WO2019213958A1 - Procédé et dispositif de transmission de paquets de données - Google Patents

Procédé et dispositif de transmission de paquets de données Download PDF

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Publication number
WO2019213958A1
WO2019213958A1 PCT/CN2018/086587 CN2018086587W WO2019213958A1 WO 2019213958 A1 WO2019213958 A1 WO 2019213958A1 CN 2018086587 W CN2018086587 W CN 2018086587W WO 2019213958 A1 WO2019213958 A1 WO 2019213958A1
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WIPO (PCT)
Prior art keywords
transmission
node
receiving node
receiving
data packet
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Application number
PCT/CN2018/086587
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English (en)
Chinese (zh)
Inventor
杨俊�
邱歌
周越海
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.)
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2018/086587 priority Critical patent/WO2019213958A1/fr
Priority to CN201880092819.1A priority patent/CN112042229B/zh
Publication of WO2019213958A1 publication Critical patent/WO2019213958A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/04—Terminal devices adapted for relaying to or from another terminal or user

Definitions

  • the present application relates to the field of data transmission technologies, and in particular, to a data packet transmission method and device.
  • short-range wireless communication technologies for example, Bluetooth technology and near field communication (NFC) technology, etc.
  • NFC near field communication
  • the embodiment of the present invention provides a data packet transmission method and device, which are used to improve transmission efficiency when a plurality of nodes use short-range wireless communication technologies for data packet transmission.
  • the first aspect provides a data packet transmission method, in which a sending node acquires transmission capability information of at least three receiving nodes before transmitting at least three data packets to at least three receiving nodes, and further according to the obtained Determining, by the transmission capability information of the three receiving nodes, at least one intermediate receiving node for forwarding the data packet, and determining, according to the transmission capability information of the at least three receiving nodes and the transmission capability information of the transmitting node, that the at least three data packets are sent a first transmission sequence of the data packet and the first transmission mode adopted, and determining a transmission path, a second transmission sequence, and a second adopted by the at least one intermediate receiving node to transmit another partial data packet of the at least three data packets
  • the sending node sends a part of the data packets of at least three data packets to receive the part of the data by using the determined first transmission order, the first transmission mode, the transmission path, the second transmission sequence, and the second transmission mode.
  • the transmission capability information of the receiving node is used to characterize the communication capability between the receiving node and other nodes
  • the transmission capability information of the transmitting node is used to characterize the communication capability between the sending node and other nodes
  • the at least three data packets are all the same. Or partially the same.
  • At least three data packets are all the same, that is, at least three data packets are identical data packets.
  • the same sending node sends the same photo file or video file to multiple receiving nodes
  • the sending node sends the same photo file.
  • the same data packet is sent to multiple receiving nodes.
  • At least three data packets are identical is that a part of data packets included in at least three data packets are the same data packet, for example, when the same transmitting node sends a photo file A to a part of the plurality of receiving nodes, to multiple When another part of the receiving node sends the photo file B, the sending node sends the same data packet A to the part of the receiving node, and sends the same data packet B to the other receiving node, where the data packet A and the data Package B is a different packet.
  • the intermediate receiving node can send the data packet to the other receiving node, so that the receiving node that receives the data packet through the intermediate receiving node does not need to wait in line to wait for the sending node to It sends packets, which in turn increases the transfer rate.
  • the same sending node sends a photo file to a plurality of receiving nodes via Bluetooth.
  • multiple receiving nodes can only wait for the sending node to send a photo file to them through serial queuing.
  • the sending node may obtain the transmission capability information of each receiving node, and further determine, according to the transmission capability information of each receiving node, at least one intermediate receiving node capable of supporting communication with other receiving nodes,
  • One of the receiving nodes A can support the transmitting of data packets with the receiving node B through another transmission protocol (for example, Wi-Fi Direct), and the receiving node C can support and receive.
  • Node D transmits the data packet through another transmission protocol (such as USB data line transmission protocol), then the transmitting node can send the photo file that needs to be sent to the receiving node B to the receiving node A, and will need to be sent to the receiving node D.
  • the photo file is sent to the receiving node C, and then the receiving node A sends the photo file to the receiving node B.
  • the receiving node C sends a photo file to the receiving node D, so that in the process that the receiving node A transmits the file to the receiving node B and the receiving node C transmits the file to the receiving node D, the transmitting node can send the photo file to the other receiving node, so that The waiting time of the receiving node B and the receiving node D can be reduced, and the total time for transmitting the files by the transmitting node can be reduced, thereby improving the transmission efficiency.
  • the transmitting node determines the first transmission sequence, the first transmission mode, the transmission path, the second transmission sequence, and the second transmission mode according to the principle that the transmission time is the shortest, wherein the transmission time refers to the transmission node completes the transmission.
  • the transmission time of all the data packets included in at least three data packets, the shortest transmission time refers to the shortest time required for the transmitting node to complete the transmission of all data packets.
  • the transmitting node can transmit the data packet to the plurality of receiving nodes by using the transmission sequence, the transmission path, and the transmission mode with the shortest transmission time. In this way, the transmission rate can be further increased.
  • the transmission capability information of the receiving node may include: a transmission mode supported by the receiving node and the transmitting node; and/or another receiving node having the capability of communicating with the receiving node. Identification information and the manner of transmission between the receiving node and other receiving nodes.
  • the transmission capability information of the transmitting node may include a transmission mode supported by the transmitting node and each receiving node.
  • the transmission capability information of the receiving node that does not have the capability of communicating with other receiving nodes includes only the transmission mode supported by the receiving node and the transmitting node.
  • the transmission capability information of the receiving node having the capability of communicating with other receiving nodes may include a transmission mode supported by the receiving node and the transmitting node; and/or other receiving nodes having the capability of communicating with the receiving node. Identification information and the manner of transmission between the receiving node and other receiving nodes.
  • the transmission mode supported by the receiving node and the transmitting node, the transmission mode supported by the receiving node and other receiving nodes, and the transmission mode supported by the transmitting node and the receiving node may include, but are not limited to, : Wi-Fi direct transmission mode, Wi-Fi soft access point (SoftAp) transmission mode, Wi-Fi and gateway transmission mode, Bluetooth transmission mode, and USB data line transmission mode.
  • Wi-Fi direct transmission mode refers to a transmission mode that relies on the Wi-Fi Direct protocol standard, and supports a transmission mode in which devices in a wireless network can be connected to each other without using a router or the Internet.
