic structural diagrams of a communication apparatus according to an embodiment of the present application.
  • FIG. 16 is a schematic diagram of a physical structure of a terminal device according to an embodiment of the present disclosure.
  • the wireless communication system includes a terminal device and a wireless access network.
  • the terminal device is also referred to as a user equipment (UE) or a mobile station, including a mobile phone, a handheld Internet of things device, a wearable device, and the like.
  • UE user equipment
  • mobile station including a mobile phone, a handheld Internet of things device, a wearable device, and the like.
  • the radio access network includes at least one radio access device, and each radio access device includes an RRC layer, a PDCP layer, an RLC layer, a MAC layer, a PHY layer, and the like.
  • a wireless access device which can be a base station or a wireless LAN access point.
  • the base station can be divided into two categories: a macro base station and a small base station, and the small base station is further divided into a micro base station, a pico base station, and the like.
  • the WLAN access point can be a router, a switch, or the like.
  • the radio access network may also be divided into at least one distributed unit (DU) and a control unit (CU) connected to the at least one distributed unit according to a protocol layer.
  • the at least one distribution unit each includes an RLC layer, a MAC layer, and a PHY layer.
  • the control unit includes a PDCP layer and respective protocol layers above the RRC layer.
  • the data in various embodiments of the present application includes signaling data and service data.
  • the service data includes enhanced mobile broadband (eMBB) data, massive machine type communication (mMTC) data, and ultra reliable and low latency communication (URLLC) data.
  • eMBB enhanced mobile broadband
  • mMTC massive machine type communication
  • URLLC ultra reliable and low latency communication
  • the wireless communication system can realize the definition of the transmission time unit size and the transmission frequency unit size used for data transmission through different wireless parameter configurations.
  • the wireless parameter configuration may be referred to as a numerology parameter or an air interface format in the fifth generation mobile communication system.
  • the foregoing data is transmitted between the terminal device and the radio access network by establishing at least one radio bearer (RB).
  • the radio bearers are classified into two types: a signaling radio bearer for transmitting signaling data and a data radio bearer for transmitting service data.
  • a radio bearer is a configuration of a set of protocol layer entities.
  • a set of functional entities of the same radio bearer includes one PDCP entity, at least two RLC entities corresponding to the PDCP entity, at least one MAC entity corresponding to the at least two RLC entities, and at least one corresponding to the at least one MAC entity PHY entity.
  • the same PDCP entity corresponds to at least two RLC entities, and each RLC entity corresponds to one channel to send. data.
  • the same PDCP entity on the receiving end corresponds to at least two RLC entities, and each RLC entity corresponds to one channel to receive data. Therefore, the radio bearer between the transmitting end and the receiving end includes at least two channels.
  • the second RLC entity corresponds to the second channel.
  • the transmitting end sends the data on the first channel to the receiving end in the cell 1b or the cell group 1 corresponding to the first channel, and the receiving end receives the data of the first channel sent by the transmitting end in the cell 1b or the cell group 1 corresponding to the first channel.
  • the transmitting end sends the data of the second channel to the receiving end in the cell 2b or the cell group 2 corresponding to the second channel, and the receiving end receives the data in the second channel in the cell 2b or the cell group 2 corresponding to the second channel.
  • data from the same PDCP entity is repeated on the second RLC entity at the transmitting end and the first RLC entity on the transmitting end, so that the stability of sending data at the transmitting end can be improved.
  • the cell group 1 is a primary cell group, and the primary cell group includes one primary cell and at least one secondary cell, for example, a cell 1a (primary cell), 1b, 1c; and the cell group 2 is a secondary cell.
  • the secondary cell group includes at least one secondary cell, such as cells 2a, 2b, 2c.
  • the primary cell group corresponds to the first RLC entity and the first channel.
  • the first RLC entity is also referred to as a primary RLC entity
  • the second RLC entity is also referred to as a secondary RLC entity.
  • the primary cell uses the primary carrier frequency
  • the secondary cell uses the secondary carrier frequency.
  • cell group 1 is a secondary cell group
  • the secondary cell group includes at least one secondary cell, for example, cells 1a, 1b, 1c
  • cell group 2 is a primary cell group
  • the primary cell group includes one The primary cell and at least one secondary cell, such as cell 2a (primary cell), 2b, 2c.
  • the primary cell group corresponds to the second RLC entity and the second channel.
  • the second RLC entity is referred to as a primary RLC entity
  • the first RLC entity is referred to as a secondary RLC entity.
  • the primary cell uses the primary carrier frequency
  • the secondary cell uses the secondary carrier frequency.
  • the carrier aggregation scenario is a scenario of a carrier aggregation (also referred to as dual connectivity) across the wireless access device
  • the wireless access device to which the primary cell group belongs is the primary wireless access device
  • the wireless access device to which the secondary cell group belongs is the secondary wireless access device.
  • the terminal device is served by both the primary wireless access device and the secondary wireless access device.
  • the terminal may use two MAC layer entities to establish a connection with the two wireless access devices respectively.
  • the first RLC entity corresponding to the PDCP entity and the PDCP is located on the primary radio access device, and the second RLC entity corresponding to the PDCP entity is located on the secondary radio access device; or the PDCP entity and The second RLC entity corresponding to the PDCP entity is located on the primary radio access device, and the first RLC entity corresponding to the PDCP entity is located on the secondary radio access device.
  • the same PDCP entity corresponds to only one primary RLC entity (the first RLC entity), and the PDCP entity corresponds to at least one secondary RLC entity (at least one second RLC entity).
  • FIG. 1A the schematic diagram of the wireless communication system protocol stack architecture shown in FIG. 1A is divided into physical communication devices as shown in FIGS. 1B to 1F, and FIGS. 1G and 1H.
  • the transmitting end in the uplink repeat mode, is a terminal device, and the receiving end is a radio access network; in the downlink repeating mode, the transmitting end is a radio access network, and the receiving end is a terminal device. .
  • the radio access network can configure the repeat mode of the uplink and the repeat mode assignment of the downlink, respectively.
  • the radio access network may separately configure a cell or a cell group corresponding to each channel in the uplink and downlink.
  • the cell or cell group corresponding to each channel of the uplink may be different from the cell or cell group corresponding to each channel on the downlink.
  • the deactivation timer of the secondary cell in the corresponding cell or cell group of each channel is prohibited from being used when the repeated mode is activated, and is enabled when the repeated mode is deactivated (optionally , can be indicated by the radio access network).
  • This method can avoid that the secondary cell is disabled due to the timeout of the deactivation timer of the secondary cell when the repeated mode is activated, so that the data in the activated repeated mode cannot be normally transmitted.
  • the radio access network may configure a radio bearer in a repeating mode, but the configuration of the radio bearer does not include a configuration of a deactivation timer of each secondary cell of the secondary cell group ( Optionally, the configuration of the deactivation timer of each secondary cell in the primary cell group is also not included, to prevent the secondary cell from being disabled due to the secondary cell's deactivation timer being expired when the repeated mode is activated, so that the activation is activated.
  • the data cannot be transmitted normally in the repeat mode. If a secondary cell is not used for the radio bearer in the repeat mode, the radio access network may configure the deactivation timer of the secondary cell.
  • the radio access network when the radio access network configures the radio bearer in the repetitive mode, the radio access network may configure a deactivation timer of the secondary cell in the corresponding cell or the cell group but the secondary cell. There is a data transfer before the deactivation timer expires. For example, the radio access network configures specific data transmitted by the secondary cell, and the specific data is transmitted on the secondary cell before the deactivation timer of the secondary cell expires, so that the secondary cell does not time out due to the deactivation timer. It is disabled.
  • the communication device where the PDCP entity is located may transmit only one piece of data to the physics of an RLC entity.
  • Different physical devices For example, the schematic diagram of the protocol stack structure of the wireless communication system shown in FIG. 1C, the RLC entity 1 belongs to an independent DU1, and the RLC entity 2 belongs to an independent DU2.
  • the same PDCP entity corresponding to RLC entity 1 and RLC entity 2 belongs to an independent CU.
  • the CU sends a piece of data to one DU of DU1 and DU2, and another DU. Repeat this data sent by the CU.
  • DU1 and DU2 respectively send duplicate data to the terminal device.
  • the RCL entity 1 and the RLC entity 2 belong to the same DU, and the PDCP entity corresponding to the RLC entity 1 and the RLC entity 2 belongs to the CU.
  • the CU determines the radio bearer corresponding to the PDCP entity when performing the configuration of the repetitive mode, and notifies the DU of the identifier of the radio bearer corresponding to the RLC entity 1 and the RLC entity 2 corresponding to the PDCP entity, and the first of the two RLC entities.
  • the RLC entity 1 and the RLC entity 2 belong to the same DU, and a transmission channel is established between the DU and a CU.
  • the CU sends a PDCP data to the DU through the PDCP entity.
  • the DU copies the PDCP data to the RLC entity 1 and the RLC entity 2 corresponding to the PDCP entity in the radio bearer where the PDCP data is located.
  • the CU may notify the identifier of the radio bearer where the PDCP data is located or the identifier and RLC entity of the RLC entity 1 (first channel) to which the PDCP data is to be sent. At least one of the identification of 2 (second channel).
  • the CU may also notify the DU of the internet protocol (IP) flow to which the PDCP data belongs.
  • IP internet protocol
  • the DU determines whether the data on the two RLC entities in one radio bearer is duplicate data in the repeat mode, and if so, the DU sends a copy on the transmission channel between the DU and the CU. Repeat the data to the CU. For example, the DU may determine whether the PDCP numbers corresponding to the data on the two RLC entities are the same; if they are the same, select the data on one of the RLC entities to send to the CU. If data of the same PDCP number on an RLC entity on the DU is to be sent to the CU, the data is discarded.
  • the DU may determine whether the RLC numbers corresponding to the data on the two RLC entities are the same; if they are the same, select the data on one of the RLC entities to send to the CU. If the same RLC number data is sent to the CU on an RLC entity on the DU, the data is discarded.
  • a radio bearer because an RLC entity corresponds to a channel in the repeat mode, the identifier of an RLC entity may be used to indicate the corresponding channel, and the identifier of the channel may be used to indicate the corresponding RLC entity.
  • a channel of a radio bearer is also referred to as a leg.
  • the different channels in a radio bearer are different logical channels, respectively, using different logical channel identifiers or using identifiers of different RLC entities, and the one radio bearer corresponds to at least two logical channels.
  • the two logical channels may belong to the same logical channel group or may belong to different logical channel groups.
  • At least two channels of one radio bearer belong to the same logical channel and have the same logical channel identifier, and the one radio bearer corresponds to one logical channel.
  • different channels may have the same logical channel identifier but different channel identifiers.
  • the PDCP layer of the signaling radio bearer processes the PDCP data in sequence, such as decryption and integrity check operations. For example, the PDCP layer of the signaling radio bearer of the receiving end first receives the packet No. 2 when the packet No. 1 is received, and then the PDCP layer needs to wait for the arrival of the packet No. 1 and then process the packet of the first packet and the second packet. .
  • the repetition mode is separately managed according to different radio bearers.
  • the repeated mode management under one radio bearer is taken as an example, and for other radio bearers, the management of the repeat mode in the radio bearer may be referred to.
  • the radio bearer may be a signaling radio bearer or a data radio bearer.
  • At least two RLC entities corresponding to the same PDCP entity on one radio bearer taking the two RLC entities, the first RLC entity and the second RLC entity, of the at least two RLC entities as an example,
  • the channels in which the two RLC entities are located are the first channel and the second channel, respectively, and the data on the second RLC entity repeats part or all of the data on the first RLC entity.
  • part or all of the data that is repeated by the second RLC entity on the first RLC entity is from the same PDCP entity.
