Non-contiguous slot monitoring configuration for early access

Abstract

A wireless communication method performed by a user equipment (UE) includes receiving from a network node a message indicating a set of multi-slot surveillance configurations supported by a base station, based on a minimum surveillance opportunity periodically greater than or equal to one time slot associated with a search space. The method further includes transmitting to the network node a selection message indicating a selection of a single multi-slot surveillance configuration from the set of multi-slot surveillance configurations. The method further includes monitoring the search space in multiple discontinuous surveillance opportunity groups to search for physical downlink control channel (PDCCH) transmissions, each surveillance opportunity group including multiple discontinuous surveillance opportunities based on the single multi-slot surveillance configuration.

Description

[0001] Cross-references to related applications

[0002] This application claims priority to U.S. Patent Application No. 17 / 674,791, filed February 17, 2022, entitled “non-consecutive slot monitoring configuration for early access,” which claims the benefit of U.S. Provisional Patent Application No. 63 / 152,062, filed February 22, 2021, entitled “non-consecutive slot monitoring configuration for early access,” and U.S. Provisional Patent Application No. 63 / 183,983, filed May 4, 2021, the disclosures of which are expressly incorporated herein by reference in their entirety.

[0003] open field

[0004] Various aspects of this disclosure generally relate to wireless communications, and more particularly to techniques and apparatus for monitoring discontinuous time slots for early access. Background Technology

[0005] Wireless communication systems are widely deployed to provide a variety of telecommunications services such as telephone, video, data, messaging, and broadcasting. Typical wireless communication systems employ multiple access technologies that can support communication with multiple users by sharing available system resources (e.g., bandwidth, transmit power). Examples of such multiple access technologies include Code Division Multiple Access (CDMA) systems, Time Division Multiple Access (TDMA) systems, Frequency Division Multiple Access (FDMA) systems, Orthogonal Frequency Division Multiple Access (OFDMA) systems, Single Carrier Frequency Division Multiple Access (SC-FDMA) systems, Time Division Synchronous Code Division Multiple Access (TD-SCDMA) systems, and Long Term Evolution (LTE). LTE / LTE-Advanced is an enhancement set of the Universal Mobile Telecommunications System (UMTS) mobile standard issued by the 3rd Generation Partnership Project (3GPP).

[0006] A wireless communication network may include several base stations (BSs) capable of supporting communication between several user equipments (UEs). UEs can communicate with the base stations (BSs) via downlinks and uplinks. A downlink (or forward link) refers to the communication link from the BS to the UE, while an uplink (or reverse link) refers to the communication link from the UE to the BS. As will be described in more detail, a BS may be referred to as a B-node, gNB, access point (AP), radio headend, transmit / receive point (TRP), new radio (NR) BS, 5G B-node, etc.

[0007] The above multiple access technologies have been adopted in various telecommunications standards to provide a common protocol that enables different user equipment to communicate at the city, country, region, and even global levels. New Radio (NR) (also known as 5G) is an enhancement set to the LTE mobile standard issued by the 3rd Generation Partnership Project (3GPP). NR is designed to better support mobile broadband Internet access by using Orthogonal Frequency Division Multiplexing (OFDM) with a Cyclic Prefix (CP) (CP-OFDM) on the downlink (DL), and using CP-OFDM and SC-FDM (e.g., also known as Discrete Fourier Transform Extended OFDM (DFT-s-OFDM)) on the uplink (UL), as well as supporting beamforming, multiple-input multiple-output (MIMO) antenna technologies and carrier aggregation to improve spectral efficiency, reduce costs, improve service, utilize new spectrum, and better integrate with other open standards.

[0008] In some examples, the UE can be configured to monitor downlink transmissions, such as control information transmitted on the Physical Downlink Control Channel (PDCCH), during one or more monitoring opportunities within each time slot of a subframe. In some such examples, the amount of time used to receive, decode, and process the downlink transmission may be less than the duration of a single time slot. Therefore, to save power, after receiving, decoding, and processing the downlink transmission received in a time slot, the UE can enter a micro-sleep state for the remainder of that time slot.

[0009] Overview

[0010] The systems, methods, and apparatus disclosed herein each have several innovative aspects, and no single aspect is solely responsible for the desired properties disclosed herein.

[0011] In one aspect of this disclosure, a wireless communication method performed by a user equipment (UE) includes receiving from a network node a message indicating a set of multi-slot surveillance configurations supported by the network node based on the fact that a minimum surveillance opportunity associated with a search space is periodically greater than or equal to one time slot. The method further includes transmitting to the network node a selection message indicating a selection of a single multi-slot surveillance configuration from the set of multi-slot surveillance configurations. The method further includes monitoring the search space in several discontinuous surveillance opportunity groups to search for Physical Downlink Control Channel (PDCCH) transmissions. Each of the several discontinuous surveillance opportunity groups may include several discontinuous surveillance opportunities associated with a single multi-slot surveillance configuration.

[0012] Another aspect of this disclosure relates to an apparatus including means for receiving from a network node a message indicating a set of multi-slot surveillance configurations supported by the network node based on the fact that a minimum surveillance opportunity associated with a search space is periodically greater than or equal to one time slot. The apparatus further includes means for transmitting to the network node a selection message indicating a selection of a single multi-slot surveillance configuration from the set of multi-slot surveillance configurations. The apparatus further includes means for monitoring the search space in several discontinuous surveillance opportunity groups to search for PDCCH transmissions. Each of the several discontinuous surveillance opportunity groups may include several discontinuous surveillance opportunities associated with a single multi-slot surveillance configuration.

[0013] In another aspect of this disclosure, a non-transient computer-readable medium having non-transient program code recorded thereon is disclosed. This program code is executed by a processor and includes program code for receiving from a network node a message indicating a set of multi-slot monitoring configurations supported by the network node based on the minimum monitoring time periodically being greater than or equal to one time slot associated with the search space. The program code further includes program code for transmitting to the network node a selection message indicating a selection of a single multi-slot monitoring configuration from the set of multi-slot monitoring configurations. The program code also further includes program code for monitoring the search space in several non-coherent monitoring time groups to search for PDCCH transmissions. Each of the several non-coherent monitoring time groups may include several non-coherent monitoring times associated with a single multi-slot monitoring configuration.

[0014] In one aspect of this disclosure, a wireless communication method performed by a network node includes transmitting a message indicating a set of multi-slot monitoring configurations supported by the network node based on a minimum monitoring opportunity periodicity greater than or equal to one time slot associated with a search space. The method further includes receiving a selection message indicating a single multi-slot monitoring configuration from the set of multi-slot monitoring configurations. The single multi-slot monitoring configuration may be associated with the periodicity of monitoring opportunities in each of several non-coherent monitoring opportunity groups. Additionally, each monitoring opportunity group may include several non-coherent monitoring opportunities. The method further includes transmitting control information on a PDCCH in the search space based on receiving the selection message. The control information may be transmitted according to the single multi-slot monitoring configuration.

[0015] Another aspect of this disclosure relates to an apparatus for wireless communication at a UE. The apparatus includes a processor and a memory coupled to the processor and storing instructions that, when executed by the processor, operate to cause the apparatus to: receive from a network node a message indicating a set of multi-slot surveillance configurations supported by the network node, based on the minimum surveillance opportunity periodically being greater than or equal to one slot associated with the search space. Execution of the instructions further causes the apparatus to transmit to the network node a selection message indicating a selection of a single multi-slot surveillance configuration from the set of multi-slot surveillance configurations. Execution of the instructions also causes the apparatus to monitor the search space for PDCCH transmissions in several non-coherent surveillance opportunity groups. Each of these non-coherent surveillance opportunity groups may include several non-coherent surveillance opportunities associated with a single multi-slot surveillance configuration.

[0016] Another aspect of this disclosure relates to an apparatus including means for transmitting a message indicating a set of multi-slot monitoring configurations supported by a network node based on a minimum monitoring time periodicity greater than or equal to one time slot associated with a search space. The apparatus further includes means for receiving a selection message indicating a single multi-slot monitoring configuration from the set of multi-slot monitoring configurations. The single multi-slot monitoring configuration may be associated with the periodicity of monitoring times in each of several non-coherent monitoring time groups. Additionally, each monitoring time group may include several non-coherent monitoring times. The apparatus further includes means for transmitting control information on a PDCCH in the search space based on receiving the selection message. The control information may be transmitted according to the single multi-slot monitoring configuration.

[0017] In another aspect of this disclosure, a non-transient computer-readable medium having non-transient program code recorded thereon is disclosed. This program code is executed by a processor and includes program code for transmitting a message indicating a set of multi-slot monitoring configurations supported by the network node based on a minimum monitoring time periodicity greater than or equal to one time slot associated with the search space. The program code further includes program code for receiving a selection message indicating a single multi-slot monitoring configuration from the multi-slot monitoring configuration set. This single multi-slot monitoring configuration may be associated with the monitoring time periodicity of each of several non-coherent monitoring time groups. Additionally, each monitoring time group may include several non-coherent monitoring times. The program code further includes program code for transmitting control information on the PDCCH in the search space based on receiving the selection message. This control information may be transmitted according to the single multi-slot monitoring configuration.

[0018] Another aspect of this disclosure relates to an apparatus for wireless communication at a network node. The apparatus includes a processor and a memory coupled to the processor and storing instructions that, when executed by the processor, operate the apparatus to: transmit a message indicating a set of multi-slot monitoring configurations supported by the network node based on a minimum monitoring time periodicity greater than or equal to one time slot associated with a search space. The processor is further configured to receive a selection message indicating a single multi-slot monitoring configuration from the set of multi-slot monitoring configurations. This single multi-slot monitoring configuration may be associated with the monitoring time periodicity of each of several non-coherent monitoring time groups. Additionally, each monitoring time group may include several non-coherent monitoring times. The processor is also further configured to transmit control information on a PDCCH in the search space based on receiving the selection message. This control information may be transmitted according to the single multi-slot monitoring configuration.

[0019] Another aspect of this disclosure relates to an apparatus for wireless communication at a UE. The apparatus includes a processor and a memory coupled to the processor and storing instructions that, when executed by the processor, operate to cause the apparatus to: receive from a network node a message indicating a set of multi-slot surveillance configurations supported by the network node, based on the minimum surveillance opportunity periodically being greater than or equal to one slot associated with the search space. Execution of the instructions further causes the apparatus to transmit to the network node a selection message indicating a selection of a single multi-slot surveillance configuration from the set of multi-slot surveillance configurations. Execution of the instructions also causes the apparatus to monitor the search space for PDCCH transmissions in several non-coherent surveillance opportunity groups. Each of these non-coherent surveillance opportunity groups may include several non-coherent surveillance opportunities associated with a single multi-slot surveillance configuration.

