WO2023273608A1 - Procédé d'auto-vérification de transmission de station de base, dispositif électronique et support de stockage lisible par ordinateur - Google Patents

Procédé d'auto-vérification de transmission de station de base, dispositif électronique et support de stockage lisible par ordinateur Download PDF

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Publication number
WO2023273608A1
WO2023273608A1 PCT/CN2022/091437 CN2022091437W WO2023273608A1 WO 2023273608 A1 WO2023273608 A1 WO 2023273608A1 CN 2022091437 W CN2022091437 W CN 2022091437W WO 2023273608 A1 WO2023273608 A1 WO 2023273608A1
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WIPO (PCT)
Prior art keywords
packet
base station
packet filling
message
filling
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PCT/CN2022/091437
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English (en)
Chinese (zh)
Inventor
郭忠诚
祝大勇
胡博
钟晓康
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中兴通讯股份有限公司
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Publication of WO2023273608A1 publication Critical patent/WO2023273608A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition

Definitions

  • the present disclosure relates to the field of communication technologies, and in particular to a base station transmission self-inspection method, a base station, electronic equipment, and a computer-readable storage medium.
  • the mobile network is usually constructed by the cooperation of multiple equipment manufacturers, realizing the componentization of the communication system.
  • When detecting base station transmission problems it usually needs to rely on other equipment. For example, first connect the base station to the core network, and then perform large-flow packets on the core network, and transmit them to user terminals through the base station, and then gradually check the base station and core network.
  • an embodiment of the present disclosure provides a base station transmission self-inspection method, including:
  • the packet filling task information at least including the packet filling initial protocol layer type and the terminal address;
  • an embodiment of the present disclosure provides a base station, including:
  • the obtaining module is configured to obtain the packet filling task information from the control system, and the packet filling task information includes at least the packet filling initial protocol layer type and the terminal address;
  • the transmission module is configured to send the packet filling message to the terminal address according to the initial protocol layer type of the packet filling
  • a self-inspection module configured to determine the transmission parameter for sending the packet filling message after the transmission module sends the packet filling message to the terminal address, and determine the base station according to the transmission parameter and a preset threshold Transmission of self-test results.
  • an electronic device including:
  • the one or more processors are made to implement the base station transmission self-checking method as described above.
  • an embodiment of the present disclosure provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed, the aforementioned base station transmission self-inspection method is implemented.
  • FIG. 1 is a schematic diagram of a system architecture provided by an embodiment of the present disclosure
  • FIG. 2 is a schematic flowchart of a base station transmission self-inspection method provided by an embodiment of the present disclosure
  • FIG. 3 is a schematic flow diagram of obtaining and storing air interface bearer information provided by an embodiment of the present disclosure
  • Fig. 4 is a kind of flow schematic diagram of bag filling
  • FIG. 5 is a schematic diagram of a packet filling process provided by an embodiment of the present disclosure.
  • FIG. 6 is a schematic diagram of a user datagram protocol (User Datagram Protocol, UDP) message format provided by an embodiment of the present disclosure
  • FIG. 7 is a schematic module diagram of a base station provided by an embodiment of the present disclosure.
  • FIG. 8 is a schematic diagram of modules of a base station provided by an embodiment of the present disclosure.
  • Embodiments described herein may be described with reference to plan views and/or cross-sectional views by way of idealized schematic illustrations of the present disclosure. Accordingly, the example illustrations may be modified according to manufacturing techniques and/or tolerances. Therefore, the embodiments are not limited to the ones shown in the drawings but include modifications of configurations formed based on manufacturing processes. Therefore, the regions illustrated in the drawings have schematic properties, and the shapes of the regions shown in the figures illustrate the specific shapes of the regions of the elements, but are not restrictive.
  • An embodiment of the present disclosure provides a base station transmission self-inspection method, the method is applied to the system shown in FIG. 1 , and the system includes a control system, a base station, and a terminal device. Multiple terminal devices are connected to the base station, and the control system is used as an independent network element or a module in the independent network element outside the base station.
  • the control system is configured to send packet filling task information to the base station, and the base station is configured to create a packet filling message according to the packet filling task information and send the packet filling message to the terminal device, and is also configured to send the packet filling message according to the transmission Parameters and preset thresholds determine base station transmission self-test results.
  • the base station transmission self-inspection method in the embodiment of the present disclosure may include the following steps S11 to S14.
  • step S11 the packet filling task information is obtained from the control system, and the packet filling task information includes at least the packet filling start protocol layer type and the terminal address.
  • the control system can be used as a control module inside the base station, or as an independent network element or a module in an independent network element outside the base station, configured to perform the task of creating packets, displaying the self-test results of base station transmission, and monitoring the KPI (Key Performance Indication, key performance indicators, such as signaling channel availability rate, voice channel availability rate, signaling channel drop rate, and voice channel assignment failure rate, etc.) and other operations.
  • KPI Key Performance Indication, key performance indicators, such as signaling channel availability rate, voice channel availability rate, signaling channel drop rate, and voice channel assignment failure rate, etc.
  • the acquisition of the package filling task information from the control system may include: receiving the package filling task information issued by the control system after creating the package filling task; or sending a package filling task request to the control system, and receiving the control system according to the package filling task Packet filling task information sent by request.
  • step S12 a packet filling message is created.
  • the base station After obtaining the packet filling task information, the base station can create a packet filling message according to the configuration parameters carried in the packet filling task information, and the specific information carried in the packet filling message, that is, the packet filling content, can be created according to the packet filling task information In addition to the packet-filling start protocol layer type and terminal address, other configuration parameters are determined to realize the customization of the packet-filling content.
  • step S13 according to the packet-filling start protocol layer type, the packet-filling message is sent to the terminal address.
  • the base station can include different types of protocol layer entities.
