Radio link monitoring and beam failure recovery techniques for non-serving cells

Abstract

Various aspects of the present disclosure generally relate to wireless communications. In some aspects, a user equipment (UE) may receive configuration information associated with monitoring a link quality on a non-serving cell of the UE, wherein the configuration information includes at least one of: information indicating a reference signal resource associated with the non-serving cell, or information indicating an uplink resource associated with the non-serving cell; monitoring a reference signal of the non-serving cell based at least in part on the configuration information; and using the uplink resource to send a channel quality indicator associated with the non-serving cell to a serving cell based at least in part on the monitoring. Many other aspects are provided.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This patent application claims priority to U.S. Provisional Patent Application No. 62 / 962,556, filed on January 17, 2020, entitled “TECHNIQUES FOR RADIO LINK MONITORING AND BEAM FAILURE RECOVERY ON NON-SERVING CELL,” and U.S. Non-Provisional Patent Application No. 17 / 247,523, filed on December 15, 2020, entitled “TECHNIQUES FOR RADIO LINK MONITORING AND BEAM FAILURE RECOVERY ON NON-SERVING CELL,” both of which are expressly incorporated herein by reference. Technical Field

[0003] Aspects of the present disclosure generally relate to wireless communications and techniques and apparatus for radio link monitoring (RLM) and beam failure recovery (BFR) for non-serving cells. Background Art

[0004] Wireless communication systems are widely deployed to provide a variety of telecommunication services, such as telephone, video, data, text messaging, and broadcasting. Typical wireless communication systems may employ multiple access technologies that can support communication with multiple users by sharing available system resources (e.g., bandwidth, transmit power, etc.). Examples of such multiple access technologies 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, time division synchronous code division multiple access (TD-SCDMA) systems, and long term evolution (LTE). LTE / LTE Advanced is a set of enhancements to the Universal Mobile Telecommunications System (UMTS) mobile standard promulgated by the Third Generation Partnership Project (3GPP).

[0005] A wireless communication network may include multiple base stations (BS) that can support communication of multiple user equipments (UEs). User equipments (UEs) may communicate with base stations (BSs) via downlinks and uplinks. Downlinks (or forward links) refer to the communication link from BSs to UEs, and uplinks (or reverse links) refer to the communication link from UEs to BSs. As will be described in more detail herein, BSs may be referred to as Node Bs, gNBs, Access Points (APs), Radio Heads, Transmit Receive Points (TRPs), New Radio (NR) BSs, 5G Node Bs, etc.

[0006] The above-mentioned multiple access technologies have been adopted in a variety of telecommunication standards to provide a common protocol that enables different user devices to communicate at a city, country, region, or even global level. New Radio (NR), also known as 5G, is a set of enhancements to the LTE mobile standard promulgated by the Third Generation Partnership Project (3GPP). NR is designed to better integrate with other open standards by improving spectrum efficiency, reducing costs, improving services, utilizing new spectrum, and using orthogonal frequency division multiplexing (OFDM) (CP-OFDM) with a cyclic prefix (CP) on the downlink (DL), using CP-OFDM and / or SC-FDM (e.g., also known as discrete Fourier transform spread OFDM (DFT-s-OFDM)) on the uplink (UL), and supporting beamforming, multiple input multiple output (MIMO) antenna technology, and carrier aggregation to better support mobile broadband Internet access. However, with the increasing demand for mobile broadband access, there is a need to further improve LTE and NR technologies. Preferably, these improvements should be applicable to other multiple access technologies and telecommunication standards that adopt these technologies. Summary of the invention

[0007] In some aspects, a method of wireless communication performed by a user equipment (UE) may include: receiving configuration information associated with monitoring link quality on a non-serving cell of the UE, wherein the configuration information includes at least one of: information indicating a reference signal resource associated with the non-serving cell, or information indicating an uplink resource associated with the non-serving cell; monitoring a reference signal of the non-serving cell based at least in part on the configuration information; and sending a channel quality indicator associated with the non-serving cell to a serving cell using the uplink resource based at least in part on the monitoring.

[0008] In some aspects, the monitoring is associated with beam failure detection or beam failure recovery operations.

[0009] In some aspects, the monitoring is associated with a radio link monitoring operation.

[0010] In some aspects, the non-serving cell comprises at least one of a neighbor cell or a candidate cell for the UE.

[0011] In some aspects, the information indicative of the reference signal resources indicates a physical cell identifier of the non-serving cell.

[0012] In some aspects, the reference signal comprises at least one of a synchronization signal block or a channel state information reference signal for cell quality monitoring or beam quality monitoring of the non-serving cell.

[0013] In some aspects, the uplink resources include at least one of a physical uplink control channel or a random access channel resource configured in an uplink of the cell.

[0014] In some aspects, the method includes detecting a failure on the non-serving cell based at least in part on detecting that measurements of all monitored reference signals associated with the non-serving cell fail to satisfy a threshold, wherein the channel quality indicator indicates the failure.

[0015] In some aspects, the method includes removing the non-serving cell from a set of candidate cells for the UE based at least in part on detecting the failure and at least in part on identifying that there is no selected beam on the non-serving cell.

[0016] In some aspects, the method includes receiving an uplink resource allocation based at least in part on the channel quality indicator indicating a failure associated with the non-serving cell; and using the resource allocation to provide information associated with the channel quality indicator or the failure associated with the non-serving cell.

[0017] In some aspects, the information associated with the channel quality indicator comprises a cell identifier or a physical cell identifier associated with the non-serving cell.

[0018] In some aspects, the information associated with the channel quality indicator indicates a selected cell or a selected beam on the non-serving cell having a quality value that satisfies a threshold.

[0019] In some aspects, the method includes receiving information configuring the UE to perform monitoring operations on the selected beam on the non-serving cell.

[0020] In some aspects, the method includes adding the selected cell to a set of candidate cells for the UE.

[0021] In some aspects, a method of wireless communication performed by a base station may include: sending configuration information associated with monitoring link quality on a non-serving cell of a UE, wherein the configuration information includes at least one of: information indicating a reference signal resource associated with the non-serving cell, or information indicating an uplink resource associated with the non-serving cell; and receiving a channel quality indicator associated with the non-serving cell using the uplink resources based at least in part on the monitoring.

[0022] In some aspects, the monitoring is associated with beam failure detection or beam failure recovery operations.

[0023] In some aspects, the monitoring is associated with a radio link monitoring operation.

[0024] In some aspects, the non-serving cell comprises at least one of a neighbor cell or a candidate cell for the UE.

[0025] In some aspects, the information indicative of the reference signal resources indicates a physical cell identifier of the non-serving cell.

[0026] In some aspects, the reference signal resource is associated with at least one of a synchronization signal block or a channel state information reference signal used for cell quality monitoring or beam quality monitoring of the non-serving cell.

[0027] In some aspects, the uplink resources include at least one of a physical uplink control channel or a random access channel resource configured in an uplink of a cell provided by the base station.

[0028] In some aspects, the channel quality indicator indicates a failure of the non-serving cell detected by the UE.

[0029] In some aspects, the method includes removing the non-serving cell from a set of candidate cells for the UE based at least in part on the failure and at least in part on the UE identifying that there is no selected beam on the non-serving cell.

[0030] In some aspects, the method includes sending an uplink resource allocation based at least in part on the channel quality indicator indicating a failure of the non-serving cell detected by the UE; and receiving information associated with the channel quality indicator using the resource allocation.

[0031] In some aspects, the information associated with the channel quality indicator comprises a cell identifier or a physical cell identifier associated with the non-serving cell.

[0032] In some aspects, the information associated with the channel quality indicator indicates a selected cell or a selected beam on the non-serving cell having a quality value that satisfies a threshold.

[0033] In some aspects, the method includes sending information that configures the UE to perform a monitoring operation on the selected beam on the non-serving cell.

[0034] In some aspects, the method includes adding the selected cell to a set of candidate cells for the UE.

[0035] In some aspects, a UE for wireless communication may include a memory and one or more processors operably coupled to the memory. The memory and the one or more processors may be configured to: receive configuration information associated with monitoring a link quality on a non-serving cell of the UE, wherein the configuration information includes at least one of: information indicating a reference signal resource associated with the non-serving cell, or information indicating an uplink resource associated with the non-serving cell; monitor a reference signal of the non-serving cell based at least in part on the configuration information; and send a channel quality indicator associated with the non-serving cell to a serving cell using the uplink resource based at least in part on the monitoring.

[0036] In some aspects, the monitoring is associated with beam failure detection or beam failure recovery operations.

[0037] In some aspects, the monitoring is associated with a radio link monitoring operation.

[0038] In some aspects, the non-serving cell comprises at least one of a neighbor cell or a candidate cell for the UE.

[0039] In some aspects, the information indicative of the reference signal resources indicates a physical cell identifier of the non-serving cell.

[0040] In some aspects, the reference signal comprises at least one of a synchronization signal block or a channel state information reference signal for cell quality monitoring or beam quality monitoring of the non-serving cell.

[0041] In some aspects, the uplink resources include at least one of a physical uplink control channel or a random access channel resource configured in an uplink of the cell.

[0042] In some aspects, the method includes detecting a failure on the non-serving cell based at least in part on detecting that measurements of all monitored reference signals associated with the non-serving cell fail to satisfy a threshold, wherein the channel quality indicator indicates the failure.

[0043] In some aspects, the method includes removing the non-serving cell from a set of candidate cells for the UE based at least in part on detecting the failure and at least in part on identifying that there is no selected beam on the non-serving cell.

[0044] In some aspects, the UE is configured to receive an uplink resource allocation based at least in part on the channel quality indicator indicating a failure associated with the non-serving cell; and use the resource allocation to provide information associated with the channel quality indicator or the failure associated with the non-serving cell.

[0045] In some aspects, the information associated with the channel quality indicator comprises a cell identifier or a physical cell identifier associated with the non-serving cell.

[0046] In some aspects, the information associated with the channel quality indicator indicates a selected cell or a selected beam on the non-serving cell having a quality value that satisfies a threshold.

[0047] In some aspects, the UE is configured to receive information configuring the UE to perform monitoring operations on the selected beam on the non-serving cell.

