Apparatus, user equipment, and network entity for wireless communication

Abstract

Apparatuses, user equipment, and network entities for wireless communication are provided. In one aspect, an apparatus for wireless communication at a user equipment (UE), comprising: one or more memories; and one or more processors coupled to the one or more memories and configured to cause the UE to: receive, from a network entity, information indicating a switch from a first reference signal to a second reference signal, the first reference signal comprising a synchronization signal block and used for radio link monitoring (RLM) of a link with the network entity, the second reference signal comprising a channel state information reference signal and used for RLM of the link with the network entity; and monitor for the second reference signal based at least in part on the information indicating the switch from the first reference signal to the second reference signal.

Description

[0001] This application is a divisional application of the invention patent application filed on March 2, 2021, with application number 202180017562.5 and invention title "Switching Reference Signals for Beam or Link Failure Detection". Cross-reference to related applications

[0002] This patent application claims priority to U.S. Provisional Patent Application No. 62 / 985,831, filed March 5, 2020, entitled “SWITCHING REFERENCE SIGNALSFOR BEAM OR LINK FAILURE DETECTION”, and U.S. Non-Provisional Patent Application No. 17 / 189,099, filed March 1, 2021, entitled “SWITCHING REFERENCE SIGNALS FOR BEAM OR LINK FAILURE DETECTION”, which are hereby expressly incorporated herein by reference. Technical Field

[0003] Various aspects of this disclosure generally relate to wireless communication, and specifically to techniques and apparatus for switching reference signals. Background Technology

[0004] Wireless communication systems are widely deployed to provide a variety of telecommunications services, such as telephone, video, data, messaging, and broadcasting. Typical wireless communication systems employ multiple access technologies that can support communication with multiple users by sharing available system resources (e.g., bandwidth, transmit power). 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 collection of enhancements to the Universal Mobile Telecommunications System (UMTS) mobile standard issued by the 3rd Generation Partnership Project (3GPP).

[0005] A wireless communication network may include several base stations (BSs) capable of supporting communication for several user equipments (UEs). UEs may communicate with the BS via downlinks and uplinks. A "downlink" or "forward link" refers to the communication link from the BS to the UE, while an "uplink" or "backlink" refers to the communication link from the UE to the BS. As will be described in more detail herein, a BS may be referred to as a Node B, gNB, Access Point (AP), Radio Head, Transmit / Receive Point (TRP), New Radio (NR) BS, 5G Node B, etc.

[0006] The aforementioned multiple access technologies have been adopted in various telecommunications standards to provide a universal protocol enabling different user equipment to communicate at the city, country, region, and even global levels. NR, also known as 5G, is a collection of enhancements to the LTE mobile standard issued by 3GPP. NR is designed to better support mobile broadband internet access by using Orthogonal Frequency Division Multiplexing (OFDM) with a Cyclic Prefix (CP) (CP-OFDM) on the downlink (DL) and CP-OFDM and / or SC-FDM (e.g., also known as Discrete Fourier Transform Spread Spectrum OFDM (DFT-s-OFDM)) on the uplink (UL), and supporting beamforming, multiple-input multiple-output (MIMO) antenna technology and carrier aggregation, thereby improving spectral efficiency, reducing costs, improving service, utilizing new spectrum, and better integrating with other open standards. However, with the increasing demand for mobile broadband access, further improvements to LTE and NR technologies are needed. Preferably, these improvements should be applicable to other multiple access technologies and telecommunications standards that employ these technologies. Summary of the Invention

[0007] In some aspects, a wireless communication method performed by a user equipment (UE) may include sending a request to a base station regarding a switch by the base station from configuring the UE using a first reference signal to configuring the UE using a second reference signal. The method may include receiving from the base station a configuration for switching from monitoring the first reference signal to monitoring the second reference signal. The method may also include monitoring the second reference signal at least in part based on receiving the configuration.

[0008] In some aspects, a wireless communication method performed by a base station may include receiving a request from a UE regarding a switch from configuring the UE using a first reference signal to configuring the UE using a second reference signal. The method may include sending configuration for switching from monitoring the first reference signal to monitoring the second reference signal.

[0009] In some aspects, a UE for wireless communication may include a memory and one or more processors coupled to the memory. The memory and the processors may be configured to send a request to a base station regarding a switch from configuring the UE using a first reference signal to configuring the UE using a second reference signal. The memory and the processors may be configured to receive from the base station a configuration for switching from monitoring the first reference signal to monitoring the second reference signal. The memory and the processors may be configured to monitor the second reference signal at least in part based on receiving the configuration.

[0010] In some aspects, a base station for wireless communication may include a memory and one or more processors coupled to the memory, the memory and the processors being configured to receive from a UE a request regarding a switch from configuring the UE using a first reference signal to configuring the UE using a second reference signal. The memory and the processors may also be configured to transmit configuration for switching from monitoring the first reference signal to monitoring the second reference signal.

[0011] In some aspects, a non-transitory computer-readable medium may store one or more instructions for wireless communication. When executed by one or more processors of the UE, the one or more instructions cause the UE to send a request to a base station regarding a switch by the base station from configuring the UE using a first reference signal to configuring the UE using a second reference signal. When executed by one or more processors of the UE, the one or more instructions cause the UE to receive from the base station a configuration for switching from monitoring the first reference signal to monitoring the second reference signal, and to monitor the second reference signal at least in part based on receiving the configuration.

[0012] In some aspects, a non-transitory computer-readable medium may store one or more instructions for wireless communication. When executed by one or more processors of a base station, the one or more instructions cause the base station to receive from the UE a request to switch from configuring the UE using a first reference signal to configuring the UE using a second reference signal, and to send configuration for switching from monitoring the first reference signal to monitoring the second reference signal.

[0013] In some aspects, an apparatus for wireless communication may include components for sending a request to a base station regarding a switch from configuring the apparatus using a first reference signal to configuring the apparatus using a second reference signal. The apparatus may include components for receiving from the base station a configuration for switching from monitoring the first reference signal to monitoring the second reference signal. The apparatus may include components for monitoring the second reference signal at least in part based on the received configuration.

[0014] In some aspects, an apparatus for wireless communication may include components for receiving from a UE a request from a base station to switch from configuring the UE using a first reference signal to configuring the UE using a second reference signal. The apparatus may also include components for transmitting configuration for switching from monitoring the first reference signal to monitoring the second reference signal.

[0015] In some aspects, a wireless communication method performed by a UE may include determining a switch from monitoring a first reference signal to monitoring a second reference signal. The method may include monitoring the second reference signal based at least in part on determining the switch.

[0016] In some aspects, a wireless communication method performed by a base station may include determining a switch from configuring a UE using a first reference signal to configuring the UE using a second reference signal. The method may include sending a message instructing the UE to switch from monitoring the first reference signal to monitoring the second reference signal.

[0017] In some aspects, a UE for wireless communication may include a memory and one or more processors coupled to the memory. The memory and the one or more processors may be configured to determine a switch from monitoring a first reference signal to monitoring a second reference signal, and to monitor the second reference signal at least in part based on the determination to switch.

[0018] In some aspects, a base station for wireless communication may include a memory and one or more processors coupled to the memory. The memory and the one or more processors may be configured to determine a switch from configuring the UE using a first reference signal to configuring the UE using a second reference signal, and to send a message instructing the UE to switch from monitoring the first reference signal to monitoring the second reference signal.

[0019] In some aspects, a non-transitory computer-readable medium may store one or more instructions for wireless communication. When executed by one or more processors of the UE, the one or more instructions may cause the one or more processors to determine a switch from monitoring a first reference signal to monitoring a second reference signal; and to monitor the second reference signal at least in part based on the determination to switch.

[0020] In some aspects, a non-transitory computer-readable medium may store one or more instructions for wireless communication. When executed by one or more processors of a base station, the one or more instructions may cause the one or more processors to determine a switch from configuring the UE using a first reference signal to configuring the UE using a second reference signal, and to send a message instructing the UE to switch from monitoring the first reference signal to monitoring the second reference signal.

[0021] In some aspects, an apparatus for wireless communication may include components for determining a switch from monitoring a first reference signal to monitoring a second reference signal, and components for monitoring the second reference signal at least in part based on the determination to switch.

[0022] In some aspects, an apparatus for wireless communication may include components for determining a switch from configuring a UE using a first reference signal to configuring a UE using a second reference signal, and components for sending a message instructing the UE to switch from monitoring the first reference signal to monitoring the second reference signal.

[0023] The aspects generally include methods, apparatus, systems, computer program products, non-transitory computer-readable media, user equipment, base stations, wireless communication equipment and / or processing systems, as basically described with reference to the accompanying drawings and specifications.

[0024] The features and technical advantages of the examples according to this disclosure have been summarized quite extensively above to better understand the detailed embodiments described below. Additional features and advantages will be described below. The disclosed concepts and specific examples can be readily used as the basis for modifications or designs of other structures to achieve the same purpose as this disclosure. Such equivalent constructions do not depart from the scope of the appended claims. The features of the concepts disclosed herein, their organization and operation, and the associated advantages will be better understood from the following description when considered in conjunction with the accompanying drawings. Each of the drawings is provided for illustrative and descriptive purposes and not as a definition of limitation of the claims. Attached Figure Description

[0025] To gain a more detailed understanding of the features described above, reference can be made to various aspects (briefly outlined above), some of which are illustrated in the accompanying drawings. However, it should be noted that the drawings illustrate only certain typical aspects of the disclosure and should not be considered as limiting the scope of the disclosure, as this description may acknowledge other equally valid aspects. Identical reference numerals in different drawings may identify the same or similar elements.

[0026] Figure 1 This is a diagram illustrating an example of a wireless communication network according to this disclosure.

[0027] Figure 2 This is a diagram illustrating an example of communication between a base station and a UE in a wireless communication network according to this disclosure.

[0028] Figure 3 This is a diagram illustrating an example of a reference signal used for beam or link failure detection according to this disclosure.

[0029] Figure 4 This is a diagram illustrating an example process performed by a UE according to this disclosure.

[0030] Figure 5 This is a diagram illustrating an example process performed by a base station, for example, according to this disclosure.

[0031] Figure 6 This is a diagram illustrating an example process performed by a UE according to this disclosure.

[0032] Figure 7 This is a diagram illustrating an example process performed by a base station according to this disclosure.

[0033] Figure 8This is a block diagram of an example device for wireless communication according to the present disclosure.

[0034] Figure 9 This is a diagram illustrating an example of a hardware implementation of a device employing a processing system according to the present disclosure.