  • the Wi-Fi SoftAp transmission mode refers to a device in which a data packet transmission is used as a virtual router during a data packet transmission process, and a transmission channel is established through the device serving as a virtual router, and the device in the wireless network is supported without a router or the Internet. Interconnectable transmission methods.
  • the Wi-Fi and gateway transmission mode refers to a transmission mode in which a transmission channel is established through the same router, and devices in the wireless network can be connected to each other without using a router or the Internet.
  • the transmission mode supported by the receiving node and the transmitting node depends on the transmission protocol supported by the receiving node. Similarly, the transmission mode supported by the transmitting node and the receiving node depends on the supporting node. Transmission protocol. Each transmission protocol corresponds to a corresponding transmission method.
  • identifier information refers to information that can uniquely identify a receiving node, for example, identity (ID) information of the receiving node.
  • the other receiving nodes included in the transmission capability information of the receiving node that have the capability of communicating with the receiving node can serve as the intermediate receiving node, so the sending node can pass the identifier included in the transmission capability information of the receiving node. The information determines the intermediate receiving node.
  • the transmitting node determines at least one receiving node corresponding to the identification information included in the transmission capability information of the at least three receiving nodes as at least one intermediate receiving node for forwarding the data packet. For example, when there are three receiving nodes, namely, a receiving node 1, a receiving node 2, and a receiving node 3, before the same transmitting node sends data packets to the three receiving nodes, the same transmitting node can separately obtain transmissions of the three receiving nodes.
  • Capability information assuming that the transmission capability information of the receiving node 1 includes the identification information of the receiving node 2, and similarly, the transmission capability information of the receiving node 2 includes the identification information of the receiving node 1, and the transmitting node may receive the receiving node 1 and/or The receiving node 2 is determined to be an intermediate receiving node.
  • the sending node can conveniently and quickly determine the intermediate receiving node by using the identifier information included in the acquired transmission capability information of the receiving node, without sending a request confirmation message to the node that can serve as the intermediate receiving node, requesting the confirmation message. It is requested to confirm whether the receiving node can serve as an intermediate receiving node. In this way, the number of communication interactions can be reduced, thereby reducing the decision time of the sending node and improving the decision efficiency.
  • the sending node or the intermediate receiving node when the sending node or the intermediate receiving node sends a data packet to the receiving node, the complete data packet may be directly sent.
  • the data packet when the data packet is relatively large, the data packet may be split into sub-data packets for transmission.
  • the transmitting node may send a part of the complete data packet included in the at least three data packets to the receiving node that needs to receive a part of the data packet, and complete another part included in the at least three data packets.
  • the data packet is sent by at least one intermediate receiving node to a receiving node that needs to receive another partial data packet.
  • the sending node may split at least one data packet included in at least three data packets into multiple sub-data packets, and adopt a part of the sub-data packets in the split multiple sub-data packets.
  • the third transmission mode is sent to the receiving node that needs to receive a part of the sub-data
  • another part of the plurality of sub-packets is sent to the at least one intermediate receiving node by using the fourth transmission mode
  • the at least one intermediate receiving node is Another part of the sub-packets of the sub-packets is forwarded to the receiving node that needs to receive another part of the sub-packets, wherein the third transmission mode and the fourth transmission mode are transmission modes that can be used simultaneously.
  • the sending node can send a complete data packet or a sub-data packet through the intermediate receiving node, and when the intermediate receiving node forwards the complete data packet or the sub-data packet, the transmitting node can send the data packet to other receiving nodes, thereby improving transmission efficiency.
  • the sending node may obtain at least three transmission capability information corresponding to the at least three receiving nodes respectively, where the sending node receives the at least three receiving nodes and respectively corresponding to the at least three receiving nodes. At least three transmission capability information. Or the transmitting node determines, according to the corresponding relationship between the identifier information of the receiving node and the transmission capability information and the identification information of the at least three receiving nodes, at least three transmission capability information respectively corresponding to the identification information of the at least three receiving nodes. .
  • the sending node can flexibly select the method of transmitting the capability information according to actual requirements to adapt to the corresponding scenario.
  • the receiving node may report the transmission capability information to the sending node, and of course, the transmission capability information may be passively reported by the sending message sent by the sending node.
  • the sending node may also send the request information to the at least three receiving nodes, and request information. And configured to request transmission capability information corresponding to each of the at least three receiving nodes.
  • the transmitting capability information is requested to the receiving node, and the number of information transmission times can be reduced for some scenarios in which the receiving node does not need to report the transmission capability information, and then Save money.
  • a second aspect provides a data packet transmission device, which has the function of implementing a transmitting node in any of the above-mentioned first aspects or the first aspect, which may be implemented by hardware or by executing corresponding software through hardware.
  • the hardware or software includes one or more modules corresponding to the functions described above.
  • the modules can be software and/or hardware.
  • the device includes: a processor, a transceiver, a memory; the memory is configured to store computer execution instructions, the transceiver is configured to implement communication of the device with other communication entities, and the processor passes the memory A bus connection that, when the device is in operation, executes the computer-executable instructions stored by the memory to cause the device to perform the method of any of the first aspect or the first aspect of the first aspect described above.
  • the apparatus comprises: a transceiver unit, a processing unit and a storage unit, which units can perform the method of any of the first aspect or the first aspect of the first aspect described above.
  • a third aspect provides a computer readable storage medium having stored thereon instructions that, when executed by a computer, cause a computer to perform the above-described first aspect, any of the possible designs of the first aspect method.
  • a fourth aspect provides a computer program product that, when executed by a computer, can perform the methods of the first aspect and any of the possible aspects of the first aspect described above.
  • FIG. 1 is a schematic diagram of a network architecture provided by the present application.
  • FIG. 2 is a schematic flowchart of a data packet transmission method provided by the present application.
  • FIG. 3 is a schematic diagram of another network architecture provided by the present application.
  • FIG. 5 is a schematic diagram of still another network architecture provided by the present application.
  • FIG. 6 is a schematic diagram of another data packet transmission provided by the present application.
  • FIG. 7 is a schematic diagram of still another network architecture provided by the present application.
  • FIG. 8 is still another schematic diagram of data packet transmission provided by the present application.
  • FIG. 9 is a schematic structural diagram of a data packet transmission device provided by the present application.
  • FIG. 10 is a schematic structural diagram of another data packet transmission device provided by the present application.
