WO2019214503A1 - Rrc连接重建的承载配置方法、终端及网络设备 - Google Patents
Rrc连接重建的承载配置方法、终端及网络设备 Download PDFInfo
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- WO2019214503A1 WO2019214503A1 PCT/CN2019/085129 CN2019085129W WO2019214503A1 WO 2019214503 A1 WO2019214503 A1 WO 2019214503A1 CN 2019085129 W CN2019085129 W CN 2019085129W WO 2019214503 A1 WO2019214503 A1 WO 2019214503A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/19—Connection re-establishment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0252—Traffic management, e.g. flow control or congestion control per individual bearer or channel
- H04W28/0263—Traffic management, e.g. flow control or congestion control per individual bearer or channel involving mapping traffic to individual bearers or channels, e.g. traffic flow template [TFT]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0268—Traffic management, e.g. flow control or congestion control using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/11—Allocation or use of connection identifiers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/18—Management of setup rejection or failure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/27—Transitions between radio resource control [RRC] states
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
- H04W80/02—Data link layer protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
- H04W76/16—Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/042—Public Land Mobile systems, e.g. cellular systems
Definitions
- the present disclosure relates to the technical field of communication applications, and in particular, to a bearer configuration method, a terminal, and a network device for RRC connection reestablishment.
- the 3rd Generation Partnership Project (3GPP) radio access network RAN mainly defines two evolution directions of the 5G system, eLTE and 5G new air interface NR.
- eLTE refers to air interface LTE access to 5G core network (NGC, from R15).
- NNC 5G core network
- the eLTE project was successfully established at the RAN#75 conference (RP-170840) and was discussed at the RAN2#98 conference.
- LTE Long Term Evolution
- EPC 4G core network
- NGC 5G core network
- the RRC rebuild process including:
- the terminal sends an RRC (Radio Resource Control) reconnection establishment request to the evolved universal land-based radio access network EUTRAN;
- RRC Radio Resource Control
- the terminal receives an RRC reconnection establishment message sent by the EUTRAN;
- the terminal sends an RRC reconnection establishment complete message to the EUTRAN.
- the re-establishment is because the current cell has some failure or the handover fails, and the UE needs to re-access the network.
- the default signaling radio bearers (SRB1/2) first use the LTE Packet Data Convergence Protocol (PDCP), and then after msg5, The network and UE automatically switch to use NR PDCP. The SRB2 is then reconfigured to use NR PDCP before the security activation command.
- PDCP Packet Data Convergence Protocol
- msg5 LTE Packet Data Convergence Protocol
- the RRC re-establishment process in eLTE does not discuss and specify which PDCP type to use for SRB1 and when to convert the PDCP type.
- the network side supports two core networks in one cell at the same time, how to determine the ECGI reported at the time of reconstruction is also undefined.
- An object of the present disclosure is to provide a RRC connection re-establishment bearer configuration method, a terminal, and a network device, which are used to solve the RRC re-establishment process in eLTE, and do not discuss and specify which PDCP type is used for SRB1.
- an embodiment of the present disclosure provides a bearer configuration method for RRC connection reestablishment, which is applied to a network device, and includes:
- the PDCP type includes: supporting the first type of PDCP of the first network or supporting the second network Two types of PDCP;
- the bearer in the RRC subsequent process is reconfigured according to the determined PDCP type.
- the embodiment of the present disclosure further provides a bearer configuration method for radio resource control RRC connection reestablishment, which is applied to a terminal, and includes:
- the PDCP type of the packet data aggregation protocol PDCP configured on the signaling radio bearer SRB1 the PDCP type comprising: supporting the first type of PDCP of the first network or the second type of PDCP supporting the second network ;
- an embodiment of the present disclosure further provides a network device, including:
- the first receiving module is configured to determine, when receiving the RRC reestablishment complete message sent by the terminal, a packet data convergence protocol (PDCP) type supported by the target network to be accessed by the terminal; and the PDCP type includes: supporting the first type of the first network Or supporting a second type of PDCP of the second network;
- PDCP packet data convergence protocol
- a reconfiguration module configured to reconfigure a bearer in a subsequent procedure of the RRC according to the determined type of the PDCP.
- an embodiment of the present disclosure further provides a network device, including: a memory, a processor, and a computer program stored on the memory and executable on the processor, where the computer program is executed by the processor The step of the line resource control RRC connection reestablishment bearer configuration method.
- an embodiment of the present disclosure further provides a terminal, including:
- a determining module configured to determine a PDCP type configured by the packet data aggregation protocol PDCP for the signaling radio bearer SRB1 when the RRC reestablishment complete message is sent, where the PDCP type includes: supporting the first type of the first type of the PDCP or supporting the second network The second type of PDCP;
- the first sending module is configured to send an RRC reestablishment complete message to the network device according to the PDCP type configured by the PDCP.
- an embodiment of the present disclosure further provides a terminal, including: a memory, a processor, and a computer program stored on the memory and executable on the processor, where the computer program is implemented by the processor
- the radio resource controls the steps of the RRC connection reestablishment bearer configuration method.
- an embodiment of the present disclosure further provides a computer readable storage medium, where the computer readable storage medium stores a computer program, and when the computer program is executed by the processor, implements a radio resource control RRC connection as described above. The steps of the reconstructed bearer configuration method.
- FIG. 1 is a structural diagram of a network system to which an embodiment of the present disclosure is applicable;
- FIG. 2 is a schematic flowchart of a method for configuring a bearer of an RRC connection reestablishment according to an embodiment of the present disclosure
- FIG. 3 is a second schematic flowchart of a method for configuring a bearer for RRC connection reestablishment according to an embodiment of the present disclosure
- FIG. 4 is a schematic block diagram of a terminal according to an embodiment of the present disclosure.
- FIG. 5 is a structural block diagram of a terminal according to an embodiment of the present disclosure.
- FIG. 6 is a second structural block diagram of a terminal according to an embodiment of the present disclosure.
- FIG. 7 is a schematic block diagram of a network device according to an embodiment of the present disclosure.
- FIG. 8 is a structural block diagram of a network device according to an embodiment of the present disclosure.
- FIG. 1 is a structural diagram of a network system applicable to an embodiment of the present disclosure.
- the user terminal 11 may be a user equipment (User Equipment, UE). ), for example: can be a mobile phone, tablet personal computer, laptop computer, personal digital assistant (PDA), mobile Internet device (MID) or wearable
- PDA personal digital assistant
- MID mobile Internet device
- wearable A terminal device such as a device (Wearable Device), it should be noted that the specific type of the user terminal 11 is not limited in the embodiment of the present disclosure.