[0035] Figure 10 This is a diagram illustrating an example of the code and circuitry implementation of a device according to this disclosure.

[0036] Figure 11 This is a block diagram of an example device for wireless communication according to the present disclosure.

[0037] Figure 12 This is a diagram illustrating an example of a hardware implementation of a device employing a processing system according to the present disclosure.

[0038] Figure 13 This is a diagram illustrating an example of the code and circuitry implementation of a device according to this disclosure.

[0039] Figure 14 This is a diagram illustrating an example of a reference signal used for beam or link failure detection according to this disclosure.

[0040] Figure 15 This is a diagram illustrating an example of a reference signal used for beam or link failure detection according to this disclosure. Detailed Implementation

[0041] User equipment (UE) can rely on the broadcast of a synchronization signal block (SSB) as a reference signal (RS) for radio link monitoring (RLM). If the signal strength of the SSB (e.g., beamforming gain) is sufficient, the UE can determine that it still has a link to the serving cell. However, the UE may move out of the cell's coverage area, and the link may fail because the SSB is broadcast in a wide beam and may have limited gain.

[0042] Based on the various aspects described herein, the UE can determine whether to switch from monitoring wide SSB broadcast to monitoring Channel State Information (CSI-RS), which is transmitted in a more concentrated beam and can have higher beamforming gain. For example, the UE can send a request to the base station to switch from configuring the UE to monitor wide SSB broadcast to monitoring CSI-RS. The UE can receive a configuration instructing the UE to switch from monitoring wide SSB broadcast to monitoring CSI-RS. The UE can monitor and is more likely to receive CSI-RS because CSI-RS has higher gain or greater radiated power in the UE's direction. As a result, the UE can maintain the link for a longer time and / or over a greater distance compared to the UE monitoring wide SSB broadcast. The UE can save time, processing resources, and signaling resources that would otherwise be consumed by rebuilding a broken link. Although link failures are discussed in the context of RLM, various aspects of this disclosure can also be applied to beam failure detection (BFD) or other types of detection.

[0043] The various aspects of this disclosure are described in more detail below with reference to the accompanying drawings. However, this disclosure may be implemented in many different forms and should not be construed as limited to any particular structure or function presented throughout this disclosure. Rather, these aspects are provided to make this disclosure thorough and complete, and to fully convey the scope of this disclosure to those skilled in the art. Based on the teachings herein, those skilled in the art should understand that the scope of this disclosure is intended to cover any aspect disclosed herein, whether implemented independently of or in combination with any other aspect of this disclosure. For example, any of the aspects set forth herein may be used to implement an apparatus or practice. Furthermore, the scope of this disclosure is intended to cover apparatuses or methods practiced using structures, functions, or structures and functions other than those set forth herein. It should be understood that any aspect of this disclosure may be embodied by one or more features of the claims.

[0044] Several aspects of a telecommunications system will now be described with reference to various devices and techniques. These devices and techniques will be described in the following detailed description and illustrated in the accompanying drawings by various boxes, modules, components, circuits, steps, processes, and / or algorithms (collectively, “elements”). These elements can be implemented using hardware, software, or a combination thereof. Whether these elements are implemented as hardware or software depends on the specific application and the design constraints imposed on the system as a whole.

[0045] It should be noted that although the terms commonly associated with 5G or NR radio access technology (RAT) may be used to describe the aspects herein, the aspects of this disclosure may be applied to other RATs, such as 3G RAT, 4G RAT and / or post-5G (e.g., 6G) RAT.

[0046] Figure 1 This is a diagram illustrating an example of a wireless network 100 according to various aspects of this disclosure. The wireless network 100 may be or may include elements of a 5G (NR) network and / or an LTE network, etc. The wireless network 100 may include multiple base stations 110 (shown as BS 110a, BS 110b, BS 110c, and BS 110d) and other network entities. A base station (BS) is an entity that communicates with a user equipment (UE) and may also be referred to as an NR BS, Node B, gNB, 5G Node B (NB), access point, Transmit / Receive Point (TRP), etc. Each BS may provide communication coverage for a specific geographic area. In 3GPP, the term "cell" may refer to the coverage area of ​​a BS and / or the BS subsystem serving that coverage area, depending on the context in which the term is used.

[0047] A Base Station (BS) can provide communication coverage for macrocells, picocells, femtocells, and / or other cell types. A macrocell can cover a relatively large geographic area (e.g., a radius of several kilometers) and allow unrestricted access for UEs with service subscriptions. A picocell can cover a relatively small geographic area and allow unrestricted access for UEs with service subscriptions. A femtocell can cover a relatively small geographic area (e.g., a home) and allow restricted access for UEs associated with that femtocell (e.g., UEs in a Closed Subscriber Group (CSG)). A BS for a macrocell can be referred to as a macro BS. A BS for a picocell can be referred to as a pico BS. A BS for a femtocell can be referred to as a femtocell BS or a home BS. Figure 1 In the example shown, BS 110a can be a macro BS of macro cell 102a, BS 110b can be a pico BS of pico cell 102b, and BS 110c can be a femto BS of femto cell 102c. A BS can support one or more (e.g., three) cells. The terms “eNB”, “base station”, “NR BS”, “gNB”, “TRP”, “AP”, “Node B”, “5G NB”, and “cell” are used interchangeably in this document.

[0048] In some examples, the cell is not necessarily stationary, and the geographical area of ​​the cell can move depending on the location of the mobile BS. In some examples, BSs can interconnect with each other and / or interconnect to one or more other BSs or network nodes (not shown) in the wireless network 100 using any suitable transport network, through various types of backhaul interfaces (such as direct physical connections or virtual networks).

[0049] The wireless network 100 may also include relay stations. A relay station is an entity that can receive data transmissions from an upstream station (e.g., a BS or a UE) and send data transmissions to a downstream station (e.g., a UE or a BS). A relay station can also be a UE capable of relaying transmissions for other UEs. Figure 1 In the example shown, BS 110d can communicate with macro BS 110a and UE 120d to facilitate communication between BS 110a and UE 120d. A relay BS can also be referred to as a relay station, relay base station, and / or relay.

[0050] Wireless network 100 can be a heterogeneous network comprising different types of Base Stations (BSs) such as macro BSs, pico BSs, femto BSs, and / or relay BSs. These different types of BSs can have different transmit power levels, different coverage areas, and different effects on interference in wireless network 100. For example, macro BSs can have high transmit power levels (e.g., 5 to 40 watts), while pico BSs, femto BSs, and relay BSs can have lower transmit power levels (e.g., 0.1 to 2 watts).

[0051] Network controller 130 can connect to a collection of BSs and provide coordination and control for these BSs. Network controller 130 can communicate with the BSs via backhaul. BSs can also communicate with each other directly or indirectly via wireless or wired backhaul.

[0052] UEs 120 (e.g., 120a, 120b, 120c) may be distributed across the wireless network 100, and each UE may be fixed or mobile. A UE may also be referred to as an access terminal, terminal, mobile station, subscriber unit, station, etc. A UE may be a cellular phone (e.g., a smartphone), a personal digital assistant (PDA), a wireless modem, a wireless communication device, a handheld device, a laptop computer, a cordless phone, a wireless local loop (WLL) station, a tablet, a camera, a gaming device, a netbook, a smartbook, an ultrabook, a medical device or instrument, a biometric sensor / device, a wearable device (smartwatch, 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 component or sensor, a smart meter / sensor, an industrial manufacturing instrument, a GPS device, or any other suitable device configured to communicate via wireless or wired media.

[0053] Some UEs can be considered 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, and / or location tags, which can communicate with base stations, other devices (e.g., remote devices), or other entities. For example, a wireless node can provide connectivity to or to a network (e.g., a wide area network such as the Internet or cellular networks) via wired or wireless communication links. Some UEs can be considered Internet of Things (IoT) devices and / or can be implemented as NB-IoT (Narrowband Internet of Things) devices. Some UEs can be considered Customer Premises Equipment (CPE). UE 120 can be included within a housing that houses the components of UE 120, such as processor components, memory components, and / or memory components. In some aspects, the processor components and memory components can be coupled together. For example, the processor components (e.g., one or more processors) and memory components (e.g., memory) can be operatively coupled, communicatively coupled, electronically coupled, and / or electrically coupled.

[0054] Generally, any number of wireless networks can be deployed in a given geographical area. Each wireless network can support a specific RAT and can operate on one or more frequencies. A RAT can also be referred to as a radio technology or air interface. A frequency can also be referred to as a carrier or channel. Each frequency can support a single RAT in a given geographical area to avoid interference between wireless networks using different RATs. In some cases, NR or 5G RAT networks can be deployed.

[0055] A UE (such as UE 120c) may monitor a first reference signal 122. The first reference signal 122 may be a wide beam. The first reference signal may be a radio link monitoring reference signal, a beam fault detection reference signal, or an SSB. In some aspects, UE 120c may switch to monitoring a second reference signal 124. The second reference signal may be a CSI-RS, which, compared to the wide beam of an SSB, involves a narrower beam with more gain or more radiated power received at UE 120c.

[0056] In some respects, two or more UEs 120 (e.g., shown as UE 120a and UE 120e) may communicate directly using one or more sidelink channels (e.g., without using base station 110 as an intermediary for communication with each other). For example, UEs 120 may communicate using peer-to-peer (P2P) communication, device-to-device (D2D) communication, vehicle-to-everything (V2X) protocols (e.g., which may include vehicle-to-vehicle (V2V) protocols or vehicle-to-infrastructure (V2I) protocols) and / or mesh networks. In some respects, UEs 120 may perform scheduling operations, resource selection operations, and / or other operations performed by base station 110 as described elsewhere herein.

[0057] The electromagnetic spectrum is typically subdivided into various categories, bands, channels, etc., based on frequency / wavelength. In 5G NR, two initial operating bands have been designated as frequency ranges FR1 (410MHz-7.125GHz) and FR2 (24.25GHz-52.6GHz). It should be understood that although a portion of FR1 is greater than 6GHz, FR1 is often (interchangeably) referred to as the "sub-6 GHz" band in various documents and articles. A similar naming issue sometimes arises with FR2; in documents and articles, FR2 is often (interchangeably) referred to as the "millimeter wave" band, although it differs from the Extremely High Frequency (EHF) band (30GHz-300GHz) designated as "mmWave" by the International Telecommunication Union (ITU).