  • the second RLC entity may not repeat.
  • the first embodiment of the present application provides a communication processing method, which relates to notification management in which a terminal device notifies a radio access network of a data volume to be transmitted in a repeat mode.
  • the first embodiment may be based on the wireless communication system protocol stack architecture shown in any one of FIG. 1A and FIG. 1B to FIG. 1F, wherein the transmitting end is a terminal device and the receiving end is a radio access network.
  • the first embodiment includes the following.
  • the terminal device determines that one of the first channel and the second channel of the radio bearer in the repeat mode needs to trigger a data volume report.
  • the terminal device receives a first message sent by the radio access network, where the first message indicates that the terminal device is to trigger the one channel of the data volume report.
  • the first message carries the identifier of the one channel.
  • the identifier of the one channel may be replaced by the identifier of the RLC entity corresponding to the channel.
  • the terminal device selects the one channel in the first channel and the second channel with a high priority as the one to trigger the data volume report.
  • the channel where each RLC entity corresponding to the same PDCP entity is located is a logical channel
  • the channel priority is a logical channel priority.
  • the terminal device selects the one channel to trigger the data volume report according to the amount of data on each channel in the first channel and the second channel.
  • the second RLC entity repeats some or all of the data transmitted by the PDCP entity to the first RLC entity, since each RLC entity processes the data differently or already has an RLC entity before the repetition Non-repeating data will result in different amounts of data to be transmitted on each channel on the current transmission time unit.
  • the terminal device may select the channel with a small amount of data as the one channel to trigger the data volume report, or select the channel with a large amount of data as the one channel to trigger the data volume report.
  • the terminal device triggers the data volume report, where the data volume report indicates an amount of data on the one channel.
  • the data volume report may be a MAC layer message, such as a buffer status report (BSR).
  • BSR buffer status report
  • the first channel and the second channel belong to the same logical channel: the terminal device triggers a data volume report, and reports the amount of data on the one channel by using the one data volume report.
  • the first channel and the second channel are respectively two different logical channels, where the two different logical channels belong to different logical channel groups: the terminal device triggers two data corresponding to the two channels respectively. Volume report.
  • the terminal notifies the radio access network of the amount of data on the one channel by using a data volume corresponding to the one channel.
  • the data volume report corresponding to the other channel is not cancelled.
  • the first channel and the second channel are respectively two different logical channels, and the two different logical channels belong to the same logical channel group: the terminal device triggers a data volume report, and reports the notification through the data volume report The amount of data on a channel.
  • the amount of data on the first channel includes the amount of data on the same PDCP entity and the amount of data on the first RLC entity on the current transmission time unit, and the amount of data on the second channel is included in the current transmission time unit.
  • the amount of data that is not transmitted to the RLC entity on the current transmission time unit is also above the RLC protocol layer, and the amount of data on the first channel and the amount of data on the second channel are further Includes the amount of data that is not transmitted to the RLC entity.
  • the fifth generation mobile communication system further includes a service data adaptation protocol (SDAP) layer on the PDCP protocol layer, if the PDCP entity has a data amount on the SDAP entity on the current transmission time unit.
  • the amount of data on the first channel and the amount of data on the second channel also include the amount of data on the SDAP entity.
  • the RRC layer is further included on the RLC protocol layer. If there is data volume on the RRC entity on the current transmission time unit, the amount of data on the first channel and the amount of data in the second channel. The amount of data on this RRC entity is also included separately.
  • the amount of data with all data channels may not be included in the data volume report. For example, when configuring the data volume report to notify the data volume that the number of channels is at most N, but greater than N channels have data volume; or, when the terminal device allocates the data to be completed, there are remaining resources to drop the padding BSR, However, the remaining resources cannot drop the MAC subheader corresponding to the corresponding padding BSR+ on all channels with data volume.
  • the same PDCP entity corresponds to two RLC entities, which can respectively correspond to two logical channels.
  • the radio access network can set the priority of one of the logical channels to an infinite low. In this way, when the uplink resource is sufficient, the data volume report may report the data volume of the two logical channels, or may report only the buffered data volume of the logical channel with higher priority when the uplink resource is tight or limited.
  • the priorities of the two logical channels are variable, for example, according to the size of the buffered data, when the data volume of the logical channel 1 is greater than the buffered data amount of the logical channel 2, the logical channel 1 is a normal priority.
  • Logical channel 2 is set to infinitely low.
  • the terminal device sends the data volume report to a radio access network.
  • the method further includes:
  • the terminal device receives a second message sent by the radio access network, where the second message indicates a cell or a cell group corresponding to the first channel, and a cell or a cell group corresponding to the second channel.
  • the sending, by the terminal device, the data volume report to the radio access network specifically: the terminal reporting the data volume to a cell or a cell group corresponding to the one channel to the radio access network Sending, or the terminal device reports the data volume to other cells or groups of cells other than the cell or cell group corresponding to the one channel, and sends the data to the radio access network.
  • the terminal device in the cell or cell group corresponding to the one channel goes to the one
  • the wireless access device to which the channel belongs sends the data volume report.
  • the terminal device connects to the same radio in the cell or cell group corresponding to the one channel.
  • the incoming device sends the data volume report.
  • the terminal device determines whether the resource corresponding to the cell or the cell group of the one channel sends the data volume report. If there is no resource corresponding to the cell or the cell group, the terminal device sends the data volume report by using a semi-static resource of another cell or other cell group or a dynamic resource scheduled by the radio access network. Otherwise, the terminal sends the data volume report by using the resources of the one channel corresponding to the cell or the cell group.
  • the semi-static resources of other cells or other cell groups are allocated by the radio access network to resources that the terminal device can use multiple times, for example, periodic resources reserved for the terminal device.
  • the radio access network may determine the data transmission resource according to the data volume of the one channel.
  • the radio access network may determine the data transmission resource under the radio bearer according to the amount of data on the one channel.
  • the radio access network multiplies the data amount of the one channel by the number of all RLC entities corresponding to the same PDCP entity in the repeat mode of the radio bearer, thereby obtaining the wireless The amount of data to be transmitted under the bearer.
  • the number of all RLC entities corresponding to the same PDCP entity is 2. It should be noted that, due to the complexity of the network environment, the data transmission resource under the radio bearer determined by the radio access network may not be sufficient to ensure that the terminal device transmits the data to be transmitted in the radio bearer.
  • the radio access network determines data transmission resources under each radio bearer.
  • the total data transmission resource available to the terminal device is the sum of the determined data transmission resources under each radio bearer.
  • the terminal device notifies the radio access network of the amount of data on one channel of the at least two channels in the repeated mode, which can reduce the amount of data that the terminal device needs to notify each channel. Signaling overhead.
  • the second embodiment of the present application provides a communication processing method involving activation management in a repeat mode.
  • the second embodiment may be based on the wireless communication system protocol stack architecture shown in any of FIG. 1A, and FIGS. 1B through 1F, and FIGS. 1G and 1H.
  • the terminal device since the second embodiment includes the case where the repetition mode is activated, the terminal device notifies the radio access network of the management of the amount of data to be transmitted, and thus, the first embodiment may be used as the activation management in the second embodiment.
  • the link repetition mode is activated.
  • the embodiment of the present application includes the following content.
  • the radio access network determines whether to activate a repeat mode of the radio bearer.
  • the radio access network may determine a repetition pattern of the radio bearers on the uplink and a repetition mode of the radio bearers on the downlink, respectively.
  • the radio access network measures the channel quality of the uplink, and determines whether the repeat mode of the radio bearer is activated according to the channel quality of the uplink. If the channel quality is less than the preset threshold, the radio access network determines to activate the repeating mode of the radio bearer on the uplink to ensure the stability of data transmission.
  • the terminal device has a high priority data to be transmitted on the radio bearer, and the radio access network determines a repetition mode in which the radio bearer is activated.
  • the radio access network may not be activated. (ie deactivate) the repeating mode of the radio bearer.
  • the CU may determine whether to activate the repeat mode, or determine whether the repeat mode is activated by the DU.
  • the CU or the DU may determine whether to activate the repeat mode according to the measurement report of the cell signal quality of the terminal device or the cell load information.
  • the signal quality of the serving cell reported by the terminal device is lower than a certain threshold (for example, the signal strength of the serving cell is lower than a certain threshold, the channel quality of the serving cell is lower than a certain threshold, or the negative ratio of the HARQ exceeds a certain threshold, and the RLC retransmission exceeds a certain threshold.
  • the threshold or the serving cell load is above a certain threshold, and the CU or DU determines that the repeating mode needs to be performed to improve data transmission stability.
  • the CU or DU may activate a repeating pattern of at least one radio bearer of the terminal device to improve the transmission stability of data on the radio bearers.
  • the CU or the DU further selects the cells of the radio bearer repeated data transmission in the activated repetition mode based on the signal quality or the cell load of other cells in the UE measurement report, such as selecting a cell with good cell signal quality or low load.
  • the measurement report reported by the terminal device to the CU or the DU may be a reference signal received power (RSRP) or a reference signal received quality (RSRQ) measurement report, and an RLC/MAC/PHY layer measurement report.
  • RSRP reference signal received power
  • RSRQ reference signal received quality
  • RLC/MAC/PHY layer measurement report may be a terminal device that the CU requests from the DU, for example, requesting to be sent to the CU periodically or based on event triggering.
  • the report is measured at the MAC layer.
  • the CU may notify the DU which cell of the terminal the MAC layer measurement report is requested for.
  • the CU may carry the identity of the cell in the request, and the terminal identifier of the terminal device on the CU and the DU interface.
  • the DU sends the RLC/MAC/PHY layer measurement report to the CU periodically or event-triggered in response to the CU's request.
  • the CU informs the DU by which RRC message which repeating mode of the signaling radio bearer is activated and the at least two signalings repeated in the signaling radio bearer respectively correspond to aisle.
  • the CU performs the repetition of the PDCP data packet
  • the CU indicates the SRB type and the channel identifier (for example, the logical channel identifier) corresponding to the RRC message when the interface between the CU and the DU sends the RRC message, so that the DU acquires the RRC message.
  • the RRC message is transmitted to the channel (or the RLC entity) corresponding to the channel identifier in the SRB corresponding to the SBR type.
  • the repeat mode of one SRB is activated.
  • the SRB includes a PDCP entity in the CU. Therefore, when the interface sends an RRC message to the CU between the CU and the DU, the DU indicates the SRB type corresponding to the RRC message, so that The CU learns which SCP corresponding PDCP entity transmits the RRC message, which may not indicate the channel identifier.
  • the CU generates an RRC message 1, which is carried on the signaling radio bearer 1.
  • the signaling radio bearer 1 After the repeating mode of the signaling radio bearer 1 is activated, the signaling radio bearer 1 includes two channels, namely, channel 1 and channel 2.