[0048] In some aspects, the UE is configured to add the selected cell to a set of candidate cells for the UE.

[0049] In some aspects, a base station for wireless communication may include a memory and one or more processors operably coupled to the memory. The memory and the one or more processors may be configured to: send configuration information associated with monitoring a link quality on a non-serving cell of a UE, wherein the configuration information includes at least one of: information indicating a reference signal resource associated with the non-serving cell, or information indicating an uplink resource associated with the non-serving cell; and receive a channel quality indicator associated with the non-serving cell using the uplink resource based at least in part on the monitoring.

[0050] In some aspects, the monitoring is associated with beam failure detection or beam failure recovery operations.

[0051] In some aspects, the monitoring is associated with a radio link monitoring operation.

[0052] In some aspects, the non-serving cell comprises at least one of a neighbor cell or a candidate cell for the UE.

[0053] In some aspects, the information indicative of the reference signal resources indicates a physical cell identifier of the non-serving cell.

[0054] In some aspects, the reference signal resource is associated with at least one of a synchronization signal block or a channel state information reference signal used for cell quality monitoring or beam quality monitoring of the non-serving cell.

[0055] In some aspects, the uplink resources include at least one of a physical uplink control channel or a random access channel resource configured in an uplink of a cell provided by the base station.

[0056] In some aspects, the channel quality indicator indicates a failure of the non-serving cell detected by the UE.

[0057] In some aspects, the base station is configured to remove the non-serving cell from a set of candidate cells for the UE based at least in part on the failure and at least in part on the UE identifying that there is no selected beam on the non-serving cell.

[0058] In some aspects, the base station is configured to send an uplink resource allocation based at least in part on the channel quality indicator indicating a failure of the non-serving cell detected by the UE; and receive information associated with the channel quality indicator using the resource allocation.

[0059] In some aspects, the information associated with the channel quality indicator comprises a cell identifier or a physical cell identifier associated with the non-serving cell.

[0060] In some aspects, the information associated with the channel quality indicator indicates a selected cell or a selected beam on the non-serving cell having a quality value that satisfies a threshold.

[0061] In some aspects, the base station is configured to send information that configures the UE to perform a monitoring operation on the selected beam on the non-serving cell.

[0062] In some aspects, the base station is configured to add the selected cell to a set of candidate cells for the UE.

[0063] In some aspects, a non-transitory computer-readable medium may store one or more instructions for wireless communication. When the one or more instructions are executed by one or more processors of a UE, the one or more processors may: receive configuration information associated with monitoring a link quality on a non-serving cell of the UE, wherein the configuration information includes at least one of: information indicating a reference signal resource associated with the non-serving cell, or information indicating an uplink resource associated with the non-serving cell; monitor a reference signal of the non-serving cell based at least in part on the configuration information; and send a channel quality indicator associated with the non-serving cell to a serving cell using uplink resources based at least in part on the monitoring.

[0064] In some aspects, the monitoring is associated with beam failure detection or beam failure recovery operations.

[0065] In some aspects, the monitoring is associated with a radio link monitoring operation.

[0066] In some aspects, the non-serving cell comprises at least one of a neighbor cell or a candidate cell for the UE.

[0067] In some aspects, the information indicative of the reference signal resources indicates a physical cell identifier of the non-serving cell.

[0068] In some aspects, the reference signal comprises at least one of a synchronization signal block or a channel state information reference signal for cell quality monitoring or beam quality monitoring of the non-serving cell.

[0069] In some aspects, the uplink resources include at least one of a physical uplink control channel or a random access channel resource configured in an uplink of the cell.

[0070] In some aspects, the one or more instructions cause the one or more processors to detect a failure on the non-serving cell based at least in part on detecting that measurements of all monitored reference signals associated with the non-serving cell fail to satisfy a threshold, wherein the channel quality indicator indicates the failure.

[0071] In some aspects, the one or more instructions cause the one or more processors to remove the non-serving cell from a set of candidate cells for the UE based at least in part on detecting the failure and at least in part on identifying that there is no selected beam on the non-serving cell.

[0072] In some aspects, the one or more instructions cause the one or more processors to receive an uplink resource allocation based at least in part on the channel quality indicator indicating a failure associated with the non-serving cell; and use the resource allocation to provide information associated with the channel quality indicator or the failure associated with the non-serving cell.

[0073] In some aspects, the information associated with the channel quality indicator comprises a cell identifier or a physical cell identifier associated with the non-serving cell.

[0074] In some aspects, the information associated with the channel quality indicator indicates a selected cell or a selected beam on the non-serving cell having a quality value that satisfies a threshold.

[0075] In some aspects, the one or more instructions cause the one or more processors to receive information configuring the UE to perform monitoring operations on the selected beam on the non-serving cell.

[0076] In some aspects, the one or more instructions cause the one or more processors to add the selected cell to a set of candidate cells for the UE.

[0077] In some aspects, a non-transitory computer-readable medium may store one or more instructions for wireless communication. The one or more instructions, when executed by one or more processors of a base station, may cause the one or more processors to: send configuration information associated with monitoring link quality on a non-serving cell of the UE, wherein the configuration information includes at least one of: information indicating a reference signal resource associated with the non-serving cell, or information indicating an uplink resource associated with the non-serving cell; and receive a channel quality indicator associated with the non-serving cell using the uplink resource based at least in part on the monitoring.

[0078] In some aspects, the monitoring is associated with beam failure detection or beam failure recovery operations.

[0079] In some aspects, the monitoring is associated with a radio link monitoring operation.

[0080] In some aspects, the non-serving cell comprises at least one of a neighbor cell or a candidate cell for the UE.

[0081] In some aspects, the information indicative of the reference signal resources indicates a physical cell identifier of the non-serving cell.

[0082] In some aspects, the reference signal resource is associated with at least one of a synchronization signal block or a channel state information reference signal used for cell quality monitoring or beam quality monitoring of the non-serving cell.

[0083] In some aspects, the uplink resources include at least one of a physical uplink control channel or a random access channel resource configured in an uplink of a cell provided by the base station.

[0084] In some aspects, the channel quality indicator indicates a failure of the non-serving cell detected by the UE.

[0085] In some aspects, the one or more instructions cause the one or more processors to remove the non-serving cell from a set of candidate cells for the UE based at least in part on the failure and at least in part on the UE identifying that there is no selected beam on the non-serving cell.

[0086] In some aspects, the one or more instructions cause the one or more processors to send an uplink resource allocation based at least in part on the channel quality indicator indicating a failure of the non-serving cell detected by the UE; and receive information associated with the channel quality indicator using the resource allocation.

[0087] In some aspects, the information associated with the channel quality indicator comprises a cell identifier or a physical cell identifier associated with the non-serving cell.

[0088] In some aspects, the information associated with the channel quality indicator indicates a selected cell or a selected beam on the non-serving cell having a quality value that satisfies a threshold.

[0089] In some aspects, the one or more instructions cause the one or more processors to send information configuring the UE to perform monitoring operations on the selected beam on the non-serving cell.

[0090] In some aspects, the one or more instructions cause the one or more processors to add the selected cell to a set of candidate cells for the UE.

[0091] In some aspects, an apparatus for wireless communication may include: a component for receiving configuration information associated with monitoring link quality on a non-serving cell of the apparatus, wherein the configuration information includes at least one of: information indicating a reference signal resource associated with the non-serving cell, or information indicating an uplink resource associated with the non-serving cell; a component for monitoring a reference signal of the non-serving cell based at least in part on the configuration information; and a component for sending a channel quality indicator associated with the non-serving cell to a serving cell using the uplink resource based at least in part on the monitoring.

[0092] In some aspects, the monitoring is associated with beam failure detection or beam failure recovery operations.

[0093] In some aspects, the monitoring is associated with a radio link monitoring operation.

[0094] In some aspects, the non-serving cell comprises at least one of a neighbor cell or a candidate cell for the UE.

[0095] In some aspects, the information indicative of the reference signal resources indicates a physical cell identifier of the non-serving cell.

[0096] In some aspects, the reference signal comprises at least one of a synchronization signal block or a channel state information reference signal for cell quality monitoring or beam quality monitoring of the non-serving cell.

[0097] In some aspects, the uplink resources include at least one of a physical uplink control channel or a random access channel resource configured in an uplink of the cell.

[0098] In some aspects, the apparatus includes means for detecting a failure on the non-serving cell based at least in part on detecting that measurements of all monitored reference signals associated with the non-serving cell fail to satisfy a threshold, wherein the channel quality indicator indicates the failure.

[0099] In some aspects, the apparatus includes means for removing the non-serving cell from a set of candidate cells for the UE based at least in part on detecting the failure and at least in part on identifying that there is no selected beam on the non-serving cell.

[0100] In some aspects, the apparatus includes means for receiving an uplink resource allocation based at least in part on the channel quality indicator indicating a failure associated with the non-serving cell; and means for using the resource allocation to provide information associated with the channel quality indicator or the failure associated with the non-serving cell.

[0101] In some aspects, the information associated with the channel quality indicator comprises a cell identifier or a physical cell identifier associated with the non-serving cell.

[0102] In some aspects, the information associated with the channel quality indicator indicates a selected cell or a selected beam on the non-serving cell having a quality value that satisfies a threshold.

[0103] In some aspects, the apparatus includes means for receiving information configuring the UE to perform monitoring operations on the selected beam on the non-serving cell.

[0104] In some aspects, the apparatus includes means for adding the selected cell to a set of candidate cells for the UE.

[0105] In some aspects, an apparatus for wireless communication may include: a component for sending configuration information associated with monitoring link quality on a non-serving cell of a UE, wherein the configuration information includes at least one of: information indicating a reference signal resource associated with the non-serving cell, or information indicating an uplink resource associated with the non-serving cell; and a component for receiving a channel quality indicator associated with the non-serving cell using the uplink resource based at least in part on the monitoring.

[0106] In some aspects, the monitoring is associated with beam failure detection or beam failure recovery operations.

[0107] In some aspects, the monitoring is associated with a radio link monitoring operation.

[0108] In some aspects, the non-serving cell comprises at least one of a neighbor cell or a candidate cell for the UE.