[0058] The frequencies between FR1 and FR2 are generally referred to as midband frequencies. Recent 5G NR studies have identified the operating bands of these midband frequencies as the frequency range designation FR3 (7.125GHz-24.25GHz). Bands falling within FR3 can inherit FR1 and / or FR2 characteristics, thus effectively extending the features of FR1 and / or FR2 into the midband frequencies. Furthermore, higher frequency bands are currently being explored to extend 5G NR operation above 52.6GHz. For example, three higher operating frequency bands have been identified as the frequency range designations FR4a or FR4-1 (52.6GHz-71GHz), FR4 (52.6GHz-114.25GHz), and FR5 (114.25GHz-300Hz). Each of these higher frequency bands falls within the EHF band.

[0059] In light of the foregoing, unless otherwise specifically stated, it should be understood that the terms "sub-6GHz" and the like, as used herein, can broadly refer to frequencies below 6GHz, frequencies within FR1, or frequencies that may include midband frequencies. Furthermore, unless specifically stated otherwise, it should be understood that the terms "millimeter wave" and the like, if used herein, can broadly refer to frequencies that may include midband frequencies, frequencies within FR2, FR4, FR4-a, or FR4-1 and / or FR5, or frequencies within the EHF band.

[0060] like Figure 1 As shown, UE 120 may include a communication manager 140. As described in more detail elsewhere herein, the communication manager 140 may determine, at least in part, a switch from monitoring a first reference signal to monitoring a second reference signal and monitor the second reference signal based on a determination of handover. The communication manager 140 may send a request to the base station regarding a switch from configuring the UE using the first reference signal to configuring the UE using the second reference signal. The communication manager may receive from the base station a configuration instructing the UE to switch from monitoring the first reference signal to monitoring the second reference signal. The communication manager 140 may monitor the second reference signal at least in part based on receiving this configuration. Additionally or alternatively, the communication manager 140 may perform one or more other operations described herein.

[0061] In some aspects, base station 110 may include communication manager 150. As described in more detail elsewhere herein, communication manager 150 may determine a switch from configuring UE 120 using a first reference signal to configuring UE 120 using a second reference signal, and send a message instructing UE 120 to switch from monitoring the first reference signal to monitoring the second reference signal. Communication manager 150 may receive from the UE a request regarding the base station's switch from configuring UE 120 using the first reference signal to configuring UE 120 using the second reference signal. Communication manager 150 may send configurations instructing the UE to switch from monitoring the first reference signal to monitoring the second reference signal. Additionally or alternatively, communication manager 150 may perform one or more other operations described herein.

[0062] As mentioned above, Figure 1 Provided as an example only. Other examples may differ from the reference. Figure 1 The content described.

[0063] Figure 2 This is a diagram illustrating an example 200 of communication between a base station 110 and a UE 120 in a wireless network 100 according to various aspects of this disclosure. The base station 110 may be equipped with T antennas 234a to 234t, and the UE 120 may be equipped with R antennas 252a to 252r, wherein generally, T ≥ 1 and R ≥ 1.

[0064] At base station 110, transmitting processor 220 can receive data from data source 212 of one or more UEs, select one or more modulation and coding schemes (MCS) for each UE based at least in part on channel quality indicators (CQI) received from the UE, process (e.g., encode and modulate) the data of each UE based at least in part on the MCS selected for the UE, and provide data symbols for all UEs. Transmitting processor 220 can also process system information (e.g., for semi-static resource partitioning information (SRPI)) and control information (e.g., CQI requests, authorizations, upper-layer signaling) and provide overhead symbols and control symbols. Transmitting processor 220 can also generate reference symbols for reference signals (e.g., cell-specific reference signals (CRS) or demodulation reference signals (DMRS)) and synchronization signals (e.g., primary synchronization signal (PSS) or secondary synchronization signal (SSS)). The transmit (TX) multiple-input multiple-output (MIMO) processor 230 can perform spatial processing (e.g., precoding) on ​​data symbols, control symbols, overhead symbols, and / or reference symbols (if applicable), and can provide T output symbol streams to T modulators (MODs) 232a to 232t. Each modulator 232 can process its own output symbol stream (e.g., for OFDM) to obtain an output sample stream. Each modulator 232 can also 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 can be transmitted via T antennas 234a to 234t respectively.

[0065] At UE 120, antennas 252a to 252r can receive downlink signals from base station 110 and / or other base stations, and can provide the received signals to demodulators (DEMODs) 254a to 254r respectively. Each demodulator 254 can adjust (e.g., filter, amplify, downconvert, and digitize) the received signal to obtain an input sample. Each demodulator 254 can also process the input sample (e.g., OFDM, etc.) to obtain the received symbols. MIMO detector 256 can obtain the received symbols from all R demodulators 254a to 254r, perform MIMO detection on the received symbols (if applicable), and provide the detected symbols. Receive processor 258 can process (e.g., demodulate and decode) the detected symbols, provide the decoded data of UE 120 to data sink 260, and provide the decoded control information and system information to controller / processor 280. The term "controller / processor" can refer to one or more controllers, one or more processors, or a combination thereof. The channel processor can determine the Reference Signal Received Power (RSRP) parameter, the Received Signal Strength Indicator (RSSI) parameter, the Reference Signal Received Quality (RSRQ) parameter, and / or the CQI parameter. In some respects, one or more components of the UE 120 may be included in a housing.

[0066] Network controller 130 may include communication unit 294, controller / processor 290, and memory 292. Network controller 130 may include one or more devices, such as those in a core network. Network controller 130 may communicate with base station 110 via communication unit 294.

[0067] Antennas (e.g., antennas 234a to 234t and / or antennas 252a to 252r) may include or be included in one or more antenna panels, antenna groups, collections of antenna elements, and / or antenna arrays. Antenna panels, antenna groups, collections of antenna elements, and / or antenna arrays may include one or more antenna elements. Antenna panels, antenna groups, collections of antenna elements, and / or antenna arrays may include collections of coplanar antenna elements and / or collections of non-coplanar antenna elements. Antenna panels, antenna groups, collections of antenna elements, and / or antenna arrays may include antenna elements within a single housing and / or antenna elements within multiple housings. Antenna panels, antenna groups, collections of antenna elements, and / or antenna arrays may include antenna elements coupled to one or more transmitting and / or receiving components (such as...) Figure 2 One or more antenna elements (one or more components).

[0068] On the uplink, at UE 120, the transmit processor 264 can receive and process data from data source 262 and control information from controller / processor 280 (e.g., for reporting including RSRP, RSSI, RSRQ, and / or CQI). The transmit processor 264 can also generate reference symbols for one or more reference signals. Symbols from the transmit processor 264 can be pre-encoded by TX MIMO processor 266 (if applicable), further processed by modulators 254a to 254r (e.g., for DFT-s-OFDM or CP-OFDM), and transmitted to base station 110. In some aspects, the modulator and demodulator of UE 120 (e.g., MOD / DEMOD 254) can be included in the modem of UE 120. In some aspects, UE 120 includes a transceiver. The transceiver may include any combination of antenna 252, modulator and / or demodulator 254, MIMO detector 256, receive processor 258, transmit processor 264 and / or TX MIMO processor 266. A processor (e.g., controller / processor 280) and memory 282 may be used with the transceiver to perform aspects of any of the methods described herein.

[0069] At base station 110, uplink signals from UE 120 and other UEs can be received by antenna 234, processed by demodulator 232, detected by MIMO detector 236 (if applicable), and further processed by receiver processor 238 to obtain decoded data and control information transmitted by UE 120. Receiver processor 238 can provide decoded data to data sink 239 and decoded control information to controller / processor 240. Base station 110 may include communication unit 244 and communicate with network controller 130 via communication unit 244. Base station 110 may include scheduler 246 for scheduling downlink and / or uplink communications of UE 120. In some aspects, modulators and demodulators (e.g., MOD / DEMOD 232) of base station 110 may be included in the modem of base station 110. In some aspects, base station 110 includes transceivers. The transceiver may include any combination of antenna 234, modulator and / or demodulator 232, MIMO detector 236, receive processor 238, transmit processor 220 and / or TX MIMO processor 230. A processor (e.g., controller / processor 240) and memory 242 may be used with the transceiver to perform aspects of any of the methods described herein.

[0070] The controller / processor 240 of base station 110, the controller / processor 280 of UE 120 and / or Figure 2Any other component may perform one or more techniques associated with switching reference signals used for beam or link failure detection, as described in more detail elsewhere herein. For example, the controller / processor 240 of base station 110, the controller / processor 280 of UE 120, and / or Figure 2 Any other component can execute or direct, for example Figure 4 Process 400 Figure 5 Process 500 Figure 6 Process 600 Figure 7 The operation of process 700 and / or other processes described herein. Memory 242 and 282 may store data and program code for base station 110 and UE 120, respectively. Scheduler 246 may schedule data transmission of the UE on the downlink and / or uplink.

[0071] In some aspects, UE 120 may include components for determining a switch from monitoring a first reference signal to monitoring a second reference signal and / or components for monitoring the second reference signal at least in part based on the determination to switch. Additionally or alternatively, UE 120 may include components for performing one or more other operations described herein. In some aspects, such components may include a communication manager 140. Additionally or alternatively, such components may include combinations of... Figure 2 One or more components of the UE 120 described.

[0072] In some aspects, base station 110 may include components for determining a switch from configuring UE 120 using a first reference signal to configuring UE 120 using a second reference signal and / or components for transmitting a message instructing UE 120 to switch from monitoring the first reference signal to monitoring the second reference signal. Additionally or alternatively, base station 110 may include components for performing one or more other operations described herein. In some aspects, such components may include a communication manager 150. In some aspects, such components may include a combination of... Figure 2 One or more components of the described base station 110.

[0073] In some aspects, UE 120 may include components for sending a request to a base station regarding a switch from configuring the UE using a first reference signal to configuring the UE using a second reference signal; components for receiving from the base station a configuration for switching from monitoring the first reference signal to monitoring the second reference signal; and / or components for monitoring the second reference signal at least in part based on the received configuration. Additionally or alternatively, UE 120 may include components for performing one or more other operations described herein. In some aspects, such components may include a communication manager 140. Additionally or alternatively, such components may include components combining... Figure 2One or more components of the UE 120 described.

[0074] In some aspects, base station 110 may include components for receiving from the UE a request regarding a switch from configuring the UE using a first reference signal to configuring the UE using a second reference signal and / or for transmitting a configuration for switching from monitoring the first reference signal to monitoring the second reference signal. Additionally or alternatively, base station 110 may include components for performing one or more other operations described herein. In some aspects, such components may include a communication manager 150. In some aspects, such components may include combinations of... Figure 2 One or more components of the described base station 110.