[0020] The aspects generally include, as described substantially with reference to the accompanying drawings and description and explained as such, methods, apparatus, systems, computer program products, non-transient computer-readable media, user equipment, base stations, wireless communication devices, and processing systems.

[0021] The foregoing has broadly outlined the features and technical advantages of the examples according to this disclosure in an effort to facilitate a better understanding of the following detailed description. Additional features and advantages will be described. The disclosed concepts and specific examples can be readily used as the basis for modifications or the design of other structures for implementing the same purposes as this disclosure. Such equivalent constructions do not depart from the scope of the appended claims. The characteristics of the disclosed concepts, in both their organization and manner of operation, and their associated advantages, will be better understood by considering the following description in conjunction with the accompanying drawings. Each drawing is provided for illustrative and descriptive purposes and not for defining limitations on the claims. Brief description of the attached diagram

[0023] To gain a more detailed understanding of the features of this disclosure, reference can be made to various aspects, some of which are illustrated in the accompanying drawings. However, it should be noted that the drawings illustrate only certain aspects of this disclosure and should not be considered as limiting its scope, as other equivalent aspects are permissible in this description. Identical reference numerals in different drawings may identify the same or similar elements.

[0024] Figure 1 It is a block diagram that conceptually illustrates examples of wireless communication networks according to various aspects of this disclosure.

[0025] Figure 2 This is a block diagram that conceptually illustrates an example of communication between a base station and a user equipment (UE) in a wireless communication network according to various aspects of this disclosure.

[0026] Figure 3 This is a diagram illustrating the decomposed base station architecture.

[0027] Figure 4A This is a block diagram illustrating an example of processing time within a time slot according to this disclosure.

[0028] Figure 4B This is a block diagram illustrating examples of slot sizes according to various aspects of this disclosure.

[0029] Figure 5 This is a timing diagram illustrating an example of a UE-indicated multi-slot monitoring configuration according to various aspects of this disclosure.

[0030] Figure 6 This is a timing diagram illustrating an example of a UE-indicated multi-slot monitoring configuration according to various aspects of this disclosure.

[0031] Figure 7AThis is a timing diagram illustrating an example of transmitting multiple downlink transmissions in several time slots during a random access response (RAR) window, according to various aspects of this disclosure.

[0032] Figure 7B This is a diagram illustrating examples of monitoring discontinuous time slots in accordance with various aspects of this disclosure.

[0033] Figure 7C This is a diagram illustrating examples of monitoring discontinuous time slot sets in accordance with various aspects of this disclosure.

[0034] Figure 8 This is a block diagram illustrating an example of a wireless communication device configured for multi-slot monitoring in accordance with various aspects of this disclosure.

[0035] Figure 9 This is a flowchart illustrating, for example, an example process performed by a receiving device according to various aspects of this disclosure.

[0036] Figure 10 This is a block diagram illustrating an example of configuring a wireless communication device for searching a space based on a multi-slot monitoring configuration, in accordance with various aspects of this disclosure.

[0037] Figure 11 This is a flowchart illustrating, for example, an example process performed by a transmitting device according to various aspects of this disclosure.

[0038] Detailed description

[0039] The various aspects of this disclosure are described more fully below with reference to the accompanying drawings. However, this disclosure may be implemented in many different forms and should not be construed as being limited to any specific structure or function given throughout this disclosure. For example, any number of the aspects set forth may be used to implement an apparatus or method of practice. Furthermore, the scope of this disclosure is intended to cover such apparatus or methods practiced using additional structures, functionalities, or structures and functionalities that complement or supplement the various aspects of this disclosure set forth. It should be understood that any aspect of this disclosure may be implemented by one or more elements of the claims.

[0040] Several aspects of a telecommunications system will now be presented with reference to various devices and techniques. These devices and techniques will be described in the following detailed description and explained in the accompanying drawings by various blocks, modules, components, circuits, steps, processes, algorithms, etc. (collectively, "elements"). These elements can be implemented using hardware, software, or a combination thereof. Whether such elements are implemented in hardware or software depends on the specific application and the design constraints imposed on the overall system.

[0041] It should be noted that while the aspects may be described using terms commonly associated with 5G and subsequent wireless technologies, the aspects of this disclosure may be applied in communication systems based on other generations, such as and including 3G and 4G technologies.

[0042] As described, in a conventional system, a user equipment (UE) can receive, decode, and process control information during a single time slot of a subframe. In some examples, the control information includes scheduling information indicating that data transmission is not scheduled for the remainder of the time slot. In some such examples, because data transmission is not scheduled for the remainder of the time slot, the UE can enter a micro-sleep state for the remainder of the time slot to conserve power. In other examples, the time slot length may be reduced due to an increase in the subcarrier spacing (SCS). In some such examples, the base station can configure monitoring opportunities in consecutive time slots. In such examples, the UE may not have sufficient time to receive, measure, and decode control information during initial access because the amount of time used for receiving, decoding, and processing downlink transmissions may be greater than or equal to one time slot. Because the UE may not have sufficient time to receive, process, and decode control information, it may not be able to enter a sleep state in one or more time slots within a consecutive time slot, thereby increasing the UE's power consumption. Additionally, the UE may not be able to monitor all monitoring opportunities within a consecutive time slot, which can increase latency and degrade communication quality.

[0043] This disclosure generally relates to wireless communications, and more particularly to techniques and apparatus for selecting a multi-slot surveillance configuration based on the surveillance capabilities of a UE before or during an initial access period (such as a random access period). The multi-slot surveillance configuration may identify the periodicity of a set of discontinuous surveillance opportunities, wherein each slot in a coherent set of slots during the initial access period may include one or more discontinuous surveillance opportunities from the set of discontinuous surveillance opportunities. The coherent set of slots may be associated with a group of surveillance opportunities within a group of discontinuous surveillance opportunities, wherein each group of surveillance opportunities may be associated with a different coherent set of slots. In various examples, the UE receives from a base station a message indicating a set of multi-slot surveillance configurations supported by the base station. This indication may be implicit or explicit. In some examples, the message may be received via, for example, system information or radio resource control (RRC) signaling. In such examples, the UE may select a multi-slot surveillance configuration from a set of multi-slot surveillance configurations based on the UE's surveillance capabilities. The UE may then transmit to the base station an indicator identifying the selected multi-slot surveillance configuration (e.g., a first multi-slot surveillance configuration). In addition, the UE can focus its surveillance search space during non-coherent surveillance times to find the Physical Downlink Control Channel (PDCCH) based on the selected multi-slot surveillance configuration.

[0044] Specific aspects of the subject matter described in this disclosure can be implemented to achieve one or more of the following potential advantages. In some examples, by receiving an indication from the UE of a selected multi-slot surveillance configuration, the base station can configure downlink control channel transmissions during discontinuous surveillance moments within one or more coherent time slots to provide sufficient time for the UE to receive, process, and decode control information during the initial access period. By providing the UE with sufficient time to receive, process, and decode control information during initial access, aspects of this disclosure can reduce UE power consumption, reduce latency, and improve communication reliability, among other advantages. In some examples, the UE can enter a micro-sleep state between discontinuous surveillance moments, thereby reducing UE power consumption.

[0045] Figure 1 This is a diagram illustrating a network 100 in which various aspects of this disclosure can be practiced. Network 100 can be a 5G or NR network or some other wireless network, such as an LTE network. Wireless network 100 may include several BS110s (shown as BS110a, BS110b, BS110c, and BS110d) and other network entities. A BS is an example of a network entity that communicates with a user equipment (UE) and may also be referred to as a base station, NR BS, B-node, gNB, 5G B-node (NB), access point, transmit / receive point (TRP), etc. Each BS may provide communication coverage for a specific geographic area. In 3GPP, the term "cell" may refer to the coverage area of ​​a BS and the BS subsystem serving that coverage area, depending on the context in which the term is used.

[0046] A BS can provide communication coverage for macrocells, picocells, femtocells, and another type of cell. Macrocells cover a relatively large geographic area (e.g., a radius of several kilometers) and allow unrestricted access by UEs with a service subscription. Picocells cover a relatively small geographic area and allow unrestricted access by UEs with a service subscription. Femtocells cover a relatively small geographic area (e.g., a residential area) and allow restricted access by UEs associated with that femtocell (e.g., UEs in a Closed Subscriber Group (CSG)). A BS used for macrocells may be referred to as a macro BS. A BS used for picocells may be referred to as a pico BS. A BS used for femtocells may be referred to as a femto BS or a home BS. Figure 1In the example shown, BS110a can be a macro BS for macro cell 102a, BS110b can be a pico BS for pico cell 102b, and BS110c can be a femto BS for femto cell 102c. A BS can support one or more (e.g., three) cells. The terms “eNB,” “base station,” “NR BS,” “gNB,” “TRP,” “AP,” “B node,” “5G NB,” and “cell” are used interchangeably.

[0047] In some respects, the cell may not be stationary, and the geographical area of ​​the cell may move depending on the location of the mobile BS. In some respects, BSs may interconnect with each other and with one or more other BSs or network nodes (not shown) in the wireless network 100 using any suitable transport network through various types of backhaul interfaces (such as direct physical connections, virtual networks, etc.).

[0048] The wireless network 100 may also include a relay station. A relay station is an entity capable of receiving data transmissions from an upstream station (e.g., a BS or a UE) and transmitting those data transmissions to a downstream station (e.g., a UE or a BS). A relay station can also be a UE capable of relaying transmissions for other UEs. Figure 1 In the example shown, relay station 110d can communicate with macro BS110a and UE 120d to facilitate communication between BS110a and UE 120d. A relay station may also be referred to as a relay BS, relay base station, relay, etc.

[0049] Wireless network 100 can be a heterogeneous network comprising different types of Base Stations (BSs) (e.g., macro BSs, pico BSs, femto BSs, relay BSs, etc.). These different types of BSs may have different transmit power levels, different coverage areas, and different effects on interference in wireless network 100. For example, macro BSs may have high transmit power levels (e.g., 5 to 40 watts), while pico BSs, femto BSs, and relay BSs may have lower transmit power levels (e.g., 0.1 to 2 watts).

[0050] As an example, BS110 (shown as BS110a, BS110b, BS110c, and BS110d) and core network 130 may exchange communication via backhaul link 132 (e.g., S1, etc.). Base station 110 may communicate with each other directly or indirectly (e.g., via core network 130) on other backhaul links (e.g., X2, etc.).