  • Short-range wireless communication technology refers to a wireless communication technology that can realize short-distance communication in the communication process, for example, may include Wi-Fi direct transmission technology, Wi-Fi SoftAp transmission technology, Wi-Fi and gateway transmission technology Bluetooth transmission technology and USB data line transmission technology.
  • the USB data line transmission technology refers to a technology for realizing data transmission through a USB data line.
  • Each transmission technology corresponds to a transmission mode. For example, when using Wi-Fi Direct transmission technology, it corresponds to Wi-Fi direct transmission, and when using Wi-Fi SoftAp transmission technology, it corresponds to WI-FI SoftAp transmission. When using Wi-Fi and gateway transmission technology, it corresponds to Wi-Fi and gateway transmission mode. When adopting Bluetooth transmission technology, it corresponds to Bluetooth transmission mode.
  • the Wi-Fi direct transmission mode refers to a transmission mode that relies on the Wi-Fi Direct protocol standard, and supports a transmission mode in which devices in a wireless network can be connected to each other without using a router or the Internet.
  • the Wi-Fi SoftAp transmission mode refers to a device in which a data packet transmission is used as a virtual router during a data packet transmission process, and a transmission channel is established through the device serving as a virtual router, and the device in the wireless network is supported without a router or the Internet. Interconnectable transmission methods.
  • the Wi-Fi and gateway transmission mode refers to a transmission mode in which a transmission channel is established through the same router, and devices in the wireless network can be connected to each other without using a router or the Internet.
  • a transmitting node a receiving node, and an intermediate receiving node, which may be referred to as devices, for example, user equipment (UE), mobile station (MS), mobile terminal (MT), Handheld devices, in-vehicle devices, etc. with wireless connectivity.
  • devices can be: mobile phones, tablets, laptops, PDAs, mobile internet devices (MIDs), wearable devices, virtual reality (VR) devices, enhancements.
  • Augmented reality (AR) equipment wireless equipment in industrial control, wireless equipment in self driving, wireless equipment in remote medical surgery, smart grid Wireless devices, wireless devices in transportation safety, wireless devices in smart cities, wireless devices in smart homes, and the like.
  • Multiple means two or more, and other quantifiers are similar. "and/or”, describing the association relationship of the associated objects, indicating that there may be three relationships, for example, A and/or B, which may indicate that there are three cases where A exists separately, A and B exist at the same time, and B exists separately.
  • the character “/” generally indicates that the contextual object is an "or” relationship. “First”, “Second”, “Third”, and “Fourth” are used only for distinction, and do not indicate sequential or sequential meaning.
  • the network architecture includes a sending node and multiple receiving nodes.
  • the network architecture includes a sending node and multiple receiving nodes.
  • only one sending node and eight receiving nodes are used as an example.
  • the actual application may include multiple sending nodes and more.
  • the plurality of receiving nodes can communicate with the same sending node.
  • the short-distance wireless communication technology can be used for data transmission between the sending node and the receiving node.
  • a transmitting node and a plurality of receiving nodes implement point-to-point data packet transmission through a short-range wireless communication technology
  • the transmitting node determines that it needs to adopt
  • the Wi-Fi direct transmission mode transmits data packets to the receiving node 1, the receiving node 2, and the receiving node 3.
  • the transmitting node can establish a Wi-Fi direct link with only one of the receiving nodes at the same time, when the transmitting node When transmitting a data packet to the receiving node 1, the receiving node 2 and the receiving node 3 can only wait in series, so that the receiving node 2 and the receiving node 3 may need to wait in a queue for a long time before receiving the data packet sent by the transmitting node, resulting in The packet transmission delay is large, which affects the transmission efficiency.
  • the above description only needs to send a data packet to three receiving nodes by the same sending node. In an actual application, there may be a case where the same sending node needs to send data packets to multiple receiving nodes in parallel, which will result in a lower receiving order. The receiving node waits for a longer time, which in turn leads to a larger transmission delay.
  • the embodiment of the present application provides a data packet transmission method, which is used to reduce the waiting time of a receiving node when the same transmitting node sends a data packet to multiple receiving nodes by using a short-range wireless communication technology, thereby reducing transmission time. Delay, improve transmission efficiency.
  • the sending node in the embodiment of the present application may be a sending node in the system architecture shown in FIG. 1.
  • the receiving node in the embodiment of the present application may be a receiving node in the system architecture shown in FIG.
  • the intermediate receiving node in the example may be a part of the receiving node in the system architecture shown in FIG. 1 , and is only illustrated by the system architecture of FIG. 1 and is not limited thereto.
  • FIG. 2 is a schematic flowchart of a data packet transmission method according to an embodiment of the present application. As shown in Figure 2, it includes:
  • the sending node Before sending the at least three data packets to the at least three receiving nodes, the sending node acquires the transmission capability information of the at least three receiving nodes.
  • the transmission capability information of the receiving node is used to characterize the communication capability between the receiving node and other nodes.
  • At least three data packets may all be the same or partially the same.
  • the fact that at least three data packets are all the same means that at least three data packets are identical data packets.
  • the same sending node sends the same photo file or video file to multiple receiving nodes
  • the sending node sends the same to multiple receiving nodes. Packet.
  • At least three data packets are identical is that a part of data packets included in at least three data packets are the same data packet, for example, when the same transmitting node sends a photo file A to a part of the plurality of receiving nodes, to multiple When another part of the receiving node sends the photo file B, the sending node sends the same data packet A to the part of the receiving node, and sends the same data packet B to the other receiving node, where the data packet A and the data packet B Is a different packet.
  • the transmission capability information of the receiving node may include: a transmission mode supported by the receiving node and the transmitting node; and/or another receiving node having the capability of communicating with the receiving node. Identification information and the manner of transmission between the receiving node and other receiving nodes. It can be understood that the transmission capability information of the receiving node that does not have the capability of communicating with other receiving nodes includes only the transmission mode supported by the receiving node and the transmitting node.
  • the transmission capability information of the receiving node having the capability of communicating with other receiving nodes may include a transmission mode supported by the receiving node and the transmitting node; and/or other receiving nodes having the capability of communicating with the receiving node. Identification information and the manner of transmission between the receiving node and other receiving nodes.
  • the transmission mode supported by the receiving node and the sending node, and the transmission mode supported by the receiving node and other receiving nodes may include, but are not limited to, a Wi-Fi direct transmission mode and a Bluetooth transmission mode. And USB data line transmission methods.
  • identifier information refers to information that can uniquely identify a receiving node, for example, ID information of a receiving node.