  • the CU repeats the RRC message 1 to 2, and puts the first RRC message 1 into an interface message (for example, a first DL RRC transfer message) between the CU and the DU, and indicates SRB type and channel identifier 1 (eg logical channel identifier 1), put the second RRC message 1 into another interface message (for example, the second DL RRC transfer message) between the CU and the DU, and indicate the SRB type and channel Identification 2 (eg logical channel identification 2).
  • an interface message for example, a first DL RRC transfer message
  • SRB type and channel identifier 1 eg logical channel identifier 1
  • the second RRC message 1 into another interface message (for example, the second DL RRC transfer message) between the CU and the DU, and indicate the SRB type and channel Identification 2 (eg logical channel identification 2).
  • the CU can put the duplicated RRC messages 1 into an interface message (for example, DL RRC transfer) between the CU and the DU, and respectively provide corresponding correspondence for each RRC message 1.
  • an RRC message belonging to the same SRB may give only one SRB type without indicating the SRB type.
  • multiple identical duplicate data are sequentially sent to at least two RLC entities corresponding to the same PDCP entity.
  • an interface message for example, an F1 message
  • a CU and a DU contains a downlink RRC transfer message.
  • the RRC container contains an RRC message.
  • the SRB type is the SRB, SRB1, SRB2, SRB1S, SRB2S, or SRB3 corresponding to the RRC message.
  • the CU is configured to notify the SDU of the terminal that the SRB1 of the terminal corresponds to the channel identifier 1 and the channel identifier 2, the CU subsequent CU and the DU interface (which may be simply referred to as the F1 interface) send the RRC message, and the RRC message is carried.
  • an interface message for example, an F1 message
  • a CU and a DU contains a plurality of downlink RRC transfer messages.
  • the CU when transmitting a duplicate PDCP data packet, the CU carries the identifier of the channel to which the PDCP data packet is to be transmitted in the header of the PDCP data packet.
  • the channel identifier is carried in the interface message header of the CU and the DU interface.
  • the interface message may be a user plane tunnel (GTP-U) message.
  • the DU reads the received at least two PDCP data packets and determines the number of the at least two PDCP data packets. The DU further determines that the PDCP data packets having the same number in the at least two PDCP data packets are duplicate PDCP data in which the repeated mode is performed. The DU sends the determined duplicate PDCP data to different RLC entities corresponding to the same PDCP entity for repeated transmission.
  • the CU user plane performs the repetition of the PDCP data packet, and the CU control plane may determine whether to activate the repeat mode of the radio bearer according to the cell signal quality or the cell load information. And notifying the CU user whether the repeat mode of the radio bearer is activated.
  • the CU control plane sends an RRC message on the F1 interface.
  • the method in the above table is used to indicate the channel identifier corresponding to the RRC message or the user plane data, so that the DU will use the RRC message or the user.
  • the face data is sent to the RLC entity corresponding to the SRB or DRB.
  • the CU user plane performs the repetition of the PDCP data packet, and the DU determines whether to activate the repeat mode of the certain radio bearer according to the cell signal quality or the cell load information, and notify the CU. Whether the repeat mode of the radio bearer of the user plane is activated.
  • the CU user plane performs the repetition of the PDCP data packet
  • the DU determines whether to activate the repeat mode of the certain radio bearer according to the cell signal quality or the cell load information, and notify the CU. Whether the repeat mode of the radio bearer of the user plane is activated.
  • the radio access network measures the channel quality of the downlink, and determines whether the repeat mode of the radio bearer is activated according to the channel quality of the downlink. If the channel quality of the downlink is less than the preset threshold, the radio access network determines to activate the repeat mode of the radio bearer on the downlink to ensure the stability of data transmission. Alternatively, the radio access network has higher priority data to be transmitted on the radio bearer, and the radio access network determines a repetition mode in which the radio bearer is activated.
  • the wireless access network may go A repeating pattern of the radio bearers on the downlink is activated.
  • the communication processing of the uplink and downlink is similar.
  • the transmitting end is a terminal device, and the receiving end is a radio access network.
  • the transmitting end is a radio access network.
  • the transmitting end may use the repeat mode to transmit data.
  • the PDCP data of one PDCP entity on the radio bearer is transmitted to the corresponding first RLC entity on the first channel, and is repeatedly transmitted on the corresponding second RLC entity on the second channel.
  • the transmitting end does not use the repeat mode to transmit data.
  • the second RLC entity does not repeat some or all of the data on the first RLC entity.
  • the radio access network may also notify the first RLC entity and in the case of repeated mode deactivation.
  • One RLC entity in the second RLC entity transmits data from the PDCP entity, while another RLC entity does not transmit any data from the PDCP entity or another RLC entity can transmit data from the PDCP entity but not duplicated (this kind of data) In this case, the first RLC entity of the same PDCP entity and one of the second RLC entities may not be released, and there are still two channels to transmit non-duplicate data).
  • the repetition mode is deactivated in the uplink
  • the one RLC entity is determined by the radio access network as the receiving end or the terminal device itself as the transmitting end.
  • the repeat mode of the downlink is deactivated, and the one RLC entity is determined by the radio access network as the transmitting end.
  • the one RLC entity is a primary RLC entity.
  • the channel where one RLC entity of the first RLC entity and the second RLC entity is located transmits data, and the channel of another RLC entity is located. No more data is transferred.
  • the next transmission time unit that confirms that the repetition mode is deactivated at the transmitting end starts to stop the repetition mode. If the transmitting end is a wireless access device, the wireless access device sends a first indication message indicating that the repeated mode is deactivated, and then the next transmission time unit starts to stop transmitting in the repeated mode.
  • the next transmitting time unit starts to stop the sending of the repeated mode after receiving the first indication information indicating that the repeated mode is deactivated.
  • the PDCP entity at the transmitting end sends the PDCP data to an RLC entity, and does not send the repeated PDCP data to other RLC entities, or the repeated PDCP data is sent to other RLC entities, and the received RDC entity is not received.
  • Repeat PDCP data If other RLC entities still have duplicate data before being deactivated (data that has not been transmitted in the air interface or retransmitted (transmitted in the air interface but needs to be sent again)) is not sent, other RLC entities will cache.
  • the duplicate data before being deactivated is sent, or other RLC entities discard the duplicate data in the cache, or the data that has not been transmitted in the air interface is discarded after the data is retransmitted in the duplicate data in the cache.
  • Other RLC entities may perform discarding by performing RLC reconstruction. For example, stop the RLC timer corresponding to the data to be discarded, and clear the RLC transmission status variable of the data to be discarded.
  • the primary wireless access device where the primary RLC entity is located and the secondary wireless access device where the secondary RLC entity is located are not directed to the terminal device. Send duplicate data and send non-duplicate data to the terminal.
  • the terminal device if the repetition mode is deactivated, on the uplink, the terminal device sends non-repetitive data to the primary base station and the secondary base station respectively, and no longer sends duplicates to the primary base station and the secondary base station. data.
  • the terminal device may select or determine, by the radio access network device, which channel of the first channel and the second channel is deactivated under the radio bearer.
  • the deactivated channel is disabled, or duplicate data is sent but non-duplicate data can be sent.
  • the transmitting PDCP entity sends duplicate data to the RLC entity corresponding to the deactivated channel
  • the RLC entity at the sending end discards the duplicate data, or the transmitting end PDCP entity does not correspond to the deactivated channel of the sending end.
  • the RLC entity transmits any data.
  • the RLC entity corresponding to the deactivated channel of the receiving end discards data from the MAC layer, or the receiving MAC layer does not send any data to the RLC entity corresponding to the deactivated channel.
  • the first channel corresponds to the primary cell or the primary cell group
  • the second channel is deactivated, and the second RLC entity on the second channel does not repeat the data transmitted on the first RLC entity.
  • the primary radio access device and the secondary wireless access device provide communication services for the terminal device.
  • two RLC entities corresponding to the same PDCP entity are respectively located in the main device.
  • Wireless access devices and secondary wireless access devices In a non-CU and DU networking scenario, the PDCP entity can be on the primary wireless access device or the secondary wireless access device. In the CU and DU networking scenario, the PDCP entity is on the CU, and the two DUs in which the two RLC entities corresponding to the PDCP entity are located are the primary radio access device and the secondary wireless access device.
  • the primary radio access device and the secondary radio access device transmit duplicate data.
  • the first indication message sent by the radio access network to the terminal device, where the first indication message is used to indicate whether to activate the repetition mode of the radio bearer.
  • the first indication message may be a MAC layer message or an RRC layer message.
  • the radio access network may also notify the validity time of the first indication message, where the effective time is used to indicate when the repetition mode indicated by the first indication message is valid, or the duration of the effective period.
  • the first indication message and the effective time may be notified by the CU to the DU.
  • the DU sends a MAC layer message to notify the terminal to activate the repeat mode according to the indication of the effective time.
  • the DU may notify the terminal device to deactivate the repeated mode by using the MAC layer message according to the discovery that the repeated mode is about to expire.
  • the first indication message and the validation message may also be generated by the DU and sent to the CU.
  • the first indication message is generated by the CU, the first indication message is sent by the CU to the DU, and the DU sends the first indication message to the terminal device as a MAC layer message.
  • the effective time may also be sent to the UE through the DU for processing by the UE. For example, the repeat mode is valid at the specified time, and when the countdown to the effective time is 0, the repeat mode is stopped.
  • the radio access network device may further notify the terminal device that the first indication message is for an uplink or a downlink.
  • At least two channels corresponding to the same PDCP entity of the terminal device no longer transmit uplink duplicate data, but switch to uplink non-repetitive data transmission.
  • uplink non-duplicate data or a data volume report indicating the amount of data is transmitted in at least one channel.
  • the terminal device when the data volume is smaller than a certain threshold, the terminal device sends the uplink non-repeating data in one channel of the at least one channel; when the data volume is greater than or equal to the threshold, the terminal device sends all the channels in the at least one channel.
  • Upstream non-duplicate data when the data volume is smaller than a certain threshold, the terminal device sends the uplink non-repeating data in one channel of the at least one channel; when the data volume is greater than or equal to the threshold, the terminal device sends all the channels in the at least one channel.
  • the terminal device when the data volume size is less than a certain threshold, the terminal device sends the data volume report in one channel of the at least one channel; when the data volume size is greater than or equal to the threshold, the terminal device uses all channels in the at least one channel. Send the data volume report.
  • one of the at least one channel is indicated by a radio access network, or predefined by a protocol, for example, predefined as a first channel.
  • a wireless access device (a primary wireless access device or a secondary wireless access device) in the wireless access network sends the first indication message to the terminal device, and the first indication is sent.
  • the wireless access device of the message notifies the other wireless access device whether the repeat mode is activated or deactivated so that in the case where the repeat mode is deactivated, the other wireless access device performs the RLC reconstruction.
  • the repetition mode is deactivated, and the wireless access network may configure which wireless access device is located in the channel to continue data transmission, and the other wireless access device stops the repeated data transmission.
  • the repeat mode is activated from being activated to being deactivated.
  • the terminal device and the radio access network use the channel where the primary radio access device is located for data transmission (optionally, the channel where the secondary radio access device is located continues to transmit after the data is repeatedly repeated in the HARQ buffer, and then stops or directly discards. Duplicate data in the HARQ cache).
