Techniques for performing cell reselection procedure using low power wake-up receiver

Abstract

Methods, systems, and devices for wireless communication are described. A user equipment (UE) may receive a first synchronization signal (SS) from a first serving cell using a wake-up component (e.g., a low power wake-up receiver (LP-WUR)) of the UE, where the first SS is received during a time interval during which a baseband component (e.g., a primary receiver) of the UE is in a low power operating state, such as an idle or inactive operating state. The UE may perform measurements of the first synchronization signal using the wake-up component, wherein the measurements are associated with a cell reselection procedure that may be performed by the UE. The UE may then monitor additional signals from the first serving cell, the second serving cell, or both based on whether the measurements satisfy one or more measurement thresholds associated with the cell reselection procedure.

Description

Technical Field

[0001] The following relates to wireless communications, including techniques for performing a cell reselection procedure using a low-power wake-up receiver (LP-WUR). Background Art

[0002] Wireless communication systems are widely deployed to provide various types of communication content, such as voice, video, packet data, messaging, broadcast, etc. These systems may be able to support communication with multiple users by sharing available system resources (e.g., time, frequency, and power). Examples of such multiple access systems include fourth generation (4G) systems (such as long term evolution (LTE) systems, advanced LTE (LTE-A) systems, or LTE-A Pro systems) and fifth generation (5G) systems (which may be referred to as new radio (NR) systems). These systems may employ techniques such as code division multiple access (CDMA), time division multiple access (TDMA), frequency division multiple access (FDMA), orthogonal FDMA (OFDMA), or discrete Fourier transform spread orthogonal frequency division multiplexing (DFT-S-OFDM). A wireless multiple access communication system may include one or more base stations, each of which supports wireless communication for communication devices, which may be referred to as user equipment (UE).

[0003] In some wireless communications, the main radio component of the UE (e.g., baseband component) may enter a low-power operating mode (e.g., idle / inactive state) to save power. During the time interval when the main radio component is in low-power mode, a separate low-power wake-up receiver (LP-WUR) may monitor for a wake-up signal (WUS) indicating whether there is data traffic waiting to be delivered to the UE. If the LP-WUR detects a WUS, the LP-WUR may trigger the main radio component to "wake up" so that the UE can receive data traffic. Summary of the Invention

[0004] The described technology relates to improved methods, systems, devices and apparatuses that support technology for performing a cell reselection process using a low power wake-up receiver (LP-WUR). In general, aspects of the present disclosure relate to technology that enables a low LP-WUR of a user equipment (UE) to perform measurements associated with a cell selection / reselection process. In other words, aspects of the present disclosure enable the LP-WUR to perform measurements on a synchronization signal (SS) and trigger a cell selection / reselection process during a time interval when the main radio component of the UE is in a low power mode, such as an idle / inactive mode. For example, the LP-WUR of the UE may receive an SS from a first serving cell during a time interval when the main radio component of the UE (e.g., a baseband component) is in a low power mode. In this example, the LP-WUR may perform measurements on the received SS and may evaluate whether to trigger a cell selection / reselection process based on the measurements. Thus, the technology described herein may enable the main radio component to remain in a low power state for a longer duration, thereby reducing power consumption at the UE. BRIEF DESCRIPTION OF THE DRAWINGS

[0005] Figure 1 An example of a wireless communication system supporting techniques for performing a cell reselection procedure using a low-power wake-up receiver (LP-WUR) in accordance with one or more aspects of the present disclosure is illustrated.

[0006] Figure 2 An example of a wireless communication system supporting techniques for performing a cell reselection procedure using LP-WUR according to one or more aspects of the present disclosure is illustrated.

[0007] Figure 3 An example of resource configuration supporting a technique for performing a cell reselection procedure using LP-WUR according to one or more aspects of the present disclosure is illustrated.

[0008] Figure 4 An example of a process flow supporting techniques for performing a cell reselection procedure using LP-WUR in accordance with one or more aspects of the present disclosure is illustrated.

[0009] Figure 5 and Figure 6 A block diagram illustrating a device supporting techniques for performing a cell reselection procedure using LP-WUR according to one or more aspects of the present disclosure is illustrated.

[0010] Figure 7 A block diagram illustrating a communications manager supporting techniques for performing a cell reselection procedure using LP-WUR in accordance with one or more aspects of the present disclosure is illustrated.

[0011] Figure 8A diagram illustrating a system including devices supporting techniques for performing a cell reselection procedure using LP-WUR in accordance with one or more aspects of the present disclosure is illustrated.

[0012] Figure 9 and Figure 10 A block diagram illustrating a device supporting techniques for performing a cell reselection procedure using LP-WUR according to one or more aspects of the present disclosure is illustrated.

[0013] Figure 11 A block diagram illustrating a communications manager supporting techniques for performing a cell reselection procedure using LP-WUR in accordance with one or more aspects of the present disclosure is illustrated.

[0014] Figure 12 A diagram illustrating a system including devices supporting techniques for performing a cell reselection procedure using LP-WUR in accordance with one or more aspects of the present disclosure is illustrated.

[0015] Figures 13 to 15 A flow chart illustrating a method supporting techniques for performing a cell reselection procedure using LP-WUR according to one or more aspects of the present disclosure is illustrated. DETAILED DESCRIPTION

[0016] In some wireless communications, the main radio component (e.g., baseband component) of a user equipment (UE) may enter a low power operating mode (e.g., an idle / inactive state) in order to save power. During the time interval when the main radio component is in low power mode, a separate low power wake-up receiver (LP-WUR) may monitor for a wake-up signal (WUS) indicating whether there is data traffic waiting to be delivered to the UE. If the LP-WUR detects a WUS, the LP-WUR may trigger the main radio component to "wake up" so that the UE can receive data traffic. However, the main radio component of the UE may still be expected to wake up periodically to perform measurements on reference signals in order to perform radio resource management (RRM) procedures. In other words, the main radio component may still be expected to enter a higher power mode in order to perform a cell reselection procedure. Thus, the power savings provided by the LP-WUR may be limited in cases where the main radio component must wake up frequently to perform cell selection related measurements.

[0017] Thus, aspects of the present disclosure relate to techniques that enable a LP-WUR of a UE to perform measurements associated with a cell selection / reselection process. In other words, aspects of the present disclosure may enable the LP-WUR to perform measurements on a synchronization signal (SS) and trigger a cell selection / reselection process during a time interval when the main radio component of the UE is in a low power mode, such as an idle / inactive mode. For example, the LP-WUR of the UE may receive an SS from a first serving cell during a time interval when the main radio component of the UE (e.g., a baseband component) is in a low power mode (e.g., during a time interval when the baseband component is in an idle or inactive operating state). In this example, the LP-WUR may perform measurements on the received SS and may evaluate whether to trigger a cell selection / reselection process based on the measurements. Thus, the techniques described herein may enable the main radio component to remain in a low power state for a longer duration, thereby reducing power consumption at the UE.

[0018] In some cases, the SS received by the LP-WUR may include a synchronization signal block (SSB) used by the primary radio component to perform cell selection-related measurements. In other cases, the SS received by the LP-WUR may include an LP-SS (LP-SS) that is different from the SSB. For example, compared to the SSB, the LP-SSB may utilize a different modulation scheme (e.g., an on-off keying (OOK) modulation scheme, an orthogonal frequency domain modulation (OFDM) scheme, etc.) and may exhibit different parameters (e.g., different transmit power, different periodicity). In some cases, the UE may report the ability to receive the LP-SS using the LP-WUR.

[0019] In some aspects, different levels of complexity of the LP-WUR may enable the LP-WUR to receive SS from different serving cells and / or in different frequency bands while the main radio is dormant in order to perform a cell reselection procedure. For example, in some cases, the LP-WUR may only be able to receive SS from the currently active serving cell. In other cases, the LP-WUR may additionally be able to receive SS from other cells in the same frequency range (e.g., intra-frequency cells) and / or from other cells in other frequency ranges (e.g., inter-frequency cells).

[0020] Various aspects of the present disclosure are first described in the context of a wireless communication system. Additional aspects of the present disclosure are described in the context of example resource configurations and example process flows. Various aspects of the present disclosure are further illustrated and described with reference to apparatus diagrams, system diagrams, and flow charts related to performing a cell reselection process using LP-WUR.

[0021] Figure 1An example of a wireless communication system 100 that supports techniques for performing a cell reselection procedure using LP-WUR according to one or more aspects of the present disclosure is illustrated. The wireless communication system 100 may include one or more network entities 105, one or more UEs 115, and a core network 130. In some examples, the wireless communication system 100 may be a Long Term Evolution (LTE) network, an Advanced LTE (LTE-A) network, an LTE-A Pro network, a New Radio (NR) network, or a network operating according to other systems and radio technologies, including future systems and radio technologies not explicitly mentioned herein.

[0022] The network entities 105 may be dispersed throughout a geographic area to form the wireless communication system 100 and may include devices in different forms or with different capabilities. In various examples, the network entities 105 may be referred to as network elements, mobility elements, radio access network (RAN) nodes, or network equipment, among other nomenclature. In some examples, the network entities 105 and the UEs 115 may communicate wirelessly via one or more communication links 125 (e.g., radio frequency (RF) access links). For example, the network entities 105 may support a coverage area 110 (e.g., a geographic coverage area) within which the UEs 115 and the network entities 105 may establish one or more communication links 125. The coverage area 110 may be an example of a geographic area within which the network entities 105 and the UEs 115 may support signal communication according to one or more radio access technologies (RATs).

[0023] The UEs 115 may be dispersed throughout the coverage area 110 of the wireless communication system 100, and each UE 115 may be stationary or mobile or both stationary and mobile at different times. The UEs 115 may be devices that take different forms or have different capabilities. Figure 1 Some example UEs 115 are illustrated in FIG. The UEs 115 described herein may be capable of supporting communication with various types of devices, such as Figure 1 105 or other UEs 115 or network entities 105 as shown.

[0024] As described herein, a node of the wireless communication system 100 (which may be referred to as a network node or wireless node) may be a network entity 105 (e.g., any network entity described herein), a UE 115 (e.g., any UE described herein), a network controller, an apparatus, a device, a computing system, one or more components, or another suitable processing entity configured to perform any of the techniques described herein. For example, the node may be a UE 115. As another example, the node may be a network entity 105. As another example, a first node may be configured to communicate with a second node or a third node. In one aspect of this example, the first node may be a UE 115, the second node may be a network entity 105, and the third node may be a UE 115. In another aspect of this example, the first node may be a UE 115, the second node may be a network entity 105, and the third node may be a network entity 105. In other aspects of this example, the first node, the second node, and the third node may be different relative to these examples. Similarly, references to UE 115, network entity 105, apparatus, device, computing system, etc. may include disclosure of UE 115, network entity 105, apparatus, device, computing system, etc. as nodes. For example, a disclosure that UE 115 is configured to receive information from network entity 105 also discloses that the first node is configured to receive information from the second node.

[0025] In some examples, network entities 105 can communicate with core network 130, with each other, or both. For example, network entities 105 can communicate with core network 130 via one or more backhaul communication links 120 (e.g., according to S1, N2, N3, or other interface protocols). In some examples, network entities 105 can communicate with each other directly (e.g., directly between network entities 105) or indirectly (e.g., via core network 130) via backhaul communication links 120 (e.g., according to X2, Xn, or other interface protocols). In some examples, network entities 105 can communicate with each other via midhaul communication links 162 (e.g., according to a midhaul interface protocol) or fronthaul communication links 168 (e.g., according to a fronthaul interface protocol), or any combination thereof. Backhaul communication links 120, midhaul communication links 162, or fronthaul communication links 168 can be or include one or more wired links (e.g., electrical links, fiber optic links), one or more wireless links (e.g., radio links, wireless optical links), etc., or various combinations thereof. UE 115 may communicate with core network 130 via communication link 155 .

[0026] One or more of the network entities 105 described herein may include or may be referred to as a base station 140 (e.g., a transceiver base station, a radio base station, an NR base station, an access point, a radio transceiver, a Node B, an eNodeB (eNB), a next-generation Node B, or a gigabit Node B (any of which may be referred to as a gNB), a 5G NB, a next-generation eNB (ng-eNB), a Home Node B, a Home eNodeB, or other suitable terminology). In some examples, the network entity 105 (e.g., a base station 140) may be implemented in a converged (e.g., monolithic, stand-alone) base station architecture that may be configured to utilize a protocol stack that is physically or logically integrated within a single network entity 105 (e.g., a single RAN node, such as the base station 140).

[0027] In some examples, the network entity 105 can be implemented in a disaggregated architecture (e.g., a disaggregated base station architecture, a disaggregated RAN architecture) that can be configured to utilize a protocol stack that is physically or logically distributed between two or more network entities 105, such as an integrated access backhaul (IAB) network, an open RAN (O-RAN) (e.g., a network configuration sponsored by the O-RAN Alliance), or a virtualized RAN (vRAN) (e.g., a cloud RAN (C-RAN)). For example, the network entity 105 can include one or more of the following: a central unit (CU) 160, a distributed unit (DU) 165, a radio unit (RU) 170, a RAN intelligent controller (RIC) 175 (e.g., a near real-time RIC (near RT RIC), a non-real-time RIC (non-RT RIC)), a service management and orchestration (SMO) 180 system, or any combination thereof. The RU 170 may also be referred to as a radio head, smart radio head, remote radio head (RRH), remote radio unit (RRU), or transmit receive point (TRP). One or more components of the network entity 105 in the disaggregated RAN architecture may be co-located, or one or more components of the network entity 105 may be located in distributed locations (e.g., separate physical locations). In some examples, one or more network entities 105 of the disaggregated RAN architecture may be implemented as virtual units (e.g., virtual CU (VCU), virtual DU (VDU), virtual RU (VRU)).

[0028] The functional split between CU 160, DU 165, and RU 170 is flexible and can support different functions depending on which functions (e.g., network layer functions, protocol layer functions, baseband functions, RF functions, and any combination thereof) are performed at CU 160, DU 165, or RU 170. For example, a functional split of the protocol stack can be employed between CU 160 and DU 165 such that CU 160 can support one or more layers of the protocol stack and DU 165 can support one or more different layers of the protocol stack. In some examples, CU 160 can host higher protocol layer (e.g., Layer 3 (L3), Layer 2 (L2)) functions and signaling (e.g., Radio Resource Control (RRC), Service Data Adaptation Protocol (SDAP), Packet Data Convergence Protocol (PDCP)). The CU 160 may be connected to one or more DUs 165 or RUs 170, and the one or more DUs 165 or RUs 170 may host lower protocol layers, such as Layer 1 (L1) (e.g., physical (PHY) layer) or L2 (e.g., radio link control (RLC) layer, medium access control (MAC) layer) functionality and signaling, and may each be at least partially controlled by the CU 160. Additionally or alternatively, a functional split of the protocol stack may be employed between the DU 165 and the RU 170, such that the DU 165 may support one or more layers of the protocol stack and the RU 170 may support one or more different layers of the protocol stack. The DU 165 may support one or more different cells (e.g., via one or more RUs 170). In some cases, the functional split between the CU 160 and the DU 165 or between the DU 165 and the RU 170 can be within the protocol layer (e.g., some functions of the protocol layer can be performed by one of the CU 160, DU 165, or RU 170, while other functions of the protocol layer are performed by a different one of the CU 160, DU 165, or RU 170). The CU 160 can be further functionally split into CU control plane (CU-CP) and CU user plane (CU-UP) functions. The CU 160 can be connected to one or more DUs 165 via midhaul communication links 162 (e.g., F1, F1-c, F1-u), and the DU 165 can be connected to one or more RUs 170 via fronthaul communication links 168 (e.g., open fronthaul (FH) interface). In some examples, midhaul communication link 162 or fronthaul communication link 168 may be implemented according to interfaces (eg, channels) between layers of a protocol stack supported by respective network entities 105 communicating via these communication links.

[0029] In some wireless communication systems (e.g., wireless communication system 100), the infrastructure and spectrum resources for radio access may support wireless backhaul link capabilities to supplement wired backhaul connections, thereby providing an IAB network architecture (e.g., to the core network 130). In some cases, in an IAB network, one or more network entities 105 (e.g., IAB nodes 104) may be partially controlled by each other. One or more IAB nodes 104 may be referred to as a donor entity or IAB donor. One or more DUs 165 or one or more RUs 170 may be partially controlled by one or more CUs 160 associated with a donor network entity 105 (e.g., a donor base station 140). One or more donor network entities 105 (e.g., IAB donors) may communicate with one or more additional network entities 105 (e.g., IAB nodes 104) via supported access and backhaul links (e.g., backhaul communication links 120). The IAB node 104 may include an IAB mobile terminal (IAB-MT) controlled (e.g., scheduled) by the DU 165 of the coupled IAB donor. The IAB-MT may include an independent set of antennas for relaying communications with the UE 115, or may share the same antennas of the IAB node 104 (e.g., RU 170) for access via the DU 165 of the IAB node 104 (e.g., referred to as a virtual IAB-MT (vIAB-MT)). In some examples, the IAB node 104 may include a DU 165 that supports communication links with additional entities (e.g., IAB node 104, UE 115) within a relay chain or configuration (e.g., downstream) of the access network. In such cases, one or more components of the decomposed RAN architecture (e.g., one or more IAB nodes 104 or components of the IAB node 104) may be configured to operate according to the techniques described herein.

[0030] For example, an access network (AN) or RAN may include an access node (e.g., an IAB donor), communications between the IAB node 104 and one or more UEs 115. The IAB donor may facilitate connectivity between the core network 130 and the AN (e.g., via a wired or wireless connection to the core network 130). That is, the IAB donor may refer to a RAN node that has a wired or wireless connection to the core network 130. The IAB donor may include a CU 160 and at least one DU 165 (e.g., and RU 170), in which case the CU 160 may communicate with the core network 130 via an interface (e.g., a backhaul link). The IAB donor and the IAB node 104 may communicate via an F1 interface according to a protocol that defines signaling messages (e.g., the F1AP protocol). Additionally or alternatively, CU 160 may communicate with the core network via an interface (which may be an example of part of a backhaul link) and may communicate with other CUs 160 (e.g., CUs 160 associated with alternative IAB donors) via an Xn-C interface (which may be an example of part of a backhaul link).

[0031] An IAB node 104 may refer to a RAN node that provides IAB functionality (e.g., access for UE 115, wireless self-backhaul capabilities, etc.). The DU 165 may act as a distributed scheduling node toward child nodes associated with the IAB node 104, and the IAB-MT may act as a scheduled node toward a parent node associated with the IAB node 104. That is, an IAB donor may be referred to as a parent node that communicates with one or more child nodes (e.g., the IAB donor may relay UE transmissions through one or more other IAB nodes 104). Additionally or alternatively, depending on the relay chain or configuration of the AN, the IAB node 104 may also be referred to as a parent node or child node of other IAB nodes 104. Thus, the IAB-MT entity of the IAB node 104 may provide a Uu interface for the child IAB node 104 to receive signaling from the parent IAB node 104, and a DU interface (e.g., DU 165) may provide a Uu interface for the parent IAB node 104 to signal to the child IAB node 104 or the UE 115.