  • the control system configures the initial protocol layer type of packet filling in the packet filling task information.
  • the base station needs to start from the protocol layer entity corresponding to the initial protocol layer type of the packet filling internally. Initiate packet filling to the terminal.
  • step S14 after the packet filling message is sent to the terminal address, the transmission parameters for sending the packet filling message are determined, and the base station transmission self-inspection result is determined according to the transmission parameters and a preset threshold.
  • the base station transmission self-inspection result can be determined according to the transmission parameter and the preset threshold. For example, in the case where the transmission parameter is the packet loss rate, if the transmission parameter is greater than the preset threshold, it can be determined that the base station transmission self-inspection result is There is a fault; if the transmission parameter is less than or equal to the preset threshold, it can be determined that there is no fault in the transmission self-test result of the base station.
  • the base station transmission self-inspection method first configures the packet filling task information including at least the packet filling initial protocol layer type and the terminal address, creates a packet filling message according to the packet filling task information and sends the packet filling message Send to the terminal device corresponding to the terminal address, and after sending the packet filling message to the terminal address, determine the transmission parameters for sending the packet filling message, and determine the base station transmission self-test result according to the transmission parameters and the preset threshold.
  • the base station can start filling packets from different internal protocol layers to the designated terminal equipment according to the type of the initial protocol layer, and can comprehensively detect the transmission performance of each protocol layer entity inside the base station.
  • the type of the initial protocol layer of the packet filling can be PDCP (Packet Data Convergence Protocol, packet data convergence protocol).
  • the corresponding protocol layer entity initiates packet filling to the terminal, that is, the PDCP entity inside the base station initiates packet filling to the terminal.
  • the PDCP layer entity first needs to determine whether the base station has the air interface bearer information of the terminal equipment. Only when the base station has the air interface bearer information of the terminal equipment, the PDCP layer entity will send the filling packet to the terminal equipment. Save the air interface bearer information of the terminal equipment connected to the base station, so that the PDCP layer entity can successfully forward the packet filling message to the terminal equipment.
  • the base station transmission self-inspection method may also include the following step S13'.
  • step S13' before the packet filling message is sent to the terminal address (that is, step S13), the air interface bearer information of the terminal equipment connected to the base station is obtained and saved, and the air interface bearer information includes access to The terminal address of the terminal equipment of the base station.
  • sending the filling packet message to the terminal address may include the following steps: in the case of querying the corresponding air interface bearer information from the base station according to the terminal address, the The packet filling message is sent to the terminal address.
  • the air interface bearer information is the correspondence between the IP (Internet Protocol, Internet Protocol) address of the terminal equipment and the wireless bearer RB (Radio Bearer) information, and RB is a channel for carrying data transmission, and the air interface bears
  • the information also includes radio bearer RB information corresponding to the terminal address.
  • the acquiring and storing the air interface bearer information of the terminal equipment connected to the base station may include the following steps S131' and S132'.
  • step S131' receive the service message sent by the terminal equipment connected to the base station, and obtain the air interface bearer information carried in the service message.
  • the terminal device After the terminal device is connected to the base station, it can send uplink service messages to the base station.
  • the service messages can include browsing web pages, logging in to APP (Application, application program) and ping (Packet Internet Groper, Internet packet explorer) Packets in business processes such as network IP (Internet Protocol, Internet Protocol) addresses.
  • APP Application, application program
  • ping Packet Internet Groper, Internet packet explorer
  • the base station When receiving a service message sent by a terminal device that has accessed the base station, the base station can obtain the air interface bearer information of the terminal device from it.
  • step S132' if the air interface bearer information carried in the service message is stored locally and the quantity of the air interface bearer information carried in the service message locally stored is less than the preset number, or if there is no locally stored In the case of the air interface bearer information carried in the service message, save the air interface bearer information carried in the service message.
  • the base station After obtaining the air interface bearer information of the terminal device from the uplink service message, the base station can determine whether the air interface bearer information has been stored locally. When the air interface bearer information is not stored locally, the air interface bearer information may be directly stored. When the air interface bearer information has been stored locally and the quantity of the locally stored air interface bearer information is less than a preset quantity, the air interface bearer information may also be saved.
  • the air interface bearer information may include information such as the IP address of the terminal device.
  • the base station may store a preset number of air interface bearer information, and maintain a preset number of variables locally to record whether Store a preset number of air interface bearer information.
  • the base station can store two air interface bearer information including IPv4 (Internet Protocol version 4) addresses and two air interface bearer information including IPv6 (Internet Protocol version 6) addresses of the terminal device, and
  • the local maintenance variables IP14, IP24, IP16, IP26 are used to record whether two air interface bearer information including IPv4 addresses and two air interface bearer information including IPv6 addresses of the terminal device have been stored.
  • any variable in IP14 and IP24 is invalid_word32, it means that the base station can also store an air interface bearer information including an IPv4 address of the terminal device. If the values of IP14 and IP24 are both invalid_word32, it means that the base station can also store the terminal device. Two air interface bearer information including IPv4 addresses; similarly, if the value of any one of the variables in IP16 and IP26 is invalid_word32, it means that the base station can also store one air interface bearer information including IPv6 addresses of the terminal device. If IP16, IP26 The values of all are invalid_word32, indicating that the base station can also store two air interface bearer information including the IPv6 address of the terminal device.
  • the base station can further determine whether the air interface bearer information can be stored by querying locally maintained variables, for example, in the IP type In the case of IPv4 (Internet Protocol Version 4), the base station can determine whether the value of the locally maintained variable IP14 is invalid_word32. If the value of the variable IP14 is invalid_word32, it means that the base station can store the bearer information of the air interface.
  • the air interface bearer information can be stored by querying locally maintained variables, for example, in the IP type In the case of IPv4 (Internet Protocol Version 4). If the value of the variable IP14 is invalid_word32, it means that the base station can store the bearer information of the air interface.
