KR20240016935A - Method and apparatus for entity in a wireless communication system - Google Patents

Abstract

This disclosure provides entities in a wireless communication system and methods performed by the same. In a method performed by a user equipment (UE) in a wireless communication system according to embodiments of the present disclosure, receiving a message requesting a random access (RA) report from a base station An operation comprising transmitting an RA report including random access channel (RACH) split configuration information to a base station, wherein the RACH split configuration information indicates the RACH split configuration used for random access, and the RACH fragment configuration information May include feature combination information associated with RACH partition settings.

Description

METHOD AND APPARATUS FOR ENTITY IN A WIRELESS COMMUNICATION SYSTEM}

This disclosure relates to the field of wireless communication technology, and more specifically, the present disclosure relates to methods and devices for entities in wireless communication systems.

5G mobile communication technology defines a wide frequency band to enable fast transmission speeds and new services, and includes sub-6 GHz ('Sub 6GHz') bands such as 3.5 gigahertz (3.5 GHz) as well as millimeter wave (mm) bands such as 28 GHz and 39 GHz. It is also possible to implement it in the ultra-high frequency band ('Above 6GHz') called Wave. In addition, in the case of 6G mobile communication technology, which is called the system of Beyond 5G, Terra is working to achieve a transmission speed that is 50 times faster than 5G mobile communication technology and an ultra-low delay time that is reduced to one-tenth. Implementation in Terahertz (THz) bands (e.g., 3 terahertz bands at 95 GHz) is being considered.

In the early days of 5G mobile communication technology, there were concerns about ultra-wideband services (enhanced Mobile BroadBand, eMBB), ultra-reliable low-latency communications (URLLC), and massive machine-type communications (mMTC). With the goal of satisfying service support and performance requirements, efficient use of ultra-high frequency resources, including beamforming and massive array multiple input/output (Massive MIMO) to alleviate radio wave path loss in ultra-high frequency bands and increase radio transmission distance. Various numerology support (multiple subcarrier interval operation, etc.) and dynamic operation of slot format, initial access technology to support multi-beam transmission and broadband, definition and operation of BWP (Band-Width Part), large capacity New channel coding methods such as LDPC (Low Density Parity Check) codes for data transmission and Polar Code for highly reliable transmission of control information, L2 pre-processing, and dedicated services specialized for specific services. Standardization of network slicing, etc., which provides networks, has been carried out.

Currently, discussions are underway to improve and enhance the initial 5G mobile communication technology, considering the services that 5G mobile communication technology was intended to support, based on the vehicle's own location and status information. V2X (Vehicle-to-Everything) to help autonomous vehicles make driving decisions and increase user convenience, and NR-U (New Radio Unlicensed), which aims to operate a system that meets various regulatory requirements in unlicensed bands. ), NR terminal low power consumption technology (UE Power Saving), Non-Terrestrial Network (NTN), which is direct terminal-satellite communication to secure coverage in areas where communication with the terrestrial network is impossible, positioning, etc. Physical layer standardization for technology is in progress.

In addition, IAB (IAB) provides a node for expanding the network service area by integrating intelligent factories (Industrial Internet of Things, IIoT) to support new services through linkage and convergence with other industries, and wireless backhaul links and access links. Integrated Access and Backhaul, Mobility Enhancement including Conditional Handover and DAPS (Dual Active Protocol Stack) handover, and 2-step Random Access (2-step RACH for simplification of random access procedures) Standardization in the field of wireless interface architecture/protocol for technologies such as NR) is also in progress, and a 5G baseline for incorporating Network Functions Virtualization (NFV) and Software-Defined Networking (SDN) technology Standardization in the field of system architecture/services for architecture (e.g., Service based Architecture, Service based Interface) and Mobile Edge Computing (MEC), which provides services based on the location of the terminal, is also in progress.

When this 5G mobile communication system is commercialized, an explosive increase in connected devices will be connected to the communication network. Accordingly, it is expected that strengthening the functions and performance of the 5G mobile communication system and integrated operation of connected devices will be necessary. To this end, eXtended Reality (XR) and Artificial Intelligence are designed to efficiently support Augmented Reality (AR), Virtual Reality (VR), and Mixed Reality (MR). , AI) and machine learning (ML), new research will be conducted on 5G performance improvement and complexity reduction, AI service support, metaverse service support, and drone communication.

In addition, the development of these 5G mobile communication systems includes new waveforms, full dimensional MIMO (FD-MIMO), and array antennas to ensure coverage in the terahertz band of 6G mobile communication technology. , multi-antenna transmission technology such as Large Scale Antenna, metamaterial-based lens and antenna to improve coverage of terahertz band signals, high-dimensional spatial multiplexing technology using OAM (Orbital Angular Momentum), RIS ( In addition to Reconfigurable Intelligent Surface technology, Full Duplex technology, satellite, and AI (Artificial Intelligence) to improve the frequency efficiency of 6G mobile communication technology and system network are utilized from the design stage and end-to-end. -to-End) Development of AI-based communication technology that realizes system optimization by internalizing AI support functions, and next-generation distributed computing technology that realizes services of complexity beyond the limits of terminal computing capabilities by utilizing ultra-high-performance communication and computing resources. It could be the basis for .

This disclosure relates to the field of wireless communication technology, and more specifically, the present disclosure relates to methods and devices for entities in wireless communication systems.

Embodiments of the present disclosure relate to a method performed by a user equipment (UE) in a wireless communication system, comprising: receiving a message requesting a random access (RA) report from a base station; And transmitting, to the base station, an RA report including random access channel (RACH) split configuration information, wherein the RACH split configuration information indicates the RACH split configuration used for random access, and the RACH split configuration information. May include feature combination information associated with RACH partition settings.

Embodiments of the present disclosure include a transceiver and a controller combined with the transceiver in a user equipment in a wireless communication system, and the controller provides random access from a base station. , RA) is configured to receive a message requesting a report and transmit an RA report containing random access channel (RACH) split configuration information to the base station, and the RACH split configuration information is a RACH split used for random access. Indicates a setting, and the RACH partition setting information may include feature combination information associated with the RACH partition setting.

Embodiments of the present disclosure relate to a method performed by a base station in a wireless communication system, an operation of transmitting a message requesting a random access (RA) report to a user equipment, and the terminal An operation of receiving an RA report including random access channel (RACH) splitting configuration information for random access, wherein the RACH splitting configuration information indicates RACH splitting settings used for random access, and RACH splitting Configuration information may include feature combination information associated with RACH partition configuration.

Embodiments of the present disclosure include a base station in a wireless communication system, a transceiver, and a controller coupled with the transceiver, and the controller provides random access to a user equipment. A message requesting an access, RA) report is sent, and from the terminal, an RA report containing random access channel (RACH) split configuration information for random access is set to be received, and the RACH split configuration information is random. Indicates the RACH partition setting used for access, and the RACH partition setting information may include feature combination information associated with the RACH partition setting.

1 illustrates an example of a system architecture of SAE (system architecture evolution) according to various embodiments of the present disclosure.
2 illustrates an example of a system architecture according to various embodiments of the present disclosure.
3 illustrates a flowchart of a method performed by a first entity in a wireless communication system according to various embodiments of the present disclosure.
4 illustrates a flowchart of a method performed by a second entity in a wireless communication system according to various embodiments of the present disclosure.
5 shows a schematic diagram of a method for supporting network self-optimization according to various embodiments of the present disclosure.
6 shows a schematic diagram of a method for supporting network self-optimization according to various embodiments of the present disclosure.
7 shows a schematic diagram of a method for supporting network self-optimization according to various embodiments of the present disclosure.
8 shows a schematic diagram of a method for supporting network self-optimization according to various embodiments of the present disclosure.
9 shows a schematic diagram of a method for supporting network self-optimization according to various embodiments of the present disclosure.
10 shows a schematic diagram of a method for supporting network self-optimization according to various embodiments of the present disclosure.
11 shows a schematic diagram of a method for supporting network self-optimization according to various embodiments of the present disclosure.
12 shows a schematic diagram of a method for supporting network self-optimization according to various embodiments of the present disclosure.
13 shows a schematic diagram of a method for supporting network self-optimization according to various embodiments of the present disclosure.
14 shows a schematic diagram of a first entity according to various embodiments of the present disclosure.
15 shows a schematic diagram of a second entity according to various embodiments of the present disclosure.
Figure 16 shows a block diagram of a terminal (or user equipment (UE)) according to embodiments of the present disclosure.
17 shows a block diagram of a base station, according to embodiments of the present disclosure.

To meet the increasing demand for wireless data communication services following the deployment of 4G communication systems, efforts have been made to develop improved 5G or pre-5G communication systems. Therefore, the 5G or pre-5G communication system is also called “beyond 4G network” or “post LTE system.”

Wireless communications is the most successful innovation in modern history. Recently, the number of subscribers to wireless communication services has exceeded 5 billion and continues to grow rapidly. As smartphones and other mobile data devices (e.g., tablet computers, notebook computers, netbooks, e-book readers, and mechanical devices) increase in popularity among consumers and businesses, demand for wireless data services is growing rapidly. To meet the rapid growth of mobile data services and support new applications and deployments, it is critical to improve the efficiency and coverage of wireless interfaces.

In a random access process, small data may be transmitted in Message A (MSGA) or Message 3 (MSG3).

Random access resources may be divided according to different characteristics (e.g., Reduced Capability (RedCap), slice, small data transmission, coverage improvement, etc.).

The following description, with reference to the accompanying drawings, is provided to facilitate a comprehensive understanding of various embodiments of the present disclosure as defined by the claims and their equivalents. It contains various specific details to aid understanding, but these should be regarded as illustrative only. Accordingly, those skilled in the art will recognize that various changes and modifications may be made to the various embodiments described herein without departing from the scope and spirit of the present disclosure. Additionally, descriptions of well-known functions and structures may be omitted for clarity and brevity.

The terms and words used in the following description and claims are not limited to bibliographic meanings and are merely used to enable a clear and consistent understanding of the present disclosure. Accordingly, the following description of various embodiments of the present disclosure is provided for illustrative purposes only and not for the purpose of limiting the present disclosure as defined by the appended claims and their equivalents. It will be clear to those skilled in the art.

It should be understood that the singular forms “a”, “which” and “the” include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to a “component surface” includes reference to one or more of such surfaces.

