Search space cluster switching for monitoring sleep

Abstract

Aspects of the present disclosure generally relate to search space cluster switching for monitoring sleep. In some aspects, a user equipment (UE) may switch from a first group of a search space set for monitoring a physical downlink control channel (PDCCH) to an empty group of the search space set. The UE may refrain from monitoring the PDCCH based at least in part on a handover to the null group. In some aspects, the UE may switch from a first group of PDCCH search space sets to at least one dormant group of PDCCH search space sets identified in the configuration information. The UE may also process one or more PDCCH search space sets of at least one sleep group of the PDCCH search space sets based at least in part on the received configuration information. Numerous other aspects are provided.

Description

[0001] This application is a continuation of Patent Application No. 17 / 454,527, titled “SEARCH SPACE SET GROUP SWITCHING FOR MONITORING DORMANCY,” filed November 11, 2021, which claims priority to U.S. Provisional Patent Application No. 63 / 198,806, titled “SEARCH SPACE SET GROUP SWITCHING FOR MONITORING DORMANCY,” filed November 13, 2020, U.S. Provisional Patent Application No. 63 / 202,826, titled “SEARCH SPACE SET GROUP SWITCHING FOR MONITORING DORMANCY,” filed June 25, 2021, U.S. Provisional Patent Application No. 63 / 138,739, titled “TECHNIQUES FOR PDCCH SKIPPING BASED ON PDCCH SEARCH SPACE SET GROUP SWITCHING,” filed January 18, 2021, and U.S. Non-Provisional Patent Application No. 17 / 454,527, titled “SEARCH SPACE SET GROUP SWITCHING FOR MONITORING DORMANCY,” filed November 11, 2021, which are hereby expressly incorporated by reference herein.

[0002] Cross Reference to Related Applications

[0003] This Patent Application claims priority to U.S. Provisional Patent Application No. 63 / 198,806, titled “SEARCH SPACE SET GROUP SWITCHING FOR MONITORING DORMANCY,” filed November 13, 2020, U.S. Provisional Patent Application No. 63 / 202,826, titled “SEARCH SPACE SET GROUP SWITCHING FOR MONITORING DORMANCY,” filed June 25, 2021, U.S. Provisional Patent Application No. 63 / 138,739, titled “TECHNIQUES FOR PDCCH SKIPPING BASED ON PDCCH SEARCH SPACE SET GROUP SWITCHING,” filed January 18, 2021, and U.S. Non-Provisional Patent Application No. 17 / 454,527, titled “SEARCH SPACE SET GROUP SWITCHING FOR MONITORING DORMANCY,” filed November 11, 2021, which are hereby expressly incorporated by reference herein.

[0004] Field of the Disclosure

[0005] Aspects of the present disclosure relate generally to wireless communication, and more specifically to techniques and apparatuses for switching search space set groups for monitoring dormancy. BACKGROUND

[0006] Wireless communication systems are widely deployed to provide various telecommunication services such as telephony, video, data, messaging, and broadcasts. Typical wireless communication systems can employ multiple-access technologies capable of supporting communication with multiple users by sharing available system resources (e.g., bandwidth, transmit power). Examples of such multiple-access technologies include code division multiple access (CDMA) systems, time division multiple access (TDMA) systems, frequency division multiple access (FDMA) systems, orthogonal frequency division multiple access (OFDMA) systems, single-carrier frequency division multiple access (SC-FDMA) systems, time division synchronous code division multiple access (TD-SCDMA) systems, and long term evolution (LTE). LTE / LTE-Advanced is a set of enhancements to the Universal Mobile Telecommunications System (UMTS) mobile standard promulgated by the Third Generation Partnership Project (3 GPP).

[0007] A wireless network can include a number of base stations (BSs) that can support communication for a number of user equipment (UEs). A UE can communicate with a BS via the downlink and uplink. “Downlink” or “forward link” refers to communication from the BS to the UE, and “uplink” or “reverse link” refers to communication from the UE to the BS. As will be described in more detail herein, a BS can be referred to as a Node B, a gNB, an access point (AP), a radio head, a transmit receive point (TRP), a new radio (NR) BS, or a 5G Node B.

[0008] The above multiple access technologies have been adopted in various telecommunication standards to provide a common protocol that enables different user equipment to communicate on a municipal, national, regional, and even global level. NR, which can also be referred to as 5G, is a set of enhancements to the LTE mobile standard promulgated by the 3 GPP. NR is designed to better support mobile broadband Internet access by improving spectral efficiency, lowering costs, improving services, making use of new spectrum, and better integrating with other open standards using OFDM with a cyclic prefix (CP) (CP-OFDM) on the downlink (DL), using CP- OFDM and / or SC-FDM (e.g., also known as discrete Fourier transform spread orthogonal frequency division multiplexing (DFT-s-OFDM)) on the uplink (UL), as well as supporting beamforming, multiple input multiple output (MIMO) antenna technology, and carrier aggregation. However, as the demand for mobile broadband access continues to increase, there exists a need for further improvements in LTE, NR, and other radio access technologies.

[0009] SUMMARY

[0010] In some aspects, a method of wireless communication performed by a user equipment (UE) includes switching, in a first carrier, from a first group of search space sets for monitoring a physical downlink control channel (PDCCH) to a dormant group of search space sets; and refraining from monitoring the PDCCH based at least in part on switching to the dormant group.

[0011] In some aspects, a method of wireless communication, performed by a base station, includes determining that a UE is to switch, in a first carrier, from a first group of search space sets for monitoring a PDCCH to a dormant group of search space sets; and transmitting, to the UE, an indication to switch to the dormant group, such that the UE refrains from monitoring the PDCCH based at least in part on switching to the dormant group.

[0012] In some aspects, a method of wireless communication, performed by a UE, includes switching, in a first carrier, from a first group of search space sets for monitoring a PDCCH to a first non-dormant group of search space sets. The UE can be restricted from switching, in the first carrier, from the first group to a dormant group of search space sets. The method can include switching from the first non-dormant group to the dormant group; and refraining from monitoring the PDCCH based at least in part on switching to the dormant group.

[0013] In some aspects, a UE for wireless communication includes a memory and one or more processors coupled to the memory and configured to switch, in a first carrier, from a first group of search space sets for monitoring a PDCCH to a dormant group of search space sets; and refrain from monitoring the PDCCH based at least in part on switching to the dormant group.

[0014] In some aspects, a base station for wireless communication includes a memory and one or more processors coupled to the memory and configured to determine that a UE is to switch, in a first carrier, from a first group of search space sets for monitoring a PDCCH to a dormant group of search space sets; and transmit, to the UE, an indication to switch to the dormant group, such that the UE refrains from monitoring the PDCCH based at least in part on switching to the dormant group.

[0015] In some aspects, a UE for wireless communication includes a memory and one or more processors coupled to the memory and configured to switch, in a first carrier, from a first group of search space sets for monitoring a PDCCH to a first non-dormant group of search space sets. The UE can be restricted from switching, in the first carrier, from the first group to a dormant group of search space sets. The one or more processors can be configured to switch from the first non-dormant group to the dormant group; and refrain from monitoring the PDCCH based at least in part on switching to the dormant group.

[0016] In some aspects, a non-transitory computer-readable medium storing a set of instructions for wireless communication includes one or more instructions that, when executed by one or more processors of a UE, cause the UE to switch, in a first carrier, from a first group of search space sets to monitor a PDCCH to a dormant group of search space sets; and refrain from monitoring the PDCCH based at least in part on switching to the dormant group.

[0017] In some aspects, a non-transitory computer-readable medium storing a set of instructions for wireless communication includes one or more instructions that, when executed by one or more processors of a base station, cause the base station to determine that a UE is to switch, in a first carrier, from a first group of search space sets to monitor a PDCCH to a dormant group of search space sets; and transmit, to the UE, an indication to switch to the dormant group, to cause the UE to refrain from monitoring the PDCCH based at least in part on switching to the dormant group.

[0018] In some aspects, a non-transitory computer-readable medium storing a set of instructions for wireless communication includes one or more instructions that, when executed by one or more processors of a UE, cause the UE to switch, in a first carrier, from a first group of search space sets to monitor a PDCCH to a first non-dormant group of search space sets, wherein the UE is restricted to switch, in the first carrier, from the first group to a dormant group of search space sets; switch from the first non-dormant group to the dormant group; and refrain from monitoring the PDCCH based at least in part on switching to the dormant group.

[0019] In some aspects, an apparatus for wireless communication includes means for switching, in a first carrier, from a first group of search space sets to monitor a PDCCH to a dormant group of search space sets; and means for refraining from monitoring the PDCCH based at least in part on switching to the dormant group.

[0020] In some aspects, an apparatus for wireless communication includes means for determining that a UE is to switch, in a first carrier, from a first group of search space sets to monitor a PDCCH to a dormant group of search space sets; and means for transmitting, to the UE, an indication to switch to the dormant group, to cause the UE to refrain from monitoring the PDCCH based at least in part on switching to the dormant group.

[0021] In some aspects, an apparatus for wireless communication can include means for switching, in a first carrier, from a first group of search space sets to monitor a PDCCH to a first non-dormant group of search space sets; wherein the apparatus is restricted to switch, in the first carrier, from the first group to a dormant group of search space sets; switch from the first non-dormant group to the dormant group; and refrain from monitoring the PDCCH based at least in part on switching to the dormant group.

[0022] In some aspects, a method of wireless communication, performed by a UE, includes receiving configuration information including information identifying one or more dormant groups of a set of physical downlink control channel (PDCCH) search spaces. The method can include switching from a first group of the set of PDCCH search spaces to at least one dormant group of the set of PDCCH search spaces, of the identified one or more dormant groups of the set of PDCCH search spaces. The method can include processing one or more PDCCH search spaces, of the at least one dormant group of the set of PDCCH search spaces, based at least in part on the received configuration information.

[0023] In some aspects, an apparatus configured for wireless communication includes means for receiving configuration information including information identifying one or more dormant groups of a set of PDCCH search spaces. The apparatus can include means for switching from a first group of the set of PDCCH search spaces to at least one dormant group of the set of PDCCH search spaces, of the identified one or more dormant groups of the set of PDCCH search spaces. The apparatus can include means for processing one or more PDCCH search spaces, of the at least one dormant group of the set of PDCCH search spaces, based at least in part on the received configuration information.

[0024] In some aspects, a non-transitory computer-readable medium storing a set of instructions for wireless communication includes one or more instructions that, when executed by one or more processors of a UE, cause the UE to receive configuration information including information identifying one or more dormant groups of a set of PDCCH search spaces. The instructions, when executed by the one or more processors of the UE, cause the UE to switch from a first group of the set of PDCCH search spaces to at least one dormant group of the set of PDCCH search spaces, of the identified one or more dormant groups of the set of PDCCH search spaces. The instructions, when executed by the one or more processors of the UE, cause the UE to process one or more PDCCH search spaces, of the at least one dormant group of the set of PDCCH search spaces, based at least in part on the received configuration information.

[0025] In some aspects, a UE for wireless communication includes a memory and one or more processors coupled to the memory and configured to receive configuration information including information identifying one or more dormant groups of a set of PDCCH search spaces. The one or more processors can be configured to switch from a first group of the set of PDCCH search spaces to at least one dormant group of the set of PDCCH search spaces in the identified one or more dormant groups of the set of PDCCH search spaces. The one or more processors can be configured to cause the UE to process one or more PDCCH search spaces in the at least one dormant group of the set of PDCCH search spaces based at least in part on the received configuration information.

[0026] In some aspects, a method of wireless communication performed by a base station includes transmitting configuration information including information identifying one or more dormant groups of a set of PDCCH search spaces, the one or more dormant groups of the set of PDCCH search spaces including one or more PDCCH search spaces to be processed based at least in part on the received configuration information. The method can include transmitting an indication to switch from a first group of the set of PDCCH search spaces to at least one dormant group of the set of PDCCH search spaces in the identified one or more dormant groups of the set of PDCCH search spaces, where the at least one dormant group of the set of PDCCH search spaces includes the one or more PDCCH search spaces.

[0027] In some aspects, an apparatus configured for wireless communication includes means for transmitting configuration information including information identifying one or more dormant groups of a set of PDCCH search spaces, the one or more dormant groups of the set of PDCCH search spaces including one or more PDCCH search spaces to be processed based at least in part on the received configuration information. The apparatus can include means for transmitting an indication to switch from a first group of the set of PDCCH search spaces to at least one dormant group of the set of PDCCH search spaces in the identified one or more dormant groups of the set of PDCCH search spaces, where the at least one dormant group of the set of PDCCH search spaces includes the one or more PDCCH search spaces.

[0028] In some aspects, a non-transitory computer-readable medium storing a set of instructions for wireless communication includes one or more instructions that, when executed by one or more processors of a base station, cause the base station to transmit configuration information including information identifying one or more dormant groups of PDCCH search space sets that include one or more PDCCH search space sets to be processed based at least in part on the received configuration information. The instructions, when executed by the one or more processors of the base station, cause the base station to transmit an indication to switch from a first group of PDCCH search space sets to at least one dormant group of PDCCH search space sets of the identified one or more dormant groups of PDCCH search space sets, where the at least one dormant group of PDCCH search space sets includes the one or more PDCCH search space sets.

[0029] In some aspects, a base station configured for wireless communication includes a memory and one or more processors coupled to the memory, the one or more processors configured to transmit configuration information including information identifying one or more dormant groups of PDCCH search space sets that include one or more PDCCH search space sets to be processed. The one or more processors can be configured to transmit an indication to switch from a first group of PDCCH search space sets to at least one dormant group of PDCCH search space sets of the identified one or more dormant groups of PDCCH search space sets, where the at least one dormant group of PDCCH search space sets includes the one or more PDCCH search space sets.

[0030] Aspects generally include a method, apparatus, system, computer program product, non-transitory computer-readable medium, user equipment, base station, wireless communication device, and / or processing system as substantially described herein with reference to and as illustrated by the accompanying drawings and specification.

[0031] The foregoing has outlined rather broadly the features and technical advantages of examples according to the disclosure in order that the detailed description that follows can be better understood. Additional features and advantages will be described hereinafter. The disclosed conception and specific examples can be readily utilized as bases for modifying or designing other structures for carrying out the same purposes of the disclosure. Such equivalent constructions are not to be regarded as a departure from the scope of the accompanying claims. The characteristics of the concepts disclosed herein, both their organization and their method of operation, together with associated advantages will be better understood from the following description when considered in connection with the accompanying drawings. Each of the figures is provided for the purpose of illustration and description, and is not intended as a definition of the limits of the claims. BRIEF DESCRIPTION OF DRAWINGS

[0032] For a more complete understanding of the above-described features of the present disclosure, reference is made to the detailed description taken in connection with the accompanying drawings in which various aspects are illustrated by way of example. The drawings may, however, not be to scale and are merely intended to conceptually illustrate the various aspects described herein. Like numbers used in the figures refer to like components, steps and the like. However, the application is not limited to the embodiments illustrated in the figures.

[0033] Figure 1 is a diagram illustrating an example of a wireless network, in accordance with the present disclosure.

[0034] Figure 2 is a diagram illustrating an example of a base station in communication with user equipment (UE) in a wireless network, in accordance with the present disclosure.

[0035] Figure 3 is a diagram illustrating an example resource structure for wireless communication, in accordance with the present disclosure.

[0036] Figure 4 is a diagram illustrating an example of dynamic switching between search space set groups, in accordance with the present disclosure.

[0037] Figure 5 is a diagram illustrating an example of switching search space set groups for monitoring dormancy, in accordance with the present disclosure.

[0038] Figure 6 is a diagram illustrating an example of switching between multiple search space set groups, in accordance with the present disclosure.

[0039] Figure 7 is a diagram illustrating an example process performed, for example, by a UE, in accordance with the present disclosure.

[0040] Figure 8 is a diagram illustrating an example process performed, for example, by a base station, in accordance with the present disclosure.

[0041] Figures 9-10 is a block diagram of an example apparatus for wireless communication, in accordance with the present disclosure.

[0042] Figure 11 is a diagram illustrating an example process performed, for example, by a UE, in accordance with the present disclosure.

[0043] Figure 12 is a block diagram of an example apparatus for wireless communication, in accordance with the present disclosure.

[0044] Figure 13 is a diagram illustrating a method for PDCCH skipping based on PDCCH search space set groups, in accordance with the present disclosure.

[0045] Figure 14is a diagram illustrating another method for PDCCH skipping based on PDCCH search space set group switching according to this disclosure.

[0046] Figure 15 is a diagram illustrating an example of PDCCH skipping based on PDCCH search space set group switching according to this disclosure.

[0047] Figure 16 is a diagram illustrating another example of PDCCH skipping based on PDCCH search space set group switching according to this disclosure.

[0048] Figure 17 is a block diagram illustrating a design of a UE configured according to this disclosure.

[0049] Figure 18 is a block diagram illustrating a design of a base station configured according to this disclosure. DETAILED DESCRIPTION

[0050] Various aspects of the disclosure are described more fully below. However, the disclosure may be implemented in any of numerous ways, and should not be construed as limited to any specific structure or function presented throughout this disclosure. Rather, these aspects are provided as illustrative examples so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. The scope of the disclosure is intended to cover any aspect of the disclosure disclosed herein, whether implemented independently of or combined with any other aspect of the disclosure. For example, an apparatus can be implemented or a method can be practiced using any number of the aspects set forth herein. In addition, the scope of the disclosure is intended to cover such apparatus or method which

[0051] Several aspects of telecommunication systems will now be presented with reference to various apparatus and methods. These apparatus and methods will be described in the following detailed description and illustrated in the accompanying drawings by various blocks, modules, components, circuits, steps, processes, algorithms, etc. (collectively referred to as "elements"). These elements can be implemented using hardware, software, or combinations thereof. Whether such elements are implemented as hardware or software depends on the particular application and design constraints imposed on the overall system.

[0052] It should be noted that while aspects can be described herein using terminology commonly associated with a 5G or NR radio access technology (RAT), aspects of the present disclosure can be applied to other RATs, such as a 3G RAT, a 4G RAT, and / or a RAT subsequent to 5G (e.g., 6G) or other networks such as a Code Division Multiple Access (CDMA) network, a Time Division Multiple Access (TDMA) network, a Frequency Division Multiple Access (FDMA) network, an Orthogonal FDMA (OFDMA) network, a Single-Carrier FDMA (SC-FDMA) network, a LTE network, or a GSM network.

[0053] A CDMA network, for example, can implement a radio technology such as Universal Terrestrial Radio Access (UTRA), cdma2000, and / or the like. UTRA includes Wideband- CDMA (W-CDMA) and Low Chip Rate (LCR). CDMA2000 covers IS-2000, IS-95, and IS-856 standards.