[0075] As mentioned above, Figure 2 Provided as an example only. Other examples may differ from the reference. Figure 2 The content described.

[0076] A UE can rely on the broadcast of an SSB (Synchronization Signal Broadcasting) as a resource for link failure detection (RBF) to perform RLM or BFD. If the signal strength of the SSB (e.g., beamforming gain) is sufficient, the UE can determine that it still has a link to the serving cell. Note that the SSB can also be referred to as a synchronization signal and physical broadcast channel. In some cases, the UE may move out of the cell's coverage area, and the link may fail because the SSB is broadcast in a wide beam and may have limited gain. For example, a UE may have resources (e.g., SSBs) configured for RLM-RS, and a radio link failure (RLF) occurs if the estimated uplink and downlink radio link quality of the configured RLM-RS resources becomes worse than a quality threshold during the evaluation period.

[0077] Based on the various aspects described herein, the UE can determine to switch from monitoring wide SSB broadcasts to monitoring CSI-RS, which is transmitted in a more concentrated beam and can have higher beamforming gain. The UE can determine to make the handover based at least in part on signaling feedback from the BS or measurements by the UE. The UE can send a request to the BS to switch to monitoring CSI-RS, and the BS can instruct that the request be granted. As a result, the UE can maintain the link for a longer time and / or a greater distance compared to monitoring SSB broadcasts. In some aspects, the UE can determine to switch to monitoring CSI-RS based at least in part on instructions received from the BS without sending a request to switch to monitoring CSI-RS. For example, for RLM and / or BFD purposes, the BS can determine to configure the UE using CSI-RS, and the BS can instruct the UE accordingly. This instruction can be based at least in part on an explicit UE request or at least in part on a measurement report from the UE of the configured reference signal. In one example, as a result of the handover, the UE has a greater chance of maintaining the link by monitoring CSI-RS instead of monitoring SSB broadcasts. The UE can save time, processing resources, and signaling resources that would otherwise be consumed by rebuilding the disconnected link.

[0078] Figure 3 This is a diagram illustrating example 300 of a reference signal for beam or link failure detection, according to various aspects of this disclosure. Figure 3 Base stations (BS) 310 that can communicate with each other are shown (e.g., Figure 1 and Figure 2 BS 110 (described in the text) and UE 320 (e.g., Figure 1 and Figure 2 UE 120 as depicted in the text.

[0079] BS 310 and UE 320 may have already established a connection via beam or link. UE 320 may be monitoring a first reference signal (RS) 325. However, as indicated by reference numeral 330, UE 320 may determine to switch from monitoring the first RS 325 to monitoring the second RS 335. For example, UE 320 may detect that UE 320 is leaving the coverage area of ​​the first RS 325. UE 320 may determine that the beamforming gain of the first RS 325 does not meet a gain threshold (e.g., minimum received power), and as indicated by reference numeral 340, UE 320 may send a request to BS 310 regarding UE 320's switch from monitoring the first RS 325 to monitoring the second RS 335. This request may be in an RRC message, MAC-CE, or uplink control information (UCI). In one example, UE 320 may assess whether the configured RLM-RS resource uplink and downlink radio link gain estimated in the last SSB assessment period has become worse than the gain threshold during that assessment period. If the measurement falls below a gain threshold, UE 320 may request a switch, for example, between RLM-RS and CSI-RS. In some respects, UE 320 may assess whether the uplink and downlink radio link quality of the configured RLM-RS resources, estimated in the last SSB assessment cycle, has become worse than quality thresholds (e.g., minimum RSRQ, minimum signal-to-noise ratio (SNR), minimum signal-to-interference-to-noise ratio (SINR)) during that assessment cycle. If the reported measurement for the configured RS resources falls below a quality threshold, UE 320 may request a switch from RLM-RS to CSI-RS.

[0080] As shown by reference numeral 345 in the accompanying drawings, BS 310 can determine a switch from configuring UE 320 using a first RS 325 to configuring UE 320 using a second RS 335. For example, for RLM or BFD purposes, BS 310 can determine a switch from configuring UE 320 to monitor an SSB to configuring UE 320 to monitor a CSI-RS. BS 310 can determine the handover reference signal based at least in part on requests from UE 320 and / or signaling feedback (e.g., probe reference signals) or measurements (e.g., reference signal received power) of communications to and / or from UE 320. BS 310 can generate an indication that a request from UE 320 is permitted and / or a configuration for UE 320 to perform a handover. This configuration can, for example, instruct the UE to switch from monitoring an SSB to monitoring a CSI-RS. In some aspects, BS 310 can change the pattern or frequency of transmitting CSI-RS.

[0081] In some aspects, this configuration can specify one or more triggering conditions (e.g., thresholds, pre-handover waiting periods) for the UE 320 to switch from monitoring one RS to monitoring another. The configuration can specify one or more triggering conditions for the UE 320 to switch back to monitoring the original RS. The configuration can specify one or more conditions for selecting the RS to switch to from multiple other RSs. In some aspects, the configuration can specify new gain thresholds and / or new quality thresholds.

[0082] As indicated by reference numeral 350 in the attached diagram, BS 310 can send an indication or configuration. In some respects, BS 310 may continue to send the first RS 325 (e.g., SSB) for other reasons, but BS 310 may still instruct UE 320 to monitor the second RS 335 instead of the first RS 325. BS 310 may send this indication or configuration in an RRC message, MAC-CE, and / or Downlink Control Information (DCI).

[0083] As shown by reference numeral 355 in the attached figure, UE 320 may switch from monitoring the first RS 325 to monitoring the second RS 335, at least in part, based on receiving this indication or configuration from BS 310. While monitoring the first RS 325, UE 320 may receive the second RS 335 or may not receive the second RS 335 (and continue monitoring the first RS 325). UE 320 may tune signaling resources to different time and / or frequency locations to monitor the second RS 335. UE 320 may begin monitoring the second RS 335 before, simultaneously with, and / or after BS 310 begins transmitting the second RS 335. UE 320 may have separate gain thresholds and / or separate quality thresholds for determining link faults, at least in part, based on the second RS 335. The second RS 335, as a narrower beam (e.g., CSI-RS), may have the opportunity not to be directly focused on UE 320, and UE 320 may consider this possibility. For example, if the CSI-RS gain is already sufficient but suddenly drops, UE 320 can wait for a period of time before determining that the link has failed, because the direction of the CSI-RS may no longer be in UE 320's direction. The direction of the CSI-RS can quickly return to UE 320's direction. In any case, if UE 320 switches the reference signal at the appropriate time, UE 320 may have a better chance of maintaining the link to BS 310.

[0084] As mentioned above, Figure 3 Provided as an example only. Other examples may differ from the reference. Figure 3 The content described.

[0085] Figure 4This is a diagram illustrating an example procedure 400 performed by a UE, for example, according to this disclosure. Example procedure 400 is a UE (e.g., Figure 1 and Figure 2 The UE 120 depicted in the text Figure 3 The example depicted is a UE 320 performing an operation associated with switching a reference signal used for beam or link failure detection.

[0086] like Figure 4 As shown, in some aspects, process 400 may include determining a switch from monitoring a first reference signal to monitoring a second reference signal (block 410). For example, as described above, the UE (e.g., using a receive processor 258, a transmit processor 264, a controller / processor 280, and a memory 282) may determine a switch from monitoring a first reference signal to monitoring a second reference signal.

[0087] like Figure 4 As further shown, in some aspects, process 400 may include monitoring the second reference signal at least in part based on a determination-based handover (block 420). For example, as described above, the UE (e.g., using a receive processor 258, a transmit processor 264, a controller / processor 280, and a memory 282) may monitor the second reference signal at least in part based on a determination-based handover.

[0088] Process 400 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in conjunction with one or more other process descriptions elsewhere herein.

[0089] In one aspect, the first reference signal is a synchronization signal block, and the second reference signal is a channel state information reference signal. In some aspects, the first reference signal is an RLM reference signal or a BFD reference signal.

[0090] In the second aspect, either alone or in combination with the first aspect, determining that a handover includes receiving a message from the base station for switching from monitoring the first reference signal to monitoring the second reference signal.

[0091] In the third aspect, either alone or in combination with one or more of the first and second aspects, the message is one of an RRC message, a MAC-CE message, or a DCI message.

[0092] In the fourth aspect, either alone or in combination with one or more of the first to third aspects, process 400 includes sending a request regarding the base station switching from configuring the UE using the first reference signal to configuring the UE using the second reference signal, based at least in part on determining that the gain of the first reference signal does not meet a gain threshold.

[0093] In the fifth aspect, either alone or in combination with one or more of the first through fourth aspects, the request is included in one of the RRC messages, MAC-CE, or UCI.

[0094] In the sixth aspect, either alone or in combination with one or more of the first to fifth aspects, process 400 includes sending a request regarding the base station switching from configuring the UE using the first reference signal to configuring the UE using the second reference signal, based at least in part on determining that the quality of the first reference signal does not meet a quality threshold.

[0095] In the seventh aspect, either alone or in combination with one or more of the first to sixth aspects, process 400 includes receiving, at least in part, an instruction from the base station to switch from monitoring the first reference signal to monitoring the second reference signal based on sending the request.

[0096] although Figure 4 An example box of process 400 is shown, but in some respects, process 400 may include more than Figure 4 The number of boxes shown may be more, fewer, different, or arranged differently. Additionally or alternatively, two or more boxes of process 400 may be executed in parallel.

[0097] Figure 5 This is a diagram illustrating an example process 500 performed, for example, by a base station according to this disclosure. Example process 500 is a base station (e.g., Figure 1 and 2 BS 110 as depicted in the text Figure 3 The example depicted in the image shows the BS 310 performing operations associated with switching reference signals used for beam or link fault detection.

[0098] like Figure 5 As shown, in some aspects, process 500 may include determining a switch from configuring the UE using a first reference signal to configuring the UE using a second reference signal (block 510). For example, as described above, the base station (e.g., using transmit processor 220, receive processor 238, controller / processor 240, memory 242) may determine a switch from transmitting the first reference signal to transmitting the second reference signal.

[0099] like Figure 5 As further shown, in some aspects, process 500 may include sending a message instructing the UE to switch from monitoring a first reference signal to monitoring a second reference signal (block 520). For example, as described above, the base station (e.g., using a transmitting processor 220, a receiving processor 238, a controller / processor 240, and a memory 242) may send a message instructing the UE to switch from monitoring a first reference signal to monitoring a second reference signal.