  • the terminal device and the radio access network perform data transmission on the channel where the secondary wireless access device used before the repeated mode is activated, the terminal device and the wireless connection are after the repeated mode is activated to deactivated.
  • the data is transmitted between the access network and the channel where the primary wireless access device is located.
  • the channel where the primary wireless access device is located continues to transmit after the data has been duplicated in the HARQ buffer, and then stops transmitting or directly discards the duplicate data in the HARQ cache).
  • the message structure of the first indication message may include the following:
  • the first indication message includes a first field and a second field, where the first field indicates that the first indication message is a control on the repetition mode.
  • the second field indicates whether the repeat mode is activated.
  • the first field may be a set of binary bits of at least 1 bit, and the second field may occupy 1 bit, by which the bit status indicates whether the repeat mode is activated.
  • the first field and the second field are included in a subheader of the MAC message.
  • the first indication message further includes a third field, where the third field indicates the radio bearer corresponding to the repeated mode.
  • the third field may specifically be an identifier of the radio bearer. If the terminal device is configured with only one radio bearer in the repeating mode, the third indication field may not be included in the first indication message, and the terminal device may know whether the repetition mode of the radio bearer is activated. If the terminal device is configured with at least two radio bearers, the terminal device can learn whether the repeat mode of each radio bearer is activated by using the second field and the third field in the first indication message. Optionally, the location of each radio bearer in the entire first indication message may be arranged according to the identifier size of each radio bearer.
  • the second field of the first indication message indicates that the repeat mode corresponds to the bit position of the bit.
  • the radio bearer indicates whether the radio bearer is activated by the bit status of this bit.
  • the position of the first bit of the second field indicates radio bearer 1
  • the bit status of the first bit indicates whether the repeat mode of the radio bearer 1 is activated
  • the position of the second bit of the second field indicates the radio bearer 2
  • the bit status of the second bit indicates whether the repeat mode of the radio bearer 2 is activated.
  • the location of each radio bearer in the entire first indication message may be arranged according to the identifier size of each radio bearer.
  • the number of bits of the second field in the first indication message is a certain preset value, for example, the maximum number of identifiers of the radio bearers or the maximum number of radio bearers that the terminal device can support.
  • the number of bits of the second field is a multiple of 8, for example 32 bits, so that the message format is implemented in units of byte integer multiples.
  • the terminal device can support a maximum of 32 radio bearers, and the number of bits in the second field is 32, and each radio bearer corresponds to one bit position.
  • the terminal device is configured with two radio bearers of the 32 radio bearers supporting the repeating mode, such as the foregoing radio bearer 1 and radio bearer 2.
  • the terminal device When receiving the first indication message, the terminal device detects the bit status of the corresponding bit position on the radio bearer 1 and the radio bearer 2, and can learn whether the repetition mode of the radio bearer 1 and the repetition mode of the radio bearer 2 are activated,
  • the radio bearer 3 to the radio bearer 32 is not configured to the terminal device in actual communication or may not support the repeat mode, and the terminal device ignores the bit state in the bit position corresponding to the radio bearer 3 to the radio bearer 32 in the first indication message.
  • the radio access network sets the second field in the first indication message according to the size of the radio bearer identifier to set the first X bits or
  • the bit state of the last X bits corresponds to whether the repetition mode of the X radio bearers is activated (for example, the first bit corresponds to the radio bearer 1, the second bit corresponds to the radio bearer 3, and the third bit corresponds to the radio bearer 5), and the terminal device reads The first X bit or the last X bit of the second field in the first indication message, so as to know whether the repetition mode of the X radio bearers is activated, and the other bits still in the second field are ignored.
  • At least two radio access devices in the radio access network provide communication services (eg, dual connectivity scenarios) for the terminal devices by establishing multiple radio bearers, where some radio bearers are across the wireless access devices (eg, The PDCP entity and the first RLC entity in the same radio bearer are on the radio access device A, and the second RLC entity is on the radio access device B), and some radio bearers are not across the radio access device (for example, the same radio bearer)
  • the medium PDCP entity, the first RLC entity and the second RLC entity are all on the wireless access device A).
  • a certain wireless access device knows the radio bearers established thereon, and does not know the radio bearers on other radio access devices serving the same terminal.
  • each of the wireless access devices respectively sends a first indication message to the terminal device, where each of the first indication messages respectively indicates whether a repetition mode of the radio bearer on each wireless access device is activated, for example, a wireless access device.
  • the first indication message sent by the A indicates that the repetition mode of the at least one radio bearer on the radio access device A is activated
  • the first indication message sent by the radio access device B indicates the at least one radio bearer on the radio access device B. Whether the repeat mode is activated.
  • the radio access device A arranges all radio bearers of the radio access device A according to the identifier size (1, 3, 5), and sets the first X bits of the second field according to the identifier size of the radio bearer of the radio access device A.
  • the radio access device B arranges all radio bearers of the radio access device B according to the identifier size (2, 4, 5), and sets the first X bits of the second field according to the identifier size of the radio bearer of the radio access device B. Or the bit state of the last X bits.
  • the wireless access device may notify each and every radio bearer after each bit position in the second field in a first indication message by means of notification and negotiation, and this is performed by a wireless access device.
  • An indication message is sent to the terminal device.
  • the first indication message indicates whether the repetition mode of the radio bearer on all the wireless access devices is activated.
  • the radio bearers of the radio access device A may be ranked in the first few bits of the second field, and are arranged in the first few bits according to the identifier size of the radio bearer of the radio access device A,
  • the radio bearer of the radio access device B is arranged in the last few bits of the second field, and is arranged in the last few bits according to the identifier size of the radio bearer of the radio access device B.
  • the radio bearers that can be supported by all the terminal devices can be arranged according to the identifier size, and the radio access network sets the second field in the first indication message according to the size of all the radio bearer identifiers.
  • the bit state of the integer number of bits or the last X bits corresponding to 1 corresponds to whether the repetition mode of the X radio bearers to which the current terminal is configured is activated, and the first indication message is sent by the wireless access device to the terminal.
  • the device in this case, indicates in the first indication message whether the repeat mode of the currently configured radio bearer is activated.
  • the radio access network may notify the terminal device that the bit position in the second field in the first indication message is associated with the radio bearer, so that the terminal knows which radio bearer corresponds to a certain bit, and the terminal detection is configured.
  • the bit status of the bit position of the radio bearer in communication is obtained, and whether the repetition mode of the configured radio bearers is acquired is activated.
  • the first indication message includes a first field and a second field, where the first field indicates that the first indication message is a control message for a repeating mode, The two fields indicate whether the first channel and the second channel are activated.
  • the second field contains 2 bits, one of which indicates whether the first channel is activated and the other bit indicates whether the second channel is activated.
  • the repeat mode is activated.
  • the repetition mode is deactivated, or the first indication message is an invalid message. If the first indication message is an invalid message, the terminal device discards the first indication message.
  • the first indication message may include a third field, where the third field indicates an identifier of the first channel and the second channel or an identifier of the radio bearer to which the repetition mode belongs.
  • the position of each channel in the entire first indication message may be arranged according to the identification size of each channel.
  • the second field in the first indication message indicates the first channel by using the location of the first bit, and indicates whether the first channel is activated by using the bit status of the first bit.
  • the second bit is located to indicate the second channel, and the bit status of the second bit indicates whether the second channel is activated. In this way, both the channel can be indicated by the same bit, and whether the channel is activated or not can be indicated.
  • the position of each channel in the entire first indication message may be arranged according to the identification size of each channel.
  • the first indication message may achieve the purpose of indicating whether the repetition mode of a certain radio bearer is activated by indicating whether the second channel is activated.
  • the first indication message includes a first field and a second field, where the first field indicates that the first indication message is a control message for a repeating mode, and the second field indicates a second channel. Whether it is activated.
  • the first indication message further includes a third field, where the third field indicates an identifier of the second channel.
  • the first channel corresponding to the cell or the cell group is the primary cell or the primary cell group, or the channel identifier of the first channel is smaller than the channel identifier of the second channel.
  • the second field in the first indication message indicates the second channel by the location of the first bit, and indicates whether the second channel is activated by the bit status of the first bit.
  • the second channel is indicated by the location of the second bit, and the second channel is indicated by the bit state of the second bit. In this way, both the channel can be indicated by the same bit, and whether the channel is activated or not can be indicated.
  • the position of each channel in the entire first indication message may be arranged according to the identification size of each channel.
  • the first indication message includes a first field and a second field, where the first field indicates that the first indication message is a control message for the repeat mode, and the second field indicates whether the message is activated. If the first indication message is from the cell or the cell group corresponding to the first channel, indicating that the second field is a control for whether the first channel is activated; if the first indication message is from the cell or cell corresponding to the first channel, The two fields are controls on whether the second channel is activated. In the case where both the first channel and the second channel are activated, the repeat mode is activated. In the case where one of the first channel and the second channel is deactivated, the repeat mode is deactivated.
  • the position of each channel in the entire first indication message may be arranged according to the identification size of each channel.
  • the CU corresponding to the DU or the DU If the cell or cell group corresponding to the first channel and the second channel belongs to the same DU in the radio access network, in 301, the CU corresponding to the DU or the DU generates a first indication message, and the first indication is sent by the DU. A message to indicate whether the repeat mode is activated.
  • the two different DUs may pass through the first channel and the second channel respectively.
  • the cell or the cell group corresponding to the channel indicates whether the first channel and the second channel are activated by using the first indication message, or one of the two different DUs indicates the first indication message by using the first indication message in the dual connectivity scenario of carrier aggregation. Whether one channel and the second channel are activated.
  • the first indication message may be control plane signaling or user plane indication information. User plane indication information can be sent simultaneously with duplicate data.
  • the two different DUs may pass through the first channel and the second channel respectively.
  • the corresponding cell or group of cells indicates whether the first channel and the second channel are activated by using the first indication message, or, in the dual connectivity scenario of carrier aggregation, one of the two different DUs indicates by the first indication message Whether one channel and the second channel are activated.
