WO2019127334A1 - Procédé et dispositif d'établissement de support radio de données par défaut - Google Patents

Procédé et dispositif d'établissement de support radio de données par défaut Download PDF

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Publication number
WO2019127334A1
WO2019127334A1 PCT/CN2017/119755 CN2017119755W WO2019127334A1 WO 2019127334 A1 WO2019127334 A1 WO 2019127334A1 CN 2017119755 W CN2017119755 W CN 2017119755W WO 2019127334 A1 WO2019127334 A1 WO 2019127334A1
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Prior art keywords
type
drb
service
preset
target
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PCT/CN2017/119755
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English (en)
Chinese (zh)
Inventor
武亚娟
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北京小米移动软件有限公司
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Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to CN201780002244.5A priority Critical patent/CN108513727B/zh
Priority to PCT/CN2017/119755 priority patent/WO2019127334A1/fr
Publication of WO2019127334A1 publication Critical patent/WO2019127334A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/02—Access restriction performed under specific conditions
    • H04W48/06—Access restriction performed under specific conditions based on traffic conditions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup

Definitions

  • the present disclosure relates to the field of wireless communications, and more particularly to a method and apparatus for establishing a default data radio bearer.
  • the core network may establish one or more PDU (Protocol Data Unit) sessions for each terminal.
  • the base station may establish one or more DRBs for the terminal.
  • Radio Bearer data radio bearer, used to transmit data packets of the terminal. If there is a downlink data packet sent to the terminal, the base station may establish a DRB and transmit the received downlink data packet when receiving the data packet to be sent to the terminal; if there is an uplink data packet, the terminal data is sent from the terminal to the network through the base station.
  • the base station cannot immediately know and establish a DRB for the data packet.
  • a default DRB is established by the base station when the PDU session is established, so that the uplink data packet can be transmitted by using the default DRB.
  • DRBs There are two types of DRBs: the GBR (Guaranteed Bit Rate) type and the non-GBR (non-Guaranteed Bit Rate) type.
  • the default DRB is a non-GBR type bearer, and the non-GBR type DRB is initially used regardless of the QoS (Quality of Service) requirement of the specific transmitted data packet.
  • the QSI QoS Class Identifier
  • the non-GBR type DRB has a lower QoS level, generally a non-GBR type DRB of level 9, thereby resulting in lower quality of initial data transmission.
  • the present disclosure provides a method and apparatus for establishing a default data radio bearer, which can solve the problem of low quality of initial data transmission.
  • the technical solution is as follows:
  • a method for establishing a default data radio bearer comprising:
  • the determining, according to the preset selection policy, the target DRB type that meets the transmission quality including:
  • Target DRB type is a target guaranteed bit rate GBR type.
  • the target GBR type is a GBR type having the largest tolerable packet error/loss rate and the maximum tolerable packet delay budget among all GBR types.
  • the determining, according to the preset selection policy, the target DRB type that meets the transmission quality including:
  • the target DRB type is a target non-guaranteed bit rate non-GBR type, and the target non-GBR type satisfies a preset quality of service QoS condition.
  • the preset quality of service QoS condition includes that the QoS level corresponding to the target non-GBR type is greater than a first preset level threshold.
  • the network access request carries a target service type.
  • Determining, according to the preset selection policy, a target DRB type that satisfies the transmission quality including:
  • the correspondence between the service type and the DRB type includes:
  • the first DRB type corresponding to the first service type is a GBR type, where the first service type is a service type in which the amount of service data in the preset historical duration is greater than a preset threshold;
  • the second DRB type corresponding to the second service type is a non-GBR type, and the second service type is a service type in which the amount of service data in the preset historical duration is not greater than a preset threshold.
  • the determining, according to the correspondence between the preset service type and the DRB type, the target DRB type corresponding to the target service type including:
  • the target DRB type corresponding to the current network resource occupancy status is determined according to the preset service type, the corresponding relationship between the network resource usage and the DRB type.
  • the correspondence between the service type, network resource occupation, and DRB type includes:
  • the third service type of the first service type is the GBR type whose QoS level is greater than the second preset level threshold, where the first service type is the amount of service data in the preset historical duration. a service type that is greater than a preset threshold;
  • the fourth DRB type corresponding to the first service type and the network resource occupation is a GBR type whose QoS level is not greater than a second preset level threshold;
  • the second service type is the non-GBR type in which the QoS level is greater than the third preset level threshold, and the second service type is the service in the preset historical duration.
  • the type of service whose data volume is not greater than the preset threshold;
  • the sixth DRB type corresponding to the second service type and the network resource occupation is a non-GBR type whose QoS level is not greater than a third preset level threshold.
  • an apparatus for establishing a default data radio bearer comprising:
  • a receiving module configured to receive a network access request sent by the terminal
  • a determining module configured to determine, according to a preset selection policy, a target data radio bearer DRB type that satisfies the transmission quality
  • a module is created for establishing a default DRB of the target DRB type.