[0032] For example, IAB node 104 may be referred to as a parent node supporting communications for child IAB nodes, or as a child IAB node associated with an IAB donor, or both. The IAB donor may include a CU 160 having a wired or wireless connection to the core network 130 (e.g., backhaul communication link 120) and may serve as a parent node for IAB node 104. For example, the DU 165 of the IAB donor may relay transmissions to UE 115 via IAB node 104, or may directly signal the transmissions to UE 115, or both. The CU 160 of the IAB donor may signal the establishment of a communication link to IAB node 104 via the F1 interface, and IAB node 104 may schedule transmissions (e.g., transmissions relayed from the IAB donor to UE 115) via the DU 165. That is, data may be relayed to and from IAB node 104 via signaling via the NR Uu interface of the MT to IAB node 104. Communications with the IAB node 104 may be scheduled by the DU 165 of the IAB donor, and communications with the IAB node 104 may be scheduled by the DU 165 of the IAB node 104 .

[0033] Where the techniques described herein are applied to the context of a disaggregated RAN architecture, one or more components of the disaggregated RAN architecture may be configured to support the techniques described herein for performing a cell reselection procedure using LP-WUR. For example, some operations described as being performed by a UE 115 or a network entity 105 (e.g., a base station 140) may additionally or alternatively be performed by one or more components of the disaggregated RAN architecture (e.g., an IAB node 104, a DU 165, a CU 160, a RU 170, a RIC 175, a SMO 180).

[0034] UE 115 may include or may be referred to as a mobile device, a wireless device, a remote device, a handheld device, or a subscriber device, or some other suitable terminology, where "device" may also be referred to as a unit, a station, a terminal, or a client, etc. UE 115 may also include or may be referred to as a personal electronic device, such as a cellular phone, a personal digital assistant (PDA), a tablet computer, a laptop computer, or a personal computer. In some examples, UE 115 may include or may be referred to as a wireless local loop (WLL) station, an Internet of Things (IoT) device, an Internet of Everything (IoE) device, or a machine type communication (MTC) device, etc., which may be implemented in various objects, such as appliances or vehicles, meters, etc.

[0035] The UE 115 described herein may be capable of communicating with various types of devices, such as other UEs 115, which may sometimes act as relays, as well as network entities 105 and network equipment including macro eNBs or gNBs, small cell eNBs or gNBs, or relay base stations, etc. Figure 1 shown.

[0036] The UE 115 and the network entity 105 can communicate wirelessly with each other via one or more communication links 125 (e.g., access links) using resources associated with one or more carriers. The term "carrier" can refer to a set of RF spectrum resources having a physical layer structure defined for supporting the communication link 125. For example, a carrier used for the communication link 125 can include a portion of an RF spectrum band (e.g., a bandwidth portion (BWP)) that operates according to one or more physical layer channels for a given radio access technology (e.g., LTE, LTE-A, LTE-A Pro, NR). Each physical layer channel can carry acquisition signaling (e.g., SS, system information), control signaling for coordinating carrier operations, user data, or other signaling. The wireless communication system 100 can support communications with the UE 115 using carrier aggregation or multi-carrier operation. Depending on the carrier aggregation configuration, the UE 115 can be configured with multiple downlink component carriers and one or more uplink component carriers. Carrier aggregation can be used for both frequency division duplex (FDD) and time division duplex (TDD) component carriers. Communication between the network entity 105 and other devices may refer to communication between those devices and any portion (e.g., entity, sub-entity) of the network entity 105. For example, the terms "send," "receive," or "communicate" when referring to the network entity 105 may refer to any portion of the network entity 105 (e.g., base station 140, CU 160, DU 165, RU 170) of the RAN communicating with another device (e.g., directly or via one or more other network entities 105).

[0037] In some examples, such as in a carrier aggregation configuration, a carrier may also have acquisition signaling or control signaling that coordinates the operation of other carriers. A carrier may be associated with a frequency channel (e.g., an Evolved Universal Mobile Telecommunications System Terrestrial Radio Access (E-UTRA) Absolute RF Channel Number (EARFCN)) and may be identified according to a channel raster used for discovery by UE 115. A carrier may operate in a standalone mode, in which case initial acquisition and connection by UE 115 may occur via the carrier, or a carrier may operate in a non-standalone mode, in which case a different carrier (e.g., of the same or different radio access technology) is used to anchor the connection.

[0038] The communication link 125 shown in the wireless communication system 100 may include downlink transmissions (e.g., forward link transmissions) from the network entity 105 to the UE 115, uplink transmissions (e.g., return link transmissions) from the UE 115 to the network entity 105, or both, as well as other transmission configurations. A carrier may carry downlink communications or uplink communications (e.g., in FDD mode), or may be configured to carry both downlink and uplink communications (e.g., in TDD mode).

[0039] A carrier may be associated with a particular bandwidth of RF spectrum, and in some examples, the carrier bandwidth may be referred to as the "system bandwidth" of the carrier or wireless communication system 100. For example, the carrier bandwidth may be one of a set of bandwidths of carriers of a particular radio access technology (e.g., 1.4 megahertz (MHz), 3 MHz, 5 MHz, 10 MHz, 15 MHz, 20 MHz, 40 MHz, or 80 MHz). A device of the wireless communication system 100 (e.g., a network entity 105, a UE 115, or both) may have a hardware configuration that supports communication using a particular carrier bandwidth, or may be capable of being configured to support communication using one of the set of carrier bandwidths. In some examples, the wireless communication system 100 may include a network entity 105 or a UE 115 that supports concurrent communication using carriers associated with multiple carrier bandwidths. In some examples, each served UE 115 may be configured to operate using a portion (e.g., a subband, a BWP) or all of the carrier bandwidth.

[0040] The signal waveform transmitted via the carrier may include multiple subcarriers (e.g., using a multicarrier modulation (MCM) technique such as orthogonal frequency division multiplexing (OFDM) or discrete Fourier transform spread OFDM (DFT-S-OFDM)). In a system employing MCM techniques, a resource element may refer to the resource of one symbol period (e.g., the duration of one modulation symbol) and one subcarrier, in which case the symbol period and subcarrier spacing may be inversely related. The number of bits carried by each resource element may depend on the modulation scheme (e.g., the order of the modulation scheme, the coding rate of the modulation scheme, or both), such that a relatively high number of resource elements (e.g., in the transmission duration) and a relatively high order modulation scheme may correspond to a relatively high communication rate. Wireless communication resources may refer to a combination of RF spectrum resources, time resources, and spatial resources (e.g., spatial layers or beams), and the use of multiple spatial resources may increase the data rate or data integrity used for communication with UE 115.

[0041] One or more parameter sets for a carrier may be supported, and the parameter set may include subcarrier spacing (Δ"Ω) and a cyclic prefix. A carrier may be divided into one or more BWPs with the same or different parameter sets. In some examples, a UE 115 may be configured with multiple BWPs. In some examples, a single BWP for a carrier may be active at a given time, and communications of the UE 115 may be constrained to the one or more active BWPs.

[0042] The time interval for the network entity 105 or the UE 115 may be expressed in multiples of a basic time unit, which may be, for example, a sampling period. seconds, where Δ"Ω may represent the supported subcarrier spacing, and The supported discrete Fourier transform (DFT) size may be indicated. Time intervals of communication resources may be organized according to radio frames, each having a specified duration (e.g., 10 milliseconds (ms)). Each radio frame may be identified by a system frame number (SFN) (e.g., in the range of 0 to 1023).

[0043] Each frame may include a plurality of consecutively numbered subframes or time slots, and each subframe or time slot may have the same duration. In some examples, a frame may be divided (e.g., in the time domain) into subframes, and each subframe may be further divided into a certain number of time slots. Alternatively, each frame may include a variable number of time slots, and the number of time slots may depend on the subcarrier spacing. Each time slot may include a certain number of symbol periods (e.g., depending on the length of the cyclic prefix appended to the front of each symbol period). In some wireless communication systems 100, the time slot may be further divided into a plurality of mini-slots associated with one or more symbols. Excluding the cyclic prefix, each symbol period may be associated with one or more (e.g., The duration of a symbol period may depend on the subcarrier spacing or the operating frequency band.

[0044] A subframe, slot, mini-slot, or symbol may be the smallest scheduling unit (e.g., in the time domain) of the wireless communication system 100 and may be referred to as a Transmit Time Interval (TTI). In some examples, the TTI duration (e.g., the number of symbol periods in a TTI) may be variable. Additionally or alternatively, the smallest scheduling unit of the wireless communication system 100 may be dynamically selected (e.g., in bursts of shortened TTIs (sTTIs)).

[0045] Physical channels may be multiplexed according to various techniques for communication using a carrier. For example, physical control channels and physical data channels may be multiplexed using one or more of time division multiplexing (TDM), frequency division multiplexing (FDM), or hybrid TDM-FDM techniques for signaling via a downlink carrier. A control region (e.g., a control resource set (CORESET)) of a physical control channel may be defined by a set of symbol periods and may extend across the system bandwidth of a carrier or a subset of that bandwidth. One or more control regions (e.g., CORESETs) may be configured for a set of UEs 115. For example, one or more of UEs 115 may monitor or search the control region for control information according to one or more search space sets, and each search space set may include one or more control channel candidates in one or more aggregation levels arranged in a cascaded manner. The aggregation level of a control channel candidate may refer to the amount of control channel resources (e.g., control channel elements (CCEs)) associated with coded information for a control information format having a given payload size. The search space sets may include a common search space set configured for transmitting control information to multiple UEs 115 and a UE-specific search space set for transmitting control information to a specific UE 115 .

[0046] The network entity 105 may provide communication coverage via one or more cells (e.g., macro cells, small cells, hotspots, or other types of cells, or any combination thereof). The term "cell" may refer to a logical communication entity used to communicate with the network entity 105 (e.g., using a carrier) and may be associated with an identifier (e.g., a physical cell identifier (PCID), a virtual cell identifier (VCID), or other identifier) ​​used to distinguish between adjacent cells. In some examples, a cell may also refer to a coverage area 110 or a portion of a coverage area 110 (e.g., a sector) within which the logical communication entity operates. Depending on various factors (such as the capabilities of the network entity 105), such cells may range from smaller areas (e.g., structures, subsets of structures) to larger areas. For example, a cell may be or may include a building, a subset of a building, or an external space between or overlapping coverage areas 110, etc.

[0047] A macro cell generally covers a relatively large geographic area (e.g., several kilometers in radius) and may allow unrestricted access to UEs 115 that have a service subscription with a network provider that supports the macro cell. Small cells may be associated with lower-power network entities 105 (e.g., lower-power base stations 140) than macro cells, and may operate using the same or different (e.g., licensed, unlicensed) frequency bands as the macro cells. Small cells may provide unrestricted access to UEs 115 that have a service subscription with the network provider, or may provide restricted access to UEs 115 associated with the small cell (e.g., UEs 115 in a closed subscriber group (CSG), UEs 115 associated with users in a home or office). A network entity 105 may support one or more cells and may also use one or more component carriers to support communications via the one or more cells.

[0048] In some examples, a carrier may support multiple cells, and different cells may be configured according to different protocol types (e.g., MTC, narrowband IoT (NB-IoT), enhanced mobile broadband (eMBB)) that may provide access to different types of devices.

[0049] In some examples, network entities 105 (e.g., base stations 140, RUs 170) can be mobile and, therefore, provide communication coverage for mobile coverage areas 110. In some examples, different coverage areas 110 associated with different technologies can overlap, but the different coverage areas 110 can be supported by the same network entity 105. In some other examples, overlapping coverage areas 110 associated with different technologies can be supported by different network entities 105. The wireless communication system 100 can include, for example, a heterogeneous network in which different types of network entities 105 provide coverage for various coverage areas 110 using the same or different radio access technologies.

[0050] Some UEs 115 may be configured to employ an operating mode that reduces power consumption, such as half-duplex communication (e.g., a mode that supports unidirectional communication via transmission or reception but does not transmit and receive concurrently). In some examples, half-duplex communication may be performed at a reduced peak rate. Other power conservation techniques for UEs 115 include entering a power-saving deep sleep mode when not engaged in active communications, operating using limited bandwidth (e.g., according to narrowband communication), or a combination of these techniques. For example, some UEs 115 may be configured to operate using a narrowband protocol type that is associated with a defined portion or range (e.g., a set of subcarriers or resource blocks (RBs)) within a carrier, within a guard band of a carrier, or outside a carrier.

[0051] The wireless communication system 100 can be configured to support ultra-reliable communication or low-latency communication or various combinations thereof. For example, the wireless communication system 100 can be configured to support ultra-reliable low-latency communication (URLLC). The UE 115 can be designed to support ultra-reliable or low-latency or critical functions. Ultra-reliable communication can include private communication or group communication and can be supported by one or more services (such as push-to-talk, video or data). Support for ultra-reliable, low-latency functions can include prioritization of services, and such services can be used for public safety or general commercial applications. The terms ultra-reliable, low-latency and ultra-reliable low-latency can be used interchangeably in this article.

[0052] In some examples, a UE 115 can be configured to support communication directly with other UEs 115 via a device-to-device (D2D) communication link 135 (e.g., according to a peer-to-peer (P2P), D2D, or sidelink protocol). In some examples, one or more UEs 115 in a group performing D2D communication can be within a coverage area 110 of a network entity 105 (e.g., a base station 140, a RU 170), which can support aspects of such D2D communication configured (e.g., scheduled) by the network entity 105. In some examples, one or more UEs 115 in such a group can be outside of the coverage area 110 of the network entity 105 or can otherwise be unable or not configured to receive transmissions from the network entity 105. In some examples, a group of UEs 115 communicating via D2D communication can support a one-to-many (1:M) system, in which each UE 115 transmits to each of the other UEs 115 in the group. In some examples, network entity 105 may facilitate scheduling of resources for D2D communications. In some other examples, D2D communications may be performed between UEs 115 without involving network entity 105.

[0053] In some systems, the D2D communication link 135 can be an example of a communication channel (such as a sidelink communication channel) between vehicles (e.g., UE 115). In some examples, the vehicles can communicate using vehicle-to-everything (V2X) communication, vehicle-to-vehicle (V2V) communication, or some combination thereof. The vehicles can signal information related to traffic conditions, signal scheduling, weather, safety, emergency situations, or any other information related to the V2X system. In some examples, the vehicles in the V2X system can communicate with roadside infrastructure (such as roadside units) or communicate with the network via one or more network nodes (e.g., network entity 105, base station 140, RU 170) using vehicle-to-network (V2N) communication, or both.

[0054] The core network 130 may provide user authentication, access authorization, tracking, Internet Protocol (IP) connectivity, and other access, routing, or mobility functions. The core network 130 may be an evolved packet core (EPC) or a 5G core (5GC), which may include at least one control plane entity (e.g., a mobility management entity (MME), an access and mobility management function (AMF)) for managing access and mobility and at least one user plane entity (e.g., a serving gateway (S-GW), a packet data network (PDN) gateway (P-GW), or a user plane function (UPF)) for routing packets or interconnecting to external networks. The control plane entity may manage non-access stratum (NAS) functions such as mobility, authentication, and bearer management for UEs 115 served by network entities 105 (e.g., base stations 140) associated with the core network 130. User IP packets may be transferred through the user plane entity, which may provide IP address allocation and other functions. The user plane entity may be connected to the IP services 150 of one or more network operators. IP services 150 may include access to the Internet, an intranet, an IP Multimedia Subsystem (IMS), or packet-switched streaming services.

[0055] The wireless communication system 100 can operate using one or more frequency bands that can range from 300 megahertz (MHz) to 300 gigahertz (GHz). Generally speaking, the region from 300 MHz to 3 GHz is referred to as the ultra-high frequency (UHF) region or decimeter band because the wavelengths range from about one decimeter to one meter in length. UHF waves can be blocked or redirected by buildings and environmental features (which can be referred to as clusters), but these waves can penetrate structures sufficiently for a macro cell to provide service to a UE 115 located indoors. Communication using UHF waves can be associated with smaller antennas and a shorter range (e.g., less than 100 kilometers) than communication using the smaller frequencies and longer wavelengths of the high frequency (HF) or very high frequency (VHF) portions of the spectrum below 300 MHz.

[0056] The wireless communication system 100 can utilize both licensed and unlicensed RF spectrum bands. For example, the wireless communication system 100 can use unlicensed bands (such as the 5 GHz Industrial, Scientific, and Medical (ISM) band) to employ license-assisted access (LAA), LTE-unlicensed (LTE-U) radio access technology, or NR technology. When operating using unlicensed RF spectrum bands, devices such as the network entity 105 and the UE 115 can employ carrier sensing for conflict detection and avoidance. In some examples, operations using unlicensed bands can be based on a carrier aggregation configuration (e.g., LAA) in conjunction with component carriers operating using licensed bands. Operations using the unlicensed spectrum can include downlink transmissions, uplink transmissions, P2P transmissions, or D2D transmissions, among others.

[0057] A network entity 105 (e.g., a base station 140, a RU 170) or a UE 115 may be equipped with multiple antennas that can be used to employ techniques such as transmit diversity, receive diversity, multiple-input, multiple-output (MIMO) communications, or beamforming. The antennas of the network entity 105 or UE 115 may be located within one or more antenna arrays or antenna panels, which may support MIMO operations or transmit or receive beamforming. For example, one or more base station antennas or antenna arrays may be co-located at an antenna assembly, such as an antenna tower. In some examples, the antennas or antenna arrays associated with the network entity 105 may be located at different geographic locations. The network entity 105 may include an antenna array having a set of multiple rows and columns of antenna ports that the network entity 105 may use to support beamforming for communications with the UE 115. Similarly, the UE 115 may include one or more antenna arrays that may support various MIMO or beamforming operations. Additionally or alternatively, the antenna panels may support RF beamforming for signals transmitted via the antenna ports.

[0058] The network entity 105 or the UE 115 may use MIMO communication to exploit multipath signal propagation and improve spectral efficiency by sending or receiving multiple signals via different spatial layers. Such a technique may be referred to as spatial multiplexing. The multiple signals may be sent, for example, by a transmitting device via different antennas or different combinations of antennas. Similarly, the multiple signals may be received by a receiving device via different antennas or different combinations of antennas. Each of the multiple signals may be referred to as a separate spatial stream and may carry information associated with the same data stream (e.g., the same codeword) or different data streams (e.g., different codewords). Different spatial layers may be associated with different antenna ports for channel measurement and reporting. MIMO techniques include single-user MIMO (SU-MIMO), for which multiple spatial layers are sent to the same receiving device, and multi-user MIMO (MU-MIMO), for which multiple spatial layers are sent to multiple devices.

[0059] Beamforming (which may also be referred to as spatial filtering, directional transmission, or directional reception) is a signal processing technique that can be used at a transmitting device or a receiving device (e.g., a network entity 105, a UE 115) to shape or steer an antenna beam (e.g., a transmit beam, a receive beam) along a spatial path between the transmitting device and the receiving device. Beamforming can be achieved by combining signals communicated via antenna elements of an antenna array so that some signals propagating in a particular direction relative to the antenna array experience constructive interference, while other signals experience destructive interference. Adjustments to signals communicated via antenna elements can include the transmitting device or the receiving device applying an amplitude offset, a phase offset, or both to signals carried via antenna elements associated with the device. The adjustments associated with each of these antenna elements can be defined by a set of beamforming weights associated with a particular direction (e.g., relative to the antenna array of the transmitting device or the receiving device or relative to some other direction).