  • the base station directly stores the Air interface bearer information; if the value of the variable IP14 is not invalid_word32, the base station cannot directly determine that the air interface bearer information cannot be stored locally at this time, and needs to determine whether the value of the locally maintained variable IP24 is also invalid_word32 If it is not invalid_word32, it means that the bearer information of the air interface cannot be stored locally, but if the value of IP24 is invalid_word32, it means that the bearer information of the air interface can be stored. At this time, the base station stores the bearer information of the air interface. When the IP type is IPv6 (Internet Protocol Version 6), the base station can judge whether the value of the locally maintained variable IP16 is invalid_word32.
  • IPv6 Internet Protocol Version 6
  • the base station If the value of the variable IP16 is invalid_word32, it means that the base station can store the bearer information of the air interface. At this time, the base station directly stores the bearer information of the air interface; if the value of the variable IP16 is not invalid_word32, the base station cannot directly determine that the bearer information of the air interface cannot be stored locally at this time, and needs to determine whether the value of the locally maintained variable IP26 is also invalid_word32. If the value of IP26 is not invalid_word32, it means that the air interface bearer information cannot be stored locally, but if the value of IP26 is invalid_word32, it means that the air interface bearer information can be stored. At this time, the base station stores the air interface bearer information.
  • the control system configures the terminal address in the packet filling task information, that is, specifies the target terminal device to which the base station needs to send the packet filling message for packet filling.
  • the base station can also obtain the address from the control system in advance. Or cooperate with the control system in advance to configure the relevant information of the target terminal device that needs to be filled, and obtain and save the air interface bearer information of the target terminal device by judging whether the terminal device connected to the base station is the target terminal device.
  • the acquisition and storage of the air interface bearer information of the terminal equipment connected to the base station can also be implemented by a target terminal identification method based on the tracking identifier TraceID, for example,
  • the base station can determine whether there is a TraceID consistent with the pre-configured or pre-acquired TraceID in the access request and other packets.
  • the base station can directly acquire and save the air interface bearer information of the terminal device. After obtaining and saving the air interface bearer information of the terminal equipment, the base station can request the control system to obtain packet filling task information.
  • the base station may also identify whether the terminal device accessing the base station is a target terminal device based on other information of the terminal device.
  • the Obtaining and storing the air interface bearer information of the terminal equipment connected to the base station can also be achieved in the following manner: in response to receiving the uplink message sent by the terminal equipment connected to the base station, parsing the uplink message In order to obtain the characteristics of the uplink packet, if the characteristics of the uplink packet meet the pre-configured target terminal information, identify and save the IP address and air interface bearer information of the terminal device.
  • the target terminal information may include the protocol type of the uplink message, the IP address of the opposite end, the data packet length of the uplink message, the data packet content of the uplink message, and the like.
  • the base station After obtaining and saving the air interface bearer information of the terminal equipment, the base station can request the control system to obtain packet filling task information.
  • the type of the initial protocol layer of the packet filling is RLC (Radio Link Control, radio link control layer protocol).
  • the corresponding protocol layer entity initiates packet filling to the terminal, that is, the RLC entity inside the base station initiates packet filling to the terminal.
  • the RLC entity can directly send the packet filling message to the terminal device.
  • sending the packet filling message to the terminal address may include the following Step: Send the packet filling message to the terminal address.
  • the packet filling is usually initiated in the core network, that is, from the AMF (Access and Mobility Management Function, access and mobility management function) entity or UPF (User Plane Function, user plane function ) entity and other core network elements initiate packet filling, via AMF or UPF GTPU (General Packet Radio Service Tunneling Protocol User Plane, General Packet Radio Service Tunneling Protocol User Plane), UDP (User Datagram Protocol, User Datagram Protocol)/ TCP (Transmission Control Protocol, Transmission Control Protocol), and IP and other planes are used to encapsulate the packet-filling message, and the packet-filling message is sent to the base station, and the packet-filling message is packaged on the IP, UDP/TCP, GTPU and other planes inside the base station After processing, the packet filling message is sent to the terminal device through the PDCP entity, RLC layer entity, MAC (Media Access Control, media access control) layer entity, and PHY (Physical Layer, physical layer) entity inside the base
  • line 1 represents the packet filling process when the initial protocol layer type of packet filling is PDCP
  • line 2 represents the packet filling process when the initial protocol layer type of packet filling is RLC.
  • the base station can open the APP client of the open source component Iperf, establish a connection with the Iperf APP server of the terminal device through the Iperf APP client, and then encapsulate the created packet filling message through UDP/TCP, IP and other planes.
  • the packet filling message is sent to the terminal device through the PDCP entity, RLC layer entity, MAC layer entity, and PHY entity inside the base station, and the PHY entity, MAC layer entity, and RLC layer entity of the terminal device
  • the entity and the PDCP entity receive the packet filling message;
  • the packet filling message is sent to the terminal device through the RLC layer entity, MAC layer entity, and PHY entity inside the base station, and the terminal device
  • the PHY entity, the MAC layer entity, and the RLC layer entity receive the packet filling message.
  • the embodiment of the disclosure directly initiates packet filling from the APP client of the base station, which can quickly and accurately locate the transmission problem inside the base station, reduces the complexity of base station transmission fault detection, shortens the detection time, and improves the detection efficiency.
  • a commonly used base station transmission detection method is to check the transmission link problem of the base station through ping.
  • Ping is a command used to check whether the network is smooth or the network connection speed.
  • Ping sends an ICMP (Internet Control Message text protocol) echo request message to the destination, and report whether to receive the desired ICMP echo (ICMP echo response).
  • ICMP Internet Control Message text protocol
  • this method will be considered as a ping attack packet, which is limited by the packet length and number of discarded packets. It can only detect transmission link problems when the base station is no-loaded or low-loaded. The effect of base station transmission problems caused by high load is not obvious.