The terms “include” or “may include” refer to the presence of a corresponding disclosed function, operation, or component that can be used in various embodiments of the present disclosure, including one or more additional functions. , does not restrict operations or components. Terms such as “include” and/or “have” may be interpreted as indicating a specific characteristic, number, step, operation, element, component, or combination thereof, but may also refer to one or more other characteristics, It should not be construed as excluding the presence or possibility of addition of numbers, steps, operations, elements, components or combinations thereof.

The term “or” used in various embodiments of the present disclosure includes any or all combinations of the listed words. For example, the expression “A or B” may include A, may include B, or may include both A and B.

Unless defined differently, all terms used in this specification, including technical or scientific terms, have the same meaning as understood by a person skilled in the art to which this disclosure pertains. Such terms, such as terms defined in commonly used dictionaries, should be construed as having the same meanings as their contextual meanings in the relevant technical field, and shall not have idealistic or overly formal meanings unless clearly defined in the present disclosure. It should not be interpreted as having.

Embodiments of the present disclosure provide a method performed by a first entity in a wireless communication system, the method comprising first information including SDT information for SDT based on small data transmission (SDT) configuration information, RACH ( random access channel) at least one of second information including RACH division random access information for random access based on division setting information, and fifth information including SDT setting information and/or RACH division setting information, and transmitting, to two entities, wherein the at least one information is associated with at least one of a first entity and entities other than the first entity.

According to embodiments of the present disclosure, the method performed by the first entity in the wireless communication system: sends fourth information including a request for the SDT information and/or the RACH partitioned random access information, the Receiving, from a second entity, wherein the first information and/or the second information is transmitted by the first entity to the second entity based on the fourth information.

According to embodiments of the present disclosure, the method performed by the first entity in the wireless communication system includes: providing third information indicating that the SDT information is available and/or that the RACH partitioned random access information is available; , to the second entity, wherein the fourth information is transmitted by the first entity to the second entity based on the third information.

According to embodiments of the present disclosure, the method performed by the first entity in the wireless communication system includes: receiving SDT configuration information and/or RACH split configuration information associated with the second entity, from the second entity; The method further includes receiving, wherein at least a portion of the SDT configuration information and/or the RACH partition configuration information associated with the second entity is determined by the second entity based on the fifth information.

According to embodiments of the present disclosure, the at least one information is used by at least one of the first entity and the second entity to make a network self-optimization decision, wherein the network self-optimization decision includes network energy savings, load It may include at least one of balancing, coverage optimization, mobility optimization and/or management, network configuration creation, and/or network configuration updating.

According to embodiments of the present disclosure, the first information includes a user terminal ID (identification), a node ID (identification), a cell ID (identification), an indication that random access is for SDT, and SDT setting information for random access. , Time from random access to information reporting, Time from SDT start to information reporting, Time from SDT radio link failure to information reporting, Time from SDT interruption to information reporting, Time from SDT failure to information reporting, SDT failure Signal quality at time of operation, amount of data remaining after SDT failure, signal quality during random access, amount of data during random access, amount of data when SDT starts, information regarding amount of data in SDT transmission process, data transmitted via SDT amount, amount of data remaining after SDT transmission, time from SDT start to SDT end, time from SDT start to radio link failure, SDT timer status at SDT end, SDT timer status at radio link failure, SDT termination cause, and SDT It may include one or more of the reasons for failure.

According to embodiments of the present disclosure, information related to the amount of data in the SDT transmission process includes the amount of data arrived at in the SDT transmission process, the maximum amount of data in the SDT transmission process, the minimum amount of data in the SDT transmission process, and the SDT It may contain one or more of the average data amounts in the transmission process.

According to embodiments of the present disclosure, the second information includes: user terminal ID (identification), node ID (identification), cell ID (identification), feature priority, RACH split setting, time from random access to information reporting. , available resources during random access, time of random access, time from random access failure to information reporting, time of random access failure, features corresponding to available resources during random access, synchronization signal and physical broadcast. It may include one or more of signal quality corresponding to a channel block (SSB), signal quality corresponding to MSG3, and information for attempting random access.

According to embodiments of the present disclosure, the fifth information includes: node ID (identification), cell ID (identification), SDT configuration information for random access, allowable value of the SDT configuration information for random access, and/or the It may include one or more of a range of allowable values, a RACH split setting, an allowable value of the RACH split settings, and/or a range of the allowable values.

According to embodiments of the present disclosure, the fourth information may include one or more of: a request for SDT information, a request for SDT reporting, a request for RACH partitioned random access information, and a request for RACH partitioned reporting. there is.

According to embodiments of the present disclosure, the third information may include one or more of: SDT information available, SDT reporting available, RACH partitioned random access information available, and RACH partitioned reporting available.

Embodiments of the present disclosure provide a method performed by a second entity in a wireless communication system, the method comprising: first information including SDT information for SDT based on small data transmission (SDT) configuration information, RACH ( random access channel) at least one of second information including RACH split random access information for random access based on split configuration information, and fifth information including the SDT configuration information and/or the RACH split configuration information , receiving, from a first entity, wherein the at least one information is associated with at least one of the first entity and entities other than the first entity.

According to embodiments of the present disclosure, the method performed by the second entity in the wireless communication system: transmits fourth information including a request for the SDT information and/or the RACH partitioned random access information, the and transmitting, to a first entity, wherein the first information and/or the second information are transmitted by the first entity to the second entity based on the fourth information.

According to embodiments of the present disclosure, the method performed by the second entity in the wireless communication system includes: providing third information indicating that the SDT information is available and/or that the RACH partitioned random access information is available; , receiving, from the first entity, wherein the fourth information is sent by the first entity to the second entity based on the third information.

According to embodiments of the present disclosure, the method performed by a second entity in the wireless communication system includes: transmitting, to the first entity, SDT configuration information and/or RACH split configuration information associated with the second entity; Further comprising: wherein at least a portion of the SDT configuration information and/or the RACH partition configuration information associated with the second entity is determined by the second entity based on the fifth information.

According to embodiments of the present disclosure, the at least one information is used by at least one of the first entity and the second entity to make a network self-optimization decision, wherein the network self-optimization decision includes network energy savings, load It may include at least one of balancing, coverage optimization, mobility optimization and/or management, network configuration creation, and/or network configuration updating.

According to embodiments of the present disclosure, the first information includes: user terminal ID (identification), node ID (identification), cell ID (identification), indication that random access is for SDT, and SDT setting information for random access. , Time from random access to information reporting, Time from SDT start to information reporting, Time from SDT radio link failure to information reporting, Time from SDT interruption to information reporting, Time from SDT failure to information reporting, SDT failure Signal quality at time of operation, amount of data remaining after SDT failure, signal quality during random access, amount of data during random access, amount of data when SDT starts, information regarding amount of data in SDT transmission process, data transmitted via SDT amount, amount of data remaining after SDT transmission, time from SDT start to SDT end, time from SDT start to radio link failure, SDT timer status at SDT end, SDT timer status at radio link failure, SDT termination cause, and SDT It may include one or more of the reasons for failure.

According to embodiments of the present disclosure, the data amount related information in the SDT transmission process is: the amount of data arrived at in the SDT transmission process, the maximum data amount in the SDT transmission process, the minimum data amount in the SDT transmission process, and the SDT It may contain one or more of the average data amounts in the transmission process.

According to embodiments of the present disclosure, the second information includes: user terminal ID (identification), node ID (identification), cell ID (identification), feature priority, RACH split setting, time from random access to information reporting. , available resources during random access, time of random access, time from random access failure to information reporting, time of random access failure, features corresponding to available resources during random access, synchronization signal and physical broadcast. It may include one or more of signal quality corresponding to a channel block (SSB), signal quality corresponding to MSG3, and information for attempting random access.

According to embodiments of the present disclosure, the fifth information includes: node ID (identification), cell ID (identification), SDT configuration information for random access, allowable value of the SDT configuration information for random access, and/or the It may include one or more of a range of allowable values, a RACH split setting, an allowable value of the RACH split settings, and/or a range of the allowable values.

According to embodiments of the present disclosure, the fourth information may include one or more of: a request for SDT information, a request for SDT reporting, a request for RACH partitioned random access information, and a request for RACH partitioned reporting. there is.

According to embodiments of the present disclosure, the third information may include one or more of: SDT information available, SDT reporting available, RACH partitioned random access information available, and RACH partitioned reporting available.

Embodiments of the present disclosure provide a first entity device in a wireless communication system, the first entity device comprising: a transceiver configured to transmit and receive signals; and a processor coupled to the transceiver and configured to perform methods performed by the first entity in the wireless communication system according to embodiments of the present disclosure.

Embodiments of the present disclosure provide a second entity device in a wireless communication system, the second entity device comprising: a transceiver configured to transmit and receive signals; and a processor coupled to the transceiver and configured to perform methods performed by the second entity in the wireless communication system according to embodiments of the present disclosure.

Embodiments of the present disclosure include, when performed by a processor, computer readable instructions used to implement methods performed by a first entity and/or a second entity in a wireless communication system according to embodiments of the present disclosure. A computer-readable medium in which they are stored may be provided.

Methods performed by the first entity and/or the second entity in the wireless communication system provided by the present disclosure include self-optimization decision-making or configuration update on the network side by exchanging information related to random access, etc. between the entities. It can be made possible.

1-15 discussed below and various embodiments to illustrate the principles of the present disclosure in this patent document are for illustrative purposes only and should not be construed as limiting the scope of the present disclosure in any way. Those skilled in the art will understand that the principles of the present disclosure may be implemented in any suitably arranged system or device.

1 shows an example system architecture 100 of system architecture evolution (SAE). A user terminal (UE) 101 is a terminal device for receiving data. E-UTRAN (evolved universal terrestrial radio access network) 102 is a radio access network that includes a macro base station (eNodeB/NodeB) that provides interfaces to the UE for accessing a radio network. . The mobility management entity (MME) 103 is responsible for managing the UE's mobility context, session context, and security information. The serving gateway (SGW) 104 primarily provides user plane functions, and the MME 103 and SGW 104 may be in the same physical entity. The packet data network gateway (PGW) 105 is responsible for functions such as billing and legal interception, and may be located in the same physical entity as the SGW 104. The policy and charging rules function entity (PCRF) 106 may provide quality of service (QoS) policies and charging criteria. SGSN (serving general packet radio service support node) 108 is a network node device that provides routing for data transmission in UMTS (universal mobile telecommunications system). HSS (home subscriber server) 109 is the home subsystem of the UE and is responsible for protecting user information, including the current location of the user terminal, the address of the serving node, user security information, and the packet data context of the user terminal. can do.