[0060] The network entity 105 or the UE 115 may use beam sweeping techniques as part of a beamforming operation. For example, the network entity 105 (e.g., the base station 140, the RU 170) may use multiple antennas or antenna arrays (e.g., antenna panels) to perform beamforming operations for directional communication with the UE 115. Some signals (e.g., SS, reference signals, beam selection signals, or other control signals) may be transmitted multiple times by the network entity 105 along different directions. For example, the network entity 105 may transmit signals according to different sets of beamforming weights associated with different transmit directions. Transmission along different beam directions may be used to identify (e.g., by a transmitting device (such as the network entity 105) or by a receiving device (such as the UE 115)) the beam direction for later transmission or reception by the network entity 105.

[0061] Some signals, such as data signals associated with a particular receiving device, may be transmitted by a transmitting device (e.g., transmitting network entity 105, transmitting UE 115) along a single beam direction (e.g., a direction associated with a receiving device (e.g., receiving network entity 105 or receiving UE 115)). In some examples, a beam direction associated with transmission along a single beam direction may be determined based on signals transmitted along one or more beam directions. For example, UE 115 may receive one or more of the signals transmitted by network entity 105 along different directions and may report to network entity 105 an indication of the signal received by UE 115 with the highest signal quality or other acceptable signal quality.

[0062] In some examples, transmission by a device (e.g., by network entity 105 or UE 115) may be performed using multiple beam directions, and the device may use a combination of digital precoding or beamforming to generate a combined beam for transmission (e.g., from network entity 105 to UE 115). UE 115 may report feedback indicating precoding weights for one or more beam directions, and the feedback may correspond to a configured set of beams across the system bandwidth or one or more subbands. Network entity 105 may transmit reference signals (e.g., cell-specific reference signals (CRS), channel state information reference signals (CSI-RS)), which may or may not be precoded. UE 115 may provide feedback for beam selection, which may be a precoding matrix indicator (PMI) or codebook-based feedback (e.g., a multi-panel codebook, a linear combination codebook, a port-selective codebook). Although these techniques are described with reference to signals sent by a network entity 105 (e.g., base station 140, RU 170) in one or more directions, UE 115 may use similar techniques to send signals multiple times in different directions (e.g., to identify a beam direction for subsequent transmission or reception by UE 115) or to send signals in a single direction (e.g., to send data to a receiving device).

[0063] A receiving device (e.g., UE 115) may perform reception operations according to multiple reception configurations (e.g., directional listening) when receiving various signals such as SS, reference signals, beam selection signals, or other control signals from a receiving device (e.g., network entity 105). For example, the receiving device may perform reception according to multiple reception directions by: receiving via different antenna subarrays, processing received signals according to different antenna subarrays, receiving according to different receive beamforming weight sets (e.g., different directional listening weight sets) applied to signals received at multiple antenna elements of an antenna array, or processing received signals according to different receive beamforming weight sets applied to signals received at multiple antenna elements of an antenna array, any of which may be referred to as "listening" according to different reception configurations or reception directions. In some examples, the receiving device may use a single reception configuration to receive along a single beam direction (e.g., when receiving a data signal). A single receive configuration may be aligned along a beam direction determined based on listening according to different receive configuration directions (e.g., a beam direction determined to have the highest signal strength, highest signal-to-noise ratio (SNR), or other acceptable signal quality based on listening according to multiple beam directions).

[0064] The wireless communication system 100 may be a packet-based network operating according to a layered protocol stack. In the user plane, communications at the bearer or PDCP layer may be IP-based. The RLC layer may perform packet segmentation and reassembly for communication via logical channels. The MAC layer may perform priority handling and multiplexing of logical channels into transport channels. The MAC layer may also support retransmission using error detection, error correction, or both to improve link efficiency. In the control plane, the RRC layer may provide for the establishment, configuration, and maintenance of RRC connections between the UE 115 and the network entity 105 or core network 130 for radio bearers supporting user plane data. The PHY layer may map transport channels to physical channels.

[0065] UE 115 and network entity 105 may support retransmission of data to increase the likelihood of successful data reception. Hybrid Automatic Repeat Request (HARQ) feedback is a technique for increasing the likelihood of correctly receiving data via a communication link (e.g., communication link 125, D2D communication link 135). HARQ may include a combination of error detection (e.g., using a cyclic redundancy check (CRC)), forward error correction (FEC), and retransmission (e.g., automatic repeat request (ARQ)). HARQ may improve throughput at the MAC layer under poor radio conditions (e.g., low signal-to-noise ratio conditions). In some examples, a device may support same-slot HARQ feedback, in which case the device may provide HARQ feedback in a particular time slot for data received via previous symbols in that time slot. In some other examples, the device may provide HARQ feedback in subsequent time slots or based on some other time interval.

[0066] The UE 115 and the network entity 105 of the wireless communication system 100 may support signaling and mechanisms that enable the LP-WUR of the UE 115 to perform measurements associated with the cell selection / reselection process. In other words, the wireless communication system 100 may support techniques that enable the LP-WUR to perform measurements on the SS and trigger the cell selection / reselection process during time intervals when the primary radio component of the UE 115 is in a low power mode, such as an idle / inactive mode.

[0067] For example, a UE 115 of the wireless communication system 100 may use an LP-WUR to receive a SS from a first serving cell during a time interval when the primary radio component (e.g., baseband component) of the UE 115 is in a low power mode (e.g., during a time interval when the baseband component is in an idle or inactive operating state). In this example, the LP-WUR may perform measurements on the received SS and may evaluate whether to trigger a cell selection / reselection process based on the measurements. Thus, the techniques described herein may enable the primary radio component to remain in a low power state for a longer duration, thereby reducing power consumption at the UE 115.

[0068] In some cases, the SS received by the LP-WUR may include an SSB used by the primary radio component to perform cell selection-related measurements. In other cases, the SS received by the LP-WUR may include an LP-SS (LP-SS) that is different from the SSB. For example, compared to the SSB, the LP-SSB may utilize a different modulation scheme (e.g., an OOK modulation scheme, an OFDM scheme, etc.) and may exhibit different parameters (e.g., different transmit power, different periodicity). In some cases, the UE 115 may report the ability to receive the LP-SS using the LP-WUR.

[0069] In some aspects, different levels of complexity of the LP-WUR may enable the LP-WUR to receive SS from different serving cells and / or in different frequency bands while the main radio is dormant in order to perform a cell reselection procedure. For example, in some cases, the LP-WUR may only be able to receive SS from the currently active serving cell. In other cases, the LP-WUR may additionally be able to receive SS from other cells in the same frequency range (e.g., intra-frequency cells) and / or from other cells in other frequency ranges (e.g., inter-frequency cells).

[0070] The techniques described herein may enable the primary receiver (e.g., baseband component) of the UE 115 to remain in a low-power state (e.g., idle / inactive) for longer durations, thereby reducing power consumption at the UE 115. Specifically, by enabling the LP-WUR to receive SS and perform measurements for the cell reselection process, aspects of the present disclosure may reduce or eliminate the need for the primary radio to "wake up" to perform cell reselection-related measurements, thereby reducing power consumption at the UE 115, improving battery life, and resulting in an overall improved user experience.

[0071] Figure 2 An example of a wireless communication system 200 that supports techniques for performing a cell reselection procedure using LP-WUR in accordance with one or more aspects of the present disclosure is illustrated. Aspects of the wireless communication system 200 may implement or be implemented by aspects of the wireless communication system 100. For example, the wireless communication system 200 illustrates signaling and configuration that enables a UE 115-a to perform a cell selection (and / or cell reselection) procedure using LP-WUR, as previously described herein.

[0072] The wireless communication system 200 may include a UE 115-a, a first serving cell 205-a, and a second serving cell 205-b, which may be as described in reference Figure 1Examples of UE 115, network entity 105, and other wireless devices are described. In some cases, serving cell 205 can be associated with (e.g., supported by) one or more network entities 105. For example, in some cases, first serving cell 205-a and second serving cell 205-b can be associated with (e.g., supported by) the same network entity 105. As another example, in other cases, first serving cell 205-a can be associated with a first network entity 105, and second serving cell 205-b can be associated with a second network entity 105. Serving cells 205 can be associated with the same or different radio access technologies (RATs) (e.g., 3G, 4G, LTE, 5G, NR, 6G, etc.) and can be configured to communicate within the same or different frequency bands.

[0073] In some aspects, UE 115-a may communicate with serving cell 205 via communication links 210-a, 210-b. In some cases, communication link 210 may include an example of an access link (e.g., a Uu link). Communication link 210 may include a bidirectional link that may include both uplink and downlink communications. For example, UE 115-a may use communication link 210-a to send uplink transmissions, such as uplink control signals or uplink data signals, to first serving cell 205-a, and first serving cell 205-a may use communication link 210-a to send downlink transmissions, such as downlink control signals or downlink data signals, to UE 115-a.

[0074] As previously noted herein, in some cases, UE 115-a may include a main radio component 215 (e.g., a baseband component) and an LP-WUR 220 (e.g., a wake-up component). The LP-WUR 220 may include a simple radio receiver circuit (e.g., a processor, a microprocessor, a field programmable gate array (FPGA), an application specific integrated circuit (ASIC)) designed to have very low power consumption.

[0075] In some aspects, the main radio 215 of the UE 115 may be configured to enter a low-power operating mode (e.g., an idle / inactive state) to conserve power. During the time interval that the main radio 215 is in the low-power mode, the LP-WUR 220 may monitor the WUS 230 for an indication of the presence of data traffic waiting to be delivered to the UE 115-a. If the LP-WUR 220 detects the WUS 230, the LP-WUR 220 may send a message (e.g., a trigger 235) to trigger the main radio 215 to “wake up” (e.g., enter an active or connected operating state) so that the UE 115-a can receive the data traffic.

[0076] For reference Figure 3 The use of WUS 230 and LP-WUR 220 is further shown and described.

[0077] Figure 3 An example of a resource configuration 300 that supports techniques for performing a cell reselection procedure using an LP-WUR according to one or more aspects of the present disclosure is illustrated. Aspects of the resource configuration 300 may implement or be implemented by aspects of the wireless communication system 100, the wireless communication system 200, or both. The resource configuration 300 illustrates communications performed by the primary radio 305 of the UE 115 and the LP-WUR 310, which may be Figure 2 Examples of the main radio section 215 and LP-WUR 220 are illustrated in FIG.

[0078] As previously noted herein, when there is no data traffic for the UE 115 to transmit or receive, the primary radio 305 (e.g., baseband component) of the UE 115 can be in an ultra-low power state (ULS), wherein the LP-WUR 310 is configured to continue actively monitoring the LP-WUS 325 while the primary radio 305 is in the ULS. For example, the LP-WUR 310 can be configured to monitor the WUS 325 within a set of monitoring opportunities 315, which can be preconfigured or signaled by the network. The monitoring opportunities 315 can be configured at regular or irregular intervals, such as according to a periodicity 320. In some aspects, the monitoring opportunities 315 can be associated with the SSs 345-a, 345-b (e.g., the LP-SS 345) monitored and received by the LP-WUR 310 in order to synchronize the time and frequency resources associated with the WUS 325 communicated via the monitoring opportunities 315.

[0079] In this example, the LP-WUR 310 may not detect the WUS 325 in the first monitoring opportunity 315-a. As a result, the primary radio 305 may remain in a low-power operating state (e.g., if the LP-WUS 325 is not detected, the primary radio 305 may remain in deep sleep or ULPS mode for power conservation). In contrast, the network (e.g., the active serving cell) may identify data to be communicated to the UE 115 and may send the LP-WUS 325 in the second monitoring opportunity 315-b. In this regard, the LP-WUR 310 may identify the LP-WUS 325 in the second monitoring opportunity 315-b and may thereby send a trigger 365 to the primary radio 305 to instruct the primary radio 305 to wake up (e.g., enter a higher-power operating state) so that the primary radio 305 can receive and / or transmit data traffic. Upon receiving a trigger 365 (e.g., a message instructing the primary radio 305 to wake up), the primary radio 305 may transition from a low-power operating state to a higher-power operating state (e.g., an active or connected state) during a wake-up time 355. The primary radio 305 may then monitor the SSB 350 from the network for synchronization (e.g., time / frequency resource synchronization) in order to receive a paging message within a paging occasion 360.

[0080] In this regard, the UE 115-a may utilize the WUS 325 to reduce unnecessary page reception. If there is a page for the UE 115 in idle mode (e.g., RRC_IDLE) or inactive mode (e.g., RRC_INACTIVE), the network (e.g., the serving cell 205) may be configured to send the LP-WUS 230. In some aspects, the LP-WUS 325 may include a preamble 330, a payload 335, and a CRC portion 340. In additional or alternative implementations, the SS 345 may be combined with the LP-WUS 325 such that the SS 345 is included within the LP-WUS 325 (e.g., appended at the beginning or end of the LP-WUS).

[0081] Will refer to it again Figure 2 As described herein, the LP-WUR 220 may be configured to reduce power consumption at the UE 115-a by enabling the primary radio 215 to enter an operating state associated with lower power consumption. However, in some implementations, the primary radio 215 of the UE 115-a may still be expected to periodically wake up to receive a reference signal (e.g., Figure 3350) in order to perform RRM procedures. Specifically, even when in an idle / inactive state, UE 115-a may still be expected to perform measurements for cell reselection to determine whether to camp on the current serving cell 205 or a new (better) serving cell 205.

[0082] For example, in some cases, it may be desirable for the primary radio component 215 (e.g., baseband component) to periodically enter a higher power mode / operating state in order to perform measurements on the SSB 350 used to make decisions for a cell reselection process. In this regard, the primary radio component 215 may periodically enter a higher power state in order to perform measurements on the current serving cell 205 (e.g., the first serving cell 205-a) and / or additional serving cells 205 (e.g., the second serving cell 205-b) to evaluate whether criteria (e.g., measurement thresholds) for the cell reselection process are met. If the cell selection criteria are met, the UE 115-a may continue to camp on the currently active serving cell 205-a. In contrast, if the cell selection criteria are not met, the UE 115-a may initiate measurements and cell selection criteria evaluation on neighboring serving cells (e.g., intra-frequency cells and inter-frequency cells), such as the second serving cell 205-b.

[0083] Thus, the power savings provided by the LP-WUR 220 may be limited in situations where the primary radio 215 must frequently wake up to perform cell selection related measurements. In fact, when operating in idle mode, the majority of power consumption at the primary radio 215 may be caused by situations where the primary radio 215 must "wake up" (e.g., transition to active / connected mode) to perform RRM measurements for cell selection.

[0084] Thus, aspects of the present disclosure relate to techniques for enabling the LP-WUR 220 (e.g., a wake-up component) of a UE 115-a to perform measurements associated with a cell selection / reselection process. In other words, aspects of the present disclosure may enable the LP-WUR 220 to perform measurements on the SS 225 and trigger a cell selection / reselection process during time intervals when the primary radio 215 of the UE 115-a is in a low-power mode, such as an idle / inactive mode.

[0085] For example, reference Figure 2 In the wireless communication system 200 illustrated in FIG. 1 , the UE 115 - a may be configured to receive SS 225 using the LP-WUR 220 when the primary radio 215 is in a low power operating state, and perform measurements on the received SS 225 to support a cell reselection process. In some aspects, the SS 225 received by the LP-WUR 220 may include SSBs (e.g., Figure 3In this regard, in some aspects, the LP-WUR 220 may utilize a separate SS 225 to perform time / frequency synchronization.

[0086] In some aspects, the UE 115-a may transmit capability information 240 indicating the UE 115-a's ability to receive SS 225 for a cell reselection process during a time interval when the primary radio 215 is in a low-power state. Additionally, the capability information 240 may indicate what type of SS 225 the LP-WUR 220 is capable of receiving. For example, the capability information 240 may indicate whether the LP-WUR 220 is capable of receiving SSB, LP-SS, or both. In this regard, the LP-WUR 220 may be configured to perform measurements for a cell reselection process using SSBs communicated by the serving cell 205 and / or a separate, dedicated LP-SS 225.

[0087] In some aspects, the LP-SS 225 may be associated with different resources and / or parameters than other types of SS, such as SSB. For example, the LP-SS 225 may be associated with a different waveform than SSB. For example, the LP-SS 225 may be associated with an OOK waveform / modulation scheme, an OFDM-based waveform / modulation scheme, or both. Furthermore, in some cases, the LP-SS 225 may be associated with a different transmit power and / or periodicity than SSB.

[0088] UE 115-a may be configured to receive SS 225 using LP-WUR 220, perform measurements on the received SS 225, and use the measurements to determine whether to trigger a cell reselection procedure. That is, LP-WUR 220 may be configured to compare the measurements performed on the received SS 225 with one or more measurement thresholds to determine whether cell (re)selection criteria are met. In some aspects, if "γ > 0 and "γ > 0, where And among them Then the cell selection criteria (“γ”) may be satisfied (e.g., the RSRP / RSRQ measurements performed on the received SS 225 satisfy the measurement threshold). If the cell (re)selection criteria are satisfied (e.g., if the measurements performed on the received SS 225 satisfy the applicable measurement threshold), the UE 115-a may not trigger a cell reselection procedure and may continue to camp on the current serving cell 205. In contrast, if the cell (re)selection criteria are not satisfied (e.g., if the measurements performed on the received SS 225 fail to satisfy the applicable measurement threshold), the UE 115-a may trigger a cell reselection procedure to switch to a different serving cell 205.

[0089] In some cases, the measurement accuracy of the LP-SS 225 may be different (e.g., worse, less accurate) than that of the SSB. That is, the LP-WUR 220 may be able to measure the LP-SS 225 less accurately than measurements performed on the SSB. As a result, in some implementations, existing cell selection criteria and / or measurement thresholds may not be applicable for LP-SS 225-based serving cell evaluation. In other words, in some cases, measurements performed on the LP-SS 225 for the cell reselection process may be compared to the same or different measurement thresholds than measurements performed on the SSB. Specifically, in some cases, the network may configure a different set of cell selection criteria (e.g., a different set of measurement thresholds) for LP-SS 225-based measurements.

[0090] For example, in some cases, the first serving cell 205-a may send control signaling 245 (e.g., RRC, DCI, system information, MAC-CE) indicating a first set of measurement thresholds or cell selection criteria ("γ") associated with a cell reselection process performed using SSB (e.g., etc.), and a second set of measurement thresholds or cell selection criteria ("γ") associated with a cell reselection process performed using the LP-SS 225 (e.g., wait).

[0091] In some aspects, depending on the capabilities of the UE 115-a and / or the complexity of the LP-WUR 220, the LP-WUR 220 may be configured to receive different types of SS 225. For example, the LP-WUR 220 may be configured to receive LP-SS 225, SSB, or both. Furthermore, depending on the capabilities of the UE 115-a and / or the complexity of the LP-WUR 220, the LP-WUR 220 may be configured to receive SS 225 from different serving cells 205 and / or within different frequency bands (e.g., intra-frequency SS 225, inter-frequency SS 225, or both).

[0092] For example, according to a first implementation (Mode 1), the LP-WUR 220 may only support measurement and cell selection criteria evaluation for the active serving cell 205. In other words, according to the first implementation, the LP-WUR 220 may only be able to measure the SS 225-a received from the active serving cell 205 (e.g., the first serving cell 205-a).

[0093] According to a second embodiment (Mode 2), the LP-WUR 220 may support measurement and cell selection criteria evaluation of the active serving cell 205 and the intra-frequency neighboring serving cells 205. In other words, according to the second embodiment, the LP-WUR 220 may be able to measure SSs 225 (e.g., SSs 225-a, 225-b) received from the active serving cell 205 (e.g., the first serving cell 205-a) and other serving cells 205 (e.g., the second serving cell 205-b), as long as these SSs 225 are received in the same frequency band (e.g., SSs 225-a and SSs 225-b are in the same frequency band), because no radio frequency retuning is required.