[0109] In some aspects, the information indicative of the reference signal resources indicates a physical cell identifier of the non-serving cell.

[0110] In some aspects, the reference signal resource is associated with at least one of a synchronization signal block or a channel state information reference signal used for cell quality monitoring or beam quality monitoring of the non-serving cell.

[0111] In some aspects, the uplink resources include at least one of a physical uplink control channel or a random access channel resource configured in an uplink of a cell provided by the base station.

[0112] In some aspects, the channel quality indicator indicates a failure of the non-serving cell detected by the UE.

[0113] In some aspects, the apparatus includes means for removing the non-serving cell from a set of candidate cells for the UE based at least in part on the failure and at least in part on the UE identifying that there is no selected beam on the non-serving cell.

[0114] In some aspects, the apparatus includes means for sending an uplink resource allocation based at least in part on the channel quality indicator indicating a failure of the non-serving cell detected by the UE; and means for receiving information associated with the channel quality indicator using the resource allocation.

[0115] In some aspects, the information associated with the channel quality indicator comprises a cell identifier or a physical cell identifier associated with the non-serving cell.

[0116] In some aspects, the information associated with the channel quality indicator indicates a selected cell or a selected beam on the non-serving cell having a quality value that satisfies a threshold.

[0117] In some aspects, the apparatus includes means for sending information configuring the UE to perform monitoring operations on the selected beam on the non-serving cell.

[0118] In some aspects, the apparatus includes means for adding the selected cell to a set of candidate cells for the UE.

[0119] Aspects generally include methods, apparatuses, systems, computer program products, non-transitory computer-readable media, user equipment, base stations, wireless communication devices, and / or processing systems as described herein with reference to and illustrated by the accompanying figures.

[0120] The foregoing has been fairly broadly summarized according to the features and technical advantages of the examples of the present disclosure so that the following detailed description may be better understood. Additional features and advantages will be described below. The disclosed concepts and specific examples may be easily used as a basis for modifying or designing other structures for the same purpose of performing the present disclosure. Such equivalent constructions do not depart from the scope of the appended claims. The characteristics of the concepts disclosed herein, their organization and methods of operation, and associated advantages will be better understood from the following description when considered in conjunction with the accompanying drawings. Each figure is provided for the purpose of illustration and description, and not as a definition of the limitations of the claims. BRIEF DESCRIPTION OF THE DRAWINGS

[0121] In order to be able to understand the above-mentioned features of the present disclosure in detail, a more specific description briefly summarized above may be made by reference to various aspects, some of which are illustrated in the accompanying drawings. However, it should be noted that the attached drawings only illustrate certain typical aspects of the present disclosure and should not be considered as limiting the scope thereof, as the description may allow for other equivalent aspects. The same reference numerals in different drawings may identify the same or similar elements.

[0122] Figure 1 is a schematic diagram illustrating an example of a wireless communication network according to various aspects of the present disclosure.

[0123] Figure 2 is a schematic diagram illustrating an example of a base station communicating with a UE in a wireless communication network according to various aspects of the present disclosure.

[0124] Figure 3 is a diagram illustrating an example of RLM or BFR for a non-serving cell according to various aspects of the present disclosure.

[0125] Figure 4 is a schematic diagram illustrating an example process, for example, performed by a user equipment according to various aspects of the present disclosure.

[0126] Figure 5 is a schematic diagram illustrating an example process performed, for example, by a base station according to various aspects of the present disclosure.

[0127] Figure 6 is a schematic diagram illustrating the data flow between different components in an example apparatus according to aspects of the present disclosure.

[0128] Figure 7 is a schematic diagram illustrating the data flow between different components in an example apparatus according to aspects of the present disclosure. DETAILED DESCRIPTION

[0129] The various aspects of the present disclosure are described more fully below with reference to the accompanying drawings. However, the present disclosure can be embodied in many different forms and should not be construed as being limited to any specific structure or function presented throughout the present disclosure. On the contrary, these aspects are provided to make the present disclosure thorough and complete, and to fully convey the scope of the present disclosure to those skilled in the art. Based on the teachings herein, it should be understood by those skilled in the art that the scope of the present disclosure is intended to cover any aspect of the present disclosure disclosed herein, whether implemented independently of any other aspect of the present disclosure or implemented in combination with any other aspect of the present disclosure. For example, any number of aspects set forth herein can be used to implement a device or practice method. In addition, the scope of the present disclosure is intended to cover the use of other structures, functions, or structures and functions other than the various aspects of the present disclosure set forth herein or different from the various aspects of the present disclosure set forth herein to practice such a device and method. It should be understood that any aspect of the present disclosure disclosed herein can be embodied by one or more elements of the claims.

[0130] Several aspects of telecommunication systems will now be described with reference to various devices and techniques. These devices and techniques will be described in the detailed description below and illustrated in the accompanying drawings by various blocks, modules, components, circuits, steps, processes, algorithms, etc. (collectively referred to as "elements"). These elements can be implemented using hardware, software, or any combination thereof. Whether such an element is implemented as hardware or software depends on the specific application and the design constraints imposed on the overall system.

[0131] It should be noted that although various aspects may be described herein using terminology generally associated with 5G or NR radio access technologies (RATs), aspects of the present disclosure may be applied to other RATs, such as 3G RATs, 4G RATs, and / or post-5G (e.g., 6G) RATs.

[0132] Figure 1 1 is a schematic diagram illustrating a wireless network 100 in which aspects of the present disclosure may be practiced. The wireless network 100 may be an LTE network or some other wireless network, such as a 5G or NR network. The wireless network 100 may include a plurality of BSs 110 (shown as BS 110a, BS 110b, BS 110c, and BS 110d) and other network entities. A BS is an entity that communicates with a user equipment (UE) and may also be referred to as a base station, NR BS, Node B, gNB, 5G Node B (NB), access point, transmit receive point (TRP), etc. Each BS may provide communication coverage for a particular geographic area. In 3GPP, the term "cell" may refer to a coverage area of ​​a BS and / or a BS subsystem serving the coverage area, depending on the context in which the term is used.

[0133] A BS may provide communication coverage for a macro cell, a pico cell, a femto cell, and / or another type of cell. A macro cell may cover a relatively large geographic area (e.g., several kilometers in radius) and may allow unrestricted access to UEs with service subscriptions. A pico cell may cover a relatively small geographic area and may allow unrestricted access to UEs with service subscriptions. A femto cell may cover a relatively small geographic area (e.g., a home) and may allow restricted access to UEs associated with the femto cell (e.g., UEs in a closed subscriber group (CSG)). A BS for a macro cell may be referred to as a macro BS. A BS for a pico cell may be referred to as a pico BS. A BS for a femto cell may be referred to as a femto BS or a home BS. In Figure 1 In the example shown in , BS 110a may be a macro BS of macro cell 102a, BS 110b may be a pico BS of pico cell 102b, and BS 110c may be a femto BS of femto cell 102c. A BS may support one or more (e.g., three) cells. In this document, the terms "eNB", "base station", "NR BS", "gNB", "TRP", "AP", "Node B", "5G NB", and "cell" may be used interchangeably.

[0134] In some aspects, the cells may not necessarily be fixed, and the geographic area of ​​the cells may move depending on the location of the mobile BS. In some aspects, the BSs may be interconnected with each other and / or with one or more other BSs or network nodes (not shown) in the wireless network 100 via various types of backhaul interfaces, such as direct physical connections, virtual networks, and / or similar interfaces using any suitable transport networks.

[0135] The wireless network 100 may also include a relay station. A relay station is an entity that can receive transmissions of data from an upstream station (e.g., a BS or a UE) and send transmissions of the data to a downstream station (e.g., a UE or a BS). A relay station may also be a UE that can relay transmissions of other UEs. Figure 1 In the example shown in FIG. 1 , a relay BS 110 d may communicate with a macro BS 110 a and a UE 120 d to facilitate communication between the BS 110 a and the UE 120 d. A relay BS may also be referred to as a relay station, a relay base station, a relay, or the like.

[0136] The wireless network 100 may be a heterogeneous network including different types of BSs (e.g., macro BSs, pico BSs, femto BSs, relay BSs, etc.). These different types of BSs may have different transmit power levels, different coverage areas, and different effects on interference in the wireless network 100. For example, a macro BS may have a higher transmit power level (e.g., 5 to 40 watts), while a pico BS, a femto BS, and a relay BS may have a lower transmit power level (e.g., 0.1 to 2 watts).

[0137] A network controller 130 may be coupled to a set of BSs and may provide coordination and control for these BSs. The network controller 130 may communicate with the BSs via a backhaul. The BSs may also communicate with each other directly or indirectly, for example, via a wireless or wired backhaul.

[0138] UE 120 (e.g., 120a, 120b, 120c) can be dispersed throughout the wireless network 100, and each UE can be fixed or mobile. UE can also be referred to as an access terminal, terminal, mobile station, subscriber unit, station, etc. UE can be a cellular phone (e.g., a smart phone), 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 or equipment, a biometric sensor / device, a wearable device (smart watch, smart clothing, smart glasses, smart wristband, smart jewelry (e.g., smart ring, smart bracelet)), an entertainment device (e.g., a music or video device or a satellite radio), a vehicle-mounted component or sensor, a smart meter / sensor, industrial manufacturing equipment, a global positioning system device, or any other suitable device configured to communicate via a wireless or wired medium.

[0139] Some UEs may be considered as machine type communication (MTC) or evolved or enhanced machine type communication (eMTC) UEs. MTC and eMTC UEs include, for example, robots, drones, remote devices, sensors, meters, monitors, location tags, etc., which may communicate with a base station, another device (e.g., a remote device), or some other entity. A wireless node may provide connectivity for or to a network (e.g., a wide area network, such as the Internet or a cellular network), for example, via a wired or wireless communication link. Some UEs may be considered as Internet of Things (IoT) devices, and / or may be implemented as NB-IoT (narrowband Internet of Things) devices. Some UEs may be considered as customer premises equipment (CPE). UE 120 may be included in a housing that houses components of UE 120, such as a processor component, a memory component, etc.

