WO2023096195A1 - Procédé de distribution de données et dispositif électronique conçu pour exécuter le procédé - Google Patents

Procédé de distribution de données et dispositif électronique conçu pour exécuter le procédé Download PDF

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Publication number
WO2023096195A1
WO2023096195A1 PCT/KR2022/016877 KR2022016877W WO2023096195A1 WO 2023096195 A1 WO2023096195 A1 WO 2023096195A1 KR 2022016877 W KR2022016877 W KR 2022016877W WO 2023096195 A1 WO2023096195 A1 WO 2023096195A1
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WIPO (PCT)
Prior art keywords
path
data
distribution
electronic device
distribution unit
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PCT/KR2022/016877
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English (en)
Korean (ko)
Inventor
윤태호
김수진
하태호
Original Assignee
삼성전자주식회사
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Priority claimed from KR1020210171588A external-priority patent/KR20230080251A/ko
Application filed by 삼성전자주식회사 filed Critical 삼성전자주식회사
Publication of WO2023096195A1 publication Critical patent/WO2023096195A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/24—Multipath
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/44—Distributed routing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/34—Flow control; Congestion control ensuring sequence integrity, e.g. using sequence numbers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/04—Error control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/08—Load balancing or load distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/04—Registration at HLR or HSS [Home Subscriber Server]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the disclosure below relates to a data distribution method and an electronic device performing the method.
  • the transmitting node and the receiving node can adjust the amount of transmission and reception through a flow control mechanism defined in the standard and can detect loss.
  • Traffic distribution through the DC split bearer divides one bearer into a long term evolution (LTE) cell and a new radio (NR) cell.
  • LTE long term evolution
  • NR new radio
  • LTE backhaul loss is detected in a path through which traffic is transmitted to an LTE cell, traffic distribution is restricted to the LTE cell, and traffic is transmitted to another path.
  • a data distribution method and electronic device for distributing traffic may be provided.
  • An electronic device includes a processor, wherein the processor transmits the data to the user terminal through a first path for transmitting data to a user terminal through a first distribution unit and a second distribution unit. Distribute the data to a second path, transmit packets of the data distributed to the first path and the second path, identify loss of the packet transmitted through the second path, and based on the loss Thus, distribution of the data through the second path may be restricted.
  • An electronic device includes a processor, wherein the processor transmits the data to the user terminal through a first path for transmitting data to a user terminal through a first distribution unit and a second distribution unit. Distributing the data to a second path, designating consecutive serial numbers to packets transmitted through the second path, transmitting the packets of the data distributed to the first path and the second path, When the serial numbers of the packets received by the second distribution unit through the second path are not consecutive, a loss is identified based on a message transmitted from the second distribution unit to the electronic device, and based on the loss Thus, distribution of the data through the second path may be restricted.
  • a data distribution method distributes the data through a first path for transmitting data to a user terminal through a first distribution unit and a second path for transmitting the data to the user terminal through a second distribution unit. operation, transmitting the packets of the data distributed to the first path and the second path, identifying loss of the packet transmitted through the second path, and based on the loss, the second An operation of limiting distribution of the data through the path may be included.
  • a period in which packets are transmitted to an LTE cell for example, a period in which packet loss occurring in an LTE backhaul is detected and packets are transmitted to an LTE cell data distribution can be limited.
  • 1 is a diagram illustrating an operation of transmitting data distributed by an electronic device to a user terminal according to various embodiments.
  • FIG. 2 is a diagram illustrating operations of identifying data distribution, packet transmission, and packet loss of an electronic device according to various embodiments.
  • FIG. 3 is a diagram illustrating an operation of limiting data distribution through a second path based on a packet loss identified by an electronic device according to various embodiments.
  • FIG. 4 is a diagram illustrating an operation of limiting distribution of data through a second path and an operation of canceling the restriction on distribution of data through a second path by an electronic device according to various embodiments.
  • FIG. 5 is a diagram illustrating an operation of an electronic device receiving a message from a second distribution unit according to various embodiments.
  • FIG. 6 is a diagram illustrating an operation of distributing data to a first distribution unit and a second distribution unit by an electronic device according to various embodiments.
  • FIG. 1 is a diagram illustrating an operation of transmitting data distributed by an electronic device 100 to a user terminal 300 according to various embodiments.