[0051] Core network 130 may be an evolved packet core (EPC), which may include at least one mobility management entity (MME), at least one serving gateway (S-GW), and at least one packet data network (PDN) gateway (P-GW). The MME may be the control node that handles signaling between UE 120 and the EPC. All user IP packets can be transmitted through the S-GW, which itself can connect to the P-GW. The P-GW provides IP address allocation and other functions. The P-GW can connect to the network operator's IP services. The operator's IP services may include the Internet, intranet, IP Multimedia Subsystem (IMS), and packet switching (PS) streaming services.

[0052] Core network 130 provides user authentication, access authorization, tracking, IP connectivity, and other access, routing, or mobility functions. One or more of base stations 110 or access node controllers (ANCs) can interface with core network 130 via backhaul links 132 (e.g., S1, S2, etc.) and can perform radio configuration and scheduling for communication with UE 120. In some configurations, the various functions of each access network entity or base station 110 can be distributed across various network devices (e.g., radio heads and access network controllers) or combined into a single network device (e.g., base station 110).

[0053] UE 120 (e.g., 120a, 120b, 120c) may be distributed throughout the wireless network 100, and each UE may be stationary or mobile. UE may also be referred to as an access terminal, terminal, mobile station, subscriber unit, station, etc. UE may be a cellular phone (e.g., a smartphone), personal digital assistant (PDA), wireless modem, wireless communication device, handheld device, laptop computer, cordless phone, wireless local loop (WLL) station, tablet, camera, gaming device, netbook, smartbook, ultrabook, medical device or equipment, biometric sensor / device, wearable device (smartwatch, smart clothing, smart glasses, smart wristband, smart jewelry (e.g., smart ring, smart bracelet)), entertainment device (e.g., music or video device, or satellite radio), vehicle component or sensor, smart meter / sensor, industrial manufacturing equipment, GPS device, or any other suitable device configured to communicate via wireless or wired media.

[0054] One or more UEs 120 can establish Protocol Data Unit (PDU) sessions for network slicing. In some cases, UE 120 can select network slices based on application or subscription services. By serving different network slices for different applications or subscriptions, UE 120 can improve its resource utilization in the wireless communication system 100 while also meeting the performance specifications of individual applications of UE 120. In some cases, the network slice used by UE 120 may be provided by an AMF (Application-Specific Component) associated with one or both of base station 110 and core network 130. Figure 1 (Not shown in the image) to provide services. Furthermore, session management for network slices can be performed by the Access and Mobility Management Function (AMF).

[0055] UE 120 may include a multi-slot monitoring timing module 140. For simplicity, only one UE 120d is shown as including the multi-slot monitoring timing module 140. The multi-slot monitoring timing module 140 may determine the set of multi-slot monitoring configurations supported by base station 110 from implicit or explicit indications based on the fact that the minimum monitoring timing period of UE 120 in the shared search space (CSS) is greater than one slot. The multi-slot monitoring timing module 140 may also select a first multi-slot monitoring configuration from the set of multi-slot monitoring configurations. The multi-slot monitoring timing module 140 may also cause UE 120 to transmit a first indicator identifying the first multi-slot monitoring configuration to base station 110. The multi-slot monitoring timing module 140 may also cause UE 120 to monitor the CSS in a non-contiguous monitoring timing set to find the PDCCH based on the first multi-slot monitoring configuration.

[0056] Base station 110 may include a multi-slot monitoring timing module 145. For simplicity, only one base station 110a is shown as including the multi-slot monitoring timing module 145. The multi-slot monitoring timing module 145 may receive a first indicator from UE 120, which identifies a first multi-slot monitoring configuration selected from a set of multi-slot monitoring configurations supported by the base station based on the fact that the minimum monitoring timing period of UE 120 in the CSS is greater than one time slot. The first multi-slot monitoring configuration identifies the periodicity of monitoring timings in a non-contiguous set of monitoring timings. The multi-slot monitoring timing module 145 may also enable base station 110 to transmit control information to UE 120 on the PDCCH in the CSS based on the first multi-slot monitoring configuration.

[0057] Some UEs can be considered Machine-Type Communication (MTC) UEs, or evolved or enhanced Machine-Type Communication (eMTC) UEs. MTC and eMTC UEs include, for example, robots, drones, remote devices, sensors, meters, monitors, location tags, etc., which can communicate with a base station, another device (e.g., a remote device), or some other entity. Wireless nodes can provide connectivity to or to a network (e.g., a wide area network such as the Internet) or a cellular network, for example, via wired or wireless communication links. Some UEs can be considered Internet of Things (IoT) devices and can be implemented as NB-IoT (Narrowband Internet of Things) devices. Some UEs can be considered Customer Premises Equipment (CPE). UE 120 can be included inside a housing that houses the components of UE 120, such as processor components, memory components, etc.

[0058] Generally, any number of wireless networks can be deployed in a given geographical area. Each wireless network can support a specific Radio Access Technology (RAT) and can operate on one or more frequencies. A RAT may also be referred to as a radio technology, air interface, etc. A frequency may also be referred to as a carrier, frequency channel, etc. Each frequency can support a single RAT in a given geographical area to avoid interference between wireless networks using different RATs. In some cases, NR or 5G RAT networks can be deployed.

[0059] In some respects, two or more UEs 120 (e.g., shown as UE 120a and UE 120e) may communicate directly using one or more sidelink channels (e.g., without using base station 110 as an intermediary). For example, UE 120 may communicate using peer-to-peer (P2P) communication, device-to-device (D2D) communication, vehicle-to-everything (V2X) protocols (e.g., which may include vehicle-to-vehicle (V2V) protocols, vehicle-to-infrastructure (V2I) protocols, etc.), mesh networks, etc. In this scenario, UE 120 may perform scheduling operations, resource selection operations, and other operations described elsewhere as being performed by base station 110. For example, base station 110 may configure UE 120 via downlink control information (DCI), radio resource control (RRC) signaling, media access control-control element (MAC-CE), or via system information (e.g., system information block (SIB)).

[0060] As indicated above, Figure 1 This is provided merely as an example. Other examples may differ from those provided. Figure 1 The content described.

[0061] Figure 2A block diagram of a design 200 for base station 110 and UE 120 is shown. Base station 110 and UE 120 can be Figure 1 One of the base stations and one of the UEs. Base station 110 may be equipped with T antennas 234a to 234t, and UE 120 may be equipped with R antennas 252a to 252r, wherein generally T≥1 and R≥1.

[0062] At base station 110, transmit processor 220 can receive data destined for one or more UEs from data source 212, select one or more modulation and coding schemes (MCS) for each UE based at least in part on the Channel Quality Indicator (CQI) received from each UE, process (e.g., encode and modulate) the data for each UE based at least in part on the MCS selected for each UE, and provide data symbols for all UEs. Reducing the MCS decreases throughput but improves transmission reliability. Transmit processor 220 can also process system information (e.g., semi-static resource allocation information (SRPI) and control information (e.g., CQI requests, grants, upper-layer signaling, etc.) and provide overhead symbols and control symbols. Transmit processor 220 can also generate reference symbols for reference signals (e.g., cell-specific reference signals (CRS)) and synchronization signals (e.g., primary synchronization signal (PSS) and secondary synchronization signal (SSS)). The transmit (TX) multiple-input multiple-output (MIMO) processor 230 can perform spatial processing (e.g., precoding) on ​​data symbols, control symbols, overhead symbols, and reference symbols, where applicable, and can provide T output symbol streams to T modulators (MODs) 232a to 232t. Each modulator 232 can process its own output symbol stream (e.g., for OFDM, etc.) to obtain an output sample stream. Each modulator 232 can further process (e.g., convert to analog, amplify, filter, and up-convert) the output sample stream to obtain a downlink signal. The T downlink signals from modulators 232a to 232t can be transmitted via T antennas 234a to 234t, respectively. According to the aspects described in more detail below, position coding can be used to generate synchronization signals to convey additional information.

[0063] At UE 120, antennas 252a to 252r can receive downlink signals from base station 110 and other base stations and can provide the received signals to demodulators (DEMODs) 254a to 254r respectively. Each demodulator 254 can condition (e.g., filter, amplify, downconvert, and digitize) the received signal to obtain an input sample. Each demodulator 254 can further process the input sample (e.g., for OFDM, etc.) to obtain received symbols. MIMO detector 256 can obtain the received symbols from all R demodulators 254a to 254r, perform MIMO detection on these received symbols where applicable, and provide detected symbols. Receiver processor 258 can process (e.g., demodulate and decode) these detected symbols, provide the decoded data for UE 120 to data sink 260, and provide the decoded control information and system information to controller / processor 280. The channel processor can determine the Reference Received Power (RSRP), Received Signal Strength Indicator (RSSI), Reference Received Quality (RSRQ), Channel Quality Indicator (CQI), and so on. In some respects, one or more components of the UE 120 may be included in the housing.

[0064] On the uplink, at UE 120, transmit processor 264 can receive and process data from data source 262 and control information from controller / processor 280 (e.g., reports including RSRP, RSSI, RSRQ, CQI, etc.). Transmit processor 264 can also generate reference symbols for one or more reference signals. Symbols from transmit processor 264 can be pre-encoded by TX MIMO processor 266 where applicable, further processed by modulators 254a to 254r (e.g., for DFT-s-OFDM, CP-OFDM, etc.), and transmitted to base station 110. At base station 110, uplink signals from UE 120 and other UEs can be received by antenna 234, processed by demodulator 254, detected by MIMO detector 236 where applicable, and further processed by receive processor 238 to obtain decoded data and control information transmitted by UE 120. The receiver processor 238 can provide decoded data to the data sink 239 and decoded control information to the controller / processor 240. The base station 110 may include a communication unit 244 and communicate with the core network 130 via the communication unit 244. The core network 130 may include a communication unit 294, a controller / processor 290, and a memory 292.

[0065] The controller / processor 240 of base station 110, the controller / processor 280 of UE 120 and Figure 2Any other component may perform one or more techniques associated with the configuration of identifying multi-slot monitoring timing, as described in more detail elsewhere herein. For example, the controller / processor 240 of base station 110, the controller / processor 280 of UE 120, and... Figure 2 Any other component may execute or direct, for example Figure 9 and 11 The process and operation of other processes as described. Memory 242 and 282 can store data and program code for base station 110 and UE 120, respectively. Scheduler 246 can schedule the UE for data transmission on the downlink or uplink.

[0066] Figure 3 A diagram illustrating an example of a decomposed base station 300 architecture is shown. The decomposed base station 300 architecture may include one or more central units (CUs) 310, which may communicate directly with the core network 320 via a backhaul link, or indirectly with the core network 320 via one or more decomposed base station units, such as a near-real-time (Near-RT) RAN Intelligent Controller (RIC) 325 via an E2 link, or a non-real-time (Non-RT) RIC 315 associated with a Service Management and Orchestration (SMO) framework 305, or both. CUs 310 may communicate with one or more distributed units (DUs) 330 via appropriate midhaul links (such as F1 interfaces). DUs 330 may communicate with one or more radio units (RUs) 340 via appropriate fronthaul links. RUs 340 may communicate with corresponding UEs 120 via one or more radio frequency (RF) access links. In some implementations, a UE 120 may be served simultaneously by multiple RUs 340.