[0140] Generally, any number of wireless networks can be deployed in a given geographic area. Each wireless network can support a specific RAT and can operate on one or more frequencies. RAT can also be referred to as radio technology, air interface, etc. Frequency can also be referred to as carrier, frequency channel, etc. Each frequency can support a single RAT in a given geographic area to avoid interference between wireless networks of different RATs. In some cases, NR or 5G RAT networks can be deployed.

[0141] In some aspects, two or more UEs 120 (e.g., shown as UE 120a and UE 120e) may communicate directly (e.g., without using base station 110 as an intermediary for communicating with each other) using one or more side link channels. For example, UE 120 may communicate using point-to-point (P2P) communication, device-to-device (D2D) communication, vehicle-to-everything (V2X) protocols (e.g., which may include vehicle-to-vehicle (V2V) protocols, vehicle-to-infrastructure (V2I) protocols, etc.), mesh networks, etc. In this case, UE 120 may perform scheduling operations, resource selection operations, and / or other operations described elsewhere herein as being performed by base station 110.

[0142] The devices of the wireless network 100 may communicate using an electromagnetic spectrum that may be subdivided into various categories, frequency bands, channels, etc. based on frequency or wavelength. For example, the devices of the wireless network 100 may communicate using an operating frequency band having a first frequency range (FR1) (which may span 410 MHz to 7.125 GHz), and / or may communicate using an operating frequency band having a second frequency range (FR2) (which may span 24.25 GHz to 52.6 GHz). Frequencies between FR1 and FR2 are sometimes referred to as mid-band frequencies. Although a portion of FR1 is greater than 6 GHz, FR1 is often referred to as a "sub-6 GHz" band. Similarly, FR2 is often referred to as a "millimeter wave" band, although it is different from the extremely high frequency (EHF) band (30 GHz-300 GHz) identified as a "millimeter wave" band by the International Telecommunication Union (ITU). Therefore, unless otherwise specifically stated, it should be understood that the term "sub-6 GHz" or the like (if used herein) may broadly represent frequencies less than 6 GHz, frequencies within FR1, and / or mid-band frequencies (e.g., greater than 7.125 GHz). Similarly, unless otherwise specifically noted, it should be understood that the term "millimeter wave" and the like (if used herein) can broadly refer to frequencies within the EHF band, frequencies within FR2, and / or mid-band frequencies (e.g., less than 24.25 GHz). It is contemplated that the frequencies included in FR1 and FR2 can be modified, and the techniques described herein are applicable to those modified frequency ranges.

[0143] As mentioned above, Figure 1 is provided as an example. Other examples may be related to Figure 1 The content described is different.

[0144] Figure 2 A block diagram of a design 200 of a base station 110 and a UE 120 is shown, which may be Figure 1 Base station 110 may be equipped with T antennas 234a through 234t, and UE 120 may be equipped with R antennas 252a through 252r, where in general T ≥ 1 and R ≥ 1.

[0145] At the base station 110, the transmit processor 220 may receive data for one or more UEs from the data source 212, select one or more modulation and coding schemes (MCS) for each UE based at least in part on a channel quality indicator (CQI) received from the UE, process (e.g., encode and modulate) the data for each UE based at least in part on the MCS selected for the UE, and provide data symbols for all UEs. The transmit processor 220 may also process system information (e.g., for semi-static resource partitioning information (SRPI), etc.) and control information (e.g., CQI requests, grants, upper layer signaling, etc.), and provide overhead symbols and control symbols. The transmit processor 220 may also generate reference symbols for reference signals (e.g., cell-specific reference signals (CRS)) and synchronization signals (e.g., primary synchronization signals (PSS) and secondary synchronization signals (SSS)). The transmit (TX) multiple-input multiple-output (MIMO) processor 230 may perform spatial processing (e.g., precoding) on ​​data symbols, control symbols, overhead symbols, and / or reference symbols, where applicable, and may provide T output symbol streams to T modulators (MOD) 232a to 232t. Each modulator 232 may process a corresponding output symbol stream (e.g., for OFDM, etc.) to obtain an output sample stream. Each modulator 232 may further process (e.g., convert to analog, amplify, filter, and up-convert) the output sample stream to obtain a downlink signal. The T downlink signals from modulators 232a to 232t may be transmitted via T antennas 234a to 234t, respectively. According to various aspects described in more detail below, a synchronization signal may be generated with coding to convey the location of additional information.

[0146] At UE 120, antennas 252a to 252r may receive downlink signals from base station 110 and / or other base stations, and may provide received signals to demodulators (DEMODs) 254a to 254r, respectively. Each demodulator 254 may condition (e.g., filter, amplify, downconvert, and digitize) the received signal to obtain input samples. Each demodulator 254 may further process the input samples (e.g., for OFDM, etc.) to obtain received symbols. A MIMO detector 256 may obtain received symbols from all R demodulators 254a to 254r, perform MIMO detection on the received symbols where applicable, and provide detected symbols. A receive processor 258 may process (e.g., demodulate and decode) the detected symbols, provide decoded data for UE 120 to a data pool 260, and provide decoded control information and system information to a controller / processor 280. The channel processor may determine reference signal received power (RSRP), received signal strength indicator (RSSI), reference signal received quality (RSRQ), channel quality indicator (CQI), etc. In some aspects, one or more components of UE 120 may be included in a housing.

[0147] On the uplink, at the UE 120, a transmit processor 264 may receive and process data from a data source 262 and control information from a controller / processor 280 (e.g., for reports including RSRP, RSSI, RSRQ, CQI, etc.). The transmit processor 264 may also generate reference symbols for one or more reference signals. The symbols from the transmit processor 264 may be precoded by a TX MIMO processor 266, where applicable, further processed by modulators 254a through 254r (e.g., for DFT-s-OFDM, CP-OFDM, etc.), and transmitted to the base station 110. At the base station 110, uplink signals from the UE 120 and other UEs may be received by the antenna 234, processed by the demodulator 232, detected by the MIMO detector 236, where applicable, and further processed by the receive processor 238 to obtain decoded data and control information transmitted by the UE 120. The receive processor 238 may provide decoded data to a data sink 239 and decoded control information to a controller / processor 240. The base station 110 may include a communication unit 244 and communicate with the network controller 130 via the communication unit 244. The network controller 130 may include a communication unit 294, a controller / processor 290, and a memory 292.

[0148] The controller / processor 240 of the base station 110, the controller / processor 280 of the UE 120, and / or Figure 2Any other components of the UE 120 may perform one or more techniques associated with RLM and BFR for non-serving cells as described in more detail elsewhere herein. For example, the controller / processor 240 of the base station 110, the controller / processor 280 of the UE 120, and / or Figure 2 Any other component of the can perform or direct e.g. Figure 4 The process of 400 Figure 5 The operations of the process 500 and / or other processes as described herein. The memories 242 and 282 may store data and program codes for the base station 110 and the UE 120, respectively. In some aspects, the memory 242 and / or the memory 282 may include a non-transitory computer-readable medium storing one or more instructions for wireless communication. For example, when executed by one or more processors of the base station 110 and / or the UE 120, the one or more instructions may perform or direct, for example, Figure 4 The process of 400 Figure 5 The scheduler 246 may schedule UEs for data transmission on the downlink and / or uplink.

[0149] In some aspects, UE 120 may include components for receiving configuration information associated with monitoring link quality on a non-serving cell of the UE; components for monitoring a reference signal of the non-serving cell based at least in part on the configuration information; components for using the uplink resource to send a channel quality indicator associated with the non-serving cell to a serving cell based at least in part on the monitoring; components for detecting a failure on the non-serving cell based at least in part on detecting that all monitored reference signals associated with the non-serving cell fail to meet a threshold, wherein the channel quality indicator indicates a failure; components for removing the non-serving cell from a candidate cell set of the UE based at least in part on detecting the failure and at least in part on identifying that there is no selected beam on the non-serving cell; components for receiving an uplink resource allocation based at least in part on a channel quality indicator indicating a failure associated with the non-serving cell; components for using the resource allocation to provide information associated with the channel quality indicator or a failure associated with the non-serving cell; components for receiving information configuring the UE to perform a monitoring operation on a selected beam on the non-serving cell; components for adding the selected cell to the candidate cell set of the UE; and the like. In some aspects, such components may include a combination of Figure 2 One or more components of UE 120 are depicted, such as controller / processor 280, transmit processor 264, TX MIMO processor 266, MOD 254, antenna 252, DEMOD 254, MIMO detector 256, receive processor 258, and the like.

[0150] In some aspects, the base station 110 may include components for sending configuration information associated with monitoring link quality on a non-serving cell of the UE; components for using uplink resources to receive a channel quality indicator associated with the non-serving cell based at least in part on monitoring; components for removing the non-serving cell from the UE's candidate cell set based at least in part on a failure and at least in part on the UE identifying that there is no selected beam on the non-serving cell; components for sending an uplink resource allocation based at least in part on a channel quality indicator indicating a failure of the non-serving cell detected by the UE; components for receiving information associated with the channel quality indicator using the resource allocation; components for sending information configuring the UE to perform a monitoring operation on a selected beam on the non-serving cell; components for adding the selected cell to the UE's candidate cell set; and the like. In some aspects, such components may include in combination Figure 2 One or more components of the base station 110 are depicted, such as antenna 234, DEMOD 232, MIMO detector 236, receive processor 238, controller / processor 240, transmit processor 220, TX MIMO processor 230, MOD 232, antenna 234, and the like.

[0151] As mentioned above, Figure 2 is provided as an example. Other examples may be related to Figure 2 The content described is different.

[0152] The UE may perform various monitoring or recovery operations to monitor or improve link quality. For example, in some wireless systems (such as millimeter wave (mmW) systems), beam blocking (e.g., caused by hands, bodies, objects, etc.) is an important issue. In some systems, when the beam of a serving cell is blocked, a beam failure recovery (BFR) process may be initiated based at least in part on beam failure detection (BFD). The ultimate goal of the BFR process is to switch to an alternate beam pair on the link or ultimately terminate the link. As another example, radio link monitoring (RLM) is used to track radio link conditions so that appropriate steps can be taken when a radio link failure (RLF) is identified. For example, based at least in part on detecting an RLF, the UE may switch from a link on a serving cell associated with the RLF to a link on another (non-serving) cell so that the other cell can be used as a serving cell.