2 is an example system architecture 200 in accordance with various embodiments of the present disclosure. Other embodiments of system architecture 200 may be used without departing from the scope of this disclosure.

A user terminal (UE) 201 is a terminal device for receiving data. Next generation radio access network (NG-RAN) 202 is a base station that provides interfaces to the UE for accessing a wireless network (gNB or eNB connected to the 5G core network (5GC), and eNB connected to 5GC is ng- It is a wireless access network that includes (also called gNB). The access control and mobility management function entity (AMF) 203 is responsible for managing the UE's mobility context and security information. A user plane function entity (UPF) 204 may primarily provide user plane functions. The session management function entity (SMF) 205 is responsible for session management. Data network (DN) 206 may include, for example, services from operators, Internet access, and services from third parties.

Entities and/or nodes referred to in this disclosure include gNB, gNB Central Unit (gNB-CU), gNB Distributed Unit (gNB-DU), gNB-CU-Control Plane (gNB CU-CP), gNB CU-UP ( gNB-CU-User Plane), en-gNB, eNB, ng-eNB, UE, Access and Mobility Management Function (AMF), Session Management Function (SMF), Mobility Management Entity (MME) and other network entities or network logic May contain units.

Signal strength and/or signal quality referred to in this disclosure may be Received Signal Strength Indicator (RSSI), Reference Signal Receiving Power (RSRP), Reference Signal Receiving Quality (RSRQ), Signal to Interference plus Noise Ratio (SINR), etc.

Features described in this disclosure may include one or more of: RedCap, SDT (or smallData), slice (or slice group), coverage enhancement, etc.

The present disclosure solves the problem in the prior art that the relevant settings of SDT and/or RACH partitioning cannot be optimized because the relevant information of SDT and/or RACH partitioning cannot be provided for network self-optimization.

Next, FIG. 3 shows a flowchart of a method 300 performed by a first entity in a wireless communication system according to embodiments of the present disclosure.

As shown in FIG. 3, in operation S301, the method 300 performed by a first entity in a wireless communication system according to embodiments of the present disclosure is such that the first entity transmits small data transmission (SDT) configuration information. First information including SDT information for SDT based, second information including RACH division random access information for random access based on random access channel (RACH) division configuration information, and SDT configuration information and/or RACH division It may include transmitting at least one piece of fifth information including setting information to a second entity. According to one embodiment, the at least one piece of information may be associated with at least one of the first entity and any other entity except the first entity. For example, taking the fifth information as an example, the SDT setting information and/or RACH split setting information included in the fifth information transmitted by the first entity to the second entity may be the SDT setting information of the first entity itself and/or It may be RACH partition setting information, or it may be SDT setting information and/or RACH partition setting information of any other entity collected or obtained in some way by the first entity. Other information mentioned above has the same meaning and will not be repeated here. Additionally, the first entity, second entity, and any other entity referred to herein may be any of the example entities mentioned above or new entities introduced in the future, and are not limited herein.

In one embodiment, method 300 may further include the first entity receiving fourth information from the second entity including a request for SDT information and/or RACH partitioned random access information. According to one embodiment, the first information and/or the second information described above may be transmitted by the first entity to the second entity autonomously or based on the fourth information.

In one embodiment, method 300 may further include the first entity transmitting third information to the second entity indicating that SDT information is available and/or RACH partitioned random access information is available. . According to one embodiment, the fourth information may be transmitted by the first entity to the second entity autonomously or based on received third information.

In one embodiment, method 300 may further include the first entity receiving, from the second entity, SDT configuration information and/or RACH partition configuration information associated with the second entity. According to one embodiment, some or all of the SDT configuration information and/or RACH partition configuration information associated with the second entity may be determined by the second entity based at least in part on fifth information received from the first entity. For example, the second entity may include the first entity and/or its circumstances (e.g., its capabilities and/or its existing settings) and/or the fifth information received from the first entity. Based on the SDT configuration information and/or RACH partition configuration information associated with any other entity, some or all of the SDT configuration information and/or RACH partition configuration information associated with the second entity may be determined.

4 shows a flowchart of a method 400 performed by a second entity in a wireless communication system according to embodiments of the present disclosure.

As shown in FIG. 4, in operation S401, the method 400 performed by a second entity in a wireless communication system according to embodiments of the present disclosure is such that the second entity transmits small data transmission (SDT) configuration information. First information including SDT information for SDT based, second information including RACH division random access information for random access based on random access channel (RACH) division configuration information, and SDT configuration information and/or RACH division It may include receiving at least one piece of fifth information including setting information from the first entity. According to one embodiment, the at least one piece of information may be associated with at least one of the first entity and any other entity except the first entity. For example, taking the fifth information as an example, the SDT setting information and/or RACH split setting information included in the fifth information transmitted by the first entity to the second entity may be the SDT setting information of the first entity itself and/or It may be RACH partition setting information, or it may be SDT setting information and/or RACH partition setting information of any other entity collected or obtained in some way by the first entity. Other information mentioned above has the same meaning and will not be repeated here. Additionally, the first entity, second entity, and any other entity referred to herein may be any of the example entities mentioned above or new entities introduced in the future, and are not limited herein.

In one embodiment, method 400 may further include the second entity transmitting fourth information including a request for SDT information and/or RACH partitioned random access information to the first entity. According to one embodiment, the first information and/or the second information described above may be transmitted by the first entity to the second entity autonomously or based on the fourth information.

In one embodiment, method 400 may further include the second entity receiving third information from the first entity indicating that SDT information is available and/or RACH partitioned random access information is available. . According to one embodiment, the fourth information may be transmitted by the first entity to the second entity autonomously or based on received third information.

In one embodiment, method 400 may further include the second entity transmitting SDT configuration information and/or RACH partition configuration information associated with the second entity to the first entity. According to one embodiment, SDT configuration information and/or RACH partition configuration information associated with the second entity may be determined by the second entity based at least in part on fifth information received from the first entity. For example, the second entity may include the first entity and/or its circumstances (e.g., its capabilities and/or its existing settings) and/or the fifth information received from the first entity. Based on the SDT configuration information and/or RACH partition configuration information associated with any other entity, the SDT configuration information and/or RACH partition configuration information associated with the second entity may be determined.

As described above, the steps or operations included in method 300 and method 400 according to embodiments of the present disclosure may be performed individually or together in any combination, in any order, for example For example, they can be performed simultaneously or in the reverse order listed. Additionally, various steps or operations and various information described above will be further described below with specific examples.

Hereinafter, methods performed by a first entity and/or a second entity in a wireless communication system according to embodiments of the present disclosure will be described from various embodiments along with specific examples. More generally, a method performed by a first entity and/or a second entity in a wireless communication system according to embodiments of the present disclosure may also be referred to as a method for supporting network self-optimization.

Example 1

One embodiment of the present disclosure proposes a method for supporting network self-optimization, which method includes: To prevent link interruption in the Small Data Transmission (SDT) process and improve the robustness and effectiveness of SDT, The first entity transmits first information including SDT information for the SDT based on the SDT setting information to the second entity so that the second entity determines whether the SDT setting is appropriate based on the received information and/or sets the SDT. and/or allowing the second entity to forward the received information to other entities to enable other entities to determine whether the SDT settings are appropriate and/or update settings related to the SDT. there is. Here, SDT may be RA-SDT (Random Access-SDT) or CG-SDT (Configured Grant-SDT).

According to one embodiment, the first information includes: user information response (UEInformationResponse) of Radio Resource Control (RRC), secondary cell group failure information (SCGFailureInformation), master cell group failure information (MCGFailureInformation); Xn's FAILURE INDICATION message, HANDOVER REPORT message, ACCESS AND MOBILITY INDICATION message, S-NODE MODIFICATION REQUEST message, SgNB MODIFICATION REQUEST message, SCG FAILURE INFORMATION REPORT message, RRC TRANSFER message; F1's ACCESS AND MOBILITY INDICATION message; NG's UPLINK RAN CONFIGURATION TRANSFER message and DOWNLINK RAN CONFIGURATION TRANSFER message; or may be included in one or more of other and/or newly defined RRC and/or Xn and/or X2 and/or F1 and/or E1 and/or NG messages. According to one embodiment, the first information may be included in a report, where the report is a Connection Establishment Failure (CEF) report, a random access report, a successful handover report, a Radio Link Failure (RLF) report, a measurement report, or a wireless connection report. There may be other reports related to . The report may also be a new report, e.g., random access SDT report (RA-SDTReport) and/or random access SDT information (RA-SDTInfo) and/or SDT report (SDDTReport) and/or SDT information (SDTInfo). .

According to one embodiment, the first information may include one or more of the following fields or related information:

UE ID (identification): This is used to identify the UE performing random access and/or SDT.

Node ID (identification): This is used by the UE to identify the node corresponding to random access and/or SDT.

Cell ID (identification): This is used by the UE to identify the cell corresponding to random access and/or SDT.

Indication that the random access is for SDT: This is used to identify that the purpose of the random access is for SDT. This field may be included in the random access purpose (raPurpose).

SDT setting information for random access: This is used to indicate the SDT setting information applied in random access. This information is: the RSRP threshold corresponding to the SDT (sdt-RSRP-Threshold), the logical channel status reporting delay timer corresponding to the SDT (sdt-LogicalChannelSR-DelayTimer), and the data volume threshold corresponding to the SDT (sdt-DataVolumeThreshold). , and an SDT timer value (e.g., T319a).

Time from random access to reporting of information: This is used to indicate the time from random access to reporting of first information. According to one embodiment, the time may be used by the node and/or entity to find relevant settings and for the node and/or entity to perform self-optimization, such as setting updates to the relevant settings.

Time from SDT start to information reporting: This is used to indicate the time from SDT start to reporting of the first information. According to one embodiment, the time may be used by the node and/or entity to find relevant settings and for the node and/or entity to perform self-optimization, such as setting updates to the relevant settings.

Time from SDT radio link failure to reporting of information: This is used to indicate the time from SDT radio link failure to reporting of first information. According to one embodiment, the time may be used by the node and/or entity to find relevant settings and for the node and/or entity to perform self-optimization, such as setting updates to the relevant settings.

