WO2020001213A1 - Procédé de transmission de message, appareil de commutation, dispositif de communication sans fil et support de stockage - Google Patents

Procédé de transmission de message, appareil de commutation, dispositif de communication sans fil et support de stockage Download PDF

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Publication number
WO2020001213A1
WO2020001213A1 PCT/CN2019/088401 CN2019088401W WO2020001213A1 WO 2020001213 A1 WO2020001213 A1 WO 2020001213A1 CN 2019088401 W CN2019088401 W CN 2019088401W WO 2020001213 A1 WO2020001213 A1 WO 2020001213A1
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WIPO (PCT)
Prior art keywords
message
clock
type
switching device
interface
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PCT/CN2019/088401
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English (en)
Chinese (zh)
Inventor
何兴诗
张泽建
吴永航
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中兴通讯股份有限公司
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Publication of WO2020001213A1 publication Critical patent/WO2020001213A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0658—Clock or time synchronisation among packet nodes
    • H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
    • H04J3/0667—Bidirectional timestamps, e.g. NTP or PTP for compensation of clock drift and for compensation of propagation delays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes

Definitions

  • the present application relates to, but is not limited to, the field of wireless communication technologies, and in particular, to a message transmission method device, a switching device, a wireless communication device, and a storage medium.
  • wireless communication equipment needs to obtain high-precision time signals to support time-sensitive services.
  • wireless communication devices Due to the IEEE1588 protocol, which is a precision clock synchronization protocol standard for network measurement and control systems, strict clock synchronization can be achieved through Ethernet with an accuracy of 100ns. Therefore, wireless communication devices generally use 1588 packets received from the transmission network as clocks. Sync signal. There are usually multiple external network ports on the switching device of wireless communication equipment, which can be connected to the transmission network at the same time. Each network port will run the 1588 protocol for high-precision time synchronization.
  • a wireless communication device selects an optimal clock source according to a 1588 message
  • its Central Processing Unit CPU
  • the CPU of the wireless communication device must use the same number of network cards as the network ports on the switching device.
  • Each network card receives the 1588 packets received by one network port, so the port information of the network port that receives the 1588 packets is clearly shown in Figure 1. Show. Therefore, the number of network ports on the wireless communication device panel is limited by the maximum number of network cards supported by the CPU, and the flexibility of transmitting 1588 packets is low.
  • the embodiments of the present application are expected to provide a message transmission method, a switching device, a wireless communication device, and a storage medium.
  • the switching device is configured with a specific interface through which each clock message and The corresponding receiving port information is transmitted to the CPU at the same time, and the CPU does not need to set a large number of network cards, thereby improving the flexibility of message transmission.
  • An embodiment of the present application provides a message transmission method applied to a switching device in a wireless communication device.
  • the switching device is configured to transmit a message to a central processor in the wireless communication device.
  • the method includes:
  • the central processor Sending the clock message and the receiving port information to the central processor through a first interface; wherein the first interface is an interface in the switching device configured to transmit a clock type message.
  • An embodiment of the present application provides a switching device configured to transmit a message to a central processing unit in a wireless communication device.
  • the switching device includes a receiving module, an obtaining module, a determining module, a sending module, and a first Interface;
  • the receiving module is configured to receive at least one message
  • the acquisition module is configured to extract at least one type of characterization information from the at least one message
  • the determining module is configured to determine, from the at least one message, a clock message whose message type is a clock type according to the at least one type characterization information, and obtain receiving port information corresponding to the clock message. ;
  • the sending module is configured to send the clock message and the receiving port information to a central processor through the first interface; wherein the first interface is configured to transmit a clock type message in the switching device. Text interface.
  • An embodiment of the present application provides a switching device configured to transmit a message to a central processing unit in a wireless communication device.
  • the switching device includes:
  • Memory configured to save programs for message transmission
  • the processor is configured to run the program, and when the program runs, the foregoing message transmission method provided in the embodiment of the present application is executed.
  • An embodiment of the present application provides a wireless communication device, and the device includes:
  • a central processing unit wherein the switching device is configured to send a message to the central processing unit.
  • An embodiment of the present application further provides a computer-readable storage medium.
  • the computer-readable storage medium stores one or more programs, and the one or more programs can be executed by one or more processors to implement the foregoing.
  • Message transmission method is provided.
  • the switching device is configured to transmit a message to the central processing unit
  • the wireless communication device includes the switching device and the central processing unit.
