Granted Patent B2

US 12,341,656 · App. 17/727,196 · Granted Jun 24, 2025

Inventors: Jiankang Wang (Beijing, CN); Jiajia Wang (Beijing, CN); Xiaohui Yang (Beijing, CN); Yi Zhao (Beijing, CN); Zhichun Shen (Beijing, CN); Lin Li (Beijing, CN); Min Mao (Beijing, CN); Qixin Huang (Beijing, CN); Shoufeng Wang (Beijing, CN); Xiaoyu Li (Beijing, CN)

Assignee: Samsung Electronics Co., Ltd.

H04L41/0836H04L41/082H04L41/0886H04L41/0894

Abstract

Claims (74)

1. A method performed by a radio access network (RAN) intelligent controller (RIC), the method comprising:

receiving, from at least one of a base station or an external server, first information related to coverage levels of the base station and second information related to terminals, the first information and the second information being identified by the at least one of the terminals, the base station, or the external server during a first period;

determining service distribution information of a cell of the base station serving the terminals based on the first information and the second information, the service distribution information including distribution information of the terminals distributed based on the coverage levels;

based on the service distribution information, determining a coverage level configuration for use during a second period, the coverage level configuration including at least one of a number of coverage levels of the cell or a threshold to classify coverage levels, and a resource configuration corresponding to each of the coverage levels of the cell; and

transmitting the coverage level configuration and the resource configuration to the base station.

2. The method of claim 1 , wherein the service distribution information further includes:

distribution information of service delays distributed based on the coverage levels, distribution information of service throughput capacities distributed based on the coverage levels, or distribution information of service occurrences distributed based on the coverage levels.

3. The method of claim 1 ,

wherein the second information related to the terminals includes a reception signal strength identified by the terminals during the first period, location information related to the terminals identified by the external server during the first period, and feature information related to the terminals including a service period and periodic reporting time identified by the external server during the first period.

4. The method of claim 1 ,

wherein the first information related to the coverage levels of the base station includes a coverage level configuration including a threshold to classify coverage levels identified by the base station during the first period and a resource configuration corresponding to each of the coverage levels identified by the base station during the first period.

5. The method of claim 1 , wherein the determining of the service distribution information of the cell of the base station serving the terminals based on the first information and the second information comprises:

determining the distribution information of the terminals distributed based on the coverage levels during the first period; and

determining an access capacity of a random access channel (RACH) related to the base station.

6. The method of claim 1 , further comprising:

based on the service distribution information, predicting service distribution information of the cell of the base station during the second period after the first period by:

inputting the service distribution information of the cell of the base station during N service periods included in the first period into a trained model;

predicting the service distribution information of the cell of the base station during the second period after the first period through the trained model; and

obtaining distribution information of the terminals within a first service period after the N service periods included in the first period, and

wherein the N being a positive integer,

wherein the second period comprises the first service period,

wherein the service distribution information of the cell of the base station during the first period is used to characterize distribution information of the terminals within the N service periods, and

wherein the service distribution information of the cell of the base station during the second period is used to characterize the distribution information of the terminals within the first service period.

7. The method of claim 6 , further comprising:

based on the service distribution information of the cell of the base station during the second period, determining the coverage level configuration for use during the second period; and

determining the resource configuration corresponding to each of the coverage levels based on the service distribution information of the cell of the base station during the second period and the coverage level configuration for use during the second period.

8. The method of claim 7 , wherein the determining of the resource configuration corresponding to each of the coverage levels comprises:

based on the threshold to classify the coverage levels, determining a number of repetitions for transmission of resources of the terminals corresponding to each of the coverage levels, a modulation and coding scheme (MCS) configuration of a resource corresponding to each of the coverage levels, the resource including at least one of a physical downlink control channel (PDCCH), a physical downlink shared channel (PDSCH), a physical uplink shared channel (PUSCH), or uplink control information (UCI);

based on the service distribution information of the cell of the base station during the second period and the threshold to classify the coverage levels, determining the number of coverage levels and a number of the terminals corresponding to each of the coverage levels; and

based on the number of the terminals corresponding to each of the coverage levels and an access capacity of a random access channel (RACH) related to base station, determining another resource configuration of the RACH corresponding to each of the coverage levels,

wherein the resource configuration corresponding to each of the coverage levels includes the number of repetitions for transmission of the resource corresponding to each of the coverage levels, the MCS configuration of the resource corresponding to each of the coverage levels, and the other resource configuration of the RACH corresponding to each of the coverage levels, and

wherein the other resource configuration of the RACH corresponding to each of the coverage levels includes at least one of a number of repetitions for transmission of a random access preamble, a number of RACH subcarriers, or an RACH period.

9. The method of claim 8 , further comprising:

in response to changing the number of the coverage levels and the threshold to classify the coverage levels, adjusting the number of repetitions for transmission of the resource and the MCS configuration of the resource; or

after determining the number of the coverage levels and the threshold to classify the coverage levels, adjusting the number of repetitions for transmission of the resource and the MCS configuration of the resource.