  • the other receiving nodes included in the transmission capability information of the receiving node and having the capability of communicating with the receiving node can serve as the intermediate receiving node, so the transmitting node can be included in the transmission capability information reported by the receiving node.
  • the identification information determines the intermediate receiving node.
  • the sending node may obtain the transmission capability information of the receiving node in different manners.
  • the following two examples of possible implementations are illustrated.
  • the sending node determines at least three corresponding to the identification information of the at least three receiving nodes according to the correspondence between the identification information of the receiving node and the transmission capability information and the identification information of the at least three receiving nodes. Transmission capability information.
  • the sending node receives at least three transmission capability information that is sent by the at least three receiving nodes and respectively corresponding to the at least three receiving nodes.
  • the sending node can flexibly select the transmission capability information according to actual needs to adapt to the corresponding scenario.
  • the receiving node may report the transmission capability information to the sending node, and of course, the transmission capability information may be passively reported by the sending message sent by the sending node.
  • the sending node may send the request information to the at least three receiving nodes, where the request information is used.
  • the transmission capability information corresponding to each of the at least three receiving nodes is requested.
  • the transmitting node can request the transmission capability information from the receiving node when the data packet needs to be forwarded through some receiving nodes, and the number of times of information transmission can be reduced for the scenario in which the receiving node does not need to report the transmission capability information, thereby saving the overhead.
  • the sending node determines, according to the transmission capability information of the at least three receiving nodes, at least one intermediate receiving node used to forward the data packet.
  • the sending node After acquiring the transmission capability information of the at least three receiving nodes, the sending node determines, according to the communication capability between the receiving node and the other nodes (for example, the sending node and the receiving node), which is characterized by the transmission capability information, can communicate with the receiving node.
  • the other receiving node that is, the receiving node that can be used to forward the data packet, is referred to as an intermediate receiving node in the embodiment of the present application.
  • the sending node may determine the receiving node corresponding to the identifier information. It is the intermediate receiving node used to forward packets. For example, when there are three receiving nodes, namely, a receiving node 1, a receiving node 2, and a receiving node 3, and the same transmitting node sends the same data packet to the three receiving nodes, the same transmitting node may separately acquire the three receiving nodes.
  • the transmission capability information is assumed to include the identification information of the receiving node 2 in the transmission capability information of the receiving node 1.
  • the transmitting node may receive the receiving node 1 and/or Or the receiving node 2 determines to be an intermediate receiving node.
  • the sending node determines, according to the transmission capability information of the at least three receiving nodes and the transmission capability information of the sending node, the first transmission sequence of sending a part of the data packets of the at least three data packets and the adopted first transmission mode, and determines to pass
  • the at least one intermediate receiving node transmits a transmission path of the other of the at least three data packets, a second transmission sequence, and a second transmission mode employed. For example, suppose the transmitting node sends the same data packet to the receiving node A, the receiving node B, the receiving and receiving C, and the receiving node D, and the transmitting node determines the receiving node C as a receivable node according to the transmission capability information of the four receiving nodes.
  • the D forwards the intermediate receiving node of the data packet, and if it is determined according to the transmission capability information of the four receiving nodes and the transmission capability information of the transmitting node, it is determined that the transmitting node directly sends the data packet to the receiving node A and the receiving node B, and receives the data packet by the intermediate receiving The node C forwards the data packet to the receiving node D. If the transmitting node determines that the data packet is sent to the receiving node A and the receiving node B, the data packet is first sent to the receiving node A by using the transmission mode A, and then the transmission mode B is used to the receiving node.
  • the first transmission sequence can be understood as: a transmitting node-receiving node A, a transmitting node-receiving node B, and the first transmission mode can be understood as: a set of transmission mode A and transmission mode B;
  • the node determines the order in which the data packet is sent to the receiving node C and the receiving node D, first adopting the transmission mode C to the receiving node.
  • C sends a data packet, and secondly, the receiving node C forwards the data packet to the receiving node D by using the transmission mode D.
  • the second transmission sequence can be understood as: the transmitting node-receiving node C, the transmitting node-receiving node D, and the second transmission.
  • the mode can be understood as: a set of the transmission mode C and the transmission mode D, and the foregoing transmission path can be understood as: the transmitting node-receiving node C-receiving node D.
  • the sending node may further determine, according to the transmission capability information of the sending node and the transmission capability information of the receiving node, the transmission path of transmitting at least three data packets. , transmission order and transmission method used.
  • the transmission capability information of the transmitting node is used to characterize the communication capability between the transmitting node and other nodes.
  • the transmission capability information of the transmitting node may include a transmission mode supported by the transmitting node and each receiving node.
  • the transmission mode supported by the sending node and each receiving node may include, but is not limited to, a Wi-Fi direct transmission mode, a Bluetooth transmission mode, and a USB data line transmission mode.
  • the transmitting node determines the first transmission sequence, the first transmission mode, the transmission path, the second transmission sequence, and the second transmission mode according to the principle that the transmission time is the shortest, wherein the transmission time refers to the transmission node completes the transmission.
  • the transmission time of all the data packets included in at least three data packets, the shortest transmission time refers to the shortest time required for the transmitting node to complete the transmission of all data packets.
  • the sending node sends, by using the foregoing determined first transmission sequence, the first transmission mode, the transmission path, the second transmission sequence, and the second transmission mode, a part of the data packets of the at least three data packets to receive the part of the data packet. Receiving node, and transmitting another part of the at least three data packets to the receiving node receiving the other partial data packet through the at least one intermediate receiving node.
  • the sending node may a transmission sequence, a first transmission mode, a transmission path, a second transmission sequence, and a second transmission mode, directly transmitting a part of the data packet to the receiving node that needs to receive the partial data packet, and forwarding another part of the data packet through the intermediate receiving node To the receiving node that needs to receive the part of the data packet.
  • the intermediate receiving node may also forward the data packet to the other receiving node, so that the receiving node that receives the data packet through the intermediate receiving node does not need to wait in the queue to wait for the sending node to send the data packet thereto. Packets, which in turn increase the transfer rate.
  • the sending node or the intermediate receiving node when the sending node or the intermediate receiving node sends a data packet to the receiving node, the complete data packet may be directly sent, or the data packet may be split into sub-data packets for transmission.
  • the sending node sends a part of the complete data packet included in the at least three data packets to the receiving node that needs to receive a part of the data packet, and passes another complete data packet included in the at least three data packets.