[0153] In some cases, the UE may be associated with one or more non-serving cells (such as one or more candidate cells or one or more neighboring cells). A candidate cell may be a cell that can be selected as a serving cell for the UE. A serving cell may include a primary cell (e.g., a cell operating on a primary frequency, in which the UE performs an initial connection establishment process or initiates a connection reestablishment process, or a cell indicated as a primary cell during a handover process) and / or a secondary cell (e.g., a cell operating on a secondary frequency, which may be configured once a connection is established and may be used to provide additional radio resources). A candidate cell may be selected from one or more neighboring cells. For example, a base station or a UE may determine a candidate cell set, and one or more serving cells may be selected from the candidate cell set. However, some UEs may be associated with high mobility or frequently changing channel conditions. For such UEs, a cell previously selected as a candidate cell may subsequently become unsuitable as a serving cell due to high mobility or frequently changing channel conditions. In this case, if a candidate cell is added as a serving cell for the UE, the candidate cell may fail, thereby negatively affecting UE performance, wasting computing resources of the UE and the corresponding base station, and reducing throughput.

[0154] Some techniques and devices described herein provide RLM and / or BFD / BFR for non-serving cells (such as candidate cells). For example, a UE may be configured with reference signal resources and uplink resources for monitoring non-serving cells to facilitate indicating a beam failure or RLF on a non-serving cell. A base station may receive an indication of a beam failure or RLF and may provide an uplink resource allocation to the UE to report more detailed information about the beam failure or RLF. In addition, the base station and the UE may eliminate non-serving cells from a set of candidate cells or neighboring cells, may add another cell as a candidate cell, or may configure the UE to monitor another beam on a non-serving cell. In this way, computing resources of the UE and base station that would otherwise be used to activate inappropriate non-serving cells are saved, throughput is improved, and UE performance is improved. In addition, by performing RLM and / or BFD on non-serving cells (such as neighboring cells), the techniques and devices described herein facilitate more efficient (e.g., lower latency and overhead) beam management to support higher intra-cell mobility and L1 / L2-centric inter-cell mobility. Such improvements may be particularly useful for inter-cell mobility associated with non-standalone (NSA) deployments, standalone (SA) deployments, intra-band carrier aggregation deployments, intra-radio access technology deployments, and intra-frequency handover scenarios, although these improvements may also be beneficial and usable for other use cases.

[0155] Figure 31 is a diagram illustrating an example 300 of RLM or BFR for a non-serving cell according to various aspects of the present disclosure. As shown, the example 300 includes a UE 120, a BS 110, and a non-serving cell. The non-serving cell may be provided by the BS 110 or may be provided by the BS 110. Figure 3 Provided by another BS not shown.

[0156] like Figure 3 As shown in the figure, by reference numeral 310, BS 110 can provide configuration information associated with monitoring link quality on a non-serving cell to UE 120. As shown, in some aspects, the configuration information can include information indicating reference signal (RS) resources associated with the non-serving cell. As shown, in some aspects, the configuration information can include information indicating uplink (UL) resources associated with the non-serving cell. The RS resources can indicate resources on which RS (e.g., synchronization signal blocks (SSBs), channel state information reference signals (CSI-RS), etc.) of the non-serving cell will be received by UE 120. The information indicating the UL resources can indicate resources associated with BS 110 on which UE 120 will send a channel quality indicator for the non-serving cell.

[0157] In some aspects, the configuration information may identify the one or more non-serving cells using identifiers of the one or more non-serving cells, such as physical cell identifiers (PCIs) associated with the one or more non-serving cells. The configuration information may configure RS resources corresponding to each PCI for UE 120 to monitor cell quality and / or beam quality of the one or more non-serving cells.

[0158] In some aspects, the corresponding UL resources may be configured for a non-serving cell set. As described below, the corresponding UL resources may be used by UE 120 to indicate a beam failure or a radio link failure of a non-serving cell. In some aspects, the UL resources may include physical uplink control channels and / or random access channel (RACH) resources configured in an uplink of a cell (such as a secondary primary cell or a special cell (SPCell)) of BS 110.

[0159] As shown by reference numeral 320, UE 120 may receive RS from a non-serving cell on RS resources indicated by configuration information. For example, UE 120 may receive one or more SSBs, one or more CSI-RS, and the like. As shown by reference numeral 330, UE 120 may monitor RS in association with a monitoring operation (such as an RLM operation, a BFD operation, and the like). For example, UE 120 may use RS to monitor cell quality (e.g., beam quality). In some aspects, UE 120 may detect a failure based at least in part on RS. For example, UE 120 may detect a failure based at least in part on a measurement (e.g., quality measurement, etc.) of one or more RS (e.g., all RSs, all monitored RSs, etc.) of a non-serving cell failing to meet a threshold.

[0160] As shown by reference numeral 340, UE 120 may provide a channel quality indicator for a non-serving cell. The channel quality indicator may indicate information associated with monitoring a non-serving cell. Here, the channel quality indicator indicates a failure associated with a non-serving cell. For example, UE 120 may provide an indication of a failure based at least in part on detecting a failure associated with a non-serving cell (e.g., at least in part on the measurement of one or more RSs of the non-serving cell failing to meet a threshold). In some aspects, UE 120 may provide a channel quality indicator indicating that no failure has occurred. In some aspects, UE 120 may not provide a channel quality indicator based at least in part on determining that no failure has occurred. In some aspects, the channel quality indicator may include a physical uplink control channel, a RACH message, etc.

[0161] As shown by reference numeral 350, BS 110 may provide uplink resource allocation for UE 120 based at least in part on the channel quality indicator. For example, BS 110 may provide resource allocation based at least in part on a failure associated with a non-serving cell. By providing resource allocation after detecting a failure, network resources that would otherwise be used to schedule resource allocation regardless of whether a failure is detected are saved. As shown by reference numeral 360, UE 120 may provide information associated with the failure to BS 110. For example, UE 120 may provide the information using resource allocation provided by BS 110. In some aspects, the information associated with the failure may indicate a cell identifier or PCI associated with the non-serving cell. In some aspects, the information associated with the failure may indicate one or more selected beams or one or more selected cells. For example, one or more selected beams and / or one or more selected cells may be selected by UE 120 as a replacement for a non-serving cell or a beam of a non-serving cell that experiences a failure.

[0162] As shown by reference numeral 370, BS 110 and / or UE 120 may perform one or more actions based at least in part on a failure on a non-serving cell and / or information associated with the failure. In some aspects, BS 110 may configure UE 120 to monitor one or more selected beams and / or one or more selected cells (e.g., perform RLM or BFD on one or more selected beams and / or one or more selected cells). In some aspects, BS 110 may perform BFR operations. In some aspects, BS 110 may configure one or more selected cells as one or more serving cells of UE 120. In some aspects, BS 110 may remove a non-serving cell associated with a failure from a candidate cell set or a neighboring cell set of UE 120. In some aspects, BS 110 may add one or more selected cells as one or more serving cells of UE 120.

[0163] By performing RLM and / or BFD on non-serving cells, computing resources of the UE 120 and BS 110 that would otherwise be used to activate unsuitable non-serving cells are saved, throughput is improved, and UE performance is improved, which may be particularly useful for inter-cell mobility centered on layer 1 or layer 2.

[0164] As mentioned above, Figure 3 is provided as an example. Other examples may be related to Figure 3 The content described is different.

[0165] Figure 4 4 is a diagram illustrating an example process 400 performed, for example, by a UE according to various aspects of the present disclosure. Example process 400 is one example of a UE (eg, UE 120, etc.) performing operations associated with radio link monitoring and beam failure recovery for a non-serving cell.

[0166] like Figure 4As shown in , in some aspects, process 400 may include receiving configuration information associated with monitoring link quality on a non-serving cell of the UE, wherein the configuration information includes at least one of: information indicating reference signal resources associated with the non-serving cell, or information indicating uplink resources associated with the non-serving cell (block 410). For example, as described above, the UE (e.g., using antenna 252, DEMOD 254, MIMO detector 256, receiving processor 258, controller / processor 280, etc.) may receive configuration information associated with monitoring link quality on a non-serving cell of the UE. In some aspects, the configuration information includes at least one of information indicating reference signal resources associated with the non-serving cell or information indicating uplink resources associated with the non-serving cell. It should be understood that "configuration information associated with monitoring link quality" does not mean that the UE has a link (e.g., a radio resource control connection) with the non-serving cell. The techniques and apparatus described herein may be applied to cells with which the UE does not have an activated link, such as non-serving cells.

[0167] like Figure 4 As further shown in FIG. 4 , in some aspects, process 400 may include monitoring a reference signal of a non-serving cell based at least in part on the configuration information (block 420). For example, as described above, the UE (e.g., using antenna 252, DEMOD 254, MIMO detector 256, receive processor 258, controller / processor 280, etc.) may monitor a reference signal of a non-serving cell based at least in part on the configuration information.

[0168] like Figure 4 As further shown in FIG. 4 , in some aspects, process 400 may include sending, based at least in part on the monitoring, a channel quality indicator associated with the non-serving cell to the serving cell using uplink resources (block 430). For example, as described above, the UE (e.g., using controller / processor 280, transmit processor 264, TX MIMO processor 266, MOD 254, antenna 252, etc.) may send, based at least in part on the monitoring, a channel quality indicator associated with the non-serving cell to the serving cell using uplink resources.

[0169] Process 400 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in combination with one or more other processes described elsewhere herein.

[0170] In a first aspect, the monitoring is associated with a beam failure detection or beam failure recovery operation.

[0171] In a second aspect, either alone or in combination with the first aspect, the monitoring is associated with a radio link monitoring operation.

[0172] In a third aspect, alone or in combination with one or more of the first and second aspects, the non-serving cell includes at least one of a neighboring cell or a candidate cell of the UE.

[0173] In a fourth aspect, alone or in combination with one or more of the first to third aspects, the information indicating the reference signal resource indicates a physical cell identifier of the non-serving cell.

[0174] In the fifth aspect, alone or in combination with one or more of the first to fourth aspects, the reference signal includes at least one of a synchronization signal block or a channel state information reference signal for cell quality monitoring or beam quality monitoring of the non-service cell.