- the base station 12 may be a base station of 5G or later (eg, gNB, 5G NR NB), or a base station in other communication systems, or a Node B, an evolved Node B, a transmitting receiving point (TRP), or
- the other vocabulary in the field, as long as the same technical effect is achieved, the base station is not limited to a specific technical vocabulary. It should be noted that in the embodiment of the present disclosure, only the 5G base station is taken as an example, but the specific type of the base station 12 is not limited. .
- an embodiment of the present disclosure provides a method for configuring a radio resource control RRC connection reestablishment, which is applied to a network device, and includes:
- Step 201 When receiving the RRC reestablishment complete message sent by the terminal, determine a packet data convergence protocol PDCP type supported by the target network to be accessed by the terminal; the PDCP type includes: supporting the first type of PDCP of the first network or supporting the second network. The second type of PDCP.
- the first network may be an LTE network
- the second network may be an NR network.
- the RRC connection re-establishment in the embodiments of the present disclosure includes reconstruction of an eLTE network to an LTE or NR (eLTE) network.
- the terminal first determines, according to the PDCP type configured by the PDCP, the PDCP type configured by the PDCP when the RRC reestablishment complete message is sent, and the PDCP type configured by the PDCP. Sending an RRC reestablishment complete message; when receiving the RRC reestablishment complete message sent by the terminal, the network device determines the PDCP type of the packet data convergence protocol supported by the target network to which the terminal is to access.
- Step 202 Perform reconfiguration on the bearer in the RRC subsequent process according to the determined PDCP type.
- the bearer in the RRC re-establishment process includes at least one of signaling radio bearers SRB1, SRB2, and DRB (data radio bearer).
- the RRC connection reestablishment bearer configuration method of the embodiment of the present disclosure when receiving the RRC reestablishment complete message sent by the terminal, determines the PDCP type supported by the target network to be accessed by the terminal, and according to the determined type of the PDCP, the RRC subsequent process
- the bearer performs reconfiguration, so that when the terminal in the eLTE or NR cell performs RRC connection reestablishment, the PDCP used by the bearer in the RRC reestablishment process can be determined, thereby ensuring that the RRC reestablishment can be successful.
- step 202 may include:
- the second type of PDCP is used for all bearers in the RRC re-establishment process.
- the NR PDCP can be used for subsequent reconfiguration of any bearer (including the SRB1, the SRB2, and the data radio bearer DRB).
- Two types of PDCP configuration are two types of PDCP configuration).
- the network can convert all bearers to LTE PDCP (ie, the first type of PDCP) using full configuration.
- the communication pipeline between the eNodeB and the UE includes two types: SRB and DRB.
- Data Radio Bearer (DRB) is used for data transmission.
- the establishment of the DRB is done through a reconfiguration message (RRC Connection Reconfiguration).
- SRB Signaling Radio Bearer
- SRB0 does not need to be established to transmit signaling mapped to the CCCH channel of the common control channel.
- RRC messages There are 6 RRC messages. The purpose of RRC connection establishment is to establish SRB1, and then transmit other RRC messages through SRB1.
- the re-allocation of the second type of PDCP by all the bearers in the RRC re-establishment process may be performed by using the second type of PDCP to re-allocate all the bearers in the RRC re-establishment process by re-allocation signaling;
- all bearers in the RRC re-establishment process are re-allocated using the second type PDCP.
- the preset message includes an RRC reestablishment complete message, for example, after the RRC reestablishment complete message transmission, the network and the UE are implicitly converted to NR PDCP; the predetermined condition may be agreed or defined in advance.
- the method may further include: performing mapping of the QoS flow to the EPS packet of the evolved packet system; deleting the established SDAP entity; performing the NR core network.
- the mapping of the key to the LTE core network key is obtained, and the key used by the LTE air interface is obtained.
- a network device such as a base station
- the UE uses the LTE PDCP configuration for the SRB1, and the UE performs the MAC-I calculation by using the original key and algorithm; the UE and the network device respectively complete the mapping of the QoS flow and the EPS bearer ID, and delete the SDAP entity; the UE and the network device Internally, a core network (NR 5GC) key key is mapped to another core network (LTE EPC) key key, and the key used by the air interface is derived, thereby enabling the LTE PDCP configuration to be implemented. Signal processing based on the new configuration.
- NR 5GC core network
- LTE EPC core network
- step 202 includes:
- the original configuration is reserved for the bearer in the RRC reestablishing process, or Reusing the first type of PDCP for all bearers in the RRC reestablishment process;
- the terminal uses the second type of PDCP configuration signaling radio bearer SRB1, and determines that the PDCP type supported by the target network to be accessed by the terminal is not the second type of PDCP, but fails to parse the RRC reestablishment complete message, and sends the rejection of the RRC. Rebuild completed message.
- the UE first uses the NR PDCP configuration when reconstructing. If the target access network supports NR PDCP, the previously reserved bearers can be supported, or can be reconfigured to use LTE PDCP; if the target access network does not support NR PDCP, but The network identifies the RRC reestablishment complete message, and the network may convert all bearers to LTE PDCP in a full configuration manner; if the target access network does not support NR PDCP, the network device does not recognize the RRC reestablishment complete message, The message was rejected and the subsequent process could not be performed.
- the UE uses the configuration of the NR PDCP at the time of reconstruction, allows the UE to initiate an RRC reestablishment request using the NR RRC Reestablishment Request message, or allows the UE to initiate an RRC reestablishment request using the LTE RRC Reestablishment Request message, at this time, the key (key), the SDAP,
- the PDCP configuration can be reused.
- the RLC uses the default configuration of the corresponding system, and can reconfigure the RLC, MAC, and PHY layer configurations of the UE through the air interface resource configuration signaling.
- the CGI information needs to be reported in the failure report failure report, and the CGI information includes: the primary public land mobile network PLMN.
- the bearer configuration method for RRC connection reestablishment in the embodiment of the present disclosure further includes:
- the measurement radio link failure report carries global cell identification code CGI information, where the CGI information includes: a main public land mobile network PLMN.
- the above CGI information includes:
- PLMN list of the LTE core network The PLMN list of the LTE core network.
- the primary PLMN is the first one of the PLMN lists of the LTE core network.
- the primary PLMN is the first of the PLMN lists of the NR core network;
- the primary PLMN is the first one of the PLMN lists of the LTE core network;
- the primary PLMN is the first one of the PLMN lists of the NR core network;
- the primary PLMN is the first one of the PLMN lists of the NR core network;
- the primary PLMN is the first one in the PLMN list of the LTE core network.