10. The method of claim 9 , wherein the adjusting of the number of repetitions for transmission of the resource comprises at least one of the following:

adjusting a number of repetitions for transmission of the PDCCH, which comprises adjusting a number of repetitions for transmission of at least one of message 2 (msg2), message 3 (msg3), or message 4 (msg4) in a common search space, and a number of repetitions for transmission of a dedicated search space;

adjusting a number of repetitions for transmission of the PDSCH, which comprises adjusting at least one of a number of repetitions for transmission of a PDSCH carrying the msg2, a number of repetitions for transmission of a PDSCH carrying the msg4, or a number of repetitions for transmission of a PDSCH carrying downlink signaling and data in a connected state;

adjusting a number of repetitions for transmission of the PUSCH, which comprises adjusting at least one of a number of repetitions for transmission of the PUSCH carrying the msg3, or a number of repetitions for transmission of a PUSCH carrying uplink signaling and data in the connected state; or

adjusting a number of repetitions for transmission of the UCI, which comprises adjusting at least one of a number of repetitions for transmission of a PUSCH carrying downlink transmission acknowledgment (ACK) and/or negative acknowledgment (NACK), or a number of repetitions for transmission of a PUCCH carrying downlink transmission ACK and/or NACK.

11. The method of claim 9 , wherein the adjusting of the MCS configuration of the resource comprises at least one of:

adjusting an MCS configuration of the PDSCH, which comprises adjusting at least one of the MCS configuration of the PDSCH carrying a msg2, the MCS configuration of the PDSCH carrying a msg4, or the MCS configuration of the PDSCH carrying downlink signaling and data in a connected state; or

adjusting an MCS configuration of the PUSCH, which comprises adjusting at least one of the MCS configuration of the PUSCH carrying a msg3, or the MCS configuration of the PUSCH carrying signaling and data in the connected state.

12. The method of claim 1 , wherein the

RIC is one of a near-real-time RIC (near-RT RIC) and a non-RT RIC.

13. The method of claim 1 , wherein the

base station comprises open radio access network (O-RAN) control unit control plane (O-CU-CP), O-RAN control unit user plane (O-CU-UP), and O-RAN data unit (O-DU).

14. The method of claim 1 , wherein the terminals are internet of things (IoT) terminals.

15. A device of a radio access network (RAN) intelligent controller (RIC), comprising:

at least one processor; and

memory storing instructions which, when executed by the at least one processor individually and/or collectively, cause the device to:

receive, from at least one of a base station or an external server, first information related to coverage levels of the base station and second information related to terminals, the first information and the second information being identified by the at least one of the terminals, the base station, or the external server during a first period,

determine service distribution information of a cell of the base station serving the terminals based on the first information and the second information, the service distribution information including distribution information of the terminals distributed based on the coverage levels,

based on the service distribution information, determine a coverage level configuration for use during a second period, the coverage level configuration including at least one of a number of coverage levels of the cell or a threshold to classify coverage levels, and a resource configuration corresponding to each of the coverage levels of the cell, and

transmit the coverage level configuration and the resource configuration to the base station.

16. The device of claim 15 , wherein the

service distribution information further includes:

distribution information of service delays distributed based on the coverage levels, distribution information of service throughput capacities distributed based on the coverage levels, or distribution information of service occurrences distributed based on the coverage levels.

17. The device of claim 15 , wherein the second information related to the terminals includes a reception signal strength identified by the terminals during the first period, location information related to the terminals identified by the external server during the first period, and feature information related to the terminals including a service period and periodic reporting time identified by the external server during the first period.

18. The device of claim 15 , wherein the first information related to the coverage levels of the base station includes a coverage level configuration including a threshold to classify coverage levels identified by the base station during the first period and a resource configuration corresponding to each of coverage levels identified by the base station during the first period.

19. The device of claim 15 ,

wherein the instructions, when executed by the at least one processor individually and/or collectively, cause the device to:

based on the service distribution information, predict service distribution information of the cell of the base station during the second period after the first period by:

inputting the service distribution information of the cell of the base station during N service periods included in the first period into a trained model;

predicting the service distribution information of the cell of the base station during the second period after the first period through the trained model; and

obtaining distribution information of the terminals within a first service period after the N service periods included in the first period,

wherein the N being a positive integer,

wherein the second period comprises the first service period,

wherein the service distribution information of the cell of the base station during the first period is used to characterize distribution information of the terminals within the N service periods, and

wherein the service distribution information of the cell of the base station during the second period is used to characterize the distribution information of the terminals within the first service period.

20. The device of claim 15 ,

wherein the RIC is one of a near-real-time RIC (near-RT RIC) and a non-RT RIC,

wherein the base station comprises open radio access network (O-RAN) control unit control plane (O-CU-CP), O-RAN control unit user plane (O-CU-UP), and O-RAN data unit (O-DU), and

wherein the terminals are internet of things (IoT) terminals.

Assignments (1)

Priority Claims (1)

Continuity (2)

References Cited (35)