  • the embodiment shown in FIG. 1 is a diagram illustrating an embodiment in which the electronic device 100 transmits downlink data to the user terminal 300 according to a non-stand alone (NSA) method in the EN-DC network.
  • NSA non-stand alone
  • an electronic device 100 may include a processor (not shown).
  • the electronic device 100 may include a memory (not shown).
  • memory may store instructions executable by a processor.
  • the electronic device 100 may distribute input traffic, eg data, to a first distributed unit 200-1 (DU) and a second distributed unit 200-2 using a processor and transmit the same. there is.
  • the electronic device 100 may transmit data to the user terminal 300 through the first distribution unit 200-1 and the second distribution unit 200-2 in the EN-DC network.
  • the electronic device 100 distributes traffic, for example, a bearer, to the first distribution unit 200-1 and the second distribution unit 200-2, and transmits data to the first distribution unit 200-1 and the second distribution unit 200-2. It can be transmitted to 2 distribution units 200-2.
  • the electronic device 100 may be connected to an external electronic device (eg, the first distribution unit 200-1 and the second distribution unit 200-2) directly or wirelessly with one or more specified protocols that may be used. It may include an interface (not shown) that supports them. For example, the electronic device 100 establishes a direct communication channel or a wireless communication channel between external electronic devices (eg, the first distribution unit 200-1 and the second distribution unit 200-2), and establishes communication.
  • a communication module (not shown) capable of supporting communication through a channel may be included.
  • the electronic device 100 may transmit the distributed data packet and message to the first distribution unit 200-1 and the second distribution unit 200-2.
  • a path through which the electronic device 100 transmits packets and messages to the first distribution unit 200-1 is the first path, and the electronic device 100 transmits packets and messages to the second distribution unit 200-2.
  • a path that transmits may mean a second path.
  • the electronic device 100 transmits packets and/or messages to the first distribution unit 200-1 through a first path, and transmits packets and/or messages to a second distribution unit (200-1) through a second path ( 200-2).
  • messages transmitted by the electronic device 100 to the first distribution unit 200-1 and the second distribution unit 200-2 may be messages in a DL user data (DUD) format according to the 3GPP standard.
  • DMD DL user data
  • the first distribution unit 200-1 may be included in a communication device of a base station (eNodeB, eNB) of an NR cell
  • the second distribution unit 200-2 is an LTE It may be included in a communication device of a base station (gNodeB, gNB) of a cell.
  • the electronic device 100 may distribute and transmit secondary cell group (SCG) split bearers to the first distribution unit 200-1 and the second distribution unit 200-2.
  • the electronic device 100 may be a centralized unit (CU) of an NR cell base station.
  • the first distribution unit 200-1 transmits data, for example, an SCG bearer. ), and the first distribution unit 200-1 may transmit data to the user terminal 300.
  • SA stand alone
  • the electronic device 100 and the first distribution unit 200-1 are included in the communication device of the base station of the NR cell, and the second distribution unit 200-2 is LTE It will be described as an embodiment included in a communication device of a base station of a cell, but is not limited thereto.
  • the first distribution unit 200-1 and the electronic device 100 are included in the communication device of the base station of the LTE cell, and the second distribution unit 200-2 is included in the communication device of the base station of the NR cell.
  • the electronic device 100 may distribute and transmit the MCG split bearer to the first distribution unit 200-1 and the second distribution unit 200-2.
  • the first distribution unit 200-1 and the second distribution unit 200-2 may process packets received from the electronic device 100 and transmit the packets to the user terminal 300.
  • each of the first distribution unit 200-1 and the second distribution unit 200-2 may include a protocol layer for processing packets.
  • the first distribution unit 200-1 may include a protocol layer according to the NR communication method in order to transmit downlink data to the user terminal 300 according to the NR communication method.
  • the first distribution unit 200 - 1 may transmit the packet processed using the protocol layer to the user terminal 300 .
  • the second distribution unit 200-2 may include a protocol layer according to the LTE communication scheme in order to transmit downlink data to the user terminal 300 according to the LTE communication scheme.
  • the first distribution unit 200 - 1 may transmit the packet processed using the protocol layer to the user terminal 300 .
  • the first distribution unit 200-1 and the second distribution unit 200-2 may transmit a message to the electronic device 100.
  • the messages transmitted to the electronic device 100 by the first distribution unit 200-1 and the second distribution unit 200-2 may be messages in a DL data delivery status (DDDS) format according to the 3GPP standard. .