- the primary PLMN is the first one in the PLMN list of the NR core network.
- the terminal may also select the corresponding primary PLMN to report according to the type of the cell, for example, eLTE reports the first PLMN in the 5GC list, and the LTE reports the first in the EPC list. PLMN.
- the RRC connection reestablishment bearer configuration method of the embodiment of the present disclosure when receiving the RRC reestablishment complete message sent by the terminal, determines the PDCP type supported by the target network to be accessed by the terminal, and according to the determined type of the PDCP, The bearer performs configuration, so that when the terminal in the eLTE or NR cell performs the RRC connection reestablishment, the PDCP used by the bearer in the RRC reestablishment process can be determined, thereby ensuring that the RRC reestablishment can be successful.
- an embodiment of the present disclosure further provides a bearer configuration method for radio resource control RRC connection reestablishment, which is applied to a terminal, and includes:
- Step 301 Determine a PDCP type configured by the packet data aggregation protocol PDCP for the signaling radio bearer SRB1 when the RRC reestablishment complete message is sent, where the PDCP type includes: supporting the first type of PDCP of the first network or supporting the second network. Two types of PDCP.
- the first network may be an LTE network
- the second network may be an NR (or eLTE) network.
- the RRC connection re-establishment in the embodiments of the present disclosure includes reconstruction of an eLTE network to an LTE or NR (or eLTE) network.
- the type of the PDCP used may be that the UE selects according to the standard, or the network may be configured in advance to the terminal.
- Step 302 Send an RRC reestablishment complete message to the network device according to the PDCP type configured by the PDCP.
- the terminal determines to send the RRC reestablishment complete message
- the PDCP type configured by the packet data aggregation protocol PDCP is configured on the signaling radio bearer SRB1; and the RRC reestablishment is sent to the network device according to the PDCP type configured by the PDCP.
- the message enables the terminal to determine the PDCP type used by SRB1 during the RRC reestablishment process.
- step 301 includes:
- the PDCP type configured by the packet data convergence protocol PDCP for the signaling radio bearer SRB1 is the first type PDCP.
- step 301 determining, when the RRC reestablishment complete message is sent, the PDCP type for performing PDCP configuration on the signaling radio bearer SRB1 includes:
- Performing PDCP configuration of the packet data aggregation protocol PDCP on the signaling radio bearer SRB1 according to a pre-defined manner or when detecting that the PDCP type supported by the target access network is not the second type of PDCP or the access timeout, when transmitting the RRC reestablishment complete message The type is rolled back to the first type of PDCP.
- the UE first uses the NR PDCP configuration when reestablishing. If the UE subsequently detects that the target access network does not support NR PDCP (such as timeout access unsuccessful, etc.), the UE automatically falls back to the LTE PDCP configuration SRB1 for reconstruction operation.
- the method further includes:
- mapping of the QoS flow to the EPS packet of the Evolved Packet System is performed; the established SDAP entity is deleted; the mapping of the key of the NR core network to the key of the LTE core network is performed, and the key used by the LTE air interface is obtained.
- the UE uses the configuration of the LTE PDCP for the SRB1, and the UE performs the MAC-I calculation by using the original key and algorithm; the UE and the network device internally complete the mapping of the QoS flow and the EPS bearer ID, and delete the SDAP entity; the UE and the network device Internally, a core network (such as NR 5GC) key key is mapped to another core network (such as LTE EPC) key key, and the key used by the air interface is derived.
- a core network such as NR 5GC
- another core network such as LTE EPC
- step 301 determining, when the RRC reestablishment complete message is sent, the PDCP type for performing PDCP configuration on the signaling radio bearer SRB1 includes:
- the PDCP type of the packet data aggregation protocol PDCP configured for the signaling radio bearer SRB1 is determined according to a pre-defined manner or when detecting that the PDCP type supported by the access target network is the second type of PDCP, when determining to send the RRC reestablishment complete message The second type of PDCP.
- the UE must use the NR PDCP configuration when rebuilding, and the cell to be accessed by default must support eLTE, that is, rebuilding beyond the CN (EPC and NGC) is not allowed.
- the network side knows the context information of the UE in advance, and if the reconstruction fails, the cell selection is performed again.
- the method may further include:
- An RRC reestablishment request is initiated using an LTE RRC Reestablishment Request message.
- the RRC re-establishment request message is initiated by using the NR RRC re-establishment request message according to the network system to be re-established; or after the RRC re-establishment request message is used to initiate the RRC re-establishment, the method may further include:
- the RLC uses the default configuration of the corresponding system and reconfigures the RLC, MAC, and PHY configurations of the terminal through the air interface resource configuration signaling.
- the UE uses the configuration of the NR PDCP when reestablishing, allows the UE to initiate an RRC re-establishment request using the NR RRC re-establishment request message, or allows the UE to initiate an RRC re-establishment request using the LTE RRC re-establishment request message, at which time the key, SDAP, and PDCP configurations can be reused, and the RLC is used.
- the RLC, MAC, and PHY layer configurations of the UE can be reconfigured through the air interface resource configuration signaling.
- the bearer configuration method further includes:
- Radio link failure report carries global cell identification code CGI information, where the CGI information includes: a primary public land mobile network PLMN.
- the CGI information includes:
- PLMN list of the LTE core network The PLMN list of the LTE core network.
- the above primary PLMN is the first one in the PLMN list of the LTE core network.
- the primary PLMN is the first of the PLMN lists of the NR core network;
- the primary PLMN is the first one of the PLMN lists of the LTE core network;
- the primary PLMN is the first one of the PLMN lists of the NR core network;
- the primary PLMN is the first one of the PLMN lists of the NR core network;
- the primary PLMN is the first one in the PLMN list of the LTE core network.
- the primary PLMN is the first one in the PLMN list of the NR core network.
- the terminal determines to send the RRC reestablishment complete message
- the PDCP type of the packet data aggregation protocol PDCP is configured on the signaling radio bearer SRB1; according to the PDCP type configured by the PDCP,
- the network device sends an RRC reestablishment complete message, so that the terminal can determine the purpose of the PDCP type used by SRB1 in the RRC reestablishment process.