Time from SDT interruption to information reporting: This is used to indicate the time from SDT interruption to information reporting. According to one embodiment, the time may be used by the node and/or entity to find relevant settings and for the node and/or entity to perform self-optimization, such as setting updates to the relevant settings.

Time from SDT failure to information report: This is used to indicate the time from SDT failure to information report. According to one embodiment, the time may be used by the node and/or entity to find relevant settings and for the node and/or entity to perform self-optimization, such as setting updates to the relevant settings.

Signal quality in case of SDT failure: This is used to indicate signal quality in case of SDT failure. Signal quality can be RSRP, RSRQ, SINR, RSSI, etc. SDT failure may be a wireless link failure.

Amount of data remaining after SDT failure: This is used to indicate the amount of untransmitted data remaining after an SDT failure. SDT failure may be a wireless link failure.

Signal quality during random access: This is used to indicate signal quality during random access. Signal quality can be RSRP, RSRQ, SINR, RSSI, etc.

Amount of data when random access: This is used to indicate the amount of data when the random access SDT is triggered.

Amount of data when SDT starts: This is used to indicate the amount of data when the SDT is triggered.

Information about the amount of data in the SDT transmission process: This is used to indicate information about the amount of data in the SDT transmission process. According to one embodiment of the present disclosure, this information allows the node receiving this information to determine whether the settings of the SDT are appropriate and/or how to perform adjustments (e.g., increase, decrease, etc.), e.g., data It can be helpful in determining quantity thresholds, SDT timer values (e.g. T319a), etc. Relevant information may include one or more of the following:

- Amount of data arrived in the SDT transmission process: This is used to indicate the amount of data arrived in the SDT transmission process.

- Maximum amount of data in the SDT transmission process: This is used to indicate the maximum amount of buffered data in the SDT transmission process.

- Minimum amount of data in the SDT transmission process: This is used to indicate the minimum amount of data buffered in the SDT transmission process.

- Average amount of data in the SDT transmission process: This is used to indicate the average amount of data buffered in the SDT transmission process.

Amount of data transmitted via SDT: This is used to indicate the amount of data transmitted via SDT. According to one embodiment, this information allows the node receiving this information to determine whether the settings of the SDT are appropriate and/or how to perform adjustments (e.g. increase, decrease, etc.), e.g. the data amount threshold. , SDT timer value (e.g., T319a), etc.

Amount of data remaining after SDT transmission: This is used to indicate the amount of untransmitted data remaining after SDT. According to one embodiment, this information allows the node receiving this information to determine whether the settings of the SDT are appropriate and/or how to perform adjustments (e.g. increase, decrease, etc.), e.g. the data amount threshold. , SDT timer value (e.g., T319a), etc.

Time from SDT start to SDT end: This can also be the time from T319a timer start to SDT end. According to one embodiment, the time may be used by nodes and/or entities to perform self-optimization, such as configuration updates to relevant settings. According to one embodiment, for example, this may be used to update a timer (which may be T319a, for example) to set a more suitable timer.

Time from SDT start to radio link failure: This can also be the time from T319a timer start to radio link failure. According to one embodiment, the time may be used by nodes and/or entities to perform self-optimization, such as configuration updates to relevant settings. According to one embodiment, for example, this may be used to update a timer (which may be T319a, for example) to set a more suitable timer.

SDT timer status at SDT end: This indicates the state of the SDT timer at SDT end. This can include running, stopping, etc. The SDT timer may be T319a. According to one embodiment, the state may be used by nodes and/or entities to perform self-optimization, such as configuration updates to relevant configurations. According to one embodiment, for example, this may be used to update a timer (which may be T319a, for example) to set a more suitable timer. According to another embodiment, this may be used to update the data amount threshold corresponding to the set SDT. For example, there may be cases where the SDT ends due to a timer stopping while the amount of remaining data is small. By appropriately increasing the data amount threshold corresponding to the SDT and/or extending the timer appropriately, returning to the RRC connection state for transmission due to a small amount of remaining data can be avoided.

SDT timer state when wireless link fails: This indicates the state of the SDT timer when wireless link fails. This can include running, stopping, etc. The SDT timer may be T319a.

SDT Termination Reason: This indicates the reason why the SDT was terminated. These are: stopping the SDT timer (e.g. stopping T319a), receiving an RRC message (e.g. this could be an RRC release message, RRC resume message, RRC setup message, RRC reject message), radio link failure, transmission It may include one or more of the following: completion, failure to resume RRC connection, etc.

SDT Failure Cause: This indicates why the SDT failed. These are: stopping the SDT timer (e.g. stopping T319a), receiving an RRC message (e.g. this could be an RRC release message, RRC resume message, RRC setup message, RRC reject message), radio link failure, transmission It may include one or more of the following: completion, failure to resume RRC connection, etc.

Example 2

One embodiment of the present disclosure proposes a method for supporting network self-optimization, which includes: first The entity transmits second information including RACH partition random access information for random access based on Random Access Channel (RACH) partition setting information to the second entity, so that the second entity establishes random access based on the received information. determine whether the setting of random access is suitable and/or cause the second entity to update the parameter settings of the random access, and/or cause the second entity to forward the received information to other entities so that the other entities determine whether the setting of the random access is suitable and/or This may include updating settings related to random access.

According to one embodiment, the second information includes: RRC's user information response (UEInformationResponse), secondary cell group failure information (SCGFailureInformation), master cell group failure information (MCGFailureInformation); Xn's FAILURE INDICATION message, HANDOVER REPORT message, ACCESS AND MOBILITY INDICATION message, S-NODE MODIFICATION REQUEST message, SgNB MODIFICATION REQUEST message, SCG FAILURE INFORMATION REPORT message, RRC TRANSFER message; F1's ACCESS AND MOBILITY INDICATION message; NG's UPLINK RAN CONFIGURATION TRANSFER message and DOWNLINK RAN CONFIGURATION TRANSFER message; or may be included in one or more of other and/or newly defined RRC and/or Xn and/or X2 and/or F1 and/or E1 and/or NG messages. According to one embodiment, the second information may be included in a report, where the report is a Connection Establishment Failure (CEF) report, a random access report, a successful handover report, a Radio Link Failure (RLF) report, a measurement report, or a wireless connection report. There may be other reports related to . This report may also be a new report, for example, RACH Partitioned Random Access Report (RA-RACHPatitionRepor) and/or RACH Partitioned Random Access Information Report (RA-RACHPatitionReportInfo).

According to one embodiment, the second information may include one or more of the following fields or related information:

UE ID (identification): This is used to identify the UE performing random access.

Node ID (identification): This is used by the UE to identify the node corresponding to random access.

Cell ID (identification): This is used by the UE to identify the cell corresponding to random access.

Feature Priority: This is used to indicate the priority list of a feature and/or a priority list of a group of features.

RACH partition settings: This is used to indicate the RACH partition settings applied when performing random access. This setting may include one or more of the following:

- Feature Combination: This is used to indicate which features this setting is applicable to. These features may include one or more of: RedCap, SDT (or smallData), slice (or slice group), coverage enhancement, etc.

- Start PreambleForThisPartition (startPreambleForThisPartition)

- NumberOfPreamblesForThisPartition

- Synchronization signal and physical boardcast channel (PBCH) block (SSB) shared RACH opportunity (RO) mask index (ssb-SharedRO-MaskIndex) for this partition

- Number of consecutive preambles belonging to GroupA (numberOfRA-PreamblesGroupA)

- Uplink resource setting of MSGA: The uplink resource may be PUSCH (Physical Uplink Shared Channel).

- Feature-specific parameters: These are the signal quality threshold corresponding to the synchronization signal and the physical broadcast channel (PBCH) block (SSB) (for example, this could be rsrp-ThresholdSSB), the signal quality threshold corresponding to MSG3 ( For example, this could be rsrp-ThresholdMsg3), the message power offset corresponding to GroupB (for example, this could be messagePowerOffsetGroupB), the size of the random access GroupA (for example, this could be ra-SizeGroupA) , and a preamble delta (deltaPreamble). Signal quality can be RSRP, RSRQ, SINR, RSSI, etc.

Time from random access to reporting of information: This is used to indicate the time from random access to reporting of second information. According to one embodiment, the time may be used by the node and/or entity to find relevant settings and for the node and/or entity to perform self-optimization, such as setting updates to the relevant settings.

Time of random access

Time from random access failure to reporting of information: This is used to indicate the time from random access failure to reporting of the second information. According to one embodiment, the time may be used by the node and/or entity to find relevant settings and for the node and/or entity to perform self-optimization, such as setting updates to the relevant settings.

Time of random access failure. According to one embodiment, the time may be used by the node and/or entity to find relevant settings and for the node and/or entity to perform self-optimization, such as setting updates to the relevant settings.

Resources available during random access

Features corresponding to available resources during random access

Signal quality corresponding to SSB: Signal quality can be RSRP, RSRQ, SINR, RSSI, etc.

Signal quality corresponding to MSG3: Signal quality can be RSRP, RSRQ, SINR, RSSI, etc.

Information for Attempting Random Access: Information and/or a list of information for each attempt in the random access process, including one or more of the following:

- RACH split settings

- Feature priority

- User characteristic information in random access

- Trial ID (identification): This is used to identify this trial.

- Number of attempts: This is used to indicate the number of attempts. This indicates how many times this attempt has been made.

- Total number of attempts: This is used to indicate the total number of attempts.

- UE ID (identification): This is used to identify the UE performing random access.

- Node ID (identification): This is used by the UE to identify the node corresponding to random access.

- Cell ID (identification): This is used by the UE to identify the cell corresponding to random access.

- Time from random access to reporting of information: This is used to indicate the time from random access to reporting of the second information. According to one embodiment, the time may be used by the node and/or entity to find relevant settings and for the node and/or entity to perform self-optimization, such as setting updates to the relevant settings.

- Time of random access

- Time from random access failure to information reporting: This is used to indicate the time from random access failure to reporting of the second information. According to one embodiment, the time may be used by the node and/or entity to find relevant settings and for the node and/or entity to perform self-optimization, such as setting updates to the relevant settings.

- Time of random access failure

- Available resources during random access

- Features corresponding to available resources during random access

- Signal quality corresponding to SSB: Signal quality can be RSRP, RSRQ, SINR, RSSI, etc.