  • the determining module is configured to:
  • Target DRB type is a target guaranteed bit rate GBR type.
  • the target GBR type is a GBR type having the largest tolerable packet error/loss rate and the maximum tolerable packet delay budget among all GBR types.
  • the determining module is configured to:
  • the target DRB type is a target non-guaranteed bit rate non-GBR type, and the target non-GBR type satisfies a preset quality of service QoS condition.
  • the preset quality of service QoS condition includes that the QoS level corresponding to the target non-GBR type is greater than a first preset level threshold.
  • the network access request carries a target service type.
  • the determining module is used to:
  • the correspondence between the service type and the DRB type includes:
  • the first DRB type corresponding to the first service type is a GBR type, where the first service type is a service type in which the amount of service data in the preset historical duration is greater than a preset threshold;
  • the second DRB type corresponding to the second service type is a non-GBR type, and the second service type is a service type in which the amount of service data in the preset historical duration is not greater than a preset threshold.
  • the determining module is configured to:
  • the target DRB type corresponding to the current network resource occupancy status is determined according to the preset service type, the corresponding relationship between the network resource usage and the DRB type.
  • the correspondence between the service type, network resource occupation, and DRB type includes:
  • the third service type of the first service type is the GBR type whose QoS level is greater than the second preset level threshold, where the first service type is the amount of service data in the preset historical duration. a service type that is greater than a preset threshold;
  • the fourth DRB type corresponding to the first service type and the network resource occupation is a GBR type whose QoS level is not greater than a second preset level threshold;
  • the second service type is the non-GBR type in which the QoS level is greater than the third preset level threshold, and the second service type is the service in the preset historical duration.
  • the type of service whose data volume is not greater than the preset threshold;
  • the sixth DRB type corresponding to the second service type and the network resource occupation is a non-GBR type whose QoS level is not greater than a third preset level threshold.
  • a base station including a processor and a memory, the memory storing at least one instruction loaded by the processor and executed to implement as the first A method of establishing a default data radio bearer as described in the aspect.
  • a computer readable storage medium having stored therein at least one instruction loaded by a processor and executed to implement a setup as described in the first aspect Trusted Radio bearer method.
  • the base station receives the network access request sent by the terminal, determines the target data radio bearer DRB type that meets the transmission quality according to the preset selection policy, and establishes a default DRB of the target DRB type. In this way, the default DRB can guarantee better quality of service and improve the quality of initial data transmission.
  • FIG. 1 is a flowchart of a method for establishing a default DRB according to an exemplary embodiment
  • FIG. 2 is a schematic diagram of a scenario for establishing a default DRB according to an exemplary embodiment
  • FIG. 3 is a flowchart of a method for establishing a default DRB according to an exemplary embodiment
  • FIG. 4 is a schematic diagram of a scenario for establishing a default DRB according to an exemplary embodiment
  • FIG. 5 is a flowchart of a method for establishing a default DRB according to an exemplary embodiment
  • FIG. 6 is a schematic diagram of a scenario for establishing a default DRB according to an exemplary embodiment
  • FIG. 7 is a flowchart of a method for establishing a default DRB according to an exemplary embodiment
  • FIG. 8 is a schematic diagram of a scenario for establishing a default DRB according to an exemplary embodiment
  • FIG. 9 is a schematic diagram of an apparatus for establishing a default DRB according to an exemplary embodiment
  • FIG. 10 is a schematic structural diagram of a base station according to an exemplary embodiment.
  • An exemplary embodiment of the present disclosure provides a method of establishing a default data radio bearer, which may be implemented by a base station.
  • a base station can include components such as a processor, a memory, a transceiver, and the like.
  • the processor may be a CPU (Central Processing Unit) or the like, and may be used to acquire a target DRB type that satisfies the transmission quality.
  • the memory may be a RAM (Random Access Memory), a Flash (flash memory), etc., and may be used to store received data, data required for processing, data generated during processing, etc., such as preset The correspondence between the DRB type, the service type and the DRB type, the service type, and the relationship between the network resource occupancy and the DRB type.
  • the transceiver can be used for data transmission with the terminal, for example, receiving a network access request sent by the terminal.
  • the processing flow of the method may include the following steps:
  • step 101 a network access request sent by the terminal is received.
  • the terminal when the terminal needs to access the network through the base station, or receives the paging message of the base station, the terminal may send a network access request to the base station.
  • the base station receives the network access request sent by the terminal, it can determine whether to allow the terminal to access according to the current network status. If allowed, the terminal can send a connection establishment confirmation message to the terminal, where the corresponding configuration information is carried. After receiving the connection establishment confirmation message, the terminal may perform configuration according to the configuration information. After the configuration is complete, the terminal may send a setup complete message to the base station.