[0100] Process 500 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in conjunction with one or more other process descriptions elsewhere herein.

[0101] In the first aspect, the first reference signal is SSB, and the second reference signal is CSI-RS.

[0102] In the second aspect, either alone or in combination with the first aspect, determining to perform a switch includes at least partially determining to perform a switch based on the fact that the gain of the first reference signal does not meet a gain threshold.

[0103] In the third aspect, either alone or in combination with one or more of the first and second aspects, the message is one of an RRC message, a MAC-CE message, or a DCI message.

[0104] In the fourth aspect, determining to perform a switch, either alone or in combination with one or more of the first to third aspects, includes determining to perform a switch based at least in part on determining that the quality of the first reference signal does not meet a quality threshold.

[0105] In the fifth aspect, either alone or in combination with one or more of the first to fourth aspects, determining that a handover includes receiving from the UE a request regarding the base station switching from configuring the UE using a first reference signal to configuring the UE using a second reference signal.

[0106] In the sixth aspect, either alone or in combination with one or more of the first through fifth aspects, the request is included in one of the RRC messages, MAC-CE, or UCI.

[0107] although Figure 5 An example box of process 500 is shown, but in some respects, process 500 may include more than Figure 5 The number of boxes shown can be increased, decreased, different, or arranged differently. Additionally or alternatively, two or more boxes of process 500 can be executed in parallel.

[0108] Figure 6 This illustrates an example procedure 600 performed by a UE, for example, according to this disclosure. Example procedure 600 is a UE (e.g., Figure 1 and Figure 2 The UE 120 depicted in the text Figure 3 The example depicted is a UE 320 performing an operation associated with switching a reference signal used for a beam or link.

[0109] like Figure 6As shown, in some aspects, process 600 may include sending a request to the base station regarding a switch from configuring the UE using a first reference signal to configuring the UE using a second reference signal (block 610). For example, as described above, the UE (e.g., using a receive processor 258, a transmit processor 264, a controller / processor 280, and a memory 282) may send a request to the base station regarding a switch from configuring the UE using the first reference signal to configuring the UE using the second reference signal.

[0110] like Figure 6 As further shown, in some aspects, process 600 may include receiving configuration from the base station for switching from monitoring a first reference signal to monitoring a second reference signal (block 620). For example, as described above, the UE (e.g., using a receive processor 258, a transmit processor 264, a controller / processor 280, and a memory 282) may receive configuration from the base station for switching from monitoring a first reference signal to monitoring a second reference signal.

[0111] like Figure 6 As further shown, in some aspects, process 600 may include monitoring the second reference signal at least in part based on receiving the configuration (block 630). For example, as described above, the UE (e.g., using receive processor 258, transmit processor 264, controller / processor 280, memory 282) may monitor the second reference signal at least in part based on receiving the configuration.

[0112] Process 600 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in conjunction with one or more other process descriptions elsewhere herein.

[0113] In the first aspect, monitoring includes receiving a second reference signal.

[0114] In the second aspect, either alone or in combination with the first aspect, the first reference signal is one of the RLM reference signal or the BFD reference signal.

[0115] In the third aspect, either alone or in combination with one or more of the first and second aspects, the first reference signal is SSB and the second reference signal is CSI-RS.

[0116] In the fourth aspect, either alone or in combination with one or more of the first to third aspects, this configuration is received in an RRC message, MAC-CE, or DCI.

[0117] In the fifth aspect, either alone or in combination with one or more of the first to fourth aspects, the request is sent if the gain of the first reference signal does not meet the gain threshold.

[0118] In the sixth aspect, either alone or in combination with one or more of the first to fifth aspects, the request is sent if the quality of the first reference signal does not meet the quality threshold.

[0119] although Figure 6 An example box of process 600 is shown, but in some respects, process 600 may include more than Figure 6 The number of boxes shown can be increased, decreased, different, or arranged differently. Additionally or alternatively, two or more boxes of process 600 can be executed in parallel.

[0120] Figure 7 This is a diagram illustrating an example process 700 performed, for example, by a base station according to this disclosure. Example process 700 is a base station (e.g., Figure 1 and Figure 2 BS 110 as depicted in the text Figure 3 The example depicted in the image shows BS 310 performing operations associated with switching reference signals used for beams or links.

[0121] like Figure 7 As shown, in some aspects, process 700 may include receiving from the UE a request regarding a switch by the base station from configuring the UE using a first reference signal to configuring the UE using a second reference signal (block 710). For example, as described above, the base station (e.g., using transmit processor 220, receive processor 238, controller / processor 240, memory 242) may receive from the UE a request regarding a switch by the base station from configuring the UE using the first reference signal to configuring the UE using the second reference signal.

[0122] like Figure 7 As further illustrated, in some aspects, process 700 may include transmitting configuration for switching from monitoring a first reference signal to monitoring a second reference signal (block 720). For example, as described above, a base station (e.g., using a transmitting processor 220, a receiving processor 238, a controller / processor 240, and a memory 242) may transmit configuration for switching from monitoring a first reference signal to monitoring a second reference signal.

[0123] Process 700 may include additional aspects, such as those described below and / or any single aspect or combination of aspects described in conjunction with one or more other process descriptions elsewhere herein.

[0124] In the first aspect, the first reference signal is SSB, and the second reference signal is CSI-RS.

[0125] In the second aspect, either alone or in combination with the first aspect, if the gain of the first reference signal does not meet the gain threshold, this configuration is sent.

[0126] In the third aspect, either alone or in combination with one or more of the first and second aspects, the configuration is sent in an RRC message, MAC-CE, or DCI.

[0127] In the fourth aspect, this configuration is sent, either alone or in combination with one or more of the first to third aspects, if the quality of the first reference signal does not meet the quality threshold.

[0128] although Figure 7 An example box of process 700 is shown, but in some respects, process 700 may include more than Figure 7 The number of boxes shown can be increased, decreased, different, or arranged differently. Additionally or alternatively, two or more boxes of process 700 can be executed in parallel.

[0129] Figure 8 This is a block diagram of an example device 800 for wireless communication. Device 800 may be a UE, or a UE may include device 800. In some aspects, device 800 includes a receiving component 802 and a transmitting component 804, which can communicate with each other (e.g., via one or more buses and / or one or more other components). As shown, device 800 can use the receiving component 802 and the transmitting component 804 to communicate with another device 806 (such as a UE (e.g., UE 120e, etc.), a base station (e.g., BS 110a, BS 110d, etc.), or other wireless communication devices). As further shown, device 800 may include a determining component 808 and / or a monitoring component 810, etc.

[0130] In some respects, device 800 can be configured to perform the functions described herein. Figures 1-3 One or more operations described herein. Additionally or alternatively, device 800 may be configured to perform one or more processes described herein, such as Figure 4 Process 400 Figure 6 The process 600 or a combination thereof. In some respects, Figure 8 The device 800 and / or one or more components shown may include the elements described above. Figure 2 One or more components of the described network node. Additionally or alternatively, Figure 8 One or more components shown can be combined with the above. Figure 2 The description is implemented within one or more components. Additionally or alternatively, one or more components of the set of components may be implemented at least partially as software stored in memory. For example, a component (or a portion of a component) may be implemented as instructions or code stored in a non-transitory computer-readable medium and may be executed by a controller or processor to perform the function or operation of the component.

[0131] Receiver 802 may receive communications from device 806, such as reference signals, control information, data communications, or combinations thereof. Receiver 802 may provide the received communications to one or more other components of device 800. In some aspects, receiver 802 may perform signal processing on the received communications (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, demapping, equalization, interference cancellation, or decoding), and may provide the processed signals to one or more other components of device 806. In some aspects, receiver 802 may include the combinations described above. Figure 2 The network node described includes one or more antennas, demodulators, MIMO detectors, receiver processors, controllers / processors, memory, or combinations thereof.

[0132] Transmitting component 804 can transmit communications, such as reference signals, control information, data communications, or combinations thereof, to device 806. In some aspects, one or more other components of device 806 can generate communications and provide the generated communications to transmitting component 804 for transmission to device 806. In some aspects, transmitting component 804 can perform signal processing (such as filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, or encoding) on ​​the generated communications and can transmit the processed signals to device 806. In some aspects, transmitting component 804 can include the combinations described above. Figure 2 The described network node includes one or more antennas, modulators, transmit MIMO processors, transmit processors, controllers / processors, memory, or combinations thereof. In some aspects, the transmit component 804 may co-located with the receive component 802 in a transceiver.

[0133] The determining component 808 can determine to switch from monitoring the first reference signal to monitoring the second reference signal. The monitoring component 810 can monitor the second reference signal at least in part based on the determination.

[0134] The transmitting component 804 can send a request to the base station regarding a switch from configuring the UE using a first reference signal to configuring the UE using a second reference signal. The receiving component 802 can receive from the base station a configuration for switching from monitoring the first reference signal to monitoring the second reference signal. The monitoring component 810 can monitor the second reference signal at least in part based on the received configuration.

[0135] Figure 8 The number and arrangement of components shown are provided as an example. In reality, with... Figure 8 Compared to the example shown, there may be additional components, fewer components, different components, or components arranged differently. Furthermore, Figure 8 The two or more components shown can be implemented within a single component, or Figure 8The single component shown can be implemented as multiple distributed components. Additionally or alternatively, Figure 8 The collection of (one or more) components shown can perform actions described as being performed by Figure 8 The additional set of components shown performs one or more functions.

[0136] Figure 9 This is a diagram illustrating an example 900 of a hardware implementation of a device 905 employing a processing system 910. Device 905 may be a UE (User Equipment).

[0137] Processing system 910 can be implemented using a bus architecture (generally represented by bus 915). Depending on the specific application and overall design constraints of processing system 910, bus 915 may include any number of interconnect buses and bridges. Bus 915 links together various circuits including one or more processors and / or hardware components (represented by processor 920, the illustrated components, and computer-readable medium / memory 925). Bus 915 may also link various other circuits, such as timing sources, peripheral devices, voltage regulators, and / or power management circuits.

[0138] Processing system 910 may be coupled to transceiver 930. Transceiver 930 is coupled to one or more antennas 935. Transceiver 930 provides components for communicating with various other devices via a transmission medium. Transceiver 930 receives signals from one or more antennas 935, extracts information from the received signals, and provides the extracted information to processing system 910, specifically to receiving component 802. Furthermore, transceiver 930 receives information from processing system 910 (specifically from transmitting component 804) and generates signals to be applied to one or more antennas 935 based at least in part on the received information.