[0067] Each of the units (i.e., CU 310, DU 330, RU 340, and near-RT RIC 325, non-RT RIC 315, and SMO frame 305) may include or be coupled to one or more interfaces configured to receive or transmit signals, data, or information (collectively, signals) via wired or wireless transmission media. Each of the units, or an associated processor or controller providing instructions to the communication interfaces of these units, may be configured to communicate with one or more other units via transmission media. For example, these units may include wired interfaces configured to receive or transmit signals to one or more other units over a wired transmission medium. Additionally, these units may include wireless interfaces, which may include receivers, transmitters, or transceivers (such as radio frequency (RF) transceivers) configured to receive or transmit signals to one or more other units over a wireless transmission medium, or both.

[0068] In some aspects, the CU 310 can store one or more higher-level control functions. These control functions may include Radio Resource Control (RRC), Packet Data Convergence Protocol (PDCP), Service Data Adaptation Protocol (SDAP), etc. Each control function can be implemented with an interface configured to communicate signaling with other control functions stored in the CU 310. The CU 310 can be configured to handle user plane functionality (i.e., Central Unit-User Plane (CU-UP)), control plane functionality (i.e., Central Unit-Control Plane (CU-CP)), or a combination thereof. In some implementations, the CU 310 can be logically split into one or more CU-UP units and one or more CU-CP units. When implemented in an O-RAN configuration, the CU-UP units can communicate bidirectionally with the CU-CP units via an interface (such as an E1 interface). The CU 310 can be implemented to communicate with the DU 330 for network control and signaling as needed.

[0069] DU 330 may correspond to a logical unit that includes one or more base station functions to control the operation of one or more RU 340s. In some aspects, DU 330 may, at least in part, store one or more of the Radio Link Control (RLC) layer, Media Access Control (MAC) layer, and one or more high physical (PHY) layers (such as modules for forward error correction (FEC) encoding and decoding, scrambling, modulation and demodulation, etc.) depending on functional partitioning (such as functional partitioning defined by the 3rd Generation Partnership Project (3GPP). In some aspects, DU 330 may further store one or more low PHY layers. Each layer (or module) may be implemented with an interface configured to communicate signals with other layers (and modules) stored by DU 330 or with control functions stored by CU 310.

[0070] Lower-layer functionality can be implemented by one or more RU 340s. In some deployments, RU340s controlled by DU 330s can correspond at least partially to main memory RF processing functions or low PHY layer functions (such as performing Fast Fourier Transform (FFT), Inverse FFT (iFFT), digital beamforming, Physical Random Access Channel (PRACH) extraction and filtering, or both, based on functional partitioning (such as lower-layer functional partitioning). In such architectures, RU 340s can be implemented to handle over-the-air (OTA) communication with one or more UE 120s. In some implementations, the real-time and non-real-time aspects of control and user plane communication with RU 340s can be controlled by the corresponding DU 330. In some scenarios, this configuration allows DU 330s and CU 310s to be implemented in cloud-based RAN architectures (such as vRAN architectures).

[0071] The SMO framework 305 can be configured to support RAN deployment and provisioning of both non-virtualized and virtualized network elements. For non-virtualized network elements, the SMO framework 305 can be configured to support the deployment of dedicated physical resources for RAN coverage requirements, which can be managed via operation and maintenance interfaces such as the O1 interface. For virtualized network elements, the SMO framework 305 can be configured to interact with a cloud computing platform such as the Open Cloud (O-Cloud) 390 to perform network element lifecycle management (such as instantiating virtualized network elements) via a cloud computing platform interface such as the O2 interface. Such virtualized network elements may include, but are not limited to, CU 310, DU 330, RU 440, and near-RT RIC 325. In some implementations, the SMO framework 305 can communicate with the hardware aspects of the 4G RAN (such as the Open eNB (O-eNB) X11) via the O1 interface. Additionally, in some implementations, the SMO framework 305 can communicate directly with one or more RU 340s via the O1 interface. SMO framework 305 may also include a non-RT RIC 315 configured to support the functionality of SMO framework 305.

[0072] The non-RT RIC 315 can be configured to include logical functions that enable near real-time control and optimization of RAN elements and resources, including AI / ML workflows for model training and updates, or policy-guided controls and optimizations of applications / features in the near-RT RIC 325. The non-RT RIC 315 can be coupled to or communicate with the near-RT RIC 325 (e.g., via an A1 interface). The near-RT RIC 325 can be configured to include logical functions that enable near real-time control and optimization of RAN elements and resources through data collection and actions via an interface (e.g., via an E2 interface) connecting one or more CU 310s, one or more DU 330s, or both, and O-eNBs to the near-RT RIC 325.

[0073] In some implementations, to generate AI / ML models to be deployed in the near-RT RIC 325, the non-RT RIC 315 can receive parameters or external enrichment information from an external server. This information can be utilized by the near-RT RIC 325 and can be received from non-network data sources or network functions at the SMO framework 305 or the non-RT RIC 315. In some examples, the non-RT RIC 315 or near-RT RIC 325 can be configured to tune RAN behavior or performance. For example, the non-RT RIC 315 can monitor long-term trends and patterns in performance and employ AI / ML models to perform corrective actions via the SMO framework 305 (such as reconfiguration via O1) or via the creation of RAN management policies (such as A1 policies).

[0074] As previously discussed, in a conventional system, a UE can receive, decode, and process control information within a single time slot of a subframe. In some examples, the control information includes scheduling information indicating that data transmission is not scheduled for the remainder of the time slot. In some such examples, because data transmission is not scheduled for the remainder of the time slot, the UE can enter a micro-sleep state for the remainder of the time slot to conserve power. In other examples, the time slot length may decrease due to an increase in the SCS. In some such examples, the base station can configure monitoring opportunities within consecutive time slots. In such examples, the UE may not have sufficient time to receive, process, and decode control information during initial access because the amount of time allocated for receiving, decoding, and processing downlink transmissions may be greater than or equal to one time slot. Because the UE may not have sufficient time to receive, process, and decode control information, it may not be able to enter a sleep state between consecutive time slots, thereby increasing the UE's power consumption. Additionally, the UE may not be able to monitor all monitoring opportunities within a consecutive time slot, which can increase latency and degrade communication quality.

[0075] This disclosure generally relates to wireless communications, and more particularly to techniques and apparatus for selecting a multi-slot surveillance configuration based on the surveillance capabilities of a UE before or during an initial access period (such as a random access period). The multi-slot surveillance configuration may identify the periodicity of a set of discontinuous surveillance opportunities, wherein each surveillance opportunity in the discontinuous surveillance opportunity set occurs in a corresponding time slot within a time slot set during the initial access period. In various examples, the UE receives from a base station a message indicating a set of multi-slot surveillance configurations supported by the base station. This indication may be implicit or explicit. In some examples, the message may be received via, for example, system information or RRC signaling. In such examples, the UE may select a multi-slot surveillance configuration from the set of multi-slot surveillance configurations based on the UE's surveillance capabilities. The UE may then transmit an indicator identifying the selected multi-slot surveillance configuration to the base station. Furthermore, the UE may monitor a search space (such as a shared search space (CSS) or a UE-specific search space (USS)) within the discontinuous surveillance opportunity set to search for a PDCCH according to the selected multi-slot surveillance configuration.

[0076] Figure 4A This is a block diagram illustrating example 400 of the processing time within a time slot according to this disclosure. (See example 400.) Figure 4A As shown, base station 110 (not shown) can transmit control information (such as scheduling information) on a control channel (such as the PDCCH associated with the control resource set (CORESET)) during a time period 402 within a time slot. This time slot can refer to a portion of a subframe, which can be part of a radio frame within an LTE, 5G, or other wireless communication architecture. In some aspects, a time slot may include one or more symbols, such as OFDM symbols. In Example 400 of Figure 4, the time slot includes fourteen symbols.

[0077] Additionally, in Figure 4A In the example, UE 120 (not shown) may receive, decode, and process control information during time slot 404. In some examples, the processed control information indicates that data transmission (such as Physical Downlink Shared Channel (PDSCH) transmission) is not scheduled for the remainder of that time slot (e.g., time slot 406). Therefore, during time slot 406, UE 120 may enter a micro-sleep state to conserve power after determining that data transmission is not scheduled for the remainder of time slot 406. During the micro-sleep state, one or more components of UE 120 (such as antenna, demodulator, processor, or other hardware components) may be temporarily turned off or idle to reduce power consumption.

[0078] Generally, in multiplexing mode 1, UE 120 can monitor one monitoring opportunity per time slot in two or more consecutive time slots. For example, UE 120 can monitor a set of monitoring opportunities that includes monitoring opportunities in consecutive time slots to look for control information associated with SIB messages. In multiplexing modes 2 and 3, UE 120 can monitor a set of monitoring opportunities that repeat periodically with the periodicity of the associated SSBs within a Synchronization Signal Block (SSB) burst set to look for control information associated with SIB messages. Since the periodicity of SSBs within an SSB burst set is often short, UE 120 generally monitors a set of monitoring opportunities that includes monitoring opportunities in consecutive time slots. For other search spaces (such as type 0 APDCCH CSS associated with additional SIB messages, type 1 PDCCH CSS associated with random access response (RAR), or type 2 PDCCH CSS associated with paging opportunities), the base station can instruct UE 120 to monitor a similar set of monitoring opportunities that includes monitoring opportunities in consecutive time slots. In some examples, the base station can instruct the UE 120 to monitor a similar set of monitoring opportunities by setting one or more of the SearchSpaceId, ra-SearchSpace, or pagingSearchSpace used for searchSpaceOtherSystemInformation in PDCCH-ConfigCommon as defined in the 3GPP specification to zero.

[0079] In some examples, phase noise may increase when higher frequencies (such as those between 52.6 GHz and 114.25 GHz) are used for wireless communication between UE 120 and base station 110. For ease of explanation, the frequency range with carrier frequencies above 52.6 GHz can be referred to as the high-frequency range or frequency range 4 (FR4). In some examples, the phase noise experienced in FR4 may be greater than the phase noise experienced in frequency range 2 (FR2). In some such examples, the wireless network can increase the SCS to reduce the impact of phase noise. For example, FR2 can use an SCS between 60 kHz and 120 kHz, while higher frequencies can use an SCS between 240 kHz and 1.92 MHz. The duration of each slot in a subframe can be reduced based on the increased SCS.