- Signal quality corresponding to MSG3: Signal quality can be RSRP, RSRQ, SINR, RSSI, etc.

- Parameters in random access: This may include one or more of the following:

* Feature Combination: These features may include one or more of: RedCap, SDT (or smallData), Slice (or Slice Group), Coverage Enhancement, etc.

* Start PreambleForThisPartition

* Number of preambles for this partition (numberOfPreamblesForThisPartition)

* Synchronization signal and physical boardcast channel (PBCH) block (SSB) shared RACH opportunity (RO) mask index (ssb-SharedRO-MaskIndex) for this partition.

* Number of consecutive preambles belonging to GroupA (numberOfRA-PreamblesGroupA)

* MSGA's uplink resource setting: The uplink resource may be PUSCH (Physical Uplink Shared Channel).

* Feature-specific parameters: This corresponds to the synchronization signal and the physical broadcast channel (PBCH) block (SSB), the signal quality threshold (for example, this could be rsrp-ThresholdSSB), the synchronization signal and the physical broadcast channel (PBCH) Signal quality corresponding to block (SSB), signal quality threshold corresponding to MSG3 (e.g. this may be rsrp-ThresholdMsg3), signal quality corresponding to MSG3, message power offset corresponding to GroupB (e.g. , which may be messagePowerOffsetGroupB), the size of the random access GroupA (e.g., this may be ra-SizeGroupA), and a preamble delta (deltaPreamble). Signal quality can be RSRP, RSRQ, SINR, RSSI, etc.

Example 3

One embodiment of the present disclosure proposes a method for supporting network self-optimization, wherein a first entity sends third information indicating that SDT information is available and/or RACH partitioned random access information is available to a second entity. Transmit to the entity to inform the second entity that the first entity has SDT information and/or RACH partitioned random access information so that the second entity can choose whether to obtain that information.

According to an embodiment of the present disclosure, the third information is: UE-MeasurementsAvailable of RRC, RRC Setup Complete (RRCSetupComplete), RRC ReestablishmentComplete, RRC Reconfiguration Complete (RRCReconfigurationComplete) or RRC ResumeComplete(RRCResumeComplete); or may be included in one or more of other and/or newly defined RRC and/or Xn and/or X2 and/or F1 and/or E1 and/or NG messages.

According to one embodiment of the present disclosure, the third information may include one or more of the following fields or related information:

SDT Information Available: This is used to indicate that SDT information is available, which indicates that the stored SDT information is available. This field can be expressed as a single bit, for example, when this bit is 1, it means that SDT information is available; when this bit is 0, it means that SDT information is not available; Alternatively, when this bit is 0, it means that SDT information is available, and when this bit is 1, it means that SDT information is not available.

SDT Report Available: This is used to indicate that the SDT report is available, which indicates that the stored SDT report is available. This field can be represented by a single bit. For example, when this bit is 1, it means that SDT reporting is available; when this bit is 0, it means that SDT reporting is not available; Alternatively, when this bit is 0, it means that SDT reporting is available, and when this bit is 1, it means that SDT reporting is not available.

RACH partitioned random access information available: This is used to indicate that the RACH partitioned random access information is available, which indicates that the stored RACH partitioned random access information is available. This field can be represented by a single bit. For example, when this bit is 1, it means that RACH partitioned random access information is available; when this bit is 0, it means that RACH partitioned random access information is not available; Alternatively, when this bit is 0, it means that RACH partitioned random access information is available, and when this bit is 1, it means that RACH partitioned random access information is not available.

RACH Split Report Available: This is used to indicate that RACH Split Report is available, which indicates that a stored RACH Split Report is available. This field can be represented by a single bit. For example, when this bit is 1, it means that RACH split reporting is available; when this bit is 0, it means that RACH split reporting is not available; Alternatively, when this bit is 0, it means that RACH split reporting is available, and when this bit is 1, it means that RACH split reporting is not available.

According to an embodiment of the present disclosure, the second entity may access SDT information and/or RACH according to its situation and/or according to received information indicating that SDT information is available and/or RACH partitioned random access information is available. The second entity may transmit fourth information including a request for partitioned random access information to the first entity, thereby requesting the first entity to transmit and/or report SDT information and/or RACH partitioned random access information. may obtain SDT information and/or RACH partitioned random access information to make self-optimization decisions and/or a second entity may forward the received information to other entities to enable other entities to make self-optimization decisions.

According to an embodiment of the present disclosure, the fourth information is: the UEInformationRequest of the RRC, or one of the other and/or newly defined RRC and/or Xn and/or X2 and/or F1 and/or E1 and/or NG messages It may be included in the above.

According to one embodiment of the present disclosure, the fourth information may include one or more of the following fields or related information:

Request for SDT Information: This is used to request SDT information and/or indicate whether SDT information should be reported. This field can be represented by a single bit. For example, when this bit is 1, it means that SDT information is requested and/or needs to be reported, and when this bit is 0, this means that SDT information is not requested and/or need not be reported. means; Alternatively, when this bit is 0, it means that SDT information is requested and/or needs to be reported, and when this bit is 1, it means that SDT information is not requested and/or need not be reported. it means.

Request for SDT Report: This is used to request an SDT report and/or indicate whether an SDT report should be reported. This field can be represented by a single bit. For example, when this bit is 1, it means that SDT reporting is requested and/or needs to be reported, and when this bit is 0, this means that SDT reporting is not requested and/or need not be reported. means; Alternatively, when this bit is 0, it means that SDT reporting is requested and/or needs to be reported, and when this bit is 1, it means that SDT reporting is not requested and/or need not be reported. it means.

Request for RACH partitioned random access information: This is used to request RACH partitioned random access information and/or indicate whether RACH partitioned random access information should be reported. This field can be represented by a single bit. For example, when this bit is 1, it means that RACH partitioned random access information is requested and/or needs to be reported, and when this bit is 0, this means that RACH partitioned random access information is not requested and/or needs to be reported. Meaning there is no need to report; Alternatively, when this bit is 0, it means that RACH partitioned random access information is requested and/or needs to be reported, and when this bit is 1, it means that RACH partitioned random access information is not requested and/or needs to be reported. This means there is no need to report it.

Request for RACH split reporting: This is used to request RACH split reporting and/or indicate whether RACH split reporting should be reported. This field can be represented by a single bit. For example, when this bit is 1, it means that RACH split reporting is requested and/or needs to be reported, and when this bit is 0, it means that RACH split reporting is not requested and/or needs to be reported. means none; Alternatively, when this bit is 0, it means that RACH split reporting is requested and/or needs to be reported, and when this bit is 1, it means that RACH split reporting is not requested and/or needs to be reported. It means none.

Example 4

One embodiment of the present disclosure proposes a method for supporting network self-optimization, which method includes providing reference information for a second entity to perform SDT and/or RACH split configuration to avoid resource configuration conflicts, etc. In order for the first entity to transmit fifth information including SDT configuration information and/or RACH split configuration information to the second entity, or for other entities to perform SDT and/or RACH split configuration to avoid resource configuration conflicts, etc. This may include the second entity transmitting the received SDT configuration information and/or RACH partition configuration information to other entities to provide reference information for the processing.

According to an embodiment of the present disclosure, the fifth information is: an XN SETUP REQUEST message or an XN SETUP RESPONSE message of Xn; X2's ENB CONFIGURATION UPDATE message or ENB CONFIGURATION UPDATE ACKNOWLEDGE message or EN-DC CONFIGURATION UPDATE message or EN-DC CONFIGURATION UPDATE ACKNOWLEDGE message; NG-RAN NODE CONFIGURATION UPDATE message or NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE message from Xn; RESET REQUEST message from X2 or Xn; X2's MOBILITY CHANGE REQUEST message; F1's F1 SETUP REQUEST message or F1 SETUP RESPONSE message or GNB-DU CONFIGURATION UPDATE message or GNB-DU CONFIGURATION UPDATE ACKNOWLEDGE message or GNB-CU CONFIGURATION UPDATE message or GNB-CU CONFIGURATION UPDATE ACKNOWLEDGE message or GNB-DU RESOURCE COORDINATION REQUEST message or GNB-DU RESOURCE COORDINATION RESPONSE; RESOURCE STATUS REQUEST message on X2 or Xn or F1 or E1, or EN-DC RESOURCE STATUS REQUEST message on X2; or an UPLINK RAN CONFIGURATION TRANSFER message or a DOWNLINK RAN CONFIGURATION TRANSFER message in NG; or may be included in one or more of other and/or newly defined RRC and/or Xn and/or X2 and/or F1 and/or E1 and/or NG messages.

According to an embodiment of the present disclosure, the fifth information may include one or more of the following fields or related information:

Node ID (identification): This is used to identify the node corresponding to the configuration information.

Cell ID (identification): This is used to identify the cell corresponding to the configuration information.

SDT setting information for random access: This is used to indicate SDT setting information for random access. This information may include one or more of the following:

- RSRP threshold corresponding to SDT (sdt-RSRP-Threshold)

- Logical channel status reporting delay timer corresponding to SDT (sdt-LogicalChannelSR-DelayTimer)

- Data volume threshold corresponding to SDT (sdt-DataVolumeThreshold)

- SDT timer value (e.g. T319a)

Permissible value and/or range of allowable values of SDT setting information for random access: This is used to indicate the allowable value and/or range of allowable values of SDT setting information for random access. Here, the range of allowable values may include, for example, a maximum value and/or a minimum value. This field can be an acceptable value and/or a range of acceptable values, one or more of the following information:

- RSRP threshold corresponding to SDT (sdt-RSRP-Threshold)

- Logical channel status reporting delay timer corresponding to SDT (sdt-LogicalChannelSR-DelayTimer)

- Data volume threshold corresponding to SDT (sdt-DataVolumeThreshold)

- SDT timer value (e.g. T319a)

RACH partition settings: This is used to indicate the RACH partition settings applied when performing random access. This setting may include one or more of the following:

- Feature Combination: This is used to indicate which features this setting is applicable to. These features may include one or more of: RedCap, SDT (or smallData), slice (or slice group), coverage enhancement, etc.