  • At least one intermediate receiving node transmits to a receiving node that needs to receive another partial data packet.
  • some data packets sent by the sending node are relatively large.
  • the sending node sends the complete data packet directly to the corresponding receiving node, the receiving node that requests the data packet from the sending node will be Based on this, the embodiment of the present application provides another possible implementation manner.
  • the sending node may split the larger data packet into multiple small sub-packets, and send multiple small sub-packets to the receiving node through different paths, thereby reducing Transmission time.
  • the implementation manner is not limited to the scenario where the data packet is large, and the smaller data packet may be sent by splitting the data packet.
  • the sending node may split at least one data packet included in at least three data packets into multiple sub-data packets, and send a part of the sub-data packets of the split multiple sub-data packets to the required transmission manner by using a third transmission manner.
  • the sub-packet is forwarded to a receiving node that needs to receive another partial sub-packet, wherein the third transmission mode and the fourth transmission mode are transmission modes that can be used simultaneously.
  • the sending node can simultaneously send the sub-data packet of the same data packet by using the third transmission mode and the fourth transmission mode, and the sending node can forward the sub-data packet through the intermediate receiving node, and when the intermediate receiving node forwards the sub-data packet, The sending node can send data packets to other receiving nodes, thereby improving transmission efficiency.
  • the data packet transmission method provided in the embodiment of the present application is described below by using an example of three specific application scenarios.
  • FIG. 3 it is a schematic diagram of a network architecture provided by an embodiment of the present application. As shown in FIG. 3, it is assumed that there are four receiving nodes, namely, a receiving node B1, a receiving node B2, a receiving node B3, and a receiving node B4, and the transmitting node A determines that the four nodes need to be at the same time or in a short period of time. The receiving node sends the same data packet.
  • the transmitting node A determines that the order of transmitting data packets to the four receiving nodes is: first, the transmitting node A sends a data packet to the receiving node B2, and secondly, the transmitting node A receives the data packet.
  • the node B4 transmits the data packet
  • the retransmitting node A transmits the data packet to the receiving node B3
  • the transmitting node A transmits the data packet to the receiving node B1.
  • the transmitting node A acquires the transmission capability information of the four receiving nodes before transmitting the same data packet to the four receiving nodes.
  • the acquired transmission capability information of the receiving node B1 includes the following contents:
  • the transmission mode supported by the receiving node B1 and the transmitting node A wherein the transmission mode includes two types: a Bluetooth transmission mode and a USB data line transmission mode.
  • the following is a convenient description, and the Bluetooth transmission mode is called B1a transmission.
  • the way, and the USB data line transmission mode is called B1b transmission mode.
  • the identification information of the receiving node B2 having the capability of communicating with the receiving node B1 may be, for example, the ID information of the receiving node B2.
  • the direct connection transmission method is called B1c transmission mode.
  • the acquired transmission capability information of the receiving node B2 includes the following contents:
  • the transmission mode supported by the receiving node B2 and the transmitting node A wherein the transmission mode includes three types: a B1a transmission mode, a B1b transmission mode, and a B1c transmission mode.
  • the identification information of the receiving node B1 having the capability of communicating with the receiving node B2 may be, for example, the ID information of the receiving node B1.
  • the obtained transmission capability information of the receiving node B3 includes the following contents:
  • the receiving node B3 does not have the same gateway as the other receiving nodes (the receiving node B2, the receiving node B3, and the receiving node B4), and it is assumed that the transmission mode includes only one B1b transmission mode.
  • the obtained transmission capability information of the receiving node B4 includes the following contents:
  • the transmission mode supported by the receiving node B4 and the transmitting node A wherein the transmission mode includes three types: a B1a transmission mode, a B1b transmission mode, and a B1c transmission mode.
  • the transmission capability information of the four receiving nodes acquired by the sending node A may be actively reported by the receiving node, or may be requested by the sending node A to the receiving node.
  • the transmission capability information is information requested by the transmitting node A to the receiving node
  • the transmitting node A sends request information to the four receiving nodes before receiving the transmission capability information sent by the receiving node, and the request information is used for requesting and The transmission capability information corresponding to each of the four receiving nodes.
  • the sending node A may use the identification information of the receiving node B1 and the receiving node according to the identification information of the receiving node B1 included in the transmission capability information and the identification information of the receiving node B2.
  • the identification information of B2, the corresponding at least one receiving node (for example, receiving node B1 and/or receiving node B2) is determined as at least one intermediate receiving node for forwarding the data packet. Since the receiving node B3 and the receiving node B4 cannot establish a connection with other receiving nodes, the transmitting node A can determine that the data packet needs to be directly sent to the receiving node B3 and the receiving node B4, and the data packet of the receiving node B1 can be forwarded by the receiving node B2.
  • the data packet of the receiving node B2 can be forwarded by the receiving node B1, and the specific forwarding mode is adopted, and the transmitting node A can further consider its own transmission capability information, and other content and/or sending node in the transmission capability information of the receiving node.
  • Some information known to A itself for example, the order in which each receiving node requests a data packet, etc.).
  • the transmitting node A may according to the transmission capability information corresponding to each receiving node, the transmission capability information of the transmitting node A itself, and some information known by the sending node (for example, each receiving node requests the data packet.
  • Sequence, etc. determining a first transmission sequence for transmitting a portion of the data packet and the first transmission mode employed, and determining a transmission path for transmitting another partial data packet by the at least one intermediate receiving node (eg, forwarding the receiving node through the receiving node B1)
  • the path of the data packet of B2, or the path of the data packet of the receiving node B1 is forwarded by the receiving node B2)
  • the second transmission sequence and the second transmission mode adopted for example, the transmitting node A can transmit according to the receiving node
  • the transmission mode supported by itself, the transmission mode supported by the sending node and the receiving node is determined as the transmission mode used by the sending node to send the data packet to the receiving node).
  • the sending node A can determine the first transmission sequence, the second transmission sequence, and the sending node A can transmit the data packet through multiple paths.
  • the transmitting node A may first transmit a data packet to the receiving node B1 by using the B1a transmission mode, and forward the data packet to the receiving node B2 by using the B1c transmission mode, and the receiving node B1 transmits the data packet to the receiving node B1.
  • the transmitting node A When forwarding the data packet, the transmitting node A transmits the data packet to the receiving node B4 by using the B1a transmission mode, and finally the transmitting node A transmits the data packet to the receiving node B3 by using the B1b transmission mode.