  • DDDS DL data delivery status
  • FIG. 2 is a diagram illustrating operations of identifying data distribution, packet transmission, and packet loss of the electronic device 100 according to various embodiments.
  • the first communication device 10 may mean a NR base station
  • the second communication device 20 may mean a communication device of an LTE base station.
  • the first communication device 10 may be referred to as a transmitting node, an NR cell, and a gNB
  • the second communication device 20 may be referred to as a receiving node, an LTE cell, and an eNB. .
  • the electronic device 100 may include a protocol stack for distributing traffic, eg, an SCG split bearer, to a first distribution unit 200-1 and a second distribution unit 200-2.
  • the electronic device 100 may include a PDCP (packet data convergence protocol) layer 110.
  • the PDCP layer 110 of the electronic device 100 may provide data, for example, an SCG split bearer. It can be distributed to the first distribution unit 200-1 and the second distribution unit 200-2
  • the PDCP layer 110 of the electronic device 100 includes PDCP packet data (PDU) output from the PDCP layer 110. unit may be routed to the first distribution unit 200-1 and the second distribution unit 200-2.
  • PDU packet data
  • the PDCP layer 110 of the electronic device 100 assigns sequence numbers to packets of data distributed to the first distribution unit 200-1 and the second distribution unit 200-2. )can do.
  • the electronic device 100 may transmit serial numbered packets in the PDCP layer 110, for example, PDCP PDUs to the first distribution unit 200-1 and the second distribution unit 200-2, respectively.
  • the PDCP layer 110 of the electronic device 100 includes the RLC layer 210-1 of the first distribution unit 200-1 and the RLC layer 210-2 of the second distribution unit 200-2.
  • a serial number can be assigned to the packet.
  • the RLC layer 210-1 of the first distribution unit 200-1 and the RLC layer 210-2 of the second distribution unit 200-2 may be a message according to the DUD format.
  • a message according to the DUD format may include a sequence number, for example, an NR-U sequence number (SN).
  • the first distribution unit 200-1 and the second distribution unit 200-2 process packets received from the electronic device 100 by using a protocol stack, respectively, and send the processed packets to a user terminal ( 300).
  • the protocol stacks of the first distribution unit 200-1 and the second distribution unit 200-2 include radio link control (RLC) layers 210-1 and 210-2, and media access control (MAC) layers, respectively. ) layers 220-1 and 220-2, and PHY layers 230-1 and 230-2.
  • RLC radio link control
  • MAC media access control
  • the protocol stack of the first distribution unit 200-1 may be a protocol stack for transmitting and receiving data with the user terminal 300 according to the NR communication scheme
  • the protocol stack of the second distribution unit 200-2 may be a protocol stack for transmitting and receiving data with the user terminal 300 according to the LTE communication method.
  • the RLC layer 210-1, the MAC layer 220-1, and the PHY layer 230-1 of the first distribution unit 200-1 perform prescribed operations according to the NR communication scheme to generate packets
  • the RLC layer 210-2, the MAC layer 220-2, and the PHY layer 230-2 of the second distribution unit 200-2 perform prescribed operations according to the LTE communication method to packet packets.
  • the electronic device 100 may identify loss based on messages received from the first distribution unit 200-1 and the second distribution unit 200-2.
  • the first distribution unit 200-1 and the second distribution unit 200-2 may transmit a message to the electronic device 100, for example, a message according to a DDDS format.
  • the message according to the DDDS format includes the number of reported packet loss among packets transmitted from the electronic device 100 (number of lost NR-U sequence number ranges reported), the start sequence number of the lost packet (start of lost NR -U sequence number range) and the end of lost packet sequence number (end of lost NR-U sequence number range).
  • the electronic device 100 identifies the loss of the first path and the second path using the number of reported packet loss included in the message according to the DDDS format, the start sequence number of the lost packet, and the end sequence number of the lost packet. can do.
  • the electronic device 100 may limit the distribution of data through the second path based on the loss. For example, the electronic device 100 may limit data distribution through the second path when a loss is identified more than a set number of times within a set time. For example, the electronic device 100 may limit data distribution through the second path when the packet loss rate of the second path is greater than or equal to the set rate within a set time period.
  • the electronic device 100 may restrict data distribution through the second path and distribute data to the first path, for example, the first distribution unit 200 - 1 .
  • the electronic device 100 may restrict data distribution through the second path and distribute data only through the first path.