  • the base station can send a secure channel setup message to the terminal, which carries the configuration message of the secure channel.
  • the terminal After receiving the secure channel setup message, the terminal can be configured according to the configuration information of the secure channel. After the configuration is complete, the terminal can send a secure channel setup complete message to the base station.
  • a target DRB type that satisfies the transmission quality is determined according to a preset selection policy.
  • the base station after receiving the secure channel setup complete message sent by the terminal, the base station needs to establish a high-quality transmission quality in order to ensure that the terminal obtains a high transmission quality in the initial stage of data transmission.
  • the type of the default DRB needs to be determined.
  • this embodiment provides three selection strategies for selecting a DRB type. According to actual needs, one of the three preset selection strategies can be selected for practical use. The following three selection strategies are described in detail:
  • the first type determines a preset target DRB type, wherein the target DRB type is a target GBR type.
  • the GBR type DRB can guarantee the corresponding bit rate.
  • the default DRB type is GBR type, which can ensure fast speed and high quality in the initial stage of data transmission. Therefore, the type of the default DRB may be preset to a GBR type, and the GBR type may be a specific GBR type, or a GBR type may be randomly selected from all the GBR types, which is not limited herein. Under such a strategy, all terminals use the default DRB of the GBR type to transmit data packets, shorten the time for establishing a connection with the base station, improve the data transmission quality, and improve the application service initially presented to the user. quality.
  • a GBR type may be added, which has the largest tolerable packet error/loss rate (Packet Error/Lost Rate) and the largest available among all GBR types.
  • Packet Error/Lost Rate packet error/loss rate
  • each QoS parameter indicator corresponding to the newly added GBR type is the lowest requirement of all GBR types.
  • the parameter indicator of the Packet Error/Lost Rate is 10 -2
  • the parameter indicator of the Packet Delay Budget is 300 ms, that is, The packet corresponding to the GBR type can tolerate a packet error/loss rate of up to 10 -2 and a tolerable packet delay budget of up to 300 ms.
  • the QCI priority (QCI priority) of the GBR type may be set to 5. In order to distinguish and compare the GBR type with other GBR types, it may be set to 6, which is not limited herein.
  • the embodiment further provides a method for filtering and filtering data packets, and the method can be applied to a device that needs to filter data packets based on QoS filtering, such as a terminal or a network server.
  • the specific processing procedure of the method is as follows: filtering data based on QoS filtering.
  • the terminal may obtain the QCI parameter carried by the data packet, and then compare the QoS parameter indicators corresponding to the QCI parameter with the QoS parameter indicators corresponding to the selected DRB, and when there is a QCI parameter corresponding to the QoS parameter indicator, the selection is met.
  • the QoS parameter indicator corresponding to the DRB determines that the packet filtering is successful.
  • the successfully filtered packets can be used as business data for subsequent operations.
  • the DRB of the GBR type is selected as the DRB for transmitting the data
  • the data packet corresponding to all the services of the GBR type that is currently defined can be used, and the DRB of the GBR type can be used as the bearer when the data packet is initially sent. Transfer.
  • the packet filtering failure is avoided, and the corresponding service cannot be established and implemented, thereby avoiding waste of network resources caused by repeated modification and establishment of the DRB due to packet filtering failure, improving the use efficiency of the network resources, and shortening the need for successfully establishing a service connection. time.
  • determining a preset target DRB type wherein the target DRB type is a target non-GBR type, and the target non-GBR type satisfies a preset quality of service QoS condition.
  • the service corresponding to the non-GBR type DRB needs to be able to withstand the requirement of the rate reduction, that is, it does not need to occupy a fixed network resource, so the data can be transmitted online for a long time.
  • the non-GBR type DRB that satisfies the preset quality of service QoS condition may be used as the default DRB.
  • the preset quality of service QoS condition may include that the QoS level corresponding to the non-GBR type is greater than the first preset level threshold.
  • the preset QoS condition may also be that each QoS parameter indicator is greater than a corresponding preset parameter threshold, which is not limited herein. In this way, the QoS of the default DRB of the non-GBR type can be improved as much as possible to ensure the quality of the data transmitted at the initial stage.
  • the third type determines the target DRB type corresponding to the target service type according to the correspondence between the preset service type and the DRB type.
  • Some service types (such as protocol file related services) do not need to guarantee the bit rate. Some service types (such as video services) need to guarantee the bit rate all the time. Therefore, a flexible selection strategy is provided to adapt.
  • the use of wireless resources in different scenarios increases the efficiency of use of wireless resources.
  • a certain entity that can configure and manage the radio resources such as an operator, a network administrator, or a service provider, can establish a correspondence between the service type and the DRB type according to the requirements of the radio resources according to various service types.
  • the network access request sent by the terminal may carry the target service type.
  • the target service type can be obtained. Then, in the correspondence between the pre-established service type and the DRB type, the target DRB type corresponding to the target service type is searched for as the default DRB type.
