Reconfiguration method and related products
View Patent ↗Embodiments of the present disclosure provide a reconfiguration method and related products, where the method includes: receiving, by a user equipment, a reconfiguration instruction from a network device, wherein the reconfiguration instruction is used to instruct reconfiguration of a PDCP layer; reconfiguring the PDCP layer and transmitting an EM) by the user equipment. Embodiments of the present disclosure can prevent other bearers from being affected by a change in the PDCP layer, thereby ensuring data continuity of other services.
1. A reconfiguration method, comprising:
receiving, by a user equipment, a reconfiguration instruction from a network device, wherein the reconfiguration instruction is used to instruct reconfiguration of a packet data convergence protocol (PDCP) layer; and
reconfiguring the PDCP layer and transmitting an end-marker (EM), by the user equipment;
when the EM is defined only in a new radio (NR) PDCP protocol and reconfiguration of the PDCP layer of the user equipment is to switch from a long term evolution (LTE) PDCP to an NR PDCP, before the user equipment transmits the EM, the method further comprising: performing, by the user equipment, resetting processing, wherein the resetting processing comprises at least one of: resetting a robust header compression (ROHC), resetting a protocol data unit (PDU) sequence number (SN), and resetting a hyper frame number (HFN); and
when the EM is defined only in an NR PDCP protocol and reconfiguration of the PDCP layer of the user equipment is to switch from an NR PDCP to an LTE PDCP, or when the EM is defined in both the NR PDCP protocol and an LTE PDCP protocol, after the user equipment transmits the EM, the method further comprises: performing, by the user equipment, resetting processing, wherein the resetting processing comprises at least one of: resetting a ROHC, resetting a PDU SN, and resetting a HFN.
2. The method according to claim 1 , wherein the EM does not comprise a log sequence number (LSN) field, and a protocol data unit (PDU) type comprised in the EM is different from a PDU type comprised in an EM defined in a long term evolution (LTE) protocol; or the EM comprises an LSN field, and each LSN field comprised in the EM is set to a set value.
3. The method according to claim 1 , wherein after the user equipment performs the resetting processing, the method further comprises:
receiving, by the user equipment, a status report from the network device;
transmitting, by the user equipment, a PDU according to the status report.
4. The method according to claim 1 , wherein the reconfiguration instruction comprises a key and/or an integrity check information parameter, and the method further comprises:
performing, by the user equipment, encryption processing on a PDU to be transmitted according to the key; and/or, performing, by the user equipment, integrity check processing on the PDU to be transmitted according to the integrity check information parameter;
transmitting, by the user equipment, the processed PDU.
5. The method according to claim 1 , wherein the method further comprises:
transmitting, by the user equipment, an LTE PDCP PDU from the PDCP layer of the user equipment to a RLC layer of a LTE-side of the user equipment.
6. The method according to claim 1 , wherein the transmitting an EM by the user equipment comprises:
transmitting, by the user equipment, an EM from the PDCP layer of the user equipment to a RLC layer of a LTE-side of the user equipment.
7. A user equipment, comprising a processor, a transceiver and a memory, wherein:
the transceiver is configured to receive a reconfiguration instruction from a network device, wherein the reconfiguration instruction is used to instruct reconfiguration of a packet data convergence protocol (PDCP) layer;
the memory has executable instructions stored thereon that when executed by the processor cause the processor to: reconfigure the PDCP layer; and
the transceiver is further configured to transmit an end-marker (EM);
when the EM is defined only in a new radio (NR) PDCP protocol and reconfiguration of the PDCP layer of the user equipment is to switch from a long term evolution (LTE) PDCP to an NR PDCP, before transmitting the EM, the memory further has executable instructions stored thereon that when executed by the processor cause the processor to: perform resetting processing, wherein the resetting processing comprises at least one of: resetting a robust header compression (ROHC), resetting a protocol data unit (PDU) sequence number (SN), and resetting a hyper frame number (HFN); and
when the EM is defined only in an NR PDCP protocol and reconfiguration of the PDCP layer of the user equipment is to switch from an NR PDCP to an LTE PDCP, or when the EM is defined in both the NR PDCP protocol and an LTE PDCP protocol, after transmitting the EM, the memory further has executable instructions stored thereon that when executed by the processor cause the processor to: perform resetting processing, wherein the resetting processing comprises at least one of: resetting a ROHC, resetting a PDU SN, and resetting a HFN.
8. The user equipment according to claim 7 , wherein after performing the resetting processing, the transceiver is further configured to:
receive a status report from the network device; and
transmit a PDU according to the status report.