[0054] A TDMA network can implement a radio technology such as Global System for Mobile Communications (GSM). An example of a 3rd Generation Partnership Project (3GPP) defined radio access technology is the GSM EDGE (enhanced data rates for GSM evolution) radio access network (RAN), also denoted as GERAN. GERAN is the radio component of a GSM / EDGE network, together with the

[0055] An OFDMA network can implement a radio technology such as evolved UTRA (E- UTRA), Institute of Electrical and Electronics Engineers (IEEE) 802.11, IEEE 802.16, IEEE 802.20, flash-OFDM, etc. UTRA, E-UTRA, and GSM are part of universal mobile telecommunication system (UMTS). In particular, long term evolution (LTE) is a release of UMTS that uses E-UTRA. UTRA, E-UTRA, GSM, UMTS and LTE are described in documents from an organization named “3rd Generation Partnership Project” (3GPP) and cdma2000 is described in documents from an organization named “3rd Generation Partnership Project 2” (3GPP2). These various radio technologies and standards are known or are being developed. For example, the 3GPP is a collaboration between groups of telecommunications associations that aims to define a globally applicable third generation (3G) mobile phone specification. 3GPP LTE is a project to improve the UMTS mobile phone standard to cope with future requirements. The 3GPP may define specifications for next generation mobile networks, mobile systems, and mobile devices. The present disclosure can describe certain aspects with reference to LTE, 4G, or 5G NR technology; however, the description is not intended to be limited to a particular technology or application, and one or more aspects described with reference to one technology can be understood as applicable to another technology. Additionally, one or more aspects of the present disclosure can relate to shared access to wireless spectrum between networks using different radio access technologies or radio air interfaces.

[0056] 5G networks contemplate diverse deployment scenarios, diverse spectrum, and diverse services and devices that can be implemented using an OFDM-based unified air interface. To achieve these goals, further enhancements to LTE and LTE-A are considered in addition to development of a new radio access technology for 5G NR networks. 5G NR will be capable of scaling to provide coverage for a very high density of 2 IoT; (2) mission critical control with strong security, ultra-high reliability (e.g., 99.9999% reliability), ultra-low latency (e.g., 1 ms), and users with a wide range of mobility or lack thereof; and (3) massive Internet of Things (IoT) with extreme connectivity and low energy. 2

[0057] ​Figure 1 is a diagram illustrating an example of a wireless network 100, in accordance with the present disclosure. The wireless network 100 can be or can include elements of a 5G (NR) network and / or a LTE network, among other examples. The wireless network 100 can include a number of base stations 110 (shown as BS 110a, BS 110b, BS 110c, and BS 1 lOd) and other network entities. A base station (BS) is an entity that communicates with user equipment (UEs) and can also be referred to as an NR BS, a NodeB, a gNB, a 5G NB (NB), an access point, or a transmit receive point (TRP). Each BS can provide communication coverage for a particular geographic area. In 3GPP, the term “cell” can refer to a coverage area of a BS and / or a BS subsystem serving the coverage area, depending on the context in which the term is used.

[0058] BSs can be macro BSs, pico BSs, femto BSs, and / or other types of BSs. A macro BS can cover a relatively large geographic area (e.g., several kilometers in radius) and can allow unrestricted access by UEs with service subscriptions. A pico BS can cover a relatively small geographic area (e.g., a city street) and can allow unrestricted access by UEs with service subscriptions. A femto BS can cover a relatively small geographic area (e.g., a home) and can allow restricted access by UEs with service subscriptions, e.g., UEs in an closed subscriber group (CSG). A BS for a macro cell can be referred to as a macro BS. A BS for a pico cell can be referred to as a pico BS. A BS for a femto cell can be referred to as a femto BS or a home BS. In the example shown in FIG. 1, the BS 110a can be a macro BS for a macro cell 102a, the BS 110b can be a pico BS for a pico cell 102b, and the BS 110c can be a femto BS for a femto cell 102c. A BS can support one or multiple (e.g., three) cells. The terms “eNB,” “base station,” “NR BS,” “gNB,” “TRP,” “AP,” “Node B,” “5G NB,” and “cell” can be used interchangeably herein. Figure 1

[0059] In some aspects, a cell can not necessarily be stationary, and the geographic area of the cell can move according to the location of a mobile BS. In some aspects, a BS can be interconnected to one or more other BSs or network nodes (not shown) in the wireless network 100 by various types of backhaul interfaces such as a direct physical connection or virtual network, using any suitable transport network.

[0060] ​Wireless network 100 can also include relay stations. A relay station is an entity that can receive a transmission of data from an upstream station (e.g., a BS or a UE) and send a transmission of the data to a downstream station (e.g., a UE or a BS). A relay station can also be a UE that can relay transmissions for other UEs. In the example shown in FIG. 1, a relay BS 1 lOd can communicate with macro BS 110a and a UE 120d in order to facilitate communications between BS 110a and UE 120d. A relay BS can also be referred to as a relay station, a relay base station, or a relay. Figure 1 In the example shown in FIG. 1, relay BS 1 lOd can communicate with macro BS 110a and a UE 120d in order to facilitate communications between BS 110a and UE 120d. A relay BS can also be referred to as a relay station, a relay base station, or a relay.

[0061] Wireless network 100 can be a heterogeneous network that includes BSs of different types, such as macro BSs, pico BSs, femto BSs, and / or relay BSs. These different types of BSs can have different transmit power levels, different coverage areas, and different impacts on interference in wireless network 100. For example, macro BSs can have a high transmit power level (e.g., 5 to 40 watts) whereas pico BSs, femto BSs, and relay BSs can have lower transmit power levels (e.g., 0.1 to 2 watts).

[0062] A network controller 130 can couple to a set of BSs and can provide coordination and control for these BSs. Network controller 130 can communicate with the BSs via a backhaul. The BSs can also communicate with one another directly or indirectly via a wireless or wireline backhaul.

[0063] UEs 120 (e.g., 120a, 120b, 120c) can be dispersed throughout wireless network 100, and each UE can be stationary or mobile. A UE can also be referred to as an access terminal, a terminal, a mobile station, a subscriber unit, a station, etc. A UE can be a cellular phone (e.g., a smart phone), a personal digital assistant (PDA), a wireless modem, a wireless communication device, a handheld device, a laptop computer, a cordless phone, a wireless local loop (WLL) station, a tablet, a camera, a gaming device, a netbook, a smartbook, an ultrabook, medical equipment or devices, biometric sensors / devices, wearable devices (smart watches, smart clothing, smart glasses, smart wrist bands, smart jewelry (e.g., smart rings, smart bracelets)), an entertainment device (e.g., a music or video device, or a satellite radio), a vehicular component or sensor, a smart meter / sensor, industrial manufacturing equipment, a global positioning system device, or any other suitable device that is configured to communicate via a wireless or wired medium.

[0064] Some UEs can be considered machine-type communication (MTC) or evolved or enhanced machine-type communication (eMTC) UEs. MTC and eMTC UEs include, for example, robots, drones, remote devices, sensors, meters, monitors, and / or location tags, that can communicate with a base station, another device (e.g., remote device), or some other entity. A wireless node can provide, for example, connectivity for or to a network (e.g., a wide area network such as the Internet or a cellular network) via a wired or wireless communication link. Some UEs can be considered Internet-of-Things (IoT) UEs, and / or can be implemented as NB-IoT (narrowband

[0065] In general, any number of wireless networks can be deployed in a given geographic area. Each wireless network can support a particular RAT and can operate on one or more frequencies. A RAT can also be referred to as a radio technology, and / or an air interface. Frequencies can also be referred to as carriers and / or frequency channels. Each frequency can support a single RAT so as to avoid interference between wireless networks of different RATs. In some cases, NR or 5G RAT networks can be deployed.

[0066] In some aspects, two or more UEs 120 (e.g., shown as UE 120a and UE 120e) can communicate directly using one or more sidelink channels (e.g., without using base station 110 as an intermediary to communicate with one another). For example, UE 120 can communicate using peer-to-peer (P2P) communications, device-to-device (D2D) communications, vehicle-to-everything (V2X) protocols (e.g., which can include vehicle-to-vehicle (V2V) protocols or vehicle-to-infrastructure (V2I) protocols), and / or a mesh network. In this case, UE 120 can perform scheduling operations, resource selection operations, and / or other operations described elsewhere herein as being performed by base station 110.

[0067] Devices of wireless network 100 can communicate using the electromagnetic spectrum, which can be subdivided based on frequency or wavelength into various classes, bands, channels, and so on. For example, devices of wireless network 100 can communicate using an operating band having a first frequency range (FR1), which can span from 410 MHz to 7.125 GHz, and / or can communicate using an operating band having a second frequency range (FR2), which can span from 24.25 GHz to 52.6 GHz. The frequencies between FR1 and FR2 are sometimes referred to as mid-band frequencies. Although a portion of FR1 is greater than 6 GHz, FR1 is often referred to as a “sub-6 GHz” band. Similarly, FR2 is often referred to as a “millimeter wave” band despite being different from the extremely high frequency (EHF) band (30 GHz - 300 GHz) identified by the International Telecommunications Union (ITU) as a “millimeter wave” band. Thus, unless specifically stated otherwise, it should be understood that the term “sub-6 GHz” or the like means frequencies less than 6 GHz, frequencies within FR1, and / or mid-band frequencies (e.g., greater than 7.125 GHz) if used herein. Similarly, unless specifically stated otherwise, it should be understood that the term “millimeter wave” or the like means frequencies within FR2, frequencies within the EHF band (e.g., less than 24.25 GHz), and / or mid-band frequencies (e.g., greater than 52.6 GHz) if used herein. It is contemplated that the frequencies included in FR1 and FR2 can be modified, and techniques described herein are applicable to those modified frequency ranges.

[0068] 5G NR devices, networks, and systems can be implemented to use optimized OFDM- based waveform characteristics. These characteristics can include: scalable numerology and transmission time interval (TTI); a common, flexible framework to efficiently multiplex services and features using dynamic low-latency time -division duplex (TDD) or frequency-division duplex (FDD) designs; and advanced wireless technologies such as massive multiple input, multiple output (MIMO), robust mmWave transmissions, advanced channel coding, and device-centric mobility. Scalability of the numerology in 5G NR (and scaling of subcarrier spacing) can efficiently address operating diverse services across diverse spectrum and diverse deployments. For example, in various outdoor and macro coverage deployments of sub-3 GHz FDD or TDD implementations, subcarrier spacing can occur, for example, at 15 kHz over 1, 5, 10, 20 MHz, etc. bandwidth. For other various outdoor and small cell coverage deployments of TDD greater than 3 GHz, subcarrier spacing can occur at 30 kHz over 80 / 100 MHz bandwidth. For other various indoor wideband implementations, by using TDD over the unlicensed portion of the 5 GHz band, subcarrier spacing can occur at 60 kHz over a 160 MHz bandwidth. Finally, for various deployments transmitting mmWave components at 28 GHz in TDD, subcarrier spacing can occur at 120 kHz over a 500 MHz bandwidth.

[0069] The scalable numerology of 5G NR facilitates a scalable TTI to meet various latency and quality of service (QoS) requirements. For example, shorter TTIs can be used for low latency and high reliability, while longer TTIs can be used for higher spectral efficiency. Efficient multiplexing of long and short TTIs allows transmissions to start at symbol boundaries. 5G NR also contemplates a self-contained, integrated subframe design with uplink or downlink scheduling information, data, and acknowledgement in the same subframe. The self-contained, integrated subframe supports communications in unlicensed or contention-based shared spectrum and adaptive uplink or downlink that can be flexibly configured on a per-cell basis to dynamically switch between uplink and downlink to meet current traffic needs.

[0070] As indicated above, Figure 1 is provided by way of example. Other examples can differ from the examples Figure 1 described.

[0071] Figure 2is a diagram illustrating an example 200 in which a base station 110 communicates with UEs 120 in the wireless network 100 according to this disclosure. The base station 110 can be equipped with T antennas 234a through 234t, and the UE 120 can be equipped with R antennas 252a through 252r, where in general T > 1 and R > 1.

[0072] At the base station 110, a transmit processor 220 can receive data from a data source 212 for one or more UEs, select one or more modulation and coding schemes (MCS) for each UE based at least in part on channel quality indicators (CQIs) received from the UE, process (e.g., encode and modulate) the data for each UE based at least in part on the MCS(s) selected for the UE, and provide data symbols for all UEs. The transmit processor 220 can also process system information (e.g., for semi-static resource partitioning information (SRPI)) and control information (e.g., CQI requests, grants, upper layer signaling) and provide overhead symbols and control symbols. The transmit processor 220 can also generate reference symbols for reference signals (e.g., a cell-specific reference signal (CRS), a demodulation reference signal (DMRS)) and synchronization signals (e.g., a primary synchronization signal (PSS) or a secondary synchronization signal (SSS)). A transmit (TX) multiple-input multiple-output (MIMO) processor 230 can perform spatial processing (e.g., precoding) on the data symbols, the control symbols, the overhead symbols, and / or the reference symbols, if applicable, and can provide output symbol streams to the T modulators (MOD) 232a through 232t. Each modulator 232 can process a respective output symbol stream (e.g., for OFDM) to obtain an output sample stream. Each modulator 232 can further process (e.g., convert to analog, amplify, filter, and upconvert) the output sample stream to obtain a downlink signal. T downlink signals from modulators 232a through 232t can be transmitted via T antennas 234a through 234t, respectively. T T T

[0073] At the UE 120, antennas 252a through 252r can receive the downlink signals from the base station 110 and / or other base stations and can provide received signals to demodulators (DEMOD) 254a through 254r, respectively. Each demodulator 254 can condition (e.g., filter, amplify, downconvert, and digitize) a received signal to obtain input samples. Each demodulator 254 can further process the input samples (e.g., for OFDM) to obtain received symbols. A MIMO detector 256 can obtain received symbols from all R demodulators 254a through 254r, perform MIMO detection on the symbols if applicable, and provide detected symbols. A receive processor 258 can process (e.g., decode) the detected symbols, provide decoded data for the UE to a data sink 260, and provide decoded control information and system information to a controller / processor 280. R ​​​The received symbols from demodulator 254a through 254r, where applicable, are subjected to MIMO detection and decoded to provide decoded data symbols. A receive processor 258 can process (e.g., demodulate and decode) the decoded data symbols, provide decoded data for UE 120 to a data sink 260, and provide decoded control information and system information to a controller / processor 280. The term “controller / processor” can refer to one or more controllers, one or more processors, or combinations thereof. A channel processor can determine reference signal received power (RSRP) parameters, received signal strength indicator (RSSI) parameters, reference signal received quality (RSRQ) parameters, and / or CQI parameters, among other examples. In some aspects, one or more components of UE 120 can be included in a housing 284.

[0074] Network controller 130 can include communication unit 294, controller / processor 290, and memory 292. Network controller 130 can include, for example, one or more devices in a core network. Network controller 130 can communicate with base station 110 via communication unit 294.

[0075] Antennas (e.g., antennas 234a through 234t and / or antennas 252a through 252r) can include or be included in one or more antenna panels, antenna groups, sets of antenna elements, and / or antenna arrays, among other examples. An antenna panel, antenna group, set of antenna elements, and / or antenna array can include one or more antenna elements. An antenna panel, antenna group, set of antenna elements, and / or antenna array can include a set of co-planar antenna elements and / or a set of non-coplanar antenna elements. An antenna panel, antenna group, set of antenna elements, and / or antenna array can include antenna elements within a single housing and / or antenna elements within multiple housings. An antenna panel, antenna group, set of antenna elements, and / or antenna array can include one or more antenna elements coupled to one or more transmit and / or receive components (such as one or more components of communication management module 220, one or more components of reception component 222, one or more components of transmission component 224, one or more components of antenna 234a through 234t, one or more components of antenna 252a through 252r, and / or one or more components of antenna 254a through 254r). Figure 2

[0076] ​On the uplink, at UE 120, a transmit processor 264 can receive and process data from a data source 262 and control information (e.g., for reports comprising RSRP, RSSI, RSRQ, and / or CQI) from controller / processor 280. Transmit processor 264 can also generate reference symbols for one or more reference signals. The symbols from transmit processor 264 can be precoded by a TX MIMO processor 266 if applicable, further processed by modulators 254a through 254r (e.g., for DFT-s-OFDM or CP-OFDM), and transmitted to base station 110. In some aspects, a modulator and a demodulator (e.g., MOD / DEMOD 254) of the UE 120 can be included in a modem of the UE 120. In some aspects, the UE 120 includes a transceiver. The transceiver can include any combination of antenna(s) 252, modulators and / or demodulators 254, MIMO detector 256, receive processor 258, transmit processor 264, and / or TX MIMO processor 266. The transceiver can be used by a processor (e.g., controller / processor 280) and memory 282 to perform any of the methods described herein (for example, as described with reference to Figures 4-18 FIGS. 15 and 16).

[0077] At base station 110, the uplink signals from UE 120 and other UEs can be received by antennas 234, processed by demodulators 232, detected by a MIMO detector 236 if applicable, and further processed by a receive processor 238 to obtain decoded data and control information sent by UE 120. Receive processor 238 can provide the decoded data to a data sink 239 and the decoded control information to controller / processor 240. Base station 110 can include communication unit 244 and communicate to network controller 130 via communication unit 244. Base station 110 can include scheduler 246 to schedule UEs 120 for downlink and / or uplink communications. In some aspects, a modulator and a demodulator (e.g., MOD / DEMOD 232) of the base station 110 can be included in a modem of the base station 110. In some aspects, the base station 110 includes a transceiver. The transceiver can include any combination of antenna(s) 234, modulators and / or demodulators 232, MIMO detector 236, receive processor 238, transmit processor 220, and / or TX MIMO processor 230. The transceiver can be used by a processor (e.g., controller / processor 240) and memory 242 to perform any of the methods described herein (for example, as described with reference to Figures 4-18 FIGS. 15 and 16).

[0078] The controller / processor 240 of base station 110, the controller / processor 280 of UE 120, and / or Figure 2 Any other component may perform one or more techniques associated with switching the search space cluster for monitoring hibernation, as described in more detail elsewhere in this document. For example, the controller / processor 240 of base station 110, the controller / processor 280 of UE 120, and / or Figure 2 Any other component that can execute or direct, for example Figure 7 The process 700 Figure 8 The process 800 Figure 11 Process 1100 Figure 13 Process 1300 Figure 14 The operation of process 1400 and / or other processes as described herein. Memory 242 and 282 may store data and program code for base station 110 and UE 120, respectively. In some aspects, memory 242 and / or memory 282 may include: a non-transient computer-readable medium storing one or more instructions (e.g., code and / or program code) for wireless communication. For example, when executed by one or more processors of base station 110 and / or UE 120 (e.g., directly executed, or executed after compilation, transformation, and / or interpretation), the one or more processors, UE 120, and / or base station 110 may cause the one or more processors, UE 120, and / or base station 110 to perform or direct, for example... Figure 7 The process 700 Figure 8 The process 800 Figure 11 Process 1100 Figure 13 Process 1300 Figure 14 The process 1400, and / or other processes as described herein. In some respects, the execution instructions may include run instructions, translate instructions, compile instructions, and / or interpret instructions, etc.