  • ICMP is used to transmit control messages.
  • Control messages refer to the network itself, such as whether the network is smooth, whether the host is reachable, and whether the route is available. These control messages do not transmit user data, and cannot detect the transmission of the base station when transmitting user data. question.
  • Existing terminal devices mostly use APP, and APP usually uses TCP protocol to transmit user data. Once the APP freezes and goes offline, it becomes unreliable to detect the transmission problem of the base station through ping.
  • the embodiment of the present disclosure independently detects the transmission problem of the base station by performing TCP/UDP packet filling.
  • the packet filling task information further includes a packet filling message protocol type, and the packet filling message protocol type includes TCP or UDP.
  • the control system can also configure the packet-filling message protocol type in the packet-filling task information, and the packet-filling message protocol type is TCP or UDP.
  • the protocol type of the packet filling message is TCP, it is used to instruct the base station to establish a TCP connection with the terminal device and send a TCP downlink packet filling message to the terminal device, or when the protocol type of the packet filling message is UDP, use To instruct the base station to establish a UDP connection with the terminal device and send a UDP downlink packet filling message to the terminal device.
  • the packet filling protocol type is TCP
  • the transmission parameter is a packet loss rate
  • the base station can create a TCP packet filling message, and establish a TCP connection with the terminal device to send the TCP packet filling message to the terminal device.
  • the base station can Open the client of the open source component Iperf, and establish a TCP connection with the Iperf server of the terminal device through the client of Iperf.
  • the terminal device can start the Iperf server, execute the TCP packet receiving command, wait for the establishment of a TCP connection with the Iperf client of the base station and receive the TCP packet filling message sent by the base station.
  • each protocol layer entity inside the base station can directly count the TCP packet loss rate, and the base station can determine the base station transmission self-inspection result according to the TCP packet loss rate and the preset threshold.
  • the preset threshold may include a first preset threshold, and when the TCP packet loss rate counted by any protocol layer entity of the base station is greater than the first preset threshold, it can be determined that the base station transmission self-inspection result is faulty.
  • the packet filling task information can also carry other necessary packet filling message configuration parameters such as the packet filling duration, the size of the TCP window, the number of threads, and the packet filling port.
  • each protocol layer entity inside the base station can also directly count the actual transmission parameters.
  • the base station can also calculate the target transmission parameters according to the configuration parameters such as the TCP window size, and then calculate the actual transmission parameters and the target transmission parameters. parameter ratio.
  • the actual transmission parameter is the actual flow transmitted by each protocol layer entity
  • the target transmission parameter is the packetized flow configured by the control system
  • the ratio of the actual transmission parameter to the target transmission parameter is the flow parameter.
  • the preset threshold may also include a second preset threshold.
  • the base station may compare the traffic parameter with the second preset threshold. When the traffic parameter calculated according to the actual transmission parameter and the target transmission parameter of any protocol layer entity is less than the first When two preset thresholds are used, it can be determined that there is a fault in the transmission self-test result of the base station.
  • the first preset threshold and the second preset threshold may be set according to actual conditions, for example, the second preset threshold may be set to 94%, 95%, 96%, etc., which is not specifically limited in this embodiment of the present disclosure.
  • the protocol type of the packet filling message is UDP
  • the packet filling task information also includes the packet filling bandwidth and the number of threads
  • the transmission parameter is a traffic parameter
  • the transmission of the sending packet filling message is determined.
  • Parameters may include the following steps: determining target transmission parameters according to packet bandwidth and thread number, counting actual transmission parameters, and determining flow parameters according to target transmission parameters and actual transmission parameters.
  • the base station can create a UDP packet filling message according to the UDP message format shown in Figure 6.
  • the UDP message includes two Part, one of which is the UDP packet header, including 16-bit source port field, 16-bit destination port field, 16-bit UDP datagram length field and 16-bit check value field; and, the second is UDP data section, including UDP data of optional length.
  • the base station can open the client of the open source component Iperf, and initiate UDP packet filling to the terminal device through the client of Iperf.
  • each protocol layer entity inside the base station can also directly count the actual transmission parameters, and the base station can also calculate the target transmission parameters according to the packet filling bandwidth and the number of threads in the packet filling task information, and then calculate The ratio of the actual transfer parameter to the target transfer parameter.
  • the actual transmission parameter is the actual traffic transmitted by each protocol layer entity
  • the target transmission parameter is the packetized traffic configured by the control system
  • the ratio of the actual transmission parameter to the target transmission parameter is the traffic parameter.
  • the preset threshold may also include a third preset threshold. The base station may compare the traffic parameter with the third preset threshold.
  • the third preset threshold can be set according to actual conditions, for example, it can be set to 94%, 95%, 96%, etc., which is not specifically limited in this embodiment of the present disclosure.
  • the packet filling task information may also carry other necessary configuration parameters of the packet filling message such as the packet filling duration, the packet filling port, and the packet length.
  • the base station transmission self-inspection method may further include the following steps: after the base station transmission self-inspection result is determined according to the transmission parameters and the preset threshold (ie step S14), when the base station transmission self-inspection result is existence In the event of a failure, obtain link state information and collect the operation logs of each protocol layer entity in the base station within a preset period of time, and send the operation logs and link state information to the control system.
  • the link state information is configured to identify the state of the internal transmission link of the base station, including “poor”, “general”, “good”, and “excellent”, etc., and the corresponding link state information can be determined according to the transmission parameters, for example, when TCP When the packet loss rate is 10%, the link state information may indicate that the state of the internal transmission link of the base station is "normal". The link state information may be determined while determining the base station transmission self-test result according to the transmission parameter and the preset threshold.
