Cell selection based on supported reliability levels of wireless communication links

Abstract

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) can transmit or receive signaling indicating a supportable reliability level for a wireless communication link. The UE can initiate a cell selection procedure in response to the supportable reliability level meeting a threshold. Numerous other aspects are described.

Description

Technical Field

[0001] All aspects of this disclosure relate to wireless communication in general, and more particularly to techniques, apparatus and methods for cell selection based on a reliable level supported by a wireless communication link. Background Technology

[0002] Wireless communication systems are widely deployed to provide a variety of services, including voice, text, messaging, video, data, and / or other services. Services may include unicast, multicast, and / or broadcast services, etc. Typical wireless communication systems employ multiple access radio access technologies (RATs) capable of supporting communication with multiple users by sharing available system resources (e.g., time-domain resources, frequency-domain resources, spatial-domain resources, and / or device transmit power, etc.). Examples of such multiple access RATs include Code Division Multiple Access (CDMA) systems, Time Division Multiple Access (TDMA) systems, Frequency Division Multiple Access (FDMA) systems, Orthogonal Frequency Division Multiple Access (OFDMA) systems, Single-Carrier Frequency Division Multiple Access (SC-FDMA) systems, and Time Division Synchronous Code Division Multiple Access (TD-SCDMA) systems.

[0003] The aforementioned Multiple Access RATs have been adopted in various telecommunications standards to provide a common protocol enabling different wireless communication devices to communicate at the city, national, regional, or global level. An example telecommunications standard is New Radio (NR). NR (also known as 5G) is part of the continuous evolution of mobile broadband announced by the 3rd Generation Partnership Project (3GPP). NR (and other mobile broadband evolutions beyond NR) can be designed to better support the Internet of Things (IoT) and reduced-capacity device deployments, industrial connectivity, millimeter-wave (mmWave) expansion, licensed and unlicensed spectrum access, non-terrestrial network (NTN) deployments, sidelinks and other device-to-device direct communication technologies (e.g., cellular vehicle-to-everything (CV2X) communications), massive MIMO, decomposed network architectures and network topology expansion, multi-subscriber implementations, high-precision positioning and / or radio frequency (RF) sensing, and more. As the demand for mobile broadband access continues to grow, further improvements to NR can be implemented, and other radio access technologies (such as 6G) can be introduced to further advance mobile broadband evolution. Summary of the Invention

[0004] In some aspects, a method of wireless communication performed by a user equipment (UE) includes: transmitting or receiving signaling indicating a supportable reliability level of a wireless communication link; and initiating a cell selection process in response to the supportable reliability level meeting a threshold.

[0005] In some aspects, a method of wireless communication performed by a network node includes: sending or receiving signaling indicating a supportable reliability level of a wireless communication link; and initiating a cell selection process in response to the supportable reliability level meeting a threshold.

[0006] In some aspects, an apparatus for wireless communication at a UE includes: one or more memories; and one or more processors coupled to the one or more memories, the one or more processors being configured to cause the UE to: transmit or receive signaling indicating a supportable reliability level of a wireless communication link; and initiate a cell selection process in response to the supportable reliability level meeting a threshold.

[0007] In some aspects, an apparatus for wireless communication at a network node includes: one or more memories; and one or more processors coupled to the one or more memories and configured to cause the network node to: transmit or receive signaling indicating a supportable reliability level of a wireless communication link; and initiate a cell selection process in response to the supportable reliability level meeting a threshold.

[0008] In some aspects, a non-transitory computer-readable medium storing a set of instructions for wireless communication includes one or more instructions that, when executed by one or more processors of a UE, cause the UE to: send or receive signaling indicating a supportable reliability level of a wireless communication link; and initiate a cell selection process in response to the supportable reliability level meeting a threshold.

[0009] In some aspects, a non-transitory computer-readable medium storing a set of instructions for wireless communication includes one or more instructions that, when executed by one or more processors of a network node, cause the network node to: send or receive signaling indicating a supportable reliability level for a wireless communication link; and initiate a cell selection process in response to the supportable reliability level meeting a threshold.

[0010] In some aspects, an apparatus for wireless communication includes: components for transmitting or receiving signaling indicating a supportable reliability level of a wireless communication link; and components for initiating a cell selection process in response to the supportable reliability level meeting a threshold.

[0011] In some aspects, an apparatus for wireless communication includes: components for transmitting or receiving signaling indicating a supportable reliability level of a wireless communication link; and components for initiating a cell selection process in response to the supportable reliability level meeting a threshold.

[0012] Various aspects of this disclosure may be implemented or be implemented as described in whole by or embodied in the methods, apparatus, systems, computer program products, non-transitory computer-readable media, user equipment, base stations, network nodes, network entities, wireless communication devices and / or processing systems as fully described in the specification and drawings and illustrated in the specification and drawings.

[0013] The preceding paragraphs of this section have broadly summarized some aspects of this disclosure. These and additional aspects and their associated advantages will be described below. The disclosed aspects can serve as the basis for modifying or designing other aspects for performing the same or similar purposes of this disclosure. Such equivalent aspects do not depart from the scope of the appended claims. The characteristics of the aspects disclosed herein, their organization and operation, and their associated advantages will be better understood from the following description taken in conjunction with the accompanying drawings. Attached Figure Description

[0014] The accompanying drawings illustrate some aspects of this disclosure but do not limit its scope, as other aspects can be achieved by this description. Each drawing in the drawings is provided for illustrative and descriptive purposes and not as a definition of limitation of the claims. Identical or similar reference numerals in different drawings may identify identical or similar elements.

[0015] Figure 1 This is a diagram illustrating an example of a wireless communication network according to the present disclosure.

[0016] Figure 2 This is a diagram illustrating an example network node communicating with an example user equipment (UE) in a wireless network according to the present disclosure.

[0017] Figure 3 This is a diagram illustrating an example decomposed base station architecture according to this disclosure.

[0018] Figure 4 This is a diagram illustrating an example of a wireless communication network according to the present disclosure.

[0019] Figure 5 This is a diagram illustrating an example of a cell selection process that is at least in part based on the reliability of wireless communication links that can be supported by network nodes.

[0020] Figure 6 This is a diagram illustrating an example of a cell selection process that is at least in part based on the reliability of wireless communication links that can be supported by network nodes.

[0021] Figure 7 This is a diagram illustrating an example of a cell reselection process that is at least in part based on the reliability of wireless communication links that can be supported by network nodes.

[0022] Figure 8This is a diagram illustrating an example process performed, for example, at the UE or a device of the UE, according to this disclosure.

[0023] Figure 9 This is a diagram illustrating an example process performed, for example, at a network node or a device of a network node, according to the present disclosure.

[0024] Figure 10 This is a diagram of an example device for wireless communication according to the present disclosure.

[0025] Figure 11 This is a diagram of an example device for wireless communication according to the present disclosure. Detailed Implementation

[0026] Various aspects of this disclosure are described below with reference to the accompanying drawings. However, aspects of this disclosure may be embodied in many different forms and should not be construed as limited to any specific aspect illustrated or described with reference to the drawings or otherwise presented in this disclosure. Rather, these aspects are provided so that this disclosure will be comprehensive and complete, and will fully convey the scope of protection of this disclosure to those skilled in the art. Those skilled in the art will understand that the scope of this disclosure is intended to cover any aspect of this disclosure disclosed herein, whether implemented independently of or in combination with any other aspect of this disclosure. For example, various combinations or numbers of aspects set forth herein may be used to implement an apparatus or practice. Furthermore, the scope of this disclosure is intended to cover apparatuses having structures and / or functionalities other than those available for practicing the various aspects of this disclosure set forth herein, or methods practiced using these other structures and / or functionalities. Any aspect of this disclosure disclosed herein may be embodied by one or more elements of the claims.

[0027] Various methods, operations, apparatuses, and techniques will now be presented with reference to them. These methods, operations, apparatuses, and techniques will be described in detail below and illustrated in the accompanying drawings by various blocks, modules, components, circuits, steps, processes, or algorithms (collectively, “elements”). These elements may be implemented using hardware, software, or a combination of hardware and software. Whether these elements are implemented as hardware or software depends on the specific application and the design constraints imposed on the system as a whole.

[0028] The user equipment (UE) may perform a cell selection procedure (such as an initial cell selection procedure) to select a network node for connection to a wireless network. Additionally, the UE may perform a cell reselection procedure (e.g., a handover procedure) to hand over to a different network node. The UE may select a network node based on the signal quality of communication with the network node (e.g., during the initial cell selection procedure or during the cell reselection procedure). For example, the UE may select a network node during either the cell selection or reselection procedure if the measured signal quality (e.g., the signal quality of signals transmitted by the network node) meets a threshold.

[0029] The signal quality of communication with network nodes can change over time. For example, the signal quality of communication with network nodes can change in response to variations in the degree of physical or signal interference, variations in network congestion, changes in the environment, or changes in network coverage. Additionally, the signal quality of communication with network nodes can change in response to changes in the UE's location or speed. Therefore, a signal quality that meets a threshold measured before the cell selection process does not necessarily indicate that the network node will continue to support communication with a signal quality that meets the threshold. For example, the UE may initially select a network node based on the measured signal quality that meets the threshold, and subsequent communication between the UE and the network node may have degraded signal quality, which could hinder communication between the UE and the network node and degrade the reliability of the wireless communication link.

[0030] The UE can perform communications that benefit from maintaining a threshold reliability level of the wireless communication link over which it performs the communication (such as high-priority communications). For example, to perform certain forms of communication, the UE may need to maintain a connection with a specific reliability level. In one example, the UE can perform communications related to vehicle safety. In a vehicle context, vehicle safety-related communications may carry information about the operating status of the vehicle or dangers encountered or generated by the vehicle. Therefore, the safety of the vehicle and nearby vehicles and pedestrians may be related to the reliability of such communications. Here, if the connection to the network cannot maintain a reliability level corresponding to the specified vehicle safety level, the UE may be unable to maintain the specified vehicle safety level.

[0031] To ensure connectivity supports a specified vehicle safety level, the UE may need (e.g., through regulatory agencies or standards) maintain a connection with reliability that meets a defined set of parameters, such as those associated with a Vehicle Safety Integrity Level (ASIL) system. An ASIL system can be a risk classification system that defines various vehicle hazard levels (each corresponding to an ASIL). For example, multiple ASILs may be defined, such as ASIL A, ASIL B, ASIL C, and ASIL D, where ASIL A corresponds to the lowest ASIL and ASIL D corresponds to the highest ASIL. Components or devices associated with a specific ASIL may be subject to reliability or safety requirements based on that ASIL. For example, components or devices associated with a relatively high ASIL (e.g., corresponding to a relatively high level of vehicle hazard) may be subject to higher reliability or safety requirements. Additionally, components or devices associated with a relatively low ASIL (e.g., corresponding to a relatively low level of vehicle hazard) may be subject to lower reliability or safety requirements.

[0032] If the UE selects a network node for cell selection or reselection solely based on whether the measured signal quality meets a threshold, the UE may not be able to ensure that the connection between the UE and the network maintains the expected level of reliability. For example, as described above, the measured signal quality can provide incomplete information about link reliability.

[0033] This disclosure relates in general to cell selection or conditional handover procedures based on the reliability of wireless communication links that can be supported by a network node. For example, before selecting a network node for cell selection or handover, the UE may determine whether the network node is capable of supporting a communication link with a specific reliability level. In one case, the network node may send signaling indicating that the network node is capable of supporting the reliability level. Here, the UE may determine whether to initiate a cell selection or handover procedure (e.g., a conditional handover procedure) based on whether the indicated reliability level meets a threshold. In another case, the UE may send signaling to the network node indicating the reliability level that the UE expects the network node to support. Here, the network node may send signaling to the UE indicating whether the network node is capable of supporting a wireless communication link with the indicated reliability. In some cases, the network node may implicitly indicate that it is capable of supporting a wireless communication link with the indicated reliability by avoiding sending signaling indicating that the network node is unable to support a wireless communication link with the indicated reliability. When the network node indicates that it is capable of supporting a wireless communication link with the indicated reliability, the UE may initiate a cell selection or handover procedure (e.g., a conditional handover procedure).

[0034] Specific aspects of the subject matter described in this disclosure can be implemented to achieve one or more of the following potential advantages. In some examples, by determining whether a network node is capable of supporting a communication link with a specific reliability level before selecting a network node for cell selection or handover, the UE can (e.g., over time) ensure that the UE-to-network connection maintains the desired reliability level, thus improving the reliability of communications to and from the UE. Additionally, the UE sends signaling to the network node indicating that the UE expects the network node to support the reliability level, or sends signaling to the network node indicating whether the network node is capable of supporting wireless communications with a specified reliability, thereby improving inter-device coordination and enabling the UE to determine whether a network node is capable of supporting a communication link with a specific reliability level before selecting a network node for cell selection or handover, which improves the reliability of communications to and from the UE. Where the network node sends signaling to the UE indicating whether the network node is capable of supporting a wireless communication link with the indicated reliability, the signaling may include additional information related to the communication link that the network node is capable of supporting, which can further improve inter-device coordination. Additionally, signaling overhead can be reduced when network nodes implicitly indicate whether they can support wireless communication links with the indicated reliability (e.g., compared to when network nodes explicitly indicate this via signaling).

[0035] Multiple access protocols (RATs) have been adopted in various telecommunications standards to provide a common protocol enabling different wireless communication devices to communicate at the city, enterprise, national, regional, or global levels. For example, 5G New Radio (NR) is part of the continuous mobile broadband evolution program released by the 3rd Generation Partnership Project (3GPP). 5G NR supports a variety of technologies and use cases, including enhanced mobile broadband (eMBB), ultra-reliable low-latency communication (URLLC), massive machine-type communication (mMTC), millimeter wave (mmWave) technology, beamforming, network slicing, edge computing, IoT connectivity and management, and network function virtualization (NFV).

[0036] With increasing demand for broadband access and the technological evolution supported by wireless communication networks, further technological improvements can be adopted or implemented in 5G NR or future RATs (such as 6G) to further advance the evolution of wireless communication and adapt to a variety of existing and new use cases and applications. Such technological improvements can be associated with new frequency band extensions, licensed and unlicensed spectrum access, overlapping spectrum use, small cell deployments, non-terrestrial network (NTN) deployments, decomposed network architectures and network topology extensions, device aggregation, advanced duplex communication, sidelinks and other device-to-device direct communication, IoT (including passive or environmental IoT) networks, reduced-capacity (RedCap) UE functionality, industrial connectivity, multi-subscriber implementations, high-precision positioning, radio frequency (RF) sensing and / or artificial intelligence or machine learning (AI / ML), and more. These technological improvements can support use cases such as wireless backhaul, wireless data centers, extended reality (XR) and metaverse applications, meta-services for supporting vehicle connectivity, holographic and mixed reality communications, autonomous and collaborative robots, vehicle platooning and collaborative maneuvering, sensor networks, posture monitoring, brain-computer interfaces, digital twin applications, asset management, and general coverage applications using off-ground and / or aerial platforms. The methods, operations, apparatuses, and techniques described herein can implement one or more of the foregoing technologies and / or support one or more of the foregoing use cases.

[0037] Figure 1 This is a diagram illustrating an example of a wireless communication network 100 according to the present disclosure. The wireless communication network 100 may be a 5G (or NR) network or a 6G network, or may include elements of a 5G (or NR) network or a 6G network, etc. The wireless communication network 100 may include a plurality of network nodes 110, shown as network node (NN) 110a, network node 110b, network node 110c, and network node 110d. Network nodes 110 may support communication with a plurality of UEs 120 (shown as UE 120a, UE 120b, UE 120c, UE 120d, and UE 120e).

[0038] Network nodes 110 and UEs 120 of wireless communication network 100 can communicate using the electromagnetic spectrum, which can be subdivided into various categories, frequency bands, carriers, and / or channels according to frequency or wavelength. For example, devices of wireless communication network 100 can communicate using one or more operating frequency bands. In some aspects, multiple wireless networks 100 can be deployed in a given geographical area. Each wireless communication network 100 can support a specific radio access technology (RAT) (which may also be referred to as an air interface) and can operate on one or more carrier frequencies in one or more frequency ranges. Examples of RATs include 4G RAT, 5G / NR RAT, and / or 6G RAT, etc. In some examples, when multiple RATs are deployed in a given geographical area, each RAT in that geographical area can operate on a different frequency to avoid interference with each other.

[0039] Various operating frequency bands have been defined as frequency ranges designated FR1 (410 MHz to 7.125 GHz), FR2 (24.25 GHz to 52.6 GHz), FR3 (7.125 GHz to 24.25 GHz), FR4a or FR4-1 (52.6 GHz to 71 GHz), FR4 (52.6 GHz to 114.25 GHz), and FR5 (114.25 GHz to 300 GHz). Although a portion of FR1 is greater than 6 GHz, in some documents and articles, FR1 is often (interchangeably) referred to as the “sub-6 GHz” band. Similarly, in some documents and articles, FR2 is often (interchangeably) referred to as the “millimeter wave” band, but this is different from the Very High Frequency (EHF) band (30 GHz to 300 GHz) identified as the “millimeter wave” band by the International Telecommunication Union (ITU). The frequencies between FR1 and FR2 are often referred to as the mid-band frequencies, including FR3. Frequency bands falling within FR3 can inherit FR1 or FR2 characteristics, thereby effectively extending the characteristics of FR1 or FR2 into mid-band frequencies. Therefore, "below 6 GHz" (if used herein) can broadly refer to frequencies less than 6 GHz, within FR1, and / or included in mid-band frequencies. Similarly, the term "millimeter wave" (if used herein) can broadly refer to frequencies included in mid-band frequencies, within FR2, FR4, FR4-a, FR4-1, or FR5, and / or within the EHF band. Higher frequency bands can extend 5G NR operation, 6G operation, and / or other RATs above 52.6 GHz. For example, each of FR4a, FR4-1, FR4, and FR5 falls within the EHF band. In some examples, the wireless communication network 100 can implement dynamic spectrum sharing (DSS), where multiple RATs (e.g., 4G / LTE and 5G / NR) are implemented within a single frequency band using dynamic bandwidth allocation (e.g., based on user demand). It is conceivable that the frequencies included in these operating frequency bands (e.g., FR1, FR2, FR3, FR4, FR4-a, FR4-1 and / or FR5) can be modified, and the techniques described herein are applicable to those modified frequency ranges.