  • the transmitting node A may first send a data packet to the receiving node B2 by using the B1a transmission mode, and forward the data packet to the receiving node B1 by using the B1b transmission mode by the receiving node B2, and receive the data packet at the receiving node B2.
  • the transmitting node A transmits the data packet to the receiving node B4 by using the B1a transmission mode, and finally the transmitting node A transmits the data packet to the receiving node B3 by using the B1b transmission mode.
  • the transmitting node A may determine multiple combinations of the first transmission sequence, the second transmission sequence, the transmission path, the first transmission mode, and the second transmission mode based on the policy with the shortest transmission time.
  • the transmission time refers to the transmission time at which the transmitting node A completes transmitting all the data packets.
  • the transmitting node A can determine the combination mode with the shortest transmission time as follows: the transmitting node A can first transmit the data packet to the receiving node B2 by using the B1a transmission mode, and transmit the data through the receiving node B2 through the B1c. The mode forwards the data packet to the receiving node B1.
  • FIG. 4 it is a schematic diagram of the transmitting node A transmitting a data packet according to the shortest combination of transmission time. Before sending the data packet to the sending node B1 to the transmitting node B4, the transmitting node A obtains the transmission capability information of each receiving node.
  • the transmitting node A may send the data packet to each receiving node according to the first transmission sequence and the second transmission sequence included in the combined manner.
  • the transmitting node A can forward the data packet to the receiving node B1 through the receiving node B2, and when the receiving node B2 forwards the data packet to the receiving node B1, the transmitting node A can send the data packet to the receiving node B4, which can reduce the receiving node B1.
  • a transmission link between some receiving nodes and a transmitting node may be occupied, so that the transmitting node needs to wait until the transmission link is idle to transmit data packets to the receiving nodes.
  • the data packet transmission method provided by the embodiment of the present application is still valid.
  • the intermediate receiving node determined by the sending node may forward the data packet.
  • the receiving node that is occupied by the direct transmission link enables the receiving node that is occupied by the part of the transmission link to receive the data packet transmitted by the transmitting node without waiting for a long time.
  • the data packet transmission method provided by the embodiment of the present application is described below by taking the scenario as an example.
  • FIG. 5 it is a schematic diagram of a network architecture provided by an embodiment of the present application. As shown in FIG. 5, it is assumed that there are three receiving nodes, namely, a receiving node B1, a receiving node B2, and a receiving node B3, and the transmitting node A determines that data packets need to be sent to the three receiving nodes at the same time or for a short period of time.
  • the data packets sent to the three receiving nodes may be the same data packet or different data packets.
  • the transmitting node A sends a data packet to the receiving node B1, and second, the transmitting node A sends a data packet to the receiving node B2.
  • the transmitting node A transmits the data packet to the receiving node B3 again.
  • the transmitting node A acquires the transmission capability information of the three receiving nodes before transmitting the data packet to the three receiving nodes.
  • the acquired transmission capability information of the receiving node B1 includes the following contents:
  • the identification information of the receiving node B2 having the capability of communicating with the receiving node B1 may be, for example, the ID information of the receiving node B2.
  • the acquired transmission capability information of the receiving node B2 includes the following contents:
  • the transmission mode supported by the receiving node B2 and the transmitting node A wherein the transmission mode includes three types: a B1a transmission mode, a B1b transmission mode, and a B1c transmission mode.
  • the identification information of the receiving node B1 having the capability of communicating with the receiving node B2 may be, for example, the ID information of the receiving node B1.
  • the obtained transmission capability information of the receiving node B3 includes the following contents:
  • the transmission mode supported by the receiving node B3 and the transmitting node A wherein the transmission mode includes three types: a B1a transmission mode, a B1b transmission mode, and a B1c transmission mode.
  • the sending node A may use the identification information of the receiving node B1 and the receiving node according to the identification information of the receiving node B1 included in the transmission capability information and the identification information of the receiving node B2.
  • the identification information of B2, the corresponding at least one receiving node (for example, receiving node B1 and/or receiving node B2) is determined as at least one intermediate receiving node for forwarding the data packet. Since the receiving node B3 cannot establish a connection with other receiving nodes, the transmitting node A can determine that the data packet needs to be directly sent to the receiving node B3, and the data packet of the receiving node B1 can be forwarded by the receiving node B2, or receive the data packet of the node B2.
  • the forwarding node A can be forwarded by the receiving node B1, and the transmitting node A can further consider its own transmission capability information, and other content in the transmission capability information of the receiving node and/or some information known to the transmitting node A itself ( For example, the order in which each receiving node requests a data packet and the information on the transmission link of the receiving node known to the transmitting node are occupied, etc.).
  • the transmitting node A may determine the first transmission sequence, the second transmission sequence, the transmission path, the first transmission mode, and the second transmission mode based on the shortest transmission time policy based on the same method as in the first embodiment.
  • the transmitting node A can determine the combination mode in which the transmission time is the shortest: the transmitting node A first transmits the data packet to the receiving node B2 by using the B1a transmission mode, and secondly, the data packet that needs to be sent to the receiving node B1 is transmitted by the receiving node B2 by using B1c.
  • the mode is forwarded to the receiving node B1, and at the same time, the transmitting node A can transmit the data packet to the receiving node B3 by using the B1a transmission mode.
  • FIG. 6 which is a schematic diagram of the transmitting node A transmitting a data packet according to the shortest combination of transmission time
  • the transmitting node A obtains the transmission capability information of each receiving node before transmitting the data packet to the transmitting node B1 to the transmitting node B3 (figure 6 is not shown), and determines the combination mode with the shortest transmission time, and then establishes a transmission link according to the combination mode with the shortest transmission time, wherein the idle state link shown in FIG. 6 has the same function as that in FIG. Let me repeat.
  • the transmitting node A may send a data packet to each receiving node according to the first transmission sequence and the second transmission sequence included in the combined manner. In this way, the transmitting node A can forward the data packet to the receiving node B1 through the receiving node B2 when the transmission link with the receiving node B1 is occupied, and in the prior art between the transmitting node A and the receiving node B1. When the transmission link is occupied, the data packet transmission cannot be continued.
  • the method provided by the embodiment of the present application can implement the data packet by using the link relationship between the receiving nodes without changing the transmission link. Indirect transmission.
  • the data packet that the sending node needs to send to the receiving node is large.
  • the sending node sends the complete data packet directly to the corresponding receiving node, the other request data from the sending node.