  • the electronic device 100 may release restrictions on distribution of data through the second path. For example, when the electronic device 100 transmits more than a set number of packets through the first path, or when it transmits packets for a set period of time or longer through the first path, the electronic device 100 cancels the restriction on distribution of data through the second path. can do.
  • the electronic device 100 may communicate with the second distribution unit 200-2 using the X2-U interface.
  • the X2-U interface may be used for communication between an eNB, eg, a base station of an LTE cell, and a gNB, eg, a base station of an NR cell, in the NSA scheme.
  • the PDCP layer 110 included in the second communication device 20 transmits a packet to the second distribution unit 200-2 using data, for example, an MCG bearer, and the second distribution unit 200 -2) may transmit the transmitted packet to the user terminal 300.
  • data for example, an MCG bearer
  • protocol stacks of the electronic device 100, the first distribution unit 200-1 and the second distribution unit 200-2 for example, the PDCP layer 110 and the RLC layers 210-1 and 210-2 ), MAC layers 220-1 and 220-2, and PHY layers 230-1 and 230-2, even if not described, well-known technical content may be applied.
  • the PDCP layer 110 of the electronic device 100 performs ciphering and deciphering, header compression and decompression in a user plane, or performs control plane In (control plane), an operation such as performing PDCP PDU duplication may be performed.
  • the electronic device 100, the first distribution unit 200-1, and the second distribution unit 200-2 may include protocol stacks not shown as protocol stacks.
  • the electronic device 100 may further include at least one of 5G layer 3, for example, a radio resource control (RRC) layer and a non access stratum (NAS) layer, or may further include a service data adaptation protocol (SDPA) layer.
  • RRC radio resource control
  • NAS non access stratum
  • SDPA service data adaptation protocol
  • FIG. 3 is a diagram illustrating an operation of limiting data distribution through a second path based on a packet loss identified by an electronic device (eg, the electronic device 100 of FIGS. 1 and 2 ) according to various embodiments. .
  • the electronic device 100 may distribute data to a first path and a second path in operation 310 .
  • the PDCP layer eg, the PDCD layer 110 of FIG. 2
  • the electronic device 100 transmits the SCG split bearer to the first distribution unit (eg, the first distribution unit 200-1 of FIGS. 1 and 2 ).
  • a second dispersion unit eg, the second dispersion unit 200-2 of FIGS. 1 and 2).
  • a path for transmitting and receiving packets and/or messages between the electronic device 100 and the first distribution unit 200-1 is a first path, between the electronic device 100 and the second distribution unit 200-2.
  • a path through which packets and/or messages are transmitted and received may refer to a second path.
  • the electronic device 100 uses a DUD format message transmitted to the first distribution unit 200-1 and the second distribution unit 200-2, and the first distribution unit 200-1 and the second distribution unit 200-2.
  • Continuous serial numbers can be assigned to packets transmitted to the second distribution unit 200-2.
  • the electronic device 100 may transmit distributed data packets to the first path and the second path.
  • the first distribution unit 200-1 for receiving packets through the first path may be included in the first communication device 10 of the base station of the NR cell
  • the second distribution unit 200-1 for receiving packets through the second path The distribution unit 200-2 may be included in the second communication device 20 of the base station of the LTE cell.
  • the electronic device 100 transmits downlink data through a first distribution unit 200-1 of an NR cell and a second distribution unit 200-2 of an LTE cell to a user terminal ( 300).
  • the electronic device 100 may identify loss of a packet transmitted through the second path.
  • the electronic device 100 may receive messages according to the DDDS format from the first distribution unit 200-1 and the second distribution unit 200-2.
  • a message according to the DDDS format may include the number of reported packet losses, the starting sequence number of the lost packets, and the ending sequence number of the lost packets.
  • the electronic device 100 identifies the loss of the packet transmitted to the second distribution unit 200-2 through the second path by using the message according to the DDDS format received from the second distribution unit 200-2. can
  • the electronic device 100 may identify the loss of the packet transmitted through the first path substantially the same as identifying the loss of the packet transmitted through the second path.
  • the electronic device 100 may limit distribution of data through the second path based on the loss in operation 340 .
  • the electronic device 100 may limit the distribution of data through the second path by comparing the loss of the packet transmitted through the second path with the restriction condition.
  • the electronic device 100 when the electronic device 100 restricts distribution of data through the second path, the data is not distributed through the second path, or data is not distributed through the second path. It may include at least one of controlling the distribution ratio.