  • the two different radio access devices may indicate whether the first channel and the second channel are activated by using the first indication message by the cell or the cell group corresponding to the first channel and the second channel, respectively, or in a dual connectivity scenario of carrier aggregation.
  • the first indication message of one of the two different wireless access devices indicates whether the first channel and the second channel are activated.
  • the terminal device can know whether a repetition mode of the radio bearer on at least one of the uplink and the downlink is activated.
  • the same PDCP entity has one channel corresponding to all channels to reach the radio link failure trigger condition, but there is at least one The channel can still be used to transmit data, and the transmitting end determines that the wireless link that does not need to trigger the channel fails, or the transmitting end does not reestablish the wireless link in the channel and the receiving end even if the wireless link failure on the channel is triggered.
  • the sending end triggers the radio link failure.
  • the terminal device that is the transmitting end notifies the radio access network that a radio link failure has occurred.
  • the radio link reconstruction is triggered only when the same PDCP entity of the signaling radio bearer detects that the radio link fails on all the channels; otherwise, the wireless link is not triggered. The link failed.
  • the channel where the primary RLC entity of the sender is located can trigger the radio link failure, and the secondary RLC is sent.
  • the channel where the entity is located does not have the ability to trigger the failure of the radio link.
  • the maximum number of RLC retransmissions set by the secondary RLC entity is set to infinity, or the RLC retransmission is not counted, or the channel of the secondary RLC entity can trigger the wireless chain.
  • the first channel in which the first RLC entity is located can still transmit data, which can ensure continuous transmission of data, and can avoid data interruption problems caused by wireless link reconstruction.
  • the foregoing method further includes at least one of the following:
  • the transmitting end determines that data transmitted on the PDCP entity to the first RLC entity is not repeated on the second RLC entity;
  • the transmitting end clears the duplicate data on the second RLC entity
  • the transmitting end clears all duplicate data from the second RLC entity in the MAC layer or clears duplicate data in the MAC layer from the second RLC entity and does not enter the HARQ buffer;
  • the transmitting end determines, on the second RLC entity, the duplicate data that does not need to be transmitted in the air interface, and if the repeated data determined by the second RLC entity has started to be transmitted in the air interface, the sending end continues to transmit the determined by the second RLC entity.
  • Duplicate data
  • the transmitting end transmits data from the PDCP entity that is not duplicated with data on the first RLC entity.
  • the sender may also release the resources occupied by the second RLC entity.
  • the transmitting end transmits the data on the PDCP entity to the first RLC entity, and the data transmitted to the first RLC entity is repeated on the second RLC entity.
  • the PDCP entity before the repetition mode is activated, the PDCP entity has data 37 and data 38 to be transmitted, the first RLC entity has data 35 and 36 to be transmitted, and the second RLC entity has no data.
  • the transmitting end transmits the data 37 and 38 on the PDCP entity to the first RLC entity and repeats the data 37 and data 38 on the second RLC entity.
  • the terminal device repeats part or all of the data on the first RLC entity to the second RLC entity.
  • the portion of the data that is already present on the first RLC entity before the current transmission time unit may not be repeated to the second RLC entity.
  • the first RLC entity before the repetition mode is activated, the first RLC entity has data 35 and data 36 to be transmitted. After the repeat mode is activated, the data 35 and data 36 on the first RLC entity are repeated on the second RLC entity.
  • the terminal device transmits some or all of the data on the first RLC entity to the MAC layer and repeats at the MAC layer, and indicates that the repeated data is from the second channel.
  • the MAC layer still indicates that the repeated data is from the second RLC entity of the second channel.
  • the MAC layer repeats it indicates that the repeated data is from the second RLC entity repetition, which is equivalent to the second RLC entity repeating some or all of the data on the first RLC entity.
  • the data 35 and the data 36 on the first RLC entity have been transmitted to the MAC layer, and the second RLC entity does not repeat the data 35 and the data 36; Thereafter, the MAC layer repeats the data 35 and data 36 and indicates that the repeated data 35 and the repeated data 36 are from the second channel, i.e., transmitted by the second RLC entity on the second channel.
  • the MAC layer sends the data 35 and the data 36 from the first RLC entity to the primary cell or the primary cell group corresponding to the first channel, and sends the repeated data 35 and the repeated data 36 to the secondary cell or the secondary corresponding to the second channel.
  • Community group
  • the transmitting end is a terminal device, and the receiving end is a radio access network.
  • the method also includes the following.
  • the terminal device cancels the data volume report that has been triggered on the second channel.
  • the terminal device is configured by the radio access network to cancel the data volume report that the second channel has triggered, after receiving the first indication message indicating that the repetition mode is deactivated.
  • the terminal device triggers a data volume report according to the first indication message.
  • the data volume report may be a MAC layer message, such as a BSR.
  • the amount of data indicated in the data volume report may include the amount of data on the first channel and the second channel, or may be included in the foregoing method embodiment 201. The amount of data for one channel in one channel and the second channel.
  • one of the first channel and the second channel may be 0. If the first channel corresponds to the cell or the cell group has resources, the data volume report is sent in the corresponding cell or cell group of the first channel; if the second channel corresponds to the cell or the cell group has resources, the data volume is reported on the second channel. The corresponding cell or cell group is also sent. Optionally, after the data volume report is sent on both the first channel and the second channel, the terminal device cancels the data volume report. If the resource of the second channel sends the data volume report.
  • the terminal device sends the data volume report by using a semi-static resource of another cell or other cell group. Otherwise, the terminal sends the data volume report by using the resources of the one channel corresponding to the cell or the cell group.
  • the second RLC entity on the second channel of the radio bearer does not repeat.
  • the amount of data indicated in the data volume report contains the amount of data of the first channel of the radio bearer.
  • the second channel no longer transmits duplicate data, but the second channel may transmit data non-repeating data from the PDCP entity and the first RLC entity.
  • the amount of data indicated in the data volume report further includes the data amount of the non-duplicate data on the second channel.
  • the data of the radio bearer can be repeatedly transmitted through the first channel and the second channel of the first RLC entity and the second RLC entity of the radio bearer, thereby improving data transmission stability.
  • the second channel of the radio bearer transmits data different from the first RLC entity (ie, non-repeating data), thereby improving the efficiency of data transmission.
  • the second channel of the radio bearer may not transmit any data until the first indication message sent by the radio access network indicates that the repeat mode is activated.
  • the terminal device immediately triggers the data volume report upon receiving the first indication message (regardless of whether the first indication message indicates whether the repetition mode is activated).
  • the terminal device is configured by the radio access network to trigger the data volume report immediately upon receiving the first indication message.
  • the terminal device further determines whether at least one of the PDCP entity and the first RLC entity has data; if yes, the terminal device triggers data. Volume report.
  • the method described in the second embodiment further includes:
  • the terminal device sends a data volume report to the radio access network when there is a resource for reporting the data volume.
  • the radio access network allocates a data transmission resource to the terminal device according to the amount of data indicated in the data volume report.
  • the terminal device sends data to the radio access network according to the data transmission resource.
  • the radio access network may indicate resources allocated to the corresponding cell or cell group of the first channel and resources of the cell or cell group corresponding to the second channel in the allocated data transmission resource.
  • the radio access network receives the data sent by the terminal device on the data transmission resource.
  • the radio access network receives data from the corresponding cell or cell group of the first channel, the received data is delivered to the first RLC entity of the radio access network for processing; if the radio access network is from the When the two-channel corresponding cell or cell group receives the data, the received data is delivered to the second RLC entity of the radio access network for processing.
  • the first RLC entity and the second RLC entity aggregate the processed data to the same PDCP entity.
  • the transmitting end and the receiving end may perform communication processing for whether the uplink and downlink repeating modes are activated, so that the uplink and downlink repeating modes are activated. Or managed in the case of deactivation.
  • the third embodiment of the present application provides a communication processing method, and the third embodiment relates to a configuration management method for a repeat mode on an uplink or a downlink.
  • the method may be combined with the solution of the second embodiment, and the configuration management method provided by the third embodiment is applied before the activation management method of the second embodiment.
  • the third embodiment may be based on the wireless communication system protocol stack architecture shown in FIG. 1A, and any of FIGS. 1B through 1F. Referring to the flow chart of the communication processing method shown in FIG. 4, the following contents are included.
  • the radio access network determines configuration information in the repeat mode.
  • the configuration information may be a configuration of a repeating mode for a radio bearer on an uplink or a downlink.
  • the terminal device receives configuration information sent by the radio access network.
  • the configuration information indicates a cell or a cell group corresponding to the first channel, and a cell or a cell group corresponding to the second channel.
  • the terminal device may send, by using the configuration information, the data on the first channel to the radio access network by using the cell or the cell group corresponding to the first channel, or the data on the second channel.
  • the cell or the cell group corresponding to the second channel is sent to the radio access network.
  • the terminal device receives, according to the configuration information, data sent by the radio access network in the corresponding cell or the cell group of the first channel from the cell or the cell group corresponding to the first channel, corresponding to the second channel.
  • the cell or cell group receives data sent by the radio access network in the corresponding cell or cell group of the second channel.
  • the cell or the cell group corresponding to the first channel may belong to the same DU, and the configuration information may be generated by the same DU and sent to the terminal device or generated by the CU corresponding to the DU.
  • the DU is sent to the terminal device.
  • the cell or the cell group corresponding to the first channel may also belong to different DUs.
  • the CU sends the configuration information of the repeated mode to the DU through the F1 interface.
  • the configuration information further includes an identifier of the at least one radio bearer configured in the repetitive mode, a configuration of the PDCP entity in each radio bearer, and a configuration of the at least two RLC entities corresponding to the PDCP entity (for example, an RLC entity)
  • the DU schedules data according to the cell or cell group corresponding to the channel where the RLC entity is located.
  • the RLC entity 1 and the RLC entity 2 corresponding to a radio bearer respectively correspond to the cell group 1 and the cell group 2.
  • the DU receives the data of the RLC entity 1 corresponding to the radio bearer, the data of the RLC entity 1 is transmitted to the cell in the scheduling cell group 1, and the data from the RLC entity 2 is received, and the data of the RLC entity 2 is received.
  • the scheduling is transmitted to the cells in the cell group 2.
  • the CU when the CU and the DU establish a tunnel for each radio bearer of the terminal device, the CU includes the configuration information of the repeated mode in the configuration information of each radio bearer.
  • the CU gives the radio bearer identifier, configuration information of the repetition mode, the radio bearer is at the tunnel address of the CU, and the like.
  • Another possible implementation manner is that, for the control plane, the CU sends the RRC message including the repeated mode configuration information to the DU through the F1 interface, so that the DU can forward the UE to the UE.
  • the DU may parse the RRC message to obtain configuration information of the repeated mode. Specifically, if the RRC message does not include the cell or the cell group corresponding to the channel where the RLC entity is located, the CU notifies the cell or the cell group corresponding to the channel where the RLC entity is located to the DU by using other messages.