[0040] Network node 110 may include one or more devices, components, or systems that enable communication between UE 120 and one or more devices, components, or systems of wireless communication network 100. Network node 110 may be, may include, or may be referred to as an NR network node, 5G network node, 6G network node, node B, eNB, gNB, access point (AP), transmit / receive point (TRP), mobility element, core, network entity, network element, network equipment, and / or another type of device, component, or system included in a radio access network (RAN).

[0041] Network node 110 may be implemented as a single physical node (e.g., a single physical structure) or as two or more physical nodes (e.g., two or more different physical structures). For example, network node 110 may be a device or system implementing a portion of a radio protocol stack, a device or system implementing a complete radio protocol stack (such as a complete gNB protocol stack), or a collection of devices or systems collectively implementing a complete radio protocol stack. For example, and as shown, network node 110 may be an aggregated network node (with an aggregated architecture), meaning that network node 110 can implement a complete radio protocol stack physically and logically integrated within a single node (e.g., a single physical structure) in the wireless communication network 100. For example, aggregated network node 110 may consist of a single standalone base station or a single TRP that uses the complete radio protocol stack to implement or facilitate communication between UE 120 and the core network of wireless communication network 100.

[0042] Alternatively, and also as shown in the figure, network node 110 can be a decomposed network node (sometimes referred to as a decomposed base station), meaning that network node 110 can realize a radio protocol stack that is physically distributed and / or logically distributed among two or more nodes in the same or different geographical locations. For example, a decomposed network node may have a decomposed architecture. In some deployments, decomposed network node 110 may be used in integrated access and backhaul (IAB) networks, in open radio access networks (O-RAN) (such as network configurations conforming to O-RAN Alliance standards), or in virtualized radio access networks (vRAN) (also referred to as cloud radio access networks (C-RAN)) to facilitate scaling by decomposing base station functionality into multiple units that can be deployed independently.

[0043] Network nodes 110 of the wireless communication network 100 may include one or more central units (CUs), one or more distributed units (DUs), and / or one or more radio units (RUs). CUs may host one or more higher-layer control functions, such as Radio Resource Control (RRC) functions, Packet Data Convergence Protocol (PDCP) functions, and / or Service Data Adaptation Protocol (SDAP) functions, etc. DUs may host one or more of the Radio Link Control (RLC) layer, Media Access Control (MAC) layer, and / or one or more higher physical (PHY) layers, at least in part, according to functional splits (such as functional splits defined by 3GPP). In some examples, DUs may also host one or more lower PHY layer functions, such as Fast Fourier Transform (FFT), Inverse FFT (iFFT), beamforming, Physical Random Access Channel (PRACH) extraction and filtering, and / or scheduling of resources for one or more UEs 120, etc. RUs may host RF processing functions or lower PHY layer functions, such as FFT, iFFT, beamforming, or PRACH extraction and filtering, etc., according to functional splits (such as lower-layer functional splits). In this type of architecture, each RU can be operated to handle over-the-air (OTA) communications with one or more UE 120s.

[0044] In some aspects, network node 110 may include a combination of one or more CUs, one or more DUs, and / or one or more RUs. Additionally or alternatively, network node 110 may include one or more near real-time (near RT) RAN Intelligent Controllers (RICs) and / or one or more non-real-time (non-RT) RICs. In some examples, CUs, DUs, and / or RUs may be implemented as virtual units, such as Virtual Central Units (VCUs), Virtual Distributed Units (VDUs), or Virtual Radio Units (VRUs), etc. Virtual units may be implemented as virtual network functions, such as those associated with cloud deployments.

[0045] Some network nodes 110 (e.g., base stations, RUs, or TRPs) can provide communication coverage for specific geographic areas. In 3GPP, the term "cell" can refer to the coverage area of ​​network node 110 or to network node 110 itself, depending on the context in which the term is used. Network node 110 can support one or more (e.g., three) cells. In some examples, network node 110 can provide communication coverage for macro cells, pico cells, femto cells, or another type of cell. A macro cell can cover a relatively large geographic area (e.g., a radius of several kilometers) and can allow unrestricted access by UE 120 with a service subscription. A pico cell can cover a relatively small geographic area and can allow unrestricted access by UE 120 with a service subscription. A femto cell can cover a relatively small geographic area (e.g., a residential area) and can allow restricted access by UE 120 associated with that femto cell (e.g., UE 120 in a Closed Subscriber Group (CSG)). The network node 110 used for a macro cell may be referred to as a macro network node. Network node 110 used for a picocell may be referred to as a pico network node. Network node 110 used for a femtocell may be referred to as a femto network node or a home network node. In some examples, the cell may not necessarily be stationary. For example, the geographical area of ​​the cell may move depending on the location of the associated mobile network node 110 (e.g., a train, satellite base station, drone, or NTN network node).

[0046] The wireless communication network 100 can be a heterogeneous network, comprising different types of network nodes 110, such as macro network nodes, piconet nodes, femtonet nodes, relay network nodes, aggregation network nodes, and / or decomposition network nodes, etc. Figure 1 In the example shown, network node 110a can be a macro network node for macro cell 130a, network node 110b can be a pico network node for pico cell 130b, and network node 110c can be a femto network node for femto cell 130c. Various types of network nodes 110 can typically transmit at different power levels, serve different coverage areas, and / or have different effects on interference in the wireless communication network 100 compared to other types of network nodes 110. For example, macro network nodes can have high transmit power levels (e.g., 5 watts to 40 watts), while pico network nodes, femto network nodes, and relay network nodes can have lower transmit power levels (e.g., 0.1 watts to 2 watts).

[0047] In some examples, network node 110 may be, may include, or operate as a RU, TRP, or base station communicating with one or more UEs 120 via a radio access link (which may be referred to as a "Uu" link). The radio access link may include a downlink and an uplink. A "downlink" (or "DL") refers to the communication direction from network node 110 to UE 120, and an "uplink" (or "UL") refers to the communication direction from UE 120 to network node 110. Downlink channels may include one or more control channels and one or more data channels. Downlink control channels may be used to transmit downlink control information (DCI) (e.g., scheduling information, reference signals, and / or configuration information) from network node 110 to UE 120. Downlink data channels may be used to transmit downlink data (e.g., user data associated with UE 120) from network node 110 to UE 120. Downlink control channels may include one or more physical downlink control channels (PDCCH), and downlink data channels may include one or more physical downlink shared channels (PDSCH). The uplink channel may similarly include one or more control channels and one or more data channels. The uplink control channel can be used to transmit uplink control information (UCI) from UE 120 to network node 110 (e.g., transmitting corresponding reference signals and / or feedback with one or more downlinks). The uplink data channel can be used to transmit uplink data (e.g., user data associated with UE 120) from UE 120 to network node 110. The uplink control channel may include one or more physical uplink control channels (PUCCH), and the uplink data channel may include one or more physical uplink shared channels (PUSCH). The downlink and uplink may each include a set of resources on which network node 110 and UE 120 can communicate.

[0048] Downlink and uplink resources may include time-domain resources (frames, subframes, time slots, and / or symbols), frequency-domain resources (bands, component carriers, subcarriers, resource blocks, and / or resource elements), and / or spatial-domain resources (specific transmission directions and / or beam parameters). Frequency-domain resources in some bands may be subdivided into bandwidth portions (BWPs). A BWP may be a contiguous block of frequency-domain resources allocated to one or more UEs 120 (e.g., a contiguous block of resource blocks). UEs 120 may be configured using both uplink and downlink BWPs (where the uplink and downlink BWPs may be the same BWP or different BWPs). BWPs may be dynamically configured and / or reconfigured (e.g., by sending DCI configuration to one or more UEs 120 via network node 110), meaning that BWPs may be adjusted in real-time (or near real-time) based on changing network conditions in the wireless communication network 100 and / or based on the specific requirements of one or more UEs 120. This allows for more efficient use of available frequency domain resources in the wireless communication network 100, as fewer frequency domain resources can be allocated to the BWP for UE 120 (which reduces the number of frequency domain resources that UE 120 needs to monitor), thus allowing more frequency domain resources to be distributed across multiple UE 120s. Therefore, the BWP can also assist in the implementation of such UE 120s by facilitating the configuration of smaller bandwidths for communications performed by lower-capacity UE 120s.

[0049] As described above, in some aspects, the wireless communication network 100 may be an IAB network, may include an IAB network, or may be included in an IAB network. In an IAB network, at least one network node 110 is an anchor network node communicating with a core network. The anchor network node 110 may also be referred to as an IAB donor (or "IAB donor"). The anchor network node 110 may be connected to the core network via a wired backhaul link. For example, the Ng interface of the anchor network node 110 may terminate at the core network. Additionally or alternatively, the anchor network node 110 may be connected to one or more devices in the core network that provide core access and mobility management functions (AMF). An IAB network typically also includes multiple non-anchor network nodes 110, which may also be referred to as relay network nodes or simply IAB nodes (or "IAB-nodes"). Each non-anchor network node 110 can directly communicate with the anchor network node 110 via a wireless backhaul link to access the core network, or can indirectly communicate with the anchor network node 110 via one or more other non-anchor network nodes 110 and an associated wireless backhaul link forming a backhaul path to the core network. Some anchor network nodes 110 or other non-anchor network nodes 110 can also directly communicate with one or more UEs 120 via a wireless access link carrying access services. For example, network resources used for wireless communication (such as time resources, frequency resources, and / or spatial resources) can be shared between the access link and the backhaul link.

[0050] In some examples, any network node 110 relaying communication may be referred to as a relay network node, a relay station, or simply a repeater. A repeater may receive communications from an upstream station (e.g., another network node 110 or UE 120) and transmit communications to a downstream station (e.g., UE 120 or another network node 110). In this case, the wireless communication network 100 may include or be referred to as a "multi-hop network." Figure 1 In the example shown, network node 110d (e.g., a relay network node) can communicate with network node 110a (e.g., a macro network node) and UE 120d to facilitate communication between network node 110a and UE 120d. Additionally or alternatively, UE 120 can be a relay station capable of relaying transmissions to or from other UE 120s, or can operate as such a relay station. UE 120 relaying communication can be referred to as a UE repeater or relay UE, etc.

[0051] UE 120 may be physically distributed throughout the wireless communication network 100, and each UE 120 may be stationary or mobile. UE 120 may be, may include, an access terminal, another terminal, a mobile station, or a subscriber unit, or may be included in an access terminal, another terminal, a mobile station, or a subscriber unit. UE 120 may be, or may include, a cellular phone (e.g., a smartphone), a personal digital assistant (PDA), a wireless modem, a wireless communication device, a handheld device, a laptop computer, a cordless phone, a wireless local loop (WLL) station, a tablet computer, a camera, a gaming device, a netbook, a smartbook, an ultrabook, a medical device, a biometric device, a wearable device (e.g., a smartwatch, smart clothing, smart glasses, a smart wristband and / or smart jewelry (such as a smart ring or smart bracelet)), an entertainment device (e.g., a music device, a video device and / or a satellite radio), an XR device, a vehicle component or sensor, a smart meter or sensor, industrial manufacturing equipment, a Global Navigation Satellite System (GNSS) device (such as a Global Positioning System device or another type of positioning device), a UE function of a network node, and / or any other suitable device or function that can communicate via a wireless medium, or may be coupled to them.

[0052] UE 120 and / or network node 110 may include one or more chips, system-on-a-chip (SoC), chipsets, packages, or devices that individually or collectively constitute or include a processing system. The processing system includes processor (or “processing”) circuitry in the form of one or more processors, microprocessors, processing units (such as central processing units (CPUs), graphics processing units (GPUs), neural processing units (NPUs), and / or digital signal processors (DSPs)), processing blocks, application-specific integrated circuits (ASICs), programmable logic devices (PLDs) (such as field-programmable gate arrays (FPGAs)), or other discrete gate or transistor logic components or circuits (all of which are generally referred to herein individually as “processors” or collectively as “processors” or “processor circuitry”). One or more of these processors may be individually or collectively configured to perform the various functions or operations described herein. A processor group that can be configured or configured to perform a set of functions may include a first processor that can be configured or configured to perform a first function in the set, and a second processor that can be configured or configured to perform a second function in the set, or may include the entire processor group that is configured or configured to perform the set of functions.

[0053] The processing system may also include memory circuitry in the form of one or more memory devices, memory blocks, memory elements, or other discrete gate or transistor logic components or circuits, each of which may include tangible storage media such as random access memory (RAM) or read-only memory (ROM) or combinations thereof (all of which are generally referred to herein individually as "memory" or collectively as "memory" or "memory circuitry"). One or more of these memories may be coupled to one or more processors in the processor (e.g., operatively coupled, communicatively coupled, electronically coupled, or electrically coupled) and may store processor-executable code (such as software) individually or collectively, which, when executed by one or more processors in the processor, may configure one or more processors in the processor to perform the various functions or operations described herein. Additionally or alternatively, in some examples, one or more processors in the processor may be pre-configured to perform the various functions or operations described herein without being configured by software. The processing system may also include or be coupled to one or more modems (such as Wi-Fi (e.g., IEEE compliant) modems or cellular (e.g., 3GPP 4G LTE, 5G, or 6G compliant) modems). In some embodiments, one or more processors of the processing system include or implement one or more modems among the modems. The processing system may also include, or be coupled to, multiple radio components (collectively, “radio components”), multiple RF chains, or multiple transceivers, each of which may in turn be coupled to one or more antennas among a plurality of antennas. In some embodiments, one or more processors of the processing system include or implement one or more of the radio components, RF chains, or transceivers. UE 120 may be included or may be contained in a housing that houses components associated with UE 120, including the processing system.

[0054] Some UEs 120 may be considered Machine Type Communication (MTC) UEs, Evolved or Enhanced Machine Type Communication (eMTC) UEs, Further Enhanced eMTC (feMTC) UEs, or Enhanced feMTC (efeMTC) UEs, or further evolutions thereof, all of which may be referred to simply as "MTC UEs". MTC UEs may be, may include, or may be included in or coupled with the following: robots, unmanned aerial vehicles or drones, remote devices, sensors, meters, monitors, and / or location tags. Some UEs 120 may be considered IoT devices and / or may be implemented as NB-IoT (Narrowband IoT) devices. IoT UEs or NB-IoT devices may be, may include, or may be included in or coupled with the following: industrial machines, appliances, refrigerators, doorbell camera devices, home automation devices, and / or lighting fixtures, etc. Some UEs 120 may be considered customer premises equipment, which may include telecommunications equipment installed at a customer location (such as a home or office) to enable access to a service provider’s network (such as being included in or communicating with the wireless communication network 100).

[0055] Some UEs 120 can be categorized according to different categories associated with varying levels of complexity and / or capabilities. UEs 120 in the first category facilitate large-scale IoT within the wireless communication network 100 and offer lower complexity and / or cost compared to UEs 120 in the second category. UEs 120 in the second category may include mission-critical IoT devices capable of URLLC, enhanced mobile broadband (eMBB), and / or precise positioning within the wireless communication network 100, legacy UEs, baseline UEs, high-level UEs, advanced UEs, full-capability UEs, and / or premium UEs. UEs 120 in the third category may have intermediate-level complexity and / or capabilities (e.g., capabilities between first-category UEs 120 and second-capability UEs 120). UEs 120 in the third category may be referred to as reduced-capability UEs (“RedCap UEs”), intermediate-level UEs, NR lightweight UEs, and / or NR-Lite UEs, etc. RedCap UEs bridge the gap in capabilities and complexity between NB-IoT devices and / or eMTC UEs and mission-critical IoT devices and / or premium UEs. RedCap UEs can include, for example, wearable devices, IoT devices, industrial sensors, and / or cameras associated with limited bandwidth, power capacity, and / or transmission range. RedCap UEs can support healthcare environments, building automation, power distribution, process automation, transportation and logistics, and / or smart city deployments, among others.

[0056] In some examples, two or more UEs 120 (e.g., shown as UE 120a and UE 120e) can communicate directly with each other using sidelink communication (e.g., without communication through a network node 110 acting as an intermediary). As an example, UE 120a can directly send data, control information, or other signaling to UE 120e as sidelink communication. This contrasts with, for example, UE 120a first sending data to network node 110 in UL communication, and then that network node sending data to UE 120e in DL communication. In various examples, UE 120 can use peer-to-peer (P2P) communication protocols, device-to-device (D2D) communication protocols, vehicle-to-everything (V2X) communication protocols (which may include vehicle-to-vehicle (V2V) protocols, vehicle-to-infrastructure (V2I) protocols, and / or vehicle-to-pedestrian (V2P) protocols), and / or mesh network communication protocols to send and receive sidelink communication. In some deployments and configurations, network node 110 may schedule and / or allocate resources for sidelink communication between UEs 120 in the wireless communication network 100. In some other deployments and configurations, UE 120 (instead of network node 110) may perform or cooperate with or negotiate with one or more other UEs to perform scheduling operations, resource selection operations, and / or other operations for sidelink communication.