  • the electronic device 100 distributes data through the second path when a loss occurs in a packet transmitted to the second distribution unit 200-2 through the second path.
  • the electronic device 100 may prevent packet retransmission delay and/or delay due to TCP retransmission by limiting distribution of data through the second path where packet transmission loss occurs.
  • FIG. 4 illustrates an operation of limiting distribution of data through a second path and restriction of distribution of data through a second path by an electronic device (eg, the electronic device 100 of FIGS. 1 and 2 ) according to various embodiments. This is a drawing showing the release operation.
  • the electronic device 100 transmits packets through a first path and a second path in operation 410, and transmits packets through the second path in operation 420. losses can be identified.
  • operations 410 and 420 illustrated in FIG. 4 descriptions of operations 320 and 330 illustrated in FIG. 3 may be substantially equally applied.
  • the electronic device 100 may compare the identified loss with the limiting condition in operation 430 .
  • the limiting condition may mean a set number of times within a set time and/or a packet loss rate within a set time.
  • the electronic device 100 may determine whether there are two or more packet losses through the second path within 10 seconds.
  • the limiting condition is that the packet loss rate is 1% within 10 seconds, it may be determined whether the rate of lost packets out of the total packets transmitted for 10 seconds exceeds 1%.
  • the electronic device 100 may limit the distribution of data through the second path in operation 440 .
  • the description of the operation 340 shown in FIG. 3 may be substantially equally applied to the operation 440 shown in FIG. 4 .
  • the electronic device 100 may determine a release condition in operation 450.
  • the release condition may mean a case in which a set number of packets or more is transmitted through the first path or a case in which packets are transmitted through the first path for a set time or more.
  • the first path through which packets are transmitted in the release condition may mean a path in which data distribution is not restricted.
  • the electronic device 100 determines that the release condition is satisfied.
  • restriction condition and release condition described in operations 430 and 450 correspond to one embodiment among various embodiments, and may pass through the second path according to conditions different from the above-described restriction condition and/or release condition. Data distribution may be restricted or the data distribution restriction through the second path may be released.
  • the electronic device 100 may release the restriction on distribution of data packets through the second path in operation 460.
  • the electronic device 100 may release the restriction on data distribution through the second path and distribute data to the first path and the second path.
  • FIG. 5 illustrates an electronic device (eg, the electronic device 100 of FIGS. 1 and 2 ) according to various embodiments of a second dispersion unit (eg, the second dispersion unit 200-2 of FIGS. 1 and 2 ). It is a diagram showing the operation of receiving a message from
  • the electronic device 100 may transmit a data packet according to a designated serial number to the second distribution unit 200-2.
  • the electronic device 100 may use a message in a DUD format transmitted to the second distribution unit 200-2 to designate a sequence number consecutive to a packet transmitted to the second distribution unit 200-2. there is.
  • the electronic device 100 transmits packets 1 to 7 to the second distribution unit 200-2 in operation 510, and the second distribution unit 200-2 transmits packets 1 to 7. 3, packet 6 and packet 7 are received from the electronic device 100. Packets 4 and 5 not received by the second distribution unit 200-2 in operation 510 may indicate packet loss in the second path.
  • the second distribution unit 200-2 may transmit a message to the electronic device 100.
  • a message transmitted from the second distribution unit 200-2 to the electronic device 100 may be a DDDS format message.
  • the message in the DDDS format transmitted from the second distribution unit 200-2 to the electronic device 100 in operation 520 includes the number of reported packet losses, the starting sequence number of the lost packets, and the number of lost packets. May include an ending serial number.
  • Number of lost range is the number of reported packet loss
  • start of lost NR-U SN is the starting sequence number of the lost packet
  • end of lost NR-U SN is the ending sequence number of the lost packet.
  • the electronic device 100 may use the message received in operation 520 to identify packet loss through the second path. For example, in FIG. 5 , the electronic device 100 indicates that among packets transmitted through the second path, packets 4 and 5 failed to be transmitted to the second distribution unit 200-2 and packet loss was reported once. You can check.
  • FIG. 6 illustrates an electronic device (eg, the electronic device 100 of FIGS. 1 and 2 ) according to various embodiments of a first dispersion unit (eg, the first dispersion unit 200-1 of FIGS. 1 and 2 ). and distributing data to a second distribution unit (eg, the second distribution unit 200-2 of FIGS. 1 and 2).