  • the cell or cell group corresponding to the channel where the RLC entity is located, and the RLC/MAC/PHY layer configuration information of the radio bearer are determined by the DU.
  • the DU sends the channel of the at least two RLC entities corresponding to the radio bearer to the cell or the cell group, and the RLC/MAC/PHY layer configuration information of the radio bearer is notified to the CU through the F1 interface, so that the CU includes the information notification in the RRC message.
  • the CU includes the information notification in the RRC message.
  • the terminal device may receive the configuration information during access to the radio access network.
  • the terminal device accesses the radio access network to establish an RRC connected state, for example, initial access, handover, radio link reestablishment, and the like.
  • the configuration information may be carried in an RRC message.
  • the configuration information may further indicate a configuration of the first RLC entity and the second RLC entity corresponding to the same PDCP entity in the repeating mode of one radio bearer, for example, the two RLC entities (or the first channel and the second channel) Channels) are configured with different identifiers, which may be different logical channel identifiers or newly defined different identifiers.
  • the configuration information may further indicate, in a case where the repetition mode is deactivated, the terminal uses which of the first RLC entity and the second RLC entity is allowed to transmit data.
  • This implementation can be used in a single radio access device carrier aggregation or dual connectivity scenario.
  • the configuration information of the repetition mode may be sent by the CU to send the terminal device by using an RRC message. Since there is no RRC layer that is equivalent to the CU, the DU does not parse the RRC message and directly forwards the RRC message to the terminal. device. Further, the CU further sends the configuration information of the repeating mode to the DU between the CU and the inter-DU interface message that the DU can parse, so that the DU completes the configuration of the repeated mode.
  • the configuration information may indicate that the repetition mode is deactivated, at least one of the primary wireless access device and the secondary wireless access device, and the terminal device Send non-repeating data.
  • the terminal device may be configured to send a data or data volume report on at least one of the primary wireless access device and the secondary wireless access device; the terminal device may also be configured with a data volume threshold.
  • the terminal device sends data to the primary wireless access device and the secondary wireless access device to implement offloading of non-duplicate data; if the amount of data to be sent by the terminal device does not exceed the amount of data
  • the threshold device transmits data according to one of the configured primary wireless access device and the secondary wireless access device.
  • This implementation may enable the radio access network and the terminal device to be simple in the RLC layer because there is always data to be transmitted, and thus it is not known whether the data transmission mode is changed, and the terminal device and the radio access network may be
  • the RLC layer maintains the same RLC number record so that when the repeat mode is activated, the number of the same data transmitted between the terminal device and the radio access network remains the same.
  • the first channel is activated by the non-duplicate data by default; if the configuration information indicates If the second channel corresponds to the secondary cell or the secondary cell group, the second channel defaults to being prohibited from using or prohibiting sending duplicate data but transmitting non-duplicate data. In this case, the repeat mode is deactivated.
  • the terminal device On the uplink, the terminal device transmits non-duplicate data on the first channel and the second channel.
  • the terminal device receives the non-duplicate data sent by the radio access network in the first channel and the second channel.
  • the first channel is activated by the sending duplicate data by default; if the configuration information indicates If the secondary channel corresponds to the secondary cell or the secondary cell group, the second channel defaults to being activated to send duplicate data. In this case, the repeat mode is activated.
  • the terminal device On the uplink, the terminal device transmits duplicate data on the first channel and the second channel.
  • the terminal device On the downlink, the terminal device receives the repeated data transmitted by the radio access network in the first channel and the second channel.
  • the primary wireless access device and the secondary wireless access device determine the wireless access device that sends the first indication message through negotiation, and notify the terminal device in the configuration information.
  • the wireless access device sends a first indication message. If the terminal device receives the first indication message sent by the wireless access device that is not notified, the terminal ignores the first indication message sent by the wireless access device.
  • the configuration information is instructed by the terminal device to determine, according to the first indication message sent by the primary wireless access device, whether a certain wireless bearer of the primary wireless access device is activated, and the secondary wireless is ignored.
  • the first indication message sent by the access device is instructed by the terminal device to determine, according to the first indication message sent by the primary wireless access device, whether a certain wireless bearer of the primary wireless access device is activated, and the secondary wireless is ignored.
  • the configuration information indicates that the terminal device determines, according to the first indication message sent by the secondary wireless access device, whether a certain wireless bearer of the secondary wireless access device is activated, and ignores the primary wireless.
  • the first indication message sent by the access device is not limited to the first indication message sent by the access device.
  • the terminal device determines, according to the first indication message sent by the secondary wireless access device, Whether the radio bearers are activated, and the first indication message sent by the primary radio access device is ignored. If the secondary wireless access device offloads data transmitted on the primary wireless access device, the terminal device determines whether a wireless bearer is activated according to the first indication message sent by the primary wireless access device, and ignores the secondary wireless connection. The first indication message sent by the device.
  • the configuration information indicates whether the type of the radio bearer is a repeating mode.
  • the configuration information indicates whether a type of a radio bearer is a repeating mode by whether a certain cell exists. If the cell is included in the configuration information, it indicates that the type of the radio bearer is a repeating mode, otherwise it is not. Optionally, if the configuration information includes a cell indicating that the radio bearer is a radio bearer in a repeating mode, where the repeat mode is also activated.
  • the configuration information may specifically indicate a data transmission path of a certain radio bearer to indicate whether it is a repeating mode.
  • the data transmission path indicated in the configuration information is one of the channel where the primary wireless access device is located and the channel where the secondary wireless access device is located, it indicates that the wireless bearer is not a repeating mode, or the repeated mode is deactivated.
  • the data transmission path indicated in the configuration information is the channel where the primary wireless access device is located and the channel where the secondary wireless access device is located, it indicates that the type of the wireless bearer is a repeating mode.
  • the radio access network may separately configure configuration information of the repetition mode of at least one link in the downlink and the uplink for the terminal device, thereby implementing the downlink and the uplink. Configuration management of a repeating pattern of at least one link.
  • the fourth embodiment of the present application provides a communication processing method, which is related to repeating at least two RLC entities (for example, a first RLC entity and a second RLC entity) corresponding to an uplink or downlink PDCP entity in a repeating mode. How to number the data to complete the communication process of the RLC layer.
  • the second embodiment may be based on the wireless communication system protocol stack architecture shown in FIG. 1A, and FIGS. 1B through 1F, and any of FIGS. 1H and 1G.
  • the transmitting end On the uplink, the transmitting end may be a terminal device, and the receiving end is a radio access network; or on the downlink, the transmitting end is a radio access network, and the receiving end is a terminal equipment.
  • the third embodiment may exist independently of the foregoing embodiments, or may be further processed in the RLC layer as the foregoing first to third embodiments.
  • the duplicate data on the first RLC entity and the second RLC entity are the same number, or are different numbers.
  • the transmitting end sends a second indication message to the receiving end, where the second indication message indicates the starting number of the repeated data on the second RLC entity in the repeated mode.
  • the receiving end may determine which duplicate data is received by the transmitting end according to the starting number of the repeated data on the second RLC entity. If the repeated data on one of the first channel and the second channel is received by the receiving end, even if the duplicate data on the other channel is not received, the receiving end indicates that the duplicate data has been received in the RLC layer status report, and This channel will not be instructed to retransmit this duplicate data. In this case, the receiving end sends only one RLC status report to the sending end, and does not need to generate an RLC status report for each of the two RLC entities.
  • the sending end repeats the difference of the data different numbers on the first RLC entity and the second RLC entity notified to the receiving end.
  • the receiving end may determine, according to the difference, a number of the duplicate data on another RLC entity.
  • the receiving end defaults to a repeating data start number on the second RLC entity starting from a certain default integer (eg, 0).
  • the receiving end may calculate the number of the duplicate data in the second RLC entity according to the difference and the number of the duplicate data in the RLC status report of the first RLC entity.
  • the repeat mode is changed from being activated to being deactivated, the duplicate data start number on the second RLC entity is reset to a default integer (eg, 0).
  • the first RLC entity and the second RLC entity corresponding to the same PDCP entity at the receiving end respectively generate an RLC status report.
  • the receiving end may convert the number of the duplicate data on the first RLC entity into the number of the duplicate data on the second RLC entity according to the difference of the different numbers of the duplicate data, and send and receive the RLC status report of the second RLC entity to the receiving.
  • the receiving end may convert the number of the duplicate data on the second RLC entity into the number of the duplicate data on the first RLC entity according to the difference of the different numbers of the duplicate data, and pass the RLC state of the first RLC entity.
  • the report is sent to the first RLC entity on the receiving end.
  • the receiving end converts the number of the duplicate data on one RLC entity in the first RLC entity and the second RLC entity to the duplicate data on the other RLC entity according to the difference of the different numbers of the duplicate data. Number and put it into another RLC entity corresponding to the RLC status report, and send this RLC status report to the sender.
  • the number of the duplicate data on the second RLC entity of the sender is set to 0 or the sender saves the value of the last number currently received.
  • the terminal device determines whether to deactivate the repeat mode according to the deviation of the data packet transmission rate on the two channels (for example, detecting the RLC number deviation of the data packets arriving at the two RLC entities in the same time).
  • the terminal may automatically trigger the deactivation of the repeated mode.
  • the PDCP entity may notify the RLC entity on the channel corresponding to the smaller number of the same PDCP data packet. Deviating, so that the RLC receiving state variable is added to the RLC entity on the channel to prevent the channel with a slow transmission rate from frequently sending an RLC status report to notify the terminal device which packets are not received, if the retransmission fails It may cause unnecessary wireless link failure.
  • a certain threshold for example, 0
  • the PDCP entity in the radio access network may receive the PDCP data packet from the channel with the faster transmission rate.
  • the number is notified to the RLC entity on the channel with a slower transmission rate, so that the RLC entity on the channel with a slower transmission rate determines the PDCP packet number corresponding to the received RLC data packet and the number of the notified PDCP data packet.
  • the step size of the RLC reception window on the slower transmission channel to the RLC reception window on the faster transmission channel For example, with this step size, keep the RLC receive window on the same channel as the faster transfer rate.
  • the foregoing various information sent by the PDCP entity to the RLC entity is physically sent by the CU to the DU.
  • the terminal device detects that the deviation of the received PDCP packet number on the two channels reaches a preset threshold, and notifies the radio access network (eg, the primary wireless The access device or the secondary wireless access device sends a report indicating that the deviation from the PDCP packet number reaches a preset threshold, so that the wireless access network determines whether to deactivate the repeat mode.