[0139] Processing system 910 includes a processor 920 coupled to a computer-readable medium / memory 925. Processor 920 is responsible for general processing, including executing software stored on the computer-readable medium / memory 925. When executed by processor 920, the software causes processing system 910 to perform the various functions described herein for any particular device. Computer-readable medium / memory 925 can also be used to store data manipulated by processor 920 during software execution. Processing system 910 also includes at least one of the components shown. These components may be software modules running in processor 920, residing in / stored in computer-readable medium / memory 925, one or more hardware modules coupled to processor 920, or some combination thereof.

[0140] In some aspects, the processing system 910 may be a component of base station 110 (e.g., BS 110a, BS 110d, etc.) and may include memory 242 and / or at least one of TX MIMO processor 230, RX processor 238, and / or controller / processor 240. In some aspects, the processing system 910 may be a component of UE 120 (e.g., UE 120e, etc.) and may include controller / processor 280, TX processor 264, TX MIMO processor 266, and / or RX processor 258. In some aspects, the apparatus 905 for wireless communication includes components for determining a switch from monitoring a first reference signal to monitoring a second reference signal and / or components for monitoring the second reference signal at least partially based on the determination to switch. In some aspects, apparatus 905 may include components for sending a request to a base station regarding a switch from configuring the UE using a first reference signal to configuring the UE using a second reference signal, components for receiving from the base station a configuration for switching from monitoring the first reference signal to monitoring the second reference signal, and / or components for monitoring the second reference signal at least in part based on the received configuration. The aforementioned components may be one or more of the aforementioned components of the processing system 910 of apparatus 800 and / or apparatus 905, configured to perform the functions listed herein. As described elsewhere herein, processing system 910 may include TX MIMO processor 230, receiver processor 238, and / or controller / processor 240. In one configuration, the aforementioned components may be TX MIMO processor 230, receiver processor 238, and / or controller / processor 240 configured to perform the functions and / or operations described herein.

[0141] Figure 9 This is provided as an example. Other examples may differ from the combination. Figure 9 The content described.

[0142] Figure 10 This is a diagram illustrating an example 1000 of the code and circuitry implementation of device 1005. Device 1005 can be a UE (User Equipment).

[0143] like Figure 10 As further shown, the apparatus may include circuitry (circuit 1020) for determining a switch from monitoring a first reference signal to monitoring a second reference signal. For example, the apparatus may include circuitry that enables the apparatus to determine a switch from monitoring a first reference signal to monitoring a second reference signal.

[0144] like Figure 10As further shown, the device may include circuitry (circuit 1025) for monitoring the second reference signal by switching at least partially based on a determination. For example, the device may include circuitry that enables the device to monitor the second reference signal by switching at least partially based on a determination.

[0145] like Figure 10 As further shown, the apparatus may include circuitry (circuit 1030) for sending a request to the base station regarding a switch from configuring the UE using a first reference signal to configuring the UE using a second reference signal. For example, the apparatus may include circuitry enabling it to send a request to the base station regarding a switch from configuring the UE using the first reference signal to configuring the UE using the second reference signal.

[0146] like Figure 10 As further shown, the apparatus may include circuitry (circuit 1035) for receiving from a base station a configuration for switching from monitoring a first reference signal to monitoring a second reference signal. For example, the apparatus may include circuitry enabling the apparatus to receive from a base station a configuration for switching from monitoring a first reference signal to monitoring a second reference signal.

[0147] like Figure 10 As further shown, the device may include circuitry (circuit 1040) for monitoring a second reference signal at least in part based on receiving the configuration. For example, the device may include circuitry that enables the device to monitor the second reference signal at least in part based on receiving the configuration.

[0148] like Figure 10 As further shown, the apparatus may include code (code 1045) stored in the computer-readable medium 925 for determining a switch from monitoring a first reference signal to monitoring a second reference signal. For example, the apparatus may include code that, when executed by the processor 920, causes the processor 920 to determine a switch from monitoring the first reference signal to monitoring the second reference signal.

[0149] like Figure 10 As further shown, the apparatus may include code (code 1050) stored in the computer-readable medium 925 for monitoring the second reference signal by switching at least partially based on determination. For example, the apparatus may include code, when executed by the processor 920, that can cause the processor 920 to switch at least partially based on determination to cause the transceiver 930 to monitor the second reference signal.

[0150] like Figure 10As further shown, the apparatus may include code (code 1055) stored in the computer-readable medium 925 for sending a request to the base station regarding a switch by the base station from configuring the UE using a first reference signal to configuring the UE using a second reference signal. For example, the apparatus may include code, when executed by the processor 920, that causes the processor 920 to cause the transceiver 930 to send a request to the base station regarding a switch by the base station from configuring the UE using the first reference signal to configuring the UE using the second reference signal.

[0151] like Figure 10 As further shown, the apparatus may include code (code 1060) stored in computer-readable medium 925 for receiving configuration from a base station for switching from monitoring a first reference signal to monitoring a second reference signal. For example, the apparatus may include code, when executed by processor 920, that causes processor 920 to cause transceiver 930 to receive configuration from a base station for switching from monitoring a first reference signal to monitoring a second reference signal.

[0152] like Figure 10 As further shown, the apparatus may include code (code 1065) stored in the computer-readable medium 925 for monitoring the second reference signal at least in part based on the received configuration. For example, the apparatus may include code, when executed by the processor 920, that enables the processor 920 to monitor the transceiver 930 at least in part based on the received configuration.

[0153] Figure 10 This is provided as an example. Other examples may differ from the combination. Figure 10 The content described.

[0154] Figure 11 This is a block diagram of an example device 1100 for wireless communication. Device 1100 may be a base station, or a base station may include device 1100. In some aspects, device 1100 includes a receiving component 1102 and a transmitting component 1104, which may communicate with each other (e.g., via one or more buses and / or one or more other components). As shown, device 1100 may use the receiving component 1102 and the transmitting component 1104 to communicate with another device 1106 (such as a UE (e.g., UE 120e, etc.), a base station (e.g., BS 110a, BS 110d, etc.) or other wireless communication devices). As further shown, device 1100 may include a determining component 1108, etc.

[0155] In some respects, device 1100 can be configured to perform the functions described herein. Figures 1-3 One or more operations described herein. Additionally or alternatively, the apparatus 1100 may be configured to perform one or more processes described herein, such as Figure 5 Process 500 Figure 7 The process 700 or a combination thereof. In some respects, Figure 11 The device 1100 and / or one or more components shown may include the above-described components. Figure 2 One or more components of the described network node. Additionally or alternatively, Figure 11 One or more components shown can be combined with the above. Figure 2 Implementation within one or more components described. Additionally or alternatively, one or more components of the component set may be implemented at least partially as software stored in memory. For example, a component (or a portion of a component) may be implemented as instructions or code stored in a non-transitory computer-readable medium and executable by a controller or processor to perform the function or operation of the component.

[0156] Receiver 1102 may receive communications from device 1106, such as reference signals, control information, data communications, or combinations thereof. Receiver 1102 may provide the received communications to one or more other components of device 1100. In some aspects, receiver 1102 may perform signal processing on the received communications (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, demapping, equalization, interference cancellation, or decoding), and may provide the processed signals to one or more other components of device 1106. In some aspects, receiver 1102 may include the combinations described above. Figure 2 The network node described includes one or more antennas, demodulators, MIMO detectors, receiver processors, controllers / processors, memory, or combinations thereof.

[0157] Transmitting component 1104 can transmit communications, such as reference signals, control information, data communications, or combinations thereof, to device 1106. In some aspects, one or more other components of device 1106 can generate communications and provide the generated communications to transmitting component 1104 for transmission to device 1106. In some aspects, transmitting component 1104 can perform signal processing (such as filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, or encoding) on ​​the generated communications and can transmit the processed signals to device 1106. In some aspects, transmitting component 1104 can include the combinations described above. Figure 2 The described network node includes one or more antennas, modulators, transmit MIMO processors, transmit processors, controllers / processors, memory, or combinations thereof. In some aspects, the transmit component 1104 may co-located with the receive component 1102 in a transceiver.

[0158] The determining component 1108 can determine a switch from configuring the UE using the first reference signal to configuring the UE using the second reference signal. The transmitting component 1104 can transmit a message instructing the UE to switch from monitoring the first reference signal to monitoring the second reference signal.

[0159] The receiving component 1102 can receive a request from the UE regarding a switch by the base station from configuring the UE using a first reference signal to configuring the UE using a second reference signal. The determining component 1108 can determine, at least in part, whether to switch the UE from monitoring the first RS to monitoring the second RS based on traffic conditions. The transmitting component 1104 can transmit the configuration for switching from monitoring the first reference signal to monitoring the second reference signal.

[0160] Figure 11 The number and arrangement of components shown are provided as an example. In reality, with... Figure 11 Compared to the example shown, there may be additional components, fewer components, different components, or components arranged differently. Furthermore, Figure 11 The two or more components shown can be implemented within a single component, or Figure 11 The single component shown can be implemented as multiple distributed components. Additionally or alternatively, Figure 11 The collection of (one or more) components shown can perform actions described as being performed by Figure 11 The additional set of components shown performs one or more functions.

[0161] Figure 12 This is a diagram illustrating an example 1200 of a hardware implementation of a device 1205 employing a processing system 1210. Device 1205 may be a base station.

[0162] Processing system 1210 can be implemented using a bus architecture (generally represented by bus 1215). Depending on the specific application and overall design constraints of processing system 1210, bus 1215 may include any number of interconnect buses and bridges. Bus 1215 links together various circuits including one or more processors and / or hardware components (represented by processor 1220, the illustrated components, and computer-readable medium / memory 1225). Bus 1215 may also link various other circuits, such as timing sources, peripheral devices, voltage regulators, power management circuits, etc.

[0163] Processing system 1210 may be coupled to transceiver 1230. Transceiver 1230 is coupled to one or more antennas 1235. Transceiver 1230 provides components for communicating with various other devices via a transmission medium. Transceiver 1230 receives signals from one or more antennas 1235, extracts information from the received signals, and provides the extracted information to processing system 1210, specifically to receiving component 1102. Furthermore, transceiver 1230 receives information from processing system 1210 (specifically from transmitting component 1104) and generates signals to be applied to one or more antennas 1235 based at least in part on the received information.