- Start PreambleForThisPartition (startPreambleForThisPartition)

- NumberOfPreamblesForThisPartition

- Synchronization signal and physical boardcast channel (PBCH) block (SSB) shared RACH opportunity (RO) mask index (ssb-SharedRO-MaskIndex) for this partition

- Number of consecutive preambles belonging to GroupA (numberOfRA-PreamblesGroupA)

- Uplink resource setting of MSGA: The uplink resource may be PUSCH (Physical Uplink Shared Channel).

- Feature-specific parameters: These are the signal quality threshold corresponding to the synchronization signal and the physical broadcast channel (PBCH) block (SSB) (for example, this could be rsrp-ThresholdSSB), the signal quality threshold corresponding to MSG3 ( For example, this could be rsrp-ThresholdMsg3), the message power offset corresponding to GroupB (for example, this could be messagePowerOffsetGroupB), the size of the random access GroupA (for example, this could be ra-SizeGroupA) , and a preamble delta (deltaPreamble). Signal quality can be RSRP, RSRQ, SINR, RSSI, etc.

Allowable values and/or range of allowable values of RACH split settings: This is used to indicate the allowable values and/or range of allowable values of RACH split settings information. Here, the range of allowable values may include, for example, a maximum value and/or a minimum value. This field can be an acceptable value and/or a range of acceptable values, one or more of the following information:

- Feature Combination: This is used to indicate which features this setting is applicable to. These features may include one or more of: RedCap, SDT (or smallData), slice (or slice group), coverage enhancement, etc.

- Start PreambleForThisPartition (startPreambleForThisPartition)

- NumberOfPreamblesForThisPartition

- Synchronization signal and physical boardcast channel (PBCH) block (SSB) shared RACH opportunity (RO) mask index (ssb-SharedRO-MaskIndex) for this partition

- Number of consecutive preambles belonging to GroupA (numberOfRA-PreamblesGroupA)

- Uplink resource setting of MSGA: The uplink resource may be PUSCH (Physical Uplink Shared Channel).

- Feature-specific parameters: signal quality threshold corresponding to the synchronization signal and physical broadcast channel (PBCH) block (SSB) (e.g. this could be rsrp-ThresholdSSB), signal quality threshold corresponding to MSG3 (e.g. For example, this could be rsrp-ThresholdMsg3), the message power offset corresponding to GroupB (for example, this could be messagePowerOffsetGroupB), the size of random access GroupA (for example, this could be ra-SizeGroupA), and preamble delta(deltaPreamble). Signal quality can be RSRP, RSRQ, SINR, RSSI, etc.

According to an embodiment of the present disclosure, after receiving the fifth information from the first entity, the second entity determines its context, in order to provide reference information for establishment of the SDT and/or RACH split of the first entity. Accordingly, the second entity may transmit fifth information (e.g., including SDT configuration information and/or RACH split configuration information associated with the second entity) to the first entity, or the first entity may transmit the fifth information of the second entity to the other entity. In order to provide reference information for setting the SDT and/or RACH partition, the received SDT setting information and/or RACH partition setting information may be transmitted to other entities.

Methods performed by a first entity and/or a second entity in a wireless communication system according to embodiments of the present disclosure may be used to determine network self-optimization. Network self-optimization decisions referred to in this disclosure may include one or more of network energy savings, load balancing, coverage optimization, mobility optimization and/or management, network configuration creation and/or network configuration updating, etc.

Additionally, results and reports in this disclosure may reference each other.

Exemplary embodiments of the present disclosure are further described below with reference to the accompanying drawings.

The text and drawings are provided only as examples to aid understanding of the present disclosure. They should not be construed as limiting the scope of the present disclosure in any way. Although specific embodiments and examples have been provided, based on the disclosure herein, changes may be made to the illustrated embodiments and examples without departing from the scope of the disclosure, as will be understood by those skilled in the art. It is obvious to the technician.

Figure 5 shows a schematic diagram of a method for supporting network self-optimization according to embodiments of the present disclosure. Specifically, FIG. 5 shows SDT information and /Or illustrates a process for exchanging RACH partitioned random access information. According to one embodiment of the present disclosure, for example, the first entity may be a UE, and the second entity may be gNB or gNB-CU or gNB-DU or gNB CU-CP or gNB CU-UP or en-gNB or It may be an eNB or ng-eNB. According to another embodiment, for example, the first entity may be gNB or gNB-CU or gNB-DU or gNB CU-CP or gNB CU-UP or en-gNB or eNB or ng-eNB, and the second entity may be gNB or gNB-CU or gNB-DU or gNB CU-CP or gNB CU-UP or en-gNB or eNB or ng-eNB The entity may be gNB or gNB-CU or gNB-DU or gNB CU-CP or gNB CU-UP or en-gNB or eNB or ng-eNB. According to another embodiment, for example, the first entity may be AMF or SMF or MME, and the second entity may be gNB or gNB-CU or gNB CU-CP or en-gNB or eNB or ng-eNB You can. According to another embodiment, for example, the first entity may be gNB or gNB-CU or gNB CU-CP or en-gNB or eNB or ng-eNB, and the second entity may be AMF or SMF or MME. You can.

Operation 501: The first entity may report SDT information and/or RACH partitioned random access information to the second entity. SDT information may be the first information mentioned above. The RACH partitioned random access information may be the second information mentioned above.

Operation 502: The second entity may make self-optimization decisions and/or update settings, etc. based on the received SDT information and/or RACH partitioned random access information.

Figure 6 shows a schematic diagram of a method for supporting network self-optimization according to embodiments of the present disclosure. Specifically, FIG. 6 shows SDT information and /Or illustrates a process for exchanging RACH partitioned random access information. According to one embodiment of the present disclosure, for example, the first entity may be a UE, and the second entity may be gNB or gNB-CU or gNB-DU or gNB CU-CP or gNB CU-UP or en-gNB or It may be an eNB or ng-eNB. According to another embodiment, for example, the first entity may be gNB or gNB-CU or gNB-DU or gNB CU-CP or gNB CU-UP or en-gNB or eNB or ng-eNB, and the second entity may be gNB or gNB-CU or gNB-DU or gNB CU-CP or gNB CU-UP or en-gNB or eNB or ng-eNB The entity may be gNB or gNB-CU or gNB-DU or gNB CU-CP or gNB CU-UP or en-gNB or eNB or ng-eNB. According to another embodiment, for example, the first entity may be AMF or SMF or MME, and the second entity may be gNB or gNB-CU or gNB CU-CP or en-gNB or eNB or ng-eNB You can. According to another embodiment, for example, the first entity may be gNB or gNB-CU or gNB CU-CP or en-gNB or eNB or ng-eNB, and the second entity may be AMF or SMF or MME. there is.

At operation 601, the second entity may transmit a request for SDT information and/or RACH partitioned random access information to the first entity. The request for SDT information and/or RACH partitioned random access information may be the fourth information mentioned above.

At operation 602, the first entity may report SDT information and/or RACH partitioned random access information to the second entity. SDT information may be the first information mentioned above. The RACH partitioned random access information may be the second information mentioned above.

At operation 603, the second entity may make self-optimization decisions and/or update settings, etc. based on the received SDT information and/or RACH partitioned random access information.

7 shows a schematic diagram of a method for supporting network self-optimization according to embodiments of the present disclosure. Specifically, FIG. 7 shows SDT information and /Or illustrates a process for exchanging RACH partitioned random access information. According to one embodiment of the present disclosure, for example, the first entity may be a UE, and the second entity may be gNB or gNB-CU or gNB-DU or gNB CU-CP or gNB CU-UP or en-gNB or It may be an eNB or ng-eNB. According to another embodiment, for example, the first entity may be gNB or gNB-CU or gNB-DU or gNB CU-CP or gNB CU-UP or en-gNB or eNB or ng-eNB, and the second entity may be may be gNB or gNB-CU or gNB-DU or gNB CU-CP or gNB CU-UP or en-gNB or eNB or ng-eNB. According to another embodiment, for example, the first entity may be AMF or SMF or MME, and the second entity may be gNB or gNB-CU or gNB CU-CP or en-gNB or eNB or ng-eNB. there is. According to another embodiment, for example, the first entity may be gNB or gNB-CU or gNB CU-CP or en-gNB or eNB or ng-eNB, and the second entity may be AMF or SMF or MME. there is.

Operation 701: The first entity transmits information indicating that SDT information is available and/or RACH partitioned random access information is available to the second entity, such that the first entity transmits the SDT information and/or RACH partitioned random access information. It informs the second entity that it has a . Information indicating that SDT information is available and/or RACH partitioned random access information is available may be the third information mentioned above.

At operation 702, the second entity may transmit a request for SDT information and/or RACH partitioned random access information to the first entity. The request for SDT information and/or RACH partitioned random access information may be the fourth information mentioned above.

At operation 703, the first entity may report SDT information and/or RACH partitioned random access information to the second entity. SDT information may be the first information mentioned above. The RACH partitioned random access information may be the second information mentioned above.

At operation 704, the second entity may make self-optimization decisions and/or update settings, etc. based on the received SDT information and/or RACH partitioned random access information.

8 shows a schematic diagram of a method for supporting network self-optimization according to embodiments of the present disclosure. Specifically, Figure 8 shows the SDT information between the user,node and the last serving node, so that the last serving node can,obtain SDT information and/or RACH partitioned random,access information, adjust settings and make self-optimization,decisions. and/or a process for exchanging RACH partitioned random access information. As mentioned above, a node may be a base station that may include a central unit (CU) and a distributed unit (DU), and the CU may further include a user plane (UP) and a control plane (CP).

In operation 801, the UE may perform a random access process with the last serving node (which may be the CU of the last serving node and/or the DU of the last serving node).

At operation 802, the UE may perform an RRC setup process and/or an RRC re-establishment process with the node (or CU of the node).

At operation 803, the UE transmits information indicating that SDT information is available and/or RACH partitioned random access information is available to a node (which may be a CU of the node), such that the SDT information and/or RACH partitioned random access information is available. Notifies the node (which may be the node's CU) that it is available at the UE. Information indicating that SDT information is available and/or RACH partitioned random access information is available may be the third information mentioned above. Information indicating that SDT information is available and/or RACH partitioned random access information is available may be transmitted via an RRC Setup Complete (RRCSetupComplete) message.

At operation 804, the node (which may be a CU of the node) may transmit a request for SDT information and/or RACH partitioned random access information to the UE, requesting the UE to report SDT information and/or RACH partitioned random access information. there is. The request for SDT information and/or RACH partitioned random access information may be the fourth information mentioned above. A request for SDT information and/or RACH partitioned random access information may be transmitted via a UE Information Request (UEInformationRequest) message.