- FIG. 4 is a schematic block diagram of a terminal according to an embodiment of the present disclosure. As shown in FIG. 4, an embodiment of the present disclosure further provides a terminal 400, including:
- the determining module 401 is configured to determine a PDCP type configured by the packet data aggregation protocol PDCP for the signaling radio bearer SRB1 when the RRC reestablishment complete message is sent, where the PDCP type includes: supporting the first type of PDCP of the first network or supporting the second The second type of network PDCP;
- the first sending module 402 is configured to send an RRC reestablishment complete message to the network device according to the PDCP type configured by the PDCP.
- the PDCP type configured by the packet data aggregation protocol PDCP for the signaling radio bearer SRB1 is the first type of PDCP.
- the determining module is configured to determine, when the RRC reestablishment completion message is sent, according to a pre-defined manner or when detecting that the PDCP type supported by the target access network is not the second type of PDCP or the terminal access timeout.
- the signaling radio bearer SRB1 performs the packet data convergence protocol PDCP configuration and the PDCP type is rolled back to the first type of PDCP.
- a second mapping module configured to perform mapping of the QoS flow to the EPS of the Evolved Packet System
- a second deleting module configured to delete an established service data adaptation protocol SDAP entity
- the second conversion module is configured to perform mapping mapping of the key of the NR core network to the LTE core network key, and obtain a key used by the LTE air interface.
- the determining module is configured to determine, when the RRC reestablishment complete message is sent, according to a predefined manner or when detecting that the PDCP type supported by the access target network is the second type of PDCP
- the PDCP type that carries the SRB1 for packet data convergence protocol PDCP configuration is the second type PDCP.
- the first sending module is further configured to initiate an RRC reestablishment request by using an NR RRC reestablishment request message according to the network standard to be reestablished, or initiate an RRC reestablishment request by using an LTE RRC reestablishment request message.
- the configuration module is configured to control the RLC to use the default configuration of the corresponding system, and configure the radio link control RLC, the medium access control MAC, and the physical layer PHY configuration of the signaling reconfiguration terminal through the air interface resource configuration.
- the second sending module is configured to send a radio link failure report to the network device, where the radio link failure report carries global cell identifier CGI information, where the CGI information includes: a primary public land mobile network PLMN.
- the CGI information sent by the terminal in the following manners is sent in the following manners, including:
- the primary PLMN is the first one of the PLMN lists of the LTE core network;
- the primary PLMN is the first of the PLMN lists of the NR core network;
- the primary PLMN is the first one of the PLMN lists of the LTE core network;
- the primary PLMN is the first one of the PLMN lists of the NR core network;
- the primary PLMN is the first one of the PLMN lists of the NR core network;
- the primary PLMN is the first one in the PLMN list of the LTE core network.
- the primary PLMN is the first one in the PLMN list of the NR core network.
- Embodiments of the present disclosure also provide a terminal, including: a memory, a processor, and a computer program stored on the memory and executable on the processor, the computer program being implemented by the processor to implement the above-described application to the terminal
- the radio resource controls the processes in the RRC connection re-establishment bearer configuration method embodiment, and can achieve the same technical effect. To avoid repetition, details are not described herein again.
- Embodiments of the present disclosure also provide a computer readable storage medium having stored thereon a computer program that, when executed by a processor, implements the above-described radio resource control RRC connection re-establishment applied to a terminal.
- the various processes in the embodiment of the configuration method are carried out, and the same technical effects can be achieved. To avoid repetition, details are not described herein again.
- the computer readable storage medium such as a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.
- an embodiment of the present disclosure further provides a terminal, including a memory 520, a processor 500, a transceiver 510, a user interface 530, a bus interface, and is stored in the memory 520. And a computer program running on the processor 500, the processor 400 is configured to read a program in the memory 520, and perform the following process:
- the PDCP type of the packet data aggregation protocol PDCP configured on the signaling radio bearer SRB1 the PDCP type comprising: supporting the first type of PDCP of the first network or the second type of PDCP supporting the second network ;
- the bus architecture can include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 500 and various circuits of memory represented by memory 520.
- the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
- the bus interface provides an interface.
- Transceiver 510 can be a plurality of components, including a transmitter and a transceiver, providing means for communicating with various other devices on a transmission medium.
- the user interface 530 may also be an interface capable of externally connecting the required devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
- the processor 500 is responsible for managing the bus architecture and general processing, and the memory 520 can store data used by the processor 500 when performing operations.
- the processor 500 reads the program in the memory 520, and is further configured to:
- the PDCP type configured by the packet data convergence protocol PDCP for the signaling radio bearer SRB1 is the first type PDCP.
- the processor 500 reads the program in the memory 520, and is further configured to:
- the PDCP type is rolled back to the first type of PDCP.
- the processor 500 reads the program in the memory 520, and is further configured to:
- mapping of the key of the NR core network to the LTE core network key is performed, and the key used by the LTE air interface is obtained.
- the processor 500 reads the program in the memory 520, and is further configured to:
- the PDCP type of the packet data aggregation protocol PDCP configured for the signaling radio bearer SRB1 is determined according to a pre-defined manner or when detecting that the PDCP type supported by the access target network is the second type of PDCP, when determining to send the RRC reestablishment complete message The second type of PDCP.
- the processor 500 reads the program in the memory 520, and is further configured to:
- An RRC reestablishment request is initiated using an LTE RRC Reestablishment Request message.
- the processor 500 reads the program in the memory 520, and is further configured to:
- the RLC uses the default configuration of the corresponding system and configures the radio link control RLC, media access control MAC, and physical layer PHY configuration of the terminal through the air interface resource configuration signaling.
- the processor 500 reads the program in the memory 520, and is further configured to:
- Radio link failure report carries global cell identification code CGI information, where the CGI information includes: a primary public land mobile network PLMN.
- the manner of sending the CGI information includes:
- the primary PLMN may be the first one of the PLMN lists of the LTE core network; or
- the primary PLMN may be the first of the PLMN lists of the NR core network; or
- the primary PLMN may be the first one of the PLMN lists of the LTE core network;
- the primary PLMN may be the first one of the PLMN lists of the NR core network;
- the primary PLMN may be the first one of the PLMN lists of the NR core network; or
- the primary PLMN may be the first one in the PLMN list of the LTE core network;
- the primary PLMN may be the first of the PLMN lists of the NR core network.
- FIG. 6 is a schematic diagram of a hardware structure of a terminal that implements various embodiments of the present disclosure.
- the terminal 600 includes, but is not limited to, a radio frequency unit 601, a network module 602, an audio output unit 603, an input unit 604, a sensor 605, and a display unit 606.
- the terminal structure shown in FIG. 6 does not constitute a limitation of the terminal, and the terminal may include more or less components than those illustrated, or some components may be combined, or different component arrangements.