  • the receiving node of the packet will be serially queued for a relatively long time, and by the data packet transmission method provided by the embodiment of the present application, the transmitting node can split the larger data packet into multiple small sub-packets, and multiple Small sub-packets are sent to different receiving nodes (for example, different intermediate receiving nodes) to receiving nodes that need to receive the partial data packets, thereby reducing the transmission time.
  • the method provided in this embodiment of the present application will be described below by taking the scenario as an example.
  • FIG. 7 is a schematic diagram of a network architecture provided by an embodiment of the present application. As shown in FIG. 7, it is assumed that there are four receiving nodes, namely, a receiving node B1, a receiving node B2, a receiving node B3, and a receiving node B4, and the transmitting node A determines that it needs to send to the four receiving nodes at the same time or in a short time. The same data packet. Moreover, it is assumed that four receiving nodes are currently in the same network, and it is assumed that the order in which the transmitting node A transmits four data packets is: first, the transmitting node A sends a data packet to the receiving node B2, and secondly, the transmitting node A sends data to the receiving node B3.
  • Packet, retransmission node A sends a data packet to receiving node B1, and finally transmitting node A sends a data packet to receiving node B4.
  • the transmitting node A acquires the transmission capability information of the four receiving nodes before transmitting the data packet to the four receiving nodes.
  • the acquired transmission capability information of the receiving node B1 includes the following contents:
  • the identification information of the receiving node B2 and the receiving node B3 having the capability of communicating with the receiving node B1, for example, may be ID information of the receiving node B2 and the receiving node B3.
  • the transmission mode supported by the receiving node B1 and the receiving node B2 includes a B1b transmission mode
  • the transmission mode supported by the receiving node B1 and the receiving node B3 includes a B1c transmission mode.
  • the acquired transmission capability information of the receiving node B2 includes the following contents:
  • the identification information of the receiving node B1 having the capability of communicating with the receiving node B2 may be, for example, the ID information of the receiving node B1.
  • the transmission mode supported by the receiving node B2 and the receiving node B1 includes the B1b transmission mode.
  • the obtained transmission capability information of the receiving node B3 includes the following contents:
  • the transmission mode supported by the receiving node B3 and the transmitting node A includes the B1c transmission mode.
  • the identification information of the receiving node B1 having the capability of communicating with the receiving node B3 may be, for example, the ID information of the receiving node B1.
  • the transmission mode supported by the receiving node B3 and the receiving node B1 includes the B1c transmission mode.
  • the obtained transmission capability information of the receiving node B4 includes the following contents:
  • the transmitting node A may, according to the identification information included in the transmission capability information, at least one receiving node corresponding to the identification information (for example, receiving node B1, receiving node B2, and receiving) Node B3) is determined to be at least one intermediate receiving node for forwarding the data packet, assuming that the data packet requested by the receiving node B1 is relatively large, if the request task between the transmitting node A and the receiving node B1 is too heavy and the supported transmission protocol speed is not If the node is high, the receiving node B4 may be in a long wait.
  • the method provided by the embodiment of the present application may be used by the sending node A to split the data packet into several sub-decisions according to the number of nodes that can establish a transmission link with the receiving node B1.
  • Data packet because the receiving node B1 can establish a transmission link with the transmitting node A, the receiving node B2, and the receiving node B3 in the network shown in FIG. 7, the transmitting node A can decide to split the data packet into three sub-data.
  • the packet is assumed to be a sub-packet 1, a sub-packet 2, and a sub-packet 3, respectively, and when the transmitting node A transmits a packet to the receiving node B2,
  • the sub-packet 1 can be sent to the receiving node B2 by using the B1b transmission mode, and the sub-packet 1 can be sent to the receiving node B1 by the receiving node B2, and the sub-data can be sent when the transmitting node A sends the data packet to the receiving node B3.
  • the packet 2 is sent to the receiving node B3 by using the B1c transmission mode, and the sub-packet 2 can be sent to the receiving node B1 through the receiving node B3.
  • the transmitting node A can directly transmit the sub-packet 3 to the receiving node B1 by using the B1a transmission mode, and receive After receiving three sub-packets, Node B1 combines the three sub-packets into one complete data packet.
  • the B1a transmission mode, the B1b transmission mode, and the B1c transmission mode are transmission modes that can be used simultaneously, so that the transmitting node A can simultaneously transmit three sub-data packets through three transmission modes.
  • the transmitting node A may determine the first transmission sequence, the second transmission sequence, the transmission path, the first transmission mode, and the second transmission mode based on the shortest transmission time policy based on the same method as in the first embodiment.
  • the sending node A can determine the following combination mode with the shortest transmission time: the transmitting node A can transmit the data packet and the sub-packet 1 that the receiving node B2 needs to receive to the receiving node B2 by using the B1b transmission mode, and receive the data by using the B1c transmission mode.
  • the node B3 transmits the data packet to be received by the receiving node B3 and the sub-packet 2, and transmits the sub-packet 3 to the receiving node B1 by using the B1a transmission mode. Finally, the transmitting node A transmits the data packet to the receiving node B4 by using the B1a transmission mode.
  • FIG. 8 which is a schematic diagram of the transmitting node A transmitting a data packet according to the shortest combination of transmission time, the transmitting node A obtains the transmission capability information of each receiving node before transmitting the data packet to the sending node B1 to the transmitting node B4 (FIG.
  • the transmitting node A may send a data packet to each receiving node according to the first transmission sequence and the second transmission sequence included in the combined manner.
  • the B1a transmission mode, the B1b transmission mode, and the B1c transmission mode do not conflict with each other, that is, the same node can establish a transmission link corresponding to the above three transmission modes with different nodes at the same time, but the same node is Only one transmission link corresponding to the transmission mode can be established at the same time.
  • the transmitting node A can only establish a B1a transmission link with one of the four receiving nodes.
  • the transmitting node A can fully utilize multiple intermediate receiving nodes and multiple available transmission protocols, and establish a high-speed available transmission channel with the intermediate receiving nodes (for example, the receiving node B2 and the receiving node B3) to implement multi-stream transmission across nodes. Avoid congestion caused by a large single-node data packet, so that the sub-packets sent by the sending node can be re-routed or shunted to other neighboring nodes with smaller communication traffic for indirect transmission.
  • the embodiment of the present application further provides a data packet transmission device.
  • the data packet transmission device includes corresponding hardware structures and/or software modules for performing various functions in order to implement the above functions.