[0094] According to a third embodiment (Mode 3), the LP-WUR 220 may support measurement and cell selection criteria evaluation for the active serving cell 205 and intra-frequency and inter-frequency neighboring serving cells 205. In other words, according to the third embodiment, the LP-WUR 220 may be able to measure SSs 225 (e.g., SSs 225-a, 225-b) received from the active serving cell 205 (e.g., the first serving cell 205-a) and other serving cells 205 (e.g., the second serving cell 205-b), in which case these SSs 225 may be received in the same or different frequency bands (e.g., SSs 225-a and SSs 225-b may be in the same or different frequency bands). Compared to the first and second embodiments, the third embodiment may be the most complex because it may require the LP-WUR 220 to perform radio frequency retuning to receive SSs 225 in different frequency bands.

[0095] In some implementations, the capability information 240 may indicate whether the UE 115-a supports a first implementation (e.g., mode 1, SS 225 only on the current serving cell 205-a), a second implementation (e.g., mode 2, intra-frequency SS 225), and / or a third implementation (e.g., mode 3, inter-frequency SS 225).

[0096] In some implementations, the LP-WUR 220 can be configured to perform measurements on the SS 225 according to a regular or irregular periodicity. The measurement of the SS 225 may be performed at least once for each number of DRX cycles. In some cases, the DRX cycles for the primary radio 215 and the LP-WUR 220 may be configured separately (e.g., a first DRX cycle for the primary radio 215, a second DRX cycle for the LP-WUR 220). In such cases, the periodicity for measuring the SS 225 may be based on the DRX cycles at the LP-WUR 220 and / or the primary radio 215. Additionally, in some implementations, the DRX cycles may be configured in the past. The LP-WUR 220 can be configured to perform measurements on the SS 225 separated in time by at least 1 / 2 ms. A quantitative measurement.

[0097] In some respects, The values ​​of " and " may be based on parameters of the SS 225 (e.g., parameters of the LP-SS 225), such as waveform type, transmit power, periodicity, measurement accuracy, etc. In addition, in some cases, the network may configure the values ​​of " and ", such as via control signaling 245 (e.g., RRC, system information, SIB, MAC-CE, DCI). In other words, the control signaling 245 may indicate one or more parameters that can be used by the LP-WUR 220 to perform measurements on the SS 225, such as the number of DRX cycles between measurements. Filtering Operation Number of measurements Additionally or alternatively, such parameters may be predefined by the network (eg, defined by a relevant standard associated with the network).

[0098] Examples of various implementations (eg, Mode 1, Mode 2, Mode 3) may be illustrative.

[0099] According to a first embodiment (Mode 1), the LP-WUR 220 may receive the SS 225-a from the currently active serving cell 205-a to evaluate the cell reselection criteria. If the measurement threshold is met (e.g., the cell reselection criteria are met), the LP-WUR 220 may refrain from triggering the cell reselection process, and the UE 115-a may continue to camp on the first serving cell 205-a. Specifically, if the measurement performed on the SS 225-a received from the first serving cell 205-a meets the measurement threshold (e.g., RSRP ≥ Thresh, RSRQ ≥ Thresh), the UE 115-a may continue to communicate with the first serving cell 205-a.

[0100] In contrast, if the measurement threshold is not met (e.g., the cell reselection criteria are not met), the LP-WUR 220 may wake up the primary radio 215 (via the trigger 235) to perform a cell reselection procedure. In some aspects, the behavior of the primary radio 215 after receiving the trigger 235 to wake up may follow a conservative approach or an aggressive approach.

[0101] According to the conservative approach, upon receiving the trigger 235, the primary radio component 215 may again perform measurements and “gamma criterion evaluations” for the current serving cell 205-a. In other words, if the LP-WUR 220 determines that the criteria for cell reselection (e.g., a measurement threshold) are not met, the primary radio component 215 may wake up and may also measure the SS 225 (e.g., SSB) from the first serving cell 205-a to evaluate whether to trigger a cell reselection process. If the primary radio component 215 determines that the criteria are met (e.g., the measurement threshold is met), the UE 115-a may continue to camp on the first serving cell 205-a, and the primary radio component 215 may go back to sleep (e.g., return to a low power state) after a certain number of ms, and the LP-WUR 220 may wake up and may also measure the SS 225 (e.g., SSB) from the first serving cell 205-a to evaluate whether to trigger a cell reselection process. If the primary radio component 215 determines that the criteria are met (e.g., the measurement threshold is met), the UE 115-a may continue to camp on the first serving cell 205-a, and the primary radio component 215 may go back to sleep (e.g., return to a low power state) after a certain number of ms, and the LP-WUR 220 may resume measuring the LP-SS 225 of the first serving cell 205-a. Otherwise, if the primary radio component 215 determines that the criteria are not met (e.g., the measurement threshold is not met), the primary radio component 215 may perform a cell reselection procedure (e.g., begin measuring and evaluating adjacent intra-frequency / inter-frequency serving cells 205).

[0102] According to the proactive approach, upon receiving the trigger 235, the primary radio component 215 may initiate measurements and "gamma criterion evaluations" of other intra-frequency / inter-frequency neighboring serving cells 205. In other words, when using the proactive approach, the primary radio component 215 may not re-perform measurements of the SS 225 (e.g., SSB) of the current serving cell 205-a, but may instead initiate measurements of the SS 225 of other serving cells 205 to identify candidate target cells for the cell reselection process.

[0103] When the LP-WUR 220 operates according to the second embodiment (Mode 2, Intra-Frequency), the UE 115-a may be able to perform measurements on the SS 225 received from the currently active serving cell 205-a, as well as on the intra-frequency SS 225 received from other serving cells 205 (e.g., serving cell 205-b). In other words, the LP-WUR 220 may be able to receive SS 225-a, 225-b from multiple serving cells 205, as long as the SS 225 are received in the same frequency band. In some aspects, not all intra-frequency neighboring cells may be deployed with LP-SS 225 and / or LP-WUS 230. In other words, some neighboring serving cells may be enabled only for SSB and may not be able to transmit LP-SS 225. In such cases, the LP-WUR 220 may be configured only to measure SS 225 from neighboring serving cells 205 that are enabled for LP-SS 225 and / or LP-WUS 230. Thus, in some cases, the control signaling 245 may indicate the cell ID of the neighboring serving cell 205 that supports the intra-frequency LP-SS 225 .

[0104] In the event that UE 115-a supports the second specific implementation (e.g., Mode 2, intra-frequency SS225), the LP-WUR 220 may perform LP-SS225-based measurements (e.g., LP-SS-RSRP, LP-SS-RSRQ, etc.) on the LP-SS225-a received from the first serving cell 205-a (e.g., the current / active serving cell) and the LP-SS225-b received from the second serving cell 205-b enabled for intra-frequency SS225 to evaluate the cell selection criterion "γ or "γ", as described herein.

[0105] Continuing with reference to the second implementation (Mode 2, intra-frequency SS), if the criteria are not met (e.g., the measurement threshold is not met), the LP-WUR 220 may wake up the master radio 215 (via the trigger 235) to initiate inter-frequency and / or inter-RAT measurements by the master radio 215 while the LP-WUR 220 performs measurements on the configured intra-frequency serving cell 205. In other words, upon sending / receiving the trigger 235, the LP-WUR 220 may measure the SS 225-b from the intra-frequency neighboring serving cell 205 (e.g., the second serving cell 205-b), while the master radio 215 performs measurements on the SS 225 (e.g., SSB) that cannot be measured by the LP-WUR 220 (such as the inter-frequency SS 225 or the SS 225 communicated via other RATs). Furthermore, in some cases, the primary radio 215 may perform measurements on SS 225 received from an intra-frequency neighbor serving cell 205 (e.g., a serving cell 205 configured only to transmit SSBs) that is not configured with an LP-SS 225. In this regard, by partitioning the measurements performed by the LP-WUR 220 and the primary radio 215, the techniques described herein may help reduce cell reselection time (e.g., reduce the amount of time it takes for the UE 115-a to identify a target serving cell 205 for a cell reselection process).

[0106] When the LP-WUR 220 operates according to the third embodiment (Mode 3, inter-frequency), the UE 115-a may be able to perform measurements on the SS 225 received from the currently active serving cell 205-a, as well as on the intra-frequency and inter-frequency SS 225 received from other serving cells 205 (e.g., serving cell 205-b). In other words, the LP-WUR 220 may be able to receive SS 225-a, 225-b across multiple frequency bands from multiple serving cells 205. As previously noted herein, not all intra-frequency / inter-frequency neighboring cells may be deployed with LP-SS 225 and / or LP-WUS 230. In other words, some neighboring serving cells may be enabled only for SSB and may not be able to transmit LP-SS 225. In such cases, the LP-WUR 220 may be configured only to measure SS 225 from intra-frequency / inter-frequency neighboring serving cells 205 that are enabled for LP-SS 225 and / or LP-WUS 230. Thus, the control signaling 245 may indicate the cell IDs of the neighboring serving cells 205 that support intra-frequency and inter-frequency LP-SS 225 .

[0107] Continuing with reference to the third implementation (Mode 3, inter-frequency SS), if the criteria are not met (e.g., the measurement threshold is not met), the LP-WUR 220 may communicate a trigger 235 to wake up the master radio 215 and initiate LP-SS 225-based measurements and evaluations of the configured intra-frequency and inter-frequency serving cells 205. As previously described herein, the measurements may be performed sequentially and / or in parallel by the master radio 215 and the LP-WUR 220 to reduce the time used to perform the cell reselection process.

[0108] For example, if none of the neighboring serving cells 205 configured for the LP-SS 225 meet the cell selection criteria, the LP-WUR 220 may wake up the master radio 215 to initiate measurements on other (non-LP-SS 225 enabled) serving cells 205 configured as inter-frequency / inter-RAT cells. As another example, if none of the neighboring serving cells 205 configured for the LP-SS 225 meet the cell selection criteria, the LP-WUR 220 may wake up the master radio 215 to initiate measurements on other (non-LP-SS 225 enabled) serving cells 205 configured as inter-frequency / inter-RAT cells in parallel with the measurements performed by the LP-WUR 220. Again, by partitioning the measurements performed by the LP-WUR 220 and the master radio 215, the techniques described herein may help reduce cell reselection time (e.g., reduce the amount of time it takes for the UE 115-a to identify a target serving cell 205 for the cell reselection process).

[0109] The techniques described herein may enable the primary radio 215 (e.g., baseband component) of a UE 115-a to remain in a low-power state (e.g., idle / inactive) for longer durations, thereby reducing power consumption at the UE 115-a. Specifically, by enabling the LP-WUR 220 to receive SS 225 and perform measurements for a cell reselection process, aspects of the present disclosure may reduce or eliminate the need for the primary radio 215 to "wake up" to perform cell reselection-related measurements, thereby reducing power consumption at the UE 115-a, improving battery life, and resulting in an overall improved user experience.

[0110] Figure 4 An example of a process flow 400 is illustrated that supports techniques for performing a cell reselection procedure using LP-WUR in accordance with one or more aspects of the present disclosure. Aspects of the process flow 400 may implement or be implemented by aspects of the wireless communication system 100, the wireless communication system 200, the resource configuration 300, or any combination thereof. For example, the process flow 400 illustrates signaling and configuration that enables a UE 115-b to perform a cell selection (and / or cell reselection) procedure using LP-WUR, as previously described herein.

[0111] Process flow 400 includes UE 115-b, a first serving cell 405-a, and a second serving cell 405-b, which may be examples of UE 115, network entity 105, serving cells, and other wireless devices as described herein. Figure 4 The UE 115-b, the first serving cell 405-a and the second serving cell 405-b illustrated in FIG. 4 may include the following: Figure 2 1 and 2. In this regard, the first serving cell 405-a and the second serving cell 405-b may be associated with (e.g., supported by) the same or different network entities 105 and may be configured to communicate using the same or different frequency bands / RATs.

[0112] In addition, if Figure 4 As shown, UE 115-b may include LP-WUR 410 and baseband component 415, which may be respectively Figure 2 An example of the illustrated LP-WUR 220 and main radio 215. As described herein, the LP-WUR 410 may be an example of a wake-up component and may include a processor, a microprocessor, an FPGA, an ASIC, or any combination thereof.

[0113] In some examples, the operations illustrated in process flow 400 can be performed by hardware (e.g., including circuits, processing blocks, logic components, and other components), code executed by a processor (e.g., software or firmware), or any combination thereof. The following alternative examples can be implemented in which some of the steps are performed in a different order than described or not performed at all. In some cases, the steps may include additional features not mentioned below, or other steps may be added.

[0114] At 420, UE 115-b (e.g., baseband component 415, primary receiver) may send capability information to first serving cell 405-a (e.g., active serving cell). The capability information may indicate the ability of LP-WUR 410 to perform a cell reselection procedure. In other words, the capability information may indicate that LP-WUR 410 is capable of receiving SS (e.g., LP-SS and / or SSB) for the cell reselection procedure during the time interval when baseband component 415 is in the low-power operating state.

[0115] The capability information may indicate what type of SS the LP-WUR 410 is capable of receiving, such as whether the LP-WUR 410 is capable of receiving LP-SS, SSB, or both. Additionally or alternatively, the capability information may indicate whether the LP-WUR 410 is capable of receiving and measuring SSs from only the active serving cell 405, from the active serving cell 405 and other serving cells 405 that support LP-SS in the same frequency band as the SS transmitted by the active serving cell 405 (e.g., intra-frequency SS), and / or from the active serving cell 405 and other serving cells 405 that support LP-SS in the same or different frequency bands as the SS transmitted by the active serving cell 405 (e.g., inter-frequency SS). In other words, the capability information may indicate whether the LP-WUR 410 supports Mode 1, Mode 2, and / or Mode 3 operation for the cell reselection procedure, as described herein.

[0116] At 425, the baseband component 415 of the UE 115-b may receive control signaling (e.g., RRC, DCI, MAC-CE, SIB, system information) from the first serving cell 405-a. In some aspects, the control signaling may include information associated with the execution of a cell reselection procedure by the LP-WUR. In this regard, the UE 115-b may receive the control signaling based on the capability information transmitted at 420.

[0117] For example, in some cases, control signaling may configure separate measurement thresholds (e.g., separate criteria) for performing a cell reselection process using LP-SS and SSB. For example, control signaling may indicate a first set of thresholds associated with a cell reselection process performed using SSB and a second set of thresholds associated with a cell reselection process performed using LP-SS. As another example, control signaling may indicate a set of time / frequency resources that may be used by the first serving cell 405-a (and / or other serving cells 405) to transmit SS, such as a first set of resources associated with SSB and a second set of resources associated with LP-SS.

[0118] In additional or alternative implementations, the control signaling may indicate parameters associated with measurements performed on the SS by the LP-WUR 410. For example, as previously described herein, the control signaling may indicate one or more parameters that can be used by the LP-WUR 410 to perform measurements on the SS, such as the number of DRX cycles between measurements. Filtering Operation Number of measurements the time interval between measurements ("γ"), or any combination thereof.

[0119] Furthermore, in some implementations, the control signaling can indicate a set of neighboring serving cells 405 (e.g., the second serving cell 405-b) that support LP-SS. Specifically, the control signaling can indicate a set of neighboring serving cells 405 (e.g., the second serving cell 405-b) that support intra-frequency LP-SS (for Mode 2, intra-frequency SS measurement) and / or intra-frequency LP-SS (for Mode 3, inter-frequency SS measurement). For example, the control signaling can indicate the physical cell IDs of other neighboring cells that support intra-frequency SS for Mode 2 operation and / or the physical cell IDs of other neighboring cells that support inter-frequency SS for Mode 3 operation.

[0120] At 430, the baseband component 415 may transition to a low-power state. In some cases, the baseband component may transition to a low-power state to conserve energy. For example, the baseband component may transition from an active state (e.g., RRC_ACTIVE) or a connected state (e.g., RRC_CONNECTED) to an idle state (e.g., RRC_IDLE) or an inactive state (e.g., RRC_INACTIVE).

[0121] In some cases, baseband component 415 may transition to a low-power state based on a DRX cycle of baseband component 415 and / or UE 115-b. In some cases, baseband component 415 and LP-WUR 410 may be associated with the same or different DRX cycles. Where baseband component 415 and LP-WUR 410 are configured with separate DRX cycles, the respective components may be able to transition between different operating states independently of each other.

[0122] At 435, the LP-WUR 410 may receive a first SS from the first serving cell 405-a while the baseband component 415 is in the low-power state. In some aspects, the first SS may be associated with a cell reselection procedure that may be performed by the UE 115-b. In other words, the UE 115-b may receive the first SS in order to evaluate whether to perform a cell reselection procedure.

[0123] In some cases, the first SS may include an SSB. In other cases, the first SS may include an LP-SS that includes different parameters or characteristics than an SSB. For example, the first SS may include an LP-SS associated with a different modulation scheme, a different waveform, a different periodicity, a different transmit power, and / or a different measurement accuracy than an SSB. For example, in some cases, the first SS may include an LP-SS associated with an OOK modulation scheme or an OFDM scheme. Based on transmitting capability information at 420, receiving control signaling at 425, transitioning the baseband component 415 to a low-power state at 430, or any combination thereof, the LP-WUR 410 may receive the first SS at 435.

[0124] At 440, the LP-WUR 410 may perform measurements (e.g., RSRP, RSRQ, SNR, SINR) on the first SS received from the first serving cell 405-a. Specifically, the LP-WUR 410 may perform measurements on the first SS to evaluate whether to perform a cell reselection procedure. Thus, the LP-WUR 410 may perform measurements at 440 based on transmitting capability information at 420, receiving control signaling at 425, transitioning the baseband component 415 to a low power state at 430, receiving the first SS at 435, or any combination thereof.

[0125] At 445, LP-WUR 410 may receive a second SS from second serving cell 405-b while baseband component 415 is in a low-power state. In some aspects, the second SS may be associated with a cell reselection process that may be performed by UE 115-b. In other words, UE 115-b may receive the second SS in order to evaluate whether to perform a cell reselection process. As previously noted herein with respect to the first SS at 435, the second SS may include an SSB or an LP-SS that includes different parameters or characteristics than an SSB.

[0126] The LP-WUR 410 may receive the first SS at 435 based on sending capability information at 420 , receiving control signaling at 425 , transitioning the baseband component 415 to a low power state at 430 , receiving the first SS at 435 , performing measurements at 440 , or any combination thereof.

[0127] For example, the ability of the LP-WUR 410 to receive the second SS from the second serving cell 405-b may be based on whether the LP-WUR 410 supports Mode 2 (intra-frequency) and / or Mode 3 (inter-frequency) operation, as described herein. For example, if the LP-WUR 410 supports Mode 2 operation for intra-frequency measurements, the LP-WUR 410 may receive the second SS as long as the second SS is in the same frequency band as the first SS. As another example, if the LP-WUR 410 supports Mode 3 operation for inter-frequency measurements, the LP-WUR 410 may receive the second SS regardless of whether the second SS is in the same frequency band or a different frequency band than the first SS.