  • a first dispersion unit eg, the first dispersion unit 200-1 of FIGS. 1 and 2
  • a second distribution unit eg, the second distribution unit 200-2 of FIGS. 1 and 2.
  • the electronic device 100 transmits the packet to the first distribution unit 200-1 in operation 610-1 and removes the packet in operation 610-2. It can be transmitted to 2 distribution units 200-2.
  • the electronic device 100 distributes SCG split bearers to the first distribution unit 200-1 and the second distribution unit 200-2, and distributes distributed data packets to the first distribution unit 200, respectively. -1) and the second distribution unit 200-2.
  • the electronic device 100 uses a message transmitted to the first distribution unit 200-1 and the second distribution unit 200-2, for example, a message in a DUD format, so that the first distribution unit 200-1 ) and consecutive serial numbers for packets transmitted to the second distribution unit 200-2.
  • the electronic device 100 receives a message from the first distribution unit 200-1 in operation 620-1 and sends a message to the second distribution unit 200-2 in operation 620-2.
  • messages transmitted from the first distribution unit 200-1 and the second distribution unit 200-2 in operations 620-1 and 620-2, respectively, may be messages in a DDDS format.
  • a message in DDDS format may include the number of reported packet losses, the starting sequence number of the lost packets, and the ending sequence number of the lost packets.
  • the number of reported packet losses is 1, and packets 4 and 5 are transmitted from the electronic device 100 to the second distribution unit 200-2. It can be confirmed that it was lost during transmission.
  • the above number of packet loss and lost packets are examples, and the number of packet loss and lost packet are not limited to the embodiment shown in FIG. 6 .
  • the electronic device 100 may transmit data to the first distribution unit 200-1 in operation 630.
  • the electronic device 100 may designate consecutive serial numbers to packets transmitted to the first distribution unit 200-1.
  • the electronic device 100 may limit data distribution to the second distribution unit 200-2 in operation 640.
  • the electronic device 100 may limit data distribution through the second path by comparing the loss of the packet identified using the message received in operation 620-2 with the restriction condition.
  • the electronic device 100 may determine a release condition in operation 650. When it is determined in operation 650 that the electronic device 100 satisfies the release condition, the first distribution unit 200-1 and the second distribution unit 200-2 are transmitted in operations 660-1 and 660-2. Data can be distributed and packets of the distributed data can be transmitted.
  • the operation of limiting data distribution through the second path by the electronic device 100 in operation 640 of FIG. 6 corresponds to one of various embodiments.
  • the electronic device 100 may determine a data distribution ratio through the second path based on the loss.
  • the electronic device 100 may compare a loss with a first limiting condition for determining a data distribution ratio through the second path and a second limiting condition for limiting data distribution through the second path.
  • the electronic device 100 may determine a data distribution ratio through the second path. For example, when the identified loss exceeds the first limiting condition and is less than or equal to the second limiting condition, the electronic device 100 may increase the packet distribution ratio through the first path and decrease the packet distribution ratio through the second path. there is.
  • An electronic device (eg, the electronic device 100 of FIGS. 1 and 2 ) according to various embodiments includes a processor (not shown), and the processor includes a first distribution unit (eg, the electronic device 100 of FIGS. 1 and 2 ).
  • the first path for transmitting data to the user terminal 300 through the first distribution unit 200-1 and the second distribution unit (eg, the second distribution unit 200-2 in FIGS. 1 and 2)
  • the data is distributed through a second path that transmits the data to the user terminal (eg, the user terminal 300 of FIGS. 1 and 2 ) through the first path and the second path.
  • a packet may be transmitted, a loss of the packet transmitted through the second path may be identified, and distribution of the data through the second path may be limited based on the loss.
  • the processor may limit the distribution of the data through the second path when the loss is identified more than a set number of times within a set time.
  • the processor may limit distribution of the data through the second path when the packet loss rate within a set time is greater than or equal to the set ratio.
  • the processor may cancel the distribution restriction of the data through the second path based on a set release condition.
  • the processor may cancel the distribution restriction of the data through the second path when more than a set number of packets are transmitted through the first path.
  • the processor may cancel the distribution restriction of the data through the second path when the packet is transmitted through the first path for a set period of time or more.
  • the processor designates consecutive serial numbers for the packets transmitted through the second path, and the serial numbers of the packets received by the second distribution unit 200-2 through the second path are consecutive.