  • the corresponding relationship between the service type and the DRB type can be:
  • the first DRB type corresponding to the first service type is a GBR type.
  • the second DRB type corresponding to the second service type is a non-GBR type.
  • the first service type is a service type in which the amount of service data in the preset historical duration is greater than a preset threshold
  • the second service type is a service type in which the amount of service data in the preset historical duration is not greater than a preset threshold.
  • the base station can calculate the service data quantity of each service type in a preset historical duration (such as the latest one day), and determine whether the service data quantity corresponding to each service type is greater than a preset threshold. If it is greater than, the service type and DRB are established. Set the GBR type to the DRB type corresponding to the service type. If the relationship between the service type and the DRB type is established, set the non-GBR type to the DRB type corresponding to the service type. . In this way, a GBR type DRB can be used for the data packet corresponding to the service type with a large amount of service data, and a non-GBR type DRB can be used for the data packet corresponding to the service type with a small amount of service data to improve network resources. Use efficiency.
  • the correspondence between the service type and the DRB type may also be established according to specific QoS requirements of the service type.
  • the first service type may be a service with a high QoS requirement, such as a video service or a voice service, and needs to ensure a certain bit rate. Therefore, the GBR type may be set to the DRB type corresponding to the first service type; the second service type. It can be a service with a lower QoS requirement, such as a service related to a protocol file, and does not need to guarantee a high bit rate. Therefore, the non-GBR type can be set to the DRB type corresponding to the second service type.
  • the correspondence between the service type, the network resource occupation, and the DRB type may be established, and the base station may perform the correspondence between the preset service type, the network resource occupation, and the DRB type according to the preset service type.
  • the base station When the base station receives the network access request, it can detect the current network resource occupancy situation, and then, according to the target service type in the network access request and the current network resource occupancy situation. Then, in the correspondence between the pre-established service type, the network resource occupation, and the DRB type, the target DRB type corresponding to the current network resource occupancy status is searched for as the default DRB type.
  • the corresponding relationship between the service type, network resource usage, and DRB type can be:
  • the third DRB type corresponding to the first service type and the network resource occupation is the GBR type whose QoS level is greater than the second preset level threshold;
  • the fourth DRB type corresponding to the first service type and the network resource occupation is a GBR type whose QoS level is not greater than a second preset level threshold;
  • the fifth DRB type corresponding to the second service type and the network resource occupation is the non-GBR type whose QoS level is greater than the third preset level threshold;
  • the sixth DRB type corresponding to the second service type and the network resource occupation is a non-GBR type whose QoS level is not greater than a third preset level threshold.
  • the network resource usage can be either “idle” or “busy”.
  • the DRB type is set according to the QoS class in the case of the two types of network resources. Specifically, the administrator can preset the level threshold corresponding to each service type. Set the DRB type that is greater than the level threshold to the DRB type that is the idle corresponding to the network type. Set the DRB type that is not greater than the level threshold to the network resource occupancy. The DRB type corresponding to busy.
  • the correspondence between the service type and the network resource usage and the DRB type can be regarded as the refinement of the correspondence between the service type and the DRB type. In this way, when the network resource usage is idle, the DRB with better QoS can be used. When the network resource occupancy is busy, the DRB with a slightly lower QoS can be used to improve the accuracy of allocating network resources.
  • step 103 a default DRB of the target DRB type is established.
  • the configuration information of the target DRB type may be added to the reconfiguration request, and then the reconfiguration request is sent to the terminal.
  • the terminal After receiving the reconfiguration request, the terminal can be configured according to the configuration information of the target DRB type. After the configuration is complete, the terminal can send a reconfiguration complete message to the base station. So far, as shown in FIG. 2, the default DRB is established, and the terminal can perform subsequent processing based on the default DRB.
  • the base station receives the network access request sent by the terminal, determines the target data radio bearer DRB type that meets the transmission quality according to the preset selection policy, and establishes a default DRB of the target DRB type. In this way, the default DRB can guarantee better quality of service and improve the quality of initial data transmission.
  • Another exemplary embodiment of the present disclosure provides a method of establishing a default data radio bearer, which may be implemented by a base station.
  • a base station can include components such as a processor, a memory, a transceiver, and the like.
  • the processor which may be a CPU or the like, may be used to acquire a target DRB type that satisfies the transmission quality and the like.
  • the memory which can be a RAM, a flash, etc., can be used to store the received data, the data required for the processing, and the data generated during the processing, such as the preset DRB type, the correspondence between the service type and the DRB type, and the service. Type and relationship between network resource occupancy and DRB type.
  • the transceiver can be used for data transmission with the terminal, for example, receiving a network access request sent by the terminal.
  • the processing flow of the method may include the following steps:
  • step 301 a network access request sent by the terminal is received.
  • the terminal when the terminal needs to access the network through the base station, or receives the paging message of the base station, the terminal may send a network access request to the base station.