[0080] Figure 4B This is a block diagram illustrating examples of slot sizes according to various aspects of this disclosure. (As in...) Figure 4B As shown in the example, the length of slot 412 in FR2 with a 120kHz SCS can be approximately 125μs. Additionally, as... Figure 4BAs shown, the length of time slot 414 at higher frequencies (such as FR4) with a 960kHz SCS can be approximately 15.6μs. Therefore, FR2 time slot 412 can be approximately eight times longer than FR4 time slot 404. Consequently, because FR4 time slot 414 has a shorter duration, the amount of time used for receiving, decoding, and processing downlink transmissions can be greater than or equal to the duration of FR4 time slot 414. Therefore, in some examples, UE 120 may not be able to enter a micro-sleep state, as described above. Figure 4A As described above. In some such examples, UE 120 may consume more power. In some examples, a longer SCS may cause UE 120 to use multiple time slots to receive, decode, and process information from the base station. As a result, UE 120 and base station 110 may experience increased latency and reduced communication quality because UE 120 may not be able to monitor all configured monitoring opportunities. In such examples, configuring monitoring opportunities in two or more non-contiguous time slots may be desirable. That is, each monitoring opportunity may be once every M time slots, where M is greater than 1. In contrast, monitoring opportunities in conventional systems may be in two or more consecutive time slots. In this disclosure, for ease of explanation, multi-time slot monitoring configuration may refer to configuring monitoring opportunities in two or more non-contiguous time slots.

[0081] In some examples, a multi-slot surveillance configuration can be applied to the UE search space (USS). In such an example, UE 120 can indicate the multi-slot surveillance configuration during connection establishment. Base station 110 can configure control channel transmission in the USS based on the multi-slot surveillance configuration reported by UE 120.

[0082] In some examples, UE 120 and base station 110 may experience increased latency and reduced communication quality because UE 120 may be unable to monitor two or more coherent monitoring opportunities during one or both of idle mode operation or initial network access, based on a higher SCS (such as 480kHz SCS or 960kHz SCS) applied to the initial BWP. In some aspects, a multi-slot-based monitoring configuration can be applied to the CSS during one or both of idle mode operation or initial network access to reduce latency and improve communication reliability. In some examples, the base station may not be aware of UE 120's ability to support non-coherent monitoring opportunities before initial access or idle / inactive mode operation. Therefore, it may be desirable for UE 120 to provide the base station with an early indication of the supported multi-slot monitoring configuration. The supported multi-slot monitoring configuration can indicate UE 120's ability to support non-coherent monitoring opportunities. This early indication may be an example of an indication transmitted before initial access or before idle mode operation. Some aspects of this disclosure relate to UE 120 providing an early indication of its multi-slot monitoring configuration. Some other aspects of this disclosure relate to CSS reconfiguration for supporting multi-slot monitoring configurations for UEs.

[0083] In some examples, for backward compatibility, the Monitoring Occurrence (MO) can be defined over two or more consecutive time slots, regardless of the length of the SCS. In such examples, the MO can monitor one or more of type 0 PDCCH CSS, type 0A PDCCH CSS, type 1 PDCCH CSS, or type 2 PDCCH CSS during one or both of idle mode operation or initial network access.

[0084] Figure 5 This is a timing diagram illustrating Example 500 of a UE-indicated multi-slot monitoring configuration according to various aspects of this disclosure. (See example 500.) Figure 5As shown, at time t1, UE 120 determines the set of multi-slot surveillance configurations supported by the base station for early indication. This set of multi-slot surveillance configurations may be determined based on implicit or explicit indications received from base station 110. Implicit indications may include one or more of the frequency bands used for wireless communication between UE 120 and base station 110 or the SCSs configured for wireless communication between UE 120 and base station 110, and explicit indications may include messages received from the base station via system information (such as SIBs) or control signaling (such as RRC signaling). Additionally or alternatively, the multi-slot surveillance configuration set may be pre-configured at UE 120. Each multi-slot surveillance configuration may be periodically associated with different corresponding surveillance timings for monitoring the PDCCH in a search space such as a CSS. In some examples, based on a 480kHz SCS used for the initial BWP, the multi-slot surveillance configuration set may include a two-slot surveillance configuration (e.g., M=2) or a four-slot surveillance configuration (e.g., M=4). In some other examples, based on the 960kHz SCS used for the initial BWP, the multi-slot surveillance configuration set may include a four-slot surveillance configuration (e.g., M=4) or an eight-slot surveillance configuration (e.g., M=8). The multi-slot surveillance configuration set may be indicated via system information messages (such as SIB1 messages) or RRC signaling (such as RRC reconfiguration messages or RRC release messages). Base station 110 may indicate this multi-slot surveillance configuration set based on the UE's minimum surveillance periodicity being greater than one slot. As described, the UE's minimum surveillance periodicity may be greater than one slot in FR4 when the wireless communication between UE 120 and base station 110 is in a high SCS (e.g., the SCS may be 480kHz or 960kHz).

[0085] exist Figure 5 In the example, at time t2, UE 120 can select a multi-slot monitoring configuration from the multi-slot monitoring configuration set determined at time t1. Additionally, as... Figure 5As shown, at time t3, UE 120 may transmit an indicator (e.g., a first indicator) identifying the selected multi-slot surveillance configuration based on the multi-slot surveillance configuration selected at time t2. In some aspects, the indicator may be transmitted during the random access procedure. In these aspects, the indicator may be implicitly indicated via Msg1 preamble transmission (e.g., two-step random access procedure) or MsgA preamble transmission (e.g., four-step random access procedure). In some such aspects, one or more RACH resources (such as RACH timing or a subset of preambles) may be associated with different corresponding multi-slot surveillance configurations in the multi-slot surveillance configuration set. In such aspects, UE 120 may indicate the selected multi-slot surveillance configuration based on the RACH resources used for preamble transmission. The association between each RACH resource and the corresponding multi-slot surveillance configuration in the multi-slot surveillance configuration set may be indicated via system information (such as SIB1) or RRC signaling. In some other aspects, the indicator may be included in the payload of a data message transmitted during the random access procedure. In this respect, data messages can be either Msg3 Physical Uplink Shared Channel (PUSCH) transmissions or MsgA PUSCH transmissions.

[0086] In addition, such as Figure 5As shown, at time t4, UE 120 can monitor the search space (such as CSS) for downlink control channel transmissions during a monitoring period configured based on a selected multi-slot monitoring configuration. As described, the monitoring period can be in two or more discontinuous slots. The monitoring period configured based on the selected multi-slot monitoring configuration can be specified for the initial access period. In some aspects, when the selected multi-slot monitoring configuration is implicitly indicated via RACH resources, UE 120 can monitor the Msg2 PDCCH transmission once every M slots based on a first multi-slot monitoring configuration. That is, during the RAR window, the first multi-slot monitoring configuration can be specified for type 1 PDCCH CSS monitoring. In such aspects, the selected multi-slot monitoring configuration can be specified for other CSSs, such as type 0A PDCCH CSS monitoring or type 2 PDCCH CSS monitoring. Additionally, in such aspects, UE 120 can monitor one or more of the PDCCH transmissions scheduled for Msg3 retransmission, Msg4 PDCCH transmissions, or other initial access transmissions. In some of these aspects, the offset of the initial monitoring timing in the monitoring timing configured based on the selected multi-slot monitoring configuration can be implicitly associated with the RACH resource used to implicitly indicate the selected multi-slot monitoring. In other such aspects, the offset of the initial monitoring timing can be a Random Access Radio Network Temporary Identifier (RA-RNTI), a Message B Radio Network Temporary Identifier (MSGB-RNTI) value, or indicated by the base station via system information. This offset indicates the initial monitoring timing relative to a reference time (such as a system frame number) in the time slot. In other aspects, when the selected multi-slot monitoring configuration is indicated via the PUSCH payload, UE 120 can monitor a Msg4 PDCCH transmission or a MsgB PDCCH transmission once every M time slots based on the selected multi-slot monitoring configuration. In some of these aspects, UE 120 can monitor other PDCCH transmissions following a Msg4 or MsgB PDCCH transmission based on the selected multi-slot monitoring. In some of these aspects, the offset of the initial monitoring timing can be implicitly determined by the Random Access Channel (RACH) timing (RO) or the RA-RNTI. In other such respects, the offset of the initial monitoring timing can be explicitly indicated by the UE 120 in the PUSCH payload. In yet another such respect, the offset of the initial monitoring timing can be indicated by the base station.

[0087] In some aspects, at time t5, the base station may transmit control information via one or more downlink control channels based on the selected multi-slot monitoring configuration. At time t6, the UE 120 may receive the control information based on monitoring. Additionally, in some aspects, at time t7, during initial access, the UE 120 may transmit another indicator (e.g., a second indicator) identifying another multi-slot monitoring configuration (e.g., a second multi-slot monitoring configuration). The UE 120 may report the second configuration via a UE capability report, which can be used by the UE 120 to report one or more preferred multi-slot configurations. The base station may configure the PDCCH monitoring timing based on the one or more preferred multi-slot configurations during connected mode operation.

[0088] During initial access, the set of multi-slot configurations supported by base station 110 may be limited due to the limited system information payload. In some examples, during initial access, base station 110 may be limited to supporting four-slot and eight-slot configurations. In such examples, the first multi-slot monitoring configuration indicated by UE 120 may be a four-slot or eight-slot configuration. Additionally, during connected mode operation, base station 110 may support two, four, eight, and sixteen-slot configurations. In such examples, the second multi-slot monitoring configuration indicated by UE 120 may be one or more of two, four, eight, and sixteen-slot configurations. Therefore, in some examples, the second multi-slot monitoring configuration may differ from the transmitted first multi-slot monitoring configuration.

[0089] Figure 6 This is a timing diagram illustrating Example 600 of a UE-indicated multi-slot monitoring configuration according to various aspects of this disclosure. Figure 6 An example could be based on a four-step random access process. For example... Figure 6 As shown, at time t1, UE 120 determines the multi-slot monitoring configuration set supported by base station 110 for early indication. This multi-slot monitoring configuration set can be determined based on implicit or explicit indications, as referenced... Figure 5 Described. Each multi-slot monitoring configuration can be periodically associated with different corresponding monitoring times for monitoring the PDCCH in the CSS. Figure 6 In the example, at time t2, UE 120 can select the first multi-slot monitoring configuration from the multi-slot monitoring configuration set determined at time t1.