  • the switching device receives at least one message; extracts at least one type of characterization information from the at least one message; determines, based on the at least one type of characterization information, at least one message from the at least one message, a clock message of a clock type, and Acquire the receiving port information corresponding to the clock message; send the clock message and the receiving port information to the central processor through the first interface; wherein the first interface is an interface in the switching device configured to transmit a clock type message.
  • the switching device is configured with a specific first interface, and through this first interface, each clock packet and corresponding receiving port information can be transmitted to the central processor at the same time, and the central processor does not A large number of network cards need to be set for data transmission, which improves the flexibility of message transmission.
  • FIG. 1 is a schematic diagram of message transmission in the related art
  • FIG. 2 is a first flowchart of a message transmission method according to an embodiment of the present application
  • FIG. 3 is a second flowchart of a message transmission method according to an embodiment of the present application.
  • FIG. 4 is a first schematic diagram of exemplary packet transmission according to an embodiment of the present application.
  • FIG. 5 is a second schematic diagram of an exemplary message transmission according to an embodiment of the present application.
  • FIG. 6 is a first schematic structural diagram of a switching device according to an embodiment of the present application.
  • FIG. 7 is a second schematic structural diagram of a switching device according to an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a wireless communication device according to an embodiment of the present application.
  • FIG. 2 is a first flowchart of a message transmission method according to an embodiment of the present application. As shown in Figure 2, it mainly includes the following steps:
  • S201 Receive at least one message.
  • the switching device may receive at least one message.
  • the switching device in the wireless communication device is provided with at least one external network port, and the switching device can receive at least one message through the at least one external network port.
  • the number of external network ports is not limited in the embodiment of the present application.
  • the at least one message received by the switching device may be received from one external network port, or may be received from a different external network port.
  • the embodiment of the network port and message application for receiving the message is not limited.
  • the wireless communication device may be a wireless base station device, and the specific wireless communication device is not limited in this embodiment of the present application.
  • At least one message received by the switching device originates from an external transmission network, and the switching device can receive a message transmitted by the transmission network through the Ethernet through an external network port.
  • the wireless communication device may be deployed in a remote area. Therefore, the message received by the switching device through the external network port may be a layer two multicast message or a layer three user datagram protocol (User Datagram Protocol, UDP). ) Unicast message, which is not limited in the embodiment of the present application.
  • UDP User Datagram Protocol
  • the switching device after the switching device receives at least one message through the external network port, it can extract at least one type of characterization information from the at least one message.
  • each message contains type characterization information, so the switching device can directly extract a corresponding type from each message.
  • Characterization information that is, at least one type of characterization information is extracted from at least one message. Specific types of characterization information are not limited in the embodiments of the present application.
  • the type characterization information may be a destination physical (Media Access Control, MAC) address, or Ethernet protocol type and source port information.
  • MAC Media Access Control
  • the type characterization information is a destination physical address
  • the switching device may directly extract at least one destination physical address from at least one message, that is, the switching device extracts the corresponding destination of the message from each message. Physical address.
  • the type characterization information is Ethernet protocol type and source port information
  • the switching device can directly extract at least one Ethernet protocol type and at least one source port information from the at least one message, that is, the switching device
  • the packet extracts the Ethernet protocol type and source port information corresponding to the packet.
  • At least one type characterization information from at least one message, determine a clock message whose message type is a clock type, and obtain receiving port information corresponding to the clock message.
  • the switching device may determine, based on the at least one type of characterization information, from at least one message, a clock message with a message type of clock type. And obtain the receiving port information corresponding to the clock message.
  • a clock message with a message type of clock type can be determined from at least one message according to different methods.
  • the type characterization information is a destination physical address
  • the switching device matches at least one destination physical address corresponding to the at least one message with a preset destination physical address from at least one message to obtain at least one matching result. Then, in the at least one matching result, the packet corresponding to the successfully matched destination physical address is determined as a clock packet.
  • the switching device receives two messages, namely a first message and a second message. After that, the switching device extracts the destination physical address corresponding to the first message, that is, the first physical address, and extracts the second message.
  • the destination physical address corresponding to the message that is, the second physical address, matches the first physical address and the second physical address with a preset physical address, respectively, to obtain a first matching result and a second matching result.
  • the first matching result is a successful match
  • the first message corresponding to the first physical address is a clock message
  • the second matching result is a successful match
  • the second message corresponding to the second physical address is a clock message.
  • the switching device may further determine, from at least one type characterization information corresponding to the at least one message, that the Ethernet protocol type is a preset type, and the source port information is a first type of the preset source port information. Characterization information, and then determine the message corresponding to the first type of characterization information as a clock message.