- the terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palmtop computer, an in-vehicle terminal, a wearable device, and a pedometer.
- the processor 610 is configured to determine a PDCP type configured by using a packet data aggregation protocol PDCP for the signaling radio bearer SRB1 when the RRC reestablishment complete message is sent, where the PDCP type includes: supporting the first type of PDCP of the first network or supporting a second type of PDCP of the second network; sending an RRC reestablishment complete message to the network device according to the PDCP type configured by the PDCP
- the terminal determines to send the RRC reestablishment complete message
- the PDCP type of the packet data aggregation protocol PDCP is configured on the signaling radio bearer SRB1; and the PDCP type configured according to the PDCP is sent to the network device.
- the RRC Reestablishment Complete message enables the terminal to determine the PDCP type used by SRB1 during RRC reestablishment.
- the radio frequency unit 601 can be used for receiving and transmitting signals during and after receiving or transmitting information, and specifically, receiving downlink data from the network device, and then processing the data to the processor 610; Send the uplink data to the network device.
- radio frequency unit 601 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
- the radio unit 601 can also communicate with the network and other devices through a wireless communication system.
- the terminal provides the user with wireless broadband Internet access through the network module 602, such as helping the user to send and receive emails, browse web pages, and access streaming media.
- the audio output unit 603 can convert the audio data received by the radio frequency unit 601 or the network module 602 or stored in the memory 609 into an audio signal and output as a sound. Moreover, the audio output unit 603 can also provide audio output (eg, call signal reception sound, message reception sound, etc.) related to a particular function performed by the terminal 600.
- the audio output unit 603 includes a speaker, a buzzer, a receiver, and the like.
- the input unit 604 is for receiving an audio or video signal.
- the input unit 604 may include a graphics processing unit (GPU) 6041 and a microphone 6042 that images an still picture or video obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode.
- the data is processed.
- the processed image frame can be displayed on display unit 606.
- the image frames processed by the graphics processor 6041 may be stored in the memory 609 (or other storage medium) or transmitted via the radio unit 601 or the network module 602.
- the microphone 6042 can receive sound and can process such sound as audio data.
- the processed audio data can be converted to a format output that can be transmitted to the mobile communication network device via the radio unit 601 in the case of a telephone call mode.
- Terminal 600 also includes at least one type of sensor 605, such as a light sensor, motion sensor, and other sensors.
- the light sensor includes an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display panel 6061 according to the brightness of the ambient light, and the proximity sensor can close the display panel 6061 and/or when the terminal 600 moves to the ear. Or backlight.
- the accelerometer sensor can detect the magnitude of acceleration in all directions (usually three axes). When it is stationary, it can detect the magnitude and direction of gravity.
- sensor 605 may also include fingerprint sensor, pressure sensor, iris sensor, molecular sensor, gyroscope, barometer, hygrometer, thermometer, infrared Sensors, etc., will not be described here.
- the display unit 606 is for displaying information input by the user or information provided to the user.
- the display unit 606 can include a display panel 6061.
- the display panel 6061 can be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.
- the user input unit 607 can be configured to receive input numeric or character information and to generate key signal inputs related to user settings and function control of the terminal.
- the user input unit 607 includes a touch panel 6071 and other input devices 6072.
- the touch panel 6071 also referred to as a touch screen, can collect touch operations on or near the user (such as a user using a finger, a stylus, or the like on the touch panel 6071 or near the touch panel 6071. operating).
- the touch panel 6071 may include two parts of a touch detection device and a touch controller.
- the touch detection device detects the touch orientation of the user, and detects a signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts the touch information into contact coordinates, and sends the touch information.
- the processor 610 receives the commands from the processor 610 and executes them.
- the touch panel 6071 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
- the user input unit 607 may also include other input devices 6072.
- the other input device 6072 may include, but is not limited to, a physical keyboard, function keys (such as a volume control button, a switch button, etc.), a trackball, a mouse, and a joystick, and details are not described herein.
- the touch panel 6071 may be overlaid on the display panel 6061.
- the touch panel 6071 detects a touch operation thereon or nearby, the touch panel 6071 transmits to the processor 610 to determine the type of the touch event, and then the processor 610 according to the touch.
- the type of event provides a corresponding visual output on display panel 6061.
- the touch panel 6071 and the display panel 6061 are used as two independent components to implement the input and output functions of the terminal in FIG. 6, in some embodiments, the touch panel 6071 can be integrated with the display panel 6061.
- the input and output functions of the terminal are implemented, and are not limited herein.
- the interface unit 608 is an interface in which an external device is connected to the terminal 600.
- the external device may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, and an audio input/output. (I/O) port, video I/O port, headphone port, and more.
- the interface unit 608 can be configured to receive input from an external device (eg, data information, power, etc.) and transmit the received input to one or more components within the terminal 600 or can be used at the terminal 600 and external devices Transfer data between.
- Memory 609 can be used to store software programs as well as various data.
- the memory 609 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may be stored according to Data created by the use of the mobile phone (such as audio data, phone book, etc.).
- memory 609 can include high speed random access memory, and can also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
- the processor 610 is a control center of the terminal, which connects various parts of the entire terminal using various interfaces and lines, and executes by executing or executing software programs and/or modules stored in the memory 609, and calling data stored in the memory 609.
- the processor 610 can include one or more processing units; optionally, the processor 610 can integrate an application processor and a modem processor, wherein the application processor mainly processes an operating system, a user interface, an application, etc., and a modulation solution
- the processor mainly handles wireless communication. It can be understood that the above modem processor may not be integrated into the processor 610.
- the terminal 600 can also include a power source 611 (such as a battery) for powering various components.
- a power source 611 such as a battery
- the power source 611 can be logically coupled to the processor 610 through a power management system to manage charging, discharging, and power management through the power management system. And other functions.
- the terminal 600 includes some functional modules not shown, and details are not described herein again.
- an embodiment of the present disclosure further provides a network device 700, including:
- the first receiving module 701 is configured to: when receiving the RRC reestablishment complete message sent by the terminal, determine a packet data convergence protocol PDCP type supported by the target network to be accessed by the terminal; the PDCP type includes: supporting the first type of the first type of the PDCP or Supporting a second type of PDCP of the second network;
- the reconfiguration module 702 is configured to reconfigure bearers in the RRC subsequent process according to the determined PDCP type.