  • the base station receives the network access request sent by the terminal, it can determine whether to allow the terminal to access according to the current network status. If allowed, the terminal can send a connection establishment confirmation message to the terminal, where the corresponding configuration information is carried. After receiving the connection establishment confirmation message, the terminal may perform configuration according to the configuration information. After the configuration is complete, the terminal may send a setup complete message to the base station.
  • the base station can send a secure channel setup message to the terminal, which carries the configuration message of the secure channel.
  • the terminal After receiving the secure channel setup message, the terminal can be configured according to the configuration information of the secure channel. After the configuration is complete, the terminal can send a secure channel setup complete message to the base station.
  • a preset target DRB type is determined, wherein the target DRB type is a target GBR type.
  • the base station after receiving the secure channel setup complete message sent by the terminal, the base station needs to establish a high-quality transmission quality in order to ensure that the terminal obtains a high transmission quality in the initial stage of data transmission.
  • the type of the default DRB needs to be determined.
  • the GBR type DRB can guarantee the corresponding bit rate.
  • the default DRB type is GBR type, which can ensure fast speed and high quality in the initial stage of data transmission. Therefore, the type of the default DRB may be preset to a GBR type, and the GBR type may be a specific GBR type, or a GBR type may be randomly selected from all the GBR types, which is not limited herein. In this way, regardless of the network environment, all terminals use the default DRB of the GBR type to transmit data packets, shorten the time for establishing a connection with the base station, improve the data transmission quality, and improve the application service quality initially presented to the user.
  • a GBR type may be added, which has the largest tolerable packet error/loss rate (Packet Error/Lost Rate) and the largest available among all GBR types.
  • Packet Error/Lost Rate packet error/loss rate
  • each QoS parameter indicator corresponding to the newly added GBR type is the lowest requirement of all GBR types.
  • the parameter indicator of the Packet Error/Lost Rate is 10 -2
  • the parameter indicator of the Packet Delay Budget is 300 ms, that is, The packet corresponding to the GBR type can tolerate a packet error/loss rate of up to 10 -2 and a tolerable packet delay budget of up to 300 ms.
  • the QCI priority (QCI priority) of the GBR type may be set to 5. In order to distinguish and compare the GBR type with other GBR types, it may be set to 6, which is not limited herein.
  • the embodiment further provides a method for filtering and filtering data packets, and the method can be applied to a device that needs to filter data packets based on QoS filtering, such as a terminal or a network server.
  • the specific processing procedure of the method is as follows: filtering data based on QoS filtering.
  • the terminal may obtain the QCI parameter carried by the data packet, and then compare the QoS parameter indicators corresponding to the QCI parameter with the QoS parameter indicators corresponding to the selected DRB, and when there is a QCI parameter corresponding to the QoS parameter indicator, the selection is met.
  • the QoS parameter indicator corresponding to the DRB determines that the packet filtering is successful.
  • the successfully filtered packets can be used as business data for subsequent operations.
  • the DRB of the GBR type is selected as the DRB for transmitting the data
  • the data packet corresponding to all the services of the GBR type that is currently defined can be used, and the DRB of the GBR type can be used as the bearer when the data packet is initially sent. Transfer.
  • the packet filtering failure is avoided, and the corresponding service cannot be established and implemented, thereby avoiding waste of network resources caused by repeated modification and establishment of the DRB due to packet filtering failure, improving the use efficiency of the network resources, and shortening the need for successfully establishing a service connection. time.
  • step 303 a default DRB of the target DRB type is established.
  • the configuration information of the target DRB type may be added to the reconfiguration request, and then the reconfiguration request is sent to the terminal.
  • the terminal After receiving the reconfiguration request, the terminal can be configured according to the configuration information of the target DRB type. After the configuration is complete, the terminal can send a reconfiguration complete message to the base station. So far, as shown in FIG. 4, the default DRB is established, and the terminal can perform subsequent processing based on the default DRB.
  • the base station receives the network access request sent by the terminal, determines that the preset target DRB type is the target GBR type, and establishes a default DRB of the target DRB type.
  • the default DRB type of all terminals is GBR type, which can ensure better service quality and improve the quality of initial data transmission.
  • Yet another exemplary embodiment of the present disclosure provides a method of establishing a default data radio bearer, which may be implemented by a base station.
  • a base station can include components such as a processor, a memory, a transceiver, and the like.
  • the processor which can be a CPU or the like, can be used to acquire a target DRB type that satisfies the transmission quality and the like.
  • the memory which can be a RAM, a flash, etc., can be used to store the received data, the data required for the processing, and the data generated during the processing, such as the preset DRB type, the correspondence between the service type and the DRB type, and the service. Type and relationship between network resource occupancy and DRB type.
  • the transceiver can be used for data transmission with the terminal, for example, receiving a network access request sent by the terminal.