  • the present application can be implemented in a combination of hardware or hardware and computer software in combination with the algorithmic steps of the various examples described in the embodiments disclosed herein. Whether a function is implemented in hardware or computer software to drive hardware depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods to implement the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present application.
  • FIG. 9 is a schematic diagram showing a possible structure of a data packet transmission device according to an embodiment of the present application.
  • the data packet transmission device 900 includes a processing unit 901, a storage unit 902, and a transceiver unit 903.
  • the processing unit 901 is configured to perform control management on the action of the data packet transmission device 900.
  • the processing unit 901 can be used to execute technical processes such as S102-S103 in FIG.
  • the transceiver unit 903 is configured to support communication of the data packet transmission device 900 with other network entities, for example, may be used to perform technical processes such as S101 and S104 in FIG.
  • the packet transmission device 900 may further include a storage unit 902 for storing program codes and data of the packet transmission device 900.
  • the processing unit 901 can be a processor or a controller, for example, a general central processing unit (CPU), a general-purpose processor, a digital signal processing (DSP), and an application specific integrated circuit. Circuits, ASICs, field programmable gate arrays (FPGAs) or other programmable logic devices, transistor logic devices, hardware components, or any combination thereof. It is possible to implement or carry out the various illustrative logical blocks, modules and circuits described in connection with the present disclosure.
  • the processor may also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of a DSP and a microprocessor, and the like.
  • the transceiver unit 903 can be a radio frequency chip, a radio frequency circuit, or the like.
  • the storage unit 902 may be a memory, and may be a RAM (random-access memory), a ROM (read-only memory), or the like.
  • the processing unit 901 is a processor
  • the transceiver unit 903 is a transceiver
  • the storage unit 902 is a memory
  • the data packet transmission device 900 may be the device shown in FIG.
  • FIG. 10 is a schematic diagram showing a possible logical structure of a data packet transmission device involved in the foregoing embodiment provided by an embodiment of the present application.
  • the packet transmission device 1000 can include at least one processor 1001.
  • the processor 1001 is configured to control and control the action of the device.
  • the data packet transmission device 1000 may further include a memory 1002 and a transceiver 1003.
  • the processor 1001, the memory 1002, and the transceiver 1003 may be connected to each other or to each other through a bus 1004.
  • the memory 1002 is configured to store code and data of the data packet transmission device 1000.
  • the transceiver 1003 is configured to support the data packet transmission device 1000 to communicate with other network devices.
  • the specific components of the packet transmission device 1000 are specifically described below:
  • the processor 1001 is a control center of the device, and may be a processor or a collective name of a plurality of processing elements.
  • the processor 1001 is a CPU, which may be implemented by means of an ASIC, or one or more integrated circuits configured to implement the embodiments of the present invention, for example: one or more DSPs, or one or more FPGA.
  • the processor 1001 can perform various functions of the data packet transmission device 1000 by running or executing a software program stored in the memory 1002 and calling data stored in the memory 1002.
  • the memory 1002 may be a read-only memory (ROM) or other type of static storage device that can store static information and instructions, a random access memory (RAM) or other type that can store information and instructions.
  • the dynamic storage device can also be an Electrically Erasable Programmable Read-Only Memory (EEPROM), a Compact Disc Read-Only Memory (CD-ROM) or other optical disc storage, and a disc storage device. (including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or can be used to carry or store desired program code in the form of instructions or data structures and can be Any other media accessed, but not limited to this.
  • the memory 1002 may exist independently and be coupled to the processor 1001 via a communication bus 1004.
  • the memory 1002 can also be integrated with the processor 1001.
  • the transceiver 1003 is used for communication with other nodes, for example, a network device. It can also be used to communicate with a communication network, such as Ethernet, radio access network (RAN), wireless local area networks (WLAN), and the like.
  • a communication network such as Ethernet, radio access network (RAN), wireless local area networks (WLAN), and the like.
  • the communication bus 1004 may be an Industry Standard Architecture (ISA) bus, an external UAV, a Peripheral Component (PCI) bus, or an Extended Industry Standard Architecture (EISA) bus. Wait.
  • ISA Industry Standard Architecture
  • PCI Peripheral Component
  • EISA Extended Industry Standard Architecture
  • the bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in FIG. 10, but it does not mean that there is only one bus or one type of bus.
  • the device structure shown in FIG. 10 does not constitute a limitation of the data packet transmission device, and may include more or less components than those illustrated, or a combination of certain components, or different component arrangements.
  • the processor 1001 calls and executes the computer program stored in the memory 1002, and the specific process of each embodiment in the foregoing method embodiments can be completed by the transceiver 1003. Detailed.
  • the embodiment of the present application further provides a computer storage medium, where the computer storage medium stores computer executable instructions, when the computer executable instructions are called by the computer,
  • the computer readable storage medium is not limited, and may be, for example, a RAM (random-access memory), a ROM (read-only memory), or the like.
  • the embodiment of the present application further provides a computer program product, where the computer program product stores instructions, when executed on a computer, causes the computer to perform any of the above possible designs.
  • the method provided in .
  • embodiments of the present application can be provided as a method, system, or computer program product.
  • the present application can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment in combination of software and hardware.
  • the application can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including 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 instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • a device implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of a 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.

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Abstract

L'invention concerne un procédé et un dispositif de transmission de paquets de données, qui sont utilisés pour améliorer l'efficacité de transmission lorsqu'un paquet de données est transmis en utilisant une technologie de communication sans fil à courte portée au niveau d'une pluralité de nœuds. Le procédé comprend les étapes suivantes : un noeud de transmission, avant de transmettre au moins trois paquets de données à au moins trois nœuds de réception, acquiert des informations de capacité de transmission de chaque noeud de réception, détermine au moins un noeud de réception intermédiaire selon les informations de capacité de transmission, détermine une séquence de transmission, un chemin de transmission et un mode de transmission du paquet de données de transmission selon les informations de capacité de transmission de chaque noeud de réception et les informations de capacité de transmission du noeud de transmission, transmet une partie des au moins trois paquets de données à un noeud de réception qui a besoin de recevoir ladite partie en utilisant la séquence de transmission déterminée, le chemin de transmission et le mode de transmission, et transmet l'autre partie des au moins trois paquets de données à un noeud de réception qui doit recevoir ladite autre partie au moyen du au moins un noeud de réception intermédiaire.
PCT/CN2018/086587 2018-05-11 2018-05-11 Procédé et dispositif de transmission de paquets de données WO2019213958A1 (fr)

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