9. The user equipment according to claim 8 , wherein when the reconfiguring the PDCP layer is to change from the LTE PDCP to the NR PDCP, a format of the status report is a format of an NR PDCP status report; or, when the reconfiguring the PDCP layer is to change from the NR PDCP to the LTE PDCP, a format of the status report is a format of a LTE PDCP status report.
10. The user equipment according to claim 7 , wherein the reconfiguration instruction comprises at least one of a key and an integrity check information parameter, and the memory further has executable instructions stored thereon that when executed by the processor cause the processor to:
perform at least one of: encryption processing on a PDU to be transmitted according to the key; and, integrity check processing on the PDU to be transmitted according to the integrity check information parameter; and
the transceiver is further configured to transmit the processed PDU.
11. The user equipment according to claim 7 , wherein the transceiver is further configured to:
transmit an LTE PDCP PDU from the PDCP layer of the user equipment to a RLC layer of a LTE-side of the user equipment.
12. The user equipment according to claim 7 , wherein the transceiver is further configured to:
transmit the EM from the PDCP layer of the user equipment to a RLC layer of a LTE-side of the user equipment.
13. The user equipment according to claim 7 , wherein the EM does not comprise a log sequence number (LSN) field, and a PDU type comprised in the EM is different from a PDU type comprised in an EM defined in a LTE protocol; or the EM comprises an LSN field, and each LSN field comprised in the EM is set to a set value.
14. The user equipment according to claim 7 , wherein when the reconfiguring the PDCP layer is to change from the LTE PDCP to the NR PDCP, a format of the EM is a format of an LTE PDCP EM; or, when the reconfiguring the PDCP layer is to change from the NR PDCP to the LTE PDCP, a format of the EM is a format of an NR PDCP EM.
15. A user equipment, comprising a processor, a transceiver and a memory, wherein:
the transceiver is configured to receive a reconfiguration instruction from a network device, wherein the reconfiguration instruction is used to instruct reconfiguration of a packet data convergence protocol (PDCP) layer;
the memory has executable instructions stored thereon that when executed by the processor cause the processor to: reconfigure the PDCP layer; and
the transceiver is further configured to receive an end-marker (EM) from the network device;
when the EM is defined only in a new radio (NR) PDCP protocol and reconfiguration of the PDCP layer of the user equipment is to switch from a long term evolution (LTE) PDCP to an NR PDCP, before receiving the EM from the network device, the memory further has executable instructions stored thereon that when executed by the processor cause the processor to: perform resetting processing, wherein the resetting processing comprises at least one of: resetting a robust header compression (ROHC), resetting a protocol data unit (PDU) sequence number (SN), and resetting a hyper frame number (HFN); and
when the EM is defined only in an NR PDCP protocol and reconfiguration of the PDCP layer of the user equipment is to switch from an NR PDCP to an LTE PDCP, or when the EM is defined in both the NR PDCP protocol and an LTE PDCP protocol, after receiving the EM from the network device, the memory further has executable instructions stored thereon that when executed by the processor cause the processor to: perform resetting processing, wherein the resetting processing comprises at least one of: resetting a ROHC, resetting a PDU SN, and resetting a HFN.
16. The user equipment according to claim 15 , wherein after performing the resetting processing, the transceiver is further configured to:
transmit a status report to the network device, wherein the status report is used by the network device to determine a PDU to be transmitted to the user equipment.
17. The user equipment according to claim 16 , wherein when the reconfiguring the PDCP layer is to change from the LTE PDCP to the NR PDCP, a format of the status report is a format of an NR PDCP status report; or, when the reconfiguring the PDCP layer is to change from the NR PDCP to the LTE PDCP, a format of the status report is a format of a LTE PDCP status report.
18. The user equipment according to claim 15 , wherein the reconfiguration instruction comprises at least one of a key and an integrity check information parameter, and the transceiver is further configured to:
receive a PDU from the network device; and
the memory further has executable instructions stored thereon that when executed by the processor cause the processor to: perform at least one of decryption processing on a received PDU according to the key; and, integrity check processing on the received PDU according to the integrity check information parameter.
19. The user equipment according to claim 15 , wherein the EM does not comprise a log sequence number (LSN) field, and a PDU type comprised in the EM is different from a PDU type comprised in an EM defined in the LTE protocol; or the EM comprises an LSN field, and each LSN field comprised in the EM is set to a set value.
20. The user equipment according to claim 15 , wherein when the reconfiguring the PDCP layer is to change from the LTE PDCP to the NR PDCP, a format of the EM is a format of an LTE PDCP EM; or, when the reconfiguring the PDCP layer is to change from the NR PDCP to the LTE PDCP, a format of the EM is a format of an NR PDCP EM.