  • the base station can obtain the determined link state information, and collect the operation logs of the internal protocol layer entities within the preset time length, and feed back the operation logs and link state information to the The control system is used for the control system to analyze and diagnose the transmission performance of each protocol layer entity. It should be noted that, when it is determined that there is no fault in the transmission self-test result of the base station, the base station may also feed back link state information to the control system for the control system to analyze and diagnose the transmission performance of each protocol layer entity.
  • the packet filling task information may also carry the packet filling direction, which is used to indicate whether the base station fills the terminal with the packet for the base station transmission self-inspection, or the terminal fills the packet with the base station for the base station transmission self-inspection; and, the terminal The equipment can also obtain bag filling task information from the control system.
  • the packet filling direction is uplink
  • the base station receives the packet filling message created and sent by the terminal through the open source component Iperf, determines the transmission parameters of the received packet filling message, and determines the base station transmission self-test result according to the transmission parameters and the preset threshold.
  • an embodiment of the present disclosure also provides a base station for performing the base station transmission self-inspection method provided in the above embodiment.
  • the base station may include an acquisition module 101, a creation module 102, The transmission module 103 and the self-test module 104.
  • the acquiring module 101 is configured to acquire packet filling task information from the control system, and the packet filling task information at least includes a packet filling start protocol layer type and a terminal address.
  • the creation module 102 is configured to create a packet filling message.
  • the transmission module 103 is configured to send the packet filling message to the terminal address according to the protocol layer type of the packet filling start.
  • the self-inspection module 104 is configured to determine the transmission parameters for sending the packet-filling message after the transmission module 103 sends the packet-filling message to the terminal address, and determine the base station transmission self-test according to the transmission parameter and the preset threshold result.
  • the protocol layer type of the initial packet filling is Packet Data Convergence Protocol PDCP, as shown in FIG.
  • the air interface bearer information of the terminal equipment, the air interface bearer information includes the terminal address of the terminal equipment connected to the base station.
  • the transmission module 103 is configured to send the packet filling message to the terminal address when the corresponding air interface bearer information is inquired from the base station according to the terminal address.
  • the base station may also include a detection module 105.
  • the detection module 105 may be configured to obtain and save the air interface bearer information of the terminal equipment connected to the base station, and may also be configured to respond to the query air interface bearer information sent by the PDCP layer entity of the transmission module 103.
  • An information query request returns an air interface bearer information query result to the PDCP layer entity.
  • the transmission module 103 of the base station may include a PDCP entity, an RLC layer entity, a MAC layer entity, and a PHY entity.
  • the creation module 102 may send the packetization packet to the PDCP layer entity of the transmission module 103 .
  • the next protocol layer of the PDCP layer is the RLC layer.
  • the PDCP entity needs to forward the packet filling message to the RLC layer entity, and the RLC layer entity then transmits the packet filling message through the MAC layer entity, PHY entity, and air interface. sent to the terminal device.
  • the PDCP entity Before forwarding the packet filling message to the RLC entity, the PDCP entity needs to first determine whether the base station has air interface bearer information of the terminal device.
  • the PDCP entity can parse the packet filling message to obtain the terminal address carried in the packet filling message. Send a query request for querying the air interface bearer information to the detection module 105 according to the terminal address, and the detection module 105 may respond to the query request, query the locally stored air interface bearer information according to the terminal address, and return the query result to the PDCP entity.
  • the PDCP entity can forward the packet filling message to the RLC layer entity, and the RLC layer entity then sends the packet filling message to the terminal address through the MAC layer entity, PHY entity, and air interface. corresponding terminal equipment.
  • the detection module 105 is configured to:
  • the air interface bearer information carried in the service message is stored locally and the quantity of the air interface bearer information carried in the service message locally stored is less than the preset number, or the service message carried in the service message is not locally stored In the case of air interface bearer information, save the air interface bearer information carried in the service message.
  • the transmission module 103 is configured to send the packet filling message to the terminal address if the initial protocol layer type of the packet filling is RLC.
  • the transmission module 103 of the base station may include an RLC layer entity, a MAC layer entity, and a PHY entity.
  • the creation module 102 may send the packetized packet to the RLC layer entity of the transmission module 103 .
  • the RLC layer entity can directly send the packet filling message to the terminal device corresponding to the terminal address through the MAC layer entity, the PHY entity, and the air interface.
  • the packet filling task information further includes a packet filling message protocol type, and the packet filling message protocol type includes Transmission Control Protocol TCP or User Datagram Protocol UDP.
  • the packet filling protocol type is TCP
  • the transmission parameter is a packet loss rate
  • the packet filling message protocol type is UDP
  • the packet filling task information also includes the packet filling bandwidth and the number of threads
  • the transmission parameters are traffic parameters
  • the self-check module 104 is configured to and the number of threads to determine the target transmission parameters, count the actual transmission parameters, and determine the flow parameters according to the target transmission parameters and the actual transmission parameters.
  • the self-inspection module 104 is also configured to obtain link state information and collect operation logs of each protocol layer entity in the base station within a preset time period when the base station transmission self-inspection result is faulty.
  • the transmission module 103 is also configured to send the operation log and link state information to the control system.
  • the base station transmission self-inspection method provided by the present disclosure is briefly described below in combination with five specific examples.
  • the terminal device After accessing the base station, the terminal device sends uplink service messages to the base station, the service messages may include service messages such as browsing web pages, logging in to APP, and pinging public network IP, so that the detection module 105 can obtain and store air interface bearer information.
  • the Iperf APP server that is, the message receiving software, execute the TCP packet receiving command, wait for the establishment of a TCP connection with the Iperf client of the base station and receive the TCP packet filling message sent by the base station.
  • the detection module 105 acquires and saves the air interface bearer information of the terminal equipment, and the air interface bearer information includes the IP address (including IPV4 and IPV6 addresses) of the terminal equipment.