[0164] Processing system 1210 includes a processor 1220 coupled to a computer-readable medium / memory 1225. Processor 1220 is responsible for general processing, including executing software stored on the computer-readable medium / memory 1225. When executed by processor 1220, the software causes processing system 1210 to perform the various functions described herein for any particular device. Computer-readable medium / memory 1225 may also be used to store data manipulated by processor 1220 during software execution. Processing system 1210 also includes at least one of the components shown. These components may be software modules running in processor 1220, residing in / stored in computer-readable medium / memory 1225, one or more hardware modules coupled to processor 1220, or some combination thereof.

[0165] In some aspects, the processing system 1210 may be a component of a base station 110 (e.g., BS 110a, BS 110d, etc.) and may include at least one of a memory 242 and / or a TX MIMO processor 230, an RX processor 238, and / or a controller / processor 240. In some aspects, the processing system 1210 may be a component of a UE 120 (e.g., UE 120e and other examples) and may include a controller / processor 280, a TX processor 264, a TX MIMO processor 266, and / or an RX processor 258. In some aspects, the apparatus 1205 for wireless communication includes components for determining a switch from configuring the UE using a first reference signal to configuring the UE using a second reference signal and / or components for sending a message instructing the UE to switch from monitoring the first reference signal to monitoring the second reference signal. In some aspects, the apparatus 1205 may include components for receiving from the UE a request regarding a base station switching from configuring the UE using the first reference signal to configuring the UE using the second reference signal and / or components for sending a configuration for switching from monitoring the first reference signal to monitoring the second reference signal. The aforementioned components may be one or more of the aforementioned components of the processing system 1210 of the apparatus 1100 and / or apparatus 1205, which are configured to perform the functions listed herein. As described elsewhere herein, the processing system 1210 may include a TX MIMO processor 230, a receiver processor 238, and / or a controller / processor 240. In one configuration, the aforementioned components may be the TX MIMO processor 230, the receiver processor 238, and / or the controller / processor 240, which are configured to perform the functions and / or operations described herein.

[0166] Figure 12 This is provided as an example. Other examples may differ from the combination. Figure 12 The content described.

[0167] Figure 13 This is a diagram illustrating an example 1300 of the code and circuit implementation of device 1305. Device 1305 can be a base station.

[0168] like Figure 13 As further shown, the apparatus may include circuitry (circuit 1320) for determining a switch from configuring the UE using a first reference signal to configuring the UE using a second reference signal. For example, the apparatus may include circuitry that enables the apparatus to determine a switch from configuring the UE using the first reference signal to configuring the UE using the second reference signal.

[0169] like Figure 13As further shown, the apparatus may include circuitry (circuit 1325) for transmitting a message instructing the UE to switch from monitoring a first reference signal to monitoring a second reference signal. For example, the apparatus may include circuitry that enables the apparatus to transmit a message instructing the UE to switch from monitoring a first reference signal to monitoring a second reference signal.

[0170] like Figure 13 As further shown, the apparatus may include circuitry (circuit 1330) for receiving from the UE a request regarding a base station switching from configuring the UE using a first reference signal to configuring the UE using a second reference signal. For example, the apparatus may include circuitry enabling the apparatus to receive from the UE a request regarding a base station switching from configuring the UE using the first reference signal to configuring the UE using the second reference signal.

[0171] like Figure 13 As further shown, the apparatus may include circuitry (circuit 1335) for transmitting a configuration for switching from monitoring a first reference signal to monitoring a second reference signal. For example, the apparatus may include circuitry enabling the apparatus to transmit a configuration for switching from monitoring a first reference signal to monitoring a second reference signal.

[0172] like Figure 13 As further shown, the apparatus may include code (code 1340) stored in the computer-readable medium 1225 for determining a switch from configuring the UE using a first reference signal to configuring the UE using a second reference signal. For example, the apparatus may include code that, when executed by the processor 1220, causes the processor 1220 to determine a switch from configuring the UE using the first reference signal to configuring the UE using the second reference signal.

[0173] like Figure 13 As further shown, the apparatus may include code (code 1345) stored in computer-readable medium 1225 for transmitting a message instructing the UE to switch from monitoring a first reference signal to monitoring a second reference signal. For example, the apparatus may include code that, when executed by processor 1220, causes processor 1220 to cause transceiver 1230 to transmit a message instructing the UE to switch from monitoring a first reference signal to monitoring a second reference signal.

[0174] like Figure 13 As further shown, the apparatus may include code (code 1350) stored in the computer-readable medium 1225 for receiving from the UE a request regarding a base station switching from configuring the UE using a first reference signal to configuring the UE using a second reference signal. For example, the apparatus may include code, when executed by the processor 1220, that causes the processor 1220 to cause the transceiver 1230 to receive from the UE a request regarding a base station switching from configuring the UE using the first reference signal to configuring the UE using the second reference signal.

[0175] like Figure 13 As further shown, the apparatus may include code (code 1355) stored in computer-readable medium 1225 for transmitting a configuration for switching from monitoring a first reference signal to monitoring a second reference signal. For example, the apparatus may include code, when executed by processor 1220, that causes processor 1220 to cause transceiver 1230 to transmit a configuration for switching from monitoring a first reference signal to monitoring a second reference signal.

[0176] Figure 13 This is provided as an example. Other examples may differ from the combination. Figure 13 The content described.

[0177] Figure 14 This is a diagram illustrating example 1400 of a reference signal used for beam or link failure detection according to this disclosure. Figure 14 As shown, a UE (e.g., UE 120, UE 320) can communicate with a base station (e.g., BS 110, BS 310) (e.g., sending uplink transmissions and / or receiving downlink transmissions). The UE and the base station can be part of a wireless network (e.g., wireless network 100).

[0178] As shown by reference numeral 1405 in the attached figure, the base station can send a message instructing the UE to switch from monitoring a first reference signal to monitoring a second reference signal. This message can be an RRC message, a MAC-CE message, or a DCI message.

[0179] As shown by reference numeral 1410 in the attached figure, the UE can determine to switch from monitoring a first reference signal to monitoring a second reference signal. The UE can send a request, at least in part, regarding the base station switching from configuring the UE using the first reference signal to configuring the UE using the second reference signal, based on the determination that the gain of the first reference signal does not meet a gain threshold. The UE can receive a message from the base station responding to this request. As shown by reference numeral 1415 in the attached figure, the UE can monitor the second reference signal.

[0180] As mentioned above, Figure 14 This is provided as an example. Other examples may differ from the reference. Figure 14 The content described.

[0181] Figure 15 This is a diagram illustrating example 1500 of a reference signal used for beam or link failure detection according to this disclosure. Figure 15 As shown, a UE (e.g., UE 120, UE 320) can communicate with a base station (e.g., BS 110, UE 310) (e.g., sending uplink transmissions and / or receiving downlink transmissions). The UE and the base station can be part of a wireless network (e.g., wireless network 100).

[0182] As shown in Figure 1505, the UE can send a request to the base station regarding a switch from configuring the UE using a first reference signal to configuring the UE using a second reference signal. This message can be an RRC message, MAC-CE, or DCI. The first reference signal can be an RLM reference signal, a BFD reference signal, or an SSB. The second reference signal can be CSI-RS.

[0183] As shown by reference numeral 1510 in the attached figure, the base station can send a configuration for switching from monitoring a first reference signal to monitoring a second reference signal. This configuration can be sent in an RRC message, MAC-CE, or DCI.

[0184] As shown by reference numeral 1515 in the attached figure, the base station may transmit a second reference signal. As shown by reference numeral 1520 in the attached figure, the UE may monitor the second reference signal at least in part based on receiving this configuration. As part of the monitoring, the UE may receive the second reference signal. In one example, the UE may begin monitoring before or simultaneously with the base station transmitting the second reference signal.

[0185] As mentioned above, Figure 15 This is provided as an example. Other examples may differ from the reference. Figure 15 The content described.

[0186] The foregoing disclosure provides explanations and descriptions, but is not intended to be exhaustive or to limit the aspects to the precise form disclosed. Modifications and variations may be made based on the foregoing disclosure, or may be derived from practice in these aspects.

[0187] The following outlines some aspects of this disclosure:

[0188] Aspect 1: A wireless communication method performed by a user equipment (UE), comprising: receiving from a base station a configuration for switching from monitoring a first reference signal to monitoring a second reference signal; and monitoring the second reference signal at least in part based on receiving the configuration.

[0189] Aspect 2: According to the method of aspect 1, the first reference signal is one of the radio link monitoring reference signal or the beam fault detection reference signal.

[0190] Aspect 3: According to the method of aspect 1, the first reference signal is a synchronization signal block and the second reference signal is a channel state information reference signal.

[0191] Aspect 4: The method according to any one of Aspects 1-3, wherein the configuration is received in a radio resource configuration message, a media access control control element (MAC-CE), or a downlink control message.

[0192] Aspect 5: According to the method of any one of Aspects 1-4, wherein if the gain of the first reference signal does not meet the gain threshold, the request is sent.

[0193] Aspect 6: According to the method of any one of Aspects 1-5, wherein if the quality of the first reference signal does not meet the quality threshold, the request is sent.

[0194] Aspect 7: A wireless communication method performed by a base station, comprising: receiving from a user equipment (UE) a request for the base station to switch from configuring the UE using a first reference signal to configuring the UE using a second reference signal; and sending a configuration for switching from monitoring the first reference signal to monitoring the second reference signal.

[0195] Aspect 8: According to the method of aspect 7, wherein the first reference signal is a synchronization signal block and the second reference signal is a channel state information reference signal.

[0196] Aspect 9: According to the method of aspect 7 or 8, wherein if the gain of the first reference signal does not meet the gain threshold, the configuration is sent.

[0197] Aspect 10: The method according to any one of Aspects 7-9, wherein the configuration is sent in a radio resource configuration message, a media access control control element (MAC-CE), or a downlink control message.

[0198] Aspect 11: According to the method of any one of Aspects 7-10, wherein if the quality of the first reference signal does not meet the quality threshold, the configuration is sent.

[0199] Aspect 12: An apparatus for wireless communication at a device, comprising a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor causing the apparatus to perform one or more aspects of aspects 1-11.

[0200] Aspect 13: An apparatus for wireless communication, comprising a memory and one or more processors coupled to the memory, the memory and the one or more processors being configured to perform the methods of one or more aspects of aspects 1-11.

[0201] Aspect 14: An apparatus for wireless communication, comprising at least one component for performing the methods of one or more aspects of aspects 1-11.

[0202] Aspect 15: A non-transitory computer-readable medium storing code for wireless communication, the code including instructions executable by a processor to perform methods of one or more aspects of aspects 1-11.