[0057] In various examples, in addition to half-duplex operation, some network nodes and UEs in the wireless communication network 100, including network node 110 and UE 120, can also be configured for full-duplex operation. Network node 110 or UE 120 operating in half-duplex mode can perform only one of transmission or reception during a specific time resource period (such as a specific time slot, symbol, or other time period). Half-duplex operation may involve time division duplex (TDD), where the DL transmission of network node 110 and the UL transmission of UE 120 do not occur in the same time resource (i.e., the transmissions do not overlap in time). In contrast, network node 110 or UE 120 operating in full-duplex mode can transmit and receive communications concurrently (e.g., within the same time resource). By operating in full-duplex mode, network node 110 and / or UE 120 can generally increase the capacity of the network and radio access links. In some examples, full-duplex operation may involve frequency division duplex (FDD), in which network node 110 performs DL transmission in a first frequency band or on a first component carrier, and UE 120 performs transmission in a second frequency band or on a second component carrier, the second frequency band or the second component carrier being different from the first frequency band or the first component carrier, respectively. In some examples, full-duplex operation may be enabled for UE 120 but not for network node 110. For example, UE 120 may simultaneously transmit UL to the first network node 110 and receive DL transmissions from the second network node 110 in the same time resources. In some other examples, full-duplex operation may be enabled for network node 110 but not for UE 120. For example, network node 110 may simultaneously transmit DL to the first UE 120 and receive UL transmissions from the second UE 120 in the same time resources. In some other examples, full-duplex operation may be enabled for both network node 110 and UE 120.

[0058] In some examples, UE 120 and network node 110 can perform MIMO communication. "MIMO" generally refers to the simultaneous transmission or reception of multiple signals (such as multiple layers or multiple data streams) using the same time and frequency resources. MIMO techniques typically utilize multipath propagation. MIMO can be implemented using various spatial processing or spatial multiplexing operations. In some examples, MIMO can support simultaneous transmission to multiple receivers, which is called multi-user MIMO (MU-MIMO). Some RATs can employ advanced MIMO techniques such as mTRP operations (including redundant transmission or reception on multiple TRPs), reciprocity in the time or frequency domain, single-frequency network (SFN) transmission, or noncoherent joint transmission (NC-JT).

[0059] In some aspects, UE 120 may include a communication manager 140. As described in more detail elsewhere herein, the communication manager 140 may: send or receive signaling indicating a supportable reliability level for a wireless communication link; and initiate a cell selection process in response to the supportable reliability level meeting a threshold (e.g., using a controller / processor 280, a transmit processor 264, a TX MIMO processor 266, a modem 254, an antenna 252, a memory 282, a MIMO detector 256, and / or a receive processor 258, etc.). Additionally or alternatively, the communication manager 140 may perform one or more other operations described herein.

[0060] In some aspects, network node 110 may include communication manager 150. As described in more detail elsewhere herein, communication manager 150 may: send or receive signaling indicating a supportable reliability level for a wireless communication link; and initiate a cell selection process in response to the supportable reliability level meeting a threshold (e.g., using controller / processor 240, transmit processor 220, TXMIMO processor 230, modem 232, antenna 234, memory 242, receive processor 238, and / or MIMO detector 236, etc.). Additionally or alternatively, communication manager 150 may perform one or more other operations described herein.

[0061] As indicated above, Figure 1 This is provided as an example. Other examples are available with reference to [the relevant information]. Figure 1 The examples described are different.

[0062] Figure 2 This is a diagram illustrating communication between an example network node 110 and an example UE 120 in a wireless network according to the present disclosure.

[0063] like Figure 2As shown, network node 110 may include a data source 212, a transmit processor 214, a transmit (TX) MIMO processor 216, a set of modems 232 (shown as 232a to 232t, where t≥1), a set of antennas 234 (shown as 234a to 234v, where v≥1), a MIMO detector 236, a receive processor 238, a data sink 239, a controller / processor 240, a memory 242, a communication unit 244, a scheduler 246, and / or a communication manager 150, etc. In some configurations, one or a combination of antennas 234, modems 232, MIMO detectors 236, receive processors 238, transmit processors 214, and / or TX MIMO processors 216 may be included in the transceiver of network node 110. The transceiver may be under the control of and used by one or more processors (such as controller / processor 240), and in some respects, may perform aspects of the methods, procedures and / or operations described herein in conjunction with processor-readable code stored in memory 242. In some respects, network node 110 may include one or more interfaces, communication components and / or other components that facilitate communication with UE 120 or another network node.

[0064] The terms “processor,” “controller,” or “controller / processor” can refer to one or more controllers and / or one or more processors. For example, references to “processor,” “controller / processor,” etc. (in the singular) should be understood as referring to a combination of… Figure 2 The processor described refers to any one or more processors, such as a single processor or a combination of multiple different processors. The reference to "one or more processors" should be understood as a combination of references. Figure 2 Any one or more processors described herein. For example, one or more processors of network node 110 may include transmit processor 214, TX MIMO processor 216, MIMO detector 236, receive processor 238, and / or controller / processor 240. Similarly, one or more processors of UE 120 may include MIMO detector 256, receive processor 258, transmit processor 264, TX MIMO processor 266, and / or controller / processor 280.

[0065] In some aspects, a single processor can perform all operations described as being performed by one or more processors. In some aspects, a first set of one or more processors can perform a first operation described as being performed by that one or more processors, and a second set of one or more processors can perform a second operation described as being performed by that one or more processors. The first set of processors and the second set of processors can be the same set of processors or can be different sets of processors. The reference to "one or more memories" should be understood to refer to any one or more memories of the corresponding device, such as those in combination. Figure 2 The memory described. For example, an operation described as being performed by one or more memories can be performed by the same subset of the one or more memories or by different subsets of the one or more memories.

[0066] For downlink communication from network node 110 to UE 120, transmitting processor 214 may receive data (“downlink data”) intended for use by UE 120 (or a set of UEs including UE 120) from data source 212 (such as a data pipeline or data queue). In some examples, transmitting processor 214 may select one or more modulation and decoding schemes (MCS) for UE 120 based on one or more channel quality indicators (CQIs) received from UE 120. Network node 110 may process the data (e.g., including encoding the data) according to the MCS selected for UE 120 for transmission to UE 120 on the downlink, thereby generating data symbols. Transmitting processor 214 may process system information (e.g., semi-static resource partitioning information (SRPI)) and / or control information (e.g., CQI requests, grants, and / or upper-layer signaling) and provide overhead symbols and / or control symbols. The transmitting processor 214 can generate reference symbols for reference signals (e.g., cell-specific reference signals (CRS), demodulation reference signals (DMRS), or channel state information (CSI) reference signals (CSI-RS)) and / or synchronization signals (e.g., primary synchronization signal (PSS) or secondary synchronization signal (SSS)).

[0067] The TX MIMO processor 216 can perform space processing (e.g., pre-decoding) on ​​data symbols, control symbols, overhead symbols, and / or reference symbols where applicable, and can output a set of symbol streams (e.g., TA set of output symbol streams is provided to modem 232. For example, each output symbol stream may be provided to a corresponding modulator component (shown as MOD) of modem 232. Each modem 232 may use the corresponding modulator component to process (e.g., modulate) the corresponding output symbol stream (e.g., for orthogonal frequency division multiplexing (OFDM)) to obtain an output sample stream. Each modem 232 may further use the corresponding modulator component to process (e.g., convert to analog, amplify, filter, and / or up-convert) the output sample stream to obtain a time-domain downlink signal. Modems 232a to 232t may transmit the set of downlink signals (e.g., via a set of corresponding antennas 234) together. T (One downlink signal).

[0068] Downlink signals may include DCI communication, MAC control element (MAC-CE) communication, RRC communication, downlink reference signals, or another type of downlink communication. Downlink signals may be transmitted on the PDCCH, PDSCH, and / or on another downlink channel. Downlink signals may carry one or more transport blocks (TBs) of data. A TB may be a data unit transmitted via the air interface in the wireless communication network 100. A data stream (e.g., from data source 212) may be encoded into multiple TBs for transmission via the air interface. The number of TBs used to carry data associated with a particular data stream may be associated with a TB size shared by multiple TBs. The TB size may be based on the radio channel conditions of the air interface, the MCS used to encode the data, downlink resources allocated for transmitting data, and / or other parameters, or otherwise associated with them. Generally, a larger TB size allows for a larger amount of data to be transmitted in a single transmission, reducing signaling overhead. However, a larger TB size may be more prone to transmission and / or reception errors than a smaller TB size, but such errors can be mitigated through more robust error correction techniques.

[0069] For uplink communication from UE 120 to network node 110, the uplink signal from UE 120 may be received by antenna 234, processed by modem 232 (e.g., demodulator component of modem 232, shown as DEMOD), detected where applicable by MIMO detector 236 (e.g., receive (Rx) MIMO processor), and / or further processed by receive processor 238 to obtain decoded data and / or control information. Receive processor 238 may provide the decoded data to data sink 239 (which may be a data pipeline, data queue, and / or another type of data sink) and provide the decoded control information to processors such as controller / processor 240.

[0070] Network node 110 may use scheduler 246 to schedule one or more UEs 120 for downlink or uplink communication. In some aspects, scheduler 246 may use DCI to dynamically schedule DL transmissions to and / or UL transmissions from UE 120. In some examples, scheduler 246 may allocate repetitive time-domain and / or frequency-domain resources that UE 120 may use to transmit and / or receive communication using RRC configuration (e.g., semi-static configuration), for example, to perform semi-persistent scheduling (SPS) or to configure configuration grant (CG) for UE 120.

[0071] One or more of the following may be included in the RF chain of network node 110: transmit processor 214, TX MIMO processor 216, modem 232, antenna 234, MIMO detector 236, receive processor 238, and / or controller / processor 240. The RF chain may include one or more filters, mixers, oscillators, amplifiers, analog-to-digital converters (ADCs), and / or other devices for converting analog signals (such as those used for transmission or reception via an air interface) to digital signals (such as those used for processing by one or more processors of network node 110). In some aspects, the RF chain may be a transceiver of network node 110, or may be included in such a transceiver.

[0072] In some examples, network node 110 may use communication unit 244 to communicate with the core network and / or other network nodes. Communication unit 244 may support wired and / or wireless communication protocols and / or connections, such as Ethernet, fiber optic, Common Public Radio Interface (CPRI), and / or wired or wireless backhaul, etc. Network node 110 may use communication unit 244 to send and / or receive data associated with UE 120, or to perform network control signaling transmission, etc. Communication unit 244 may include transceivers and / or interfaces, such as network interfaces.

[0073] UE 120 may include a collection of antennas 252 (shown as antennas 252a to 252r, where r ≥ 1), a collection of modems 254 (shown as modems 254a to 254u, where u ≥ 1), a MIMO detector 256, a receive processor 258, a data sink 260, a data source 262, a transmit processor 264, a TX MIMO processor 266, a controller / processor 280, a memory 282, and / or a communication manager 140, etc. One or more components of UE 120 may be included in housing 284. In some aspects, one or a combination of antenna 252, modem 254, MIMO detector 256, receive processor 258, transmit processor 264, or TX MIMO processor 266 may be included in a transceiver included in UE 120. The transceiver may be under the control of and used by one or more processors (such as controller / processor 280), and in some respects, may perform aspects of the methods, procedures, or operations described herein in conjunction with processor-readable code stored in memory 282. In some respects, UE 120 may include another interface, another communication component, and / or another component that facilitates communication with network node 110 and / or another UE 120.

[0074] For downlink communication from network node 110 to UE 120, the set of antennas 252 can receive downlink communication or signals from network node 110, and can receive the set of downlink signals (e.g., R Each received signal is provided to a set of modems 254. For example, each received signal may be provided to a corresponding demodulator component (shown as DEMOD) of modem 254. Each modem 254 may use the corresponding demodulator component to condition (e.g., filter, amplify, down-convert, and / or digitize) the received signal to obtain an input sample. Each modem 254 may use the corresponding demodulator component to further demodulate or process the input sample (e.g., for OFDM) to obtain a received symbol. MIMO detector 256 may obtain the received symbols from the set of modems 254, may perform MIMO detection on the received symbols where applicable, and may provide the detected symbols. Receiver processor 258 may process (e.g., decode) the detected symbols, may provide the decoded data for UE 120 to data sink 260 (which may include data pipelines, data queues, and / or applications executed on UE 120), and may provide the decoded control information and system information to controller / processor 280.

[0075] For uplink communication from UE 120 to network node 110, the transmitting processor 264 may receive and process data (“uplink data”) from data source 262 (such as data pipelines, data queues, and / or applications running on UE 120) and control information from controller / processor 280. The control information may include one or more parameters, feedback, one or more signal measurements, and / or other types of control information. In some aspects, the receiving processor 258 and / or controller / processor 280 may determine one or more parameters related to the transmission of uplink communication for received signals (such as those received from network node 110 or another UE). One or more parameters may include a Reference Signal Received Power (RSRP) parameter, a Received Signal Strength Indicator (RSSI) parameter, a Reference Signal Received Quality (RSRQ) parameter, a Channel Quality Indicator (CQI) parameter, or a Transmit Power Control (TPC) parameter, etc. The control information may include indications of RSRP, RSSI, RSRQ, CQI, TPC, and / or another parameter. Control information can facilitate parameter selection and / or scheduling for UE 120 by network node 110.

[0076] Transmit processor 264 can generate reference symbols for one or more reference signals, such as uplink DMRS, uplink SRS, and / or another type of reference signal. Symbols from transmit processor 264 may (where applicable) be pre-decoded by TX MIMO processor 266 and further processed by an assembly of modems 254 (e.g., for DFT-s-OFDM or CP-OFDM). TX MIMO processor 266 may (where applicable) perform spatial processing (e.g., pre-decoding) on ​​data symbols, control symbols, overhead symbols, and / or reference symbols, and may provide an assembly of output symbol streams (e.g., ...) to the assembly of modems 254. U Each output symbol stream may be provided to a corresponding modulator component (shown as MOD) of modem 254. Each modem 254 may use the corresponding modulator component to process (e.g., modulate) the corresponding output symbol stream (e.g., for OFDM) to obtain an output sample stream. Each modem 254 may further use the corresponding modulator component to process (e.g., convert to analog, amplify, filter, and / or upconvert) the output sample stream to obtain an uplink signal.

[0077] Modems 254a to 254u can transmit a set of uplink signals (e.g., via a set of corresponding antennas 252) R One uplink signal or UUplink signals may include UCI communication, MAC-CE communication, RRC communication, or another type of uplink communication. Uplink signals may be transmitted on PUSCH, PUCCH, and / or another type of uplink channel. Uplink signals may carry one or more TBs of data. Sidelink data and control transmission (i.e., transmission directly between two or more UEs 120) may typically use techniques similar to those described for uplink data and control transmission, and may use sidelink-specific channels such as the Physical Sidelink Shared Channel (PSSCH), Physical Sidelink Control Channel (PSCCH), and / or Physical Sidelink Feedback Channel (PSFCH).

[0078] One or more antennas in the set of antennas 252 or the set of antennas 234 may include one or more antenna panels, one or more antenna groups, one or more sets of antenna elements, or one or more antenna arrays, etc., or may be included in one or more antenna panels, one or more antenna groups, one or more sets of antenna elements, or one or more antenna arrays, etc. Antenna panels, antenna groups, sets of antenna elements, or antenna arrays may include one or more antenna elements (within a single housing or multiple housings), a set of coplanar antenna elements, a set of non-coplanar antenna elements, or with one or more transmitting or receiving components (such as...) Figure 2 An antenna module is a combination of one or more antenna elements coupled to one or more components. As used herein, "antenna" can mean one or more antennas, one or more antenna panels, one or more antenna groups, one or more collections of antenna elements, or one or more antenna arrays. "Antenna panel" can mean a group of antennas (such as antenna elements) arranged in an array or panel that can facilitate beamforming by manipulating the parameters of that group of antennas. "Antenna module" can mean a circuit that includes one or more antennas, and may also include one or more other components (such as filters, amplifiers, or processors) associated with integrating the antenna module into a wireless communication device.

[0079] In some examples, each antenna element of antenna 234 or antenna 252 may include one or more sub-elements for radiating or receiving radio frequency signals. For example, a single antenna element may include a first sub-element cross-polarized with a second sub-element that can be used to independently transmit the cross-polarized signal. Antenna elements may include patch antennas, dipole antennas, and / or other types of antennas arranged in a linear pattern, a two-dimensional pattern, or another pattern. The spacing between antenna elements can allow signals with a desired wavelength transmitted individually by the antenna elements to interact or interfere (e.g., to form a desired beam) in various directions. For example, given a desired wavelength or frequency range, the spacing may provide a quarter wavelength, half a wavelength, or another fraction of the wavelength between adjacent antenna elements to allow desired constructive and destructive interference modes of signals transmitted by individual antenna elements within that desired range.

[0080] The amplitude and / or phase of signals transmitted via antenna elements and / or sub-elements can be modulated and (e.g., by manipulating phase shifts, phase offsets, and / or amplitudes) shifted relative to each other to generate one or more beams; this is known as beamforming. The term "beam" can refer to the directional transmission of a wireless signal toward a receiving device or otherwise in a desired direction. "Beam" can also generally refer to the direction associated with such directional signal transmission, the set of directional resources associated with the signal transmission (e.g., angle of arrival, horizontal direction, and / or vertical direction), and / or a set of parameters indicating one or more aspects of the directional signal, the direction associated with the signal, and / or the set of directional resources associated with the signal. In some implementations, antenna elements can be individually selected or deselected for the directional transmission of a signal (or multiple signals) by controlling the amplitude of one or more corresponding amplifiers and / or the phase of the signal to form one or more beams. The shape of the beam (such as amplitude, width, and / or the presence of sidelobes) and / or the direction of the beam (such as the angle of the beam relative to the surface of the antenna array) can be dynamically controlled by modifying the phase shifts, phase offsets, and / or amplitudes of multiple signals relative to each other.