[0079] In some aspects, UE 120 includes: means for switching from a first group of a search space set for monitoring the physical downlink control channel (PDCCH) to a dormant group of the search space set in a first carrier; and / or means for suppressing monitoring of the PDCCH at least in part based on the switch to the dormant group. Means for UE 120 to perform the operations described herein may include, for example, one or more of antenna 252, demodulator 254, MIMO detector 256, receive processor 258, transmit processor 264, TXMIMO processor 266, modulator 254, controller / processor 280, or memory 282.

[0080] In some aspects, the UE 120 includes: means for receiving a switching rule for switching to a dormant group, wherein switching to the dormant group comprises: switching to the dormant group based at least in part on determining that one or more conditions satisfy the switching rule.

[0081] In some aspects, the UE 120 includes: means for switching from the dormant group to a non-dormant group based at least in part on receiving an indication to switch to the non-dormant group.

[0082] In some aspects, the UE 120 includes: means for switching from the dormant group to a non-dormant group in the first carrier based at least in part on expiration of the dormancy timer.

[0083] In some aspects, the UE 120 includes: means for switching from the dormant group to a non-dormant group based at least in part on determining that communication activity in the first carrier satisfies an activity threshold, wherein the non-dormant group is one of a designated search space set group, a previous search space set group, or a default search space set group.

[0084] In some aspects, the base station 110 includes: means for determining that a UE is to switch from a first group of search space sets for monitoring a PDCCH to a dormant group of search space sets in a first carrier; and / or means for transmitting, to the UE, an indication to switch to the dormant group, to cause the UE to refrain from monitoring the PDCCH based at least in part on switching to the dormant group. The means for the base station 110 to perform operations described herein can include, for example, one or more of transmit processor 220, TX MIMO processor 230, modulator 232, antenna 234, demodulator 232, MIMO detector 236, receive processor 238, controller / processor 240, memory 242, or scheduler 246.

[0085] In some aspects, the base station 110 includes: means for transmitting, to the UE, a configuration that specifies the UE is to switch to a dormant group based at least in part on determining that inactivity on the PDCCH satisfies an inactivity threshold.

[0086] In some aspects, the base station 110 includes: means for transmitting, to the UE, a switching rule for switching to a dormant group, wherein the switching rule specifies that the UE is to switch to the dormant group based at least in part on determining that one or more conditions satisfy the switching rule.

[0087] In some aspects, the base station 110 includes: means for transmitting, to the UE, an indication to switch from a dormant group to a non-dormant group in a first carrier.

[0088] In some aspects, the base station 110 includes: means for transmitting, to the UE, a value of a dormancy timer, wherein the UE is to switch from a dormant group to a non-dormant group based at least in part on expiration of the dormancy timer.

[0089] In some aspects, the UE 120 includes: means for switching, in a first carrier, from a first group of search space sets for monitoring a PDCCH to a first non-dormant group of search space sets, wherein the UE is restricted to switch from the first group to a dormant group of search space sets in the first carrier; means for switching from the first non-dormant group to the dormant group; and / or means for refraining from monitoring the PDCCH based at least in part on switching to the dormant group. The means for the UE 120 to perform operations described herein can include, for example, one or more of antenna 252, demodulator 254, MIMO detector 256, receive processor 258, transmit processor 264, TX MIMO processor 266, modulator 254, controller / processor 280, or memory 282.

[0090] In some aspects, the UE 120 includes: means for receiving configuration information including information identifying one or more dormant groups of PDCCH search space sets; means for switching from a first group of PDCCH search space sets to at least one dormant group of PDCCH search space sets of the identified one or more dormant groups of PDCCH search space sets; and / or means for processing one or more PDCCH search space sets in the at least one dormant group of PDCCH search space sets based at least in part on the received configuration information.

[0091] In some aspects, the base station 110 includes: means for transmitting configuration information including information identifying one or more dormant groups of PDCCH search space sets, the one or more dormant groups of PDCCH search space sets including one or more PDCCH search space sets to be processed based at least in part on the received configuration information; and means for transmitting an indication to switch from a first group of PDCCH search space sets to at least one dormant group of PDCCH search space sets of the identified one or more dormant groups of PDCCH search space sets, wherein the at least one dormant group of PDCCH search space sets includes the one or more PDCCH search space sets.

[0092] Although Figure 2The blocks in may be illustrated as distinct components, but the functionality described above in relation to these blocks can be implemented in a single hardware, software, or combined component or a combination of various components. For example, the functionality described in relation to transmit processor 264, receive processor 258, and / or TX MIMO processor 266 can be performed by controller / processor 280 or under the control of controller / processor 280.

[0093] As indicated above, Figure 2 are provided by way of example. Other examples can differ from those described in relation to Figure 2 the examples described in relation to

[0094] Figure 3 is a diagram illustrating an example resource structure 300 for wireless communication, in accordance with the present disclosure. The resource structure 300 shows examples of various resource groups described herein. As shown, the resource structure 300 can include a subframe 305. The subframe 305 can include a number of slots 310. While the resource structure 300 is shown including 2 slots per subframe, a different number of slots (e.g., 4 slots, 8 slots, 16 slots, 32 slots) can be included in a subframe. In some aspects, different types of transmission time intervals (TTIs) can be used in addition to or instead of subframes and / or slots. The slots 310 can include a number of symbols 315, such as 14 symbols per slot.

[0095] A potential control region of a slot 310 can be referred to as a control resource set (CORESET) 320 and can be structured to support efficient use of resources, such as by flexibly configuring or reconfiguring resources for one or more physical downlink control channels (PDCCHs) and / or one or more physical downlink shared channels (PDSCHs). In some aspects, the CORESET 320 can occupy the first symbol 315 of a slot 310, the first two symbols 315 of a slot 310, or the first three symbols 315 of a slot 310. As such, the CORESET 320 can include a number of resource blocks (RBs) in the frequency domain, and one, two, or three symbols 315 in the time domain. In 5G, the number of resources included in a CORESET 320 can be flexibly configured, such as by using radio resource control (RRC) signaling to indicate a frequency domain region (e.g., number of resource blocks) and / or a time domain region (e.g., number of symbols) of a CORESET 320.

[0096] As illustrated, a symbol 315 including a CORESET 320 can include one or more control channel elements (CCEs) 325, shown as two CCEs 325 spanning a portion of the system bandwidth, as an example. The CCEs 325 can include downlink control information (DCI) for providing control information for wireless communications. A base station can transmit DCI during a number of CCEs 325, as shown, where the number of CCEs 325 used for a DCI transmission represents an aggregation level (AL) used by the BS for the DCI transmission. In Figure 3 As an example, an aggregation level of two is shown, corresponding to two CCEs 325 in the slot 310. In some aspects, different aggregation levels can be used, such as 1, 2, 4, 8, 16, etc.

[0097] Each CCE 325 can include a fixed number of resource element groups (REGs) 330, shown as 6 REGs 330, or can include a variable number of REGs 330. In some aspects, the number of REGs 330 included in a CCE 325 can be specified by a REG bundling size. A REG 330 can include one resource block, which can include 12 resource elements (REs) 335 within a symbol 315. A resource element 335 can occupy one subcarrier in the frequency domain and one OFDM symbol in the time domain.

[0098] A search space can include all possible locations (e.g., in time and / or frequency) where a PDCCH can be located. A CORESET 320 can include one or more search spaces, such as a UE-specific search space, a group common search space, and / or a common search space. A search space can indicate a set of CCE locations where a PDCCH can be found that can be potentially used to transmit control information to a UE. Possible locations of a PDCCH can depend on whether the PDCCH is a UE-specific PDCCH (e.g., for a single UE) or a group common PDCCH (e.g., for multiple UEs), an aggregation level being used, etc. Possible locations of a PDCCH (e.g., in time and / or frequency) can be referred to as a PDCCH candidate, and a set of all possible PDCCH locations at an aggregation level can be referred to as a search space. For example, a set of all possible PDCCH locations for a particular UE can be referred to as a UE-specific search space. Similarly, a set of all possible PDCCH locations across all UEs can be referred to as a common search space. A set of all possible PDCCH locations for a particular group of UEs can be referred to as a group common search space. One or more search spaces across aggregation levels can be referred to as a search space set. A UE can monitor for PDCCHs in a search space set.

[0099] As indicated above, Figure 3are provided as examples. Other examples can differ from what is described Figure 3 described examples.

[0100] Figure 4 is a diagram illustrating an example 400 of dynamic switching between groups of search space sets according to the present disclosure.

[0101] A UE can dynamically switch groups of search space sets to quickly access a channel in an unlicensed band and conserve power in a licensed band. For example, the UE can monitor PDCCH in a first group. The first group can be a default group that the UE monitors if no specific group is indicated (e.g., group 1 of example 400). The default group can be a group that the UE monitors upon expiration of a timer for monitoring another group. In an unlicensed band, the default group can be a group that the UE monitors outside of a channel occupancy time (COT). In an unlicensed band, the default group can involve frequent PDCCH monitoring, such as one or more monitoring occasions per slot, where each occasion can be, for example, two symbols. Frequent PDCCH monitoring provides more transmission opportunities after channel access through a listen-before-talk (LBT) procedure, which reduces the risk of another contending transmitter node losing the medium. In a licensed band, the default group can involve less frequent PDCCH monitoring, such as monitoring once every n number of slots, or less than one monitoring occasion per slot. The UE can use less frequent PDCCH monitoring to reduce power consumption.

[0102] Group 2 in example 400 can involve less frequent PDCCH monitoring in an unlicensed band and can be used during a COT. In another aspect, group 2 can involve more frequent PDCCH monitoring in a licensed band for higher performance. Higher performance can include higher throughput and / or lower latency. For higher performance, the UE can monitor more occasions per slot. The UE can switch to group 2 when there is more traffic and stay or switch to group 1 when there is less traffic. The UE can switch groups depending on explicit indication in DCI or a medium access control control element (MAC CE). Dynamic group switching can enable flexibility to handle more traffic and conserve power.

[0103] With this flexibility, groups of search space sets can differ. For example, one group can involve less PDCCH monitoring than another group. However, there is no group that does not have PDCCH monitoring such that PDCCH monitoring is dormant. In some cases, such monitoring dormancy would be suitable for conserving more power. One solution for monitoring dormancy can involve skipping PDCCH monitoring for a number of slots, but this solution would use a different mechanism than group switching. Adding a skipping mechanism would increase the processing resources of the UE. The skipping mechanism can also involve additional signaling, which would further consume signaling resources.

[0104] According to the various aspects described herein, a UE can switch to a dormancy group of search space sets where no PDCCH monitoring will occur. The dormancy group can be an empty group or include a dummy search space set. For example, the dummy search space set can have a very high periodicity or an infinite periodicity such that the UE can never monitor the search space set. The dummy search space set can have zero PDCCH candidates. The empty group can have no search space sets or can be provided with an infinite periodicity or zero PDCCH candidates.

[0105] The UE can receive an explicit trigger to switch to the dormancy group or the UE can act on an implicit trigger. Switching to the dormancy group can enable power saving flexibility while saving power, processing resources, and signaling resources that would otherwise be consumed by additional mechanisms to skip PDCCH monitoring.

[0106] As indicated above, Figure 4 are provided as examples. Other examples can differ from what is described with respect to at least one of the Figure 4 described examples.

[0107] Figure 5 is a diagram illustrating an example 500 of switching search space set groups for monitoring dormancy according to the present disclosure. As shown in Figure 5 the base station 110 and the UE 120 can communicate with each other on the uplink or downlink.

[0108] The BS 510 can determine that the UE 520 is to stop monitoring PDCCH. This can be due to lack of activity on the PDCCH, UE capability, traffic conditions, application information, location of the UE 520, and / or other state information about the UE 520. As shown by reference number 530, the BS 510 can determine that the UE 520 is to switch from a first group of search space sets for monitoring PDCCH to a dormancy group of search space sets. The first group can be considered a non-dormancy group. The dormancy group can be an empty group of search space sets or can include a dummy search space set. The dummy search space set can have a high (e.g., infinite) periodicity and / or zero PDCCH candidates. The dummy search space set can not be counted in the budget of search space sets, which can be, for example, at most ten search space sets per bandwidth part. There can be multiple dormancy groups and / or multiple non-dormancy groups.

[0109] As shown by reference number 535, the BS 510 can transmit an indication to switch from the first group to a dormant group for no PDCCH monitoring. For example, the BS 510 can transmit the switch indication in a DCI format 2 0 (slot format indication (SLI)), DCI format 2 6 (wake-up signal (WUS)), or DCI with cyclic redundancy check scrambled by a power saving radio network temporary identifier (DCP)), a non-fallback DCI format (e.g., 0 1, 0 2, 1 1, and 1 2), or a new dedicated DCI format. The switch indication can be a value in a search space set group indication field in the DCI. The BS 510 can also transmit the switch indication in a MAC CE. The indication can be an index of the dormant group, an inactivity timer value, or another value specific to dynamic group switching.

[0110] In some aspects, the UE 520 can switch from the first group to the dormant group only if the first group is from one or more designated non-dormant groups. For example, the UE 520 can receive an indication to switch to the dormant group only in the designated non-dormant groups.

[0111] Alternatively, in some aspects, the UE 520 is configured with a first group (default group) and a first non-dormant group. While both the first group and the first non-dormant group can be non-dormant groups, the first non-dormant group is so labeled to distinguish from the non-dormant groups from which the UE 520 can switch to the dormant group. That is, the UE 520 can be restricted from switching from the first group to the dormant group. Instead, the UE 520 switches from the first group to the first non-dormant group, and subsequently switches from the first non-dormant group to the dormant group. This alternative is described in connection with Figure 6

[0112] Alternatively or additionally, in some aspects, the BS 510 can configure the UE 520 to act on an implicit trigger. For example, the BS 510 can configure the UE 520 to switch to the dormant group based at least in part on detecting little or no activity on the PDCCH. For example, the UE 520 can switch to the dormant group if PDCCH activity (e.g., traffic volume, traffic frequency) satisfies an activity threshold (e.g., a minimum activity threshold). In some aspects, the BS 510 can configure the UE 520 with one or more switching rules. The UE 520 can switch groups based at least in part on one or more conditions satisfying the switching rules. The conditions can include traffic activity, a power state of the UE 520, a type of traffic, information associated with an application, a location of the UE 520, a history or status of other groups, and / or conditions on the PDCCH. The switching rules can be toward power saving or toward higher performance.

[0113] ​In some aspects, the UE 520 can switch to the dormant group if the timer expires. For example, the UE 520 can switch to the dormant group if the inactivity on the PDCCH exceeds the timer duration, or if the time duration between periods of activity meets a duration threshold. In some aspects, the UE 520 can switch to the dormant group after the end of a COT if the UE 520 is operating in an unlicensed band.

[0114] As shown by reference number 540, the UE 520 can switch from the first group to the dormant group. Accordingly, the UE 520 can refrain from monitoring the PDCCH based at least in part on switching to the dormant group, as shown by reference number 545. In this way, the UE 520 can conserve power when using a more typical group switching mechanism.

[0115] As indicated above, Figure 5 are provided by way of example. Other examples can differ from those described. Figure 5

[0116] Figure 6 are diagrams illustrating examples 600, 602 of switching between multiple groups of search space sets according to the present disclosure.

[0117] Example 600 shows a default group (group 0), a first non-dormant group (group 1), and a dormant group (group 2). The UE can switch from group 0 to group 1 through an indication in DCI, where both groups are non-dormant. The UE can switch to group 2 as a dormant group through DCI, MAC CE, or implicit trigger.

[0118] In some aspects, the UE can switch out of the dormant group to switch to a non-dormant group. A group, such as group 1 in example 600, can be designated as the first non-dormant group to which the UE can switch. If the first non-dormant group is not designated, the UE can switch to the previous group or a default group, such as group 0.

[0119] In some aspects, the UE can switch out of the dormant group through an explicit trigger. Because the UE does not monitor the PDCCH while dormant, the explicit trigger can be an indication in a MAC CE. If SPS is configured, the MAC CE can be received on a semi-persistent scheduling (SPS) resource in the same carrier. If carrier aggregation is configured, the UE can receive the indication in a MAC CE or a search space set group indication field in DCI on a different carrier. For example, the UE can receive a cross-carrier search space set group indication. The indication can be specific to one carrier or can apply to multiple carriers.

[0120] ​In some aspects, the UE can receive an indication in a field value in DCI to switch to a non-dormancy group (e.g., a first non-dormancy group), where the DCI is monitored in a common search space set independent of whether the UE is in a dormancy group or a non-dormancy group. For example, if the UE selects a dormancy group and switches to the dormancy group, the UE can still monitor the common search space set even though the UE is in the dormancy group. In other words, the UE does not otherwise monitor PDCCH, but can still receive an indication to switch to a non-dormancy group.

[0121] Alternatively or additionally, in some aspects, the UE can switch from a dormancy group to a non-dormancy group (e.g., a first non-dormancy group) based at least in part on an implicit trigger. The implicit trigger can be a dormancy timer. For example, the UE can be configured with a dormancy timer value via a RRC message. The UE can switch from the dormancy group to the non-dormancy group upon expiration of the dormancy timer. The UE can receive the dormancy timer value in a configuration message or in an indication to switch to the dormancy group.

[0122] The dormancy timer value can be a time duration (e.g., milliseconds) or a number of slots. If DRX is configured, the dormancy timer value can also be a number of discontinuous reception (DRX) cycles such that the UE remains in the dormancy group until the start of the next nth DRX cycle. If there are multiple dormancy groups, the dormancy timer value can differ between dormancy groups, and the dormancy timer value can be specific to a dormancy group.

[0123] In some aspects, the implicit trigger can involve sensing communication activity in a carrier. For example, if the activity detected in the carrier satisfies an activity threshold (e.g., minimum energy, preamble detection), the UE can switch from a dormancy group to a non-dormancy group. The activity threshold and sensing occasions can be specified by configuration. By switching to and out of a dormancy group, the UE can dynamically select when to conserve power and when to improve monitoring performance.

[0124] Example 602 illustrates a first group or default group (Group 0), a first non-dormant group (Group 1), and a dormant group (Group 2). Currently, a UE can switch from Group 0 to Group 1 or Group 2 through an indication in DCI. In an error case scenario, the UE can not receive or can mis-detect a DCI from a base station indicating to switch from Group 0 to Group 2, and the UE can remain in Group 0. The base station can expect the UE to switch from Group 2 to Group 1 upon expiration of a timer, but the UE will be in Group 0 instead of Group 1. There will be some ambiguity between the base station and the UE as to whether the UE is in Group 0 or Group 1. Thus, in some aspects, the UE can be restricted to switch from Group 1 to Group 2, but can be restricted from switching from Group 0 to Group 2. As shown in example 602, there is no DCI indicating to switch from Group 0 to Group 2. That is, if the UE is configured with a dormant group and a first non-dormant group, the UE can be restricted to only switch from the first non-dormant group to the dormant group.