At operation 805, the UE may transmit SDT information and/or RACH partitioned random access information to the node (or CU of the node). SDT information may be the first information mentioned above. The RACH partitioned random access information may be the second information mentioned above. SDT information and/or RACH partitioned random access information may be transmitted through a UE Information Response (UEInformationResponse) message.

At operation 806, the node (which may be a CU of the node) may transmit SDT information and/or RACH partitioned random access information to the last serving node (which may be a CU of the last serving node). SDT information may be the first information mentioned above. The RACH partitioned random access information may be the second information mentioned above. The SDT information and/or RACH partitioned random access information may include all and/or part of the information in operation 805. SDT information and/or RACH partitioned random access information may be transmitted through Failure Indication and/or Handover Report and/or Access And Mobility Indication messages.

Operation 807: The CU of the last serving node may transmit SDT information and/or RACH partitioned random access information to the DU of the last serving node. SDT information may be the first information mentioned above. The RACH partitioned random access information may be the second information mentioned above. The SDT information and/or RACH partitioned random access information may include all and/or part of the information in operation 806. SDT information and/or RACH partitioned random access information may be transmitted through an Access And Mobility Indication message.

The last serving node (which may be the CU of the last serving node or the DU of the last serving node) may make self-optimization decisions and/or update settings based on the received SDT information and/or RACH partitioned random access information.

9 shows a schematic diagram of a method for supporting network self-optimization according to embodiments of the present disclosure. Specifically, FIG. 9 shows a dual configuration in which the UE performs random access with the secondary node, so that the secondary node can obtain SDT information and/or RACH split random access information to adjust settings and make self-optimization decisions. It shows a process of exchanging SDT information and/or RACH partitioned random access information between the UE, master node, and secondary node in the case of connection.

Operation 901: The UE may perform a random access process with a secondary node (which may be a CU of the secondary node and/or a DU of the secondary node).

Operation 902: The UE may transmit SDT information and/or RACH partitioned random access information to the master node (which may be a CU of the master node). SDT information may be the first information mentioned above. The RACH partitioned random access information may be the second information mentioned above. SDT information and/or RACH partitioned random access information may be transmitted through an SCG failure information (SCGFailureInformation) message.

Operation 903: The master node (which may be a CU of the master node) may transmit SDT information and/or RACH partitioned random access information to a secondary node (which may be a CU of the secondary node). SDT information may be the first information mentioned above. The RACH partitioned random access information may be the second information mentioned above. The SDT information and/or RACH partitioned random access information may include all and/or part of the information in step 902. SDT information and/or RACH partitioned random access information may be transmitted through an SgNB Modification Request and/or SCG Failure Information Report message.

Operation 904: The CU of the secondary node may transmit SDT information and/or RACH partitioned random access information to the DU of the secondary node. SDT information may be the first information mentioned above. The RACH partitioned random access information may be the second information mentioned above. The SDT information and/or RACH partitioned random access information may include all and/or part of the information in step 903. SDT information and/or RACH partitioned random access information may be transmitted through an Access And Mobility Indication message.

The master node (which may be a CU of the master node) and the secondary node (which may be a CU of a secondary node or a DU of a secondary node) make self-optimization decisions based on the received SDT information and/or RACH partitioned random access information and/ You can take it down or update your settings.

Figure 10 shows a schematic diagram of a method for supporting network self-optimization according to embodiments of the present disclosure. Specifically, FIG. 10 shows a dual configuration in which the UE performs random access with the master node, so that the master node can obtain SDT information and/or RACH split random access information to adjust settings and make self-optimization decisions. It shows a process of exchanging SDT information and/or RACH partitioned random access information between the UE, master node, and secondary node in the case of connection.

In operation 1001, the UE may perform a random access process with the master node (which may be the master node's CU and/or the master node's DU).

At operation 1002, the UE may transmit SDT information and/or RACH partitioned random access information to the secondary node (which may be a CU of the secondary node). SDT information may be the first information mentioned above. The RACH partitioned random access information may be the second information mentioned above. SDT information and/or RACH partitioned random access information may be transmitted through a master cell group failure information (MCGFailureInformation) message.

At operation 1003, the secondary node (which may be a CU of the secondary node) may transmit SDT information and/or RACH partitioned random access information to the master node (which may be a CU of the master node). SDT information may be the first information mentioned above. The RACH partitioned random access information may be the second information mentioned above. The SDT information and/or RACH partitioned random access information may include all and/or part of the information in step 1002. SDT information and/or RACH partitioned random access information may be transmitted through an RRC Transfer message.

At operation 1004, the CU of the master node may transmit SDT information and/or RACH partitioned random access information to the DU of the master node. SDT information may be the first information mentioned above. The RACH partitioned random access information may be the second information mentioned above. The SDT information and/or RACH partitioned random access information may include all and/or part of the information in operation 1003. SDT information and/or RACH partitioned random access information may be transmitted through an Access And Mobility Indication message.

The master node (which may be the master node's CU or the master node's DU) may make self-optimization decisions and/or update settings based on the received SDT information and/or RACH partitioned random access information.

11 shows a schematic diagram of a method for supporting network self-optimization according to embodiments of the present disclosure. Specifically, Figure 11 shows SDT information among the user, node, last serving node, and AMF, so that the last serving node can obtain SDT information and/or RACH partitioned random access information, adjust settings, and make self-optimization decisions. and/or a process for exchanging RACH partitioned random access information.

In operation 1101, the UE may perform a random access process with the last serving node (which may be the CU of the last serving node and/or the DU of the last serving node).

At operation 1102, the UE may perform an RRC setup process and/or an RRC re-establishment process with the node (or CU of the node).

At operation 1103, the UE transmits information indicating that SDT information is available and/or RACH partitioned random access information is available to a node (which may be a CU of the node), such that the SDT information and/or RACH partitioned random access information is available. Notifies the node (which may be the node's CU) that it is available at the UE. Information indicating that SDT information is available and/or RACH partitioned random access information is available may be the third information mentioned above. Information indicating that SDT information and/or RACH partitioned random access information is available may be transmitted through an RRC Setup Complete (RRCSetupComplete) message.

At operation 1104, the node (which may be a CU of the node) may transmit a request for SDT information and/or RACH partitioned random access information to the UE, requesting the UE to report SDT information and/or RACH partitioned random access information. there is. The request for SDT information and/or RACH partitioned random access information may be the fourth information mentioned above. A request for SDT information and/or RACH partitioned random access information may be transmitted via a UE Information Request (UEInformationRequest) message.

At operation 1105, the UE may transmit SDT information and/or RACH partitioned random access information to the node (or CU of the node). SDT information may be the first information mentioned above. The RACH partitioned random access information may be the second information mentioned above. SDT information and/or RACH partitioned random access information may be transmitted through a UE Information Response (UEInformationResponse) message.

At operation 1106, the node (or CU of the node) may transmit SDT information and/or RACH partitioned random access information to the AMF. SDT information may be the first information mentioned above. The RACH partitioned random access information may be the second information mentioned above. The SDT information and/or RACH partitioned random access information may include all and/or part of the information in step 1105. SDT information and/or RACH partitioned random access information may be transmitted through an Uplink RAN Configuration Transfer message.

At operation 1107, the AMF may transmit SDT information and/or RACH partitioned random access information to the last serving node (or the CU of the last serving node). SDT information may be the first information mentioned above. The RACH partitioned random access information may be the second information mentioned above. The SDT information and/or RACH partitioned random access information may include all and/or part of the information in operation 1106. SDT information and/or RACH partitioned random access information may be transmitted through a Downlink RAN Configuration Transfer message.

The CU of the last serving node may also transmit all and/or part of the received SDT information and/or RACH partitioned random access information to the DU of the last serving node.

The last serving node (which may be the secondary node's CU or the secondary node's DU) may make self-optimization decisions and/or update settings based on the received SDT information and/or RACH partitioned random access information.

12 shows a schematic diagram of a method for supporting network self-optimization according to embodiments of the present disclosure. Specifically, FIG. 12 shows SDT configuration information and/or RACH partition random access settings between two entities, such that the second entity can obtain the SDT setup information and/or RACH partition random access setup information to update the settings, etc. A process for exchanging access setting information (i.e., the previously mentioned SDT setting information and/or RACH partition setting information) is shown. According to one embodiment, for example, the first entity may be gNB or gNB-CU or gNB-DU or gNB CU-CP or gNB CU-UP or en-gNB or eNB or ng-eNB and the second entity may be may be gNB or gNB-CU or gNB-DU or gNB CU-CP or gNB CU-UP or en-gNB or eNB or ng-eNB. According to another embodiment, for example, the first entity may be AMF or SMF or MME, and the second entity may be gNB or gNB-CU or gNB CU-CP or en-gNB or eNB or ng-eNB. . According to another embodiment, for example, the first entity may be gNB or gNB-CU or gNB CU-CP or en-gNB or eNB or ng-eNB, and the second entity may be AMF or SMF or MME. You can.

At operation 1201, the first entity may transmit SDT configuration information and/or RACH partitioned random access configuration information to the second entity. SDT setting information and/or RACH split random access setting information may be the fifth information mentioned above.

In operation 1202, the second entity may update settings based on the received SDT configuration information and/or RACH partitioned random access configuration information.

13 shows a schematic diagram of a method for supporting network self-optimization according to embodiments of the present disclosure. Specifically, FIG. 13 illustrates a communication between two entities such that the first entity can negotiate SDT configuration information and/or RACH partitioned random access configuration information with the second entity and the first entity can update settings, etc. shows a process for exchanging SDT configuration information and/or RACH partitioned random access configuration information. According to one embodiment, for example, the first entity may be gNB or gNB-CU or gNB-DU or gNB CU-CP or gNB CU-UP or en-gNB or eNB or ng-eNB and the second entity may be may be gNB or gNB-CU or gNB-DU or gNB CU-CP or gNB CU-UP or en-gNB or eNB or ng-eNB. According to another embodiment, for example, the first entity may be AMF or SMF or MME, and the second entity may be gNB or gNB-CU or gNB CU-CP or en-gNB or eNB or ng-eNB there is. According to another embodiment, for example, the first entity may be gNB or gNB-CU or gNB CU-CP or en-gNB or eNB or ng-eNB, and the second entity may be AMF or SMF or MME. You can.