[0128] At 450, the LP-WUR 410 may perform measurements (e.g., RSRP, RSRQ, SNR, SINR) on the second SS received from the second serving cell 405-b. Specifically, the LP-WUR 410 may perform measurements on the second SS to evaluate whether to perform a cell reselection procedure. Thus, the LP-WUR 410 may perform measurements at 450 based on sending capability information at 420, receiving control signaling at 425, transitioning the baseband component 415 to a low power state at 430, receiving the first SS at 435, performing measurements at 440, receiving the second SS at 445, or any combination thereof.

[0129] At 455, the LP-WUR 410 may compare the measurements performed at 440 and / or 450 to corresponding measurement thresholds to determine whether to trigger a cell reselection process (e.g., whether to wake up the baseband component 415). In other words, the LP-WUR 410 may determine whether the measurements satisfy the cell reselection criteria "γ" or "γ" for triggering the cell reselection process.

[0130] In the event that control signaling configures separate measurement thresholds / criteria for cell reselection procedures performed using SSB and LP-SS, the LP-WUR 410 may compare the measurements with the applicable measurement thresholds / criteria. For example, the LP-WUR 410 may compare the measurements with a first set of thresholds based on the first / second SS including SSB, and may compare the measurements with a second set of thresholds based on the first / second SS including LP-SS.

[0131] In the event that the measurements performed at 440 and / or 450 satisfy the cell reselection criteria (e.g., the measurements satisfy the measurement threshold), the LP-WUR 410 may not trigger a cell reselection procedure. In such an event, communications with the first serving cell 405-a may exhibit a sufficient level of performance or quality such that the UE 115-b will remain camped on the first serving cell 405-a.

[0132] In contrast, if the measurements performed at 440 and / or 450 do not satisfy the cell reselection criteria (e.g., the measurements satisfy a measurement threshold), then the LP-WUR 410 may wake up the baseband component 415 to potentially trigger a cell reselection process. In such a case, communications with the first serving cell 405-a may not exhibit a sufficient level of performance or quality such that the LP-WUR 410 will wake up the baseband component 415 to enable the UE 115-b to perform a cell reselection process, or at least evaluate whether to perform a cell reselection process. Thus, when the cell reselection criteria are not satisfied at 455, the process flow 400 may proceed to 460.

[0133] At 460, LP-WUR 410 may communicate a message (eg, a trigger) to baseband component 415 to trigger baseband component 415 to wake up. In other words, the message / trigger at 460 may instruct baseband component 415 to transition from a low power state back to a higher power state.

[0134] At 465 , the baseband component 415 may transition from the low-power operating state to a higher-power operating state (eg, to an active or connected state). The baseband component 415 may transition to the higher-power operating state based on receiving the message / trigger at 460 .

[0135] As previously described herein, upon triggering the baseband component 415 to wake up, the UE 115-b may be configured to exhibit different behaviors. For example, in some implementations, the baseband component 415 may be configured to monitor the SS and recheck measurements performed by the LP-WUR 410 (e.g., receiving the SS from the first serving cell 405-a and / or the second serving cell 405-b) to determine whether to trigger a cell reselection procedure. As another example, in some cases, upon waking up the baseband component 415, both the LP-WUR 410 and the baseband component 415 may be configured to monitor the SS and perform measurements on the SS (sequentially or in parallel) to evaluate whether to perform a cell reselection procedure. For example, in some cases, the LP-WUR 410 may continue to perform measurements, and the baseband component 415 may be configured to perform measurements on the SS that cannot be received by the LP-WUR 410 (e.g., inter-frequency SS, SSB, inter-RAT SS, etc.).

[0136] At 470, UE 115-b, first serving cell 405-a, and second serving cell 405-b may perform a cell reselection procedure. That is, UE 115-b may perform a cell reselection procedure to switch communications from first serving cell 405-a to second serving cell 405-b. The respective devices may exchange signaling with each other to facilitate the cell reselection procedure.

[0137] At 475 , the UE 115 - b and the second serving cell 405 - b may communicate with each other. Specifically, based on completing the cell reselection procedure at 470 , the UE 115 - b and the second serving cell 405 - b may communicate with each other at 475 .

[0138] The techniques described herein may enable the baseband component 415 of the UE 115-b to remain in a low-power state (e.g., idle / inactive) for longer durations, thereby reducing power consumption at the UE 115-b. Specifically, by enabling the LP-WUR 410 to receive SS and perform measurements for a cell reselection process, aspects of the present disclosure may reduce or eliminate the need for the baseband component 415 to "wake up" to perform cell reselection-related measurements, thereby reducing power consumption at the UE 115-b, improving battery life, and resulting in an overall improved user experience.

[0139] Figure 5 A block diagram 500 illustrates a device 505 that supports techniques for performing a cell reselection procedure using LP-WUR according to one or more aspects of the present disclosure. The device 505 can be an example of aspects of the UE 115 as described herein. The device 505 can include a receiver 510, a transmitter 515, and a communication manager 520. The device 505 can also include a processor. Each of these components can communicate with each other (e.g., via one or more buses).

[0140] The receiver 510 may provide a means for receiving information (such as packets, user data, control information, or any combination thereof) associated with various information channels (e.g., control channels, data channels, information channels related to techniques for performing cell reselection procedures using LP-WUR). The information may be passed to other components of the device 505. The receiver 510 may utilize a single antenna, or a collection of multiple antennas.

[0141] The transmitter 515 may provide a means for transmitting signals generated by other components of the device 505. For example, the transmitter 515 may transmit information (such as packets, user data, control information, or any combination thereof) associated with various information channels (e.g., control channels, data channels, information channels related to techniques for performing cell reselection procedures using LP-WUR). In some examples, the transmitter 515 may be co-located with the receiver 510 in a transceiver module. The transmitter 515 may utilize a single antenna, or a collection of multiple antennas.

[0142] The communication manager 520, the receiver 510, the transmitter 515, or various combinations thereof, or various components thereof, may be examples of means for performing various aspects of the techniques for performing a cell reselection procedure using LP-WUR as described herein. For example, the communication manager 520, the receiver 510, the transmitter 515, or various combinations thereof, or components thereof, may support methods for performing one or more of the functions described herein.

[0143] In some examples, the communication manager 520, the receiver 510, the transmitter 515, or various combinations or components thereof can be implemented in hardware (e.g., in a communication management circuit). The hardware can include a processor, a digital signal processor (DSP), a central processing unit (CPU), an ASIC, an FPGA or other programmable logic device, a microcontroller, discrete gate or transistor logic components, discrete hardware components, or any combination thereof configured as or otherwise supporting components for performing the functions described in this disclosure. In some examples, the processor and a memory coupled to the processor can be configured to perform one or more of the functions described herein (e.g., by executing instructions stored in the memory by the processor).

[0144] Additionally or alternatively, in some examples, the communication manager 520, receiver 510, transmitter 515, or various combinations or components thereof may be implemented in code executed by a processor (e.g., as communication management software or firmware). If implemented in code executed by a processor, the functionality of the communication manager 520, receiver 510, transmitter 515, or various combinations or components thereof may be performed by a general-purpose processor (e.g., configured as or otherwise supporting means for performing the functions described in this disclosure), a DSP, a CPU, an ASIC, an FPGA, a microcontroller, or any combination of these or other programmable logic devices.

[0145] In some examples, communication manager 520 can be configured to perform various operations (e.g., receive, obtain, monitor, output, transmit) using or otherwise cooperating with receiver 510, transmitter 515, or both. For example, communication manager 520 can receive information from receiver 510, transmit information to transmitter 515, or be integrated with receiver 510, transmitter 515, or both to obtain information, output information, or perform various other operations as described herein.

[0146] For example, the communication manager 520 may be configured as or otherwise support means for receiving a first SS from a first serving cell using a wake-up component of the UE, wherein the first SS is received during a time interval in which the baseband component of the UE is in a low-power operating state. The communication manager 520 may be configured as or otherwise support means for performing measurements on the first SS, these measurements being associated with a cell reselection process. The communication manager 520 may be configured as or otherwise support means for monitoring additional signals from the first serving cell, the second serving cell, or both based on whether the measurements meet one or more measurement thresholds associated with the cell reselection process.

[0147] By including or configuring the communication manager 520 according to examples as described herein, the device 505 (e.g., a processor controlling the receiver 510, the transmitter 515, the communication manager 520, or a combination thereof or otherwise coupled thereto) may support techniques that enable the primary receiver (e.g., baseband component) of the UE 115 to remain in a low-power state (e.g., idle / inactive) for longer durations, thereby reducing power consumption at the UE 115. Specifically, by enabling the LP-WUR to receive SS and perform measurements for the cell reselection process, aspects of the present disclosure may reduce or eliminate the need for the primary radio component to “wake up” to perform cell reselection-related measurements, thereby reducing power consumption at the UE 115, improving battery life, and resulting in an overall improved user experience.

[0148] Figure 6A block diagram 600 illustrates a device 605 supporting techniques for performing a cell reselection procedure using LP-WUR according to one or more aspects of the present disclosure. The device 605 may be an example of aspects of the device 505 or UE 115 as described herein. The device 605 may include a receiver 610, a transmitter 615, and a communication manager 620. The device 605 may also include a processor. Each of these components may communicate with each other (e.g., via one or more buses).

[0149] The receiver 610 may provide means for receiving information (such as packets, user data, control information, or any combination thereof) associated with various information channels (e.g., control channels, data channels, information channels related to techniques for performing cell reselection procedures using LP-WUR). The information may be passed to other components of the device 605. The receiver 610 may utilize a single antenna, or a collection of multiple antennas.

[0150] The transmitter 615 may provide a means for transmitting signals generated by other components of the device 605. For example, the transmitter 615 may transmit information (such as packets, user data, control information, or any combination thereof) associated with various information channels (e.g., control channels, data channels, information channels related to techniques for performing cell reselection procedures using LP-WUR). In some examples, the transmitter 615 may be co-located with the receiver 610 in a transceiver module. The transmitter 615 may utilize a single antenna, or a collection of multiple antennas.

[0151] The device 605 or its various components may be examples of components for performing various aspects of the techniques for performing a cell reselection process using LP-WUR as described herein. For example, the communication manager 620 may include an SS manager 625, a measurement manager 630, a monitoring manager 635, or any combination thereof. The communication manager 620 may be an example of various aspects of the communication manager 520 as described herein. In some examples, the communication manager 620 or its various components may be configured to use or otherwise cooperate with the receiver 610, the transmitter 615, or both to perform various operations (e.g., receive, obtain, monitor, output, transmit). For example, the communication manager 620 may receive information from the receiver 610, transmit information to the transmitter 615, or be integrated with the receiver 610, the transmitter 615, or both to obtain information, output information, or perform various other operations as described herein.

[0152] The SS manager 625 may be configured as or otherwise support means for using a wake-up component of the UE to receive a first SS from a first serving cell, wherein the first SS is received during a time interval when the baseband component of the UE is in a low-power operating state. The measurement manager 630 may be configured as or otherwise support means for performing measurements on the first SS, these measurements being associated with a cell reselection process. The monitoring manager 635 may be configured as or otherwise support means for monitoring additional signals from the first serving cell, the second serving cell, or both, based on whether the measurements meet one or more measurement thresholds associated with the cell reselection process.

[0153] Figure 7 A block diagram 700 illustrates a communication manager 720 that supports techniques for performing a cell reselection procedure using LP-WUR in accordance with one or more aspects of the present disclosure. The communication manager 720 can be an example of aspects of the communication manager 520, the communication manager 620, or both, as described herein. The communication manager 720 or its various components can be examples of components for performing various aspects of the techniques for performing a cell reselection procedure using LP-WUR as described herein. For example, the communication manager 720 can include an SS manager 725, a measurement manager 730, a monitoring manager 735, a control signaling manager 740, a capability information manager 745, a baseband component communication manager 750, a serving cell communication manager 755, or any combination thereof. Each of these components can communicate with each other directly or indirectly (e.g., via one or more buses).

[0154] The SS manager 725 may be configured as or otherwise support means for using a wake-up component of the UE to receive a first SS from a first serving cell, wherein the first SS is received during a time interval in which the baseband component of the UE is in a low-power operating state. The measurement manager 730 may be configured as or otherwise support means for performing measurements on the first SS, these measurements being associated with a cell reselection process. The monitoring manager 735 may be configured as or otherwise support means for monitoring additional signals from the first serving cell, the second serving cell, or both, based on whether the measurements meet one or more measurement thresholds associated with the cell reselection process.

[0155] In some examples, the control signaling manager 740 can be configured as or otherwise support means for receiving control signaling from the first serving cell, the control signaling indicating a first set of thresholds associated with a cell reselection procedure performed using an SSB and a second set of thresholds associated with a cell reselection procedure performed using an LP-SS. In some examples, the measurement manager 730 can be configured as or otherwise support means for comparing measurements with the first set of thresholds based on the first SS including an SSB or comparing measurements with the second set of thresholds based on the first SS including an LP-SS, wherein monitoring is based on the comparison.

[0156] In some examples, the capability information manager 745 may be configured as or otherwise support a component for sending capability information to the first serving cell, the capability information indicating the UE's ability to use a wake-up component and perform a cell reselection process based on receiving the first SS, where the receiving the first SS is based on sending the capability information.

[0157] In some examples, the control signaling manager 740 can be configured as or otherwise support means for receiving control signaling indicating a resource set associated with an LP-SS transmitted by a first serving cell, wherein the first SS includes the LP-SS, and wherein the first SS is received within the resource set.

[0158] In some examples, the control signaling manager 740 may be configured as or otherwise support a component for receiving control signaling indicating a set of parameters associated with measurements performed on the SS received by the wake-up component, wherein the measurements are performed according to the parameter set, wherein the parameter set includes at least one of a time interval between measurements, a filtering operation, a number of measurements, and a number of DRX cycles between measurements.

[0159] In some examples, the wake-up component is associated with a first DRX cycle. In some examples, the baseband component is associated with a second DRX cycle that is different from the first DRX cycle.

[0160] In some examples, baseband component communication manager 750 can be configured as or otherwise support means for communicating a message to the baseband component indicating that the baseband component is transitioning from a low-power operating state to a higher-power operating state based on a determination that the measurement fails to meet one or more measurement thresholds. In some examples, monitoring manager 735 can be configured as or otherwise support means for using the baseband component to monitor for additional SSs based on the message.

[0161] In some examples, the SS manager 725 may be configured as or otherwise support means for receiving a second SS from a second serving cell using a wake-up component and during a time interval when the baseband component is in a low-power operating state, wherein the first SS and the second SS are associated with the first frequency band. In some examples, the measurement manager 730 may be configured as or otherwise support means for performing additional measurements on the second SS, these additional measurements being associated with a cell reselection process. In some examples, the serving cell communication manager 755 may be configured as or otherwise support means for communicating with the first serving cell, the second serving cell, or the third serving cell based on whether the measurements, the additional measurements, or both meet one or more measurement thresholds.

[0162] In some examples, the control signaling manager 740 can be configured as or otherwise support means for receiving control signaling indicating a set of neighboring serving cells configured to transmit an LP-SS within a first frequency band, the set of neighboring serving cells including the second serving cell, wherein receiving the second SS is based on the control signaling.

[0163] In some examples, baseband component communication manager 750 can be configured as or otherwise support means for communicating a message to the baseband component indicating that the baseband component is transitioning from a low-power operating state to a higher-power operating state based on a determination that the measurement, the additional measurement, or both fail to satisfy one or more measurement thresholds. In some examples, SS manager 725 can be configured as or otherwise support means for receiving, using the baseband component and based on the message, an additional SS from a second set of neighboring serving cells configured to transmit LP-SS in a second frequency band different from the first frequency band, from a third set of neighboring serving cells configured to transmit SSBs, or both, wherein communicating with the first serving cell, the second serving cell, or the third serving cell is based on receiving the additional SS using the baseband component.

[0164] In some examples, the SS manager 725 may be configured as or otherwise support means for receiving a second SS from a second serving cell using a wake-up component and during a time interval when the baseband component is in a low-power operating state, wherein the first SS is associated with a first frequency band and the second SS is associated with a second frequency band different from the first frequency band. In some examples, the measurement manager 730 may be configured as or otherwise support means for performing additional measurements on the second SS, the additional measurements being associated with a cell reselection process. In some examples, the serving cell communication manager 755 may be configured as or otherwise support means for communicating with the first serving cell, the second serving cell, or the third serving cell based on whether the measurements, the additional measurements, or both meet one or more measurement thresholds.

[0165] In some examples, baseband component communication manager 750 can be configured as or otherwise support means for communicating a message to the baseband component indicating that the baseband component is transitioning from a low-power operating state to a higher-power operating state based on a determination that the measurement, the additional measurement, or both fail to satisfy one or more measurement thresholds. In some examples, SS manager 725 can be configured as or otherwise support means for using the baseband component and, based on the message, receiving an additional SS from at least one of the first serving cell, the second serving cell, or a third serving cell configured to transmit an SSB.

[0166] In some examples, the first SS includes an LP-SS associated with one or more parameters that are different than the SSB, the one or more parameters including at least one of a waveform, a modulation scheme, a transmit power, or a periodicity.

[0167] In some examples, the first SS is associated with one of an OOK modulation scheme or an OFDM scheme. In some examples, the wake-up component includes a processor, an FPGA, or an ASIC. In some examples, the low-power operating state includes one of an idle operating state or an inactive operating state.

[0168] Figure 8 A diagram of a system 800 including a device 805 supporting techniques for performing a cell reselection procedure using LP-WUR in accordance with one or more aspects of the present disclosure is illustrated. The device 805 may be an example of, or include components of, a device 505, a device 605, or a UE 115 as described herein. The device 805 may communicate (e.g., wirelessly) with one or more network entities 105, one or more UEs 115, or any combination thereof. The device 805 may include components for two-way voice and data communications, including components for sending and receiving communications, such as a communication manager 820, an input / output (I / O) controller 810, a transceiver 815, an antenna 825, a memory 830, code 835, and a processor 840. These components may be in electronic communication or otherwise coupled (e.g., operatively, communicatively, functionally, electronically, electrically) via one or more buses (e.g., a bus 845).

[0169] I / O controller 810 can manage input and output signals for device 805. I / O controller 810 can also manage peripheral devices that are not integrated into device 805. In some cases, I / O controller 810 can represent a physical connection or port to an external peripheral device. In some cases, I / O controller 810 can utilize an operating system such as or another known operating system. Additionally or alternatively, I / O controller 810 may represent or interact with a modem, keyboard, mouse, touch screen, or similar device. In some cases, I / O controller 810 may be implemented as part of a processor, such as processor 840. In some cases, a user may interact with device 805 via I / O controller 810 or via hardware components controlled by I / O controller 810.

[0170] In some cases, the device 805 may include a single antenna 825. However, in some other cases, the device 805 may have more than one antenna 825, which may be capable of concurrently transmitting or receiving multiple wireless transmissions. The transceiver 815 may communicate bidirectionally via one or more antennas 825, a wired link, or a wireless link as described herein. For example, the transceiver 815 may represent a wireless transceiver and may communicate bidirectionally with another wireless transceiver. The transceiver 815 may also include a modem for modulating packets, providing the modulated packets to one or more antennas 825 for transmission, and demodulating packets received from the one or more antennas 825. The transceiver 815, or the transceiver 815 and one or more antennas 825, may be examples of the transmitter 515, transmitter 615, receiver 510, receiver 610, or any combination thereof, or components thereof, as described herein.