[0175] In a sixth aspect, alone or in combination with one or more of the first to fifth aspects, the uplink resources include at least one of a physical uplink control channel or a random access channel resource configured in an uplink of the cell.

[0176] In a seventh aspect, alone or in combination with one or more of aspects 1 to 6, process 400 comprises detecting a fault on the non-serving cell based at least in part on detecting that measurements of all monitored reference signals associated with the non-serving cell fail to satisfy a threshold, wherein the channel quality indicator indicates the fault.

[0177] In an eighth aspect, such as in combination with the seventh aspect, process 400 includes removing the non-serving cell from a candidate cell set for the UE based at least in part on detecting the failure and at least in part on identifying that there is no selected beam on the non-serving cell.

[0178] In a ninth aspect, alone or in combination with one or more of aspects one to eight, process 400 comprises receiving an uplink resource allocation based at least in part on the channel quality indicator indicating a fault associated with the non-serving cell; and using the resource allocation to provide information associated with the channel quality indicator or the fault associated with the non-serving cell.

[0179] In a tenth aspect, such as in combination with the ninth aspect, the information associated with the channel quality indicator comprises a cell identifier or a physical cell identifier associated with the non-serving cell.

[0180] In an eleventh aspect, such as in combination with the tenth aspect, the information associated with the channel quality indicator indicates a selected cell or a selected beam on the non-serving cell having a quality value that satisfies a threshold.

[0181] In a twelfth aspect, such as in combination with the eleventh aspect, process 400 includes receiving information configuring the UE to perform monitoring operations on the selected beam on the non-serving cell.

[0182] In a thirteenth aspect, such as in combination with the eleventh aspect, process 400 includes adding the selected cell to a candidate cell set of the UE.

[0183] Although Figure 4 Example blocks of process 400 are shown, but in some aspects process 400 may include additional blocks, fewer blocks, different blocks, or different Figure 4 Additionally or alternatively, two or more of the blocks of process 400 may be executed in parallel.

[0184] Figure 5 5 is a diagram illustrating an example process 500 performed, for example, by a base station according to various aspects of the present disclosure. Example process 500 is one example of operations performed by a base station (eg, BS 110, etc.) associated with radio link monitoring or beam failure detection for a non-serving cell.

[0185] like Figure 5 As shown in FIG. 5 , in some aspects, process 500 may include sending configuration information associated with monitoring link quality on a non-serving cell for a UE, wherein the configuration information includes at least one of: information indicating reference signal resources associated with the non-serving cell, or information indicating uplink resources associated with the non-serving cell (block 510). For example, as described above, a base station (e.g., using controller / processor 240, transmit processor 220, TX MIMO processor 230, MOD 232, antenna 234, etc.) may send configuration information associated with monitoring link quality on a non-serving cell for a UE. In some aspects, the configuration information includes at least one of information indicating reference signal resources associated with the non-serving cell, or information indicating uplink resources associated with the non-serving cell.

[0186] like Figure 5 As further shown in FIG. 5 , in some aspects, process 500 may include receiving, based at least in part on the monitoring, using uplink resources a channel quality indicator associated with a non-serving cell (block 520). For example, as described above, a base station (e.g., using antenna 234, DEMOD 232, MIMO detector 236, receive processor 238, controller / processor 240, etc.) may receive, based at least in part on the monitoring, using uplink resources a channel quality indicator associated with a non-serving cell.

[0187] Process 500 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in combination with one or more other processes described elsewhere herein.

[0188] In a first aspect, the monitoring is associated with a beam failure detection or beam failure recovery operation.

[0189] In a second aspect, either alone or in combination with the first aspect, the monitoring is associated with a radio link monitoring operation.

[0190] In a third aspect, alone or in combination with one or more of the first and second aspects, the non-serving cell includes at least one of a neighboring cell or a candidate cell of the UE.

[0191] In a fourth aspect, alone or in combination with one or more of the first to third aspects, the information indicating the reference signal resource indicates a physical cell identifier of the non-serving cell.

[0192] In the fifth aspect, alone or in combination with one or more of the first to fourth aspects, the reference signal resource is associated with at least one of a synchronization signal block or a channel state information reference signal used for cell quality monitoring or beam quality monitoring of the non-service cell.

[0193] In the sixth aspect, alone or in combination with one or more of the first to fifth aspects, the uplink resources include at least one of a physical uplink control channel or a random access channel resource configured in an uplink of a cell provided by the base station.

[0194] In a seventh aspect, alone or in combination with one or more of the first to sixth aspects, the channel quality indicator indicates a failure of the non-serving cell detected by the UE.

[0195] In an eighth aspect, such as in combination with the seventh aspect, process 500 includes removing the non-serving cell from a candidate cell set of the UE based at least in part on the failure and at least in part on the UE identifying that there is no selected beam on the non-serving cell.

[0196] In a ninth aspect, alone or in combination with one or more of aspects one to eight, process 500 comprises sending an uplink resource allocation based at least in part on the channel quality indicator indicating a failure of the non-serving cell detected by the UE; and receiving information associated with the channel quality indicator using the resource allocation.

[0197] In a tenth aspect, such as in combination with the ninth aspect, the information associated with the channel quality indicator comprises a cell identifier or a physical cell identifier associated with the non-serving cell.

[0198] In an eleventh aspect, such as in combination with the tenth aspect, the information associated with the channel quality indicator indicates a selected cell or a selected beam on the non-serving cell having a quality value that satisfies a threshold.

[0199] In a twelfth aspect, such as in combination with the eleventh aspect, process 500 includes sending information configuring the UE to perform a monitoring operation on the selected beam on the non-serving cell.

[0200] In a thirteenth aspect, such as in combination with the eleventh aspect, process 500 includes adding the selected cell to a candidate cell set of the UE.

[0201] Although Figure 5 Example blocks of process 500 are shown, but in some aspects process 500 may include additional blocks, fewer blocks, different blocks, or different Figure 5 Additionally or alternatively, two or more of the blocks of process 500 may be executed in parallel.

[0202] Figure 6 6 is a diagram 600 illustrating the flow of data between different components in an example apparatus 602. Apparatus 602 can be a UE (e.g., UE 120). In some aspects, apparatus 602 includes a receiving component 604, a monitoring component 606, a detecting component 608, a removing component 610, an adding component 612, and / or a transmitting / providing component 614.

[0203] Receiving component 604 can be implemented using antenna 252, DEMOD 254, MIMO detector 256, receiving processor 258, controller / processor 280, etc. Receiving component 604 can receive configuration information associated with monitoring link quality on a non-serving cell of apparatus 602 (e.g., from apparatus 650). Receiving component 604 can receive a reference signal (e.g., from apparatus 650). Receiving component 604 can receive an uplink resource allocation (e.g., from apparatus 650) based at least in part on a channel quality indicator indicating a failure associated with the non-serving cell.

[0204] Monitoring component 606 can be implemented using antenna 252, DEMOD 254, MIMO detector 256, receive processor 258, controller / processor 280, etc. Monitoring component 606 can monitor a reference signal of a non-serving cell based at least in part on the configuration information.

[0205] Detection component 608 can be implemented using antenna 252, DEMOD 254, MIMO detector 256, receive processor 258, controller / processor 280, etc. Detection component 608 can detect a failure on a non-serving cell based at least in part on detecting that a measurement of a set of reference signals including a reference signal fails to satisfy a threshold, wherein a channel quality indicator indicates a failure.

[0206] Removal component 610 can be implemented using antenna 252, DEMOD 254, MIMO detector 256, receive processor 258, controller / processor 280, etc. Removal component 610 can remove the non-serving cell from the candidate cell set of the UE based at least in part on detecting a failure and at least in part on identifying that there is no selected beam on the non-serving cell.

[0207] The adding component 612 can be implemented using the antenna 252, the DEMOD 254, the MIMO detector 256, the receive processor 258, the controller / processor 280, etc. The adding component 612 can add the selected cell to the candidate cell set of the UE.

[0208] Transmitting / providing component 614 can be implemented using controller / processor 280, transmit processor 264, TX MIMO processor 266, MOD 254, antenna 252, etc. Transmitting / providing component 614 can transmit a channel quality indicator associated with a non-serving cell to a serving cell using uplink resources based at least in part on the monitoring. Transmitting / providing component 614 can use the resource allocation to provide information associated with the channel quality indicator or a fault associated with the non-serving cell.

[0209] The apparatus may include executing Figure 4 The above process 400 and the like are additional components of each block of the algorithm. Figure 4 Each block in the above process 400, etc. can be performed by a component, and the device may include one or more of these components. The component may be one or more hardware components that are specifically configured to perform the process / algorithm, implemented by a processor configured to perform the process / algorithm, stored in a computer-readable medium to be implemented by a processor, or some combination thereof.

[0210] Figure 6 The number and arrangement of components shown in the figure are provided as an example. In practice, there may be additional components, fewer components, different components, or different components. Figure 6 The components shown are arranged differently. Figure 6 Two or more components shown in the figure may be implemented in a single component, or Figure 6The single component shown in can be implemented as multiple distributed components. Additionally or alternatively, Figure 6 The component collection (e.g., one or more components) shown in Figure 6 Another set of components shown in FIG. 1 performs one or more functions.

[0211] Figure 7 7 is a diagram 700 illustrating the flow of data between various components in an example apparatus 702. Apparatus 702 may be a base station (eg, base station 110). In some aspects, apparatus 702 includes a receiving component 704, a removing component 706, an adding component 708, and / or a transmitting component 710.

[0212] Receiving component 704 can be implemented using antenna 234, DEMOD 232, MIMO detector 236, receiving processor 238, controller / processor 240, etc. Receiving component 704 can receive a channel quality indicator associated with a non-serving cell using uplink resources based at least in part on the monitoring (e.g., from device 750). Receiving component 704 can receive information associated with the channel quality indicator using uplink resource allocations (e.g., from device 750).