- the reconfiguration module is configured to detect that the terminal uses the first type of PDCP configuration signaling radio bearer SRB1, and determines that the PDCP type supported by the target network to be accessed by the terminal is the second type of PDCP. Reusing the second type of PDCP for all bearers in the RRC reestablishment process;
- Type PDCP is reconfigured.
- the reconfiguration module is configured to re-allocate all bearers in the RRC re-establishment process by using the second type PDCP by using re-configuration signaling;
- a first mapping module configured to perform mapping of QoS flow to an EPS packet of an evolved packet system
- a first deleting module configured to delete an established service data adaptation protocol SDAP entity
- the first conversion module is configured to perform mapping mapping of the key of the NR core network to the LTE core network key, and obtain a key used by the LTE air interface.
- the reconfiguration module is configured to detect that the terminal uses the second type of PDCP configuration signaling radio bearer SRB1, and determines that the PDCP type supported by the target network to be accessed by the terminal is the second type of PDCP. Retaining the original configuration for the bearer in the RRC re-establishment process, or reconfiguring the first type of PDCP for all bearers in the RRC re-establishment process;
- the terminal configured to detect that the terminal uses the second type of PDCP configuration signaling radio bearer SRB1, and determines that the PDCP type supported by the target network to which the terminal is to access is not the second type of PDCP, but may resolve the RRC reestablishment when the RRC reestablishment complete message is parsed All bearers in the process are reconfigured using the first type of PDCP;
- the terminal for detecting that the terminal uses the second type of PDCP configuration signaling radio bearer SRB1, and determines that the PDCP type supported by the target network to which the terminal is to access is not the second type of PDCP, but cannot parse the RRC reestablishment complete message, sending the rejecting station The RRC rebuild complete message.
- the second receiving module is configured to receive a measurement radio link failure report sent by the terminal, where the measurement radio link failure report carries global cell identifier CGI information, where the CGI information includes: a primary public land mobile network PLMN.
- Embodiments of the present disclosure also provide a network device, including: a memory, a processor, and a computer program stored on the memory and executable on the processor, the computer program being implemented by the processor to implement the foregoing application to a network
- the radio resource of the device controls each process in the method embodiment of the RRC connection re-establishment bearer configuration method, and can achieve the same technical effect. To avoid repetition, details are not described herein again.
- the embodiment of the present disclosure further provides a computer readable storage medium, where the computer readable storage medium stores a computer program, and when the computer program is executed by the processor, the RRC connection reconstruction applied to the network device is implemented.
- the various processes in the embodiment of the configuration method are carried out, and the same technical effects can be achieved. To avoid repetition, details are not described herein again.
- the computer readable storage medium such as a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.
- an embodiment of the present disclosure further provides a network device 800, including a processor 801, a transceiver 802, a memory 803, and a bus interface, where:
- the processor 801 is configured to read a program in the memory 803 and perform the following process:
- the terminal Upon receiving the RRC reestablishment complete message sent by the terminal, determining a packet data convergence protocol PDCP type supported by the target network to be accessed by the terminal; the PDCP type includes: supporting the first type of PDCP of the first network or supporting the second type of the second network PDCP;
- the bearer in the subsequent process of the RRC is reconfigured according to the determined type of the PDCP.
- the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 801 and various circuits of memory represented by memory 803.
- the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
- the bus interface provides an interface.
- Transceiver 802 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on a transmission medium.
- the processor 801 is responsible for managing the bus architecture and general processing, and the memory 803 can store data used by the processor 801 in performing operations.
- the processor 801 reads the program in the memory 803, and is further configured to:
- the second type of PDCP is used for all bearers in the RRC re-establishment process. Match; or
- the processor 801 reads the program in the memory 803, and is further configured to:
- all bearers in the RRC re-establishment process are re-allocated using the second type PDCP.
- the processor 801 reads the program in the memory 803, and is further configured to:
- mapping of the key of the NR core network to the LTE core network key is performed, and the key used by the LTE air interface is obtained.
- the processor 801 reads the program in the memory 803, and is further configured to:
- the original configuration is reserved for the bearer in the RRC reestablishing process, or Reusing the first type of PDCP for all bearers in the RRC reestablishment process;
- the terminal uses the second type of PDCP configuration signaling radio bearer SRB1, and determines that the PDCP type supported by the target network to be accessed by the terminal is not the second type of PDCP, but fails to parse the RRC reestablishment complete message, and sends the rejection of the RRC. Rebuild completed message.
- the processor 801 reads the program in the memory 803, and is further configured to:
- the measurement radio link failure report carries global cell identification code CGI information, where the CGI information includes: a main public land mobile network PLMN.
- the foregoing embodiment method can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is better.
- Implementation Based on such understanding, the technical solution of the present disclosure, which is essential or contributes to the related art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk, CD-ROM).
- the instructions include a number of instructions for causing a terminal (which may be a cell phone, computer, server, air conditioner, or network device, etc.) to perform the methods described in various embodiments of the present disclosure.