[0171] The memory 830 may include random access memory (RAM) and read-only memory (ROM). The memory 830 may store computer-readable, computer-executable code 835 including instructions that, when executed by the processor 840, cause the device 805 to perform the various functions described herein. The code 835 may be stored in a non-transitory computer-readable medium such as system memory or another type of memory. In some cases, the code 835 may not be directly executable by the processor 840, but may (e.g., when compiled and executed) cause the computer to perform the functions described herein. In some cases, among other things, the memory 830 may also contain a basic I / O system (BIOS) that controls basic hardware or software operations, such as interaction with peripheral components or devices.

[0172] The processor 840 may include an intelligent hardware device (e.g., a general-purpose processor, a DSP, a CPU, a microcontroller, an ASIC, an FPGA, a programmable logic device, a discrete gate or transistor logic component, a discrete hardware component, or any combination thereof). In some cases, the processor 840 may be configured to operate a memory array using a memory controller. In some other cases, the memory controller may be integrated into the processor 840. The processor 840 may be configured to execute computer-readable instructions stored in a memory (e.g., a memory 830) to cause the device 805 to perform various functions (e.g., functions or tasks supporting techniques for performing a cell reselection process using LP-WUR). For example, the device 805 or a component of the device 805 may include a processor 840 and a memory 830 coupled to or coupled to the processor 840, the processor 840 and the memory 830 being configured to perform the various functions described herein.

[0173] For example, the communication manager 820 may be configured as or otherwise support means for using a wake-up component of the UE to receive a first SS from a first serving cell, wherein the first SS is received during a time interval in which the baseband component of the UE is in a low-power operating state. The communication manager 820 may be configured as or otherwise support means for performing measurements on the first SS, these measurements being associated with a cell reselection process. The communication manager 820 may be configured as or otherwise support means for monitoring additional signals from the first serving cell, the second serving cell, or both based on whether the measurements meet one or more measurement thresholds associated with the cell reselection process.

[0174] By including or configuring the communication manager 820 according to examples as described herein, the device 805 may support techniques that enable the primary receiver (e.g., baseband component) of the UE 115 to remain in a low-power state (e.g., idle / inactive) for longer durations, thereby reducing power consumption at the UE 115. Specifically, by enabling the LP-WUR to receive SS and perform measurements for the cell reselection process, aspects of the present disclosure may reduce or eliminate the need for the primary radio component to "wake up" to perform cell reselection-related measurements, thereby reducing power consumption at the UE 115, improving battery life, and resulting in an overall improved user experience.

[0175] In some examples, the communication manager 820 can be configured to perform various operations (e.g., receive, monitor, transmit) using or otherwise coordinating with the transceiver 815, one or more antennas 825, or any combination thereof. Although the communication manager 820 is illustrated as a separate component, in some examples, one or more functions described with reference to the communication manager 820 can be supported or performed by the processor 840, the memory 830, the code 835, or any combination thereof. For example, the code 835 can include instructions that can be executed by the processor 840 to cause the device 805 to perform various aspects of the techniques for performing a cell reselection process using LP-WUR as described herein, or the processor 840 and the memory 830 can be otherwise configured to perform or support such operations.

[0176] Figure 9 A block diagram 900 illustrates a device 905 that supports techniques for performing a cell reselection procedure using LP-WUR according to one or more aspects of the present disclosure. The device 905 may be an example of aspects of the network entity 105 as described herein. The device 905 may include a receiver 910, a transmitter 915, and a communication manager 920. The device 905 may also include a processor. Each of these components may communicate with each other (e.g., via one or more buses).

[0177] Receiver 910 may provide means for obtaining (e.g., receiving, determining, identifying) information associated with various channels (e.g., control channels, data channels, information channels, channels associated with a protocol stack), such as user data, control information, or any combination thereof (e.g., I / Q samples, symbols, packets, protocol data units, service data units). The information may be passed to other components of device 905. In some examples, receiver 910 may support obtaining information by receiving signals via one or more antennas. Additionally or alternatively, receiver 910 may support obtaining information by receiving signals via one or more wired (e.g., electrical, optical) interfaces, wireless interfaces, or any combination thereof.

[0178] The transmitter 915 may provide means for outputting (e.g., transmitting, providing, conveying, transmitting) information generated by other components of the device 905. For example, the transmitter 915 may output information associated with various channels (e.g., control channels, data channels, information channels, channels associated with a protocol stack), such as user data, control information, or any combination thereof (e.g., I / Q samples, symbols, packets, protocol data units, service data units). In some examples, the transmitter 915 may support outputting information by transmitting signals via one or more antennas. Additionally or alternatively, the transmitter 915 may support outputting information by transmitting signals via one or more wired (e.g., electrical, optical) interfaces, wireless interfaces, or any combination thereof. In some examples, the transmitter 915 and the receiver 910 may be co-located in a transceiver, which may include a modem or be coupled to a modem.

[0179] The communication manager 920, the receiver 910, the transmitter 915, or various combinations thereof, or various components thereof, may be examples of means for performing various aspects of the techniques for performing a cell reselection procedure using LP-WUR as described herein. For example, the communication manager 920, the receiver 910, the transmitter 915, or various combinations thereof, or components thereof, may support methods for performing one or more of the functions described herein.

[0180] In some examples, the communication manager 920, the receiver 910, the transmitter 915, or various combinations or components thereof may be implemented in hardware (e.g., in a communication management circuit). The hardware may include a processor, a DSP, a CPU, an ASIC, an FPGA or other programmable logic device, a microcontroller, discrete gate or transistor logic components, discrete hardware components, or any combination thereof configured as or otherwise supporting components for performing the functions described in this disclosure. In some examples, the processor and a memory coupled to the processor may be configured to perform one or more of the functions described herein (e.g., by executing instructions stored in the memory by the processor).

[0181] Additionally or alternatively, in some examples, the communication manager 920, receiver 910, transmitter 915, or various combinations or components thereof may be implemented in code executed by a processor (e.g., as communication management software or firmware). If implemented in code executed by a processor, the functionality of the communication manager 920, receiver 910, transmitter 915, or various combinations or components thereof may be performed by a general-purpose processor (e.g., configured as or otherwise supporting means for performing the functions described in this disclosure), a DSP, a CPU, an ASIC, an FPGA, a microcontroller, or any combination of these or other programmable logic devices.

[0182] In some examples, the communication manager 920 can be configured to perform various operations (e.g., receive, obtain, monitor, output, transmit) using or otherwise cooperating with the receiver 910, the transmitter 915, or both. For example, the communication manager 920 can receive information from the receiver 910, transmit information to the transmitter 915, or be integrated with the receiver 910, the transmitter 915, or both to obtain information, output information, or perform various other operations as described herein.

[0183] For example, the communication manager 920 may be configured as or otherwise support a component for sending control signaling to the UE via a first serving cell supported by the network entity, the control signaling indicating a first threshold set associated with a cell reselection procedure performed using SSB and a second threshold set associated with a cell reselection procedure performed using LP-SS. The communication manager 920 may be configured as or otherwise support a component for sending a first SS to the UE via the first serving cell based on the control signaling, the first SS being sent to a wake-up component of the UE during a time interval in which the baseband component of the UE is in a low-power operating state, wherein the first SS includes an SSB or an LP-SS.

[0184] By including or configuring the communication manager 920 according to examples as described herein, the device 905 (e.g., a processor controlling the receiver 910, the transmitter 915, the communication manager 920, or a combination thereof or otherwise coupled thereto) may support techniques that enable the primary receiver (e.g., baseband component) of the UE 115 to remain in a low-power state (e.g., idle / inactive) for longer durations, thereby reducing power consumption at the UE 115. Specifically, by enabling the LP-WUR to receive SS and perform measurements for the cell reselection process, aspects of the present disclosure may reduce or eliminate the need for the primary radio component to “wake up” to perform cell reselection-related measurements, thereby reducing power consumption at the UE 115, improving battery life, and resulting in an overall improved user experience.

[0185] Figure 10 A block diagram 1000 illustrates a device 1005 that supports techniques for performing a cell reselection procedure using LP-WUR according to one or more aspects of the present disclosure. The device 1005 may be an example of aspects of the device 905 or the network entity 105 as described herein. The device 1005 may include a receiver 1010, a transmitter 1015, and a communication manager 1020. The device 1005 may also include a processor. Each of these components may communicate with each other (e.g., via one or more buses).

[0186] Receiver 1010 may provide means for obtaining (e.g., receiving, determining, identifying) information associated with various channels (e.g., control channels, data channels, information channels, channels associated with a protocol stack), such as user data, control information, or any combination thereof (e.g., I / Q samples, symbols, packets, protocol data units, service data units). The information may be communicated to other components of device 1005. In some examples, receiver 1010 may support obtaining information by receiving signals via one or more antennas. Additionally or alternatively, receiver 1010 may support obtaining information by receiving signals via one or more wired (e.g., electrical, optical) interfaces, wireless interfaces, or any combination thereof.

[0187] The transmitter 1015 may provide means for outputting (e.g., transmitting, providing, conveying, transmitting) information generated by other components of the device 1005. For example, the transmitter 1015 may output information associated with various channels (e.g., control channels, data channels, information channels, channels associated with a protocol stack), such as user data, control information, or any combination thereof (e.g., I / Q samples, symbols, packets, protocol data units, service data units). In some examples, the transmitter 1015 may support outputting information by transmitting signals via one or more antennas. Additionally or alternatively, the transmitter 1015 may support outputting information by transmitting signals via one or more wired (e.g., electrical, optical) interfaces, wireless interfaces, or any combination thereof. In some examples, the transmitter 1015 and the receiver 1010 may be co-located in a transceiver, which may include a modem or be coupled to a modem.

[0188] Device 1005 or its various components may be examples of components for performing various aspects of the techniques for performing a cell reselection process using LP-WUR as described herein. For example, communications manager 1020 may include control signaling manager 1025, SS manager 1030, or any combination thereof. Communications manager 1020 may be an example of various aspects of communications manager 920 as described herein. In some examples, communications manager 1020 or its various components may be configured to perform various operations (e.g., receive, obtain, monitor, output, transmit) using or otherwise coordinating with receiver 1010, transmitter 1015, or both. For example, communications manager 1020 may receive information from receiver 1010, transmit information to transmitter 1015, or be integrated with receiver 1010, transmitter 1015, or both to obtain information, output information, or perform various other operations as described herein.

[0189] The control signaling manager 1025 may be configured as or otherwise support means for sending control signaling to the UE via a first serving cell supported by the network entity, the control signaling indicating a first set of thresholds associated with a cell reselection procedure performed using an SSB and a second set of thresholds associated with a cell reselection procedure performed using an LP-SS. The SS manager 1030 may be configured as or otherwise support means for sending a first SS to the UE via the first serving cell based on the control signaling, the first SS being sent to a wake-up component of the UE during a time interval in which the baseband component of the UE is in a low-power operating state, wherein the first SS comprises an SSB or an LP-SS.

[0190] Figure 11 A block diagram 1100 illustrates a communication manager 1120 that supports techniques for performing a cell reselection procedure using LP-WUR, in accordance with one or more aspects of the present disclosure. The communication manager 1120 may be an example of aspects of the communication manager 920, the communication manager 1020, or both, as described herein. The communication manager 1120 or its various components may be examples of components for performing various aspects of the techniques for performing a cell reselection procedure using LP-WUR, as described herein. For example, the communication manager 1120 may include a control signaling manager 1125, an SS manager 1130, a capability information manager 1135, or any combination thereof. Each of these components may communicate with each other directly or indirectly (e.g., via one or more buses), and this communication may include communication within a protocol layer of a protocol stack, communication associated with a logical channel of the protocol stack (e.g., between protocol layers of the protocol stack, within a device, component, or virtualized component associated with the network entity 105, or between devices, components, or virtualized components associated with the network entity 105), or any combination thereof.

[0191] The control signaling manager 1125 may be configured as or otherwise support means for sending control signaling to the UE via a first serving cell supported by the network entity, the control signaling indicating a first set of thresholds associated with a cell reselection procedure performed using an SSB and a second set of thresholds associated with a cell reselection procedure performed using an LP-SS. The SS manager 1130 may be configured as or otherwise support means for sending a first SS to the UE via the first serving cell based on the control signaling, the first SS being sent to a wake-up component of the UE during a time interval in which the baseband component of the UE is in a low-power operating state, wherein the first SS comprises an SSB or an LP-SS.

[0192] In some examples, the capability information manager 1135 may be configured as or otherwise support a component for receiving capability information from a UE, the capability information indicating the UE's ability to use a wake-up component and perform a cell reselection procedure based on a first SS, wherein sending control signaling, sending the first SS, or both is based on receiving the capability information.

[0193] In some examples, the control signaling manager 1125 can be configured as or otherwise support means for sending, via the control signaling, an indication of a resource set associated with an LP-SS transmitted by a first serving cell, where the first SS includes the LP-SS, and where the first SS is transmitted within the resource set.

[0194] In some examples, the control signaling manager 1125 may be configured as or otherwise support means for sending, via the control signaling, an indication of a set of parameters associated with measurements performed on the SS received by the wake-up component, wherein the set of parameters includes at least one of a time interval between measurements, a filtering operation, a number of measurements, and a number of DRX cycles between measurements.

[0195] In some examples, control signaling manager 1125 can be configured as or otherwise support means for sending, via the control signaling, an indication of a set of neighboring serving cells configured to transmit LP-SS within a frequency band associated with the first SS.

[0196] In some examples, the first SS includes an LP-SS associated with one or more parameters different from the SSB, the one or more parameters including at least one of a waveform, a modulation scheme, a transmit power, or a periodicity. In some examples, the first SS is associated with one of an OOK modulation scheme or an OFDM scheme.

[0197] Figure 12A diagram of a system 1200 is illustrated that includes a device 1205 that supports techniques for performing a cell reselection procedure using LP-WUR in accordance with one or more aspects of the present disclosure. The device 1205 may be an example of, or include components of, a device 905, a device 1005, or a network entity 105 as described herein. The device 1205 may communicate with one or more network entities 105, one or more UEs 115, or any combination thereof, which may include communication via one or more wired interfaces, via one or more wireless interfaces, or any combination thereof. The device 1205 may include components that support outgoing and incoming communications, such as a communication manager 1220, a transceiver 1210, an antenna 1215, a memory 1225, code 1230, and a processor 1235. These components may be in electronic communication or otherwise coupled (e.g., operatively, communicatively, functionally, electronically, electrically) via one or more buses (e.g., bus 1240).

[0198] The transceiver 1210 may support bidirectional communication via a wired link, a wireless link, or both as described herein. In some examples, the transceiver 1210 may include a wired transceiver and may communicate bidirectionally with another wired transceiver. Additionally or alternatively, in some examples, the transceiver 1210 may include a wireless transceiver and may communicate bidirectionally with another wireless transceiver. In some examples, the device 1205 may include one or more antennas 1215, which may be capable of (e.g., concurrently) transmitting or receiving wireless transmissions. The transceiver 1210 may also include a modem for modulating a signal, providing the modulated signal for transmission (e.g., via one or more antennas 1215, via a wired transmitter), receiving the modulated signal (e.g., from one or more antennas 1215, from a wired receiver), and demodulating the signal. In some implementations, the transceiver 1210 may include one or more interfaces, such as one or more interfaces coupled to one or more antennas 1215 configured to support various receive or obtain operations, or one or more interfaces coupled to one or more antennas 1215 configured to support various transmit or output operations, or a combination thereof. In some implementations, the transceiver 1210 may include or be configured to be coupled to one or more processors or memory components operable to perform or support operations based on received or obtained information or signals, or to generate information or other signals for transmission or other output, or any combination thereof. In some implementations, the transceiver 1210, or the transceiver 1210 and one or more antennas 1215, or the transceiver 1210 and one or more antennas 1215 and one or more processors or memory components (e.g., processor 1235 or memory 1225 or both) may be included in a chip or chip assembly installed in the device 1205. In some examples, the transceiver may be operable to support communications via one or more communication links (eg, communication link 125 , backhaul communication link 120 , midhaul communication link 162 , fronthaul communication link 168 ).

[0199] Memory 1225 may include RAM and ROM. Memory 1225 may store computer-readable, computer-executable code 1230 including instructions that, when executed by processor 1235, cause device 1205 to perform the various functions described herein. Code 1230 may be stored in a non-transitory computer-readable medium such as system memory or another type of memory. In some cases, code 1230 may not be directly executable by processor 1235, but may (e.g., when compiled and executed) cause a computer to perform the functions described herein. In some cases, memory 1225 may also contain, among other things, a BIOS that may control basic hardware or software operations, such as interaction with peripheral components or devices.

[0200] The processor 1235 may include an intelligent hardware device (e.g., a general-purpose processor, a DSP, an ASIC, a CPU, an FPGA, a microcontroller, a programmable logic device, a discrete gate or transistor logic component, a discrete hardware component, or any combination thereof). In some cases, the processor 1235 may be configured to operate a memory array using a memory controller. In some other cases, the memory controller may be integrated into the processor 1235. The processor 1235 may be configured to execute computer-readable instructions stored in a memory (e.g., memory 1225) to cause the device 1205 to perform various functions (e.g., functions or tasks supporting techniques for performing a cell reselection process using LP-WUR). For example, the device 1205 or a component of the device 1205 may include a processor 1235 and a memory 1225 coupled to the processor 1235, the processor 1235 and the memory 1225 being configured to perform the various functions described herein. The processor 1235 may be an example of a cloud computing platform (e.g., one or more physical nodes and supporting software such as an operating system, a virtual machine, or a container instance) that can host functionality (e.g., by executing code 1230) to perform the functions of the device 1205. The processor 1235 may be any one or more suitable processors capable of executing scripts or instructions of one or more software programs stored in the device 1205 (e.g., within the memory 1225). In some implementations, the processor 1235 may be a component of a processing system. A processing system may generally refer to a system or series of machines or components that receives inputs and processes those inputs to produce a set of outputs (which may be passed to, for example, other systems or components of the device 1205). For example, the processing system of the device 1205 may refer to a system that includes various other components or subcomponents of the device 1205 (such as the processor 1235, or the transceiver 1210, or the communication manager 1220, or other components or combinations of components of the device 1205). The processing system of device 1205 can interface with other components of device 1205 and can process information (such as input or signals) received from other components or output information to other components. For example, a chip or modem of device 1205 may include a processing system and one or more interfaces for outputting information or for obtaining information, or both. The one or more interfaces may be implemented as or otherwise include a first interface configured to output information and a second interface configured to obtain information, or the same interface configured to output information and obtain information, among other specific implementations. In some specific implementations, the one or more interfaces may refer to an interface between the processing system of the chip or modem and a transmitter that enables device 1205 to transmit information output from the chip or modem.Additionally or alternatively, in some implementations, one or more interfaces may refer to interfaces between a processing system of a chip or modem and a receiver, allowing device 1205 to obtain information or signal input and pass the information to the processing system. Those skilled in the art will readily recognize that a first interface may also obtain information or signal input, and a second interface may also output information or signal output.

[0201] In some examples, bus 1240 may support communications for (e.g., within) a protocol layer of a protocol stack. In some examples, bus 1240 may support communications associated with logical channels of a protocol stack (e.g., between protocol layers of a protocol stack), which may include communications performed within components of device 1205 or between different components of device 1205 that may be co-located or located in different locations (e.g., where device 1205 may refer to a system in which one or more of communication manager 1220, transceiver 1210, memory 1225, code 1230, and processor 1235 may be located in one of the different components or divided between the different components).