[0213] Removal component 706 may be implemented using controller / processor 240, transmit processor 220, TX MIMO processor 230, MOD 232, antenna 234, etc. Removal component 706 may remove the non-serving cell from a candidate cell set of a UE (e.g., apparatus 750) based at least in part on a failure and at least in part on the UE identifying that there is no selected beam on the non-serving cell.

[0214] The adding component 708 may be implemented using the controller / processor 240, the transmit processor 220, the TX MIMO processor 230, the MOD 232, the antenna 234, etc. The adding component 708 may add the selected cell to the candidate cell set of the UE. In some aspects, the removing component 706 and the adding component 708 may be the same component. In some aspects, the removing component 706 and the adding component 708 may be different components.

[0215] Transmission component 710 may be implemented using controller / processor 240, transmit processor 220, TX MIMO processor 230, MOD 232, antenna 234, etc. Transmission component 710 may transmit configuration information associated with monitoring link quality on a non-serving cell of a UE (e.g., apparatus 750). Transmission component 710 may transmit an uplink resource allocation based at least in part on a channel quality indicator indicating a failure of a non-serving cell detected by the UE.

[0216] The apparatus may include executing Figure 5 The above process 500 and the like are additional components of each block of the algorithm. Figure 5 Each block in the above process 500, etc. can be performed by a component, and the device may include one or more of these components. These components may be one or more hardware components, which are specifically configured to perform the process / algorithm, implemented by a processor configured to perform the process / algorithm, stored in a computer-readable medium to be implemented by a processor, or some combination thereof.

[0217] Figure 7 The number and arrangement of components shown in the figure are provided as an example. In practice, there may be additional components, fewer components, different components, or different components. Figure 7 The components shown in the figure are arranged differently. Figure 7 Two or more components shown in may be implemented in a single component, or Figure 7 The single component shown in can be implemented as multiple distributed components. Additionally or alternatively, Figure 7 The component collection (e.g., one or more components) shown in Figure 7 One or more functions performed by another set of components shown in the figure.

[0218] The following provides an overview of aspects of the present disclosure:

[0219] Aspect 1: A wireless communication method performed by a user equipment (UE), comprising: receiving configuration information associated with monitoring link quality on a non-service cell of the UE, wherein the configuration information includes at least one of the following: information indicating a reference signal resource associated with the non-service cell, or information indicating an uplink resource associated with the non-service cell; monitoring a reference signal of the non-service cell based at least in part on the configuration information; and using the uplink resource to send a channel quality indicator associated with the non-service cell to a serving cell based at least in part on the monitoring.

[0220] Aspect 2: The method according to aspect 1, wherein the monitoring is associated with beam failure detection or beam failure recovery operations.

[0221] Aspect 3: The method according to any one of aspects 1-2, wherein the monitoring is associated with a radio link monitoring operation.

[0222] Aspect 4: The method according to any one of aspects 1-3, wherein the non-serving cell includes at least one of a neighboring cell or a candidate cell of the UE.

[0223] Aspect 5: The method according to any one of aspects 1-4, wherein the information indicating the reference signal resource indicates a physical cell identifier of the non-serving cell.

[0224] Aspect 6: A method according to any one of Aspects 1-5, wherein the reference signal comprises at least one of a synchronization signal block or a channel state information reference signal for cell quality monitoring or beam quality monitoring of the non-serving cell.

[0225] Aspect 7: The method according to any one of aspects 1 to 6, wherein the uplink resource comprises at least one of a physical uplink control channel or a random access channel (RACH) resource configured in an uplink of a cell.

[0226] Aspect 8: The method according to any one of Aspects 1-7 also includes: detecting a failure on the non-serving cell based at least in part on detecting that all monitored reference signals associated with the non-serving cell fail to meet a threshold, wherein the channel quality indicator indicates the failure.

[0227] Aspect 9: The method according to aspect 8 also includes: removing the non-serving cell from the candidate cell set of the UE based at least in part on detecting the failure and at least in part on identifying that there is no selected beam on the non-serving cell.

[0228] Aspect 10: The method according to any one of Aspects 1-9 further includes: receiving an uplink resource allocation based at least in part on the channel quality indicator indicating a fault associated with the non-service cell; and using the resource allocation to provide information associated with the channel quality indicator or the fault associated with the non-service cell.

[0229] Aspect 11: The method according to aspect 10, wherein the information associated with the channel quality indicator includes a cell identifier or a physical cell identifier associated with the non-serving cell.

[0230] Aspect 12: The method according to aspect 10, wherein the information associated with the channel quality indicator indicates a selected cell or a selected beam on the non-serving cell having a quality value that satisfies a threshold.

[0231] Aspect 13: The method according to Aspect 12 further includes: receiving information for configuring the UE to perform a monitoring operation on the selected beam on the non-serving cell.

[0232] Aspect 14: The method according to aspect 12 further includes: adding the selected cell to a candidate cell set of the UE.

[0233] Aspect 15: A method of wireless communication performed by a base station, comprising: sending configuration information associated with monitoring link quality on a non-service cell of a user equipment (UE), wherein the configuration information includes at least one of the following: information indicating a reference signal resource associated with the non-service cell, or information indicating an uplink resource associated with the non-service cell; and receiving a channel quality indicator associated with the non-service cell using the uplink resource based at least in part on the monitoring.

[0234] Aspect 16: The method according to aspect 15, wherein the monitoring is associated with beam failure detection or beam failure recovery operation.

[0235] Aspect 17: The method according to any one of aspects 15-16, wherein the monitoring is associated with a radio link monitoring operation.

[0236] Aspect 18: The method according to any one of aspects 15-17, wherein the non-serving cell comprises at least one of a neighboring cell or a candidate cell of the UE.

[0237] Aspect 19: The method according to any one of aspects 15-18, wherein the information indicating the reference signal resource indicates a physical cell identifier of the non-serving cell.

[0238] Aspect 20: A method according to any one of Aspects 15-19, wherein the reference signal resource is associated with at least one of a synchronization signal block or a channel state information reference signal used for cell quality monitoring or beam quality monitoring of the non-serving cell.

[0239] Aspect 21: A method according to any one of aspects 15-20, wherein the uplink resources include at least one of a physical uplink control channel or a random access channel (RACH) resource configured in an uplink of a cell provided by the base station.

[0240] Aspect 22: The method according to any one of aspects 15-21, wherein the channel quality indicator indicates a failure of the non-serving cell detected by the UE.

[0241] Aspect 23: The method according to aspect 22 also includes: removing the non-serving cell from the candidate cell set of the UE based at least in part on the failure and at least in part on the UE identifying that there is no selected beam on the non-serving cell.

[0242] Aspect 24: The method according to any one of Aspects 15-23 also includes: sending an uplink resource allocation based at least in part on the channel quality indicator indicating a failure of the non-serving cell detected by the UE; and receiving information associated with the channel quality indicator using the resource allocation.

[0243] Aspect 25: The method according to aspect 24, wherein the information associated with the channel quality indicator includes a cell identifier or a physical cell identifier associated with the non-serving cell.

[0244] Aspect 26: The method according to aspect 24, wherein the information associated with the channel quality indicator indicates a selected cell or a selected beam on the non-serving cell having a quality value that satisfies a threshold.

[0245] Aspect 27: The method according to Aspect 26 further includes: sending information to configure the UE to perform a monitoring operation on the selected beam on the non-serving cell.

[0246] Aspect 28: The method according to aspect 26 further includes: adding the selected cell to a candidate cell set of the UE.

[0247] Aspect 29: An apparatus of a device for wireless communication, comprising a memory and one or more processors coupled to the memory, wherein the memory and the one or more processors are configured to execute the method described in one or more of Aspects 1-28.

[0248] Aspect 30: An apparatus for wireless communication, comprising at least one component for performing the method of one or more of aspects 1-28.

[0249] Aspect 31: A non-transitory computer-readable medium storing an instruction set for wireless communication, the instruction set comprising one or more instructions, which, when executed by one or more processors of a device, cause the device to perform the method described in one or more of aspects 1-28.

[0250] The foregoing disclosure provides illustration and description, but is not intended to be exhaustive or to limit the aspects to the precise forms disclosed. Modifications and variations are possible in light of the above disclosure or may be acquired from practice of these aspects.

[0251] As used herein, the term "component" is intended to be broadly interpreted as hardware, firmware, and / or a combination of hardware and software. As used herein, a processor is implemented in hardware, firmware, and / or a combination of hardware and software.

[0252] As used herein, satisfying a threshold may refer to a value being greater than a threshold, greater than or equal to a threshold, less than a threshold, less than or equal to a threshold, equal to a threshold, not equal to a threshold, etc., depending on the context.

[0253] Obviously, the systems and / or methods described herein can be implemented as different forms of hardware, firmware, and / or combinations of hardware and software. The actual dedicated control hardware and / or software code used to implement these systems or methods is not limited in these respects. Therefore, the operation and behavior of the systems and / or methods are described herein without reference to specific software code - it should be understood that software and hardware can be designed to implement the systems and / or methods based at least in part on the description herein.

[0254] Although specific combinations of features are described in the claims and / or disclosed in the specification, these combinations are not intended to limit the disclosure of various aspects. In fact, many of these features can be combined in a manner that is not specifically described in the claims and / or disclosed in the specification. Although each dependent claim listed below can directly depend on only one claim, the disclosure of various aspects includes each dependent claim combined with each other claim in the claim set. The phrase "at least one" referring to the list of items refers to any combination of these items, including single members. As an example, "at least one of a, b or c" is intended to cover a, b, c, ab, ac, bc and abc, and any combination of multiples of the same elements (e.g., aa, aaa, aab, aac, abb, acc, bb, bbb, bbc, cc and ccc or any other ordering of a, b and c).

[0255] Unless explicitly described in this way, any element, action or instruction used herein should not be interpreted as critical or necessary. Moreover, as used herein, the articles "a" and "an" are intended to include one or more projects, and can be used interchangeably with "one or more". In addition, as used herein, the terms "set" and "group" are intended to include one or more projects (e.g., related projects, unrelated projects, combinations of related projects and unrelated projects, etc.), and can be used interchangeably with "one or more". In the case of intending only one project, the phrase "only one" or similar language is used. Moreover, as used herein, the terms "has", "have", "having" etc. are intended to be open terms. In addition, unless otherwise expressly stated, the phrase "based on" is intended to represent "based at least in part on".