[0125] By restricting the switch from Group 0 to Group 2, the UE and the base station can conserve signaling resources that would otherwise be wasted by a persistent lack of group synchronization between the UE and the BS. For example, the UE can switch from Group 0 to Group 1, and from Group 1 to Group 2. The UE can then switch from Group 2 to Group 1 upon expiration of a timer. In another aspect, if the UE is in Group 1 but misses a DCI indicating to switch from Group 1 to Group 2, the UE can remain in Group 1. Eventually, the UE and the base station can be in expected alignment as to whether the UE is in Group 1. Any confusion as to whether the UE is in Group 0 or Group 2 is eliminated. In other words, by removing the indication to switch from Group 0 to Group 2, the UE and the base station can more quickly realign group expectations if the UE misses a DCI indicating to switch.

[0126] As indicated above, Figure 6 is provided as an example. Other examples can differ from what is described with respect to at least one of the Figure 6 described examples.

[0127] Figure 7 is a diagram illustrating an example process 700 performed, for example, by a UE, in accordance with the present disclosure. Example process 700 is an example where the UE (e.g., UE 120, Figures 1-2 depicted in FIG. 1, Figure 5 depicted in FIG. 5) performs operations associated with switching search space set groups for monitoring dormant search space sets.

[0128] As Figure 7 shown in some aspects, process 700 can include switching, in a first carrier, from a first group of search space sets for monitoring PDCCH to a dormant group of search space sets (block 710). For example, the UE (e.g., using controller / processor 280, transmission Figure 9The monitoring component 908 (e.g., of the UE 1150, depicted in FIG. 11) can switch from the first group of search space sets for monitoring the PDCCH to the dormant group of search space sets in the first carrier, as described above.

[0129] As further shown in Figure 7 In some aspects, process 700 can include refraining from monitoring the PDCCH based at least in part on switching to the dormant group, as described above. Figure 9 The monitoring component 908 (e.g., of the UE 1150, depicted in FIG. 11) can refrain from monitoring the PDCCH based at least in part on switching to the dormant group, as described above.

[0130] Process 700 can include additional aspects, such as any single aspect or any combination of aspects described below and / or in connection with one or more other processes described elsewhere herein.

[0131] In a first aspect, the dormant group is an empty group having no search space sets.

[0132] In a second aspect, alone or in combination with the first aspect, the dormant group includes a dummy search space set having one of an infinite periodicity or zero PDCCH candidates.

[0133] In a third aspect, alone or in combination with one or more of the first and second aspects, switching to the dormant group includes: switching to the dormant group based at least in part on receiving an indication to switch to the dormant group for no PDCCH monitoring.

[0134] In a fourth aspect, alone or in combination with one or more of the first through third aspects, receiving the indication to switch to the dormant group includes: receiving a value in a search space set group indication field in DCI.

[0135] In a fifth aspect, alone or in combination with one or more of the first through fourth aspects, receiving the indication to switch to the dormant group includes: receiving the indication in a MAC CE.

[0136] In a sixth aspect, alone or in combination with one or more of the first through fifth aspects, receiving the indication to switch to the dormant group includes: receiving the indication only in designated non-dormant groups.

[0137] In a seventh aspect, alone or in combination with one or more of the first through sixth aspects, switching to the dormant group includes: switching to the dormant group based at least in part on determining that inactivity on the PDCCH satisfies an inactivity threshold.

[0138] In an eighth aspect, alone or in combination with one or more of the first through seventh aspects, process 700 includes: receiving a switching rule for switching to a dormant group, wherein switching to the dormant group comprises: switching to the dormant group based at least in part on determining that the one or more conditions satisfy the switching rule.

[0139] In a ninth aspect, alone or in combination with one or more of the first through eighth aspects, process 700 includes: switching from the dormant group to a non-dormant group in the first carrier based at least in part on receiving an indication to switch to the non-dormant group.

[0140] In a tenth aspect, alone or in combination with one or more of the first through ninth aspects, receiving the indication to switch to the non-dormant group comprises: receiving the indication in a MAC CE on an SPS resource.

[0141] In an eleventh aspect, alone or in combination with one or more of the first through tenth aspects, receiving the indication to switch to the non-dormant group comprises: receiving the indication in a field on a particular carrier among the plurality of carriers other than the first carrier.

[0142] In a twelfth aspect, alone or in combination with one or more of the first through eleventh aspects, receiving the indication to switch to the non-dormant group comprises: receiving a value of a field in a DCI in a common search space set monitored independently of a search space group selection.

[0143] In a thirteenth aspect, alone or in combination with one or more of the first through twelfth aspects, process 700 includes: switching from the dormant group to a non-dormant group based at least in part on an expiration of a dormancy timer, wherein the non-dormant group is one of a designated search space group, a previous search space group, or a default search space group.

[0144] In a fourteenth aspect, alone or in combination with one or more of the first through thirteenth aspects, the expiration of the dormancy timer is based at least in part on a value of the dormancy timer received in a configuration or an indication to switch to the dormant group.

[0145] In a fifteenth aspect, alone or in combination with one or more of the first through fourteenth aspects, the expiration of the dormancy timer is based at least in part on one or more of a time duration, a number of slots, or a number of DRX cycles.

[0146] In a sixteenth aspect, alone or in combination with one or more of the first through fifteenth aspects, process 700 includes: switching from the dormant group to the non-dormant group based at least in part on determining that a communication activity in the first carrier satisfies an activity threshold.

[0147] WhileFigure 7 Example blocks of the process 700 are shown, but in some aspects, the process 700 can include additional blocks, fewer blocks, different blocks, or differently arranged blocks than those depicted in Figure 7 Additionally or alternatively, two or more of the blocks of the process 700 can be performed in parallel.

[0148] Figure 8 FIG. 8 is a diagram illustrating an example process 800 performed, for example, by a base station, in accordance with the present disclosure. Example process 800 is an example of a process for performing operations associated with switching a search space set group for monitoring dormancy, in accordance with aspects of the present disclosure. Figures 1-2 In some aspects, the base station 110, Figure 5 depicted in FIG. 10, the BS 510) performs operations associated with switching a search space set group for monitoring dormancy.

[0149] As shown in Figure 8 In some aspects, the process 800 can include determining that a UE is to switch, in a first carrier, from a first group of search space sets for monitoring a PDCCH to a dormancy group of search space sets (block 810). For example, the base station (e.g., using determination component 1008, depicted in FIG. 10) can determine that a UE is to switch, in a first carrier, from a first group of search space sets for monitoring a PDCCH to a dormancy group of search space sets, as described above. Figure 10

[0150] As further shown in Figure 8 In some aspects, the process 800 can include transmitting, to the UE, an indication to switch to the dormancy group, to cause the UE to refrain from monitoring the PDCCH based at least in part on switching to the dormancy group (block 820). For example, the base station (e.g., using transmission component 1004, depicted in FIG. 10) can transmit, to the UE, an indication to switch to the dormancy group, to cause the UE to refrain from monitoring the PDCCH based at least in part on switching to the dormancy group, as described above. Figure 10

[0151] Process 800 can include additional aspects, such as any single aspect or any combination of aspects described below and / or in connection with one or more other processes described elsewhere herein.

[0152] In a first aspect, the dormancy group is an empty group without search space sets.

[0153] In a second aspect, alone or in combination with the first aspect, the dormancy group includes a dummy search space set with one of infinite periodicity or zero PDCCH candidates.

[0154] In a third aspect, alone or in combination with one or more of the first and second aspects, transmitting the indication to switch to the dormancy group includes: transmitting a value in a search space set group indication field in DCI.​​

[0155] In a fourth aspect, alone or in combination with one or more of the first through third aspects, transmitting the indication to switch to the dormant group comprises: transmitting the indication in a MAC CE.

[0156] In a fifth aspect, alone or in combination with one or more of the first through fourth aspects, the process 800 includes: transmitting, to the UE, a configuration that specifies the UE is to switch to the dormant group based at least in part on determining that the inactivity on the PDCCH satisfies an inactivity threshold.

[0157] In a sixth aspect, alone or in combination with one or more of the first through fifth aspects, the process 800 includes: transmitting, to the UE, a switching rule for switching to the dormant group, wherein the switching rule specifies that the UE is to switch to the dormant group based at least in part on determining that one or more conditions satisfy the switching rule.

[0158] In a seventh aspect, alone or in combination with one or more of the first through sixth aspects, the process 800 includes: transmitting, to the UE, an indication to switch from the dormant group to the non-dormant group in the first carrier.

[0159] In an eighth aspect, alone or in combination with one or more of the first through seventh aspects, transmitting the indication to switch to the non-dormant group comprises: transmitting the indication in a MAC CE on a semi-persistent scheduling resource.

[0160] In a ninth aspect, alone or in combination with one or more of the first through eighth aspects, transmitting the indication to switch to the non-dormant group comprises: transmitting the indication in a field on a particular carrier among the plurality of carriers other than the first carrier.

[0161] In a tenth aspect, alone or in combination with one or more of the first through ninth aspects, transmitting the indication to switch to the non-dormant group comprises: transmitting a value of a field in DCI in a common search space set monitored independently of search space group selection.

[0162] In an eleventh aspect, alone or in combination with one or more of the first through tenth aspects, transmitting the indication to switch to the dormant group comprises: transmitting the indication only in the designated non-dormant group.

[0163] In a twelfth aspect, alone or in combination with one or more of the first through eleventh aspects, the process 800 includes: transmitting, to the UE, a value of a dormancy timer, wherein the UE is to switch from the dormant group to the non-dormant group based at least in part on expiration of the dormancy timer, and wherein the non-dormant group is one of the designated search space group, a previous search space group, or a default search space group.

[0164] In a thirteenth aspect, alone or in combination with one or more of the first through twelfth aspects, process 800 includes transmitting a value of the dormancy timer in an indication to configure or switch to a dormancy group.

[0165] In a fourteenth aspect, alone or in combination with one or more of the first through thirteenth aspects, an expiration of the dormancy timer is based at least in part on one or more of a time duration, a number of slots, or a number of DRX cycles.

[0166] In a fifteenth aspect, alone or in combination with one or more of the first through fourteenth aspects, the value of the dormancy timer is specific to a dormancy group.

[0167] Although Figure 8 Example blocks of process 800 are shown, but in some aspects, process 800 can include additional blocks, fewer blocks, different blocks, or differently arranged blocks than those depicted in Figure 8 Additionally or alternatively, two or more of the blocks of process 800 can be performed in parallel.

[0168] Figure 9 is a block diagram of an example apparatus 900 for wireless communication. The apparatus 900 can be a UE, or a UE can include the apparatus 900. In some aspects, the apparatus 900 includes a reception component 902 and a transmission component 904, which can be in communication with one another (for example, via one or more buses and / or one or more other components). As shown, the apparatus 900 can communicate with another apparatus 906 (such as a UE, a base station, or another wireless communication device) using the reception component 902 and the transmission component 904. As further shown, the apparatus 900 can include a monitoring component 908, among other examples.

[0169] In some aspects, the apparatus 900 can be configured to perform one or more operations described herein in connection with Figures 1-6 one or more processes described herein. Additionally, or alternatively, the apparatus 900 can be configured to perform one or more processes described herein, such as process 700 of Figure 7 In some aspects, the apparatus 900 and / or one or more components shown in Figure 9 may include one or more components of the UE described above in connection with Figure 2 one or more components of the UE described above in connection with Figure 9 one or more components of the UE described above in connection with Figure 2implementation within one or more components described. Additionally or alternatively, one or more components of the component set can be implemented at least partially as software stored in a memory and executed by a controller or a processor. For example, a component (or a portion of it) can be implemented as instructions or code stored in a non-transitory computer-readable medium and executable by a controller or a processor to perform the functions or operations of the component.

[0170] The reception component 902 can receive communications, such as reference signals, control information, data communications, or a combination thereof, from the apparatus 906. The reception component 902 can provide received communications to one or more other components of the apparatus 900. In some aspects, the reception component 902 can perform signal processing on the received communications (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, de-mapping, equalization, interference cancellation, or decoding, among other examples), and can provide the processed signals to the one or more other components of the apparatus 906. In some aspects, the reception component 902 can include one or more antennas, a demodulator, a MIMO detector, a receive processor, a controller / processor, a memory, or a combination thereof, of the UE described above. Figure 2 The described one or more antennas, a demodulator, a MIMO detector, a receive processor, a controller / processor, a memory, or a combination thereof, of the UE.

[0171] The transmission component 904 can transmit communications, such as reference signals, control information, data communications, or a combination thereof, to the apparatus 906. In some aspects, one or more other components of the apparatus 906 can generate communications and can provide the generated communications to the transmission component 904 for transmission to the apparatus 906. In some aspects, the transmission component 904 can perform signal processing on the generated communications (such as filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, or encoding, among other examples), and can transmit the processed signals to the apparatus 906. In some aspects, the transmission component 904 can include one or more antennas, a modulator, a transmit MIMO processor, a transmit processor, a controller / processor, a memory, or a combination thereof, of the UE described above. In some aspects, the transmission component 904 can be co-located with the reception component 902 in a transceiver. Figure 2 The described one or more antennas, a modulator, a transmit MIMO processor, a transmit processor, a controller / processor, a memory, or a combination thereof, of the UE. In some aspects, the transmission component 904 can be co-located with the reception component 902 in a transceiver.

[0172] The monitoring component 908 can switch from a first group of search space sets for monitoring a PDCCH to a dormant group of search space sets. The monitoring component 908 can refrain from monitoring the PDCCH based at least in part on switching to the dormant group.

[0173] The reception component 902 can receive a switching rule for switching to the dormant group, where switching to the dormant group comprises switching to the dormant group based at least in part on determining that one or more conditions satisfy the switching rule.

[0174] The monitoring component 908 can switch from the dormant group to the non-dormant group in the first carrier based at least in part on receiving an indication to switch to the non-dormant group. In some aspects, the monitoring component 908 can switch from the first group to the dormant group only if the first group is from one or more designated non-dormant groups. For example, the monitoring component 908 can receive an indication to switch to the dormant group only in the designated non-dormant groups.

[0175] The monitoring component 908 can switch from the dormant group to the non-dormant group based at least in part on expiration of the dormant timer, where the non-dormant group is one of the designated search space set group, the previous search space set group, or a default search space set group.

[0176] The monitoring component 908 can switch from the dormant group to the non-dormant group based at least in part on determining that a communication activity in the first carrier satisfies an activity threshold.

[0177] Figure 9 The number and arrangement of components shown in FIG. 10 are provided as an example. In practice, there can be additional components, fewer components, different components, or differently arranged components than those shown in FIG. 10. Additionally or alternatively, Figure 9 components shown in FIG. 10 can be implemented within a single component, or Figure 9 two or more components shown in FIG. 10 can be implemented within a single component, Figure 9 a single component shown in FIG. 10 can be implemented as multiple, distributed components. Additionally or alternatively, Figure 9 a set of components (e.g., one or more components) illustrated in FIG. 10 can perform one or more functions described as being performed by another set of components illustrated in FIG. 10. Figure 9

[0178] Figure 10 is a block diagram of an example apparatus 1000 for wireless communication. The apparatus 1000 can be a base station, or a base station can include the apparatus 1000. In some aspects, the apparatus 1000 includes a reception component 1002 and a transmission component 1004, which can be in communication with one another (for example, via one or more buses and / or one or more other components). As shown, the apparatus 1000 can communicate with another apparatus 1004 (such as a UE, a base station, or another wireless communication device) using the reception component 1006 and the transmission component 1002. As further shown, the apparatus 1000 can include a determination component 1008 and other examples.

[0179] In some aspects, the apparatus 1000 can be configured to perform one or more operations described herein in connection with the process 800 of FIG. 8. Additionally or Figures 1-6 alternatively, the apparatus 1000 can be configured to perform one or more processes described herein, such as process 800 of FIG. 8. In some aspects, the apparatus 1000 and / or Figure 8 the determination component 1008 can be an example of the determination component 706 of FIG. 7.​Figure 10 One or more components of the base station described in connection with Figure 2 the described one or more components. Additionally or alternatively, Figure 10 One or more components of the base station described in connection with Figure 2 the described one or more components. Additionally or alternatively, one or more components of the set of components can be implemented at least partly as software stored in memory. For example, a component (or a portion of a component) can be implemented as instructions or code stored in a non-transitory computer-readable medium and executable by a controller or a processor to perform the functions or operations of the component.

[0180] The reception component 1002 can receive communications, such as reference signals, control information, data communications, or a combination thereof, from the apparatus 1006. The reception component 1002 can provide received communications to one or more other components of the apparatus 1000. In some aspects, the reception component 1002 can perform signal processing on the received communications (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, de-mapping, equalization, interference cancellation, or decoding, among other examples), and can provide the processed signals to the one or more other components of the apparatus 1006. In some aspects, the reception component 1002 can include one or more antennas, a demodulator, a MIMO detector, a receive processor, a controller / processor, a memory, or a combination thereof, of the base station described above in connection with Figure 2 the described one or more antennas, a demodulator, a MIMO detector, a receive processor, a controller / processor, a memory, or a combination thereof, of the base station described above in connection with

[0181] The transmission component 1004 can transmit communications, such as reference signals, control information, data communications, or a combination thereof, to the apparatus 1006. In some aspects, one or more other components of the apparatus 1006 can generate communications and can provide the generated communications to the transmission component 1004 for transmission to the apparatus 1006. In some aspects, the transmission component 1004 can perform signal processing on the generated communications (such as filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, or encoding, among other examples), and can transmit the processed signals to the apparatus 1006. In some aspects, the transmission component 1004 can include one or more antennas, a modulator, a transmit MIMO processor, a transmit processor, a controller / processor, a memory, or a combination thereof, of the base station described above in connection with Figure 2 the described one or more antennas, a modulator, a transmit MIMO processor, a transmit processor, a controller / processor, a memory, or a combination thereof, of the base station described above in connection with

[0182] The determination component 1008 can determine that a UE is to switch, in a first carrier, from a first group of search space sets for monitoring a PDCCH to a dormant group of search space sets. The transmission component 1004 can transmit, to the UE, an indication to switch to the dormant group, to cause the UE to refrain from monitoring the PDCCH based at least in part on the switch to the dormant group.

[0183] The transmission component 1004 may transmit to the UE a configuration specifying that the UE will switch to a dormant group at least in part based on determining that the communication inactivity in the first carrier meets an inactivity threshold.

[0184] The transmission component 1004 may transmit to the UE a handover rule for switching to a hibernation group, wherein the handover rule specifies that the UE will switch to a hibernation group at least in part based on determining that one or more conditions satisfy the handover rule.