[0202] In some examples, communication manager 1220 can manage aspects of communications with core network 130 (e.g., via one or more wired or wireless backhaul links). For example, communication manager 1220 can manage the transfer of data communications for client devices, such as one or more UEs 115. In some examples, communication manager 1220 can manage communications with other network entities 105 and can include a controller or scheduler for coordinating communications with UEs 115 with other network entities 105. In some examples, communication manager 1220 can support an X2 interface within LTE / LTE-A wireless communication network technology to provide communications between network entities 105.

[0203] For example, the communication manager 1220 may be configured as or otherwise support means for sending control signaling to the UE via a first serving cell supported by the network entity, the control signaling indicating a first threshold set associated with a cell reselection procedure performed using SSB and a second threshold set associated with a cell reselection procedure performed using LP-SS. The communication manager 1220 may be configured as or otherwise support means for sending a first SS to the UE via the first serving cell based on the control signaling, the first SS being sent to a wake-up component of the UE during a time interval in which a baseband component of the UE is in a low-power operating state, wherein the first SS includes an SSB or an LP-SS.

[0204] By including or configuring the communication manager 1220 according to examples as described herein, the device 1205 may support techniques that enable the primary receiver (e.g., baseband component) of the UE 115 to remain in a low-power state (e.g., idle / inactive) for longer durations, thereby reducing power consumption at the UE 115. Specifically, by enabling the LP-WUR to receive SS and perform measurements for the cell reselection process, aspects of the present disclosure may reduce or eliminate the need for the primary radio component to "wake up" to perform cell reselection-related measurements, thereby reducing power consumption at the UE 115, improving battery life, and resulting in an overall improved user experience.

[0205] In some examples, the communication manager 1220 may be configured to perform various operations (e.g., receive, obtain, monitor, output, transmit) using or otherwise coordinating with the transceiver 1210, one or more antennas 1215 (e.g., where applicable), or any combination thereof. Although the communication manager 1220 is illustrated as a separate component, in some examples, one or more functions described with reference to the communication manager 1220 may be supported or performed by the transceiver 1210, the processor 1235, the memory 1225, the code 1230, or any combination thereof. For example, the code 1230 may include instructions executable by the processor 1235 to cause the device 1205 to perform various aspects of the techniques for performing a cell reselection process using LP-WUR as described herein, or the processor 1235 and the memory 1225 may be otherwise configured to perform or support such operations.

[0206] Figure 13 A flow chart illustrating a method 1300 for supporting techniques for performing a cell reselection process using LP-WUR according to one or more aspects of the present disclosure is illustrated. The operations of the method 1300 may be implemented by a UE or components thereof as described herein. For example, the operations of the method 1300 may be implemented by a UE or components thereof as described herein. Figures 1 to 8 The described functions may be performed by the UE 115. In some examples, the UE may execute an instruction set to control the functional elements of the UE to perform the described functions. Additionally or alternatively, the UE may use dedicated hardware to perform various aspects of the described functions.

[0207] At 1305, the method may include receiving a first SS from a first serving cell using a wake-up component of the UE, wherein the first SS is received during a time interval in which the baseband component of the UE is in a low power operating state. The operations of 1305 may be performed according to the examples disclosed herein. In some examples, aspects of the operations of 1305 may be performed as described in reference to Figure 7 The SS manager 725 described is executed.

[0208] At 1310, the method may include performing measurements on the first SS, the measurements being associated with a cell reselection process. The operations of 1310 may be performed according to examples as disclosed herein. In some examples, aspects of the operations of 1310 may be performed as described in reference to Figure 7 The described measurement manager 730 is executed.

[0209] At 1315, the method may include monitoring additional signals from the first serving cell, the second serving cell, or both based on whether the measurements satisfy one or more measurement thresholds associated with the cell reselection process. The operations of 1315 may be performed according to examples as disclosed herein. In some examples, aspects of the operations of 1315 may be performed as described in reference to Figure 7 The monitoring manager 735 described is executed.

[0210] Figure 14 A flowchart illustrating a method 1400 for supporting techniques for performing a cell reselection process using LP-WUR according to one or more aspects of the present disclosure is illustrated. The operations of the method 1400 may be implemented by a UE or components thereof as described herein. For example, the operations of the method 1400 may be implemented by a UE or components thereof as described herein. Figures 1 to 8 The described functions may be performed by the UE 115. In some examples, the UE may execute an instruction set to control the functional elements of the UE to perform the described functions. Additionally or alternatively, the UE may use dedicated hardware to perform various aspects of the described functions.

[0211] At 1405, the method may include receiving control signaling from a first serving cell indicating a first set of thresholds associated with a cell reselection process performed using SSB and a second set of thresholds associated with a cell reselection process performed using LP-SS. The operations of 1405 may be performed according to examples as disclosed herein. In some examples, aspects of the operations of 1405 may be performed as described in reference to Figure 7 The control signaling manager 740 described is executed.

[0212] At 1410, the method may include using a wake-up component of the UE to receive a first SS from a first serving cell, wherein the first SS is received during a time interval in which the baseband component of the UE is in a low power operating state. The operations of 1410 may be performed according to examples disclosed herein. In some examples, aspects of the operations of 1410 may be performed as described in reference to Figure 7 The SS manager 725 described is executed.

[0213] At 1415, the method may include performing measurements on the first SS, the measurements associated with the cell reselection process. The operations of 1415 may be performed according to examples as disclosed herein. In some examples, aspects of the operations of 1415 may be performed as described in reference to Figure 7The described measurement manager 730 is executed.

[0214] At 1420, the method may include comparing the measurement to a first set of thresholds based on the first SS including an SSB, or comparing the measurement to a second set of thresholds based on the first SS including an LP-SS. The operations of 1420 may be performed according to examples as disclosed herein. In some examples, aspects of the operations of 1420 may be performed as described in reference to Figure 7 The described measurement manager 730 is executed.

[0215] At 1425, the method may include monitoring additional signals from the first serving cell, the second serving cell, or both based on whether the measurements satisfy one or more measurement thresholds associated with the cell reselection process, wherein the monitoring is based on the comparison. The operations of 1425 may be performed according to examples as disclosed herein. In some examples, aspects of the operations of 1425 may be performed as described in reference to Figure 7 The monitoring manager 735 described is executed.

[0216] Figure 15 A flow chart illustrating a method 1500 for supporting techniques for performing a cell reselection process using LP-WUR according to one or more aspects of the present disclosure is illustrated. The operations of the method 1500 may be implemented by a network entity or component thereof as described herein. For example, the operations of the method 1500 may be implemented by a network entity or component thereof as described herein. Figures 1 to 4 as well as Figures 9 to 12 In some examples, the network entity may execute an instruction set to control the functional elements of the network entity to perform the described functions. Additionally or alternatively, the network entity may use dedicated hardware to perform various aspects of the described functions.

[0217] At 1505, the method may include sending control signaling to the UE via a first serving cell supported by the network entity, the control signaling indicating a first set of thresholds associated with a cell reselection procedure performed using SSB and a second set of thresholds associated with a cell reselection procedure performed using LP-SS. The operations of 1505 may be performed according to examples as disclosed herein. In some examples, aspects of the operations of 1505 may be performed as described in reference to Figure 11 The control signaling manager 1125 described is executed.

[0218] At 1510, the method may include sending a first SS to the UE via the first serving cell based on the control signaling, the first SS being sent to a wake-up component of the UE during a time interval in which the baseband component of the UE is in a low power operating state, wherein the first SS includes an SSB or a LP-SS. The operations of 1510 may be performed according to the examples disclosed herein. In some examples, aspects of the operations of 1510 may be performed as described in reference to Figure 11 The SS manager 1130 described is executed.

[0219] The following provides an overview of various aspects of the disclosure:

[0220] Aspect 1: A method for wireless communication at a UE, the method comprising: using a wake-up component of the UE to receive a first SS from a first serving cell, wherein the first SS is received during a time interval in which a baseband component of the UE is in a low-power operating state; performing measurements of the first SS, the measurements being associated with a cell reselection process; and monitoring additional signals from the first serving cell, a second serving cell, or both based at least in part on whether the measurements meet one or more measurement thresholds associated with the cell reselection process.

[0221] Aspect 2: The method according to aspect 1 further includes: receiving control signaling from the first serving cell, the control signaling indicating a first threshold set associated with a cell reselection process performed using SSB and a second threshold set associated with a cell reselection process performed using LP-SS; and comparing the measurement with the first threshold set based at least in part on the first SS including SSB, or comparing the measurement with the second threshold set based at least in part on the first SS including LP-SS, wherein the monitoring is based at least in part on the comparison.

[0222] Aspect 3: According to the method described in any one of Aspects 1 to 2, the method further includes: sending capability information to the first serving cell, the capability information indicating the ability of the UE to use the wake-up component and perform the cell reselection process based on receiving the first SS, wherein receiving the first SS is at least partially based on sending the capability information.

[0223] Aspect 4: According to any one of aspects 1 to 3, the method further includes: receiving control signaling, the control signaling indicating a resource set associated with the LP-SS sent by the first serving cell, wherein the first SS includes the LP-SS, and wherein the first SS is received within the resource set.

[0224] Aspect 5: According to the method described in any one of Aspects 1 to 4, the method further includes: receiving control signaling, the control signaling indicating a parameter set associated with measurements performed on the SS received by the wake-up component, wherein the measurements are performed according to the parameter set, wherein the parameter set includes at least one of a time interval between measurements, a filtering operation, a number of measurements, and a number of DRX cycles between measurements.

[0225] Aspect 6: The method according to any one of aspects 1 to 5, wherein the wake-up component is associated with a first DRX cycle, and the baseband component is associated with a second DRX cycle different from the first DRX cycle.

[0226] Aspect 7: According to the method described in any one of Aspects 1 to 6, the method further includes: communicating a message to the baseband component indicating that the baseband component is transitioning from the low-power operating state to a higher-power operating state based at least in part on determining that the measurement fails to meet the one or more measurement thresholds; and using the baseband component to monitor the additional SS based at least in part on the message.

[0227] Aspect 8: According to the method of any one of Aspects 1 to 7, the method also includes: using the wake-up component and receiving a second SS from the second serving cell during the time interval when the baseband component is in the low-power operating state, wherein the first SS and the second SS are associated with the first frequency band; performing additional measurements on the second SS, the additional measurements being associated with the cell reselection process; and communicating with the first serving cell, the second serving cell, or the third serving cell based at least in part on whether the measurements, the additional measurements, or both meet the one or more measurement thresholds.

[0228] Aspect 9: The method according to aspect 8 further includes: receiving control signaling, the control signaling indicating a set of neighboring serving cells configured to transmit LP-SS within the first frequency band, the set of neighboring serving cells including the second serving cell, wherein receiving the second SS is at least partially based on the control signaling.

[0229] Aspect 10: According to the method of aspect 9, the method also includes: communicating a message to the baseband component indicating that the baseband component transitions from the low-power operating state to a higher-power operating state based at least in part on determining that the measurement, the additional measurement, or both fail to meet the one or more measurement thresholds; and using the baseband component and at least in part based on the message to receive the additional SS from a second set of neighboring service cells configured to send LP-SS in a second frequency band different from the first frequency band, from a third set of neighboring service cells configured to send SSB, or both, wherein communicating with the first service cell, the second service cell, or the third service cell is at least in part based on using the baseband component to receive the additional SS.

[0230] Aspect 11: According to any one of aspects 1 to 10, the method further includes: using the wake-up component and receiving a second SS from the second serving cell during the time interval when the baseband component is in the low-power operating state, wherein the first SS is associated with a first frequency band and the second SS is associated with a second frequency band different from the first frequency band; performing additional measurements on the second SS, the additional measurements being associated with the cell reselection process; and communicating with the first serving cell, the second serving cell, or the third serving cell based at least in part on whether the measurements, the additional measurements, or both meet the one or more measurement thresholds.

[0231] Aspect 12: The method according to Aspect 11 further includes: communicating a message to the baseband component indicating that the baseband component is transitioning from the low-power operating state to a higher-power operating state based at least in part on determining that the measurement, the additional measurement, or both fail to satisfy the one or more measurement thresholds; and receiving the additional SS from at least one of the first service cell, the second service cell, or a third service cell configured to send SSB using the baseband component and based at least in part on the message.

[0232] Aspect 13: The method according to any one of aspects 1 to 12, wherein the first SS comprises an LP-SS associated with one or more parameters different from SSB, the one or more parameters comprising at least one of a waveform, a modulation scheme, a transmit power, or a periodicity.

[0233] Aspect 14: The method according to any one of aspects 1 to 13, wherein the first SS is associated with one of an OOK modulation scheme or an OFDM scheme.

[0234] Aspect 15: The method according to any one of aspects 1 to 14, wherein the wake-up component comprises a processor, an FPGA, or an ASIC.

[0235] Aspect 16: The method of any one of aspects 1 to 15, wherein the low-power operating state comprises one of an idle operating state or an inactive operating state.

[0236] Aspect 17: A method for wireless communication at a network entity, the method comprising: sending control signaling to a UE via a first serving cell supported by the network entity, the control signaling indicating a first threshold set associated with a cell reselection process performed using SSB and a second threshold set associated with a cell reselection process performed using LP-SS; and sending a first SS to the UE via the first serving cell based at least in part on the control signaling, the first SS being sent to a wake-up component of the UE during a time interval in which a baseband component of the UE is in a low power operating state, wherein the first SS comprises an SSB or an LP-SS.

[0237] Aspect 18: According to the method according to Aspect 17, the method also includes: receiving capability information from the UE, the capability information indicating the ability of the UE to use the wake-up component and perform a cell reselection process based on the first SS, wherein sending the control signaling, sending the first SS, or both is at least partially based on receiving the capability information.

[0238] Aspect 19: The method according to any one of aspects 17 to 18, further comprising: sending, via the control signaling, an indication of a resource set associated with the LP-SS transmitted by the first serving cell, wherein the first SS comprises an LP-SS, and wherein the first SS is transmitted within the resource set.

[0239] Aspect 20: According to any one of aspects 17 to 19, the method further includes: sending an indication of a parameter set associated with measurements performed on the SS received by the wake-up component via the control signaling, wherein the parameter set includes at least one of a time interval between measurements, a filtering operation, a number of measurements, and a number of DRX cycles between measurements.

[0240] Aspect 21: The method according to any one of aspects 17 to 20, further comprising: sending, via the control signaling, an indication of a set of neighboring serving cells configured to send LP-SS within a frequency band associated with the first SS.

[0241] Aspect 22: The method according to any one of aspects 17 to 21, wherein the first SS comprises an LP-SS associated with one or more parameters different from SSB, the one or more parameters comprising at least one of a waveform, a modulation scheme, a transmit power, or a periodicity.

[0242] Aspect 23: The method according to any one of aspects 17 to 22, wherein the first SS is associated with one of an OOK modulation scheme or an OFDM scheme.

[0243] Aspect 24: An apparatus comprising: a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform the method according to any one of aspects 1 to 16.

[0244] Aspect 25: An apparatus comprising: at least one component for performing the method according to any one of aspects 1 to 16.

[0245] Aspect 26: A non-transitory computer-readable medium storing code, the code comprising instructions executable by a processor to perform the method according to any one of aspects 1 to 16.

[0246] Aspect 27: An apparatus comprising: a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform a method according to any one of aspects 17 to 23.

[0247] Aspect 28: An apparatus comprising: at least one component for performing the method according to any one of aspects 17 to 23.

[0248] Aspect 29: A non-transitory computer-readable medium storing code, the code comprising instructions executable by a processor to perform the method according to any one of aspects 17 to 23.

[0249] It should be noted that the methods described herein describe possible implementations, and that the operations and steps may be rearranged or otherwise modified and that other implementations are possible. Furthermore, aspects from two or more methods may be combined.

[0250] Although aspects of LTE, LTE-A, LTE-A Pro, or NR systems may be described for example purposes, and the terminology of LTE, LTE-A, LTE-A Pro, or NR may be used throughout much of the description, the techniques described herein may also be applicable to networks other than LTE, LTE-A, LTE-A Pro, or NR networks. For example, the techniques described may be applicable to various other wireless communication systems, such as Ultra Mobile Broadband (UMB), Institute of Electrical and Electronics Engineers (IEEE) 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, Flash-OFDM, and other systems and radio technologies not explicitly mentioned herein.

[0251] The information and signals described herein may be represented by any of a variety of different technologies and techniques. For example, data, instructions, commands, information, signals, bits, symbols, and chips referred to throughout the description may be represented by voltages, currents, electromagnetic waves, magnetic fields or particles, optical fields or particles, or any combination thereof.

[0252] The various illustrative blocks and components described in conjunction with the disclosure herein may be implemented or executed using a general purpose processor, a DSP, an ASIC, a CPU, an FPGA or other programmable logic device, discrete gate or transistor logic components, discrete hardware components, or any combination thereof designed to perform the functions described herein. A general purpose processor may be a microprocessor, but in the alternative, the processor may be any processor, controller, microcontroller, or state machine. A processor may also be implemented as a combination of computing devices (e.g., a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors combined with a DSP core, or any other such configuration).

[0253] The functions described herein may be implemented using hardware, software executed by a processor, firmware, or any combination thereof. If implemented using software executed by a processor, the functions may be stored as one or more instructions or codes of a computer-readable medium, or sent using one or more instructions or codes of a computer-readable medium. Other examples and implementations are within the scope of this disclosure and the appended claims. For example, due to the nature of software, the functions described herein may be implemented using software executed by a processor, hardware, firmware, hard wiring, or a combination of any of these. Features that implement the functions may also be physically located at different locations, including being distributed so that various parts of the functions are implemented at different physical locations.

[0254] Computer-readable media includes both non-transient computer storage media and communication media, and the communication media includes any medium that promotes a computer program to be transferred from one location to another.Non-transient storage media can be any available medium that can be accessed by a general or special-purpose computer.By way of example and not limitation, non-transient computer-readable media can include RAM, ROM, electrically erasable programmable ROM (EEPROM), flash memory, compact disc (CD) ROM or other optical disc storage devices, magnetic disk storage devices or other magnetic storage devices, or can be used for carrying or storing desired program code components and any other non-transient medium that can be accessed by a general or special-purpose computer or a general or special-purpose processor in the form of an instruction or data structure.Moreover, any connection is appropriately referred to as computer-readable media.For example, if software is sent from a website, a server or other remote source using a coaxial cable, a fiber optic cable, a twisted pair, a digital subscriber line (DSL) or a wireless technology such as infrared, radio and microwave, then the coaxial cable, the fiber optic cable, the twisted pair, the DSL or the wireless technology such as infrared, radio and microwave are included in the definition of computer-readable media. As used herein, disks and optical discs include CDs, laser discs, optical discs, digital versatile discs (DVDs), floppy disks, and Blu-ray discs. Magnetic disks can reproduce data magnetically, and optical discs can reproduce data optically using lasers. Combinations of the above are also included within the scope of computer-readable media.

[0255] As used herein (including in the claims), "or" used in a list of items (e.g., a list of items followed by a phrase such as "at least one of" or "one or more of") indicates an inclusive list, so that, for example, a list of at least one of A, B, or C means A or B or C or AB or AC or BC or ABC (i.e., A and B and C). In addition, as used herein, the phrase "based on" should not be interpreted as a reference to a closed set of conditions. For example, an example step described as "based on condition A" can be based on both condition A and condition B without departing from the scope of this disclosure. In other words, as used herein, the phrase "based on" should be interpreted in the same manner as the phrase "based at least in part on."