  • the air interface bearer information carried in the service message is stored locally less than the preset number, or in the case that the air interface bearer information carried in the service message is not stored locally, save the air interface bearer information carried in the service message Bearer information.
  • the control system creates a package filling task, determines the package filling task information, and sends the package filling task information to the creation module 102 through the acquisition module 101 .
  • the receiving control system determines that the initial protocol layer type of the packet filling carried in the packet filling task information is PDCP, and the packet filling direction is downlink by obtaining the packet filling task information issued by the module 101, and determines that in the packet filling task information
  • the packet filling protocol type carried is TCP.
  • a TCP packet filling message is created, and the created TCP packet filling message carries the terminal address, and The TCP packet filling message is sent to the PDCP entity of the transmission module 103 .
  • the creation module 102 broadcasts the packet filling task information to the self-inspection module 104, so that the self-inspection module 104 determines the transmission parameters for sending the packet filling message.
  • the PDCP entity of the transmission module 103 after receiving the TCP packet filling message sent by the creation module 102, parses the TCP packet filling message to obtain the terminal address, and queries the detection module 105 for the air interface bearer information of the terminal device according to the terminal address.
  • the air interface bearing information corresponding to the terminal address forwards the TCP packet filling message to the lower-level RLC layer entity, and the RLC layer entity and the protocol layer entity below the RLC layer entity send the TCP packet filling message to the terminal device along the air interface.
  • the self-inspection module 104 receives the TCP packet loss rate or the actual transmission flow sent by each protocol layer entity of the transmission module 103, calculates the target transmission flow according to the configuration parameters such as the TCP window size in the packet filling task information, and calculates the transmission rate belonging to the terminal.
  • the ratio of the actual transmission flow to the target transmission flow when any protocol layer entity of the base station transmission module 103 counts that the TCP packet loss rate belonging to the terminal is greater than the first preset threshold, or when any protocol layer entity belongs to
  • the ratio of the actual transmission traffic of the terminal to the target transmission traffic is less than the second preset threshold, it can be determined that the base station transmission self-test result is faulty, and the link state information is determined according to the ratio.
  • the self-inspection module 104 starts to collect the operation logs of each protocol layer entity in the base station. The information is fed back to the control system.
  • the terminal device After accessing the base station, the terminal device sends uplink service messages to the base station, the service messages may include service messages such as browsing web pages, logging in to APP, and pinging public network IP, so that the detection module 105 can obtain and store air interface bearer information.
  • the service messages may include service messages such as browsing web pages, logging in to APP, and pinging public network IP, so that the detection module 105 can obtain and store air interface bearer information.
  • the detection module 105 acquires and saves the air interface bearer information of the terminal equipment, and the air interface bearer information includes the IP address (including IPV4 and IPV6 addresses) of the terminal equipment. If the air interface bearer information carried in the service message is locally stored and the air interface bearer information is invalid, or if the air interface bearer information carried in the service message is not locally stored, save the air interface bearer information carried in the service message
  • the air interface carries information.
  • the control system creates a bag-filling task, determines the bag-filling task information, and sends the bag-filling task information to the creation module 102 by the acquisition module 101.
  • the receiving control system determines that the initial protocol layer type of the packet filling carried in the packet filling task information is PDCP, and the packet filling direction is downlink by obtaining the packet filling task information issued by the module 101, and determines that in the packet filling task information
  • the packet filling protocol type carried is UDP.
  • the UDP packet filling message can be created by starting the client of the open source component Iperf, and the UDP packet filling message can be sent to the PDCP entity of the transmission module 103 .
  • the creation module 102 broadcasts the packet filling task information to the self-inspection module 104, so that the self-inspection module 104 can determine the transmission parameters for sending the packet filling message.
  • the PDCP entity of the transmission module 103 after receiving the UDP packet filling message sent by the creation module 102, parses the UDP packet filling message to obtain the terminal address, and queries the detection module 105 for the air interface bearer information of the terminal device according to the terminal address.
  • the air interface bearing information corresponding to the terminal address forwards the UDP packet filling message to the lower-level RLC layer entity, and the RLC layer entity and the protocol layer entity below the RLC layer entity send the UDP packet filling message to the terminal device along the air interface.
  • the self-inspection module 104 receives the actual transmission traffic sent by each protocol layer entity of the transmission module 103, calculates the target transmission traffic according to the packet filling bandwidth and the number of threads in the packet filling task information, and calculates the actual transmission traffic and the target attributable to the terminal
  • the ratio of the transmission flow when the ratio of the actual transmission flow of any protocol layer entity belonging to the terminal to the target transmission flow is less than the third preset threshold, it can be determined that the base station transmission self-test result is faulty, and the link is determined according to the ratio. Road status information.
  • the self-inspection module 104 starts to collect the operation logs of each protocol layer entity in the base station. The information is fed back to the control system.
  • the detection module 105 acquires and saves the air interface bearer information of the terminal equipment, and the air interface bearer information includes the IP address (including IPV4 and IPV6 addresses) of the terminal equipment.
  • the detection module 105 directly acquires and saves the air interface bearer information of the terminal device when it recognizes that the terminal device currently accessing the base station is the target terminal device based on the TraceID.
  • the detection module 105 can notify the creation module 102 to request the control system to obtain packet filling task information through the obtaining module 101 .
  • the control system creates a package filling task, determines package filling task information, and sends the package filling task information to the creating module 102 through the acquiring module 101 in response to the package filling task request of the acquiring module 101 .
  • the packet start protocol layer type is PDCP
  • the packet filling direction is downlink
  • the protocol type of the packet filling message carried in the packet filling task information is determined to be UDP.
