Granted Patent B2

US 12,207,230 · App. 17/854,672 · Granted Jan 21, 2025

Inventors: Xiubin Sha (Shenzhen, CN); Bo Dai (Shenzhen, CN); Ting Lu (Shenzhen, CN); Jianxun Ai (Shenzhen, CN); Xu Liu (Shenzhen, CN)

Assignee: ZTE Corporation

H04W68/02H04W48/08

Abstract

Claims (45)

1. A method performed by a wireless communication device, the method comprising:

transmitting a first message to a wireless communication node, wherein the first message comprises information related to tracking area code (TAC) characteristics of the wireless communication device;

receiving a second message from the wireless communication node, wherein the second message comprises information about a paging resource configuration for the wireless communication device, wherein the paging resource configuration comprises information related to at least one of: a first search space of the wireless communication device; a radio network temporary identifier (RNTI) associated with the first search space; a second search space of the wireless communication device; or a radio network temporary identifier (RNTI) associated with the second search space;

receiving a third message based on the paging resource configuration;

monitoring a physical downlink control channel (PDCCH) in the first search space, wherein the third message is received based on monitoring the PDCCH; and

monitoring a PDCCH in the second search space based on an indication carried by at least one of: the third message, downlink control information (DCI) of the PDCCH in the first search space or a physical downlink shared channel (PDSCH) scheduled in the first search space.

2. The method of claim 1 , wherein

the first message comprises: an access stratum (AS) signaling, a medium access control channel element (MAC CE), or a non-access stratum (NAS) signaling; the AS signaling comprises at least one of: a radio resource control (RRC) message, a user equipment (UE) RRC connection release request, a UE RRC connection release confirmation, a capability information of the wireless communication device, or an auxiliary information of the wireless communication device; the second message comprises a signaling specific to the wireless communication device; and the third message comprises a paging message, or

the information related to TAC characteristics of the wireless communication device comprises information related to at least one of: whether the wireless communication device is stationary; whether the wireless communication device has a slow movement; a movement path of the wireless communication device; historical cells that the wireless communication device ever comped on; a movement direction of the wireless communication device; a movement speed of the wireless communication device; a type of service carried by the wireless communication device; a position of the wireless communication device; an indication that the wireless communication device is coverage enhancement (CE) restricted; an indication that the wireless communication device is CE-ModeB restricted; an indication that the wireless communication device is with lower power class; an indication that the wireless communication device is a reduced capability NR device; an indication that the wireless communication device is a time sensitive communication (TSC) device; an indication that the wireless communication device is a device supporting CE or in CE; a TAC identification; a type or class identification of the wireless communication device; an identification of a strongest neighbor cell of the wireless communication device; a prediction information of a moving path of the wireless communication device; or historical information of connection states of the wireless communication device.

3. The method of claim 1 , wherein

the information related to TAC characteristics of the wireless communication device is utilized to estimate information related to a range for paging associated with the wireless communication device.

4. The method of claim 1 , further comprising:

transmitting a fourth message to the wireless communication node, wherein the fourth message comprises updated information related to the TAC characteristics of the wireless communication device; and

receiving a fifth message from the wireless communication node, wherein the fifth message comprises information about an updated paging resource configuration for the wireless communication device.

5. The method of claim 1 , wherein for each of the first search space and the second search space, the paging resource configuration comprises information related to at least one of: a starting position for monitoring a physical downlink control channel (PDCCH) in the first search space and the second search space; a maximum number of repetitions of the PDCCH; a time interval for monitoring the PDCCH in the first search space and the second search space; or information for determining the time interval.

6. The method of claim 1 , wherein a starting position for monitoring the PDCCH in the second search space is determined based on at least one of: a starting position of a subsequent first search space; an end position of the subsequent first search space; an end position of monitoring a message transmitted on a scheduling resource in the subsequent first search space; or a predetermined time offset.

7. A method performed by a wireless communication node, the method comprising:

receiving a first message from a wireless communication device, wherein the first message comprises information related to tracking area code (TAC) characteristics of the wireless communication device;

transmitting a second message to the wireless communication device, wherein the second message comprises information about a paging resource configuration for the wireless communication device, wherein the paging resource configuration comprises information related to at least one of: a first search space of the wireless communication device; a radio network temporary identifier (RNTI) associated with the first search space; a second search space of the wireless communication device; or a radio network temporary identifier (RNTI) associated with the second search space; and

transmitting a third message based on the paging resource configuration, wherein the third message is transmitted to the wireless communication device when the wireless communication device monitors a physical downlink control channel (PDCCH) in the first search space; and the wireless communication device monitors a PDCCH in the second search space based on an indication carried by at least one of: the third message or a physical downlink shared channel (PDSCH) scheduled in the first search space.