[0081] Different UEs 120 or network nodes 110 may include different numbers of antenna elements. For example, UE 120 may include a single antenna element, two antenna elements, four antenna elements, eight antenna elements, or different numbers of antenna elements. As another example, network node 110 may include eight antenna elements, 24 antenna elements, 64 antenna elements, 128 antenna elements, or different numbers of antenna elements. Generally speaking, a larger number of antenna elements provides increased control over the parameters used for beamforming compared to a smaller number of antenna elements, while a smaller number of antenna elements may be less complex to implement and can use less power. Multiple antenna elements can support multi-layer transmission, in which the same time and frequency resources are used to utilize spatial multiplexing to transmit a first layer of communication (which may include a first data stream) and a second layer of communication (which may include a second data stream).

[0082] Although Figure 2 The boxes in the diagram are illustrated as different components, but the functions described above with respect to these boxes may be implemented in a single hardware, software, or combined component, or in various combinations of components. For example, the functions described with respect to transmit processor 264, receive processor 258, and / or TX MIMO processor 266 may be performed by or under the control of controller / processor 280.

[0083] Figure 3 This is an illustration of an example disaggregated base station architecture 300 according to the present disclosure. One or more components of the example disaggregated base station architecture 300 may be one or more network nodes (such as one or more network nodes 110), may include, or may be included in one or more network nodes. The disaggregated base station architecture 300 may include a CU 310, which may communicate directly with the core network 320 via a backhaul link, or may communicate indirectly with the core network 320 via one or more disaggregated control units (such as non-RT RIC 350 and / or near-RT RIC 370 associated with a Service Management and Orchestration (SMO) framework 360 (e.g., via an E2 link)). The CU 310 may communicate with one or more DU 330 via a corresponding midhaul link (such as via an F1 interface). Each DU 330 may communicate with one or more RU 340 via a corresponding fronthaul link. Each RU 340 may communicate with one or more UE 120 via a corresponding RF access link. In some deployments, UE 120 can be served by multiple RU 340s simultaneously.

[0084] Each component of the disassembled base station architecture 300 (including CU 310, DU 330, RU 340, near-RT RIC 370, non-RT RIC 350, and SMO frame 360) may include one or more interfaces or may be coupled to one or more interfaces for receiving or transmitting signals, such as data or information, via wired or wireless transmission media.

[0085] In some respects, the CU 310 can be logically divided into one or more CU-UP units and one or more CU-CP units. When implemented in an O-RAN configuration, the CU-UP units can communicate bidirectionally with the CU-CP units via an interface such as an E1 interface. The CU 310 can be deployed to communicate with one or more DU 330s for network control and signaling, as needed. Each DU 330 may correspond to a logical unit that includes one or more base station functions for controlling the operation of one or more RU 340s. For example, the DU 330 may host various layers, such as the RLC layer, MAC layer, or one or more PHY layers (such as one or more high PHY layers or one or more low PHY layers). Each layer (which may also be referred to as a module) can be implemented using an interface for signaling to other layers (and modules) hosted by the DU 330, or for signaling to control functions hosted by the CU 310. Each RU 340 may implement lower-layer functionality. In some respects, the real-time and non-real-time aspects of communication with the control plane and user plane of the RU 340 can be controlled by the corresponding DU 330.

[0086] The SMO framework 360 supports RAN deployment and provisioning of both non-virtualized and virtualized network elements. For non-virtualized network elements, the SMO framework 360 supports the deployment of dedicated physical resources for RAN coverage requirements, which can be managed via operation and maintenance interfaces such as the O1 interface. For virtualized network elements, the SMO framework 360 can interact with cloud computing platforms such as the Open Cloud (O-Cloud) platform 390 to perform network element lifecycle management (such as instantiating virtualized network elements) via cloud computing platform interfaces such as the O2 interface. Virtualized network elements may include, but are not limited to, CU 310, DU 330, RU 340, non-RT RIC 350, and / or near-RT RIC 370. In some aspects, the SMO framework 360 can communicate with hardware aspects of 4G RAN, 5G NR RAN, and / or 6G RAN (such as the Open eNB (O-eNB) 380) via the O1 interface. Additionally or alternatively, the SMO framework 360 can communicate directly with each of one or more RUs 340 via the corresponding O1 interface. In some deployments, this configuration enables each DU 330 and CU 310 to be implemented in a cloud-based RAN architecture, such as a vRAN architecture.

[0087] The non-RT RIC 350 may include or implement logic functions that enable non-real-time control and optimization of RAN elements and resources, including AI / ML workflows for model training and updates, and / or policy-based guidance of applications and / or features in the near-RT RIC 370. The non-RT RIC 350 may be coupled to or communicate with the near-RT RIC 370, such as via an A1 interface. The near-RT RIC 370 may include or implement logic functions that enable near real-time control and optimization of RAN elements and resources via an interface, such as an E2 interface, through data collection and action, connecting one or more CU 310s, one or more DU 330s, and / or O-eNBs to the near-RT RIC 370.

[0088] In some aspects, to generate AI / ML models to be deployed in the near-RT RIC 370, the non-RT RIC 350 may receive parameters or external enrichment information from an external server. This information can be utilized by the near-RT RIC 370 and can be received from non-network data sources or network functions at the SMO framework 360 or the non-RT RIC 350. In some examples, the non-RT RIC 350 or near-RT RIC 370 may modulate RAN behavior or performance. For example, the non-RT RIC 350 may monitor long-term trends and patterns in performance and may perform corrective actions using AI / ML models via the SMO framework 360 (such as reconfiguration via the O1 interface) or via the creation of RAN management policies (such as A1 interface policies).

[0089] As indicated above, Figure 3 This is provided as an example. Other examples are available with reference to [the relevant information]. Figure 3 The examples described are different.

[0090] Network node 110, network node 110's controller / processor 240, UE 120, UE 120's controller / processor 280, CU 310, DU 330, RU 340 or Figure 1 , Figure 2 or Figure 3 Any other components may implement one or more technologies or perform one or more operations associated with cell selection based on the reliability level that the wireless communication link can support, as described in more detail elsewhere herein. For example, the controller / processor 240 of network node 110, the controller / processor 280 of UE 120, Figure 2 Any other component, CU 310, DU 330, or RU 340 may (alone or in combination with one or more other processors) perform or direct, for example... Figure 8 The process 800 Figure 9 The operation of process 900 or other processes as described herein.

[0091] Memory 242 may store data and program code for network node 110, CU 310, DU 330, or RU 340. Memory 282 may store data and program code for UE 120. In some examples, memory 242 or memory 282 may include a non-transitory computer-readable medium storing instruction sets (e.g., code or program code) for wireless communication. Memory 242 may include one or more memories, such as a single memory or multiple different memories (of the same or different types). Memory 282 may include one or more memories, such as a single memory or multiple different memories (of the same or different types). For example, the instruction set may be made executable by one or more processors of network node 110, UE 120, CU 310, DU 330, or RU 340 when executed (e.g., directly, or after compilation, transformation, or interpretation). Figure 8 The process 800 Figure 9 The process 900 or other processes as described herein. In some examples, the execution instructions may include run instructions, transform instructions, compile instructions, and / or interpret instructions, etc.

[0092] In some aspects, UE 120 includes: components for transmitting or receiving signaling indicating a supportable reliability level of a wireless communication link; and / or components for initiating a cell selection process in response to the supportable reliability level meeting a threshold. Components enabling UE 120 to perform the operations described herein may include, for example, one or more of the following: a communication manager 140, an antenna 252, a modem 254, a MIMO detector 256, a receive processor 258, a transmit processor 264, a TX MIMO processor 266, a controller / processor 280, or a memory 282.

[0093] In some aspects, network node 110 includes: components for transmitting or receiving signaling indicating a supportable reliability level for a wireless communication link; and / or components for initiating a cell selection process in response to the supportable reliability level meeting a threshold. Components for network node 110 to perform the operations described herein may include, for example, one or more of the following: communication manager 150, transmit processor 220, TX MIMO processor 230, modem 232, antenna 234, MIMO detector 236, receive processor 238, controller / processor 240, memory 242, or scheduler 246.

[0094] Figure 4 This is a diagram illustrating example 400 of a wireless communication network (such as wireless network 100) according to this disclosure. Figure 4As shown, network node 110 and UE 120 can communicate with each other. For example, network node 110 and UE 120 can communicate via wireless communication link 405. Wireless communication link 405 can correspond to an access link, a side link, or another type of wireless communication link within a wireless communication network. If wireless communication link 405 is a side link, then the wireless communication link can exist between the two UEs 120, and Figure 4 One or more actions described as being performed by network node 110 may be performed by UE 120 (e.g., roadside unit, main UE, etc.).

[0095] UE 120 may perform communications (such as high-priority communications) via wireless communication link 405. In some respects, these communications may benefit from maintaining a threshold reliability level of wireless communication link 405. For example, in order to perform certain forms of communication, UE 120 may need to maintain a connection with a specific reliability level. Conversely, UE 120 may not be permitted to perform certain forms of communication unless the connection has that specific reliability level.

[0096] In one example, UE 120 can perform vehicle safety-related communications. That is, wireless communication link 405 can be associated with vehicle communications such as Basic Safety Messages (BSM) or V2X communications. In the vehicle context, vehicle safety-related communications can carry information about the vehicle's operational status or hazards encountered or generated by the vehicle. Therefore, the safety of the vehicle and nearby vehicles and pedestrians can be related to the reliability of such communications.

[0097] To ensure connectivity supports a specified vehicle safety level, UE 120 may need (e.g., through regulatory agencies or standards) maintain a connection with reliability that meets a defined set of parameters, such as those associated with an ASIL system. An ASIL system can be a risk classification system that defines various vehicle hazard levels (each corresponding to an ASIL). When UE 120 is associated with an ASIL, components of UE 120 or wireless communication links 405 of UE 120 may be associated with a specific ASIL, meaning that these components or wireless communication links 405 are subject to reliability or safety requirements based on that ASIL. For example, components within UE 120 or wireless communication links 405 of UE 120 associated with a relatively high ASIL (e.g., corresponding to a relatively high level of vehicle hazard) may be subject to higher reliability or safety requirements. Additionally, components within UE 120 or wireless communication links 405 of UE 120 associated with a relatively low ASIL (e.g., corresponding to a relatively low level of vehicle hazard) may be subject to lower reliability or safety requirements.

[0098] Table 1 below illustrates an example ASIL risk classification system.

[0099] When one or more components of UE 120 or wireless communication link 405 of UE 120 are associated with an ASIL, a component of UE 120 or wireless communication link 405 of UE 120 associated with a higher ASIL may be associated with a higher reliability level compared to a component of UE 120 or wireless communication link 405 of UE 120 associated with a lower ASIL. In the example ASIL risk classification system illustrated in Table 1, there are four defined ASILs: A, B, C, and D. Here, A may correspond to a relatively low ASIL, while D may correspond to a relatively high ASIL.

[0100] Each ASIL in the different ASILs illustrated in Table 1 may be based on one or more parameters, such as severity category (e.g., from severity categories S1, S2, and S3), exposure category (e.g., from exposure categories E1, E2, E3, and E4), and / or controllability category (e.g., from controllability categories C1, C2, and C3). Table 1 illustrates example ASIL risk classification systems, some of which do not correspond to ASILs. For example, in cases where the risk associated with an event resulting from a failure of a component of UE 120 or its wireless communication link 405 is relatively low, the parameter combination associated with that component of UE 120 or its wireless communication link 405 may be a quality metric (QM) rather than an ASIL (A, B, C, or D). Table 1 reflects an example of an ASIL representation: ASIL = Severity × (Exposure × Controllability).

[0101] The severity category can correspond to the severity of an event caused by a failure of a component of UE 120 or the wireless communication link 405 of UE 120. For the ASIL risk classification system illustrated in Table 1, S1 corresponds to a less severe event (e.g., associated with a lower risk or harm), while S3 corresponds to a more severe event (e.g., associated with a higher risk or harm). The exposure category can correspond to the likelihood of an event occurring caused by a failure of a component of UE 120 or the wireless communication link 405 of UE 120. For the ASIL risk classification system illustrated in Table 1, E1 corresponds to an unlikely event, while E4 corresponds to a more likely event. The controllability category can correspond to the controllability of an event caused by a failure of a component of UE 120 or the wireless communication link 405 of UE 120 (e.g., by the driver of a vehicle associated with UE 120). For the ASIL risk classification system illustrated in Table 1, C1 corresponds to an event that is relatively easy to control, while C3 corresponds to an event that is relatively difficult to control.

[0102] The ASIL of components of UE 120 associated with a wired communication link (e.g., within a vehicle associated with UE 120) can be fixed. For example, the wired communication link within the vehicle associated with UE 120 can be designed to adapt to changes that may affect the wired communication link (e.g., temperature, weather). Additionally, the wired communication link may correspond to a closed system that can withstand external interference. Therefore, the wired communication link within the vehicle associated with the ASIL-equipped UE 120 can be designed to maintain a reliability level that meets the corresponding ASIL. For example, the wired communication link may be designed using specific cable quality or including shielding to ensure that the wired communication link maintains a reliability level that meets the corresponding ASIL.

[0103] However, the reliability level of wireless communication link 405 can be more variable (e.g., compared to wired communication links). That is, changes such as wireless communication network or channel conditions can affect the reliability of wireless communication link 405. For example, increased interference or increased traffic may lead to a decrease in the reliability of wireless communication link 405. When UE 120 needs to maintain a connection with a specific reliability level (e.g., because wireless communication link 405 is associated with ASIL, or because communication via wireless communication link 405 is high-priority communication), UE 120 can determine that network node 110 is capable of supporting wireless communication link 405 with a specific reliability level before selecting network node 110 for connection to the wireless communication network.

[0104] To determine whether a network node can support a wireless communication link 405 with a specific reliability level, UE 120 may receive or transmit signaling including a reliability level support indication 410. For example, network node 110 may send signaling to UE 120 indicating a supportable reliability level, wherein the signaling indicating a supportable reliability level indicates the reliability level of the wireless communication link 405 that can be supported by network node 405. UE 120 may compare the reliability level of the wireless communication link 405 that can be supported by network node 405 with a threshold (e.g., corresponding to a specific reliability level of the wireless communication link 405).

[0105] If the reliability level of the wireless communication link 405 supported by network node 405 meets a threshold (e.g., greater than or equal to the threshold), UE 120 may initiate a cell selection or reselection procedure and exchange cell selection or reselection procedure signaling 415 with network node 110. Additionally, if the reliability level of the wireless communication link 405 supported by network node 405 does not meet the threshold (e.g., less than the threshold), UE 120 may avoid initiating a cell selection or reselection procedure. Here, UE 120 and network node 110 may not exchange cell selection or reselection procedure signaling 415.

[0106] In some respects, UE 120 may send a target support reliability indication 410 to network node 110, wherein the support reliability level indication 410 indicates the target support reliability level of the wireless communication link 405 requested by UE 120.

[0107] If network node 110 is unable to support the target supportable reliability level of wireless communication link 405 requested by UE 120, network node 110 may send a signaling message to UE 120 rejecting UE 120's request for network node 110 to support wireless communication link 405 with the target supportable reliability level. Here, UE 120 can avoid initiating a cell selection or reselection procedure, and UE 120 and network node 110 may not exchange cell selection or reselection procedure signaling 415.

[0108] If network node 110 is capable of supporting the target supportable reliability level of the wireless communication link 405 requested by UE 120, network node 110 may instruct (e.g., implicitly by not rejecting the request, or explicitly by sending signaling to UE 120) that network node 110 will support the target supportable reliability level of the wireless communication link 405 requested by UE 120. Here, UE 120 may determine that the reliability level of the wireless communication link 405 that can be supported by network node 110 meets a threshold. Therefore, UE 120 may initiate a cell selection or reselection procedure and exchange cell selection or reselection procedure signaling 415 with network node 110.

[0109] As indicated above, Figure 4 This is provided as an example. Other examples are available with reference to [the relevant information]. Figure 4 The examples described are different.

[0110] Figure 5 This is a diagram illustrating an example 500 where the cell selection process is based, at least in part, on the reliability of the wireless communication link 405, which can be supported by network node 110. (See diagram 500 for example 500.) Figure 5 As shown, network node 110 and UE 120 can communicate with each other to determine whether to perform a cell selection process.

[0111] As indicated by reference numeral 505, network node 110 may send and UE 120 may receive one or more synchronization signals and system information. For example, network node 110 may send one or more synchronization signal blocks (SSBs). Additionally, network node 110 may send system information in one or more system information blocks (SIBs) or in RRC messages.

[0112] As indicated by reference numeral 510, UE 120 can measure synchronization signals. For example, UE 120 can measure synchronization signals to detect one or more parameters associated with those synchronization signals, such as the Received Signal Strength Indicator (RSSI), RSRP, RSRQ, or other parameters of the synchronization signals. In some cases, UE 120 can determine whether the measurement of one or more synchronization signals meets a threshold (e.g., threshold RSRP, threshold RSSI, threshold RSRQ). This threshold may correspond to a predefined minimum signal quality threshold considered for cell selection by network node 110. For example, the minimum signal quality threshold considered for cell selection by network node 110 may be defined by a standard specification.