  • the loss may be identified based on the message transmitted from the second distribution unit 200 - 2 to the electronic device 100 .
  • An electronic device 100 includes a processor, and the processor includes a first path and a second distribution unit for transmitting data to the user terminal 300 through the first distribution unit 200-1. Distributing the data through a second path that transmits the data to the user terminal 300 through (200-2), assigning serial numbers consecutive to packets transmitted through the second path, and path and the packet of the data distributed to the second path is transmitted, and when the serial numbers of the packets received by the second distribution unit 200-2 through the second path are not consecutive, the A loss may be identified based on a message transmitted from the second distribution unit 200-2 to the electronic device 100, and distribution of the data through the second path may be restricted based on the loss.
  • the processor may limit the distribution of the data through the second path when the loss is identified more than a set number of times within a set time.
  • the processor may limit distribution of the data through the second path when the packet loss rate within a set time is greater than or equal to the set ratio.
  • the processor may cancel the distribution restriction of the data through the second path based on a set release condition.
  • the processor may cancel the distribution restriction of the data through the second path when more than a set number of packets are transmitted through the first path.
  • the processor may cancel the distribution restriction of the data through the second path when the packet is transmitted through the first path for a set period of time or more.
  • a data distribution method includes a first path for transmitting data to the user terminal 300 through the first distribution unit 200-1 and the user terminal (through the second distribution unit 200-2). 300) distributing the data to a second path that transmits the data, transmitting the packets of the data distributed to the first path and the second path, and transmitting the packets through the second path It may include an operation of identifying a loss of and an operation of limiting the distribution of the data through the second path based on the loss.
  • the operation of limiting the distribution of the data may limit the distribution of the data through the second path when the loss is identified more than a set number of times within a set time.
  • the operation of limiting the distribution of the data may limit the distribution of the data through the second path when the packet loss rate within a set time is greater than or equal to the set ratio.
  • the method of distributing data may further include an operation of canceling restrictions on distribution of the data through the second path, based on a set release condition.
  • the restriction on distribution of the data through the second route may be released.
  • the releasing of the restriction may release the restriction on distribution of the data through the second route when the packet is transmitted through the first route for a set time or more.
  • the operation of distributing the data designates a serial number consecutive to the packet transmitted through the second path, and the operation of identifying the loss of the data packet includes the second distribution unit through the second path ( When the serial numbers of the packets received by 200-2 are not consecutive, loss may be identified based on a message transmitted to the electronic device 100 by the second distribution unit 200-2.
  • the electronic device 100 may be various types of devices.
  • the electronic device 100 may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance.
  • a portable communication device eg, a smart phone
  • a computer device e.g., a smart phone
  • a portable multimedia device e.g., a portable medical device
  • a camera e.g., a portable medical device
  • a camera e.g., a portable medical device
  • a camera e.g., a portable medical device
  • a wearable device e.g., a smart bracelet
  • first, second, or first or secondary may simply be used to distinguish a given component from other corresponding components, and may be used to refer to a given component in another aspect (eg, importance or order) is not limited.
  • a (e.g., first) component is said to be “coupled” or “connected” to another (e.g., second) component, with or without the terms “functionally” or “communicatively.”
  • the certain component may be connected to the other component directly (eg by wire), wirelessly, or through a third component.
  • module used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, and is interchangeable with terms such as, for example, logic, logical blocks, parts, or circuits.
  • a module may be an integrally constructed component or a minimal unit of components or a portion thereof that performs one or more functions.
  • the module may be implemented in the form of an application-specific integrated circuit (ASIC).
  • ASIC application-specific integrated circuit
  • Various embodiments of this document are software (eg, electronic device 100) including one or more instructions stored in a storage medium (eg, internal memory or external memory) readable by a machine (eg, the electronic device 100). : program).
  • a processor eg, processor
  • a device eg, the electronic device 100
  • the one or more instructions may include code generated by a compiler or code executable by an interpreter.
  • the device-readable storage medium may be provided in the form of a non-transitory storage medium.
  • the storage medium is a tangible device and does not contain a signal (e.g. electromagnetic wave), and this term refers to the case where data is stored semi-permanently in the storage medium. It does not discriminate when it is temporarily stored.
  • a signal e.g. electromagnetic wave
  • the method according to various embodiments disclosed in this document may be included and provided in a computer program product.