8. The method of claim 7 , wherein:

the first message comprises: an access stratum (AS) signaling, a medium access control channel element (MAC CE), or a non-access stratum (NAS) signaling; the AS signaling comprises at least one of: a radio resource control (RRC) message, a UE RRC connection release request, a UE RRC connection release confirmation, a capability information of the wireless communication device, or an auxiliary information of the wireless communication device; the second message comprises a signaling specific to the wireless communication device; and the third message comprises a paging message, or

the information related to TAC characteristics of the wireless communication device comprises information related to at least one of: whether the wireless communication device is stationary; whether the wireless communication device has a slow movement; a movement path of the wireless communication device; historical cells passed by the wireless communication device; a movement direction of the wireless communication device; a movement speed of the wireless communication device; a type of service carried by the wireless communication device;

a position of the wireless communication device; an indication that the wireless communication device is coverage enhancement (CE) restricted; an indication that the wireless communication device is CE-ModeB restricted; an indication that the wireless communication device is with lower power class; an indication that the wireless communication device is a reduced capability NR device; an indication that the wireless communication device is a time sensitive communication (TSC) device; an indication that the wireless communication device is a device supporting CE or in CE; a TAC identification; a type or class identification of the wireless communication device; an identification of a strongest neighbor cell of the wireless communication device; a prediction information of a moving path of the wireless communication device; or historical information of connection states of the wireless communication device.

9. The method of claim 7 , wherein

the information related to TAC characteristics of the wireless communication device is utilized to estimate information related to a range for paging associated with the wireless communication device.

10. The method of claim 7 , further comprising:

receiving a fourth message from the wireless communication device, wherein the fourth message comprises updated information related to the TAC characteristics of the wireless communication device; and

transmitting a fifth message to the wireless communication device, wherein the fifth message comprises information about an updated paging resource configuration for the wireless communication device.

11. The method of claim 7 , wherein for each of the first search space and the second search space, the paging resource configuration comprises information related to at least one of: a starting position for the wireless communication device to monitor a physical downlink control channel (PDCCH) in the first search space and the second search space; a maximum number of repetitions of the PDCCH; a time interval for the wireless communication device to monitor the PDCCH in the first search space and the second search space; or information for determining the time interval.

12. The method of claim 7 , wherein a starting position for the wireless communication device to monitor the PDCCH in the second search space is determined based on at least one of: a starting position of a subsequent first search space when no PDCCH was detected in the first search space by the wireless communication device; an end position of the subsequent first search space; an end position for the wireless communication device to monitor a message transmitted on a scheduling resource in the subsequent first search space; or a predetermined time offset.

13. A wireless communication device comprising a processor configured to:

transmit a first message to a wireless communication node, wherein the first message comprises information related to tracking area code (TAC) characteristics of the wireless communication device;

receive a second message from the wireless communication node, wherein the second message comprises information about a paging resource configuration for the wireless communication device, wherein the paging resource configuration comprises information related to at least one of: a first search space of the wireless communication device; a radio network temporary identifier (RNTI) associated with the first search space; a second search space of the wireless communication device; or a radio network temporary identifier (RNTI) associated with the second search space;

receive a third message based on the paging resource configuration;

monitor a physical downlink control channel (PDCCH) in the first search space, wherein the third message is received based on monitoring the PDCCH; and

monitor a PDCCH in the second search space based on an indication carried by at least one of: the third message, downlink control information (DCI) of the PDCCH in the first search space or a physical downlink shared channel (PDSCH) scheduled in the first search space.

14. The wireless communication device of claim 13 , wherein

the first message comprises: an access stratum (AS) signaling, a medium access control channel element (MAC CE), or a non-access stratum (NAS) signaling; the AS signaling comprises at least one of: a radio resource control (RRC) message, a user equipment (UE) RRC connection release request, a UE RRC connection release confirmation, a capability information of the wireless communication device, or an auxiliary information of the wireless communication device; the second message comprises a signaling specific to the wireless communication device; and the third message comprises a paging message, or

the information related to TAC characteristics of the wireless communication device comprises information related to at least one of: whether the wireless communication device is stationary; whether the wireless communication device has a slow movement; a movement path of the wireless communication device; historical cells that the wireless communication device ever comped on; a movement direction of the wireless communication device; a movement speed of the wireless communication device; a type of service carried by the wireless communication device; a position of the wireless communication device; an indication that the wireless communication device is coverage enhancement (CE) restricted; an indication that the wireless communication device is CE-ModeB restricted; an indication that the wireless communication device is with lower power class; an indication that the wireless communication device is a reduced capability NR device; an indication that the wireless communication device is a time sensitive communication (TSC) device; an indication that the wireless communication device is a device supporting CE or in CE; a TAC identification; a type or class identification of the wireless communication device; an identification of a strongest neighbor cell of the wireless communication device; a prediction information of a moving path of the wireless communication device; or historical information of connection states of the wireless communication device.

15. The wireless communication device of claim 13 , wherein

the information related to TAC characteristics of the wireless communication device is utilized to estimate information related to a range for paging associated with the wireless communication device.

16. The wireless communication device of claim 13 , wherein the processor is further configured to:

transmit a fourth message to the wireless communication node, wherein the fourth message comprises updated information related to the TAC characteristics of the wireless communication device; and

receive a fifth message from the wireless communication node, wherein the fifth message comprises information about an updated paging resource configuration for the wireless communication device.

Continuity (2)

References Cited (17)