  • Configure the link between the creation module 102 and the PDCP entity of the transmission module 103 according to configuration parameters such as the terminal address carried in the packet filling task information, the packet filling port, the number of threads, the packet filling duration, the message length and the packet filling bandwidth, and
  • configuration parameters such as the terminal address carried in the packet filling task information, the packet filling port, the number of threads, the packet filling duration, the message length and the packet filling bandwidth, and
  • create a UDP packet filling message can be created by starting the client of the open source component Iperf, and the UDP packet filling message can be sent to the PDCP entity of the transmission module 103 .
  • the creation module 102 broadcasts the packet filling task information to the self-inspection module 104, so that the self-inspection module 104 can determine the transmission parameters for sending the packet filling message.
  • the PDCP entity of the transmission module 103 after receiving the UDP packet filling message sent by the creation module 102, parses the UDP packet filling message to obtain the terminal address, and queries the detection module 105 for the air interface bearer information of the terminal device according to the terminal address.
  • the air interface bearing information corresponding to the terminal address forwards the UDP packet filling message to the lower-level RLC layer entity, and the RLC layer entity and the protocol layer entity below the RLC layer entity send the UDP packet filling message to the terminal device along the air interface.
  • the self-inspection module 104 receives the actual transmission traffic sent by each protocol layer entity of the transmission module 103, calculates the target transmission traffic according to the packet filling bandwidth and the number of threads in the packet filling task information, and calculates the actual transmission traffic and the target attributable to the terminal
  • the ratio of the transmission flow when the ratio of the actual transmission flow of any protocol layer entity belonging to the terminal to the target transmission flow is less than the third preset threshold, it can be determined that the base station transmission self-test result is faulty, and the link is determined according to the ratio. Road status information.
  • the self-inspection module 104 starts to collect the operation logs of each protocol layer entity in the base station. The information is fed back to the control system.
  • the detection module 105 acquires and saves the air interface bearer information of the terminal equipment, and the air interface bearer information includes the IP address (including IPV4 and IPV6 addresses) of the terminal equipment.
  • the air interface bearer information includes the IP address (including IPV4 and IPV6 addresses) of the terminal equipment.
  • Responding to receiving an uplink message sent by a terminal device connected to the base station parsing the uplink message to obtain the characteristics of the uplink message, when the characteristics of the uplink message meet the target terminal information pre-configured by the control system Next, identify and save the IP address and air interface bearer information of the terminal device.
  • the target terminal information may include the protocol type of the uplink message, the IP address of the opposite end, the data packet length of the uplink message, the data packet content of the uplink message, and the like.
  • the detection module 105 can notify the creation module 102 to request the control system to obtain packet filling task information through the obtaining module 101 .
  • the control system creates a package filling task, determines package filling task information, and sends the package filling task information to the creating module 102 through the acquiring module 101 in response to the package filling task request of the acquiring module 101 .
  • the packet start protocol layer type is PDCP
  • the packet filling direction is downlink
  • the protocol type of the packet filling message carried in the packet filling task information is determined to be UDP.
  • a UDP packet filling message is created, and the created UDP packet filling message carries the terminal address.
  • the UDP packet filling message can be created by starting the client of the open source component Iperf, and the UDP packet filling message can be sent to the PDCP entity of the transmission module 103 .
  • the creation module 102 broadcasts the packet filling task information to the self-inspection module 104, so that the self-inspection module 104 can determine the transmission parameters for sending the packet filling message.
  • the base station in addition to creating a UDP packet filling message to the terminal device through the Iperf-enabled client, the base station can also perform UDP grouping according to the packet filling task information and send the UDP packet to the terminal device.
  • the packet filling message is sent to the terminal device without using the Iperf client.
  • the PDCP entity of the transmission module 103 after receiving the UDP packet filling message sent by the creation module 102, parses the UDP packet filling message to obtain the terminal address, and queries the detection module 105 for the air interface bearer information of the terminal device according to the terminal address.
  • the air interface bearing information corresponding to the terminal address forwards the UDP packet filling message to the lower-level RLC layer entity, and the RLC layer entity and the protocol layer entity below the RLC layer entity send the UDP packet filling message to the terminal device along the air interface.
  • the self-inspection module 104 receives the actual transmission traffic sent by each protocol layer entity of the transmission module 103, calculates the target transmission traffic according to the packet filling bandwidth and the number of threads in the packet filling task information, and calculates the actual transmission traffic and the target attributable to the terminal
  • the ratio of the transmission flow when the ratio of the actual transmission flow of any protocol layer entity belonging to the terminal to the target transmission flow is less than the third preset threshold, it can be determined that the base station transmission self-test result is faulty, and the link is determined according to the ratio. Road status information.
  • the self-inspection module 104 starts to collect the operation logs of each protocol layer entity in the base station. The information is fed back to the control system.
  • the control system creates a package filling task, determines the package filling task information, and sends the package filling task information to the creation module 102 through the acquisition module 101 .
  • the receiving control system determines that the initial protocol layer type of the packet filling carried in the packet filling task information is RLC and the packet filling direction is downlink by obtaining the packet filling task information issued by the module 101, and determines that in the packet filling task information
  • the packet filling protocol type carried is UDP.
  • the UDP packet filling message can be created by starting the client of the open source component Iperf, and the UDP packet filling message can be sent to the RLC layer entity of the transmission module 103 .
  • the creation module 102 broadcasts the packet filling task information to the self-inspection module 104, so that the self-inspection module 104 can determine the transmission parameters for sending the packet filling message.
  • the RLC layer entity of the transmission module 103 after receiving the UDP packet filling message sent by the creation module 102, sends the UDP packet filling message to the terminal device through the protocol layer entity below the RLC layer along the air interface.
  • the self-inspection module 104 receives the actual transmission traffic sent by each protocol layer entity of the transmission module 103, calculates the target transmission traffic according to the packet filling bandwidth and the number of threads in the packet filling task information, and calculates the actual transmission traffic and the target attributable to the terminal
  • the ratio of the transmission flow when the ratio of the actual transmission flow of any protocol layer entity belonging to the terminal to the target transmission flow is less than the third preset threshold, it can be determined that the base station transmission self-test result is faulty, and the link is determined according to the ratio. Road status information.