[0113] As indicated by reference numeral 515, network node 110 may transmit, and UE 120 may receive, signaling indicating a supportable reliability level for wireless communication link 405, wherein the supportable reliability level corresponds to the reliability level of wireless communication link 405 that can be supported by network node 110. Network node 110 may transmit the signaling via SIB (e.g., as part of system information transmitted by network node 110 as indicated by reference numeral 505) or via broadcast channel (BCH). The reliability level of wireless communication link 405 that can be supported by network node 110 may correspond to the reliability level (e.g., time-to-arrival duration) of wireless communication link 405 that network node 110 is capable of providing at, for example, a threshold determinism level. For example, network node 110 may indicate that network node 110 can support wireless communication link 405 with UE 120 having at least the indicated reliability level (e.g., time-to-arrival duration).

[0114] The indicated reliability level may correspond to a maximum block error rate, a minimum RSRP, a minimum RSSI, a minimum RSRQ, or some other signal quality threshold. For example, if the indicated reliability level corresponds to the maximum block error rate, communication transmitted or received using the wireless communication link 405 may be associated with a block error rate less than the maximum block error rate. Additionally, if the indicated reliability level corresponds to the minimum RSRP, minimum RSRQ, or minimum RSSI, communication transmitted or received using the wireless communication link 405 may be associated with an RSRP, RSRQ, or RSSI that is greater than or equal to the minimum RSRP, RSRQ, or RSSI, respectively.

[0115] In some cases, the indicated reliability level may correspond to ASIL. For example, if wireless communication link 405 is associated with an ASIL as outlined in Table 1 above, network node 110 may indicate whether network node 110 is capable of supporting wireless links with ASILs A, B, C, or D.

[0116] In some cases, network node 110 may indicate that it is capable of supporting the wireless communication link 405 for a specified time duration (e.g., maximum time duration) at the indicated reliability level. Additionally, network node 110 may indicate the number of carriers or cells (or identifiers of specific carriers or cells) associated with it that can support the indicated reliability level. Additionally, network node 110 may indicate whether it is currently accepting connections at the indicated reliability level. For example, network node 110 may indicate whether it is accepting connections at the indicated reliability level when it sends signaling including this indication. A network node 110 that is not currently accepting connections at the indicated reliability level may reject all connection requests associated with the indicated reliability level.

[0117] In some examples, network node 110 may indicate information associated with more than one reliability level. That is, network node 110 may indicate one or more of the following: time duration, the number of carriers or cells associated with network node 110 that support a specific reliability level, or whether network node 110 is currently accepting connections of more than one indicated reliability level. For example, for each reliability level in a set of reliability levels, network node 110 may indicate the time duration during which network node 110 can support wireless communication link 405 with the corresponding reliability level. In another example, for each reliability level in a set of reliability levels, network node 110 may indicate one or more carriers or cells associated with network node 110 that support wireless communication link 405 with the corresponding reliability level (or may indicate the number of one or more carriers or cells).

[0118] Additionally or alternatively, network node 110 may indicate information associated with more than one parameter related to a reliability level (e.g., associated with more than one severity category, more than one exposure category, and / or more than one controllability category). That is, network node 110 may indicate one or more of the following: (1) time duration, (2) the number of carriers or cells associated with network node 110 that can support a particular reliability level, or (3) whether network node 110 is currently accepting a connection at the indicated reliability level on a per-parameter basis (e.g., for a particular severity category, for a particular exposure category, and / or for a particular controllability category). For example, network node 110 may indicate that network node 110 is capable of supporting wireless communication links with either an exposure category or a controllability category, and that network node 110 cannot support wireless communication links with the highest (e.g., most severe) severity category.

[0119] Upon receiving an indication of the reliability level of the wireless communication link 405 that can be supported by network node 110, UE 120 may determine whether the indicated reliability level meets a threshold (e.g., a first threshold) and / or whether the measurement of the synchronization signal meets another threshold (e.g., a second threshold). That is, UE 120 may compare the indicated reliability level with a first threshold corresponding to the minimum reliability of the wireless communication link 405 used to connect UE 120 to the wireless network. In some cases, the first threshold may be associated with ASIL. Additionally or alternatively, the first threshold may be associated with some other metric. For example, the first threshold may correspond to a threshold signal quality metric (e.g., maximum block error rate, minimum RSRP, minimum RSRQ, minimum RSSI) for communication transmitted or received via the wireless communication link. If the indicated reliability level meets the first threshold, UE 110 may determine that network node 110 is capable of supporting the wireless communication link 405 between UE 120 and network node 110 with a reliability level greater than or equal to the first threshold.

[0120] As shown by reference numeral 520, the UE may determine whether to select network node 110 for connection to the wireless network based on whether the indicated reliability level meets a first threshold associated with the reliability level and / or whether the measurement of the synchronization signal meets a second threshold. In one example, if the indicated reliability level meets the first threshold (e.g., regardless of whether the measurement of the synchronization signal meets the second threshold), the UE 120 may select network node 110 for connection to the wireless network. Here, if the indicated reliability level does not meet the first threshold (and regardless of whether the measurement of the synchronization signal meets the second threshold), the UE 120 may not select network node 110 for connection to the wireless network.

[0121] In another example, if the indicated reliability level meets a first threshold and the measurement of the synchronization signal meets a second threshold, then UE 120 may select network node 110 for connection to the wireless network. Conversely, if the indicated reliability level does not meet the first threshold or if the measurement of the synchronization signal does not meet the second threshold, then UE 120 may not select network node 110 for connection to the wireless network.

[0122] If UE 120 determines to select network node 110 for connecting to the wireless network, UE 120 may initiate a cell selection procedure as shown by reference numeral 525 (described below). Alternatively, if UE 120 determines not to select network node 110 for connecting to the wireless network, UE 120 may not initiate the cell selection procedure shown by reference numeral 525.

[0123] As indicated by reference numeral 525, UE 120 may initiate or perform a cell selection procedure with network node 110. For example, UE 120 may initiate the establishment of a wireless communication link 405 with network node 110 (e.g., establish the wireless communication link) to connect to the wireless network. In some cases, in order to perform the cell selection procedure, UE 120 may camp on network node 110 (i.e., UE 120 may select a cell provided by network node 110 for ultimately establishing a connection with network node 110). Additionally or alternatively, UE 120 may perform a RACH procedure with network node 110. As used herein, selecting or camping on network node 110 may include selecting or camping on a cell, carrier, or beam provided by network node 110.

[0124] As indicated above, Figure 5 This is provided as an example. Other examples are available with reference to [the relevant information]. Figure 5 The examples described are different.

[0125] Figure 6 This is a diagram illustrating an example 600 where the cell selection process is based, at least in part, on the reliability of the wireless communication link 405, which can be supported by network node 110. (See diagram 600 for example 600.) Figure 6 As shown, network node 110 and UE 120 can communicate with each other to determine whether to perform a cell selection process. In example 600, UE 120 may request that the target of wireless communication link 405 can support a reliability level, while in example 500, network node 110 may provide an indication of the reliability of wireless communication link 405.

[0126] As indicated by reference numeral 605, network node 110 may transmit and UE 120 may receive one or more synchronization signals and system information. For example, network node 110 may transmit one or more SSBs. Additionally, network node 110 may transmit system information in one or more SIBs or in RRC messages. As used herein, "system information" may include information transmitted via SIBs or signaling other than master information blocks, such as RRC signaling.

[0127] As indicated by reference numeral 610, UE 120 can measure synchronization signals. For example, UE 120 can measure synchronization signals to detect one or more parameters associated with those synchronization signals, such as the RSSI, RSRP, RSRQ, or other parameters of the synchronization signals. In some cases, UE 120 can determine whether the measurement of one or more synchronization signals meets a threshold (e.g., threshold RSRP, threshold RSSI, threshold RSRQ). This threshold may correspond to a pre-configured or predefined minimum required signal quality threshold considering the network node 110's use for cell selection.

[0128] As shown by reference numeral 615, UE 120 may transmit, and network node 110 may receive, signaling indicating a target reliability level that the wireless communication link 405 can support, wherein the target reliability level corresponds to the reliability level of the wireless communication link 405 requested by UE 120. In some cases, the signaling requested by UE 120 indicating the target reliability level that the wireless communication link 405 can support may be referred to as second signaling. In some cases, UE 120 may transmit the signaling as part of a RACH procedure (e.g., in message 3 or message A of the RACH procedure) or within UE auxiliary information. In some other cases, UE 120 may transmit the signaling to network node 110 via other types of signaling (such as via a scheduling request (SR)). The target reliability level that the wireless communication link 405 can support requested by UE 120 may correspond to the reliability level of the wireless communication link 405 that UE 120 requests network node 110 to support (e.g., arrival time duration). For example, UE 120 may request network node 110 to support wireless communication link 405 with at least the requested reliability level (e.g., time to arrival duration).

[0129] The requested reliability level may correspond to a maximum block error rate, a minimum RSRP, a minimum RSSI, a minimum RSRQ, or some other signal quality threshold. For example, if the requested reliability level corresponds to the maximum block error rate, communication transmitted or received using the wireless communication link 405 may be associated with a block error rate less than the maximum block error rate. Additionally, if the requested reliability level corresponds to the minimum RSRP, minimum RSRQ, or minimum RSSI, communication transmitted or received using the wireless communication link 405 may be associated with an RSRP, RSRQ, or RSSI greater than or equal to the minimum RSRP, RSRQ, or RSSI, respectively.

[0130] In some cases, the requested reliability level may correspond to an ASIL. For example, if wireless communication link 405 is associated with an ASIL as outlined in Table 1 above, UE 120 may request network node 110 to support a wireless link with an ASIL of A, B, C, or D. Additionally or alternatively, UE 120 may include indications of one or more parameters associated with the requested reliability level in its request for a specific reliability level. For example, UE 120 may send signaling indicating the severity category, exposure category, and / or controllability category associated with the requested reliability level. In some cases, UE 120 may additionally send signaling to network node 110 indicating other information about UE 120. For example, UE 120 may send signaling indicating the speed of UE 120, the direction of movement of UE 120, and / or the location of UE 120.

[0131] Network node 110 may accept or reject the request. For example, if network node 110 cannot support the target supported reliability level, then network node 110 may reject the request. In this example, network node 110 may send signaling to UE 120 indicating that network node 110 does not support the reliability level requested by UE 120 (e.g., at 615). In some cases, the signaling indicating that network node 110 does not support the reliability level may be referred to as third signaling. In some cases, network node 110 may send signaling indicating that network node 110 does not support the reliability level requested by UE 120 via a RACH message (e.g., in message 4 or message B of the RACH procedure).

[0132] The signaling instructing network node 110 not to support the target supportable reliability level requested by UE 120 may additionally indicate one or more reasons why network node 110 does not support the target supportable reliability level requested by UE 120. Additionally, this signaling may indicate one or more reliability levels of the wireless communication link 405 that can be supported by network node 110. For example, network node 110 may indicate that it cannot support the requested reliability level, and may provide reasons indicating that network node 110 cannot support (e.g., as indicated by the UE at 615) the target supportable reliability level, while UE 120 maintains its current speed. Here, UE 120 may reduce its speed (or may provide a signal indicating a reduction in speed) to a speed that allows network node 110 to support the target supportable reliability level.

[0133] Additionally, network node 110 may indicate that it cannot support a reliability level associated with a specific parameter (e.g., associated with a specific severity category, exposure category, or controllability category), but it can support reliability levels associated with different parameters. Here, UE 120 may adjust one or more parameters (e.g., the speed of UE 120, the exposure category, severity category, or controllability category associated with wireless communication link 405) to values ​​that enable network node 110 to support the requested reliability level.

[0134] In another example where network node 110 can support the target supportable reliability level, network node 110 may accept the request. In this example, network node 110 may optionally send signaling instructing network node 110 to accept the target supportable reliability level. In some cases, the signaling instructing network node 110 to accept the target supportable reliability level may be referred to as second signaling. In some other examples, network node 110 may implicitly accept the target supportable reliability level. For example, by avoiding sending signaling to reject the target supportable reliability level, network node 110 may implicitly indicate that it can support the target supportable reliability level.

[0135] Based on whether network node 110 accepts or rejects the target supportable reliability level indicated by UE 120, UE 120 can determine whether the reliability level of the wireless communication link 405 supported by network node 110 meets a threshold (e.g., a first threshold) and / or whether the measurement of the synchronization signal meets another threshold (e.g., a second threshold). That is, UE 120 can compare the indicated reliability level of the wireless communication link 405 supported by network node 110 with a first threshold corresponding to the minimum reliability of the wireless communication link 405 used to connect UE 120 to the wireless network. In some cases, the first threshold may be associated with ASIL. Additionally or alternatively, the first threshold may be associated with some other metric. For example, the first threshold may correspond to a threshold signal quality metric (e.g., maximum block error rate, minimum RSRP, minimum RSRQ, minimum RSSI) of communication transmitted or received via the wireless communication link. If the reliability level of the wireless communication link 405 supported by network node 110 meets the first threshold, then UE 110 can determine that network node 110 is able to support and maintain the wireless communication link 405 between UE 120 and network node 110 with a reliability level greater than or equal to the first threshold.

[0136] As shown by reference numeral 625, the UE may determine whether to select network node 110 for connection to the wireless network based on whether the reliability level of the wireless communication link 405 supported by network node 110 meets a first threshold and / or whether the measurement of the synchronization signal meets a second threshold. In one example, if the reliability level of the wireless communication link 405 supported by network node 110 meets the first threshold (e.g., regardless of whether the measurement of the synchronization signal meets the second threshold), then the UE 120 may select network node 110 for connection to the wireless network. Here, if the reliability level of the wireless communication link 405 supported by network node 110 does not meet the first threshold (and regardless of whether the measurement of the synchronization signal meets the second threshold), then the UE 120 may not select network node 110 for connection to the wireless network.

[0137] In another example, if the reliability level of the wireless communication link 405 supported by network node 110 meets a first threshold and the measurement of the synchronization signal meets a second threshold, then UE 120 may select network node 110 for connection to the wireless network. Conversely, if the reliability level of the wireless communication link 405 supported by network node 110 does not meet the first threshold or if the measurement of the synchronization signal does not meet the second threshold, then UE 120 may not select network node 110 for connection to the wireless network.

[0138] If UE 120 determines to select network node 110 for connecting to the wireless network, UE 120 may initiate the cell selection procedure illustrated at 630 (described below). Alternatively, if UE 120 determines not to select network node 110 for connecting to the wireless network, UE 120 may not initiate the cell selection procedure.

[0139] As indicated by reference numeral 630, UE 120 may initiate or perform a cell selection procedure with network node 110. For example, UE 120 may initiate the establishment of a wireless communication link 405 with network node 110 (e.g., establish the wireless communication link) to connect to the wireless network. In some cases, in order to perform the cell selection procedure, UE 120 may camp on network node 110 (i.e., UE 120 may select a cell provided by network node 110 for ultimately establishing a connection with network node 110). Additionally or alternatively, UE 120 may perform a RACH procedure with network node 110. As used herein, selecting or camping on network node 110 may include selecting or camping on a cell, carrier, or beam provided by network node 110.

[0140] As indicated above, Figure 6 This is provided as an example. Other examples are available with reference to [the relevant information]. Figure 6 The examples described are different.

[0141] Figure 7 This is a diagram illustrating an example 700 where the cell reselection process is at least partially based on the reliability of the wireless communication link 405, which can be supported by network node 110. (See diagram 700.) Figure 7 As shown, network node 110 and UE 120 can perform conditional handover at least in part based on the reliability of the wireless communication link 405 supported by network node 110. Figure 7 As shown, Example 700 includes communication between UE 120, source network node 110a, target network node 110b, and other potential target network nodes 110c. In some aspects, UE 120, source network node 110a, target network node 110b, and other potential target network nodes 110c may be included in a wireless network (such as wireless network 100 or 400).

[0142] In conditional handover, UE 120 can determine to perform handover when specific conditions are met. In other words, UE 120 can perform conditional handover when specific conditions are met. UE 120 can begin evaluating the execution conditions after receiving the conditional handover configuration from the source network node 110a. UE 120 can stop evaluating the execution conditions after performing the conditional handover. The difference between conditional handover and conventional handover is that conventional handover can be directly triggered by the network in response to a measurement report from UE 120, while conditional handover can be triggered by the satisfaction of specific conditions, which reduces the overhead and latency associated with handover.

[0143] As indicated by reference numeral 702 in the accompanying drawings, UE 120 may send a measurement report to source network node 110a. This measurement report may be based at least in part on a measurement configuration that can be provided by source network node 110a.

[0144] As indicated by reference numeral 704, the source network node may determine conditional handover of UE 120 (or configure conditional handover for UE 120) based at least in part on measurement reports. As indicated by reference numeral 706, the source network node 110a may send conditional handover requests to one or more candidate cells, which may be associated with one or more candidate target network nodes. The one or more candidate target network nodes may include target network node 110b and other potential target network nodes 110c. The source network node 110a may send conditional handover requests for each candidate target network node.

[0145] As indicated by reference numeral 708, target network node 110b and other potential network nodes 110c can perform admission control. As indicated by reference numeral 70, target network node 110b and other potential target network nodes 110c can send a handover request confirmation message to source network node 110a. This handover request confirmation message can indicate a conditional handover configuration. This conditional handover configuration can indicate the configuration of one or more candidate target network nodes (e.g., conditional handover candidate cells).