[0185] The transmission component 1004 can transmit an instruction to the UE to switch from a dormant group to a non-dormant group.

[0186] The transmission component 1004 may transmit the value of a sleep timer to the UE, wherein the UE will switch from a sleep group to a non-sleep group at least in part based on the expiration of the sleep timer, and wherein the non-sleep group is one of the specified search space cluster, the previous search space cluster, or the default search space cluster.

[0187] The transmission component 1004 can transmit the value of the hibernation timer in the configuration or in an instruction to switch to a hibernation group.

[0188] Figure 10 The number and arrangement of components shown are provided as an example. In practice, different arrangements may exist. Figure 10 The components shown are compared to additional components, fewer components, different components, or components arranged differently. Furthermore, Figure 10 The two or more components shown can be implemented within a single component, or Figure 10 The single component shown can be implemented as multiple distributed components. Additionally or alternatively, Figure 10 The collection of components shown (e.g., one or more components) can be executed as described by Figure 10 The other set of components shown in the diagram performs one or more functions.

[0189] Figure 11 This is a diagram illustrating an example procedure 1100 performed by a UE according to this disclosure. Example procedure 1100 is where the UE (e.g., Figures 1-2 The UE 120 depicted in the text Figure 5 The example depicted in the document is a UE 520 performing operations associated with switching the search space cluster used to monitor hibernation.

[0190] like Figure 11 As shown, in some aspects, process 1100 may include: switching from a first group of the search space set used for monitoring the PDCCH to a non-dormant group of the search space set in the first carrier (box 1110). For example, the UE (e.g., using...) Figure 12The monitoring component 1208, depicted in FIG. 12, can switch from the first non-dormant group to the dormant group, as described above.

[0191] As further shown in Figure 11 In some aspects, process 1100 can include switching from the non-dormant group to the dormant group (block 1120). For example, the UE (e.g., using monitoring component 1208, depicted in FIG. 12) can switch from the first non-dormant group to the dormant group, as described above. Figure 12 The monitoring component 1208, depicted in FIG. 12, can switch from the first non-dormant group to the dormant group, as described above.

[0192] As further shown in Figure 11 In some aspects, process 1100 can include refraining from monitoring the PDCCH based at least in part on switching to the dormant group (block 1130). For example, the UE (e.g., using monitoring component 1208, depicted in FIG. 12) can refrain from monitoring the PDCCH based at least in part on switching to the dormant group, as described above. Figure 12 The monitoring component 1208, depicted in FIG. 12, can refrain from monitoring the PDCCH based at least in part on switching to the dormant group, as described above.

[0193] Process 1100 can include additional aspects, such as any single aspect or any combination of aspects described below and / or in connection with one or more other processes described elsewhere herein.

[0194] In a first aspect, the dormant group is an empty group that has no search space set.

[0195] In a second aspect, alone or in combination with the first aspect, the dormant group includes a dummy search space set with infinite periodicity or zero PDCCH candidates.

[0196] In a third aspect, alone or in combination with one or more of the first and second aspects, switching from the first non-dormant group to the dormant group includes: switching to the dormant group based at least in part on receiving an indication to switch to the dormant group for no PDCCH monitoring.

[0197] In a fourth aspect, alone or in combination with one or more of the first through third aspects, receiving the indication to switch to the dormant group includes: receiving a value in a search space set group indication field in a DCI or a MAC CE.

[0198] In a fifth aspect, alone or in combination with one or more of the first through fourth aspects, switching to the dormant group includes: switching to the dormant group based at least in part on determining that inactivity on the PDCCH satisfies an inactivity threshold.

[0199] In a sixth aspect, alone or in combination with one or more of the first through fifth aspects, process 1100 includes: receiving a switching rule for switching to the dormant group, wherein switching to the dormant group comprises: switching to the dormant group based at least in part on determining that the one or more conditions satisfy the switching rule.

[0200] In a seventh aspect, alone or in combination with one or more of the first through sixth aspects, process 1100 includes: switching from the dormant group to the first non-dormant group based at least in part on receiving an indication to switch to the first non-dormant group.

[0201] In an eighth aspect, alone or in combination with one or more of the first through seventh aspects, receiving the indication to switch to the first non-dormant group comprises: receiving the indication in a MAC CE on an SPS resource.

[0202] In a ninth aspect, alone or in combination with one or more of the first through eighth aspects, receiving the indication to switch to the first non-dormant group comprises: receiving the indication in a field on a particular carrier among the plurality of carriers other than the first carrier.

[0203] In a tenth aspect, alone or in combination with one or more of the first through ninth aspects, receiving the indication to switch to the first non-dormant group comprises: receiving a value of a field in downlink control information in a common search space set monitored independently of a search space group selection.

[0204] In an eleventh aspect, alone or in combination with one or more of the first through tenth aspects, process 1100 includes: switching from the dormant group to the first non-dormant group based at least in part on expiration of a dormancy timer, and the expiration of the dormancy timer is based at least in part on one or more of a time duration, a number of slots, or a number of DRX cycles.

[0205] In a twelfth aspect, alone or in combination with one or more of the first through eleventh aspects, process 1100 includes: switching from the dormant group to the first non-dormant group based at least in part on determining that a communication activity in the first carrier satisfies an activity threshold.

[0206] Although Figure 11 An example block of process 1100 is shown, but in some aspects, process 1100 can include additional blocks, fewer blocks, different blocks, or differently arranged blocks than those depicted in FIG. 11. Additionally, or alternatively, two or more blocks of process 1100 can be performed in parallel. Figure 11 An example block of process 1100 is shown, but in some aspects, process 1100 can include additional blocks, fewer blocks, different blocks, or differently arranged blocks than those depicted in FIG. 11. Additionally, or alternatively, two or more blocks of process 1100 can be performed in parallel.

[0207] Figure 12is a diagram of an example apparatus 1200 for wireless communication. The apparatus 1200 can be a UE, or a UE can include the apparatus 1200. In some aspects, the apparatus 1200 includes a reception component 1202 and a transmission component 1204, which can be in communication with one another (for example, via one or more buses and / or one or more other components). As shown, the apparatus 1200 can communicate with another apparatus 1204 (such as a UE, a base station, or another wireless communication device) using the reception component 1206 and the transmission component 1202. As further shown, the apparatus 1200 can include a monitoring component 1208, among other examples.

[0208] In some aspects, the apparatus 1200 can be configured to perform one or more operations described herein in connection with Figures 1-6 In some aspects, the apparatus 1200 can be configured to perform one or more operations described herein in connection with Figure 11 In some aspects, the apparatus 1200 can be configured to perform one or more operations described herein in connection with Figure 12 In some aspects, the apparatus 1200 can be configured to perform one or more operations described herein in connection with Figure 2 In some aspects, the apparatus 1200 can be configured to perform one or more operations described herein in connection with Figure 12 In some aspects, the apparatus 1200 can be configured to perform one or more operations described herein in connection with Figure 2 In some aspects, the apparatus 1200 can be configured to perform one or more operations described herein in connection with

[0209] The reception component 1202 can receive communications, such as reference signals, control information, data communications, or a combination thereof, from the apparatus 1206. The reception component 1202 can provide received communications to one or more other components of the apparatus 1200. In some aspects, the reception component 1202 can perform signal processing on the received communications (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, de-mapping, equalization, interference cancellation, or decoding, among other examples), and can provide the processed signals to the one or more other components of the apparatus 1206. In some aspects, the reception component 1202 can include one or more antennas, a modem, a demodulator, a MIMO detector, a receive processor, a controller / processor, a memory, or a combination thereof, of the UE described in connection with Figure 2

[0210] ​The transmission component 1204 can transmit communications, such as reference signals, control information, data communications, or a combination thereof, to the apparatus 1206. In some aspects, one or more other components of the apparatus 1206 can generate communications and can provide the generated communications to the transmission component 1204 for transmission to the apparatus 1206. In some aspects, the transmission component 1204 can perform signal processing on the generated communications (such as filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, encoding, or the like), and can transmit the processed signals to the apparatus 1206. In some aspects, the transmission component 1204 can include one or more antennas, a modem, a demodulator, a transmit MIMO processor, a transmit processor, a controller / processor, a memory, or a combination thereof, as described in more detail with respect to FIG. 10. Figure 2 The described UE can include one or more antennas, a modem, a demodulator, a transmit MIMO processor, a transmit processor, a controller / processor, a memory, or a combination thereof, as described in more detail with respect to FIG. 10. In some aspects, the transmission component 1204 can be co-located with the reception component 1202 in a transceiver.

[0211] The monitoring component 1208 can switch, in a first carrier, from a first group of search space sets to monitor a PDCCH to a first non-dormant group of search space sets, where the UE is restricted to switch from the first group to a dormant group of search space sets in the first carrier. The monitoring component 1208 can switch from the first non-dormant group to the dormant group. The monitoring component 1208 can refrain from monitoring the PDCCH based at least in part on switching to the dormant group.

[0212] The reception component 1202 can receive a switching rule for switching to the dormant group, where switching to the dormant group comprises switching to the dormant group based at least in part on determining that one or more conditions satisfy the switching rule.

[0213] The monitoring component 1208 can switch from the dormant group to the non-dormant group based at least in part on receiving an indication to switch to the first non-dormant group. The monitoring component 1208 can switch from the dormant group to the non-dormant group based at least in part on determining that a communication activity in the first carrier satisfies an activity threshold.

[0214] Figure 12 The number and arrangement of components shown in FIG. 10 are provided as an example. In practice, there can be additional components, fewer components, different components, or differently arranged components than those shown in FIG. 10. Figure 12 For example, a component shown as single component can be implemented as multiple Figure 12 For example, a component shown as single component can be implemented as multiple Figure 12 For example, a component shown as single component can be implemented as multiple Figure 12 A set of components (e.g., one or more components) included in the example of FIG. 10 can perform one or more functions described as being performed by another set of components included in the example of FIG. 10. Figure 12 A set of components (e.g., one or more components) included in the example of FIG. 10 can perform one or more functions described as being performed by another set of components included in the example of FIG. 10.

[0215] Another technique that can provide flexibility to handle more traffic and save power can be PDCCH monitoring skipping. In some aspects, PDCCH monitoring skipping can involve a UE skipping PDCCH monitoring for a particular time duration. According to some aspects, the time duration for which the UE can skip PDCCH monitoring can coincide with a traffic inactivity period. In some aspects, a base station can transmit an indication to a UE to initiate PDCCH skipping for a particular time duration. According to some aspects, PDCCH monitoring skipping can be used to handle smaller scale traffic inactivity (e.g., a few slots or milliseconds) along with DRX (e.g., a few hundred milliseconds) that can be used to handle large scale traffic inactivity. In some aspects, PDCCH monitoring skipping can provide additional flexibility to handle more traffic and save power.

[0216] PDCCH search space monitoring skipping and dynamic PDCCH search space monitoring switching together can provide enhanced flexibility to handle more traffic and save power. For example, in some aspects, whether a UE performs PDCCH search space monitoring skipping or PDCCH search space monitoring switching can be a function of wireless communication traffic characteristics and / or operating conditions. Where enhanced flexibility is provided through PDCCH search space monitoring skipping and / or dynamic PDCCH search space monitoring switching, handling of different groups of PDCCH search space sets can differ. For example, one or more groups can involve less PDCCH search space monitoring than one or more other groups. Additionally, one or more groups can not involve PDCCH search space monitoring at all (except for a few exceptions), such as when those groups are skipped as part of a PDCCH search space monitoring skipping operation performed by the UE. According to some aspects, groups of PDCCH search space sets that are not monitored or are less frequently monitored can be referred to as dormant groups of PDCCH search space sets.

[0217] Aspects of the disclosure can provide techniques for utilizing PDCCH search space monitoring skipping and / or dynamic PDCCH search space monitoring switching, including techniques for PDCCH skipping based on PDCCH search space set group switching. For example, a UE receives, from a base station, configuration information including information identifying one or more dormant groups of a PDCCH search space set. The UE can switch from a first group (e.g., a dormant or non-dormant group) of the PDCCH search space set to at least one dormant group of the PDCCH search space set in the identified one or more dormant groups of the PDCCH search space set. In some aspects, the base station can transmit an indication to the UE to initiate the switch. According to some aspects, the UE can process one or more PDCCH search space sets in the at least one dormant group of the PDCCH search space set based at least in part on the received configuration information. In some aspects, aspects of the disclosure can provide power saving flexibility while conserving power, processing resources, and signaling resources that would otherwise be consumed without aspects of the disclosure.

[0218] As an example, Figure 13 A diagram illustrating a method for PDCCH skipping based on PDCCH search space set group switching in accordance with the present disclosure is shown. Aspects of the method 1300 can be implemented using various other aspects of the disclosure described with reference to FIGS. 1-17, such as a mobile device / UE. For example, with reference to FIGS. 1-17, Figures 1-4 and 15-17. For example, with reference to FIGS. 1-17, Figure 2 Controller / processor 280 of the UE 120 can control the UE 120 to perform the method 1300.

[0219] Figure 13A method 1300 that can be performed by a UE, such as the UE 120, is illustrated. At block 1302, a UE, such as the UE 120, can receive, from a base station, configuration information including information identifying one or more dormant groups of a PDCCH search space set. For example, in some aspects, the configuration information can include an indication (e.g., an explicit indication of the one or more dormant groups of the PDCCH search space set). In some aspects, the explicit indication can be a list identifying the one or more dormant groups of the PDCCH search space set. In additional aspects, the configuration information can include an indication of one or more non-dormant groups of the PDCCH search space set. In some aspects, the indication of the one or more non-dormant groups can be one or more indices respectively associated with the one or more non-dormant groups of the PDCCH search space set. In some aspects, the one or more dormant groups of the PDCCH search space set can be identified based at least in part on the indication of the one or more non-dormant groups of the PDCCH search space set. For example, a dormant group can be a group that is not indicated as a non-dormant group. According to some aspects, the indication of the one or more non-dormant groups of the PDCCH search space set can be an implicit indication of the one or more dormant groups of the PDCCH search space set.

[0220] At block 1304, the UE can switch from a first group of the PDCCH search space set to at least one dormant group of the PDCCH search space set from the identified one or more dormant groups of the PDCCH search space set. In some aspects, the first group of the PDCCH search space set can be a dormant group. In additional aspects, the first group of the PDCCH search space set can be a non-dormant group.

[0221] In some aspects, the switch shown at block 1304 can be initiated by the base station. For example, the base station can determine that the UE is to stop monitoring the PDCCH. As another example, the base station can determine that the UE is to switch from a first group of a search space set for monitoring the PDCCH to a dormant group of the search space set in a first carrier. This can be due to lack of activity on the PDCCH, UE capability, traffic conditions, application information, location of the UE, and / or other state information about the UE. In some aspects, the base station can determine that the UE is to switch from a first group of a PDCCH search space set to at least one dormant group of the PDCCH search space set. The first group can be considered a non-dormant group. The at least one dormant group can be an empty group of the search space set, or can include a dummy search space set. The dummy search space set can have a high (e.g., infinite) periodicity and / or zero PDCCH candidates. The dummy search space set can not be counted in a budget of the search space set, which can be, for example, at most ten search space sets per bandwidth part. There can be multiple dormant groups and / or multiple non-dormant groups.

[0222] According to some aspects, a base station can transmit, and a UE can receive from the base station, an indication to switch from a first group to a dormant group. The UE can refrain from monitoring the PDCCH based at least in part on switching to the dormant group. For example, the base station can transmit the switch indication in a DCI format 2 0 (slot format indication (SLI)), DCI format 2 6 (WUS, or DCI with cyclic redundancy check scrambled by a power saving radio network temporary identifier (DCP)), non-fallback DCI formats (e.g., 0 1, 0 2, 1 1, and 1 2), or a new dedicated DCI format. The switch indication received by the UE can be a value received in a search space set group indication field in the DCI. The base station can also transmit the switch indication to the UE in a MAC CE. The indication can be an index of the dormant group, an inactivity timer value, or another value specific to dynamic group switching.

[0223] Alternatively or additionally, in some aspects, the base station 510 can configure the UE to act on an implicit trigger. For example, the base station 510 can configure the UE to switch to a dormant group based at least in part on detecting that there is little or no activity on the PDCCH. For example, the UE can switch to a dormant group if PDCCH activity (e.g., traffic volume, traffic frequency) satisfies an activity threshold (e.g., a minimum activity threshold). In some aspects, the UE can switch to a dormant group based at least in part on determining that inactivity on the PDCCH satisfies an inactivity threshold. The base station can transmit configuration information to the UE specifying that the UE is to switch to a dormant group based at least in part on determining that inactivity on the PDCCH satisfies an inactivity threshold.

[0224] In some aspects, the base station can configure the UE with one or more switch rules. The UE can receive, from the base station, a switch rule for switching to a dormant group, where switching to the dormant group includes: switching to the dormant group based at least in part on determining that one or more conditions satisfy the switch rule. The UE can switch groups based at least in part on the one or more conditions satisfying the switch rule. The conditions can include traffic activity, a power state of the UE, a type of traffic, information associated with an application, a location of the UE, a history or status of other groups, and / or a condition on the PDCCH. The switch rule can be towards power saving or towards higher performance.

[0225] According to some aspects, the UE can determine when to switch from a first group of PDCCH search space sets to at least one dormant group of PDCCH search space sets, e.g., as shown at block 1304. For example, in some aspects, the UE can switch to the dormant group in the event of a timer expiration. The UE 520 can switch to the dormant group in the event of inactivity on the PDCCH for more than a timer duration, or in the event that a time duration between periods of activity satisfies a duration threshold. In some aspects, the UE can switch to the dormant group after the end of a COT in the event that the UE is operating in an unlicensed band.

[0226] In some aspects, the UE can switch from the first group to the dormant group. The UE can switch to the dormant group based at least in part on receiving an indication from the base station to switch to the dormant group. As described in greater detail below, the UE can refrain from monitoring the PDCCH based at least in part on switching to the dormant group. In this way, the UE can conserve power.

[0227] At block 1306, the UE can process one or more PDCCH search space sets of the at least one dormant group of PDCCH search space sets based at least in part on the received configuration information. In some aspects, the processed one or more PDCCH search space sets can be a subset of the PDCCH search space sets of the at least one dormant group of PDCCH search space sets. In additional aspects, the processed one or more PDCCH search space sets can be all of the PDCCH search space sets of the at least one dormant group of PDCCH search space sets.