At operation 1301, the first entity may transmit SDT configuration information and/or RACH partitioned random access configuration information to the second entity. SDT setting information and/or RACH split random access setting information may be the fifth information mentioned above.

At operation 1302, the second entity may transmit SDT configuration information and/or RACH partitioned random access configuration information associated with the second entity to the first entity. SDT setting information and/or RACH partitioned random access setting information may also be the aforementioned fifth information.

In operation 1303, the first entity may update settings, etc. based on the SDT configuration information and/or RACH partitioned random access configuration information negotiated in step 1301 and/or 1302.

Next, Figure 14 shows a schematic diagram of the first entity 1400 according to embodiments of the present disclosure.

As shown in FIG. 14, the first entity (or first entity device) 1400 according to embodiments of the present disclosure may include a transceiver 1410 and a processor 1420. Transceiver 1410 may be configured to transmit and receive signals. Processor 1420 may be coupled to transceiver 1410 and configured to perform (e.g., control transceiver 1410 to perform) methods performed by a first entity according to embodiments of the present disclosure. It can be.

Figure 15 shows a schematic diagram of a second entity 1500 according to embodiments of the present disclosure.

As shown in FIG. 15, the second entity (or second entity device) 1500 according to embodiments of the present disclosure may include a transceiver 1510 and a processor 1520. Transceiver 1510 may be configured to transmit and receive signals. Processor 1520 may be coupled to transceiver 1510 and configured to perform (e.g., control transceiver 1510 to perform) methods performed by a second entity according to embodiments of the present disclosure. It can be. The processor is also called a controller.

Figure 16 shows a block diagram of a terminal (or user equipment (UE)) according to embodiments of the present disclosure. Figure 16 may correspond to the example of UE 101 in Figure 1.

As shown in FIG. 16, the UE according to one embodiment may include a transceiver 1610, a memory 1620, and a processor 1630. The UE's transceiver 1610, memory 1620, and processor 1630 may operate according to the UE's communication method described above. However, the components of the UE are not limited to this. For example, a UE may include more or fewer components than those described above. Additionally, the processor 1630, transceiver 1610, and memory 1620 may be implemented as one chip. Additionally, processor 1630 may include at least one processor.

The transceiver 1610 collectively refers to a UE receiver and a UE transmitter, and can transmit/receive signals to/from a base station or network entity. Signals transmitted to or received from a base station or network entity may include control information and data. The transceiver 1610 may include an RF transmitter for up-converting and amplifying the frequency of a transmitted signal, and an RF receiver for low-noise amplifying and down-converting the frequency of a received signal. However, this is only an example of transceiver 1610, and the components of transceiver 1610 are not limited to an RF transmitter and an RF receiver.

Additionally, the transceiver 1610 may receive a signal through a wireless channel, output it to the processor 1630, and transmit the signal output from the processor 1630 through a wireless channel.

The memory 1620 may store programs and data required for UE operations. Additionally, the memory 1620 may store control information or data included in signals acquired by the UE. The memory 1620 may be a storage medium such as read-only memory (ROM), random access memory (RAM), hard disk, CD-ROM, and DVD, or a combination of storage media.

Processor 1630 may control a series of processes so that the UE operates as described above. For example, transceiver 1610 may receive data signals including control signals transmitted by a base station or network entity, and processor 1630 may receive control signals and data signals transmitted by a base station or network entity. You can decide the outcome.

17 shows a block diagram of a base station, according to embodiments of the present disclosure. Figure 17 may correspond to the example of gNB in Figure 1.

As shown in FIG. 17, the base station according to one embodiment may include a transceiver 1710, a memory 1720, and a processor 1730. The transceiver 1710, memory 1720, and processor 1730 of the base station may operate according to the base station communication method described above. However, the components of the base station are not limited to this. For example, a base station may include more or fewer components than those described above. Additionally, the processor 1730, transceiver 1710, and memory 1720 may be implemented as one chip. Additionally, the processor 1730 may include at least one processor.

The transceiver 1710 collectively refers to a base station receiver and a base station transmitter, and can transmit/receive signals to/from a terminal or network entity. Signals transmitted or received to or from a terminal or network entity may include control information and data. The transceiver 1710 may include an RF transmitter for up-converting and amplifying the frequency of the transmitted signal, and an RF receiver for low-noise amplifying and down-converting the frequency of the received signal. However, this is only an example of transceiver 1710, and the components of transceiver 1710 are not limited to an RF transmitter and an RF receiver.

Additionally, the transceiver 1710 may receive a signal through a wireless channel and output it to the processor 1730, and transmit the signal output from the processor 1730 through a wireless channel.

The memory 1720 can store programs and data necessary for operations of the base station. Additionally, the memory 1720 may store control information or data included in a signal acquired by the base station. The memory 1720 may be a storage medium such as read-only memory (ROM), random access memory (RAM), hard disk, CD-ROM, and DVD, or a combination of storage media.

Processor 1730 may control a series of processes to cause the base station to operate as described above. For example, the transceiver 1710 may receive a data signal including a control signal transmitted by the terminal, and the processor 1730 may determine the result of receiving the control signal and data signal transmitted by the terminal.

In the above-described embodiments of the present disclosure, elements included in the present disclosure are expressed in singular or plural form depending on the embodiments. However, the singular or plural forms are appropriately selected for convenience of description, and the present disclosure is not limited thereto. As such, an element expressed in the plural form may also be configured as a single component, and an element expressed in the singular form may also be configured as a plurality of elements.

Embodiments of the present disclosure may also provide a computer-readable medium storing computer-readable instructions that, when executed by a processor, implement any method according to the embodiments of the present disclosure.

Various embodiments of the present disclosure may be implemented as computer-readable codes embodied in a computer-readable recording medium in certain aspects. A computer-readable recording medium is any data storage device that can store data readable by a computer system. Examples of computer-readable recording media include read-only memory (ROM), random access memory (RAM), compact disk read-only memory (CD-ROM), magnetic tape, floppy disk, optical data storage devices, and carrier wave. ) (e.g., data transmission via the Internet), etc. Computer-readable recording media can be distributed by computer systems connected through a network, so computer-readable codes can be stored and executed in a distributed manner. Moreover, functional programs, codes, and code segments for implementing various embodiments of the present disclosure can be easily explained by a person skilled in the art to which the embodiments of the present disclosure are applied.

It will be understood that embodiments of the present disclosure may be implemented in the form of hardware, software, or a combination of hardware and software. Software may be stored on a non-transitory computer-readable medium as program instructions or computer-readable code executable on a processor. Examples of non-transitory computer-readable recording media include magnetic storage media (eg, ROM, floppy disk, hard disk, etc.) and optical recording media (eg, CD-ROM, digital video disk (DVD), etc.). Non-transitory computer-readable recording media may be distributed over network-coupled computer systems such that computer-readable codes are stored and executed in a distributed manner. Media can be read by a computer, stored in memory, and executed by a processor. Various embodiments may be implemented as a computer or portable terminal including a controller and memory, and the memory is a non-transitory computer-readable recording medium suitable for storing program(s) having instructions for implementing embodiments of the present disclosure. This may be an example of. The present disclosure can be realized by a program having code for specifically implementing the apparatus and method described in the claims, stored in a machine (or computer) readable storage medium. The program may be delivered electronically on any medium, such as communication signals transmitted over a wired or wireless connection, and this disclosure suitably includes equivalents thereof.

What is described above is only a specific implementation of the present disclosure, and the protection scope of the present disclosure is not limited thereto. Anyone skilled in the art can make various changes or substitutions within the scope of the technology disclosed in this disclosure, and these changes or substitutions should be included within the protection scope of this disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims (15)

In a method performed by a user equipment (UE) in a wireless communication system,
An operation of receiving a message requesting a random access (RA) report from a base station; and
Comprising the operation of transmitting the RA report including random access channel (RACH) split configuration information to the base station,
The RACH division setting information indicates RACH division settings used for random access,
The RACH partition setting information includes feature combination information associated with the RACH partition setting. In claim 1,
The feature combination information represents at least one of reduced capability (RedCap), small data transmission (SDT), slice, or coverage enhancement. In claim 2,
The RACH partition setting information includes feature priority information for the feature combination information. In claim 1,
The RACH partition setting information includes time information indicating the time from the random access to the RA report. In a terminal (user equipment) in a wireless communication system,
transceiver; and
Includes a controller coupled to the transceiver,
The controller is,
Receive a message requesting a random access (RA) report from a base station,
Configured to transmit the RA report including random access channel (RACH) split configuration information to the base station,
The RACH division setting information indicates RACH division settings used for random access,
The RACH partition setting information includes feature combination information associated with the RACH partition setting. In claim 5,
The feature combination information represents at least one of reduced capability (RedCap), small data transmission (SDT), slice, or coverage enhancement. In claim 6,
The RACH split setting information includes feature priority information for the feature combination information. In claim 5,
The RACH split configuration information includes time information indicating the time from the random access to the RA report. In a method performed by a base station in a wireless communication system,
An operation of transmitting a message requesting a random access (RA) report to a user equipment; and
Comprising the operation of receiving, from the terminal, an RA report including random access channel (RACH) split configuration information for random access,
The RACH division setting information indicates RACH division settings used for random access,
The RACH partition setting information includes feature combination information associated with the RACH partition setting. In claim 9,
The feature combination information represents at least one of reduced capability (RedCap), small data transmission (SDT), slice, or coverage enhancement. In claim 10,
The RACH partition setting information includes feature priority information for the feature combination information. In claim 9,
The RACH partition setting information includes time information indicating the time from the random access to the RA report. In a base station in a wireless communication system,
transceiver; and
Includes a controller coupled to the transceiver,
The controller is,
Send a message requesting a random access (RA) report to the user equipment, and
Configured to receive an RA report containing random access channel (RACH) split configuration information for random access from the terminal,
The RACH division setting information indicates RACH division settings used for random access,
The RACH split configuration information includes feature combination information associated with the RACH split configuration. In claim 13,
The feature combination information represents at least one of reduced capability (RedCap), small data transmission (SDT), slice, or coverage enhancement. In claim 14,
The RACH split configuration information includes feature priority information for the feature combination information or time information indicating the time from the random access to the RA report.

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