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Abstract
Description
Claims (35)
- 一种无线资源控制RRC连接重建的承载配置方法,应用于网络设备,包括:接收到终端发送的RRC重建完成消息时,确定所述终端要接入的目标网络支持的分组数据汇聚协议PDCP类型;PDCP类型包括:支持第一网络的第一类型PDCP或者支持第二网络的第二类型PDCP;根据确定的所述PDCP类型,对RRC后续过程中的承载进行重配置。
- 根据权利要求1所述的无线资源控制RRC连接重建的承载配置方法,其中,根据确定的所述PDCP类型,对RRC后续过程中的承载进行重配置的步骤包括:检测到所述终端使用所述第一类型PDCP配置信令无线承载SRB1,且确定所述终端要接入的目标网络支持的PDCP类型是所述第二类型PDCP时,对RRC重建过程中的所有承载使用所述第二类型PDCP进行重配;或者检测到所述终端使用所述第一类型PDCP配置信令无线承载SRB1,且确定所述终端要接入的目标网络支持的PDCP类型不是所述第二类型PDCP时,对RRC重建过程中的所有承载使用所述第一类型PDCP进行重配。
- 根据权利要求2所述的无线资源控制RRC连接重建的承载配置方法,其中,对RRC重建过程中的所有承载使用所述第二类型PDCP进行重配,包括:通过重配信令对RRC重建过程中的所有承载使用所述第二类型PDCP进行重配;或者,在RRC重建过程中预设消息传输或满足预定条件之后,对RRC重建过程中的所有承载使用所述第二类型PDCP进行重配。
- 根据权利要求2所述的无线资源控制RRC连接重建的承载配置方法,其中,对RRC重建过程中的所有承载使用所述第一类型PDCP进行重配之后,还包括:进行QoS流到演进分组系统EPS承载的映射;删除已经建立的业务数据适配协议SDAP实体;进行NR核心网的密钥到LTE核心网密钥的映射转换,得到LTE空口使用的密钥。
- 根据权利要求1所述的无线资源控制RRC连接重建的承载配置方法,其中,根据确定的所述PDCP类型,对RRC后续过程中的承载进行重配置的步骤包括:检测到所述终端使用所述第二类型PDCP配置信令无线承载SRB1,且确定所述终端要接入的目标网络支持的PDCP类型是所述第二类型PDCP时,对RRC重建过程中的承载保留原有的配置,或者,对RRC重建过程中的所有承载使用所述第一类型PDCP进行重配;或者,检测到所述终端使用所述第二类型PDCP配置信令无线承载SRB1,且确定所述终端要接入的目标网络支持的PDCP类型不是所述第二类型PDCP,但可以解析RRC重建完成消息时,对RRC重建过程中的所有承载使用所述第一类型PDCP进行重配;或者,检测到所述终端使用所述第二类型PDCP配置信令无线承载SRB1,且确定所述终端要接入的目标网络支持的PDCP类型不是所述第二类型PDCP,但不能解析RRC重建完成消息时,发送拒绝所述RRC重建完成消息。
- 根据权利要求1所述的无线资源控制RRC连接重建的承载配置方法,还包括:接收所述终端发送的测量无线链路失败报告,所述测量无线链路失败报告中携带有全球小区识别码CGI信息,所述CGI信息中包括:主公共陆地移动网络PLMN。
- 一种无线资源控制RRC连接重建的承载配置方法,应用于终端,包括:确定发送RRC重建完成消息时,对信令无线承载SRB1进行分组数据汇聚协议PDCP配置的PDCP类型,所述PDCP类型包括:支持第一网络的第一类型PDCP或者支持第二网络的第二类型PDCP;根据所述PDCP配置的PDCP类型,向网络设备发送RRC重建完成消息。
- 根据权利要求7所述的无线资源控制RRC连接重建的承载配置方法,其中,所述确定发送RRC重建完成消息时,对信令无线承载SRB1进行分组 数据汇聚协议PDCP配置的PDCP类型的步骤,包括:确定发送RRC重建完成消息时,对信令无线承载SRB1进行分组数据汇聚协议PDCP配置的PDCP类型为所述第一类型PDCP。
- 根据权利要求7所述的无线资源控制RRC连接重建的承载配置方法,其中,确定发送RRC重建完成消息时,对信令无线承载SRB1进行PDCP配置的PDCP类型的步骤包括:根据预先定义的方式或者在检测到目标接入网络支持的PDCP类型不是所述第二类型PDCP或终端接入超时,确定发送RRC重建完成消息时,对所述信令无线承载SRB1进行分组数据汇聚协议PDCP配置的PDCP类型回退为所述第一类型PDCP。
- 根据权利要求8或9所述的无线资源控制RRC连接重建的承载配置方法,其中,向所述网络设备发送RRC重建完成消息后还包括:进行QoS流到演进分组系统EPS承载的映射;删除已经建立的业务数据适配协议SDAP实体;进行NR核心网的密钥到LTE核心网密钥的映射转换,得到LTE空口使用的密钥。
- 根据权利要求7所述的无线资源控制RRC连接重建的承载配置方法,其中,确定发送RRC重建完成消息时,对信令无线承载SRB1进行PDCP配置的PDCP类型的步骤包括:根据预先定义的方式或者在检测到接入的目标网络支持的PDCP类型为所述第二类型PDCP时,确定发送RRC重建完成消息时,对所述信令无线承载SRB1进行分组数据汇聚协议PDCP配置的PDCP类型为所述第二类型PDCP。
- 根据权利要求11所述的无线资源控制RRC连接重建的承载配置方法,向所述网络设备发送RRC重建完成消息之前,还包括:根据待重建的网络制式,采用NR RRC重建请求消息发起RRC重建请求;或者,采用LTE RRC重建请求消息发起RRC重建请求。
- 根据权利要求12所述的无线资源控制RRC连接重建的承载配置方 法,其中,还包括:无线链路控制RLC使用对应制式的默认配置,并通过空口资源配置信令重配终端的RLC、媒体接入控制MAC和物理层PHY。
- 根据权利要求13所述的无线资源控制RRC连接重建的承载配置方法,其中,发起RRC重建请求之前,还包括:向网络设备发送无线链路失败报告,所述无线链路失败报告中携带有全球小区识别码CGI信息,所述CGI信息中包括:主公共陆地移动网络PLMN。
- 根据权利要求14所述的无线资源控制RRC连接重建的承载配置方法,其中,所述CGI信息包括:LTE核心网的PLMN列表和NR核心网的PLMN列表;或者所述NR核心网的PLMN列表;或者所述LTE核心网的PLMN列表。
- 根据权利要求15所述的无线资源控制RRC连接重建的承载配置方法,其中,所述主PLMN为LTE核心网的PLMN列表中的第一个;或者所述主PLMN为NR核心网的PLMN列表中的第一个;或者在LTE核心网的PLMN列表和NR核心网的PLMN列表同时存在的情况下,所述主PLMN为LTE核心网的PLMN列表中的第一个;或者在LTE核心网的PLMN列表和NR核心网的PLMN列表同时存在的情况下,所述主PLMN为NR核心网的PLMN列表中的第一个;或者在LTE核心网的PLMN列表和NR核心网的PLMN列表同时存在的情况下,且LTE核心网的PLMN列表为无效值时,所述主PLMN为NR核心网的PLMN列表中的第一个;或者在终端处于LTE核心网的非接入层的情况下,所述主PLMN为LTE核心网的PLMN列表中的第一个;或者在终端处于NR核心网的非接入层的情况下,所述主PLMN为NR核心网的PLMN列表中的第一个。