[0228] In some aspects, the UE processing the one or more PDCCH search space sets (e.g., as shown at block 1306) can include the UE monitoring one or more PDCCH search spaces within the one or more PDCCH search space sets. For example, the configuration information received by the UE from the base station (e.g., as shown at block 1302) can include an indication (e.g., an explicit indication) that indicates that one or more PDCCH search space sets are to include PDCCH search space monitoring. According to some aspects, the explicit indication that indicates that one or more PDCCH search space sets are to include PDCCH search space monitoring can indicate that one or more PDCCH search space sets, or one or more PDCCH search spaces within the one or more PDCCH search space sets, should be monitored regardless of whether the one or more PDCCH search space sets, or the one or more PDCCH search spaces within the one or more PDCCH search space sets, are part of a dormant group of PDCCH search space sets. In some aspects, such one or more PDCCH search space sets, or one or more PDCCH search spaces within the one or more PDCCH search space sets, whether they are located within a dormant group of PDCCH search space sets or not, can be considered always monitored PDCCH search space sets or always monitored PDCCH search spaces.

[0229] According to some aspects, the UE processing the one or more PDCCH search space sets (e.g., as shown at block 1306) can include the UE monitoring one or more PDCCH search spaces within the one or more PDCCH search space sets based at least in part on a rule for search space monitoring being satisfied. In some aspects, the rule for search space monitoring can be a rule that specifies that common search spaces (CSSs) should be monitored even when the CSSs are part of a dormant group of PDCCH search space sets. In additional aspects, the rule for search space monitoring can also indicate that a UE-specific search space (USS) does not need to be monitored when the USS is part of a dormant group of PDCCH search space groups. Accordingly, in some aspects, rather than being explicitly told which PDCCH search spaces within a dormant group are still to be monitored, the UE can implicitly determine which PDCCH search spaces within a dormant group are to be monitored based at least in part on one or more rules for search space monitoring. According to some aspects, a search space or set of search spaces that is specified by a rule to be monitored even within a dormant group of PDCCH search space sets can also be considered an always monitored PDCCH search space or an always monitored PDCCH search space set.

[0230] In some aspects, the UE processing the one or more PDCCH search space sets (e.g., as shown at block 1306) can include the UE monitoring one or more PDCCH search spaces within the one or more PDCCH search space sets based at least in part on at least one of a round trip time (RTT) timer indication or a retransmission (ReTx) timer indication. For example, the configuration information received by the UE from the base station (e.g., as shown at block 1302) can include at least one of the RTT timer indication or the ReTx timer indication. According to some aspects, monitoring based at least in part on at least one of the RTT timer indication or the ReTx timer indication can be considered discontinuous monitoring. For example, the UE can be configured to disable or enable discontinuous PDCCH search space monitoring. As an example, the base station can send an indication to the UE indicating whether the UE should enable or disable discontinuous PDCCH search space monitoring. In some aspects, when discontinuous PDCCH search space monitoring is disabled, the UE can not monitor PDCCH search spaces other than the portion of the PDCCH search spaces in the always-on PDCCH search space set. In additional aspects, when discontinuous PDCCH search space monitoring is enabled, the UE can monitor one or more PDCCH search spaces within the one or more PDCCH search space sets based at least in part on at least one of the RTT timer indication or the ReTx timer indication. In some aspects, other timers can be used to perform discontinuous PDCCH search space monitoring in addition to or instead of the RTT timer indication and / or the ReTx timer indication. In some aspects, at least one of the RTT timer indication or the ReTx timer indication can be configured for downlink wireless communications (e.g., separately from an RTT timer indication and / or a ReTx timer indication configured for uplink wireless communications).

[0231] According to some aspects, at least one of the RTT timer indication or the ReTx timer indication can be associated with the DRX configuration information. For example, in some aspects, the configuration information received by the UE from the base station (e.g., as shown at block 1302) can include the DRX configuration information. According to some aspects, when DRX is configured for the UE (e.g., using the DRX configuration information), at least one of the RTT timer indication or the ReTx timer indication can be the same as the RTT timer indication or the ReTx timer indication provided using the DRX configuration or as part of the DRX configuration information. In additional aspects, when no DRX is configured (e.g., the configuration information received by the UE from the base station does not include DRX configuration information), at least one of the RTT timer indication or the ReTx timer indication can be provided in the configuration information received by the UE from the base station for discontinuous PDCCH search space monitoring to be performed by the UE (e.g., as shown at block 1302), but can not be associated with the DRX configuration information. According to some aspects, processing the one or more PDCCH search space sets can further include at least one of suspending or invalidating at least one of a DRX on-duration timer or a DRX inactivity timer associated with the DRX configuration information.

[0232] In some aspects, the UE processing the one or more PDCCH search space sets (e.g., as shown at block 1306) can include the UE refraining from monitoring one or more PDCCH search spaces within the one or more PDCCH search space sets. In other words, with the exception of a few exceptions (such as always monitored PDCCH search spaces or exceptions to always monitored PDCCH search space sets or exceptions to discontinuous PDCCH search space monitoring), the UE can not monitor (e.g., refrain from monitoring) one or more PDCCH search spaces within the one or more PDCCH search space sets.

[0233] In some aspects, the UE processing the one or more PDCCH search space sets (e.g., as shown at block 1306) can include the UE refraining from monitoring one or more PDCCH search spaces within the one or more PDCCH search space sets based at least in part on the dormancy timer. For example, in some aspects, the configuration information received by the UE from the base station (e.g., as shown at block 1302) can include a dormancy timer that provides an indication of a time period for refraining from search space monitoring. As such, in some aspects, the UE can refrain from monitoring one or more PDCCH search spaces for a duration specified by the dormancy timer. According to some aspects, the dormancy timer can be started or restarted upon the UE receiving configuration information identifying one or more dormancy groups of PDCCH search space sets (e.g., as shown at block 1302).

[0234] According to some aspects, the dormancy timer value can be a time duration (e.g., in milliseconds) or a number of slots. If DRX is configured, the dormancy timer value can also be a number of DRX cycles for the UE to remain in the dormancy group until the start of the next nth DRX cycle. If there are multiple dormancy groups, the dormancy timer value can be different between the dormancy groups. In some aspects, the dormancy timer value can be specific to a dormancy group. According to some aspects, when more than one dormancy timer is configured, additional configuration information associated with the dormancy timers can be transmitted from the base station to the UE for selecting one of the dormancy timers. According to some aspects, the additional configuration information can be transmitted with the configuration information received by the UE (e.g., as shown at block 1302). In some aspects, the UE can be configured (e.g., via an RRC message) with a dormancy timer value. The UE can receive the dormancy timer value in the configuration message (e.g., the configuration information shown at block 1302) or in the indication to switch to the dormancy group. In other words, the value of the dormancy timer can be received in the configuration information or the indication to switch to the dormancy group. In some aspects, the base station can transmit the value of the dormancy timer to the UE (e.g., in the configuration information or the indication to switch to the dormancy group).

[0235] In some aspects, the UE can perform one or more of the operations disclosed herein within a single dormancy group of a PDCCH search space set. For example, in some aspects, within a dormancy group of a PDCCH search space set, the UE can at least one of refrain from monitoring one or more PDCCH search spaces within the dormancy group, perform discontinuous PDCCH search space monitoring for one or more PDCCH search spaces within the dormancy group, or monitor always-monitored PDCCH search spaces or always-monitored PDCCH search space sets within the dormancy group.

[0236] According to some aspects, the UE can switch between multiple groups of a PDCCH search space set. In one example, different groups can include a default group (group 0), a first non-dormancy group (group 1), and a dormancy group (group 2). The UE can switch from group 0 to group 1 by an indication in DCI, where both groups are non-dormancy. The UE can switch to group 2 as a dormancy group by DCI, MAC CE, or implicit trigger.

[0237] In some aspects, the UE can switch out of a dormancy group to switch to a non-dormancy group. A group, such as group 1, can be designated as a first non-dormancy group to which the UE can switch. If no first non-dormancy group is designated, the UE can switch to a previous group or a default group, such as group 0. According to some aspects, the UE can switch from a dormancy group to a non-dormancy group in a first carrier based at least in part on receiving an indication to switch to the non-dormancy group.

[0238] In some aspects, the UE can be explicitly triggered to switch out of the dormancy group. For example, the base station can transmit an indication to the UE to switch from the dormancy group to a non-dormancy group in the first carrier. Because the UE can not monitor the PDCCH while dormant, the explicit trigger can be an indication in a MAC CE. If SPS is configured, the MAC CE can be received on a semi-persistent scheduling (SPS) resource in the same carrier. If carrier aggregation is configured, the UE can receive the indication in a MAC CE or a search space set group indication field in DCI on a different carrier. For example, the UE can receive a cross-carrier search space set group indication. The indication can be specific to one carrier or can apply to multiple carriers. According to some aspects, the UE can receive an indication (e.g., from the base station) in a field on a particular carrier, other than the first carrier, to switch to a non-dormancy group.

[0239] In some aspects, the UE can receive an indication (e.g., from the base station) in a field value in DCI to switch to a non-dormancy group, where the DCI is monitored in a common search space set or a PDCCH search space set that is always monitored, independent of whether the UE is in a dormancy group or a non-dormancy group. For example, if the UE selects a dormancy group and switches to the dormancy group, the UE can still monitor the common search space set, even though the UE is in the dormancy group. In other words, the UE does not otherwise monitor the PDCCH, but can still receive an indication to switch to a non-dormancy group. According to some aspects, the base station transmitting an indication to switch to a non-dormancy group can include the base station transmitting a value of a field in DCI in the common search space set or the PDCCH search space set that is always monitored, which is monitored independent of search space set group selection.

[0240] Alternatively or additionally, in some aspects, the UE can switch from the dormancy group to a non-dormancy group based at least in part on an implicit trigger. In some aspects, the implicit trigger can be a dormancy timer. According to some aspects, the UE can switch from the dormancy group to a non-dormancy group upon expiration of the dormancy timer. The non-dormancy group can be one of an indicated search space set group, a previous search space set group, or a default search space set group. According to some aspects, the non-dormancy group can be a first non-dormancy group to switch from the dormancy group.

[0241] In some aspects, the implicit trigger can involve sensing communication activity in a carrier. For example, if the activity detected in the carrier satisfies an activity threshold (e.g., minimum energy, preamble detection), the UE can switch from the dormancy group to a non-dormancy group. The activity threshold and sensing occasions can be specified by configuration. By switching to the dormancy group and switching out of the dormancy group, the UE can dynamically select when to conserve power and when to improve monitoring performance.

[0242] According to some aspects, when a UE has information to transmit on the uplink, the UE can initiate a transition out of a dormant group to transition to a non-dormant group. For example, in some aspects, when a UE has information to transmit on the uplink (e.g., uplink information), the UE can switch from at least one dormant group of a PDCCH search space set to a non-dormant group of the PDCCH search space set, such that the UE can monitor one or more PDCCH searches to receive uplink configuration information. In some aspects, the UE can transmit information based at least in part on the received uplink configuration information. According to some aspects, the UE can initiate a transition out of a dormant group to transition to a non-dormant group in various ways. For example, in some aspects, the UE can transmit a scheduling request (SR) to a base station. According to some aspects, the UE can switch from at least one dormant group of a PDCCH search space set to a non-dormant group of the PDCCH search space set based at least in part on the transmitted SR being received by the base station.

[0243] In some aspects, configuration information can be received and / or transmitted in various instances. For example, in some aspects, configuration information disclosed herein can be received and / or transmitted together in a single configuration message. In additional aspects, some configuration information disclosed herein can be received and / or transmitted at different times than other configuration information is received and / or transmitted. As a result, configuration information can be received and / or transmitted in one or more configuration messages.

[0244] Figure 14 A diagram illustrating another method for PDCCH skipping based on PDCCH search space set group switching is shown. Aspects of the method 1400 can be implemented by various other aspects of the disclosure described with reference to base stations / gNBs, such as base stations 110. For example, with reference to FIGs. 1-16 and 18, a controller / processor 240 of a base station 110 can control the base station 110 to perform the method 1400. Figures 1-4 For example, with reference to FIGs. 1-16 and 18, a controller / processor 240 of a base station 110 can control the base station 110 to perform the method 1400. Figure 2 For example, with reference to FIGs. 1-16 and 18, a controller / processor 240 of a base station 110 can control the base station 110 to perform the method 1400.

[0245] Figure 14 A method 1400 that can be performed by a base station, such as the base station 110, is illustrated. At block 1402, the base station, such as the base station 110, can transmit configuration information including information identifying one or more dormant groups of a PDCCH search space set, the one or more dormant groups of the PDCCH search space set including one or more PDCCH search space sets to be processed based at least in part on the configuration information. At block 1404, the base station can transmit an indication to switch from a first group of the PDCCH search space set to at least one dormant group of the PDCCH search space set of the identified one or more dormant groups of the PDCCH search space set, where the at least one dormant group of the PDCCH search space set includes the one or more PDCCH search space sets.

[0246] As an example, Figure 15 A diagram illustrating an example of PDCCH skipping based on PDCCH search space set cluster switching, in accordance with the present disclosure, is shown. Specifically, Figure 15 An example of PDCCH skipping based on PDCCH search space set cluster switching is illustrated, where discontinuous PDCCH search space monitoring is disabled.

[0247] As Figure 15 illustrated in FIG. 15A, a UE can monitor a PDCCH search space within a first PDCCH monitoring occasion 1502 within a first slot 1504. The UE can also monitor the PDCCH search space within a second PDCCH monitoring occasion 1506 within a second slot 1508. In some aspects, the first PDCCH monitoring occasion 1502 and the second PDCCH monitoring occasion 1506 can be associated with a same non-dormant cluster of a PDCCH search space set. In additional aspects, the first PDCCH monitoring occasion 1502 and the second PDCCH monitoring occasion 1506 can be associated with different non-dormant clusters of the PDCCH search space set. During the second PDCCH monitoring occasion 1506, the UE can receive configuration information from a base station within a PDCCH 1510 associated with a PDSCH 1512. The received configuration information can include an indication of one or more dormant clusters 1518 of the PDCCH search space set. According to some aspects, in response to receiving the configuration including the indication of the one or more dormant clusters 1518 of the PDCCH search space set, the UE can transmit an acknowledgement (ACK) 1514 acknowledging receipt of the configuration information (e.g., to the base station that transmitted the configuration information within the PDCCH 1510). In additional aspects, in response to receiving the configuration including the indication of the one or more dormant clusters 1518 of the PDCCH search space set, the UE can switch to the indicated one or more dormant clusters 1518 of the PDCCH search space set (e.g., at the beginning 1516 of the next slot). As Figure 15 illustrated in FIG. 15B, the UE can refrain from monitoring the PDCCH search space within the indicated one or more dormant clusters 1518 of the PDCCH search space set. To illustrate the lack of monitoring, no monitoring occasions are illustrated during the period of time in which the UE refrains from monitoring the PDCCH search space in FIG. 15B. As previously described, the one or more dormant clusters 1518 of the PDCCH search space set can be associated with a dormant timer 1520. The UE can refrain from monitoring the PDCCH search space within the indicated one or more PDCCH dormant clusters 1518 of the PDCCH search space set for a time duration specified by the dormant timer 1520. Figure 15

[0248] As Figure 15 ​As illustrated in the middle, the UE can switch from the one or more dormant groups 1518 of the indicated PDCCH search space set to a non-dormant group of the PDCCH search space set, such as Figure 15 A first non-dormant group 1522 of the PDCCH search space set as illustrated in the middle. The UE can switch to the non-dormant group 1522 of the PDCCH search space set based on an indication received from the base station or implicitly based on one or more rules being satisfied. In additional aspects, the UE can switch to the non-dormant group 1522 of the PDCCH search space set based at least in part on an expiration of a dormancy timer 1520 associated with the one or more dormant groups 1518 of the indicated PDCCH search space set. In some aspects, the UE can switch to the non-dormant group 1522 of the PDCCH search space set based at least in part on a determination that a number of consecutive PDCCH monitoring occasions in which no PDCCH transmission is detected has reached a threshold. Figure 15 The UE can monitor the PDCCH search space within the non-dormant group 1522 of the PDCCH search space set as illustrated in the middle. For example, the UE can monitor the PDCCH search space within the monitoring occasions 1524 and 1526 associated with the non-dormant group of the PDCCH search space set. Figure 16 The UE can monitor the PDCCH search space within the non-dormant group 1522 of the PDCCH search space set as illustrated in the middle. For example, the UE can monitor the PDCCH search space within the monitoring occasions 1524 and 1526 associated with the non-dormant group of the PDCCH search space set.

[0249] Fig. 1 illustrates an example of a wireless communications system that supports PDCCH search space set group switching, in accordance with one novel aspect. Figure 16 A diagram illustrating an example of PDCCH skipping based on PDCCH search space set group switching is shown. Specifically, Figure 16 An example of PDCCH skipping based on PDCCH search space set group switching is illustrated, where discontinuous PDCCH search space monitoring is enabled and multiple dormancy timers are utilized.

[0250] As Figure 16As illustrated in the middle, the UE can monitor PDCCH search space within a first PDCCH monitoring occasion 1602 within a first slot 1604. The UE can also monitor PDCCH search space within a second PDCCH monitoring occasion 1606 within a second slot 1608. In some aspects, the first PDCCH monitoring occasion 1602 and the second PDCCH monitoring occasion 1606 can be associated with a same non-dormant group of PDCCH search space sets. In additional aspects, the first PDCCH monitoring occasion 1602 and the second PDCCH monitoring occasion 1606 can be associated with different non-dormant groups of PDCCH search space sets. During the second PDCCH monitoring occasion 1606, the UE can receive configuration information from the base station within a PDCCH 1610 associated with a PDSCH 1612. The received configuration information can include an indication of one or more non-dormant groups of PDCCH search space sets 1618. In some aspects, the UE can not have received some information in the PDCCH 1610 or the PDSCH 1612. Accordingly, in response, the UE can transmit a negative acknowledgement (NACK) 1614 (e.g., to the base station that transmitted the configuration information within the PDCCH 1610). In additional aspects, the UE can still switch to the indicated one or more dormant groups of PDCCH search space sets 1618 (e.g., at the beginning 1616 of the next slot). As Figure 16 As illustrated in the middle, the UE can monitor PDCCH search space within a first PDCCH monitoring occasion 1602 within a first slot 1604. The UE can also monitor PDCCH search space within a second PDCCH monitoring occasion 1606 within a second slot 1608. In some aspects, the first PDCCH monitoring occasion 1602 and the second PDCCH monitoring occasion 1606 can be associated with a same non-dormant group of PDCCH search space sets. In additional aspects, the first PDCCH monitoring occasion 1602 and the second PDCCH monitoring occasion 1606 can be associated with different non-dormant groups of PDCCH search space sets. During the second PDCCH monitoring occasion 1606, the UE can receive configuration information from the base station within a PDCCH 1610 associated with a PDSCH 1612. The received configuration information can include an indication of one or more non-dormant groups of PDCCH search space sets 1618. In some aspects, the UE can not have received some information in the PDCCH 1610 or the PDSCH 1612. Accordingly, in response, the UE can transmit a negative acknowledgement (NACK) 1614 (e.g., to the base station that transmitted the configuration information within the PDCCH 1610). In additional aspects, the UE can still switch to the indicated one or more dormant groups of PDCCH search space sets 1618 (e.g., at the beginning 1616 of the next slot). As

[0251] As Figure 16 As illustrated in the middle, the UE can monitor PDCCH search space within a first PDCCH monitoring occasion 1602 within a first slot 1604. The UE can also monitor PDCCH search space within a second PDCCH monitoring occasion 1606 within a second slot 1608. In some aspects, the first PDCCH monitoring occasion 1602 and the second PDCCH monitoring occasion 1606 can be associated with a same non-dormant group of PDCCH search space sets. In additional aspects, the first PDCCH monitoring occasion 1602 and the second PDCCH monitoring occasion 1606 can be associated with different non-dormant groups of PDCCH search space sets. During the second PDCCH monitoring occasion 1606, the UE can receive configuration information from the base station within a PDCCH 1610 associated with a PDSCH 1612. The received configuration information can include an indication of one or more non-dormant groups of PDCCH search space sets 1618. In some aspects, the UE can not have received some information in the PDCCH 1610 or the PDSCH 1612. Accordingly, in response, the UE can transmit a negative acknowledgement (NACK) 1614 (e.g., to the base station that transmitted the configuration information within the PDCCH 1610). In additional aspects, the UE can still switch to the indicated one or more dormant groups of PDCCH search space sets 1618 (e.g., at the beginning 1616 of the next slot). As Figure 16As illustrated in the middle, the UE can monitor PDCCH search spaces within monitoring occasions 1670 and 1672 in slots 1674 and 1676, respectively, based at least in part on the ReTx timer.