[0090] like Figure 6As shown, at time t3, UE 120 can monitor the search space for PDCCH during the RAR window based on the first multi-slot monitoring configuration. That is, UE 120 can monitor the search space (such as CSS or USS) once every M slots, where M can be based on the first multi-slot monitoring configuration. In some examples, if base station 110 supports two-slot multi-slot monitoring configuration and four-slot multi-slot monitoring configuration, the value of M can be equal to two or four. In some aspects, at time t4, the base station performs multiple Msg2 PDCCH transmissions and PDSCH transmissions in several slots (e.g., N slots) during the RAR window. The number of slots N can be based on max i {M i}-1 to determine, where M i This indicates one or more multi-slot monitoring configurations supported by base station 110. In such an example, if base station 110 supports both a two-slot multi-slot monitoring configuration and a four-slot multi-slot monitoring configuration, then M... i The values ​​are equal to two and four, such that N = max{2,4} - 1 = 3. In this respect, each of the multiple PDSCH transmissions corresponds to a single corresponding PDCCH transmission in the multiple PDCCH transmissions. Additionally, in this respect, each of the multiple PDSCH transmissions includes a different corresponding PUSCH uplink grant (e.g., RAR uplink grant). PDSCH can be an example of RAR.

[0091] At time t5, UE 120 may receive PDCCH transmissions based on monitoring. At time t6, UE 120 may perform PUSCH transmissions (e.g., Msg3 PUSCH transmissions) based on PUSCH permissions included in the PDSCH transmissions corresponding to the PDCCH transmissions received at time t5. In some aspects, at time t7, base station 110 identifies the first multi-slot monitoring configuration selected by UE 120 based on the PUSCH resources (e.g., Msg3 resources) of the PUSCH transmissions received at time t6.

[0092] In this respect, at time t8, UE 120 may continue to monitor the search space for PDCCH transmissions based on a first multi-slot monitoring configuration. In some examples, UE 120 may monitor a Msg4 PDCCH transmission or a MsgB PDCCH transmission every M time slots based on the first multi-slot monitoring configuration. In some such respects, UE 120 may monitor other PDCCH transmissions following the Msg4 or MsgB PDCCH transmission based on the first multi-slot monitoring. In some such respects, the offset of the initial monitoring timing may be implicitly determined by RO or RA-RNTI. In other such respects, the offset of the initial monitoring timing may be explicitly indicated by UE 120 in the PUSCH payload. In still other such respects, the offset of the initial monitoring timing may be indicated by base station 110.

[0093] Figure 7A This is a timing diagram illustrating example 700 of transmitting multiple downlink transmissions in several time slots during a RAR window, according to various aspects of this disclosure. Figure 7A In the example, each UE 120 can be an example of UE 120 and base station 110 can be an example of base station 110, as shown in the reference. Figure 1 Described. For example... Figure 7A As shown, base station 110 transmits multiple PDCCHs 702a, 702b, and 702c, and PDSCHs 704a, 704b, and 704c in several time slots (e.g., N time slots) during the RAR window. (See reference...) Figure 6 The number of time slots N described can be based on max i {M i}-1 to determine, where M i This indicates one or more multi-timeslot monitoring configurations supported by base station 110.

[0094] In this respect, each PDSCH 704a, 704b, and 704c corresponds to a single corresponding PDCCH 702a, 702b, and 702c. Figure 7A In the example, the first downlink transmission set (e.g., the first PDCCH 702a and the first PDSCH 704a) can be transmitted at time slot n, the second downlink transmission set can be transmitted at time slot n+1, and the third downlink transmission set can be transmitted at time slot n+2. Additionally, in this respect, each PDSCH 704a, 704b, and 704c includes different corresponding PUSCH uplink grants 706a, 706b, and 706c (e.g., RAR uplink grants). Figure 7AIn the example, the first PDSCH 704a includes a first PUSCH uplink permission 706a for uplink transmission (e.g., Msg3 PUSCH) at time slot n+K2, the second PDSCH 704b includes a second PUSCH uplink permission 706b for uplink transmission at time slot n+K2+1, and the third PDSCH 704c includes a third PUSCH uplink permission 706c for uplink transmission at time slot k+K2+2.

[0095] exist Figure 7A In the example, the first UE 120a can be configured with per-slot PDCCH monitoring. That is, for the first UE 120a, monitoring timing 708 can be configured for each of several consecutive time slots. In this example, the first UE 120a can receive the first PDCCH 702a at time slot n because the monitoring timing 708 of the first UE 120a corresponds to the transmission of the first PDCCH 702a. Additionally, the first UE 120a can perform PUSCH transmission 712 at time slot n+K2 based on the first PUSCH uplink permission 706a included in the first PDSCH 704a. Finally, for the first UE 120a, the offset of the initial monitoring timing 708 can be zero because there are zero time slots between the initial monitoring timing 708 and the reference time 750. In some examples, the reference time 750 can be the system frame number (SFN).

[0096] Additionally, in Figure 7A In the example, the second UE 120b can be configured for multi-slot PDCCH monitoring, allowing the monitoring times 710a, 710b, 710c, and 710d of the second UE 120 to be configured for non-contiguous time slots. Figure 7A In the example, the monitoring times 710a, 710b, 710c, and 710d of the second UE can occur once every two time slots. In such an example, the second UE can receive the second PDCCH 702b at time slot n+1 because the second monitoring time slot 710b corresponds to the transmission of the second PDCCH 702b. Additionally, the second UE 120b can perform a PUSCH transmission 714 at time slot n+K2+1 based on the second PUSCH uplink permission 706b included in the second PDSCH 704b. Finally, for the second UE 120b, since there are zero time slots between the initial monitoring time 710a and the reference time 750, the offset of the initial monitoring time 710a can be zero.

[0097] In addition, Figure 7AIn the example, the third UE 120c can be configured for multi-slot PDCCH monitoring, allowing the monitoring times 716a and 716b of the third UE 120c to be configured for non-contiguous time slots. Figure 7A In the example, the monitoring opportunities 716a and 716b of the third UE 120c can occur once every four time slots. In such an example, the third UE 120c can receive the third PDCCH 702c at time slot n+2 because the monitoring opportunity 716a corresponds to the transmission of the third PDCCH 702c. Additionally, the third UE 120c can perform a PUSCH transmission 718 at time slot n+K2+2 based on the third PUSCH uplink permission 706c included in the third PDSCH 704c. Finally, for the third UE 120c, since there are three time slots between the initial monitoring opportunity 716a and the reference time 750, the offset of the initial monitoring opportunity 716a can be three.

[0098] Figure 7B This is a diagram illustrating example 760 associated with monitoring discontinuous time slots according to this disclosure. Figure 7B In Example 760, base station 110 can transmit and UE 120 can receive broadcast messages (e.g., Master Information Block (MIB) messages) that include configurations (e.g., pdcch-ConfigSIB1 data structures as defined in 3GPP specifications and / or another standard) associated with a set of monitoring opportunities for additional messages (e.g., scheduling information associated with SIB messages).

[0099] In some respects, one or more bits of a broadcast message may instruct UE 120 to use a monitoring timing in a non-coherent timeslot to receive additional messages. For example, pdcch-ConfigSIB1 or another similar data structure may include additional bits that instruct UE 120 to use a monitoring timing in a non-coherent timeslot when set to "1" or "TRUE". Additionally or alternatively, a broadcast message may include a single bit (e.g., monitoringConfig or another variable as defined in 3GPP specifications and / or another standard) instructing UE 120 to use a monitoring timing in a non-coherent timeslot.

[0100] Additionally or alternatively, UE 120 may use one or more attributes associated with and / or indicated in the broadcast message to determine whether to use a monitoring opportunity in a non-coherent timeslot. For example, 3GPP specifications and / or another standard may define rules using one or more of the following: SCS (e.g., an SCS associated with an SSB and indicated in subCarrierSpacingCommon as defined in 3GPP specifications and / or another standard, and / or an SCS associated with a PDCCH and indicated in pdcch-ConfigSIB1 as defined in 3GPP specifications and / or another standard), frequency (e.g., the band in which the SSB is transmitted), and / or bandwidth (e.g., the minimum and / or maximum transmission bandwidth as defined in 3GPP Technical Specification (TS) 38.101-1 and / or another standard), which UE 120 may use to determine whether to use a monitoring opportunity in a non-coherent timeslot. Table 1 below shows an example, where “legacy” refers to a monitoring opportunity that includes coherent timeslots:

[0101]

[0102]

[0103] Table 1

[0104] In some respects, broadcast messages may indicate periodicity (e.g., denoted by M) and offset (e.g., denoted by O) associated with a set of monitoring times. For example, a broadcast message may include one or more bits (e.g., four least significant bits (LSBs)) encoding an index associated with a table (e.g., included in 3GPP TS 38.213 and / or another standard) that indicates periodicity and offset.

[0105] Accordingly, UE 120 can monitor in the initial time slot (e.g., in Figure 7B The set of monitoring opportunities begins at (denoted by n0 in Example 760), and this initial time slot is based at least in part on the number of time slots per radio frame (e.g., by...). The initial slot n0 can be determined at least in part based on Equation 1 below.

[0106]

[0107] Where μ is at least partially based on For example, μ can be based at least in part on a table (e.g., Table 4.3.2-1 in 3GPP TS38.211 and / or another standard), an example of which is shown below:

[0108]

[0109] Table 2

[0110] Additionally, such as Figure 7B As shown, the monitoring timing set can be included in a non-coherent time slot pattern that repeats according to a periodicity M (e.g., initial time slot n0 and non-coherent time slot n0+N). Figure 7B In Example 760, MOs 762a and 762b are included in non-coherent time slots n0 and n0+N and are associated with a pattern that repeats according to periodicity M. Additionally, in Figure 7B In Example 760, MOs 764a and 764b are also included in non-coherent time slots n0 and n0+N and are associated with a pattern that repeats according to periodicity M. As described above, periodicity M can be determined at least in part based on an index included in the broadcast message using a table (e.g., included in 3GPP TS 38.213 and / or another standard). In some aspects, the table may include extensions to Table 13-11 or Table 13-12 in TS 38.213 and / or another standard, such as the examples shown below:

[0111]

[0112] Table 3

[0113] Accordingly, base station 110 can use additional bits in the broadcast message to extend the index associated with periodicity (e.g., represented by M) and offset (e.g., represented by O) from 16 to 32.

[0114] As an alternative, the table may include new tables from TS38.213 and / or another standard, such as the example shown below:

[0115]

[0116]

[0117] Table 4

[0118] Accordingly, base station 110 can use additional bits in the broadcast message to instruct UE 120 to use a new table instead of an existing table (e.g., Table 13-11 or Table 13-12 in TS38.213 and / or another standard). Although Figure 7B Example 760 includes two monitoring opportunities in one time slot (e.g., MO 762a and 762b are associated with SSBs with even indices, while MO 764a and 764b are associated with SSBs with odd indices), but other examples include one monitoring opportunity in one time slot.