[0146] As shown by reference numeral 712 in the attached figure, source network node 110a may send an RRC reconfiguration message to UE 120. This RRC reconfiguration message may indicate the configuration of one or more candidate target network nodes. The RRC reconfiguration message may indicate conditional handover execution conditions. For example, the RRC reconfiguration message may instruct UE 120 to perform handover if a reliability level supported by one of the candidate network nodes meets a threshold. In some cases, the threshold corresponds to the minimum reliability of the wireless communication link 405 used to connect UE 120 to the wireless network. In some cases, the threshold may be associated with ASIL.

[0147] As shown by reference numeral 714 in the attached figure, UE 120 can send an RRC reconfiguration complete message to the source network node 110a.

[0148] As indicated by reference numeral 716, candidate network nodes 110b and 110c can transmit, and UE 120 can receive, signaling indicating the reliability level of a wireless communication link 405 that can be supported by candidate network nodes 110b and 110c. The reliability level of the wireless communication link 405 that can be supported by each of candidate network nodes 110b and 110c can correspond to the reliability level (e.g., time-to-arrival duration) of the wireless communication link 405 that each of network nodes 110b and 110c is capable of providing, for example, at a threshold determinism level. For example, candidate network nodes 110b and 110c can indicate that candidate network nodes 110b and 110c can support a wireless communication link 405 with UE 120 having at least the indicated reliability level (e.g., time-to-arrival duration). In some cases, the indicated reliability level may include a reference... Figure 5 The description covers all aspects of the indicated reliability level.

[0149] At point 716, if candidate network nodes 110b and 110c do not send signaling, UE 120 may alternatively send signaling indicating that the target reliability level of the wireless communication link 405 requested by UE 120 is supportable. Here, if one of candidate network nodes 110b and 110c can support the target supportable reliability level, then candidate network node 110b or 110c may indicate to UE 120 that candidate network node 110b or 110c can support the target supportable reliability level. In some cases, the target supportable reliability level may include a reference... Figure 6 The described objectives can support all aspects of the reliability level.

[0150] As shown by reference numeral 720, UE 120 may maintain its connection with source network node 110a after receiving the conditional handover configuration, and UE 120 may begin evaluating the conditional handover execution conditions of one or more candidate target network nodes. When target network node 110b meets the corresponding conditional handover execution conditions, UE 120 may detach from source network node 110a and initiate or execute a cell selection procedure with target network node 110b. For example, UE 120 may apply the corresponding configuration stored for target network node 110b, synchronize it to target network node 110b, and complete the RRC handover procedure by sending an RRC reconfiguration complete message to target network node 110b. That is, the conditional handover procedure illustrated by example 700 may include a cell selection procedure, which may include one or more features illustrated by reference numeral 720. In Example 700, when the target network node 110b is able to support a wireless communication link 405 with a reliability level that meets the threshold, the target network node 110b can meet the corresponding handover execution conditions.

[0151] As shown by reference numeral 722 in the attached figure, UE 120, source network node 110a, and / or target network node 110b can perform conditional handover completion. For example, target network node 110b can send a handover success message to source network node 110a to indicate that UE 120 has successfully accessed target network node 110b. Source network node 110a can send a handover cancellation message to other potential target network nodes 110c to cancel the conditional handover of UE 120.

[0152] As indicated above, Figure 7 This is provided as an example. Other examples are available with reference to [the relevant information]. Figure 7 The examples described are different.

[0153] Figure 8 This is a diagram illustrating an example process 800 performed, for example, at a UE or a device of a UE, according to this disclosure. Example process 800 is an example of a device or UE (e.g., UE 120) performing operations associated with cell selection based on the supportable reliability level of a wireless communication link.

[0154] like Figure 8 As shown, in some aspects, process 800 may include sending or receiving signaling (block 810) indicating the supportable reliability level of the wireless communication link. For example, the UE (e.g., using...) Figure 10 The described transmitting component 1004 and / or communication manager 1006 can transmit or receive signaling indicating the supportable reliability level of the wireless communication link, as described above, for example, regarding... Figure 4 Reference numerals 410, Figure 5 Appendix numeral 515 Figure 6Appendix 615 Figure 7 Figure reference 716 and Figure 7 The figure is described by reference numeral 718.

[0155] like Figure 8 As further shown, in some aspects, process 800 may include initiating a cell selection process (block 820) in response to a supported reliability level meeting a threshold. For example, the UE (e.g., using...) Figure 10 The described communication manager 1006 can initiate a cell selection process in response to a supported reliability level meeting a threshold, as described above for example regarding... Figure 4 Appendix reference 415 Figure 5 Appendix numeral 525 Figure 6 The attached figures 630 and Figure 7 The figure is described by reference numeral 720.

[0156] Process 800 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in conjunction with one or more other processes described elsewhere in this document.

[0157] In a first aspect, sending or receiving the signaling includes receiving from a network node the signaling indicating the supportable reliability level of the wireless communication link, wherein the supportable reliability level of the wireless communication link corresponds to the reliability level of the wireless communication link that can be supported by the network node.

[0158] In the second aspect, receiving the signaling, either alone or in combination with the first aspect, also includes receiving the signaling via SIB, BCH, or a combination thereof.

[0159] In a third aspect, either alone or in combination with one or more of the first and second aspects, the signaling includes an indication of the duration of time during which the reliability level of the wireless communication link can be supported by the network node.

[0160] In the fourth aspect, either alone or in combination with one or more of the first to third aspects, the signaling includes an indication of one or more carriers associated with the supported reliability level, an indication of the number of the one or more carriers, an indication of one or more cells associated with the supported reliability level, an indication of the number of the one or more cells, or a combination thereof.

[0161] In the fifth aspect, either alone or in combination with one or more of the first to fourth aspects, the signaling indicates whether the network node is currently accepting a wireless communication link associated with the supported reliability level.

[0162] In the sixth aspect, either alone or in combination with one or more of the first to fifth aspects, the signaling also indicates one or more parameters associated with each of the multiple reliability levels that can be supported by the network node.

[0163] In the seventh aspect, alone or in combination with one or more of the first to sixth aspects, process 800 includes receiving a synchronization signal from the network node, wherein the cell selection process is initiated in further response to a measurement of the synchronization signal satisfying a second threshold.

[0164] In the eighth aspect, alone or in combination with one or more of the first to seventh aspects, process 800 includes receiving a synchronization signal from the network node, wherein initiating the cell selection process further includes initiating the cell selection process regardless of whether the measurement of the synchronization signal meets the second threshold.

[0165] In the ninth aspect, sending or receiving the signaling, either alone or in combination with one or more of the first to eighth aspects, includes sending the signaling to a network node indicating the target support reliability level of the wireless communication link, wherein the support reliability level of the wireless communication link corresponds to the target support reliability level of the wireless communication link requested by the UE.

[0166] In the tenth aspect, the transmission of the signaling may be carried out alone or in combination with one or more of the first to ninth aspects, and may also include transmitting the signaling via UE auxiliary information, RACH procedure messages, or a combination thereof.

[0167] In the eleventh aspect, individually or in combination with one or more of the first to tenth aspects, the signaling indicating that the target of the wireless communication link can support a reliability level includes an indication of the speed of the UE, an indication of the direction of movement of the UE, an indication of the location of the UE, or a combination thereof.

[0168] In the twelfth aspect, alone or in combination with one or more of the first to eleventh aspects, process 800 includes receiving from the network node a second signaling indicating that the network node supports the target support reliability level of the wireless communication link requested by the UE, wherein the cell selection process is initiated in response to receiving the second signaling.

[0169] In the thirteenth aspect, either alone or in combination with one or more of the first to twelfth aspects, sending or receiving the signaling further includes receiving the signaling indicating the supportable reliability level of the wireless communication link, wherein the supportable reliability level of the wireless communication link corresponds to the reliability level of the wireless communication link that can be supported by the first network node, and the process 800 further includes initiating a conditional handover process from the second network node to the first network node in response to the supportable reliability level meeting the threshold, wherein the conditional handover process includes the cell selection process.

[0170] In the fourteenth aspect, individually or in combination with one or more of the first to thirteenth aspects, the conditions of the condition handover process include the supportable reliability level meeting the threshold, the ASIL associated with the supportable reliability level of the first network node meeting the second threshold, the exposure category associated with the supportable reliability level of the first network node meeting the third threshold, the severity category associated with the supportable reliability level of the first network node meeting the fourth threshold, the controllability category associated with the supportable reliability level of the first network node meeting the fifth threshold, or a combination thereof.

[0171] In the fifteenth aspect, either alone or in combination with one or more of the first to fourteenth aspects, the supportable reliability level corresponds to an ASIL from multiple ASILs.

[0172] In the sixteenth aspect, alone or in combination with one or more of the first to fifteenth aspects, the ASIL is associated with one or more of the severity categories, one or more of the exposure categories, one or more of the controllability categories, or a combination thereof.

[0173] In the seventeenth aspect, either alone or in combination with one or more of the first to sixteenth aspects, sending or receiving the signaling includes receiving from a network node the signaling indicating the supportable reliability level of the wireless communication link, wherein the signaling indicating the supportable reliability level indicates the highest reliability level of the wireless communication link that can be supported by the network node for one of the multiple severity categories, one of the multiple exposure categories, one of the multiple controllability categories, or a combination thereof.

[0174] In the eighteenth aspect, either alone or in combination with one or more of the first to seventeenth aspects, sending or receiving the signaling includes sending the signaling to the network node indicating a target support reliability level of the wireless communication link, wherein the support reliability level of the wireless communication link corresponds to the target support reliability level of the wireless communication link requested by the UE, wherein the signaling includes an indication of a severity category among the plurality of severity categories requested by the UE, an exposure category among the plurality of exposure categories requested by the UE, a controllability category among the plurality of controllability categories requested by the UE, or a combination thereof.

[0175] In the nineteenth aspect, alone or in combination with one or more of the first to eighteenth aspects, process 800 includes sending or receiving second signaling indicating a second supportable reliability level of the second wireless communication link, and avoiding initiating a second cell selection process in response to the second supportable reliability level failing to meet the threshold.

[0176] In the twentieth aspect, either alone or in combination with one or more of the first to nineteenth aspects, sending or receiving the second signaling includes sending the second signaling to the network node indicating a target support reliability level for the second wireless communication link, wherein the second support reliability level for the second wireless communication link corresponds to the target support reliability level for the second wireless communication link requested by the UE, and the process 800 further includes receiving from the network node a third signaling indicating that the network node does not support the target support reliability level for the second wireless communication link requested by the UE, wherein avoiding initiating the second cell selection process is at least partially based on receiving the third signaling.

[0177] In the twenty-first aspect, either alone or in combination with one or more of the first to twentieth aspects, the third signaling also indicates a third supportable reliability level of the second wireless communication link, the third supportable reliability level of the second wireless communication link corresponding to a second reliability level of the second wireless communication link that can be supported by the network node, and the second reliability level being lower than the target supportable reliability level.

[0178] In the twenty-second aspect, receiving the third signaling, either alone or in combination with one or more of the first to twenty-first aspects, includes receiving the third signaling via a RACH process message.

[0179] In the twenty-third aspect, the wireless communication link is associated with vehicle communication, either alone or in combination with one or more of the first to twenty-second aspects.

[0180] In the twenty-fourth aspect, either alone or in combination with one or more of the first to twenty-third aspects, the supportable reliability level of the wireless communication link corresponds to the reliability level of the wireless communication link supported by the network node.

[0181] although Figure 8 An example box of process 800 is shown, but in some respects, process 800 may include... Figure 8 The boxes depicted may be fewer, different, or arranged differently compared to additional boxes. Alternatively, two or more boxes in the process 800 may be executed in parallel.

[0182] Figure 9 This is a diagram illustrating an example process 900 performed, for example, at a network node or a device of a network node, according to the present disclosure. Example process 900 is an example of a device or network node (e.g., network node 110) performing operations associated with cell selection based on the supportable reliability level of the wireless communication link.

[0183] like Figure 9 As shown, in some aspects, process 900 may include sending or receiving signaling (block 910) indicating the supportable reliability level of the wireless communication link. For example, a network node (e.g., using...) Figure 11 The described transmitting component 1104 and / or communication manager 1106 can transmit or receive signaling indicating the supportable reliability level of the wireless communication link, as described above, for example, regarding Figure 4 Reference numerals 410, Figure 5 Appendix numeral 515 Figure 6 Appendix 615 Figure 7 Figure reference 716 and Figure 7 The figure is described by reference numeral 718.

[0184] like Figure 9 As further shown, in some aspects, process 900 may include initiating a cell selection process (box 920) in response to a supported reliability level meeting a threshold. For example, a network node (e.g., using...) Figure 11 The described communication manager 1106 can initiate a cell selection process in response to a supported reliability level meeting a threshold, as described above for example regarding... Figure 4 Appendix reference 415 Figure 5 Appendix numeral 525 Figure 6 The attached figures 630 and Figure 7 The figure is described by reference numeral 720.

[0185] Process 900 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in conjunction with one or more other processes described elsewhere in this document.

[0186] In a first aspect, sending or receiving the signaling includes sending the signaling to the UE indicating the supportable reliability level of the wireless communication link, wherein the supportable reliability level of the wireless communication link corresponds to the reliability level of the wireless communication link that can be supported by the network node.

[0187] In the second aspect, either alone or in combination with the first aspect, sending the signaling also includes sending the signaling via SIB, BCH, or a combination thereof.

[0188] In a third aspect, either alone or in combination with one or more of the first and second aspects, the signaling includes an indication of the duration of time during which the reliability level of the wireless communication link can be supported by the network node.

[0189] In the fourth aspect, either alone or in combination with one or more of the first to third aspects, the signaling includes an indication of one or more carriers associated with the supported reliability level, an indication of the number of the one or more carriers, an indication of one or more cells associated with the supported reliability level, an indication of the number of the one or more cells, or a combination thereof.

[0190] In the fifth aspect, either alone or in combination with one or more of the first to fourth aspects, the signaling indicating the supportable reliability level of the wireless communication link indicates whether the network node is currently accepting a wireless communication link associated with the supportable reliability level.

[0191] In the sixth aspect, either alone or in combination with one or more of the first to fifth aspects, the signaling also indicates one or more parameters associated with each of the multiple reliability levels that can be supported by the network node.

[0192] In the seventh aspect, alone or in combination with one or more of the first to sixth aspects, process 900 includes sending a synchronization signal to the UE, wherein the cell selection process is further initiated in response to a measurement of the synchronization signal satisfying a second threshold.

[0193] In the eighth aspect, alone or in combination with one or more of the first to seventh aspects, process 900 includes sending a synchronization signal to the UE, wherein initiating the cell selection process further includes initiating the cell selection process regardless of whether the measurement of the synchronization signal meets the second threshold.

[0194] In the ninth aspect, either alone or in combination with one or more of the first to eighth aspects, sending or receiving the signaling includes receiving from the UE the signaling indicating a target support reliability level of the wireless communication link, wherein the support reliability level of the wireless communication link corresponds to the target support reliability level of the wireless communication link requested by the UE.

[0195] In the tenth aspect, receiving the signaling, either alone or in combination with one or more of the first to ninth aspects, also includes receiving the signaling via UE auxiliary information, RACH procedure messages, or a combination thereof.

[0196] In the eleventh aspect, alone or in combination with one or more of the first to tenth aspects, the signaling includes an indication of the speed of the UE, an indication of the direction of movement of the UE, an indication of the location of the UE, or a combination thereof.

[0197] In the twelfth aspect, alone or in combination with one or more of the first to eleventh aspects, process 900 includes sending a second signaling to the UE indicating that the network node supports the target reliability level of the wireless communication link requested by the UE, wherein the cell selection process is initiated in response to sending the second signaling.

[0198] In the thirteenth aspect, alone or in combination with one or more of the first to twelfth aspects, the supportable reliability level corresponds to an ASIL from multiple ASILs.

[0199] In the fourteenth aspect, alone or in combination with one or more of the first to thirteenth aspects, the ASIL is associated with one or more severity categories, one or more exposure categories, one or more controllability categories, or a combination thereof.

[0200] In the fifteenth aspect, either alone or in combination with one or more of the first to fourteenth aspects, sending or receiving the signaling includes sending to the UE the signaling indicating the supportable reliability level of the wireless communication link, wherein the signaling indicating the supportable reliability level indicates the highest reliability level of the wireless communication link that can be supported by the network node for one of the multiple severity categories, one of the multiple exposure categories, one of the multiple controllability categories, or a combination thereof.

[0201] In the sixteenth aspect, either alone or in combination with one or more of the first to fifteenth aspects, sending or receiving the signaling includes receiving from the UE the signaling indicating a target support reliability level of the wireless communication link, wherein the support reliability level of the wireless communication link corresponds to the target support reliability level of the wireless communication link requested by the UE, wherein the signaling includes an indication of a severity category among the plurality of severity categories requested by the UE, an exposure category among the plurality of exposure categories requested by the UE, a controllability category among the plurality of controllability categories requested by the UE, or a combination thereof.

[0202] In the seventeenth aspect, alone or in combination with one or more of the first to sixteenth aspects, process 900 includes sending or receiving second signaling indicating a second supportable reliability level of the second wireless communication link, and avoiding initiating a second cell selection process in response to the second supportable reliability level failing to meet the threshold.

[0203] In the eighteenth aspect, either alone or in combination with one or more of the first to seventeenth aspects, sending or receiving the second signaling includes receiving from the UE the second signaling indicating a target support reliability level of the second wireless communication link, wherein the second support reliability level of the second wireless communication link corresponds to the target support reliability level of the second wireless communication link requested by the UE, and the process 900 further includes sending to the UE a third signaling indicating that the network node does not support the target support reliability level of the second wireless communication link requested by the UE, wherein avoiding initiating the second cell selection process is at least partially based on receiving the third signaling.