[0203] Aspect 16: A non-transitory computer-readable medium storing a set of instructions for wireless communication, the set of instructions including one or more instructions which, when executed by one or more processors of a device, cause the device to perform one or more methods of aspects 1-11.

[0204] The following outlines some other aspects of this disclosure:

[0205] Aspect 17: A wireless communication method performed by a user equipment (UE), comprising: sending a request to a base station regarding a switch of the base station from configuring the UE using a first reference signal to configuring the UE using a second reference signal; receiving from the base station a configuration for switching from monitoring the first reference signal to monitoring the second reference signal; and monitoring the second reference signal at least in part based on receiving the configuration.

[0206] Aspect 18: According to the method of aspect 17, the monitoring includes receiving a second reference signal.

[0207] Aspect 19: According to the method of aspect 17 or 18, wherein the first reference signal is one of the radio link monitoring reference signal or the beam fault detection reference signal.

[0208] Aspect 20: The method according to any one of aspects 17-19, wherein the first reference signal is a synchronization signal block and the second reference signal is a channel state information reference signal.

[0209] Aspect 21: The method according to any one of Aspects 17-20, wherein the configuration is received in a radio resource configuration message, a media access control control element (MAC-CE), or a downlink control message.

[0210] Aspect 22: According to the method of any one of aspects 17-21, wherein the request is sent if the gain of the first reference signal does not meet the gain threshold.

[0211] Aspect 23: According to the method of any one of aspects 17-22, wherein the request is sent if the quality of the first reference signal does not meet the quality threshold.

[0212] Aspect 24: A wireless communication method performed by a base station, comprising: receiving from a user equipment (UE) a request for the base station to switch from configuring the UE using a first reference signal to configuring the UE using a second reference signal; and sending a configuration for switching from monitoring the first reference signal to monitoring the second reference signal.

[0213] Aspect 25: According to the method of aspect 24, wherein the first reference signal is a synchronization signal block and the second reference signal is a channel state information reference signal.

[0214] Aspect 26: According to the method of Aspect 24 or 25, wherein if the gain of the first reference signal does not meet the gain threshold, the configuration is sent.

[0215] Aspect 27: The method according to any one of Aspects 24-26, wherein the configuration is sent in a radio resource configuration message, a media access control control element (MAC-CE), or a downlink control message.

[0216] Aspect 28: According to the method of any one of Aspects 24-27, wherein if the quality of the first reference signal does not meet the quality threshold, the configuration is sent.

[0217] Aspect 29: An apparatus for wireless communication at a device, comprising a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor causing the apparatus to perform one or more of the methods of aspects 17-28.

[0218] Aspect 30: An apparatus for wireless communication, comprising a memory and one or more processors coupled to the memory, the memory and the one or more processors being configured to perform the methods of one or more aspects of aspects 17-28.

[0219] Aspect 31: An apparatus for wireless communication, comprising at least one component for performing the methods of one or more aspects of aspects 17-28.

[0220] Aspect 32: A non-transitory computer-readable medium storing code for wireless communication, the code including instructions executable by a processor to perform methods of one or more aspects of aspects 17-28.

[0221] Aspect 33: A non-transitory computer-readable medium storing a set of instructions for wireless communication, the set of instructions including one or more instructions which, when executed by one or more processors of a device, cause the device to perform one or more methods of aspects 17-28.

[0222] As used herein, the term "component" is intended to be interpreted broadly as hardware, firmware, and / or a combination of hardware and software. As used herein, a processor is implemented as a combination of hardware, firmware, and / or hardware and software.

[0223] It is clear that the systems and / or methods described herein can be implemented in various forms of hardware, firmware, or combinations of hardware and software. The actual dedicated control hardware or software code used to implement these systems and / or methods does not limit these aspects. Therefore, while this document describes the operation and behavior of the systems and / or methods without reference to specific software code, it should be understood that software and hardware can be designed to implement the systems and / or methods, at least in part, based on the description herein.

[0224] As used in this article, depending on the context, satisfying the threshold can mean a value greater than the threshold, greater than or equal to the threshold, less than the threshold, less than or equal to the threshold, equal to the threshold, not equal to the threshold, etc.

[0225] Although specific combinations of features are recited in the claims and / or disclosed in the specification, these combinations are not intended to limit the disclosure of the aspects. In fact, multiple of these features may be combined in ways not specifically recited in the claims and / or not specifically disclosed in the specification. Although each listed dependent claim may directly refer to only one claim, the disclosure of the aspects includes combinations of each dependent claim with each other claim in the claims. As used herein, the phrase “at least one” referring to a series of items means any combination of those 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, as well as any combination with multiples of the same element (e.g., aa, aaa, aab, aac, abb, acc, bb, bbb, bbc, cc, and ccc, or any other permutation of a, b, and c).

[0226] Unless explicitly stated otherwise, no element, action, or instruction used herein should be construed as critical or necessary. Furthermore, as used herein, the articles “a” and “an” are intended to include one or more items and may be used interchangeably with “one or more.” Furthermore, as used herein, the definite article “the” is intended to include one or more items associated with the definite article “the” and may be used interchangeably with “the one or more.” Furthermore, as used herein, the terms “set” and “group” are intended to include one or more items (e.g., related items, unrelated items, a combination of related and unrelated items) and may be used interchangeably with “one or more.” If only one item is intended to be used, the phrase “only one” or similar language is used. Furthermore, as used herein, the terms “have” and “possess” are intended as open-ended terms. Furthermore, unless explicitly stated otherwise, the phrase “based on” is intended to mean “at least partially based on.” Furthermore, as used herein, the term “or” is inclusive when used consecutively and may be used interchangeably with “and / or” unless explicitly stated otherwise (e.g., if used in conjunction with “any” or “only one”).

Claims

1. An apparatus for performing wireless communication at a user equipment (UE), comprising: One or more memory units; as well as One or more processors coupled to the one or more memories, the one or more processors being configured to cause the UE to: Information indicating a switch from a first reference signal to a second reference signal is received from a network entity. The first reference signal includes a synchronization signal block and is used for radio link monitoring (RLM) of the link with the network entity. The second reference signal includes a channel state information reference signal and is used for RLM of the link with the network entity. as well as The second reference signal is monitored at least in part based on the information indicating a switch from the first reference signal to the second reference signal.

2. The apparatus according to claim 1, wherein, In order to monitor the second reference signal, the one or more processors are configured to cause the UE to receive the second reference signal.

3. An apparatus for wireless communication at a network entity, comprising: One or more memory units; as well as One or more processors coupled to the one or more memories, the one or more processors being configured to cause the network entity to: The signal is switched from a first reference signal to a second reference signal, wherein the first reference signal includes a synchronization signal block and is used for radio link monitoring (RLM) of the link with the network entity, and the second reference signal includes a channel state information reference signal and is used for RLM of the link with the network entity. as well as Send information indicating a switch from the first reference signal to the second reference signal.

4. A user equipment (UE) for wireless communication, comprising: One or more memory units; as well as One or more processors coupled to the one or more memories, the one or more processors being configured to cause the UE to: If the gain of the first reference signal does not meet the gain threshold or if the quality of the first reference signal does not meet the quality threshold, a request is sent to the network entity regarding the network entity switching from configuring the UE using the first reference signal to configuring the UE using the second reference signal; Receive configuration from the network entity for switching from monitoring the first reference signal to monitoring the second reference signal; as well as The second reference signal is monitored at least in part based on the received configuration, wherein the first reference signal is a synchronization signal block and the second reference signal is a channel state information reference signal.

5. A network entity for wireless communication, comprising: One or more memory units; as well as One or more processors coupled to the one or more memories, the one or more processors being configured to cause the network entity to: Receive a request from the user equipment (UE) regarding the network entity switching from configuring the UE using a first reference signal to configuring the UE using a second reference signal; as well as If the gain of the first reference signal does not meet a gain threshold or if the quality of the first reference signal does not meet a quality threshold, a configuration for switching from monitoring the first reference signal to monitoring the second reference signal is sent, wherein the first reference signal is a synchronization signal block and the second reference signal is a channel state information reference signal.

6. A user equipment (UE) for wireless communication, comprising: One or more memory units; as well as One or more processors coupled to the one or more memories, the one or more processors being configured such that the UE: Send a request to the network entity regarding the network entity switching from configuring the UE using a first reference signal to configuring the UE using a second reference signal; Receive configuration from the network entity for switching from monitoring the first reference signal to monitoring the second reference signal; as well as The second reference signal is monitored at least in part based on the received configuration.

7. A network entity for wireless communication, comprising: One or more memory units; as well as One or more processors coupled to the one or more memories, the one or more processors being configured to cause the network entity to: Receive a request from the user equipment (UE) regarding the network entity switching from configuring the UE using a first reference signal to configuring the UE using a second reference signal; as well as Send a configuration for switching from monitoring the first reference signal to monitoring the second reference signal.

8. An apparatus for wireless communication at a network entity, comprising: One or more memory units; as well as One or more processors coupled to the one or more memories, the one or more processors being configured to cause the network entity to: Receive a request from the user equipment (UE) regarding the network entity switching from configuring the UE using a first reference signal to configuring the UE using a second reference signal; as well as Send a configuration for switching from monitoring the first reference signal to monitoring the second reference signal.

9. An apparatus for performing wireless communication at a user equipment (UE), comprising: One or more memory units; as well as One or more processors coupled to the one or more memories, the one or more processors being configured to cause the UE to: The UE was detected leaving the coverage area of ​​the first reference signal before the request was sent; In a Radio Resource Configuration (RRC) message, Media Access Control (MAC-CE) control element, or Uplink Control Information (UCI), a request is sent regarding switching from configuring the UE for Radio Link Monitoring (RLM) using a first reference signal to configuring the UE using a second reference signal; Receive configuration for switching from monitoring the first reference signal to monitoring the second reference signal; as well as The second reference signal is monitored at least in part based on the configuration.

10. An apparatus for wireless communication at a network entity, comprising: One or more memory units; as well as One or more processors coupled to the one or more memories, the one or more processors being configured to cause the network entity to: In a Radio Resource Configuration (RRC) message, Media Access Control (MAC-CE) control element, or Uplink Control Information (UCI), a request is received from the User Equipment (UE) regarding a switch from configuration for Radio Link Monitoring (RLM) using a first reference signal to configuration using a second reference signal. Prior to receiving the request, the UE detects that it is leaving the coverage area of ​​the first reference signal. as well as Send a configuration for switching from monitoring the first reference signal to monitoring the second reference signal.

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