  • Computer program products may be traded between sellers and buyers as commodities.
  • a computer program product is distributed in the form of a device-readable storage medium (e.g. compact disc read only memory (CD-ROM)), or through an application store (e.g. Play StoreTM) or on two user devices (e.g. It can be distributed (eg downloaded or uploaded) online, directly between smart phones.
  • a device-readable storage medium e.g. compact disc read only memory (CD-ROM)
  • an application store e.g. Play StoreTM
  • two user devices e.g. It can be distributed (eg downloaded or uploaded) online, directly between smart phones.
  • at least part of the computer program product may be temporarily stored or temporarily created in a device-readable storage medium such as a manufacturer's server, an application store server, or a relay server's memory.
  • each component (eg, module or program) of the above-described components may include a single object or a plurality of entities, and some of the plurality of entities may be separately disposed in other components. there is.
  • one or more components or operations among the aforementioned corresponding components may be omitted, or one or more other components or operations may be added.
  • a plurality of components eg modules or programs
  • the integrated component may perform one or more functions of each of the plurality of components identically or similarly to those performed by a corresponding component of the plurality of components prior to the integration. .
  • the actions performed by a module, program, or other component are executed sequentially, in parallel, iteratively, or heuristically, or one or more of the actions are executed in a different order, or omitted. or one or more other actions may be added.

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

Abstract

Sont divulgués un procédé de distribution de données et un dispositif électronique conçu pour exécuter le procédé. Selon divers modes de réalisation, le dispositif électronique comprend un processeur. Le processeur distribue des données via un premier chemin permettant de transmettre les données à un terminal utilisateur par l'intermédiaire d'une première unité de distribution et via un second chemin permettant de transmettre les données au terminal utilisateur par l'intermédiaire d'une seconde unité de distribution, transmet un paquet des données distribuées via les premier et second chemins, identifie une perte du paquet transmis via le second chemin et, sur la base de la perte, peut limiter la distribution des données via le second chemin.
PCT/KR2022/016877 2021-11-29 2022-11-01 Procédé de distribution de données et dispositif électronique conçu pour exécuter le procédé WO2023096195A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2021-0167161 2021-11-29
KR20210167161 2021-11-29
KR1020210171588A KR20230080251A (ko) 2021-11-29 2021-12-03 데이터 분배 방법 및 상기 방법을 수행하는 전자 장치
KR10-2021-0171588 2021-12-03

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Citations (5)

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Publication number Priority date Publication date Assignee Title
KR20190058279A (ko) * 2017-11-20 2019-05-29 한국전자통신연구원 비이상적 백홀 데이터 전송 방법 및 장치
KR20200008120A (ko) * 2017-06-14 2020-01-23 삼성전자주식회사 Pdcp pdu들의 무결성 검사 실패의 핸들링을 위한 방법 및 사용자 단말기
KR20200035812A (ko) * 2018-09-27 2020-04-06 한국전자통신연구원 분산형 지연 오프셋 매칭을 이용한 트래픽 무손실 전달 방법 및 이를 수행하기 위한 장치들
WO2020192514A1 (fr) * 2019-03-28 2020-10-01 维沃移动通信有限公司 Procédé de sélection de chemin de transmission, procédé de configuration d'informations, terminal et appareil réseau
KR20200120456A (ko) * 2019-04-12 2020-10-21 삼성전자주식회사 듀얼 커넥티비티를 지원하는 전자 장치 및 그 동작 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200008120A (ko) * 2017-06-14 2020-01-23 삼성전자주식회사 Pdcp pdu들의 무결성 검사 실패의 핸들링을 위한 방법 및 사용자 단말기
KR20190058279A (ko) * 2017-11-20 2019-05-29 한국전자통신연구원 비이상적 백홀 데이터 전송 방법 및 장치
KR20200035812A (ko) * 2018-09-27 2020-04-06 한국전자통신연구원 분산형 지연 오프셋 매칭을 이용한 트래픽 무손실 전달 방법 및 이를 수행하기 위한 장치들
WO2020192514A1 (fr) * 2019-03-28 2020-10-01 维沃移动通信有限公司 Procédé de sélection de chemin de transmission, procédé de configuration d'informations, terminal et appareil réseau
KR20200120456A (ko) * 2019-04-12 2020-10-21 삼성전자주식회사 듀얼 커넥티비티를 지원하는 전자 장치 및 그 동작 방법

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