[0204] In the nineteenth aspect, either alone or in combination with one or more of the first to eighteenth aspects, the third signaling also indicates a third supportable reliability level of the second wireless communication link, the third supportable reliability level of the second wireless communication link corresponding to a second reliability level of the second wireless communication link that can be supported by the network node, and the second reliability level is lower than the target supportable reliability level.

[0205] In the twentieth aspect, receiving the third signaling, either alone or in combination with one or more of the first to nineteenth aspects, includes receiving the third signaling via a RACH process message.

[0206] In the twenty-first aspect, the wireless communication link is associated with vehicle communication, either alone or in combination with one or more of the first to twentieth aspects.

[0207] In the twenty-second aspect, either alone or in combination with one or more of the first to twenty-first aspects, the supportable reliability level of the wireless communication link corresponds to the reliability level of the wireless communication link supported by the network node.

[0208] although Figure 9 An example box of process 900 is shown, but in some respects, process 900 may include... Figure 9 The boxes depicted may be fewer, different, or arranged differently compared to additional boxes. Alternatively, two or more boxes in the process 900 may be executed in parallel.

[0209] Figure 10 This is a diagram of an example device 1000 for wireless communication according to the present disclosure. Device 1000 may be a UE, or a UE may include device 1000. In some aspects, device 1000 includes a receiving component 1002, a transmitting component 1004, and / or a communication manager 1006 that can communicate with each other (e.g., via one or more buses and / or one or more other components). In some aspects, communication manager 1006 is combined with... Figure 1 The described communication manager 140. As shown, device 1000 can communicate with another device 1008 (such as a UE or a network node (such as a CU, DU, RU or base station)) using receiving component 1002 and transmitting component 1004.

[0210] In some respects, device 1000 can be configured to perform the functions described herein. Figures 4 to 7 One or more operations described herein. Additionally or alternatively, the apparatus 1000 may be configured to perform one or more processes described herein, such as Figure 8 The process is 800. In some respects, Figure 10 The illustrated device 1000 and / or one or more components may include a combination Figure 2 One or more components of the described UE. Additionally or alternatively, Figure 10 One or more components shown can be combined Figure 2 Implementation within one or more of the described components. Additionally or alternatively, one or more components in the set of components may be implemented at least partially as software stored in one or more memories. For example, a component (or a portion thereof) may be implemented as instructions or code stored in a non-transitory computer-readable medium and executable by one or more controllers or one or more processors to perform the function or operation of the component.

[0211] Receiver 1002 may receive communications from device 1008, such as reference signals, control information, data communications, or combinations thereof. Receiver 1002 may provide the received communications to one or more other components of device 1000. In some aspects, receiver 1002 may perform signal processing (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, demapping, equalization, interference cancellation, or decoding, etc.) on the received communications, and may provide the processed signals to one or more other components of device 1000. In some aspects, receiver 1002 may include combinations of... Figure 2 The described UE includes one or more antennas, one or more modems, one or more demodulators, one or more MIMO detectors, one or more receiver processors, one or more controllers / processors, one or more memories, or combinations thereof.

[0212] Transmitting component 1004 may transmit communications, such as reference signals, control information, data communications, or combinations thereof, to device 1008. In some aspects, one or more other components of device 1000 may generate communications and provide the generated communications to transmitting component 1004 for transmission to device 1008. In some aspects, transmitting component 1004 may perform signal processing (such as filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, or encoding, etc.) on the generated communications and may transmit the processed signals to device 1008. In some aspects, transmitting component 1004 may include combinations of... Figure 2 The described UE may include one or more antennas, one or more modems, one or more modulators, one or more transmit MIMO processors, one or more transmit processors, one or more controllers / processors, one or more memories, or combinations thereof. In some aspects, the transmit component 1004 may co-located with the receive component 1002 in one or more transceivers.

[0213] The communication manager 1006 may support the operation of the receiving component 1002 and / or the transmitting component 1004. For example, the communication manager 1006 may receive information associated with configuring the reception of communications by the receiving component 1002 and / or the transmission of communications by the transmitting component 1004. Additionally or alternatively, the communication manager 1006 may generate control information and / or provide such control information to the receiving component 1002 and / or the transmitting component 1004 to control the reception and / or transmission of communications.

[0214] The transmitting component 1004 can transmit or receive signaling indicating the supportable reliability level of the wireless communication link. The communication manager 1006 can initiate a cell selection process in response to the supportable reliability level meeting a threshold.

[0215] The receiving component 1002 can receive a synchronization signal from the network node, wherein the cell selection process is initiated in response to a measurement of the synchronization signal satisfying a second threshold.

[0216] The receiving component 1002 can receive a synchronization signal from the network node, wherein initiating the cell selection process further includes initiating the cell selection process regardless of whether the measurement of the synchronization signal meets the second threshold.

[0217] The receiving component 1002 may receive from the network node a second signaling indicating that the network node supports the target reliability level of the wireless communication link requested by the UE, wherein the cell selection process is initiated in response to receiving the second signaling.

[0218] The transmitting component 1004 can transmit or receive a second signaling indicating a second supportable reliability level of the second wireless communication link.

[0219] The communication manager 1006 may avoid initiating a second cell selection process in response to the second supported reliability level failing to meet the threshold.

[0220] Figure 10 The number and arrangement of components shown are provided as an example. In practice, different arrangements may exist. Figure 10 The components shown are compared to additional components, fewer components, different components, or components arranged in a different manner. Furthermore, Figure 10 The two or more components shown can be implemented within a single component, or Figure 10 The single component shown can be implemented as multiple distributed components. Additionally or alternatively, Figure 10 The collection of (one or more) components shown is executable and described as being composed of Figure 10 Another set of components shown performs one or more functions.

[0221] Figure 11 This is a diagram of an example device 1100 for wireless communication according to the present disclosure. Device 1100 may be a network node, or a network node may include device 1100. In some aspects, device 1100 includes a receiving component 1102, a transmitting component 1104, and / or a communication manager 1106 that can communicate with each other (e.g., via one or more buses and / or one or more other components). In some aspects, the communication manager 1106 is combined with... Figure 1 The described communication manager 150. As shown, device 1100 can communicate with another device 1108 (such as a UE or a network node (such as a CU, DU, RU or base station)) using receiving component 1102 and transmitting component 1104.

[0222] In some respects, device 1100 can be configured to perform the functions described herein. Figures 4 to 7 The described one or more operations. Additionally or alternatively, the apparatus 1100 may be configured to perform one or more processes described herein, such as Figure 9 The process is 900. In some respects, Figure 11 The illustrated device 1100 and / or one or more components may include a combination Figure 2 One or more components of the described network node. Additionally or alternatively, Figure 11 One or more components shown can be combined Figure 2 Implementation within one or more of the described components. Additionally or alternatively, one or more components in the set of components may be implemented at least partially as software stored in one or more memories. For example, a component (or a portion thereof) may be implemented as instructions or code stored in a non-transitory computer-readable medium and executable by one or more controllers or one or more processors to perform the function or operation of the component.

[0223] Receiver 1102 may receive communications from device 1108, such as reference signals, control information, data communications, or combinations thereof. Receiver 1102 may provide the received communications to one or more other components of device 1100. In some aspects, receiver 1102 may perform signal processing (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, demapping, equalization, interference cancellation, or decoding, etc.) on the received communications, and may provide the processed signals to one or more other components of device 1100. In some aspects, receiver 1102 may include combinations of... Figure 2 The described network node may include one or more antennas, one or more modems, one or more demodulators, one or more MIMO detectors, one or more receiver processors, one or more controllers / processors, one or more memories, or combinations thereof. In some aspects, receiver component 1102 and / or transmitter component 1104 may include or be included in a network interface. The network interface may be configured to acquire and / or output signals for device 1100 via one or more communication links, such as backhaul links, midhaul links, and / or fronthaul links.

[0224] Transmitting component 1104 may transmit communications, such as reference signals, control information, data communications, or combinations thereof, to device 1108. In some aspects, one or more other components of device 1100 may generate communications and provide the generated communications to transmitting component 1104 for transmission to device 1108. In some aspects, transmitting component 1104 may perform signal processing (such as filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, or encoding, etc.) on the generated communications and may transmit the processed signals to device 1108. In some aspects, transmitting component 1104 may include combinations of... Figure 2 The described network node includes one or more antennas, one or more modems, one or more modulators, one or more transmit MIMO processors, one or more transmit processors, one or more controllers / processors, one or more memories, or combinations thereof. In some aspects, the transmit component 1104 may co-located with the receive component 1102 in one or more transceivers.

[0225] The communication manager 1106 may support the operation of the receiving component 1102 and / or the transmitting component 1104. For example, the communication manager 1106 may receive information associated with configuring the reception of communications by the receiving component 1102 and / or the transmission of communications by the transmitting component 1104. Additionally or alternatively, the communication manager 1106 may generate control information and / or provide such control information to the receiving component 1102 and / or the transmitting component 1104 to control the reception and / or transmission of communications.

[0226] Transmitting component 1104 can transmit or receive signaling indicating the supportable reliability level of the wireless communication link. Communication manager 1106 can initiate a cell selection process in response to the supportable reliability level meeting a threshold.

[0227] The transmitting component 1104 can transmit a synchronization signal to the UE, wherein the cell selection process is initiated in response to a measurement of the synchronization signal satisfying a second threshold.

[0228] The transmitting component 1104 can transmit a synchronization signal to the UE, wherein initiating the cell selection process further includes initiating the cell selection process regardless of whether the measurement of the synchronization signal meets the second threshold.

[0229] The transmitting component 1104 may transmit a second signaling to the UE indicating that the network node supports the target reliability level of the wireless communication link requested by the UE, wherein the cell selection process is initiated in response to transmitting the second signaling.

[0230] The transmitting component 1104 can transmit or receive a second signaling indicating a second supportable reliability level of the second wireless communication link.

[0231] The communication manager 1106 may avoid initiating a second cell selection process in response to the second supported reliability level failing to meet the threshold.

[0232] Figure 11 The number and arrangement of components shown are provided as an example. In practice, different arrangements may exist. Figure 11 The components shown are compared to additional components, fewer components, different components, or components arranged in a different manner. Furthermore, Figure 11The two or more components shown can be implemented within a single component, or Figure 11 The single component shown can be implemented as multiple distributed components. Additionally or alternatively, Figure 11 The collection of (one or more) components shown is executable and described as being composed of Figure 11 Another set of components shown performs one or more functions.

[0233] The following provides an overview of some aspects of this disclosure: Aspect 1: A method for wireless communication performed by a user equipment (UE), the method comprising: transmitting or receiving signaling indicating a supportable reliability level of a wireless communication link; and initiating a cell selection process in response to the supportable reliability level meeting a threshold.

[0234] Aspect 2: According to the method of aspect 1, sending or receiving the signaling includes receiving from a network node the signaling indicating the supportable reliability level of the wireless communication link, wherein the supportable reliability level of the wireless communication link corresponds to the reliability level of the wireless communication link that can be supported by the network node.

[0235] Aspect 3: According to the method of aspect 2, receiving the signaling further includes receiving the signaling via a System Information Block (SIB), a Broadcast Channel (BCH), or a combination thereof.

[0236] Aspect 4: According to the method of aspect 2, the signaling includes an indication of time duration during which the reliability level of the wireless communication link can be supported by the network node.

[0237] Aspect 5: The method according to aspect 2, wherein the signaling includes: an indication of one or more carriers associated with the supported reliability level, an indication of the number of the one or more carriers, an indication of one or more cells associated with the supported reliability level, an indication of the number of the one or more cells, or a combination thereof.

[0238] Aspect 6: According to the method of aspect 2, wherein the signaling indicates whether the network node is currently accepting a wireless communication link associated with the supported reliability level.

[0239] Aspect 7: According to the method of aspect 2, the signaling further indicates one or more parameters associated with each of a plurality of reliability levels that can be supported by the network node.

[0240] Aspect 8: According to the method of aspect 2, the method further includes receiving a synchronization signal from the network node, wherein initiating the cell selection process is further in response to a measurement of the synchronization signal satisfying a second threshold.

[0241] Aspect 9: According to the method of aspect 2, the method further includes receiving a synchronization signal from the network node, wherein initiating the cell selection process further includes initiating the cell selection process regardless of whether the measurement of the synchronization signal satisfies a second threshold.

[0242] Aspect 10: The method according to any one of Aspects 1 to 9, wherein sending or receiving the signaling includes sending the signaling to a network node indicating a target support reliability level of the wireless communication link, wherein the support reliability level of the wireless communication link corresponds to the target support reliability level of the wireless communication link requested by the UE.

[0243] Aspect 11: The method according to aspect 10, wherein sending the signaling further includes sending the signaling via UE assistance information, random access channel (RACH) procedure messages, or a combination thereof.

[0244] Aspect 12: According to the method of aspect 10, the signaling indicating that the target of the wireless communication link can support a reliability level includes an indication of the speed of the UE, an indication of the direction of movement of the UE, an indication of the location of the UE, or a combination thereof.

[0245] Aspect 13: According to the method of aspect 10, the method further includes receiving from the network node a second signaling indicating that the network node supports the target support reliability level of the wireless communication link requested by the UE, wherein initiating the cell selection procedure is in response to receiving the second signaling.

[0246] Aspect 14: The method according to any one of Aspects 1 to 13, wherein sending or receiving the signaling further includes receiving the signaling indicating the supportable reliability level of the wireless communication link, wherein the supportable reliability level of the wireless communication link corresponds to the reliability level of the wireless communication link that can be supported by the first network node, and wherein the method further includes initiating a conditional handover procedure from the second network node to the first network node in response to the supportable reliability level satisfying the threshold, wherein the conditional handover procedure includes the cell selection procedure.

[0247] Aspect 15: According to the method of aspect 14, the conditions of the condition handover process include: the supportable reliability level meets the threshold, the vehicle safety integrity level (ASIL) associated with the supportable reliability level of the first network node meets the second threshold, the exposure category associated with the supportable reliability level of the first network node meets the third threshold, the severity category associated with the supportable reliability level of the first network node meets the fourth threshold, the controllability category associated with the supportable reliability level of the first network node meets the fifth threshold, or a combination thereof.

[0248] Aspect 16: The method according to any one of Aspects 1 to 15, wherein the supportable reliability level corresponds to an ASIL from a plurality of vehicle safety integrity levels (ASILs).

[0249] Aspect 17: The method according to aspect 16, wherein the ASIL is associated with one or more severity categories, one or more exposure categories, one or more controllability categories, or a combination thereof.

[0250] Aspect 18: The method according to aspect 17, wherein sending or receiving the signaling includes receiving from a network node the signaling indicating the supportable reliability level of the wireless communication link, wherein the signaling indicating the supportable reliability level indicates the highest reliability level of the wireless communication link that can be supported by the network node for one of the plurality of severity categories, one of the plurality of exposure categories, one of the plurality of controllability categories, or a combination thereof.

[0251] Aspect 19: The method according to aspect 17, wherein sending or receiving the signaling includes: sending to a network node the signaling indicating a target reliability level that the wireless communication link can support, wherein the support reliability level of the wireless communication link corresponds to the target support reliability level of the wireless communication link requested by the UE, wherein the signaling includes an indication of a severity category among a plurality of severity categories requested by the UE, an exposure category among a plurality of exposure categories requested by the UE, a controllability category among a plurality of controllability categories requested by the UE, or a combination thereof.

[0252] Aspect 20: The method according to any one of aspects 1 to 19, the method further comprising: transmitting or receiving second signaling indicating a second supportable reliability level of a second wireless communication link; and avoiding initiating a second cell selection process in response to the second supportable reliability level failing to meet the threshold.

[0253] Aspect 21: The method according to aspect 20, wherein sending or receiving the second signaling includes sending to a network node the second signaling indicating a target support reliability level of the second wireless communication link, wherein the second support reliability level of the second wireless communication link corresponds to the target support reliability level of the second wireless communication link requested by the UE, and wherein the method further includes receiving from the network node the third signaling indicating that the network node does not support the target support reliability level of the second wireless communication link requested by the UE, wherein avoiding initiating the second cell selection procedure is at least partially based on receiving the third signaling.

[0254] Aspect 22: According to the method of aspect 21, wherein the third signaling further indicates a third supportable reliability level of the second wireless communication link, the third supportable reliability level of the second wireless communication link corresponding to a second reliability level of the second wireless communication link that can be supported by the network node, and the second reliability level is lower than the target supportable reliability level.

[0255] Aspect 23: According to the method of aspect 21, receiving the third signaling includes receiving the third signaling via a random access channel (RACH) procedure message.

[0256] Aspect 24: The method according to any one of aspects 1 to 23, wherein the wireless communication link is associated with vehicle communication.

[0257] Aspect 25: The method according to any one of aspects 1 to 24, wherein the supportable reliability level of the wireless communication link corresponds to the reliability level of the wireless communication link supported by the network node.

[0258] Aspect 26: A method for wireless communication performed by a network node, the method comprising: transmitting or receiving signaling indicating a supportable reliability level of a wireless communication link; and initiating a cell selection process in response to the supportable reliability level meeting a threshold.

[0259] Aspect 27: The method according to aspect 26, wherein sending or receiving the signaling includes sending the signaling to a user equipment (UE) indicating the supportable reliability level of the wireless communication link, wherein the supportable reliability level of the wireless communication link corresponds to the reliability level of the wireless communication link that can be supported by the network node.

[0260] Aspect 28: The method according to aspect 27, wherein sending the signaling further includes sending the signaling via a System Information Block (SIB), a Broadcast Channel (BCH), or a combination thereof.