[0119] exist Figure 7B In Example 760, N can represent the interval associated with the pattern. In some respects, N can be indicated in a broadcast message. For example, N can be equal to periodicity M, where base station 110 and / or 3GPP specifications select M such that UE 120 has sufficient processing time for control information transmitted during at least one monitoring time in the monitoring time set.

[0120] Additionally or alternatively, N may be based at least in part on the number of SSB indices (e.g., by L). max The number of SSBs per time slot (e.g., denoted by K), or a combination thereof, is selected. In some respects, L max It can be pre-configured (e.g., according to 3GPP specifications and / or another standard). Alternatively, base station 110 can indicate L to UE 120 at least in part based on how many SSBs base station 110 is configured to transmit. max Additionally, as described above, K can be equal to 1 or 2, depending at least in part on whether a time slot includes two surveillance events (e.g., associated with two SSBs) or one surveillance event (e.g., associated with one SSB). Thus, in one example, UE 120 can be at least in part based on L. max / K is used to select N so that base station 110 can transmit control information associated with other SSBs in the interim time slot before UE 120 monitors control information again. In some aspects, UE 120 can select N as M or L. max The maximum value in / K. For example, in some cases, base station 110 can be configured with a larger periodicity (e.g., by indicating a periodicity greater than L in the broadcast message). max / K's M and / or by selecting from (as described above) values ​​greater than L max / K's M-related index).

[0121] In some respects, base station 110 can multiplex at least some control information associated with different SSBs in the frequency and / or space, so that UE 120 can select less than L max / K of N. In one example, base station 110 can reuse control information associated with each pair of SSBs so that UE 120 can at least partially rely on L max / 2K is used to select N. Correspondingly, UE 120 can select N as M or L. max The maximum value in / K.

[0122] By using combination Figure 7BAccording to the described technique, UE 120 can monitor non-coherent sets of monitoring opportunities across time slots. For example, base station 110 can configure the set of monitoring opportunities using broadcast messages associated with initial access. Additionally or alternatively, UE 120 can determine which set of monitoring opportunities to use based on stored rules (e.g., according to 3GPP specifications and / or another standard). As a result, UE 120 and base station 110 can experience improved latency and enhanced communication quality or reliability because UE 120 is able to monitor all configured monitoring opportunities. Additionally, UE 120 can save power by using microsleep in at least a portion of at least some time slots.

[0123] exist Figure 7B In Example 760, the pattern of non-coherent time slots (e.g., initial time slot n0 and non-coherent time slot n0+N) includes a set of monitoring times. In some other examples, the pattern of non-coherent monitoring time groups can be specified. In such examples, each monitoring time group from two or more non-coherent monitoring time groups may include coherent time slots. Additionally, in such examples, each monitoring time from a non-coherent monitoring time group may be included in a single time slot within the coherent time slots of each monitoring time group. Several time slots may be defined between each time slot including a corresponding monitoring time from a non-coherent monitoring time group. In some examples, the number of time slots between each time slot may be two, four, or eight. Figure 7C This is a diagram illustrating example 770 associated with monitoring a set of discontinuous time slots according to this disclosure. Figure 7C In Example 770, base station 110 can transmit and UE 120 can receive broadcast messages (e.g., MIB messages) that include configurations (e.g., pdcch-ConfigSIB1 data structures as defined in 3GPP specifications and / or another standard) associated with a set of monitoring opportunities for additional messages (e.g., scheduling information associated with SIB messages).

[0124] exist Figure 7C In Example 770, each set of time slots may be referred to as an MO group. Each MO group may include multiple coherent time slots. In some examples, such as... Figure 7C As shown, the first MO group may include time slots {n0,n0+1,...,n0+(N)}. rep -1)} and the second MO group may include time slots {n0+N,n0+N+1,...,n0+N+(N rep -1)}. In some examples, the UE can monitor one or more time slots within each MO group. In Figure 7C In Example 770, time slot n0 may represent the initial time slot, N may represent the interval associated with the mode of the non-coherent MO group, and N repThis can represent a repeatability factor used to indicate the number of time slots in each MO group (e.g., Figure 7C The time slots of the first MO group include the initial time slot n0 to the final time slot n0+(N). rep -1)). For example Figure 7C As shown in Example 770, the monitoring timing set can be included in coherent time slots (e.g., {n0, n0+1, ..., n0+(N)} for each MO group). rep -1)}). In some such examples, even MOs 762a and 762b are included in the coherent time slots n0 and n0+N of the first MO group. Additionally, as Figure 7C As shown, odd MOs 764a and 764b are also included in the coherent time slots n0 and n0+N of the first MO group. For ease of interpretation, in Figure 7C The MO is identified by the first two consecutive slots n0 and n0+1. The MO is not limited to the first two consecutive slots n0 and n0+1 of the first MO group. Other slots in each MO group also include even and odd MOs.

[0125] In some implementations, broadcast messages can indicate the repetition factor N. rep And periodicity M. In some other implementations, the repetition factor N rep It can be implicitly determined based on one or more other parameters. Additionally, in some implementations, the index of the initial slot n0 can be determined as:

[0126]

[0127] in The number of time slots per radio frame can be represented, i can represent the SSB index, μ can be based at least in part on Table 2, and K can represent the number of MOs per time slot (e.g., the number of SSBs per time slot). For example, as... Figure 7C As shown, the initial time slot n0 includes two MOs 762a and 764a, and the subsequent time slot n0+1 includes two MOs 762b and 764b.

[0128] In some examples (such as) Figure 7C In Example 770), the interval N may represent the interval associated with the pattern of a noncoherent MO group. In some implementations, the interval N may be indicated in a broadcast message (such as a MIB message). In such implementations, when the periodicity M is indicated in a broadcast message, the interval N may be based on Where L max This indicates the maximum number of SSB indices. In some other implementations, when the periodicity M is not indicated in the broadcast message, the interval N can be based on N. rep ·L max / K.

[0129] In some implementations, within each MO group, the same PDCCH can be used in consecutive time slots (e.g., N). rep Repeated within a consecutive time slot. In such implementations, the PDCCH can transmit SIB1 messages. In some such examples, each PDCCH transmission in a time slot may be associated with a PDSCH transmission in a different time slot. In some such examples, each PDCCH and associated PDSCH transmission may include the same payload and the same resource mapping. In some other examples, each PDCCH and associated PDSCH transmission may include the same payload and different resource mappings.

[0130] As described, in some examples, the UE can monitor one or more time slots within each MO group. In some implementations, when in a RAR window (such as... Figure 7A When monitoring PDCCH transmission within a RAR window, the UE can monitor a specific time slot among multiple time slots. In such an implementation, this specific time slot may correspond to an N-based time slot. off +N·i determines the monitoring slot index, where i is an integer. In some such examples, two or more UEs can share the same RACH resource within the same RAR window. In such examples, each UE can share a different offset N. off This is associated with reducing control channel resource congestion.

[0131] In some implementations, offset N off The value can be selected from the set of integers {0, 1, ..., N}. rep A random value of N = -1, where N is the random value of N. rep As indicated above. Figure 7C The repetition factor described. As mentioned above, the base station can be in N rep The same PDCCH and associated PDSCH are repeated in consecutive time slots. Therefore, in such implementations, the UE can receive one or more of the repeated PDCCH and associated PDSCH. In some examples, the associated PDSCH may be an example of a RAR message.

[0132] In other implementations, the UE depends on one or more parameters to select offset N. off The value of this parameter. Such parameters may include, for example, the random access preamble index, the SSB index associated with the current RACH procedure, the time index, the cell index, or other parameters. In some examples, the time index may be an example of a time slot index corresponding to one or both of the time slot used to transmit the Physical Random Access Channel (PRACH) preamble to the base station or the time slot used to receive PDCCH transmissions in the RAR window. As an example, if the UE transmits the preamble index k... p Then the offset can be determined as N. off=k p mod N.

[0133] Figure 8 This is a block diagram illustrating an example of a wireless communication device 800 that transmits communication based on a first coherent transmission characteristic or one or more second coherent transmission characteristics, according to various aspects of this disclosure. Device 800 may be as described with reference to... Figure 1 Examples of various aspects of UE 120 described in -7. Wireless communication device 800 may include receiver 810, communication manager 805, transmitter 820, multi-timeslot monitoring configuration selection component 830, multi-timeslot monitoring configuration indication component 840, and multi-timeslot monitoring component 850, which can communicate with each other (e.g., via one or more buses). In some examples, wireless communication device 800 is configured to perform operations including the following references. Figure 9 The described process is the operation of 900.

[0134] In some examples, the wireless communication device 800 may include a chip, chipset, package, or device including at least one processor and at least one modem (e.g., a 5G modem or other cellular modem). In some examples, the communication manager 805 or its sub-components may be separate and distinct components. In some examples, at least some components of the communication manager 805 are at least partially implemented as software stored in memory. For example, portions of one or more components of the communication manager 805 may be implemented as non-transient code executable by a processor to perform the function or operation of the respective component.

[0135] Receiver 810 can receive, in packet form, one or more reference signals (e.g., periodically configured Channel State Information Reference Signal (CSI-RS), aperiodically configured CSI-RS, or reference signals varying due to multi-beam configuration), synchronization signals (e.g., synchronization signal blocks (SSBs)), control information, and data information from one or more other wireless communication devices via various channels including control channels (e.g., PDCCH) and data channels (e.g., PDSCH), such as control channels (e.g., control channels (PDCCH)). Other wireless communication devices may include, but are not limited to, reference signals. Figure 1 -7 describes base station 110.

[0136] The received information can be transmitted to other components of device 800. Receiver 810 can be a reference. Figure 2 Examples of various aspects of the described receiver processor 258. Receiver 810 may include a set of antennas coupled to or otherwise utilizing (e.g., the set of antennas may be a reference antenna). Figure 2 Examples of various aspects of antennas 252a to 252r described herein constitute a set of radio frequency (RF) chains.

[0137] Transmitter 820 can transmit signals generated by communication manager 805 or other components of wireless communication device 800. In some examples, transmitter 820 may be co-located with receiver 810 in a transceiver. Figure 2 Examples of various aspects of the described transmit processor 284. Transmitter 820 may be coupled to or otherwise utilize a set of antennas (e.g., this set of antennas may be a reference antenna). Figure 2 Examples of various aspects of the described antennas 252a to 252r may be antenna elements shared with receiver 810. In some examples, transmitter 820 is configured to transmit control information in the Physical Uplink Control Channel (PUCCH) and data in the PUSCH.