[0252] As Figure 16 As illustrated in the middle, during monitoring occasion 1670, the UE can receive configuration information from the base station within PDCCH 1680 associated with PDSCH 1682. The received configuration information can include an indication of the other one or more dormant groups of PDCCH search space set 1684. According to some aspects, in response to receiving the configuration including the indication of the other one or more dormant groups of PDCCH search space set 1684, the UE can transmit (e.g., to the base station that transmitted the configuration information within PDCCH 1680) an ACK 1686 acknowledging receipt of the configuration information. In additional aspects, in response to receiving the configuration including the indication of the other one or more dormant groups of PDCCH search space set 1684, the UE can switch (e.g., at the start 1688 of the next slot 1676) to the indicated other one or more dormant groups of PDCCH search space set 1684. As Figure 16 As illustrated in the middle, the UE can refrain from monitoring some PDCCH search spaces within the indicated other one or more dormant groups of PDCCH search space set 1684. To illustrate the lack of monitoring, there are no monitoring occasions during the other one or more dormant groups of PDCCH search space set 1684 after slot 1676. Figure 16 As illustrated in the middle. In some aspects, the other one or more dormant groups of PDCCH search space set 1684 can be associated with a dormant timer 1690. In some aspects, dormant timer 1690 can be different than dormant timer 1692 associated with the one or more dormant groups of PDCCH search space set 1618. As Figure 17 As illustrated in the middle, the UE can refrain from monitoring some PDCCH search spaces within the indicated other one or more dormant groups of PDCCH search space set 1684 based at least in part on dormant timer 1690.

[0253] Figure 13 A block diagram conceptually illustrating a design of a UE configured in accordance with the present disclosure is shown. UE 1700 can be configured to perform operations including Figure 1 the methods 1300 described with reference to FIG. 13. In some implementations, UE 1700 includes means for performing the actions of various blocks of the methods 1300 described with reference to FIG. 13. Figure 2and / or the structure, hardware, and components shown and described for UE 120 of FIG. 2. For example, UE 1700 includes a controller 280 that operates to execute logic or computer instructions illustrated in communication manager 1710, as well as to control the various components of UE 1700 that provide the features and functionality of UE 1700. UE 1700 transmits and receives signals via wireless radios 1701a-r and antennas 252a-r under the control of controller 280. Wireless radios 1701a-r include various components and hardware, as in Figure 13 modulators and demodulators 254a-r, MIMO detector 256, receive processor 258, transmit processor 264, and TX MIMO processor 266, as illustrated in connection with UE 120 in

[0254] Communication manager 1710 can include reception logic 1702, switching logic 1703, and processing logic 1704. Portions of one or more of components 1702, 1703, or 1704 can be implemented at least in part in hardware or software. In some implementations, at least one of components 1702, 1703, and 1703 is implemented at least in part as software stored in a memory, such as memory 282. For example, portions of one or more of components 1702, 1703, and 1704 can be implemented as non-transitory instructions or code executable by a processor, such as controller 280, to perform the functions or operations of the respective component.

[0255] One or more of components 1702, 1703, or 1704 illustrated in communication manager 1710 can configure processor / controller 280 to perform one or more procedures related to wireless communication by UE 1700, as previously described. For example, reception logic 1702 can configure controller / processor 280 to perform operations including receiving configuration information including information identifying one or more dormant groups of PDCCH search space sets, in any of the ways previously described, such as with reference to block 1302 (see Figure 13 ) of FIG. 13. Additionally, switching logic 1703 can configure controller / processor 280 to perform operations including switching from a first group of PDCCH search space sets to at least one dormant group of PDCCH search space sets of the identified one or more dormant groups of PDCCH search space sets, in any of the ways previously described, such as with reference to block 1304 (see Figure 13 ) of FIG. 13. Additionally, processing logic 1704 can configure controller / processor 280 to perform operations including processing signals received from at least one dormant group of PDCCH search space sets of the identified one or more dormant groups of PDCCH search space sets, in any of the ways previously described, such as with reference to block 1306 (see Figures 1-2to perform operations including the following actions in any of the ways described: processing one or more PDCCH search space sets in at least one dormant group of PDCCH search space sets based at least in part on the received configuration information. The UE 1700 can receive signals from or transmit signals to one or more network entities, such as base stations or base stations as illustrated in Figure 18 . Figure 18 .

[0256] Figure 14 is a block diagram conceptually illustrating a design of a base station (e.g., gNB) configured in accordance with the present disclosure. The base station 1800 can be configured to perform operations including individual blocks of the method 1400 described with reference to Figures 1-2 . In some implementations, the base station 1800 includes the structure, hardware, and components shown and described with reference to the base station 110 of Figure 2 . For example, the base station 1800 can include a controller 240 that operates to execute the logic or computer instructions illustrated in the communication manager 1810, as well as to control the various components of the base station 1800 that provide the features and functionality of the base station 1800. The base station 1800 transmits and receives signals via wireless radios 1801a-t and antennas 234a-t under the control of the controller 240. The wireless radios 1801a-t include various components and hardware (as illustrated in Figure 14 for the base station 110), including modulator / demodulators 232a-t, transmit processor 220, TX MIMO processor 230, MIMO detector 236, and receive processor 238.

[0257] The communication manager 1810 can include a transmitting logic 1802. Portions of the component 1802 can be implemented at least in part in hardware or software. In some implementations, the component 1802 can be implemented at least in part as software stored in a memory, such as the memory 242. For example, portions of the component 1802 can be implemented as non-transitory instructions or code executable by a processor, such as the controller 240, to perform the functions or operations of the respective component.

[0258] The component 1802 illustrated in the communication manager 1810 configures the processor / controller 280 to perform one or more procedures related to wireless communication by the base station 1800, as previously described. For example, the transmitting logic 1802 can configure the controller / processor 280 to perform the operations of block 1402 (see Figure 14perform operations including transmitting configuration information including information identifying one or more dormant groups of PDCCH search space sets, the one or more dormant groups of PDCCH search space sets including one or more PDCCH search space sets to be processed based at least in part on the received configuration information, in any of the ways described previously, such as with reference to block 1404 (see Figures 1-2 perform operations including transmitting an indication to switch from a first group of PDCCH search space sets to at least one dormant group of PDCCH search space sets in the identified one or more dormant groups of PDCCH search space sets, where the at least one dormant group of PDCCH search space sets includes the one or more PDCCH search space sets, in any of the ways described previously, such as with reference to block 1404 (see Figure 17 The base station 1800 can receive signals from or transmit signals to one or more UEs, such as the UE 120 of Figure 13 or as illustrated in FIG. 17.

[0259] Note that one or more of the blocks (or operations) described with reference to Figures 5-8 and 14 may be combined with one or more of the blocks (or operations) described with reference to another figure in the drawings, e.g., FIGs. Figure 13 For example, one or more of the blocks (or operations) of Figure 14 may be combined with one or more of the blocks (or operations) of Figure 17 As another example, one or more of the blocks associated with Figure 1 or 18 can be combined with one or more of the blocks (or operations) associated with ​ or 2.

[0260] In some aspects, techniques for PDCCH skipping based on PDCCH search space set group switching can include a UE receiving configuration information including information identifying one or more dormant groups of PDCCH search space sets. Techniques for PDCCH skipping based on PDCCH search space set group switching can also include the UE switching from a first group of PDCCH search space sets to at least one dormant group of PDCCH search space sets in the identified one or more dormant groups of PDCCH search space sets. Techniques for PDCCH skipping based on PDCCH search space set group switching can further include the UE processing one or more PDCCH search space sets in the at least one dormant group of PDCCH search space sets based at least in part on the received configuration information.

[0261] Techniques for PDCCH skipping based on PDCCH search space set group switching can include additional aspects, such as any single aspect or any combination of aspects described below and / or in connection with one or more other processes described elsewhere herein.

[0262] In a first aspect, the received configuration information includes an indication that the one or more PDCCH search space sets are to include PDCCH search space monitoring, and processing the one or more PDCCH search space sets includes: monitoring one or more PDCCH search spaces within the one or more PDCCH search space sets.

[0263] In a second aspect, alone or in combination with the first aspect, processing the one or more PDCCH search space sets includes: monitoring one or more PDCCH search spaces within the one or more PDCCH search space sets based at least in part on a rule for search space monitoring being satisfied.

[0264] In a third aspect, alone or in combination with one or more of the first and second aspects, the received configuration information includes at least one of an RTT indication or a retransmission timer indication, and processing the one or more PDCCH search space sets includes: monitoring one or more PDCCH search spaces within the one or more PDCCH search space sets based at least in part on at least one of the RTT indication or the retransmission timer indication.

[0265] In a fourth aspect, alone or in combination with one or more of the first through third aspects, the received configuration information includes DRX configuration information, wherein at least one of the RTT indication or the retransmission timer indication is associated with the DRX configuration information, and processing the one or more PDCCH search space sets further includes at least one of: suspending or invalidating at least one of a DRX on-duration timer or a DRX inactivity timer associated with the DRX configuration information.

[0266] In a fifth aspect, alone or in combination with one or more of the first through fourth aspects, processing the one or more PDCCH search space sets includes: refraining from monitoring one or more PDCCH search spaces within the one or more PDCCH search space sets.

[0267] In a sixth aspect, alone or in combination with one or more of the first through fifth aspects, the received configuration information includes a dormancy timer providing an indication of a time period to refrain from monitoring a search space, and processing the one or more PDCCH search space sets includes: refraining from monitoring one or more PDCCH search spaces within the one or more PDCCH search space sets based at least in part on the dormancy timer.

[0268] In a seventh aspect, alone or in combination with one or more of the first through sixth aspects, the dormancy timer is started upon receiving configuration information identifying one or more dormant groups of the PDCCH search space set.

[0269] In an eighth aspect, alone or in combination with one or more of the first through seventh aspects, the received configuration information includes an indication of one or more dormant groups of the PDCCH search space set.

[0270] In a ninth aspect, alone or in combination with one or more of the first through eighth aspects, the received configuration information includes an indication of one or more non-dormant groups of the PDCCH search space set, and the one or more dormant groups of the PDCCH search space set are identified based at least in part on the indication of the one or more non-dormant groups of the PDCCH search space set.

[0271] In some aspects, techniques for PDCCH skipping based on PDCCH search space set group switching can include a base station transmitting configuration information including information identifying one or more dormant groups of a PDCCH search space set, the one or more dormant groups of the PDCCH search space set including one or more PDCCH search space sets to be processed based at least in part on the received configuration information. Techniques for PDCCH skipping based on PDCCH search space set group switching can further include: the base station transmitting an indication to switch from a first group of PDCCH search space sets to at least one dormant group of PDCCH search space sets in the identified one or more dormant groups of PDCCH search space sets, where the at least one dormant group of PDCCH search space sets includes the one or more PDCCH search space sets.

[0272] Techniques for PDCCH skipping based on PDCCH search space set group switching can include additional aspects, such as any single aspect or any combination of aspects described below and / or in connection with one or more other processes described elsewhere herein.

[0273] In a tenth aspect, the transmitted configuration information includes an indication that the one or more PDCCH search space sets are to include PDCCH search space monitoring such that one or more PDCCH search spaces within the one or more PDCCH search space sets that are to be processed are monitored.

[0274] In an eleventh aspect, alone or in combination with the tenth aspect, the one or more PDCCH search spaces within the one or more PDCCH search space sets that are to be processed are monitored based at least in part on satisfying a rule for search space monitoring.

[0275] In a twelfth aspect, alone or in combination with one or more of the tenth through eleventh aspects, the transmitted configuration information includes at least one of a RTT indication or a retransmission timer indication such that the one or more PDCCH search spaces within the one or more PDCCH search space sets that are to be processed are monitored based at least in part on at least one of the round trip timer indication or the retransmission timer indication.

[0276] In a thirteenth aspect, alone or in combination with one or more of the tenth through twelfth aspects, the transmitted configuration information includes DRX configuration information and at least one of the RTT indication or the retransmission timer indication is associated with the DRX configuration information and at least one of a DRX on duration timer or a DRX inactivity timer associated with the DRX configuration information is suspended and / or invalidated.

[0277] In a fourteenth aspect, alone or in combination with one or more of the tenth through thirteenth aspects, the one or more PDCCH search spaces within the one or more PDCCH search space sets that are to be processed are not monitored.

[0278] In a fifteenth aspect, alone or in combination with one or more of the tenth through fourteenth aspects, the transmitted configuration information includes a dormancy timer that provides an indication of a period of time to refrain from search space monitoring such that the one or more PDCCH search spaces within the one or more PDCCH search space sets that are to be processed are not monitored based at least in part on the dormancy timer.

[0279] In a sixteenth aspect, alone or in combination with one or more of the tenth through fifteenth aspects, the dormancy timer is initiated based at least in part on the transmitted configuration information identifying one or more dormancy groups of the PDCCH search space sets.

[0280] In a seventeenth aspect, alone or in combination with one or more of the tenth through sixteenth aspects, the transmitted configuration information includes an indication of one or more dormancy groups of the PDCCH search space sets.

[0281] In a twelfth aspect, alone or in combination with one or more of the tenth through eleventh aspects, the received configuration information includes an indication of one or more non-dormant groups of the set of PDCCH search spaces, and the one or more dormant groups of the set of PDCCH search spaces are identified based at least in part on the indication of the one or more non-dormant groups of the set of PDCCH search spaces.

[0282] The following provides an overview of some aspects of the disclosure:

[0283] Aspect 1 : A method of wireless communication performed by a user equipment (UE), comprising: switching, in a first carrier, from a first group of search space sets for monitoring a physical downlink control channel (PDCCH) to a dormant group of search space sets; and refraining from monitoring the PDCCH based at least in part on switching to the dormant group.

[0284] Aspect 2: The method of aspect 1, wherein the dormant group is an empty group having no search space sets.

[0285] Aspect 3: The method of aspect 1, wherein the dormant group comprises a dummy search space set having an infinite periodicity or zero PDCCH candidates.

[0286] Aspect 4: The method of any of aspects 1-3, wherein switching to the dormant group comprises: switching to the dormant group based at least in part on receiving an indication to switch to the dormant group for no PDCCH monitoring.

[0287] Aspect 5: The method of aspect 4, wherein receiving the indication to switch to the dormant group comprises: receiving a value in a search space set group indication field in downlink control information.

[0288] Aspect 6: The method of aspect 4, wherein receiving the indication to switch to the dormant group comprises: receiving the indication in a medium access control control element.

[0289] Aspect 7: The method of any of aspects 1-6, wherein receiving the indication to switch to the dormant group comprises: receiving the indication only in designated non-dormant groups.

[0290] Aspect 8: The method of any of aspects 1-7, wherein switching to the dormant group comprises: switching to the dormant group based at least in part on determining that inactivity on the PDCCH satisfies an inactivity threshold.

[0291] Aspect 9: The method of any of aspects 1-8, further comprising: receiving a switching rule for switching to the dormant group, wherein switching to the dormant group comprises: switching to the dormant group based at least in part on determining that one or more conditions satisfy the switching rule.

[0292] Aspect 10: The method of any of aspects 1-9, further comprising: switching from the dormancy group to the non-dormancy group in the first carrier based at least in part on receiving the indication to switch to the non-dormancy group.

[0293] Aspect 11: The method of aspect 10, wherein receiving the indication to switch to the non-dormancy group comprises: receiving the indication in a medium access control control element (MAC CE) on a semi-persistent scheduling resource.

[0294] Aspect 12: The method of aspect 10, wherein receiving the indication to switch to the non-dormancy group comprises: receiving the indication in a field on a particular carrier among the plurality of carriers other than the first carrier.

[0295] Aspect 13: The method of aspect 10, wherein receiving the indication to switch to the non-dormancy group comprises: receiving a value of a field in downlink control information in a common search space set monitored independently of search space group selection.

[0296] Aspect 14: The method of any of aspects 1-13, further comprising: switching from the dormancy group to the non-dormancy group based at least in part on expiration of a dormancy timer, wherein the non-dormancy group is one of a designated search space group, a previous search space group, or a default search space group.

[0297] Aspect 15: The method of aspect 14, wherein expiration of the dormancy timer is based at least in part on a value of a dormancy timer received in a configuration or an indication to switch to the dormancy group.

[0298] Aspect 16: The method of aspect 14, wherein expiration of the dormancy timer is based at least in part on one or more of a time duration, a number of slots, or a number of discontinuous reception cycles.

[0299] Aspect 17: The method of any of aspects 1-16, further comprising: switching from the dormancy group to the non-dormancy group based at least in part on determining that a communication activity in the first carrier satisfies an activity threshold.

[0300] Aspect 18: A method of wireless communication performed by a base station, comprising: determining that a user equipment (UE) is to switch from a first group of search space sets for monitoring a physical downlink control channel (PDCCH) to a dormancy group of search space sets in a first carrier; and transmitting, to the UE, an indication to switch to the dormancy group to cause the UE to refrain from monitoring the PDCCH based at least in part on switching to the dormancy group.

[0301] Aspect 19: The method of aspect 18, wherein the dormancy group is an empty group without search space sets.

[0302] Aspect 20: The method of aspect 18, wherein the dormant group comprises a dummy search space set with infinite periodicity or zero PDCCH candidates.

[0303] Aspect 21: The method of any of aspects 18-20, wherein transmitting the indication to switch to the dormant group comprises: transmitting a value in a search space set group indication field in downlink control information.