  • the radio access network eg, the primary wireless The access device or the secondary wireless access device sends a report indicating that the deviation from the PDCP packet number reaches a preset threshold, so that the wireless access network determines whether to deactivate the repeat mode.
  • the transmitting end may number the duplicate data in the repeating mode, so that the receiving end can know whether the duplicate data on the two channels has been received.
  • a fifth embodiment of the present application provides a terminal device, as shown in FIG. 14, including a processing unit 1401 and a sending unit 1402.
  • the processing unit 1401 is configured to determine that one of the first channel and the second channel of the radio bearer in the repeated mode needs to trigger a data volume report, where the radio bearer PDCP data is in the repeat mode Transmitting on the corresponding first RLC entity on the first channel, and repeating transmission on the corresponding second RLC entity on the second channel;
  • the processing unit 1401 is further configured to trigger the data volume report, where the data volume report indicates the amount of data on the one channel;
  • the sending unit 1402 is configured to send the data volume report to the radio access network.
  • the processing unit 1401 is configured to perform the determining, triggering, and the like processing operations of the terminal device in the foregoing various communication processing method embodiments, and the sending unit 1402 is configured to perform the sending operation in the foregoing various communication processing method embodiments.
  • the terminal device further includes a receiving unit 1403 (not shown in FIG. 14) for performing a receiving action of the terminal device in performing the foregoing various communication processing method embodiments.
  • the communication device is part of the terminal device or the terminal device.
  • the processing unit 1401 may be a processor of the terminal device
  • the sending unit 1402 may be a transmitter of the terminal device
  • the receiving unit 1403 is a receiver of the terminal device.
  • the terminal device may further include other electronic circuits, such as a bus connecting the processor and the transmitter, a radio frequency antenna used to transmit signals, and the like.
  • the communication device may also be a chip.
  • a sixth embodiment of the present application provides a communication apparatus.
  • the communication apparatus includes a processing unit 1501 and a receiving unit 1502.
  • the receiving unit 1502 is configured to receive a first indication message sent by the radio access network, where the first indication message indicates whether to activate a repeat mode of the radio bearer, where the radio bearer PDCP data is in the repeat mode Transmitting on the corresponding first RLC entity on the first channel, and repeating transmission on the corresponding second RLC entity on the second channel;
  • the processing unit 1501 is configured to activate or deactivate the repeated mode of the radio bearer according to the first indication message.
  • the processing unit 1501 is configured to perform the determining, triggering, and the like processing operations of the terminal device in the foregoing various communication processing method embodiments, and the receiving unit 1502 is configured to perform the receiving operation of the terminal device in the foregoing various communication processing method embodiments.
  • the communication device may further include a transmitting unit 1503 (not shown in FIG. 15) for performing the transmitting action in the foregoing respective communication processing method embodiments.
  • the communication device is part of the terminal device or the terminal device.
  • the processing unit 1501 may be a processor of the terminal device, the sending unit 1503 may be a transmitter of the terminal device, and the receiving unit 1502 is a receiver of the terminal device.
  • the terminal device may further include other electronic circuits, such as a bus connecting the processor and the transmitter, a radio frequency antenna used to transmit signals, and the like.
  • the communication device may also be a chip.
  • the embodiment of the present application further provides a schematic structural diagram of a terminal device 1600 as shown in FIG. 16.
  • the structure of the terminal 1600 can be used as a general structure of the terminal device in the foregoing embodiments.
  • the terminal 1600 includes: a radio frequency (RF) circuit 1610, a memory 1620, an input unit 1630, a display unit 1640, a sensor 1650, an audio circuit 1660, a wireless fidelity (WiFi) module 1670, a processor 1680, and a power supply. 1690 and other components.
  • RF radio frequency
  • the RF circuit 1610 can be used to transmit and receive information and receive and transmit signals during a call, for example, after receiving data from the wireless access device, processing the processor 1680; and transmitting the data to the base station.
  • RF circuits include, but are not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like.
  • LNA Low Noise Amplifier
  • the memory 1620 can be used to store software programs and modules, and the processor 1680 executes various functional applications and data processing of the terminal 1600 by running software programs and modules stored in the memory 1620.
  • the memory 1620 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may be stored according to The data created by the use of the terminal 1600 (such as audio data, phone book, etc.) and the like.
  • memory 1620 can include high speed random access memory, and can also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
  • the input unit 1630 can be configured to receive input numeric or character information and to generate key signal inputs related to user settings and function control of the terminal 1600.
  • the input unit 1630 may include a touch panel 1631 and other input devices 1632.
  • the touch panel 1631 also referred to as a touch screen, can collect touch operations on or near the user (such as the user using a finger, a stylus, or the like on the touch panel 1631 or near the touch panel 1631. Operation), and drive the corresponding connecting device according to a preset program.
  • the touch panel 1631 may include two parts: a touch detection device and a touch controller.
  • the touch detection device detects the touch orientation of the user, and detects a signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts the touch information into contact coordinates, and sends the touch information.
  • the processor 1680 is provided and can receive commands from the processor 1680 and execute them.
  • the touch panel 1631 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
  • the input unit 1630 may also include other input devices 1632.
  • other input devices 1632 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, joysticks, and the like.
  • the display unit 1640 can be used to display information input by the user or information provided to the user and various menus of the terminal 1600.
  • the display unit 1640 can include a display panel 1641.
  • the display panel 1641 can be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.
  • the touch panel 1631 may be overlaid on the display panel 1641. When the touch panel 1631 detects a touch operation thereon or nearby, the touch panel 1631 transmits to the processor 1680 to determine the type of the touch event, and then the processor 1680 is The type of touch event provides a corresponding visual output on display panel 1641.
  • touch panel 1631 and the display panel 1641 are used as two independent components to implement the input and input functions of the terminal 1600 in FIG. 16, in some embodiments, the touch panel 1631 and the display panel 1641 may be integrated. The input and output functions of the terminal 1600 are implemented.
  • Terminal 1600 can also include at least one type of sensor 1650, such as a light sensor, motion sensor, and other sensors.
  • the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display panel 1641 according to the brightness of the ambient light, and the light sensor may close the display panel 1641 when the terminal 1600 moves to the ear. / or backlight.
  • the acceleration sensor can detect the magnitude of acceleration in each direction (usually three axes). When it is stationary, it can detect the magnitude and direction of gravity. It can be used to identify the attitude of the terminal (such as horizontal and vertical screen switching, related games).
  • the terminal 1600 can also be configured with gyroscopes, barometers, hygrometers, thermometers, infrared sensors and other sensors, no longer Narration.
  • Audio circuitry 1660, speaker 1661, and microphone 1662 can provide an audio interface between the user and terminal 1600.
  • the audio circuit 1660 can transmit the converted electrical data of the received audio data to the speaker 1661, and convert it into a sound signal output by the speaker 1661; on the other hand, the microphone 1662 converts the collected sound signal into an electrical signal, by the audio circuit 1660. After receiving, it is converted into audio data, and then processed by the audio data output processor 1680, transmitted to the terminal, for example, via the RF circuit 1610, or the audio data is output to the memory 1620 for further processing.
  • WiFi is a short-range wireless transmission technology
  • the terminal 1600 can help users to send and receive emails, browse web pages, and access streaming media through the WiFi module 1670, which provides wireless broadband Internet access for users.
  • FIG. 16 shows the WiFi module 1670, it can be understood that it does not belong to the essential configuration of the terminal 1600, and may be omitted as needed within the scope of not changing the essence of the present application.
  • the processor 1680 is the control center of the terminal 1600, which connects various portions of the entire terminal 1600 using various interfaces and lines, by running or executing software programs and/or modules stored in the memory 1620, and recalling data stored in the memory 1620.
  • the various functions and processing data of the terminal 1600 are performed to perform overall monitoring of the terminal 1600.
  • the processor 1680 may include one or more processing units; for example, the processor 1680 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, an application, and the like.
  • the modem processor primarily handles wireless communications. It will be appreciated that the above described modem processor may also not be integrated into the processor 1680.
  • the terminal 1600 also includes a power supply 1690 (such as a battery) for powering various components.
  • a power supply 1690 (such as a battery) for powering various components.
  • the power supply can be logically coupled to the processor 1680 through a power management system to manage functions such as charging, discharging, and power management through the power management system. .
  • the terminal 1600 can also include a camera 1700, which can be a front camera or a rear camera. Although not shown, the terminal 1600 may further include a Bluetooth module, a Global Positioning System (GPS) module, and the like, and details are not described herein.
  • GPS Global Positioning System
  • the processor 1680 included in the terminal 1600 can be used to perform the foregoing embodiment of the communication processing method, and the implementation principle and technical effects are similar, and details are not described herein again.
  • the embodiment of the present application further provides a communication device, including a processor and a memory, where the memory stores code, and when the code is invoked by the processor, implements a method action performed by the terminal device in the foregoing communication processing method embodiment.
  • the communication device may be the terminal device itself, and the communication device may also be a chip.
  • the chip comprises a processor composed of at least one gate circuit and a memory composed of at least one gate circuit, each gate circuit comprising at least one transistor (for example, a field effect transistor) connected by a wire, each transistor being made of a semiconductor material. to make.
  • the chip can be a central processing unit (CPU) or a field programmable logic array (FPGA) or a digital signal processor (DPS).
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the present invention can take the form of a computer program product embodied on one or more chip systems or computer usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer usable program code. .
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Des modes de réalisation de la présente invention concernent un procédé de traitement de communication. Un rapport de volume de données rapporté par un dispositif de terminal comprend le volume de données de l'un d'au moins deux canaux d'un support sans fil dans un mode de répétition, ce qui permet de réduire le surdébit de signalisation dans le processus de rapport de volume de données du dispositif de terminal.
PCT/CN2018/091617 2017-06-15 2018-06-15 Procédé de traitement de communication et appareil de communication WO2018228557A1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
AU2018286304A AU2018286304B2 (en) 2017-06-15 2018-06-15 Communication processing method and communications apparatus
JP2019569389A JP7106580B2 (ja) 2017-06-15 2018-06-15 通信処理方法および通信装置
EP18816859.5A EP3641192B1 (fr) 2017-06-15 2018-06-15 Procédé de traitement de communication et appareil de communication
EP21197587.5A EP3996303B1 (fr) 2017-06-15 2018-06-15 Procédé de traitement de communication et appareil de communications utilisant un mode de duplication
RU2019143642A RU2737026C1 (ru) 2017-06-15 2018-06-15 Способ передачи и обработки данных и устройство связи
KR1020207000892A KR102332978B1 (ko) 2017-06-15 2018-06-15 통신 프로세싱 방법 및 통신 장치
BR112019026704-2A BR112019026704A2 (pt) 2017-06-15 2018-06-15 método de processamento de comunicações e equi-pamento de comunicações
CA3067279A CA3067279C (fr) 2017-06-15 2018-06-15 Procede de traitement de communication et appareil de communication
US16/714,650 US11343031B2 (en) 2017-06-15 2019-12-13 Communication processing method and communications apparatus
US17/751,301 US11831448B2 (en) 2017-06-15 2022-05-23 Communication processing method and apparatus related to a duplication mode of a radio bearer