  • the type characterization information may include: Ethernet protocol type and source port information, that is, the type characterization information corresponding to a message may be the Ethernet protocol type and source port information corresponding to the message,
  • the type characterization information corresponding to the message is the preset type and the source port information is the preset source port information, that is, the type characterization information corresponding to the message is the first type characterization information. Therefore, The switching device determines that the message is a clock message.
  • the switching device receives two messages, namely a first message and a second message, and thereafter, the switching device extracts the Ethernet protocol type corresponding to the first message, that is, the first Ethernet protocol type, and The source port information corresponding to the first packet, that is, the first source port information, and the Ethernet protocol type corresponding to the second packet, that is, the second Ethernet protocol type, and the source port information corresponding to the second packet, that is, Second source port information. If the first Ethernet protocol type is a preset type and the first source port information is preset source port information, the switching device determines the first Ethernet protocol type and the first source port information as the first type characterization information, thereby The first message is determined as a clock message.
  • the switching device determines the second Ethernet protocol type and the second source port information as the first type characterization information, Thereby, the second message is determined as a clock message.
  • the preset type is UDP
  • the preset source port information is 319 and 320.
  • the switching device After receiving the first packet, the switching device extracts the Ethernet protocol type corresponding to the first packet, that is, the first Ethernet protocol type, and the source port information corresponding to the first packet, that is, the first source port information.
  • the switching device determines that the packet type of the packet is a clock type, and the packet It is a 1588 message.
  • the switching device can receive at least one message, as for the received message, as long as the corresponding type characterization information can indicate that the message type is a clock type, It is determined that the message is a clock message, that is, there can be multiple clock messages, as long as the type characterization information satisfies relevant conditions.
  • the number of clock messages is not limited in the embodiment of the present application.
  • the switching device may directly obtain the receiving port information corresponding to the clock message.
  • each external network port is configured with a corresponding port number.
  • the switching device can directly obtain the port number of the external network port that receives the clock message, that is, the receiving port information corresponding to the clock message.
  • the receiving port information corresponding to the clock message is not limited in this embodiment of the present application.
  • three external network ports are provided in the switching device, which are network port 1, network port 2, and network port 3.
  • the port number corresponding to network port 1 is A
  • the port number corresponding to network port 2 is B
  • the port number corresponding to port 3 is C.
  • the switching device receives a first message through network port 1 and a second message through network port 3.
  • the first message is determined as a clock message. Therefore, the switching device can directly obtain the receiving port information corresponding to the first message as A.
  • the first interface is an interface in the switching device configured to transmit a clock type message.
  • the switching device may send the clock message and the receiving port information corresponding to the clock message to the CPU through the first interface.
  • the switching device After acquiring the receiving port information corresponding to the clock message, the switching device sends the receiving port information corresponding to the clock message to the CPU while sending the clock message to the CPU.
  • the switching device is provided with a first interface, and the first interface is an interface configured in the switching device to transmit a clock-type message.
  • the first interface may be the Extend Peripheral Component Interconnect (PCIE) interface .
  • the switching device may send the clock message and the receiving port information corresponding to the clock message to the CPU through the PCIE interface.
  • the switching device may generate additional information corresponding to the clock message according to the clock message, and then write the receiving port information corresponding to the clock message to the additional information corresponding to the clock message. Finally, the first interface The clock message and additional information corresponding to the clock message are sent to the CPU.
  • the additional information corresponding to the clock message may be basic information of the clock message, that is, an overview information of the clock message.
  • the specific additional information of the clock message is not limited in the embodiment of the present application.
  • the switching device sends the additional information corresponding to the clock message and the clock message to the CPU through the first interface, and the CPU can obtain the receiving information in the switching device according to the additional information corresponding to the clock message.
  • the exchange can also read The clock counter inside the device acquires the dwell time of the clock message, and then writes the dwell time of the clock message into the Config (Field) (CF) field of the clock message.
  • the dwell time of the clock message is actually the length of time from when the switching device receives the clock message to when it sends the clock message.
  • the specific dwell time of the clock message is an embodiment of the present application. Not limited.
  • the switching device writes the dwell time of the clock message into the configuration field of the clock message.
  • the clock message can be obtained by reading the configuration field of the clock message.
  • the dwell time of the text can be used for subsequent clock protocol processing.
  • the switching device determines the clock message from at least one message
  • the non-clock message also needs to be sent to the CPU in other ways for transmission, and the central processor does not need to A large number of network cards can be set for data transmission, which improves the flexibility of message transmission.
  • FIG. 3 is a second flowchart of a message transmission method according to an embodiment of the present application. As shown in FIG. 3, after step S203, steps S301 to S302 can also be included, as follows:
  • S301 Determine, among at least one message, a non-clock message as a data message with a message type of a data type.