  • the processing flow of the method may include the following steps:
  • step 501 a network access request sent by the terminal is received.
  • the terminal when the terminal needs to access the network through the base station, or receives the paging message of the base station, the terminal may send a network access request to the base station.
  • the base station receives the network access request sent by the terminal, it can determine whether to allow the terminal to access according to the current network status. If allowed, the terminal can send a connection establishment confirmation message to the terminal, where the corresponding configuration information is carried. After receiving the connection establishment confirmation message, the terminal may perform configuration according to the configuration information. After the configuration is complete, the terminal may send a setup complete message to the base station.
  • the base station can send a secure channel setup message to the terminal, which carries the configuration message of the secure channel.
  • the terminal After receiving the secure channel setup message, the terminal can be configured according to the configuration information of the secure channel. After the configuration is complete, the terminal can send a secure channel setup complete message to the base station.
  • a preset target DRB type is determined, wherein the target DRB type is a target non-GBR type, and the target non-GBR type satisfies a preset quality of service QoS condition.
  • the base station after receiving the secure channel setup complete message sent by the terminal, the base station needs to establish a high-quality transmission quality in order to ensure that the terminal obtains a high transmission quality in the initial stage of data transmission.
  • the type of the default DRB needs to be determined.
  • the service corresponding to the DRB of the non-GBR type needs to be able to withstand the requirement of the rate reduction, that is, it does not need to occupy a fixed network resource, so the data can be transmitted online for a long time.
  • the non-GBR type DRB that satisfies the preset quality of service QoS condition may be used as the default DRB.
  • the preset quality of service QoS condition may include that the QoS level corresponding to the non-GBR type is greater than the first preset level threshold.
  • the preset QoS condition may also be that each QoS parameter indicator is greater than a corresponding preset parameter threshold, which is not limited herein. In this way, the QoS of the non-GBR type DRB can be improved as much as possible to ensure the quality of the initial transmission data.
  • step 503 a default DRB of the target DRB type is established.
  • the configuration information of the target DRB type may be added to the reconfiguration request, and then the reconfiguration request is sent to the terminal.
  • the terminal After receiving the reconfiguration request, the terminal can be configured according to the configuration information of the target DRB type. After the configuration is complete, the terminal can send a reconfiguration complete message to the base station. So far, as shown in FIG. 6, the default DRB is established, and the terminal can perform subsequent processing based on the default DRB.
  • the base station receives the network access request sent by the terminal, determines that the preset target DRB type is the target non-GBR type, and the target non-GBR type satisfies the preset quality of service QoS condition, and establishes the target DRB type.
  • Default DRB In this way, no matter what kind of network environment, the default DRB types of all terminals are non-GBR types that meet the preset quality of service QoS conditions, which can ensure better service quality and improve the quality of initial data transmission.
  • Yet another exemplary embodiment of the present disclosure provides a method of establishing a default data radio bearer, which may be implemented by a base station.
  • a base station can include components such as a processor, a memory, a transceiver, and the like.
  • the processor which may be a CPU or the like, may be used to acquire a target DRB type that satisfies the transmission quality and the like.
  • the memory which can be a RAM, a flash, etc., can be used to store the received data, the data required for the processing, and the data generated during the processing, such as the preset DRB type, the correspondence between the service type and the DRB type, and the service. Type and relationship between network resource occupancy and DRB type.
  • the transceiver can be used for data transmission with the terminal, for example, receiving a network access request sent by the terminal.
  • the processing flow of the method may include the following steps:
  • step 701 a network access request sent by the terminal is received.
  • the terminal when the terminal needs to access the network through the base station, or receives the paging message of the base station, the terminal may send a network access request to the base station.
  • the base station receives the network access request sent by the terminal, it can determine whether to allow the terminal to access according to the current network status. If allowed, the terminal can send a connection establishment confirmation message to the terminal, where the corresponding configuration information is carried. After receiving the connection establishment confirmation message, the terminal may perform configuration according to the configuration information. After the configuration is complete, the terminal may send a setup complete message to the base station.
  • the base station can send a secure channel setup message to the terminal, which carries the configuration message of the secure channel.
  • the terminal After receiving the secure channel setup message, the terminal can be configured according to the configuration information of the secure channel. After the configuration is complete, the terminal can send a secure channel setup complete message to the base station.
  • step 702 the target DRB type corresponding to the target service type is determined according to the correspondence between the preset service type and the DRB type.
  • the base station after receiving the secure channel setup complete message sent by the terminal, the base station needs to establish a high-quality transmission quality in order to ensure that the terminal obtains a high transmission quality in the initial stage of data transmission.
  • the type of the default DRB needs to be determined.
  • Some service types (such as protocol file related services) do not need to guarantee the bit rate. Some service types (such as video services) need to guarantee the bit rate all the time. Therefore, a flexible selection strategy is provided to adapt.