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201710454166.4 2017-06-15
CN201710454166 2017-06-15
CN201710682219.8 2017-08-10
CN201710682219.8A CN109151891B (zh) 2017-06-15 2017-08-10 一种通信处理方法和通信装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US16/714,650 Continuation US11343031B2 (en) 2017-06-15 2019-12-13 Communication processing method and communications apparatus

Publications (1)

Publication Number Publication Date
WO2018228557A1 true WO2018228557A1 (fr) 2018-12-20

Family

ID=64659914

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/091617 WO2018228557A1 (fr) 2017-06-15 2018-06-15 Procédé de traitement de communication et appareil de communication

Country Status (1)

Country Link
WO (1) WO2018228557A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020197259A1 (fr) * 2019-03-25 2020-10-01 삼성전자 주식회사 Procédé et appareil permettant la commande de l'activation d'une pluralité de dispositifs de couche rlc dans un système de communication sans fil
JP2020529751A (ja) * 2017-06-16 2020-10-08 オッポ広東移動通信有限公司Ｇｕａｎｇｄｏｎｇ Ｏｐｐｏ Ｍｏｂｉｌｅ Ｔｅｌｅｃｏｍｍｕｎｉｃａｔｉｏｎｓ Ｃｏｒｐ．， Ｌｔｄ． データ伝送方法、端末装置及びネットワーク機器
US10925103B2 (en) 2018-01-12 2021-02-16 Huawei Technologies Co., Ltd. Duplication mode communication processing method in CU-DU architecture, and device
CN113615313A (zh) * 2019-03-25 2021-11-05 三星电子株式会社 无线通信系统中控制多个无线链路控制层设备激活的方法和装置
JP2022518226A (ja) * 2019-01-18 2022-03-14 鴻穎創新有限公司 次世代無線ネットワークにおけるパケットデータ収束プロトコルの複製
WO2022066735A1 (fr) * 2020-09-23 2022-03-31 Qualcomm Incorporated Gestion optimisée de sections de données à haute priorité dans un système de communication

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106664737A (zh) * 2014-08-06 2017-05-10 株式会社Ntt都科摩 用户装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106664737A (zh) * 2014-08-06 2017-05-10 株式会社Ntt都科摩 用户装置

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
ERICSSON: "Duplication in UL in Dual Connectivity", 3GPP TSG-RAN WG2 #97BIS R2-1702750, 7 April 2017 (2017-04-07), XP051244738 *
HUAWEI, HISILICON: "Dynamic Activation/Deactivation of Packet Duplication", 3GPP TSG-RAN WG2 #98 R2-1704835, 19 May 2017 (2017-05-19), XP051275351 *
INTERDIGITAL COMMUNICATIONS: "Packet Duplication at PDCP", 3GPP TSG-RAN WG2 MEETING #97 R2-1701186, 17 February 2017 (2017-02-17), XP051211878 *
See also references of EP3641192A4 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020529751A (ja) * 2017-06-16 2020-10-08 オッポ広東移動通信有限公司Ｇｕａｎｇｄｏｎｇ Ｏｐｐｏ Ｍｏｂｉｌｅ Ｔｅｌｅｃｏｍｍｕｎｉｃａｔｉｏｎｓ Ｃｏｒｐ．， Ｌｔｄ． データ伝送方法、端末装置及びネットワーク機器
US10925103B2 (en) 2018-01-12 2021-02-16 Huawei Technologies Co., Ltd. Duplication mode communication processing method in CU-DU architecture, and device
US11483883B2 (en) 2018-01-12 2022-10-25 Huawei Technologies Co., Ltd. Duplication mode communication processing method in CU-DU architecture, and device
JP2022518226A (ja) * 2019-01-18 2022-03-14 鴻穎創新有限公司 次世代無線ネットワークにおけるパケットデータ収束プロトコルの複製
WO2020197259A1 (fr) * 2019-03-25 2020-10-01 삼성전자 주식회사 Procédé et appareil permettant la commande de l'activation d'une pluralité de dispositifs de couche rlc dans un système de communication sans fil
CN113615313A (zh) * 2019-03-25 2021-11-05 三星电子株式会社 无线通信系统中控制多个无线链路控制层设备激活的方法和装置
US11432363B2 (en) 2019-03-25 2022-08-30 Samsung Electronics Co., Ltd. Method and apparatus for controlling activation of RLC layers in wireless communication system
US11917710B2 (en) 2019-03-25 2024-02-27 Samsung Electronics Co., Ltd. Method and apparatus for controlling activation of RLC layers in wireless communication system
WO2022066735A1 (fr) * 2020-09-23 2022-03-31 Qualcomm Incorporated Gestion optimisée de sections de données à haute priorité dans un système de communication

Similar Documents

Publication Publication Date Title
JP7106580B2 (ja) 通信処理方法および通信装置
WO2018228557A1 (fr) Procédé de traitement de communication et appareil de communication
WO2021018096A1 (fr) Procédé de transmission de données, équipement utilisateur, et nœud de commande
JP5957435B2 (ja) 効率的な共用ｅ−ｄｃｈ管理のための信号伝送方式
US20220015110A1 (en) Method for resource allocation, method for resource release, terminal, and network device
EP3614742B1 (fr) Relais prenant en compte la qualité de service entre un terminal et un réseau sans fil
JP7373570B2 (ja) 接続確立方法、端末機器及びネットワーク機器
CN112770350A (zh) 一种失败报告的上报方法及相关设备
WO2021013089A1 (fr) Procédé de transmission de données, équipement utilisateur et nœud de commande
WO2018027997A1 (fr) Procédé de transmission de données de liaison montante, dispositif terminal et dispositif de réseau
WO2018171708A1 (fr) Procédé de transmission de données, et dispositif terminal
JP7392176B2 (ja) データ再送方法、装置、ターゲットノード、ソースノード及び端末
WO2021155821A1 (fr) Procédé de transmission de csi, procédé de déclenchement de transmission de csi, et dispositif associé
WO2021174457A1 (fr) Procédé permettant de déterminer une ressource de transmission de réplication, dispositif terminal et dispositif de réseau
JP7392106B2 (ja) データ送信方法及びユーザ機器
CN109863821A (zh) 一种数据通信的方法、装置及系统
WO2015018008A1 (fr) Procédé de transmission de signalisation et dispositif associé ainsi que système de communication
JP2020534722A (ja) データ処理方法及び関連装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18816859

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 3067279

Country of ref document: CA

Ref document number: 2019569389

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

REG Reference to national code

Ref country code: BR

Ref legal event code: B01A

Ref document number: 112019026704

Country of ref document: BR

ENP Entry into the national phase

Ref document number: 20207000892

Country of ref document: KR

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: 2018286304

Country of ref document: AU

Date of ref document: 20180615

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: 2018816859

Country of ref document: EP

Effective date: 20200115

ENP Entry into the national phase

Ref document number: 112019026704

Country of ref document: BR

Kind code of ref document: A2

Effective date: 20191213