- 一种网络设备,包括:第一接收模块,用于接收到终端发送的RRC重建完成消息时,确定所述终端要接入的目标网络支持的分组数据汇聚协议PDCP类型;PDCP类型包 括:支持第一网络的第一类型PDCP或者支持第二网络的第二类型PDCP;重配置模块,用于根据确定的所述PDCP类型,对RRC后续过程中的承载进行重配置。
- 根据权利要求17所述的网络设备,其中,所述重配置模块用于检测到所述终端使用第一类型PDCP配置信令无线承载SRB1,且确定所述终端要接入的目标网络支持的PDCP类型是所述第二类型PDCP时,对RRC重建过程中的所有承载使用所述第二类型PDCP进行重配;或者,用于检测到所述终端使用所述第一类型PDCP配置信令无线承载SRB1,且确定所述终端要接入的目标网络支持的PDCP类型不是所述第二类型PDCP时,对RRC重建过程中的所有承载使用所述第一类型PDCP进行重配。
- 根据权利要求18所述的网络设备,其中,所述重配置模块用于通过重配信令对RRC重建过程中的所有承载使用所述第二类型PDCP进行重配;或者,用于在RRC重建过程中预设消息传输或满足预定条件之后,对RRC重建过程中的所有承载使用所述第二类型PDCP进行重配。
- 根据权利要求18所述的网络设备,还包括:第一映射模块,用于进行QoS流到演进分组系统EPS承载的映射;第一删除模块,用于删除已经建立的业务数据适配协议SDAP实体;第一转换模块,用于进行NR核心网的密钥到LTE核心网密钥的映射转换,得到LTE空口使用的密钥。
- 根据权利要求17所述的网络设备,其中,所述重配置模块用于检测到所述终端使用所述第二类型PDCP配置信令无线承载SRB1,且确定所述终端要接入的目标网络支持的PDCP类型是所述第二类型PDCP时,对RRC重建过程中的承载保留原有的配置,或者,对RRC重建过程中的所有承载使用所述第一类型PDCP进行重配;或者,用于检测到所述终端使用所述第二类型PDCP配置信令无线承载SRB1,且确定终端要接入的目标网络支持的PDCP类型不是所述第二类型PDCP,但可以解析RRC重建完成消息时,对RRC重建过程中的所有承载使用第一类型PDCP进行重配;或者,用于检测到所述终端使用所述第二类型PDCP配置信令无线承载SRB1,且确定终端要接入的目标网络支持的PDCP类型不是所述第二类型PDCP,但不能解析RRC重建完成消息时,发送拒绝所述RRC重建完成消息。
- 根据权利要求17所述的网络设备,还包括:第二接收模块,用于接收终端发送的测量无线链路失败报告,所述测量无线链路失败报告中携带有全球小区识别码CGI信息,所述CGI信息中包括:主公共陆地移动网络PLMN。
- 一种网络设备,包括:存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序,所述计算机程序被所述处理器执行时实现如权利要求1至6中任一项所述线资源控制RRC连接重建的承载配置方法的步骤。
- 一种终端,包括:确定模块,用于确定发送RRC重建完成消息时,对信令无线承载SRB1进行分组数据汇聚协议PDCP配置的PDCP类型,所述PDCP类型包括:支持第一网络的第一类型PDCP或者支持第二网络的第二类型PDCP;第一发送模块,用于根据所述PDCP配置的PDCP类型,向网络设备发送RRC重建完成消息。
- 根据权利要求24所述的终端,其中,所述确定模块用于确定发送RRC重建完成消息时,对信令无线承载SRB1进行分组数据汇聚协议PDCP配置的PDCP类型为所述第一类型PDCP。
- 根据权利要求24所述的终端,其中,所述确定模块用于根据预先定义的方式或者在检测到目标接入网络支持的PDCP类型不是所述第二类型PDCP或终端接入超时,确定发送RRC重建完成消息时,对所述信令无线承载SRB1进行分组数据汇聚协议PDCP配置的PDCP类型回退为所述第一类型PDCP。
- 根据权利要求25或26所述的终端,其中,还包括:第二映射模块,用于进行QoS流到演进分组系统EPS承载的映射;第二删除模块,用于删除已经建立的业务数据适配协议SDAP实体;第二转换模块,用于进行NR核心网的密钥到LTE核心网密钥的映射转换,得到LTE空口使用的密钥。
- 根据权利要求24所述的终端,其中,所述确定模块用于根据预先定义的方式或者在检测到接入的目标网络支持的PDCP类型为所述第二类型PDCP时,确定发送RRC重建完成消息时,对所述信令无线承载SRB1进行分组数据汇聚协议PDCP配置的PDCP类型为所述第二类型PDCP。
- 根据权利要求28所述的终端,其中,所述第一发送模块用于根据待重建的网络制式,采用NR RRC重建请求消息发起RRC重建请求;或者采用LTE RRC重建请求消息发起RRC重建请求。
- 根据权利要求29所述的终端,还包括:配置模块,用于控制无线链路控制RLC使用对应制式的默认配置,并通过空口资源配置信令重配终端的RLC、媒体接入控制MAC和物理层PHY配置。
- 根据权利要求29所述的终端,还包括:第二发送模块,用于在所述第一发送模块发起RRC重建请求之前,向网络设备发送无线链路失败报告,所述无线链路失败报告中携带有全球小区识别码CGI信息,所述CGI信息中包括:主公共陆地移动网络PLMN。
- 根据权利要求31所述的终端,其中,所述CGI信息包括:LTE核心网的PLMN列表和NR核心网的PLMN列表;或者所述NR核心网的PLMN列表;或者所述LTE核心网的PLMN列表。
- 根据权利要求32所述的终端,其中,所述主PLMN为LTE核心网的PLMN列表中的第一个;或者所述主PLMN为NR核心网的PLMN列表中的第一个;或者在LTE核心网的PLMN列表和NR核心网的PLMN列表同时存在的情况下,所述主PLMN为LTE核心网的PLMN列表中的第一个;或者在LTE核心网的PLMN列表和NR核心网的PLMN列表同时存在的情况下,所述主PLMN为NR核心网的PLMN列表中的第一个;或者在LTE核心网的PLMN列表和NR核心网的PLMN列表同时存在的情况下,且LTE核心网的PLMN列表为无效值时,所述主PLMN为NR核心网的PLMN列表中的第一个;或者在终端处于LTE核心网的非接入层的情况下,所述主PLMN为LTE核心网的PLMN列表中的第一个;或者在终端处于NR核心网的非接入层的情况下,所述主PLMN为NR核心网的PLMN列表中的第一个。
- 一种终端,包括:存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序,所述计算机程序被所述处理器执行时实现如权利要求7至16中任一项所述无线资源控制RRC连接重建的承载配置方法的步骤。
- 一种计算机可读存储介质,其中,所述计算机可读存储介质上存储有计算机程序,所述计算机程序被处理器执行时实现如权利要求1至6中任一项或者实现7至16中任一项所述无线资源控制RRC连接重建的承载配置方法的步骤。
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