[0256] The term "determining" encompasses a variety of actions, and thus, "determining" may include calculating, computing, processing, deriving, investigating, looking up (such as via looking up in a table, database, or other data structure), ascertaining, and the like. Furthermore, "determining" may include receiving (e.g., receiving information), accessing (e.g., accessing data stored in a memory), etc. Furthermore, "determining" may include parsing, retrieving, selecting, choosing, establishing, and other such similar actions.

[0257] In the drawings, similar components or features may have the same reference label. In addition, various components of the same type may be distinguished by following the reference label with a dash and a second label to distinguish between similar components. If only the first reference label is used in the specification, the description can apply to any of the similar components having the same first reference label, regardless of the second reference label or other subsequent reference labels.

[0258] The description set forth herein in conjunction with the accompanying drawings describes example configurations and does not represent all examples that may be implemented or within the scope of the claims. The term "example" as used herein means "serving as an example, instance, or illustration," rather than "preferred" or "having advantages over other examples." The detailed description includes specific details to provide an understanding of the described techniques. However, these techniques can be practiced without these specific details. In some cases, known structures and devices are shown in block diagram form to avoid obscuring the concepts of the described examples.

[0259] The description herein is provided to enable one of ordinary skill in the art to make or use the present disclosure. Various modifications to the present disclosure will be apparent to those of ordinary skill in the art, and the general principles defined herein may be applied to other variations without departing from the scope of the present disclosure. Thus, the present disclosure is not limited to the examples and designs described herein, but should be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An apparatus for wireless communication at a user equipment (UE), the apparatus comprising: processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to: receiving, using a wake-up component of the UE, a first synchronization signal from a first serving cell, wherein the first synchronization signal is received during a time interval in which a baseband component of the UE is in a low power operating state; performing a measurement of the first synchronization signal, the measurement being associated with a cell reselection procedure; as well as Monitoring for additional signals from the first serving cell, the second serving cell, or both is based at least in part on whether the measurements satisfy one or more measurement thresholds associated with the cell reselection procedure.

2. The apparatus of claim 1 , wherein the instructions are further executable by the processor to cause the apparatus to: receiving control signaling from the first serving cell, the control signaling indicating a first set of thresholds associated with a cell reselection procedure performed using synchronization signal blocks and a second set of thresholds associated with a cell reselection procedure performed using low-power synchronization signals; and The measurement is compared to the first set of thresholds based at least in part on the first synchronization signal including a synchronization signal block, or the measurement is compared to the second set of thresholds based at least in part on the first synchronization signal including a low power synchronization signal, wherein the monitoring is based at least in part on the comparison.

3. The apparatus of claim 1 , wherein the instructions are further executable by the processor to cause the apparatus to: Capability information is sent to the first serving cell, the capability information indicating an ability of the UE to use the wake-up component and perform the cell reselection procedure based on receiving the first synchronization signal, wherein receiving the first synchronization signal is based at least in part on sending the capability information.

4. The apparatus of claim 1 , wherein the instructions are further executable by the processor to cause the apparatus to: Control signaling is received, the control signaling indicating a set of resources associated with a low power synchronization signal transmitted by the first serving cell, wherein the first synchronization signal comprises a low power synchronization signal, and wherein the first synchronization signal is received within the set of resources.

5. The apparatus of claim 1 , wherein the instructions are further executable by the processor to cause the apparatus to: receiving control signaling indicating a set of parameters associated with measurements performed on synchronization signals received by the wake-up component, wherein the measurements are performed according to the set of parameters, wherein the set of parameters includes at least one of a time interval between measurements, a filtering operation, a number of measurements, and a number of discontinuous reception cycles between measurements.

6. The apparatus of claim 1, wherein the wake-up component is associated with a first discontinuous reception cycle, and wherein the baseband component is associated with a second discontinuous reception cycle different from the first discontinuous reception cycle.

7. The apparatus of claim 1 , wherein the instructions are further executable by the processor to cause the apparatus to: communicating a message to the baseband component instructing the baseband component to transition from the low-power operating state to a higher-power operating state based at least in part on determining that the measurement fails to satisfy the one or more measurement thresholds; and The additional synchronization signal is monitored using the baseband component based at least in part on the message.

8. The apparatus of claim 1 , wherein the instructions are further executable by the processor to cause the apparatus to: receiving, using the wake-up component and during the time interval in which the baseband component is in the low-power operating state, a second synchronization signal from the second serving cell, wherein the first synchronization signal and the second synchronization signal are associated with a first frequency band; performing additional measurements on the second synchronization signal, the additional measurements being associated with the cell reselection procedure; as well as Communicating with the first serving cell, the second serving cell, or a third serving cell is performed based at least in part on whether the measurement, the additional measurement, or both satisfy the one or more measurement thresholds.

9. The apparatus of claim 8, wherein the instructions are further executable by the processor to cause the apparatus to: Control signaling is received, the control signaling indicating a set of neighbor serving cells configured to transmit a low-power synchronization signal within the first frequency band, the set of neighbor serving cells including the second serving cell, wherein receiving the second synchronization signal is based at least in part on the control signaling.

10. The apparatus of claim 9, wherein the instructions are further executable by the processor to cause the apparatus to: communicating a message to the baseband component instructing the baseband component to transition from the low-power operating state to a higher-power operating state based at least in part on a determination that the measurement, the additional measurement, or both fail to satisfy the one or more measurement thresholds; and The additional synchronization signal is received using the baseband component and at least in part based on the message from a second set of neighboring service cells configured to send low-power synchronization signals in a second frequency band different from the first frequency band, from a third set of neighboring service cells configured to send synchronization signal blocks, or both, wherein communication with the first service cell, the second service cell, or the third service cell is at least in part based on receiving the additional synchronization signal using the baseband component.

11. The apparatus of claim 1 , wherein the instructions are further executable by the processor to cause the apparatus to: receiving, using the wake-up component and during the time interval in which the baseband component is in the low-power operating state, a second synchronization signal from the second serving cell, wherein the first synchronization signal is associated with a first frequency band and the second synchronization signal is associated with a second frequency band different from the first frequency band; performing additional measurements on the second synchronization signal, the additional measurements being associated with the cell reselection procedure; and Communicating with the first serving cell, the second serving cell, or a third serving cell is performed based at least in part on whether the measurement, the additional measurement, or both satisfy the one or more measurement thresholds.

12. The apparatus of claim 11, wherein the instructions are further executable by the processor to cause the apparatus to: communicating a message to the baseband component instructing the baseband component to transition from the low-power operating state to a higher-power operating state based at least in part on a determination that the measurement, the additional measurement, or both fail to satisfy the one or more measurement thresholds; and The additional synchronization signal is received from at least one of the first serving cell, the second serving cell, or a third serving cell configured to send synchronization signal blocks using the baseband component and based at least in part on the message.

13. The apparatus of claim 1 , wherein the first synchronization signal comprises a low-power synchronization signal associated with one or more parameters that are different from a synchronization signal block, the one or more parameters comprising at least one of a waveform, a modulation scheme, a transmit power, or a periodicity.

14. The apparatus of claim 1, wherein the first synchronization signal is associated with one of an on-off keying modulation scheme or an orthogonal frequency domain modulation scheme.

15. The apparatus of claim 1, wherein the wake-up component comprises a processor, a field programmable gate array (FPGA), or an application specific integrated circuit (ASIC).

16. The device of claim 1, wherein the low-power operating state comprises one of an idle operating state or an inactive operating state.

17. An apparatus for wireless communication at a network entity, the apparatus comprising: processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to: sending control signaling to a user equipment (UE) via a first serving cell supported by the network entity, the control signaling indicating a first set of thresholds associated with a cell reselection procedure performed using a synchronization signal block and a second set of thresholds associated with a cell reselection procedure performed using a low power synchronization signal; and A first synchronization signal is sent to the UE via the first serving cell at least in part based on the control signaling, wherein the first synchronization signal is sent to the wake-up component of the UE during a time interval when the baseband component of the UE is in a low-power operating state, wherein the first synchronization signal includes a synchronization signal block or a low-power synchronization signal.

18. The apparatus of claim 17, wherein the instructions are further executable by the processor to cause the apparatus to: Capability information is received from the UE, the capability information indicating an ability of the UE to use the wake-up component and perform a cell reselection procedure based on the first synchronization signal, wherein sending the control signaling, sending the first synchronization signal, or both is based at least in part on receiving the capability information.

19. The apparatus of claim 17, wherein the instructions are further executable by the processor to cause the apparatus to: An indication of a set of resources associated with a low power synchronization signal transmitted by the first serving cell is transmitted via the control signaling, wherein the first synchronization signal comprises a low power synchronization signal, and wherein the first synchronization signal is transmitted within the set of resources.

20. The apparatus of claim 17, wherein the instructions are further executable by the processor to cause the apparatus to: An indication of a set of parameters associated with measurements performed on synchronization signals received by the wake-up component is sent via the control signaling, wherein the set of parameters includes at least one of a time interval between measurements, a filtering operation, a number of measurements, and a number of discontinuous reception cycles between measurements.

21. The apparatus of claim 17, wherein the instructions are further executable by the processor to cause the apparatus to: An indication of a set of neighbor serving cells configured to transmit a low power synchronization signal within a frequency band associated with the first synchronization signal is sent via the control signaling.

22. The apparatus of claim 17, wherein the first synchronization signal comprises a low-power synchronization signal associated with one or more parameters that are different from a synchronization signal block, the one or more parameters comprising at least one of a waveform, a modulation scheme, a transmit power, or a periodicity.

23. The apparatus of claim 17, wherein the first synchronization signal is associated with one of an on-off keying modulation scheme or an orthogonal frequency domain modulation scheme.

24. A method for wireless communication at a user equipment (UE), the method comprising: receiving, using a wake-up component of the UE, a first synchronization signal from a first serving cell, wherein the first synchronization signal is received during a time interval in which a baseband component of the UE is in a low power operating state; performing a measurement of the first synchronization signal, the measurement being associated with a cell reselection procedure; as well as Monitoring for additional signals from the first serving cell, the second serving cell, or both is based at least in part on whether the measurements satisfy one or more measurement thresholds associated with the cell reselection procedure.

25. The method according to claim 24, further comprising: receiving control signaling from the first serving cell, the control signaling indicating a first set of thresholds associated with a cell reselection procedure performed using synchronization signal blocks and a second set of thresholds associated with a cell reselection procedure performed using low-power synchronization signals; and The measurement is compared to the first set of thresholds based at least in part on the first synchronization signal including a synchronization signal block, or the measurement is compared to the second set of thresholds based at least in part on the first synchronization signal including a low power synchronization signal, wherein the monitoring is based at least in part on the comparison.

26. The method according to claim 24, further comprising: Capability information is sent to the first serving cell, the capability information indicating an ability of the UE to use the wake-up component and perform the cell reselection procedure based on receiving the first synchronization signal, wherein receiving the first synchronization signal is based at least in part on sending the capability information.

27. The method according to claim 24, further comprising: Control signaling is received, the control signaling indicating a set of resources associated with a low power synchronization signal transmitted by the first serving cell, wherein the first synchronization signal comprises a low power synchronization signal, and wherein the first synchronization signal is received within the set of resources.

28. The method of claim 24, further comprising: receiving control signaling indicating a set of parameters associated with measurements performed on synchronization signals received by the wake-up component, wherein the measurements are performed according to the set of parameters, wherein the set of parameters includes at least one of a time interval between measurements, a filtering operation, a number of measurements, and a number of discontinuous reception cycles between measurements.

29. The method of claim 24, wherein the wake-up component is associated with a first discontinuous reception cycle, and wherein the baseband component is associated with a second discontinuous reception cycle different from the first discontinuous reception cycle.

30. The method of claim 24, further comprising: communicating a message to the baseband component instructing the baseband component to transition from the low-power operating state to a higher-power operating state based at least in part on determining that the measurement fails to satisfy the one or more measurement thresholds; as well as The additional synchronization signal is monitored using the baseband component based at least in part on the message.

31. The method of claim 24, further comprising: receiving, using the wake-up component and during the time interval in which the baseband component is in the low-power operating state, a second synchronization signal from the second serving cell, wherein the first synchronization signal and the second synchronization signal are associated with a first frequency band; performing additional measurements on the second synchronization signal, the additional measurements being associated with the cell reselection procedure; as well as Communicating with the first serving cell, the second serving cell, or a third serving cell is performed based at least in part on whether the measurement, the additional measurement, or both satisfy the one or more measurement thresholds.

32. The method according to claim 31 , further comprising: Control signaling is received, the control signaling indicating a set of neighbor serving cells configured to transmit a low-power synchronization signal within the first frequency band, the set of neighbor serving cells including the second serving cell, wherein receiving the second synchronization signal is based at least in part on the control signaling.

33. The method of claim 32, further comprising: communicating a message to the baseband component instructing the baseband component to transition from the low-power operating state to a higher-power operating state based at least in part on determining that the measurement, the additional measurement, or both fail to satisfy the one or more measurement thresholds; as well as The additional synchronization signal is received using the baseband component and at least in part based on the message from a second set of neighboring service cells configured to send low-power synchronization signals in a second frequency band different from the first frequency band, from a third set of neighboring service cells configured to send synchronization signal blocks, or both, wherein communication with the first service cell, the second service cell, or the third service cell is at least in part based on receiving the additional synchronization signal using the baseband component.

34. The method of claim 24, further comprising: receiving, using the wake-up component and during the time interval in which the baseband component is in the low-power operating state, a second synchronization signal from the second serving cell, wherein the first synchronization signal is associated with a first frequency band and the second synchronization signal is associated with a second frequency band different from the first frequency band; performing additional measurements on the second synchronization signal, the additional measurements being associated with the cell reselection procedure; as well as Communicating with the first serving cell, the second serving cell, or a third serving cell is performed based at least in part on whether the measurement, the additional measurement, or both satisfy the one or more measurement thresholds.

35. The method of claim 34, further comprising: communicating a message to the baseband component instructing the baseband component to transition from the low-power operating state to a higher-power operating state based at least in part on determining that the measurement, the additional measurement, or both fail to satisfy the one or more measurement thresholds; as well as The additional synchronization signal is received from at least one of the first serving cell, the second serving cell, or a third serving cell configured to send synchronization signal blocks using the baseband component and based at least in part on the message.

36. A method according to claim 24, wherein the first synchronization signal comprises a low-power synchronization signal associated with one or more parameters that are different from the synchronization signal block, the one or more parameters including at least one of a waveform, a modulation scheme, a transmit power, or a periodicity.

37. The method of claim 24, wherein the first synchronization signal is associated with one of an on-off keying modulation scheme or an orthogonal frequency domain modulation scheme.

38. The method of claim 24, wherein the wake-up component comprises a processor, a field programmable gate array (FPGA), or an application specific integrated circuit (ASIC).

39. The method of claim 24, wherein the low-power operating state comprises one of an idle operating state or an inactive operating state.

40. A method for wireless communication at a network entity, the method comprising: sending control signaling to a user equipment (UE) via a first serving cell supported by the network entity, the control signaling indicating a first set of thresholds associated with a cell reselection procedure performed using a synchronization signal block and a second set of thresholds associated with a cell reselection procedure performed using a low power synchronization signal; and A first synchronization signal is sent to the UE via the first serving cell at least in part based on the control signaling, wherein the first synchronization signal is sent to the wake-up component of the UE during a time interval when the baseband component of the UE is in a low-power operating state, wherein the first synchronization signal includes a synchronization signal block or a low-power synchronization signal.

41. The method of claim 40, further comprising: Capability information is received from the UE, the capability information indicating an ability of the UE to use the wake-up component and perform a cell reselection procedure based on the first synchronization signal, wherein sending the control signaling, sending the first synchronization signal, or both is based at least in part on receiving the capability information.

42. The method of claim 40, further comprising: An indication of a set of resources associated with a low power synchronization signal transmitted by the first serving cell is transmitted via the control signaling, wherein the first synchronization signal comprises a low power synchronization signal, and wherein the first synchronization signal is transmitted within the set of resources.

43. The method of claim 40, further comprising: An indication of a set of parameters associated with measurements performed on synchronization signals received by the wake-up component is sent via the control signaling, wherein the set of parameters includes at least one of a time interval between measurements, a filtering operation, a number of measurements, and a number of discontinuous reception cycles between measurements.

44. The method of claim 40, further comprising: An indication of a set of neighbor serving cells configured to transmit a low power synchronization signal within a frequency band associated with the first synchronization signal is sent via the control signaling.

45. A method according to claim 40, wherein the first synchronization signal comprises a low-power synchronization signal associated with one or more parameters that are different from the synchronization signal block, the one or more parameters including at least one of a waveform, a modulation scheme, a transmit power, or a periodicity.

46. ​​The method of claim 40, wherein the first synchronization signal is associated with one of an on-off keying modulation scheme or an orthogonal frequency domain modulation scheme.

47. An apparatus for wireless communication at a user equipment (UE), the apparatus comprising: means for receiving a first synchronization signal from a first serving cell using a wake-up component of the UE, wherein the first synchronization signal is received during a time interval when a baseband component of the UE is in a low power operating state; means for performing measurements on the first synchronization signal, the measurements being associated with a cell reselection procedure; as well as means for monitoring additional signals from the first serving cell, the second serving cell, or both based at least in part on whether the measurements satisfy one or more measurement thresholds associated with the cell reselection procedure.

48. An apparatus for wireless communication at a network entity, the apparatus comprising: means for sending control signaling to a user equipment (UE) via a first serving cell supported by the network entity, the control signaling indicating a first set of thresholds associated with a cell reselection procedure performed using synchronization signal blocks and a second set of thresholds associated with a cell reselection procedure performed using a low power synchronization signal; as well as A component for sending a first synchronization signal to the UE via the first serving cell based at least in part on the control signaling, wherein the first synchronization signal is sent to the wake-up component of the UE during a time interval when the baseband component of the UE is in a low-power operating state, wherein the first synchronization signal comprises a synchronization signal block or a low-power synchronization signal.

49. A non-transitory computer-readable medium storing code for wireless communication at a user equipment (UE), the code comprising instructions executable by a processor to: receiving, using a wake-up component of the UE, a first synchronization signal from a first serving cell, wherein the first synchronization signal is received during a time interval in which a baseband component of the UE is in a low power operating state; performing measurements on the first synchronization signal, the measurements being associated with a cell reselection procedure; and Monitoring for additional signals from the first serving cell, the second serving cell, or both is based at least in part on whether the measurements satisfy one or more measurement thresholds associated with the cell reselection procedure.

50. A non-transitory computer-readable medium storing code for wireless communication at a network entity, the code comprising instructions executable by a processor to: sending control signaling to a user equipment (UE) via a first serving cell supported by the network entity, the control signaling indicating a first set of thresholds associated with a cell reselection procedure performed using a synchronization signal block and a second set of thresholds associated with a cell reselection procedure performed using a low power synchronization signal; and A first synchronization signal is sent to the UE via the first serving cell at least in part based on the control signaling, wherein the first synchronization signal is sent to the wake-up component of the UE during a time interval when the baseband component of the UE is in a low-power operating state, wherein the first synchronization signal includes a synchronization signal block or a low-power synchronization signal.

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