  • the switching device determines, from the at least one message, a non-clock message to be a data message with a message type of a data type.
  • the switching device receives two messages, namely a first message and a second message, and from these two messages, it is determined that the first message is a clock message. Therefore, it is possible to directly The second message is determined as a data message.
  • the switching device can receive at least one message, there may be multiple data messages.
  • the number of data packets is not limited in the embodiment of the present application.
  • the data packet is sent to the central processing unit through a second interface.
  • the second interface is an interface in the switching device configured to transmit a data type packet.
  • the switching device after determining the data packet, sends the data packet to the CPU through the second interface.
  • the switching device is provided with a second interface
  • the second interface is an interface in the switching device configured to transmit data type packets.
  • the specific second interface is not limited in the embodiment of the present application.
  • the switching device can directly send the data message to the CPU through the second interface through Ethernet. After receiving the data message, the CPU can perform subsequent data message processing according to the data message.
  • the wireless communication device may include multiple CPUs.
  • the number of CPUs is not limited in the embodiment of the present application.
  • FIG. 4 is a first schematic diagram of an exemplary message transmission according to an embodiment of the present application.
  • the wireless communication device includes only one CPU
  • the switching device may use the first interface to receive the receiving port information corresponding to the clock message and The clock message is sent to the CPU.
  • the clock message is sent to a module configured to process the clock message in the CPU.
  • the first interface is a PCIE interface
  • the channel is a PCIE channel.
  • the switching device may send the data message to the CPU through the second interface, for example, to a module in the CPU configured to process the data message.
  • FIG. 5 is a second schematic diagram of an exemplary message transmission according to an embodiment of the present application.
  • the CPU includes two CPUs, namely a first CPU and a second CPU
  • the first CPU includes a module configured to process a clock message
  • the second CPU includes a module configured to process a data message.
  • the switching device may send the receiving port information and the clock message corresponding to the clock message to the first CPU and configured to process the clock message through the first interface.
  • the first interface is a PCIE interface
  • the channel is a PCIE channel.
  • the switching device may send the data message to the second CPU through the second interface, for example, to the module configured to process the data message in the second CPU.
  • An embodiment of the present application provides a message transmission method, which is applied to a switching device.
  • the switching device is configured to transmit a message to a central processing unit.
  • the wireless communication device includes a switching unit and a central processing unit.
  • the switching device receives at least one message; extracts at least one type of characterization information from the at least one message; determines, based on the at least one type of characterization information, at least one message from the at least one message, a clock message of a clock type, and Acquire the receiving port information corresponding to the clock message; send the clock message and the receiving port information to the central processor through the first interface; wherein the first interface is an interface in the switching device configured to transmit a clock type message.
  • the switching device in order for the CPU to know the port information of the network port in the switching device that receives the clock message, a corresponding network card must be configured in the CPU for each network port in the switching device to receive the corresponding
  • the clock packets received by the network port are not flexible enough to transmit.
  • the switching device is configured with a specific first interface, and through this first interface, each clock packet and corresponding receiving port information can be transmitted to the central processor at the same time, and the central processor does not A large number of network cards need to be set for data transmission, which improves the flexibility of message transmission.
  • FIG. 6 is a schematic structural diagram of a switching device according to an embodiment of the present application.
  • the switching device 1 configured to transmit a message to a central processing unit in a wireless communication device includes a receiving module 601, an obtaining module 602, a determining module 603, a sending module 604, and First interface 605;
  • the receiving module 601 is configured to receive at least one message
  • the obtaining module 602 is configured to extract at least one type characterization information from the at least one message
  • the determining module 603 is configured to determine, from the at least one message, a clock message whose message type is a clock type according to the at least one type characterization information, and obtain a receiving port corresponding to the clock message. information;
  • the sending module 604 is configured to send the clock packet and the receiving port information to a central processor through a first interface 605; wherein the first interface 605 is configured as a transmission clock type in the switching device The interface of the message.
  • the at least one type characterization information is at least one destination physical address
  • the determining module 603 is configured to, from the at least one message, match the at least one message corresponding to the at least one message.
  • a destination physical address is matched with a preset destination physical address to obtain at least one matching result; and a message corresponding to the successfully matched destination physical address in the at least one matching result is determined as the clock message.
  • the determining module 603 is further configured to determine, from the at least one type characterization information corresponding to the at least one message, that the Ethernet protocol type is a preset type and the source port information is preset source port information.
  • the first type of characterization information determining a message corresponding to the first type of characterization information as the clock message.