[0304] Aspect 22: The method of any of aspects 18-20, wherein transmitting the indication to switch to the dormant group comprises: transmitting the indication in a medium access control control element (MAC CE).

[0305] Aspect 23: The method of any of aspects 18-22, further comprising: transmitting, to the UE, a configuration that specifies the UE is to switch to the dormant group based at least in part on determining that the inactivity on the PDCCH satisfies an inactivity threshold.

[0306] Aspect 24: The method of any of aspects 18-23, further comprising: transmitting, to the UE, a switching rule for switching to the dormant group, wherein the switching rule specifies that the UE is to switch to the dormant group based at least in part on determining that one or more conditions satisfy the switching rule.

[0307] Aspect 25: The method of any of aspects 18-24, further comprising: transmitting, to the UE, an indication to switch from the dormant group to a non-dormant group in the first carrier.

[0308] Aspect 26: The method of aspect 25, wherein transmitting the indication to switch to the non-dormant group comprises: transmitting the indication in a medium access control control element (MAC CE) on a semi-persistent scheduling resource.

[0309] Aspect 27: The method of aspect 25, wherein transmitting the indication to switch to the non-dormant group comprises: transmitting the indication in a field on a particular carrier among the plurality of carriers other than the first carrier.

[0310] Aspect 28: The method of aspect 25, wherein transmitting the indication to switch to the non-dormant group comprises: transmitting a value of a field in downlink control information in a common search space set monitored independently of search space set group selection.

[0311] Aspect 29: The method of any of aspects 18-28, wherein transmitting the indication to switch to the dormant group comprises: transmitting the indication only in the designated non-dormant group.

[0312] Aspect 30: The method of any of aspects 18-29, further comprising: transmitting, to the UE, a value of a dormancy timer, wherein the UE is to switch from a dormant group to a non-dormant group based at least in part on expiration of the dormancy timer, and wherein the non-dormant group is one of the designated search space set group, the previous search space set group, or a default search space set group.

[0313] Aspect 31: The method of aspect 30, further comprising transmitting the value of the dormancy timer in an indication to configure or switch to a dormant group.

[0314] Aspect 32: The method of aspect 30, wherein expiration of the dormancy timer is based at least in part on one or more of a time duration, a number of slots, or a number of discontinuous reception cycles.

[0315] Aspect 33: A method of wireless communication performed by a user equipment (UE), comprising: switching, in a first carrier, from a first group of search space sets for monitoring a physical downlink control channel (PDCCH) to a first non-dormant group of search space sets, wherein the UE is restricted to switch from the first group to a dormant group of search space sets in the first carrier; switching from the first non-dormant group to the dormant group; and refraining from monitoring the PDCCH based at least in part on switching to the dormant group.

[0316] Aspect 34: The method of aspect 33, wherein the dormant group is an empty group having no search space sets.

[0317] Aspect 35: The method of aspect 33, wherein the dormant group comprises a dummy search space set having infinite periodicity or zero PDCCH candidates.

[0318] Aspect 36: The method of any of aspects 33-35, wherein switching from the first non-dormant group to the dormant group comprises: switching to the dormant group based at least in part on receiving an indication to switch to the dormant group.

[0319] Aspect 37: The method of aspect 36, wherein receiving the indication to switch to the dormant group comprises: receiving a value in a search space set group indication field in downlink control information or a medium access control control element (MAC CE).

[0320] Aspect 38: The method of any of aspects 33-37, wherein switching to the dormant group comprises: switching to the dormant group based at least in part on determining that inactivity on the PDCCH satisfies an inactivity threshold.

[0321] Aspect 39: The method of any of aspects 33-38, further comprising: receiving a switching rule for switching to a dormant group, wherein switching to a dormant group comprises: switching to a dormant group based at least in part on determining that one or more conditions satisfy the switching rule.

[0322] Aspect 40: The method of any of aspects 33-39, further comprising: switching from a dormant group to a first non-dormant group based at least in part on receiving an indication to switch to a non-dormant group.

[0323] Aspect 41: The method of aspect 40, wherein receiving the indication to switch to the first non-dormant group comprises: receiving the indication in a medium access control control element on a semi-persistent scheduling resource.

[0324] Aspect 42: The method of aspect 40, wherein receiving the indication to switch to a non-dormant group comprises: receiving the indication in a field on a particular carrier among a plurality of carriers other than the first carrier.

[0325] Aspect 43: The method of aspect 40, wherein receiving the indication to switch to the first non-dormant group comprises: receiving a value of a field in downlink control information in a common search space set monitored independently of search space group selection.

[0326] Aspect 44: The method of aspect 40, further comprising switching from a dormant group to a first non-dormant group based at least in part on expiration of a dormancy timer, wherein the expiration of the dormancy timer is based at least in part on one or more of a time duration, a number of slots, or a number of discontinuous reception cycles.

[0327] Aspect 45: The method of any of aspects 33-44, further comprising: switching from a dormant group to a first non-dormant group based at least in part on determining that a communication activity in the first carrier satisfies an activity threshold.

[0328] Aspect 46: An apparatus for wireless communication at a device, comprising a processor; memory coupled with the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform the method of one or more of Aspects 1-45.

[0329] Aspect 47: A device for wireless communication, comprising a memory and one or more processors coupled to the memory and configured to perform the method of one or more of Aspects 1-45.

[0330] Aspect 48: A device for wireless communication, comprising at least one means for performing the method of one or more of Aspects 1-45.

[0331] Aspect 49: A non-transitory computer-readable medium storing code for wireless communication, the code comprising instructions executable by a processor to perform the method of one or more of Aspects 1-45.

[0332] Aspect 50: A non-transitory computer-readable medium storing a set of instructions for wireless communication that, when executed by one or more processors of a device, cause the device to perform the method of one or more of Aspects 1-45.

[0333] The following provides an overview of some other aspects of the present disclosure:

[0334] Aspect 1: A method of wireless communication performed by a user equipment (UE), comprising: receiving configuration information including information that identifies one or more dormant groups of physical downlink control channel (PDCCH) search space sets; switching from a first group of PDCCH search space sets to at least one dormant group of PDCCH search space sets of the identified one or more dormant groups of PDCCH search space sets; and processing one or more PDCCH search space sets in the at least one dormant group of PDCCH search space sets based at least in part on the received configuration information.

[0335] Aspect 2: The method of Aspect 1, wherein a dormant group is an empty group without a search space set or a search space set with infinite periodicity or zero PDCCH candidates.

[0336] Aspect 3: The method of Aspect 1 or 2, wherein the received configuration information includes an indication that indicates that the one or more PDCCH search space sets are to include PDCCH search space monitoring, and wherein processing the one or more PDCCH search space sets comprises: monitoring one or more PDCCH search spaces within the one or more PDCCH search space sets.

[0337] Aspect 4: The method of any of Aspects 1-3, wherein processing the one or more PDCCH search space sets comprises: monitoring one or more PDCCH search spaces within the one or more PDCCH search space sets based at least in part on a rule for search space monitoring being satisfied.

[0338] Aspect 5: The method of any of Aspects 1-4, wherein the received configuration information includes at least one of a round-trip timer indication or a retransmission timer indication, and wherein processing the one or more PDCCH search space sets comprises: monitoring one or more PDCCH search spaces within the one or more PDCCH search space sets based at least in part on at least one of the round-trip timer indication or the retransmission timer indication.

[0339] Aspect 6: The method of aspect 5, wherein the received configuration information comprises discontinuous reception (DRX) configuration information, and wherein at least one of the round-trip timer indication or the retransmission timer indication is associated with the DRX configuration information, and wherein processing the one or more PDCCH search space sets further comprises at least one of suspending or invalidating at least one of a DRX on-duration timer or a DRX inactivity timer associated with the DRX configuration information.

[0340] Aspect 7: The method of any of aspects 1-6, wherein processing the one or more PDCCH search space sets comprises: refraining from monitoring one or more PDCCH search spaces within the one or more PDCCH search space sets.

[0341] Aspect 8: The method of aspect 7, wherein the received configuration information comprises a dormancy timer that provides an indication of a time period for refraining from search space monitoring, and wherein processing the one or more PDCCH search space sets comprises: refraining from monitoring one or more PDCCH search spaces within the one or more PDCCH search space sets based at least in part on the dormancy timer.

[0342] Aspect 9: The method of aspect 8, wherein the dormancy timer is started upon receiving configuration information identifying one or more dormant groups of the PDCCH search space set.

[0343] Aspect 10: The method of any of aspects 1-9, wherein the received configuration information comprises an indication of one or more dormant groups of the PDCCH search space set.

[0344] Aspect 11: The method of any of aspects 1-10, wherein the received configuration information comprises an indication of one or more non-dormant groups of a PDCCH search space set, and wherein the one or more dormant groups of the PDCCH search space set are identified based at least in part on the indication of the one or more non-dormant groups of the PDCCH search space set.

[0345] Aspect 12: A method of wireless communication performed by a base station, comprising: transmitting configuration information comprising information identifying one or more dormant groups of a physical downlink control channel (PDCCH) search space set that includes one or more PDCCH search space sets to be processed; and transmitting an indication to switch from a first group of the PDCCH search space set to at least one dormant group of the PDCCH search space set that is identified from the one or more dormant groups of the PDCCH search space set, wherein the at least one dormant group of the PDCCH search space set includes the one or more PDCCH search space sets.

[0346] Aspect 13: The method of aspect 12, wherein the dormant group is an empty group having no search space sets or a search space set having infinite periodicity or zero PDCCH candidates.

[0347] Aspect 14: The method of aspect 12, wherein the transmitted configuration information includes an indication indicating that the one or more PDCCH search space sets are to include PDCCH search space monitoring such that one or more PDCCH search spaces within the one or more PDCCH search space sets to be processed are monitored.

[0348] Aspect 15: The method of aspect 14, wherein the one or more PDCCH search spaces within the one or more PDCCH search space sets to be processed are monitored based at least in part on satisfying a rule for search space monitoring.

[0349] Aspect 16: The method of any of aspects 12-15, wherein the transmitted configuration information includes at least one of a round-trip timer indication or a retransmission timer indication such that the one or more PDCCH search spaces within the one or more PDCCH search space sets to be processed are monitored based at least in part on at least one of the round-trip timer indication or the retransmission timer indication.

[0350] Aspect 17: The method of aspect 16, wherein the transmitted configuration information includes discontinuous reception (DRX) configuration information, wherein at least one of the round-trip timer indication or the retransmission timer indication is associated with the DRX configuration information, and wherein at least one of a DRX on-duration timer or a DRX inactivity timer associated with the DRX configuration information is suspended and / or invalidated.

[0351] Aspect 18: The method of any of aspects 12-17, wherein the one or more PDCCH search spaces within the one or more PDCCH search space sets to be processed are not monitored.

[0352] Aspect 19: The method of any of aspects 12-18, wherein the transmitted configuration information includes a dormancy timer providing an indication of a period of time to refrain from search space monitoring such that the one or more PDCCH search spaces within the one or more PDCCH search space sets to be processed are not monitored based at least in part on the dormancy timer.

[0353] Aspect 20: The method of aspect 19, wherein the dormancy timer is started based at least in part on the transmitted configuration information identifying one or more dormant groups of the PDCCH search space sets.

[0354] Aspect 21: The method of any of aspects 12-20, wherein the transmitted configuration information comprises an indication of one or more dormant groups of the PDCCH search space set.

[0355] Aspect 22: The method of any of aspects 12-21, wherein the transmitted configuration information comprises an indication of one or more non-dormant groups of the PDCCH search space set, and wherein the one or more dormant groups of the PDCCH search space set are identified based at least in part on the indication of the one or more non-dormant groups of the PDCCH search space set.

[0356] Aspect 23: An apparatus for wireless communication at a device, comprising a processor; memory coupled with the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform the method of one or more of aspects 1-22.

[0357] Aspect 24: A device for wireless communication comprising a memory and one or more processors coupled to the memory and configured to perform the method of one or more of aspects 1-22.

[0358] Aspect 25: A device for wireless communication comprising at least one means for performing the method of one or more of aspects 1-22.

[0359] Aspect 26: A non-transitory computer-readable medium storing code for wireless communication, the code comprising instructions executable by a processor to perform the method of one or more of aspects 1-22.

[0360] Aspect 27: A non-transitory computer-readable medium storing a set of instructions for wireless communication, the set of instructions comprising one or more instructions that, when executed by one or more processors of a device, cause the device to perform the method of one or more of aspects 1-22.

[0361] The foregoing disclosure provides explanation and description to enable a person skilled in the art to make or use the aspects, but is not intended to be exhaustive or to limit the aspects to the precise form disclosed. Modifications and variations are possible in light of the above disclosure or can be acquired from practice of the aspects.

[0362] As used herein, the term "component" is intended to be broadly construed as hardware and / or a combination of hardware and software. "Software" shall be broadly construed to mean instructions, instruction sets, code, code segments, program code, programs, subprograms, software modules, applications, software applications, software packages, routines, subroutines, objects, executables, threads of execution, procedures, and / or functions, among other examples, whether referred to as software, firmware, middleware, microcode, hardware description language, or otherwise. As used herein, a processor is implemented in hardware and / or a combination of hardware and software. The systems and / or methods described herein can be implemented in a variety of ways. As one of skill in the art will appreciate, the systems and / or methods can be implemented in the absence of specific software code. Indeed, software and hardware can be designed to implement the systems and / or methods based, at least in part, on the descriptions contained herein.

[0363] As used herein, depending on the context, satisfying a threshold can refer to being greater than the threshold, being greater than or equal to the threshold, being less than the threshold, being less than or equal to the threshold, being equal to the threshold, not being equal to the threshold, and / or the like.

[0364] Although specific combinations of features are recited in the claims and / or disclosed in the specification, these combinations are not intended to limit the disclosure of various aspects. In fact, many of these features can be combined in ways not specifically recited in the claims and / or disclosed in the specification. Although each dependent claim below can directly depend on only one claim, the disclosure of each dependent claim can be combined with the disclosure of each other dependent claim. As used herein, a phrase referring to "at least one of a list of items means any combination of those items, including single members. As an example, "at least one of a, b, and c" is intended to cover a, b, c, a-b, a-c, b-c, and a-b-c, as well as any combination of multiples of the same element (e.g., a-a, a-a-a, a-a-b, a-a-c, a-b-b, a-c-c, b-b, b-b-b, b-b-c, c-c, and c-c-c, or any other ordering of a, b, and c).

[0365] No element, act, or instruction used herein should be construed as critical or essential unless explicitly described as such. Also, as used herein, the articles “a” and “an” are intended to include one or more items, and can be used interchangeably with “one or more.” Furthermore, as used herein, the article “the” is intended to include one or more items unless otherwise indicated. Also, as used herein, the term “set” and “group” is intended to include one or more items (for example, related items, unrelated items, or a combination of related and unrelated items), and can be used interchangeably with “one or more.” Where only one item is intended, the phrase “only one” or similar language is used. Also, as used herein, the terms “has,” “have,” “having,” or the like are intended to be open-ended terms. Further, the phrase “based on” is intended to mean “based, at least in part, on” unless explicitly stated otherwise. Also, as used herein, the term “or” is intended to be inclusive when used in a series and can be used interchangeably with “and / or,” unless explicitly stated otherwise (e.g., in a series of alternatives “any of X, Y, or Z” the phrase means any of X, Y, or Z individually).

Claims

1. A user equipment (UE), comprising: Memory; as well as One or more processors are coupled to the memory and configured to: Receive configuration information including information identifying one or more sleep groups of the Physical Downlink Control Channel (PDCCH) search space set; Switch from the first group of the PDCCH search space set to at least one dormant group of the PDCCH search space set in one or more dormant groups identified by the PDCCH search space set; as well as One or more PDCCH search space sets in at least one dormant group of the PDCCH search space set are processed based at least in part on the received configuration information.

2. The UE as claimed in claim 1, wherein the dormant group is an empty group without a search space set or a search space set with infinite periodicity or zero PDCCH candidates.

3. The UE of claim 1, wherein the received configuration information includes an indication that the one or more PDCCH search space sets will include PDCCH search space monitoring, and wherein, in order to process the one or more PDCCH search space sets, the one or more processors are configured to: monitor one or more PDCCH search spaces within the one or more PDCCH search space sets.

4. The UE of claim 1, wherein, in order to process the one or more PDCCH search space sets, the one or more processors are configured to: monitor one or more PDCCH search spaces within the one or more PDCCH search space sets at least in part based on satisfying rules for search space monitoring.

5. The UE of claim 1, wherein the received configuration information includes at least one of a round-trip timer indication or a retransmission timer indication, and wherein, in order to process the one or more PDCCH search space sets, the one or more processors are configured to: monitor one or more PDCCH search spaces within the one or more PDCCH search space sets based at least in part on the round-trip timer indication or the retransmission timer indication.

6. The UE of claim 5, wherein the received configuration information includes discontinuous reception (DRX) configuration information, wherein at least one of the round-trip timer indication or the retransmission timer indication is associated with the DRX configuration information, and wherein, in order to process the one or more PDCCH search space sets, the one or more processors are configured to perform at least one of the following operations: suspend or invalidate at least one of the DRX enable duration timer or DRX inactive timer associated with the DRX configuration information.

7. The UE of claim 1, wherein, in order to process the one or more PDCCH search space sets, the one or more processors are configured to: suppress monitoring of one or more PDCCH search spaces within the one or more PDCCH search space sets.

8. The UE of claim 7, wherein the received configuration information includes a sleep timer providing an indication of a period of time for suppressing search space monitoring, and wherein, in order to process the one or more PDCCH search space sets, the one or more processors are configured to: suppress monitoring of the one or more PDCCH search spaces within the one or more PDCCH search space sets, at least in part based on the sleep timer.

9. The UE of claim 8, wherein the sleep timer is started upon receiving configuration information identifying one or more sleep groups of the PDCCH search space set.

10. The UE of claim 1, wherein the received configuration information includes an indication of one or more dormant groups of the PDCCH search space set.

11. The UE of claim 1, wherein the received configuration information includes an indication of one or more non-dormant groups of the PDCCH search space set, and wherein the one or more dormant groups of the PDCCH search space set are identified at least in part based on the indication of the one or more non-dormant groups of the PDCCH search space set.

12. A base station, comprising: Memory; as well as One or more processors are coupled to the memory and configured to: Configuration information is transmitted that includes information identifying one or more sleep groups of a Physical Downlink Control Channel (PDCCH) search space set, wherein the one or more sleep groups of the PDCCH search space set include one or more PDCCH search space sets to be processed; as well as Transmit an indication to switch from a first group of PDCCH search space sets to at least one dormant group of one or more identified dormant groups of PDCCH search space sets, wherein the at least one dormant group of PDCCH search space sets includes the one or more PDCCH search space sets.

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