  • the self-inspection module 104 starts to collect the operation logs of each protocol layer entity in the base station. The information is fed back to the control system.
  • the principle of the base station transmission self-inspection method provided by the embodiment of the present disclosure is also applicable to the situation of uplink packet filling (that is, the terminal device initiates packet filling to the base station).
  • the following uses a specific example to describe the situation of uplink packet filling Give a brief description.
  • the control system creates a package filling task, determines the package filling task information, and sends the package filling task information to the creation module 102 through the acquisition module 101 .
  • Creation module 102 receives and controls the system by acquiring the packet filling task information issued by module 101, determines that the packet filling initial protocol layer type carried in the packet filling task information is the PDCP layer, and the packet filling direction is uplink, and determines that in the packet filling task information
  • the packet filling protocol type carried is TCP.
  • the creation module 102 broadcasts the packet filling task information to the self-inspection module 104, so that the self-inspection module 104 can determine the transmission parameters.
  • the terminal device determines the package filling task information, and sends the package filling task information to the control system, or directly obtains the package filling task information from the control system; the package filling task information includes at least the package filling port and the package filling message protocol type,
  • the terminal device establishes a TCP connection with the Iperf server of the base station through the open source component Iperf client, and initiates packet filling from the PDCP entity of the terminal device to the base station. Specifically, the PDCP entity forwards the packet filling message to the RLC entity, and the RLC entity passes The MAC entity, the PHY entity and the air interface send the packet filling message to the base station.
  • the self-inspection module 104 receives the TCP packet loss rate or the actual transmission flow belonging to the terminal sent by each protocol layer entity of the transmission module 103, calculates the target transmission flow according to the configuration parameters such as the TCP window size in the packet filling task information, and calculates The ratio of the actual transmission flow to the target transmission flow, when the TCP packet loss rate attributable to the terminal as counted by any protocol layer entity of the base station transmission module 103 is greater than the first preset threshold, or when the attribution of any protocol layer entity When the ratio of the actual transmission traffic of the terminal to the target transmission traffic is less than the second preset threshold, it can be determined that the base station transmission self-test result is faulty, and the link state information is determined according to the ratio. At this point, the self-inspection module 104 starts to collect the operation logs of each protocol layer entity in the base station. The information is fed back to the control system.
  • an embodiment of the present disclosure also provides an electronic device, which may include: one or more processors; and a storage device, on which one or more computer programs are stored; when the one or more computer programs are executed When the one or more processors are executed, the one or more processors implement the base station transmission self-inspection method provided in the foregoing embodiments.
  • an embodiment of the present disclosure also provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the base station transmission self-inspection method provided in the foregoing embodiments is implemented.
  • the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be composed of several physical components. Components cooperate to execute.
  • Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application-specific integrated circuit circuit.
  • Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media).
  • computer storage media includes both volatile and nonvolatile media implemented in any method or technology for storage of information, such as computer readable instructions, data structures, program modules, or other data. permanent, removable and non-removable media.
  • Computer storage media include, but are not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disk (DVD) or other optical disk storage, magnetic cartridges, tape, magnetic disk storage or other magnetic storage devices, or can Any other medium used to store desired information and which can be accessed by a computer.
  • communication media typically embodies computer readable instructions, data structures, program modules, or other data in a modulated data signal such as a carrier wave or other transport mechanism, and may include any information delivery media .

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

Abstract

La présente divulgation concerne un procédé d'auto-vérification de transmission de station de base consistant à : acquérir des informations de tâche de remplissage de paquet à partir d'un système de commande, les informations de tâche de remplissage de paquet comprenant au moins un type de couche de protocole de début de remplissage de paquet et une adresse de terminal ; créer un paquet de remplissage de paquet ; envoyer le paquet de remplissage de paquet à l'adresse du terminal en fonction du type de couche de protocole de début de remplissage de paquet ; et après l'envoi du paquet de remplissage de paquet à l'adresse du terminal, déterminer un paramètre de transmission permettant d'envoyer le paquet de remplissage du paquet, puis déterminer un résultat d'auto-vérification de transmission de station de base en fonction du paramètre de transmission et d'un seuil prédéfini. La présente divulgation concerne également une station de base, un dispositif électronique et un support de stockage lisible par ordinateur.
PCT/CN2022/091437 2021-06-29 2022-05-07 Procédé d'auto-vérification de transmission de station de base, dispositif électronique et support de stockage lisible par ordinateur WO2023273608A1 (fr)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102917389A (zh) * 2012-10-22 2013-02-06 大唐移动通信设备有限公司 一种lte系统中基站传输自检的方法及装置
CN107172648A (zh) * 2017-07-13 2017-09-15 京信通信系统（中国）有限公司 一种网络测试方法及设备
US20190230012A1 (en) * 2018-01-19 2019-07-25 Verizon Patent And Licensing Inc. Protocol independent speed testing service
CN110876160A (zh) * 2018-09-04 2020-03-10 中国移动通信集团山东有限公司 基于多模基站下的资源传输控制方法及装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102917389A (zh) * 2012-10-22 2013-02-06 大唐移动通信设备有限公司 一种lte系统中基站传输自检的方法及装置
CN107172648A (zh) * 2017-07-13 2017-09-15 京信通信系统（中国）有限公司 一种网络测试方法及设备
US20190230012A1 (en) * 2018-01-19 2019-07-25 Verizon Patent And Licensing Inc. Protocol independent speed testing service
CN110876160A (zh) * 2018-09-04 2020-03-10 中国移动通信集团山东有限公司 基于多模基站下的资源传输控制方法及装置

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