  • the sending module 604 is configured to generate additional information corresponding to the clock message according to the clock message; write the receiving port information into the additional information; and pass the first
  • the interface 605 sends the clock message and the additional information to the central processing unit.
  • the switching device 1 further includes: a writing module; wherein,
  • the writing module is configured to obtain a dwell time of the clock message before sending the clock message and the receiving port information to the central processor through the first interface 605; The dwell time of the clock message is written into a configuration field of the clock message.
  • FIG. 7 is a schematic structural diagram of a switching device according to an embodiment of the present application. As shown in FIG. 7, the switching device 1 further includes: a second interface 607;
  • the determining module 603 is further configured to determine, after the clock message whose message type is a clock type is determined, among the at least one message, a message which is not the clock message is a message type of Data message of data type;
  • the sending module 604 is further configured to send a data packet to the central processor through the second interface 607; wherein the second interface 607 is configured in the switching device to transmit a data type packet. interface.
  • An embodiment of the present application provides a switching device.
  • the switching device includes a receiving module, an acquiring module, a determining module, a transmitting module, and a first interface.
  • the receiving module 601 is configured to receive at least one message.
  • the acquiring module is configured.
  • the determining module is configured to determine, based on the at least one type of characterization information, from at least one message, a clock message of a clock type and obtain a clock.
  • the receiving port information corresponding to the message; the sending module is configured to send the clock message and the receiving port information to the central processor through the first interface 605; wherein the first interface is an interface in the switching device configured to transmit a clock type message .
  • the switching device in order for the CPU to know the port information of the network port in the switching device that receives the clock message, a corresponding network card must be configured in the CPU for each network port in the switching device to receive the corresponding
  • the clock packets received by the network port are not flexible enough to transmit.
  • the switching device is configured with a specific first interface, and through this first interface, each clock packet and corresponding receiving port information can be transmitted to the central processor at the same time, and the central processor does not A large number of network cards need to be set for data transmission, which improves the flexibility of message transmission.
  • FIG. 8 is a schematic structural diagram of a wireless communication device according to an embodiment of the present application. As shown in FIG. 8, the device includes:
  • An embodiment of the present application further provides a computer-readable storage medium.
  • the computer-readable storage medium stores one or more programs, and the one or more programs can be executed by one or more processors to implement the foregoing.
  • Message transmission method may be a volatile memory (for example, Random-Access Memory (RAM); or a non-volatile memory (for example, Read-only memory).
  • RAM Random-Access Memory
  • ROM Read-only memory
  • HDD Hard Disk Drive
  • SSD Solid-State Drive
  • this application may be provided as a method, a system, or a computer program product. Therefore, this application may take the form of a hardware embodiment, a software embodiment, or an embodiment combining software and hardware aspects. Moreover, this application may take the form of a computer program product implemented on one or more computer-usable storage media (including, but not limited to, magnetic disk storage, optical storage, and the like) containing computer-usable program code.
  • a computer-usable storage media including, but not limited to, magnetic disk storage, optical storage, and the like
  • These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable signal processing device to work in a particular manner such that the instructions stored in the computer-readable memory produce a manufactured article including an instruction device, the instructions
  • the device implements the functions specified in one or more flowcharts and / or one or more blocks of the block diagram.
  • These computer program instructions can also be loaded on a computer or other programmable signal processing device, so that a series of steps can be performed on the computer or other programmable device to produce a computer-implemented process, which can be executed on the computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more flowcharts and / or one or more blocks of the block diagrams.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

La présente invention concerne un procédé de transmission de message, et un appareil de commutation appliqué dans un dispositif de communication sans fil, l'appareil de commutation étant configuré pour transmettre un message à une unité centrale de traitement dans le dispositif de communication sans fil ; le procédé comprend : la réception d'au moins un message ; l'extraction d'au moins un type d'informations de caractérisation à partir de l'au moins un message ; la détermination d'un message d'horloge dont le type de message est un type d'horloge à partir de l'au moins un message selon l'au moins un type d'informations de caractérisation, et l'acquisition des informations de port de réception correspondant au message d'horloge ; l'envoi du message d'horloge et des informations de port de réception à l'unité centrale de traitement au moyen d'une première interface, la première interface étant une interface configurée pour transmettre un message de type horloge dans l'appareil de commutation.
PCT/CN2019/088401 2018-06-28 2019-05-24 Procédé de transmission de message, appareil de commutation, dispositif de communication sans fil et support de stockage WO2020001213A1 (fr)

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CN114245411A (zh) * 2021-11-08 2022-03-25 深圳震有科技股份有限公司 报文延时时间的测试方法、装置、终端设备及存储介质

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