[0261] Aspect 29: According to the method of aspect 27, wherein the signaling includes an indication of time duration during which the reliability level of the wireless communication link can be supported by the network node.

[0262] Aspect 30: The method according to aspect 27, wherein the signaling includes: an indication of one or more carriers associated with the supported reliability level, an indication of the number of the one or more carriers, an indication of one or more cells associated with the supported reliability level, an indication of the number of the one or more cells, or a combination thereof.

[0263] Aspect 31: The method according to aspect 27, wherein the signaling indicating the supportable reliability level of the wireless communication link indicates whether the network node is currently accepting a wireless communication link associated with the supportable reliability level.

[0264] Aspect 32: According to the method of aspect 27, wherein the signaling further indicates one or more parameters associated with each of a plurality of reliability levels that can be supported by the network node.

[0265] Aspect 33: According to the method of aspect 27, the method further includes sending a synchronization signal to the UE, wherein initiating the cell selection process further responds to a measurement of the synchronization signal satisfying a second threshold.

[0266] Aspect 34: According to the method of aspect 27, the method further includes: sending a synchronization signal to the UE, wherein initiating the cell selection process further includes initiating the cell selection process regardless of whether the measurement of the synchronization signal satisfies a second threshold.

[0267] Aspect 35: The method according to any one of Aspects 26 to 34, wherein sending or receiving the signaling includes receiving from a user equipment (UE) the signaling indicating a target support reliability level of the wireless communication link, wherein the support reliability level of the wireless communication link corresponds to the target support reliability level of the wireless communication link requested by the UE.

[0268] Aspect 36: The method according to aspect 35, wherein receiving the signaling further includes receiving the signaling via UE assistance information, random access channel (RACH) procedure messages, or a combination thereof.

[0269] Aspect 37: The method according to aspect 35, wherein the signaling includes an indication of the speed of the UE, an indication of the direction of movement of the UE, an indication of the position of the UE, or a combination thereof.

[0270] Aspect 38: According to the method of aspect 35, the method further includes sending a second signaling to the UE indicating that the network node supports the target support reliability level of the wireless communication link requested by the UE, wherein initiating the cell selection procedure is in response to sending the second signaling.

[0271] Aspect 39: The method according to any one of Aspects 26 to 38, wherein the supportable reliability level corresponds to an ASIL from a plurality of vehicle safety integrity levels (ASILs).

[0272] Aspect 40: The method according to aspect 39, wherein the ASIL is associated with one or more severity categories, one or more exposure categories, one or more controllability categories, or a combination thereof.

[0273] Aspect 41: The method according to aspect 40, wherein sending or receiving the signaling includes sending the signaling to the user equipment (UE) indicating the supportable reliability level of the wireless communication link, wherein the signaling indicating the supportable reliability level indicates the highest reliability level of the wireless communication link that can be supported by the network node for one of the plurality of severity categories, one of the plurality of exposure categories, one of the plurality of controllability categories, or a combination thereof.

[0274] Aspect 42: The method according to aspect 40, wherein sending or receiving the signaling includes receiving from the user equipment (UE) the signaling indicating the supportable reliability level of the wireless communication link, wherein the supportable reliability level of the wireless communication link corresponds to a target supportable reliability level of the wireless communication link requested by the UE, wherein the signaling includes an indication of a severity category among a plurality of severity categories requested by the UE, an exposure category among a plurality of exposure categories requested by the UE, a controllable category among a plurality of controllability categories requested by the UE, or a combination thereof.

[0275] Aspect 43: The method according to any one of Aspects 26 to 42, the method further comprising: transmitting or receiving second signaling indicating a second supportable reliability level of a second wireless communication link; and avoiding initiating a second cell selection process in response to the second supportable reliability level failing to meet the threshold.

[0276] Aspect 44: The method according to aspect 43, wherein sending or receiving the second signaling includes receiving from a user equipment (UE) the second signaling indicating a target support reliability level of the second wireless communication link, wherein the second support reliability level of the second wireless communication link corresponds to the target support reliability level of the second wireless communication link requested by the UE, and wherein the method further includes sending to the UE the third signaling indicating that the network node does not support the target support reliability level of the second wireless communication link requested by the UE, wherein avoiding initiating the second cell selection procedure is based at least in part on receiving the third signaling.

[0277] Aspect 45: According to the method of aspect 44, wherein the third signaling further indicates a third supportable reliability level of the second wireless communication link, the third supportable reliability level of the second wireless communication link corresponding to a second reliability level of the second wireless communication link that can be supported by the network node, and the second reliability level is lower than the target supportable reliability level.

[0278] Aspect 46: According to the method of aspect 44, receiving the third signaling includes receiving the third signaling via a random access channel (RACH) procedure message.

[0279] Aspect 47: The method according to any one of aspects 26 to 46, wherein the wireless communication link is associated with vehicle communication.

[0280] Aspect 48: The method according to any one of Aspects 26 to 47, wherein the supportable reliability level of the wireless communication link corresponds to the reliability level of the wireless communication link supported by the network node.

[0281] Aspect 49: An apparatus for wireless communication at a device, the apparatus comprising: one or more processors; one or more memories coupled to the one or more processors; and instructions stored in the one or more memories and executable by the one or more processors to cause the apparatus to perform the method according to one or more of aspects 1 to 48.

[0282] Aspect 50: An apparatus for wireless communication at a device, the apparatus comprising: one or more memories; and one or more processors coupled to the one or more memories, the one or more processors being configured to cause the device to perform the method according to one or more of aspects 1 to 48.

[0283] Aspect 51: An apparatus for wireless communication, the apparatus comprising at least one component for performing the method according to one or more of aspects 1 to 48.

[0284] Aspect 52: A non-transitory computer-readable medium storing code for wireless communication, the code including instructions executable by one or more processors to perform the method according to one or more of aspects 1 to 48.

[0285] Aspect 53: A non-transitory computer-readable medium storing a set of instructions for wireless communication, the set of instructions comprising one or more instructions that, when executed by one or more processors of a device, cause the device to perform the method according to one or more of aspects 1 to 48.

[0286] Aspect 54: A device for wireless communication, the device including a processing system comprising one or more processors and one or more memories coupled to the one or more processors, the processing system being configured to cause the device to perform the method according to one or more of aspects 1 to 48.

[0287] Aspect 55: An apparatus for wireless communication at a device, the apparatus comprising: one or more memories; and one or more processors coupled to the one or more memories, the one or more processors being individually or collectively configured to cause the device to perform the method according to one or more of aspects 1 to 48.

[0288] While the foregoing disclosure provides examples and descriptions, it is not intended to be exhaustive or to limit aspects to the precise forms disclosed. Modifications and variations can be made based on the foregoing disclosure, or from various aspects of practice.

[0289] As used herein, the term "component" is intended to be broadly interpreted as hardware or a combination of hardware and at least one of software or firmware. "Software" should be broadly interpreted as instructions, instruction sets, code, code segments, program code, programs, subroutines, software modules, applications, software applications, software packages, routines, subroutines, objects, executable programs, threads of execution, procedures, or functions, whether referred to as software, firmware, middleware, microcode, hardware description languages, or other terms. As used herein, a "processor" is implemented in hardware or a combination of hardware and software. It will be apparent that the systems or methods described herein may be implemented in various forms of hardware or combinations of hardware and software. The actual dedicated control hardware or software code used to implement these systems or methods is not limited in any way. Therefore, the operation and behavior of these systems or methods are described herein without reference to specific software code, as those skilled in the art will understand that the software and hardware can be designed to implement these systems or methods, at least in part, based on the description herein. Unless otherwise stated, a component configured to perform a function means that the component has the capability to perform that function, but it is not necessary for the component to actually perform that function.

[0290] As used in this article, depending on the context, "meeting the threshold" can mean a value greater than the threshold, greater than or equal to the threshold, less than the threshold, less than or equal to the threshold, equal to the threshold, not equal to the threshold, etc.

[0291] As used in this article, the phrase “at least one of” in a list of items refers to any combination of these items, including a single member. As an example, “at least one of a, b, or c” is intended to cover: a, b, c, a+b, a+c, b+c, and a+b+c, as well as any combination with multiple identical elements (e.g., a+a, a+a+a, a+a+b, a+a+c, a+b+b, a+c+c, b+b, b+b+b, b+b+c, c+c, and c+c+c, or any other ordering of a, b, and c).

[0292] No element, action, or instruction used herein should be construed as essential or necessary unless explicitly stated otherwise. Furthermore, as used herein, the articles “a” and “an” are intended to include one or more items and are interchangeable with “one or more.” Similarly, as used herein, the article “the” is intended to include one or more items mentioned in connection with the article “the” and is interchangeable with “one or more.” Furthermore, as used herein, the terms “group” and “cluster” are intended to include one or more entries and are interchangeable with “one or more.” If only one item is desired, the phrase “only one” or similar terminology will be used. Moreover, as used herein, the terms “having” and similar terms are intended as open-ended terms that do not limit the elements they modify (e.g., “having” A may also have B). Additionally, the phrase “based on” is intended to mean “based on or otherwise related to” unless otherwise explicitly stated. Furthermore, as used herein, the term “or” is intended to be inclusive when used consecutively and is interchangeable with “and / or” unless otherwise explicitly stated (e.g., if used in conjunction with “either of the two” or “only one of them”). It should be understood that “one or more” is equivalent to “at least one”.

[0293] Although specific combinations of features are set forth in the claims or disclosed in the description, these combinations are not intended to limit the disclosure of various aspects. Many of these features may be combined in ways not specifically stated in the claims or disclosed in the description. The disclosure of various aspects includes each dependent claim in combination with each other claim in the claim set.

Claims

1. An apparatus for wireless communication at a user equipment (UE), the apparatus comprising: One or more memory units; and One or more processors, said one or more processors being coupled to said one or more memories and configured to cause the UE to: Sending or receiving signaling indicating the supportable reliability level of a wireless communication link; as well as The cell selection process is initiated in response to the supported reliability level meeting the threshold.

2. The apparatus of claim 1, wherein, in order for the UE to send or receive the signaling, the one or more processors are configured to cause the UE to receive from a network node the signaling indicating the supportable reliability level of the wireless communication link, wherein the supportable reliability level of the wireless communication link corresponds to a reliability level of the wireless communication link that can be supported by the network node.

3. The apparatus of claim 2, wherein, in order for the UE to receive the signaling, the one or more processors are configured to cause the UE to receive the signaling via a System Information Block (SIB), a Broadcast Channel (BCH), or a combination thereof.

4. The apparatus of claim 2, wherein the signaling includes an indication of time duration during which the reliability level of the wireless communication link can be supported by the network node.

5. The apparatus of claim 2, wherein the signaling includes: Indication of one or more carriers associated with the supported reliability level. An indication of the number of the one or more carriers. Indications for one or more cells associated with the supported reliability level. Indication of the number of the one or more cells or Their combination.

6. The apparatus of claim 2, wherein the signaling indicates whether the network node is currently accepting a wireless communication link associated with the supported reliability level.

7. The apparatus of claim 2, wherein the signaling further indicates one or more parameters associated with each of a plurality of reliability levels that can be supported by the network node.

8. The apparatus of claim 2, wherein the one or more processors are further configured to cause the UE to receive a synchronization signal from the network node. The cell selection process is initiated in response to the measurement of the synchronization signal satisfying a second threshold.

9. The apparatus of claim 2, wherein the one or more processors are further configured to cause the UE to receive a synchronization signal from the network node. In order for the UE to initiate the cell selection process, the one or more processors are configured to enable the UE to initiate the cell selection process, regardless of whether the measurement of the synchronization signal meets the second threshold.

10. The apparatus of claim 1, wherein, in order for the UE to send or receive the signaling, the one or more processors are configured to cause the UE to send the signaling to a network node indicating a target support reliability level of the wireless communication link, wherein the support reliability level of the wireless communication link corresponds to the target support reliability level of the wireless communication link requested by the UE.

11. The apparatus of claim 10, wherein, in order for the UE to transmit the signaling, the one or more processors are configured to cause the UE to transmit the signaling via UE assistance information, random access channel (RACH) procedure messages, or a combination thereof.

12. The apparatus of claim 10, wherein the signaling indicating that the target of the wireless communication link can support a reliability level includes an indication of the speed of the UE, an indication of the direction of movement of the UE, an indication of the location of the UE, or a combination thereof.

13. The apparatus of claim 10, wherein the one or more processors are further configured to cause the UE to receive from the network node a second signaling indicating that the network node supports the target support reliability level of the wireless communication link requested by the UE, wherein initiating the cell selection procedure is in response to receiving the second signaling.

14. The apparatus of claim 1, wherein, in order for the UE to transmit or receive the signaling, the one or more processors are configured to cause the UE to receive the signaling indicating the supportable reliability level of the wireless communication link, wherein the supportable reliability level of the wireless communication link corresponds to a reliability level of the wireless communication link that can be supported by a first network node, and The one or more processors are further configured to cause the UE to initiate a conditional handover procedure from the second network node to the first network node in response to the supported reliability level meeting the threshold, wherein the conditional handover procedure includes the cell selection procedure.

15. The apparatus of claim 14, wherein the conditions of the condition handover process include: The supported reliability level meets the threshold. The Automotive Safety Integrity Level (ASIL) associated with the supported reliability level of the first network node meets the second threshold. The exposure category associated with the supported reliability level of the first network node meets the third threshold. The severity category associated with the supportable reliability level of the first network node meets the fourth threshold. The controllability category associated with the supportable reliability level of the first network node meets the fifth threshold or Their combination.

16. The apparatus of claim 1, wherein the supported reliability level corresponds to an ASIL from a plurality of automotive safety integrity levels (ASILs).

17. The apparatus of claim 16, wherein the ASIL is associated with one or more severity categories, one or more exposure categories, one or more controllability categories, or a combination thereof.

18. The apparatus of claim 17, wherein, in order for the UE to send or receive the signaling, the one or more processors are configured to cause the UE to receive from a network node the signaling indicating the supportable reliability level of the wireless communication link, wherein the signaling indicating the supportable reliability level indicates the highest reliability level of the wireless communication link that can be supported by the network node for one of the plurality of severity categories, one of the plurality of exposure categories, one of the plurality of controllability categories, or a combination thereof.

19. The apparatus of claim 17, wherein, in order for the UE to send or receive the signaling, the one or more processors are configured to cause the UE to: The signaling is sent to the network node indicating that the target reliability level of the wireless communication link can be supported, wherein the supported reliability level of the wireless communication link corresponds to the target supported reliability level of the wireless communication link requested by the UE, wherein the signaling includes an indication of a severity category among the plurality of severity categories requested by the UE, an exposure category among the plurality of exposure categories requested by the UE, a controllability category among the plurality of controllability categories requested by the UE, or a combination thereof.

20. The apparatus of claim 1, wherein the one or more processors are further configured to cause the UE to: Sending or receiving a second signaling indicating a second supportable reliability level for a second wireless communication link; and In response to the second supportable reliability level failing to meet the threshold, the second cell selection process is avoided.

21. The apparatus of claim 20, wherein, in order for the UE to send or receive the signaling, the one or more processors are configured to cause the UE to send to a network node the second signaling indicating a target support reliability level for the second wireless communication link, wherein the second support reliability level of the second wireless communication link corresponds to the target support reliability level of the second wireless communication link requested by the UE, and The one or more processors are further configured to cause the UE to receive from the network node a third signaling indicating that the network node does not support the target support reliability level of the second wireless communication link requested by the UE, wherein avoiding initiating the second cell selection process is based at least in part on receiving the third signaling.

22. The apparatus of claim 21, wherein the third signaling further indicates a third supportable reliability level of the second wireless communication link, the third supportable reliability level of the second wireless communication link corresponding to a second reliability level of the second wireless communication link that can be supported by the network node, and the second reliability level is lower than the target supportable reliability level.

23. The apparatus of claim 21, wherein, in order for the UE to receive the third signaling, the one or more processors are configured to cause the UE to receive the third signaling via a random access channel (RACH) procedure message.

24. The apparatus of claim 1, wherein the wireless communication link is associated with vehicle communication.

25. The apparatus of claim 1, wherein the supportable reliability level of the wireless communication link corresponds to the reliability level of the wireless communication link supported by the network node.

26. An apparatus for wireless communication at a network node, the apparatus comprising: One or more memory units; and One or more processors, said one or more processors coupled to said one or more memories and configured to cause the network node to: Sending or receiving signaling indicating the supportable reliability level of a wireless communication link; as well as The cell selection process is initiated in response to the supported reliability level meeting the threshold.

27. The apparatus of claim 26, wherein, in order for the network node to send or receive the signaling, the one or more processors are configured to cause the network node to send the signaling to a user equipment (UE) indicating the supportable reliability level of the wireless communication link, wherein the supportable reliability level of the wireless communication link corresponds to a reliability level of the wireless communication link that can be supported by the network node.

28. The apparatus of claim 26, wherein, in order for the network node to send or receive the signaling, the one or more processors are configured to cause the network node to receive from a user equipment (UE) the signaling indicating a target support reliability level of the wireless communication link, wherein the support reliability level of the wireless communication link corresponds to the target support reliability level of the wireless communication link requested by the UE.

29. A method for wireless communication performed by a user equipment (UE), the method comprising: Sending or receiving signaling indicating the supportable reliability level of a wireless communication link; as well as The cell selection process is initiated in response to the supported reliability level meeting the threshold.

30. A method for wireless communication performed by a network node, the method comprising: Sending or receiving signaling indicating the supportable reliability level of a wireless communication link; as well as The cell selection process is initiated in response to the supported reliability level meeting the threshold.

Images