  • the use of wireless resources in different scenarios increases the efficiency of use of wireless resources.
  • a certain entity that can configure and manage the radio resources such as an operator, a network administrator, or a service provider, can establish a correspondence between the service type and the DRB type according to the requirements of the radio resources according to various service types.
  • the network access request sent by the terminal may carry the target service type.
  • the target service type can be obtained. Then, in the correspondence between the pre-established service type and the DRB type, the target DRB type corresponding to the target service type is searched for as the default DRB type.
  • the corresponding relationship between the service type and the DRB type can be:
  • the first DRB type corresponding to the first service type is a GBR type.
  • the second DRB type corresponding to the second service type is a non-GBR type.
  • the first service type is a service type in which the amount of service data in the preset historical duration is greater than a preset threshold
  • the second service type is a service type in which the amount of service data in the preset historical duration is not greater than a preset threshold.
  • the base station can calculate the service data quantity of each service type in a preset historical duration (such as the latest one day), and determine whether the service data quantity corresponding to each service type is greater than a preset threshold. If it is greater than, the service type and DRB are established. Set the GBR type to the DRB type corresponding to the service type. If the relationship between the service type and the DRB type is established, set the non-GBR type to the DRB type corresponding to the service type. . In this way, a GBR type DRB can be used for the data packet corresponding to the service type with a large amount of service data, and a non-GBR type DRB can be used for the data packet corresponding to the service type with a small amount of service data to improve network resources. Use efficiency.
  • the correspondence between the service type and the DRB type may also be established according to specific QoS requirements of the service type.
  • the first service type may be a service with a high QoS requirement, such as a video service or a voice service, and needs to ensure a certain bit rate. Therefore, the GBR type may be set to the DRB type corresponding to the first service type; the second service type. It can be a service with a lower QoS requirement, such as a service related to a protocol file, and does not need to guarantee a bit rate. Therefore, the non-GBR type can be set to the DRB type corresponding to the second service type.
  • the correspondence between the service type, the network resource occupation, and the DRB type may be established, and the base station may perform the correspondence between the preset service type, the network resource occupation, and the DRB type according to the preset service type.
  • the base station When the base station receives the network access request, it can detect the current network resource occupancy situation, and then, according to the target service type in the network access request and the current network resource occupancy situation. Then, in the correspondence between the pre-established service type, the network resource occupation, and the DRB type, the target DRB type corresponding to the current network resource occupancy status is searched for as the default DRB type.
  • the corresponding relationship between the service type, network resource usage, and DRB type can be:
  • the third DRB type corresponding to the first service type and the network resource occupation is the GBR type whose QoS level is greater than the second preset level threshold;
  • the fourth DRB type corresponding to the first service type and the network resource occupation is a GBR type whose QoS level is not greater than a second preset level threshold;
  • the fifth DRB type corresponding to the second service type and the network resource occupation is the non-GBR type whose QoS level is greater than the third preset level threshold;
  • the sixth DRB type corresponding to the second service type and the network resource occupation is a non-GBR type whose QoS level is not greater than a third preset level threshold.
  • the network resource usage can be either “idle” or “busy”.
  • the DRB type is set according to the QoS class in the case of the two types of network resources. Specifically, the administrator can preset the level threshold corresponding to each service type. Set the DRB type that is greater than the level threshold to the DRB type that is the idle corresponding to the network type. Set the DRB type that is not greater than the level threshold to the network resource occupancy. The DRB type corresponding to busy.
  • the correspondence between the service type and the network resource usage and the DRB type can be regarded as the refinement of the correspondence between the service type and the DRB type. In this way, when the network resource usage is idle, the DRB with better QoS can be used. When the network resource occupancy is busy, the DRB with a slightly lower QoS can be used to improve the accuracy of allocating network resources.
  • step 703 a default DRB of the target DRB type is established.
  • the configuration information of the target DRB type may be added to the reconfiguration request, and then the reconfiguration request is sent to the terminal.
  • the terminal After receiving the reconfiguration request, the terminal can be configured according to the configuration information of the target DRB type. After the configuration is complete, the terminal can send a reconfiguration complete message to the base station. So far, as shown in FIG. 8, the default DRB is established, and the terminal can perform subsequent processing based on the default DRB.
  • the base station receives the network access request sent by the terminal, determines the target DRB type corresponding to the target service type, and establishes a default DRB of the target DRB type according to the preset correspondence between the service type and the DRB type.
  • different service types can use the corresponding default DRB that satisfies the quality of service, which can ensure better service quality, improve the quality of initial data transmission, and improve the efficiency of network resource usage.
  • a further exemplary embodiment of the present disclosure provides an apparatus for establishing a default data radio bearer, which may be the base station in the above embodiment. As shown in FIG. 9, the apparatus includes:
  • the receiving module 910 is configured to receive a network access request sent by the terminal.