Claims

1. A method of wireless communication performed by a user equipment UE, comprising: receiving configuration information associated with monitoring a link quality on a non-serving cell of the UE, wherein the configuration information comprises at least one of the following: information indicating a reference signal resource associated with the non-serving cell, or information indicating uplink resources associated with the non-serving cell; associated with beam failure detection of the non-serving cell, monitoring a reference signal of the non-serving cell based at least in part on the configuration information; as well as A channel quality indicator associated with the non-serving cell is sent to a serving cell using the uplink resources based at least in part on the monitoring.

2. The method according to claim 1, wherein: The monitoring is also associated with beam failure recovery operations.

3. The method according to claim 1, wherein: The monitoring is also associated with a radio link monitoring operation.

4. The method according to claim 1, wherein: The non-serving cell includes at least one of a neighboring cell or a candidate cell of the UE.

5. The method according to claim 1, wherein: The information indicating the reference signal resource indicates a physical cell identifier of the non-serving cell.

6. The method according to claim 1, wherein: The reference signal includes at least one of a synchronization signal block or a channel state information reference signal for cell quality monitoring or beam quality monitoring of the non-serving cell.

7. The method according to claim 1, wherein: The uplink resource includes at least one of a physical uplink control channel or a random access channel RACH resource configured in the uplink of the cell.

8. The method according to claim 1, further comprising: A failure on the non-serving cell is detected based at least in part on detecting that all monitored reference signals associated with the non-serving cell fail to satisfy a threshold, wherein the channel quality indicator indicates the failure.

9. The method according to claim 8, further comprising: The non-serving cell is removed from a set of candidate cells for the UE based at least in part on detecting the failure and at least in part on identifying that there is no selected beam on the non-serving cell.

10. The method according to claim 1, further comprising: receiving an uplink resource allocation based at least in part on the channel quality indicator indicating a failure associated with the non-serving cell; as well as Information associated with the channel quality indicator or the failure associated with the non-serving cell is provided using the uplink resource allocation.

11. The method according to claim 10, wherein: The information associated with the channel quality indicator includes a cell identifier or a physical cell identifier associated with the non-serving cell.

12. The method according to claim 10, wherein: The information associated with the channel quality indicator indicates a selected cell or a selected beam on the non-serving cell having a quality value that satisfies a threshold.

13. The method according to claim 12, further comprising: Receive information to configure the UE to perform monitoring operations on the selected beam on the non-serving cell.

14. The method according to claim 12, further comprising: The selected cell is added to a candidate cell set of the UE.

15. A method of wireless communication performed by a base station, comprising: Sending configuration information associated with monitoring a link quality on a non-serving cell of a user equipment UE, the monitoring being associated with beam failure detection of the non-serving cell, wherein the configuration information comprises at least one of the following: information indicating a reference signal resource associated with the non-serving cell, or information indicating uplink resources associated with the non-serving cell; as well as The uplink resources are used to receive a channel quality indicator associated with the non-serving cell based at least in part on the monitoring.

16. The method according to claim 15, wherein: The monitoring is also associated with beam failure recovery operations.

17. The method according to claim 15, wherein: The monitoring is also associated with a radio link monitoring operation.

18. The method according to claim 15, wherein: The non-serving cell includes at least one of a neighboring cell or a candidate cell of the UE.

19. The method according to claim 15, wherein: The information indicating the reference signal resource indicates a physical cell identifier of the non-serving cell.

20. The method according to claim 15, wherein: The reference signal resource is associated with at least one of a synchronization signal block or a channel state information reference signal used for cell quality monitoring or beam quality monitoring of the non-serving cell.

21. The method according to claim 15, wherein: The uplink resource includes at least one of a physical uplink control channel or a random access channel RACH resource configured in the uplink of the cell provided by the base station.

22. The method according to claim 15, wherein: The channel quality indicator indicates a failure of the non-serving cell detected by the UE.

23. The method according to claim 22, further comprising: The non-serving cell is removed from a set of candidate cells for the UE based at least in part on the failure and at least in part on the UE identifying that there is no selected beam on the non-serving cell.

24. The method of claim 15, further comprising: sending an uplink resource allocation based at least in part on the channel quality indicator indicating a failure of the non-serving cell detected by the UE; as well as Information associated with the channel quality indicator is received using the resource allocation.

25. The method according to claim 24, wherein: The information associated with the channel quality indicator includes a cell identifier or a physical cell identifier associated with the non-serving cell.

26. The method according to claim 24, wherein: The information associated with the channel quality indicator indicates a selected cell or a selected beam on the non-serving cell having a quality value that satisfies a threshold.

27. The method according to claim 26, further comprising: Send information to configure the UE to perform monitoring operations on the selected beam on the non-serving cell.

28. The method of claim 26, further comprising: The selected cell is added to a candidate cell set of the UE.

29. A user equipment UE for wireless communication, comprising: Memory; as well as One or more processors coupled to the memory, the one or more processors configured to cause the UE to: receiving configuration information associated with monitoring a link quality on a non-serving cell of the UE, wherein the configuration information comprises at least one of the following: information indicating a reference signal resource associated with the non-serving cell, or information indicating uplink resources associated with the non-serving cell; associated with beam failure detection of the non-serving cell, monitoring a reference signal of the non-serving cell based at least in part on the configuration information; as well as A channel quality indicator associated with the non-serving cell is sent to a serving cell using the uplink resources based at least in part on the monitoring.

30. The UE according to claim 29, wherein: The monitoring is also associated with beam failure recovery operations.

31. The UE according to claim 29, wherein: The monitoring is also associated with a radio link monitoring operation.

32. The UE according to claim 29, wherein: The non-serving cell includes at least one of a neighboring cell or a candidate cell of the UE.

33. The UE according to claim 29, wherein: The information indicating the reference signal resource indicates a physical cell identifier of the non-serving cell.

34. The UE according to claim 29, wherein: The reference signal includes at least one of a synchronization signal block or a channel state information reference signal for cell quality monitoring or beam quality monitoring of the non-serving cell.

35. The UE according to claim 29, wherein: The uplink resource includes at least one of a physical uplink control channel or a random access channel RACH resource configured in the uplink of the cell.

36. The UE according to claim 29, wherein: The one or more processors are further configured to cause the UE to: A failure on the non-serving cell is detected based at least in part on detecting that all monitored reference signals associated with the non-serving cell fail to satisfy a threshold, wherein the channel quality indicator indicates the failure.

37. The UE according to claim 36, wherein: The one or more processors are further configured to cause the UE to: The non-serving cell is removed from a set of candidate cells for the UE based at least in part on detecting the failure and at least in part on identifying that there is no selected beam on the non-serving cell.

38. The UE according to claim 29, wherein: The one or more processors are further configured to cause the UE to: receiving an uplink resource allocation based at least in part on the channel quality indicator indicating a failure associated with the non-serving cell; and Information associated with the channel quality indicator or the failure associated with the non-serving cell is provided using the uplink resource allocation.

39. The UE according to claim 38, wherein: The information associated with the channel quality indicator includes a cell identifier or a physical cell identifier associated with the non-serving cell.

40. The UE according to claim 38, wherein: The information associated with the channel quality indicator indicates a selected cell or a selected beam on the non-serving cell having a quality value that satisfies a threshold.

41. The UE according to claim 40, wherein: The one or more processors are further configured to cause the UE to: Receive information to configure the UE to perform monitoring operations on the selected beam on the non-serving cell.

42. The UE according to claim 40, wherein: The one or more processors are further configured to cause the UE to: The selected cell is added to a candidate cell set of the UE.

43. A base station for wireless communication, comprising: Memory; as well as One or more processors coupled to the memory, the one or more processors configured to cause the base station to: Sending configuration information associated with monitoring a link quality on a non-serving cell of a user equipment UE, the monitoring being associated with beam failure detection of the non-serving cell, wherein the configuration information comprises at least one of the following: information indicating a reference signal resource associated with the non-serving cell, or information indicating uplink resources associated with the non-serving cell; as well as The uplink resources are used to receive a channel quality indicator associated with the non-serving cell based at least in part on the monitoring.

44. The base station according to claim 43, wherein: The monitoring is also associated with beam failure recovery operations.

45. The base station according to claim 43, wherein: The monitoring is also associated with a radio link monitoring operation.

46. ​​The base station according to claim 43, wherein: The non-serving cell includes at least one of a neighboring cell or a candidate cell of the UE.

47. The base station according to claim 43, wherein: The information indicating the reference signal resource indicates a physical cell identifier of the non-serving cell.

48. The base station according to claim 43, wherein: The reference signal resource is associated with at least one of a synchronization signal block or a channel state information reference signal used for cell quality monitoring or beam quality monitoring of the non-serving cell.

49. The base station according to claim 43, wherein: The uplink resource includes at least one of a physical uplink control channel or a random access channel RACH resource configured in the uplink of the cell provided by the base station.

50. The base station according to claim 43, wherein: The channel quality indicator indicates a failure of the non-serving cell detected by the UE.

51. The base station according to claim 50, wherein: The one or more processors are further configured to cause the base station to: The non-serving cell is removed from a set of candidate cells for the UE based at least in part on the failure and at least in part on the UE identifying that there is no selected beam on the non-serving cell.

52. The base station according to claim 43, wherein: The one or more processors are further configured to cause the base station to: sending an uplink resource allocation based at least in part on the channel quality indicator indicating a failure of the non-serving cell detected by the UE; and Information associated with the channel quality indicator is received using the resource allocation.

53. The base station according to claim 52, wherein: The information associated with the channel quality indicator includes a cell identifier or a physical cell identifier associated with the non-serving cell.

54. The base station according to claim 52, wherein: The information associated with the channel quality indicator indicates a selected cell or a selected beam on the non-serving cell having a quality value that satisfies a threshold.

55. The base station according to claim 54, wherein: The one or more processors are further configured to cause the base station to: Send information to configure the UE to perform monitoring operations on the selected beam on the non-serving cell.

56. The base station according to claim 54, wherein: The one or more processors are further configured to cause the base station to: The selected cell is added to a candidate cell set of the UE.

Images