  • a determining module 920 configured to determine, according to a preset selection policy, a target data radio bearer DRB type that satisfies a transmission quality
  • the establishing module 930 is configured to establish a default DRB of the target DRB type.
  • the determining module 920 is configured to:
  • Target DRB type is a target guaranteed bit rate GBR type.
  • the target GBR type is a GBR type having the largest tolerable packet error/loss rate and the maximum tolerable packet delay budget among all GBR types.
  • the determining module 920 is configured to:
  • the target DRB type is a target non-guaranteed bit rate non-GBR type, and the target non-GBR type satisfies a preset quality of service QoS condition.
  • the preset quality of service QoS condition includes that the QoS level corresponding to the target non-GBR type is greater than a first preset level threshold.
  • the network access request carries a target service type.
  • the determining module 920 is configured to:
  • the correspondence between the service type and the DRB type includes:
  • the first DRB type corresponding to the first service type is a GBR type, where the first service type is a service type in which the amount of service data in the preset historical duration is greater than a preset threshold;
  • the second DRB type corresponding to the second service type is a non-GBR type, and the second service type is a service type in which the amount of service data in the preset historical duration is not greater than a preset threshold.
  • the determining module 920 is configured to:
  • the target DRB type corresponding to the current network resource occupancy status is determined according to the preset service type, the corresponding relationship between the network resource usage and the DRB type.
  • the correspondence between the service type, network resource occupation, and DRB type includes:
  • the third service type of the first service type is the GBR type whose QoS level is greater than the second preset level threshold, where the first service type is the amount of service data in the preset historical duration. a service type that is greater than a preset threshold;
  • the fourth DRB type corresponding to the first service type and the network resource occupation is a GBR type whose QoS level is not greater than a second preset level threshold;
  • the second service type is the non-GBR type in which the QoS level is greater than the third preset level threshold, and the second service type is the service in the preset historical duration.
  • the type of service whose data volume is not greater than the preset threshold;
  • the sixth DRB type corresponding to the second service type and the network resource occupation is a non-GBR type whose QoS level is not greater than a third preset level threshold.
  • the base station receives the network access request sent by the terminal, determines the target data radio bearer DRB type that meets the transmission quality according to the preset selection policy, and establishes a default DRB of the target DRB type. In this way, the default DRB can guarantee better quality of service and improve the quality of initial data transmission.
  • the device for establishing a default data radio bearer provided by the foregoing embodiment when used to establish a default data radio bearer, only the division of each functional module is used as an example. In an actual application, the foregoing function may be performed as needed. The allocation is done by different functional modules, that is, the internal structure of the base station is divided into different functional modules to complete all or part of the functions described above.
  • the apparatus for establishing a default data radio bearer provided by the foregoing embodiment is the same as the method for establishing a default data radio bearer. For details of the implementation process, refer to the method embodiment, and details are not described herein again.
  • Yet another exemplary embodiment of the present disclosure shows a schematic structural diagram of a base station.
  • base station 1000 includes a processing component 1022 that further includes one or more processors, and memory resources represented by memory 1032 for storing instructions executable by processing component 1022, such as an application.
  • An application stored in memory 1032 can include one or more modules each corresponding to a set of instructions.
  • the processing component 1022 is configured to execute instructions to perform a method of flight control.
  • Base station 1000 can also include a power supply component 1026 configured to perform power management of base station 1000, a wired or wireless network interface 1050 configured to connect base station 1000 to the network, and an input/output (I/O) interface 1058.
  • a power supply component 1026 configured to perform power management of base station 1000
  • a wired or wireless network interface 1050 configured to connect base station 1000 to the network
  • an input/output (I/O) interface 1058 I/output
  • the base station 1000 can include a memory, and one or more programs, wherein one or more programs are stored in the memory and configured to be executed by one or more processors to include the one or more programs Trust data radio bearer instructions.

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

Abstract

La présente invention appartient au domaine technique des communications sans fil, et concerne un procédé et un dispositif d'établissement d'un support radio de données par défaut. Le procédé consiste à : recevoir une demande d'accès au réseau envoyée par un terminal ; selon une politique de sélection prédéfinie, déterminer un type de support radio de données (DRB) cible conforme à la qualité de transmission ; et établir un DRB par défaut pour le type de DRB cible. La présente invention est apte à améliorer la qualité d'une transmission initiale de données.
PCT/CN2017/119755 2017-12-29 2017-12-29 Procédé et dispositif d'établissement de support radio de données par défaut WO2019127334A1 (fr)

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PCT/CN2017/119755 WO2019127334A1 (fr) 2017-12-29 2017-12-29 Procédé et dispositif d'établissement de support radio de données par défaut

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WO2022082583A1 (fr) * 2020-10-22 2022-04-28 JRD Communication (Shenzhen) Ltd. Procédé de transmission de données dans une duplication de protocole pdcp, nœud de réseau et équipement d'utilisateur

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