[0138] Communication Manager 805 can be used as a reference Figure 2 Examples of various aspects of the described controller / processor 280. The communication manager 805 may include a multi-slot monitoring configuration selection component 830, a multi-slot monitoring configuration indication component 840, and a multi-slot monitoring component 850. In some implementations, cooperating with receiver 810, the multi-slot monitoring configuration selection component 830 may determine the set of multi-slot monitoring configurations supported by the base station from implicit or explicit indications based on the UE's minimum monitoring opportunity period in the CSS being greater than one slot. Additionally, the multi-slot monitoring configuration selection component 830 may select a first multi-slot monitoring configuration from this set of multi-slot monitoring configurations. In some such implementations, cooperating with transmitter 820, the multi-slot monitoring configuration indication component 840 may transmit a first indicator identifying the first multi-slot monitoring configuration to the base station. Additionally, in some such implementations, cooperating with receiver 810, the multi-slot monitoring component 850 may monitor the CSS in several non-coherent monitoring opportunity groups to search for the PDCCH, each monitoring opportunity group including multiple non-coherent monitoring opportunities based on the first multi-slot monitoring configuration.

[0139] Figure 9 This is a flowchart illustrating, for example, an example process 900 performed by UE 120 according to various aspects of this disclosure. For example, the operation of process 900 may be performed by, as referred to... Figure 8 The described communication manager 805 performs this function. In some examples, the UE can execute a set of instructions to control the functional elements of the UE to perform the following operations or functions. Additionally or alternatively, the UE can use dedicated hardware to perform aspects of the following operations or functions.

[0140] like Figure 9As shown, process 900 begins in block 902 by receiving a message from a network node indicating a set of multi-slot monitoring configurations supported by the network node, based on the fact that the minimum monitoring opportunity associated with the search space is periodically greater than or equal to one time slot. In block 904, process 900 transmits a selection message to the network node indicating a selection of a single multi-slot monitoring configuration from the set of multi-slot monitoring configurations. In block 906, process 900 monitors the search space in several groups of non-coherent monitoring opportunities to look for PDCCH transmissions. Each of these groups of non-coherent monitoring opportunities may include several non-coherent monitoring opportunities associated with a single multi-slot monitoring configuration.

[0141] Figure 10 This is a block diagram of a wireless communication device 1000 that supports data-aware precoding according to various aspects of this disclosure. The wireless communication device 1000 can be as shown in reference... Figure 1 Examples of various aspects of the base station 110 or its components described in section -7. The wireless communication device 1000 may include a receiver 1010, a communication manager 1015, and a transmitter 1020, which can communicate with each other (e.g., via one or more buses). In some examples, the wireless communication device 1000 is configured to perform operations including the following references. Figure 11 The described process 1100 operation.

[0142] In some examples, the wireless communication device 1000 may include a chip, a system-on-a-chip (SoC), a chipset, a package, or a device including at least one processor and at least one modem (e.g., a 5G modem or other cellular modem). In some examples, the communication manager 1015 or its sub-components may be separate and distinct components. In some examples, at least some components of the communication manager 1015 are at least partially implemented as software stored in memory. For example, portions of one or more components of the communication manager 1015 may be implemented as non-transient code executable by a processor to perform the function or operation of the respective component.

[0143] Receiver 1010 may receive, via various channels including control channels (e.g., Physical Downlink Control Channel (PDCCH) and data channels (e.g., Physical Downlink Shared Channel (PDSCH))) from one or more other wireless communication devices, such as receiving in packet form a reference signal (e.g., periodically configured CSI-RS, aperiodically configured CSI-RS, or a reference signal varying due to multi-beam configuration), synchronization signal (e.g., SSB), control information, and / or data information. Other wireless communication devices may include, but are not limited to, reference signals... Figure 1 -7 describes UE 120 or its components.

[0144] The received information can be transmitted to other components of device 1000. Receiver 1010 can be a reference. Figure 2 Examples of various aspects of the described receiver processor 238. Receiver 1010 may include a set of antennas coupled to or otherwise utilizing (e.g., the set of antennas may be referenced). Figure 2 Examples of various aspects of antennas 234a to 234t described herein constitute a set of radio frequency (RF) chains.

[0145] Transmitter 1020 can transmit signals generated by communication manager 1015 or other components of wireless communication device 1000. Transmitter 1020 can be a reference Figure 2 Examples of various aspects of the described transmitter processor 220. The transmitter 1020 may be coupled to or otherwise utilize a set of antennas (e.g., the set of antennas may be a reference antenna). Figure 2 Examples of various aspects of the described antennas 234a to 234t may be antenna elements shared with receiver 1010. In some examples, transmitter 1020 is configured to transmit random access procedure messages in PRACH or PUSCH.

[0146] Communication Manager 1005 can be used as a reference Figure 2 Examples of various aspects of the described controller / processor 240. The communication manager 1005 may include a multi-slot monitoring configuration indication component 1040 and a multi-slot monitoring configuration component 1050. In some implementations, cooperating with receiver 1010, the multi-slot monitoring configuration indication component 1040 receives from the UE a selection message indicating a first multi-slot monitoring configuration selected from a set of multi-slot monitoring configurations supported by the base station, based on the UE's minimum monitoring timing periodicity in the CSS being greater than one time slot. The first multi-slot monitoring configuration identifies the periodicity of monitoring timings in multiple non-coherent monitoring timings within each monitoring timing group in a non-coherent monitoring timing cluster. In some such implementations, cooperating with transmitter 1020, the multi-slot monitoring configuration component 1050 transmits control information to the UE on the PDCCH in the CSS based on the first multi-slot monitoring configuration.

[0147] Figure 11 This is a flowchart illustrating an example process 1100 performed at a base station 110 that supports configuring a search space based on a multi-slot monitoring configuration selected by the UE 120, according to various aspects of this disclosure. Base station 110 is an example of a network entity. Example process 1100 is an example of configuring a search space based on a multi-slot monitoring configuration selected by the UE 120, according to various aspects of this disclosure. The operation of process 1100 can be described by referring to... Figure 1 The described base station (such as base station 110) or its components are used to implement this. For example, the operation of process 1100 may be carried out by, as referred to Figure 10The described receiver 1010, communication manager 1005, transmitter 1020, multi-timeslot monitoring configuration indication component 1040, and multi-timeslot monitoring configuration component 1050 may be used to perform this function. In some examples, the base station may execute a set of instructions to control the functional elements of the base station to perform the following operations or functions. Additionally or alternatively, the base station may use dedicated hardware to perform aspects of the operations or functions described below.

[0148] like Figure 11 As shown, process 1100 begins at block 1102 by transmitting a message indicating a set of multi-slot monitoring configurations supported by the network node, based on the minimum monitoring opportunity periodicity associated with the search space being greater than or equal to one time slot. At block 1104, process 1100 receives a selection message indicating a single multi-slot monitoring configuration from the set of multi-slot monitoring configurations. This single multi-slot monitoring configuration may be associated with the periodicity of monitoring opportunities in each of several non-coherent monitoring opportunity groups. Additionally, each monitoring opportunity group may include several non-coherent monitoring opportunities. At block 1106, process 1100 transmits control information on the PDCCH in the search space based on the received selection message. This control information may be transmitted according to the single multi-slot monitoring configuration.

[0149] The following provides an overview of some aspects of this disclosure:

[0150] Aspect 1. A method for wireless communication performed by a user equipment (UE), comprising: receiving from a network node a message indicating a set of multi-slot surveillance configurations supported by the network node based on a minimum surveillance opportunity periodically greater than or equal to one slot associated with a search space; transmitting to the network node a selection message indicating a selection of a single multi-slot surveillance configuration from the set of multi-slot surveillance configurations; and monitoring the search space in a plurality of discontinuous surveillance opportunity groups to search for physical downlink control channel (PDCCH) transmissions, each of the plurality of discontinuous surveillance opportunity groups comprising a plurality of discontinuous surveillance opportunities associated with the single multi-slot surveillance configuration.

[0151] Aspect 2. The method as described in Aspect 1, wherein: each of the plurality of discontinuous monitoring time groups comprises a plurality of coherent time slots; and each of the plurality of coherent time slots comprises one or more monitoring times among the plurality of discontinuous monitoring times.

[0152] Aspect 3. The method of any of Aspects 1-2, wherein the PDCCH transmission is repeated in each of the plurality of consecutive time slots.

[0153] Aspect 4. The method as described in aspect 3, wherein each PDCCH transmission includes the same payload and the same resource mapping as each other PDCCH transmission, and each corresponding PDSCH transmission includes the same payload and the same resource mapping as each other PDSCH transmission.

[0154] Aspect 5. The method as described in any of Aspects 1-4, wherein each PDCCH transmission includes the same payload and the same resource mapping as each other PDCCH transmission, and each corresponding PDSCH transmission includes the same payload and a different resource mapping as each other PDSCH transmission.

[0155] Aspect 6. The method as described in any of Aspects 1-4, wherein each PDCCH transmission and the corresponding PDSCH transmission include the same payload and different resource mappings.

[0156] Aspect 7. The method of any of Aspects 1-2, further comprising receiving from the network node a message indicating a repetition factor, wherein the number of time slots in each monitoring time group is based on the repetition factor.

[0157] Aspect 8. The method of aspect 7, further comprising: determining a starting time slot index based on the repetition factor and the number of monitoring opportunities in each time slot of the plurality of discontinuous monitoring time slot groups; and determining the interval between the plurality of discontinuous monitoring time slot groups based on the repetition factor, the maximum number of monitoring opportunities, and the number of monitoring opportunities in each time slot.

[0158] Aspect 9. The method of any of Aspects 1-8, wherein each multi-slot monitoring configuration in the multi-slot monitoring configuration set indicates the periodicity of a set of non-coherent monitoring times associated with the corresponding multi-slot monitoring configuration.

[0159] Aspect 10. The method of any of Aspects 1-9, wherein the search space is monitored during the Random Access Response (RAR) period.

[0160] Aspect 11. A wireless communication method performed by a network node, comprising: transmitting a message indicating a set of multi-slot monitoring configurations supported by the network node based on a minimum monitoring opportunity periodically greater than or equal to one time slot associated with a search space; receiving a selection message indicating a single multi-slot monitoring configuration from the set of multi-slot monitoring configurations, the single multi-slot monitoring configuration being periodically associated with monitoring opportunities in each of a plurality of discontinuous monitoring opportunity groups, each monitoring opportunity group including a plurality of discontinuous monitoring opportunities; and transmitting control information on a PDCCH in the search space based on receiving the selection message, the control information being transmitted according to the single multi-slot monitoring configuration.

[0161] Aspect 12. The method of aspect 11, wherein: each monitoring time group comprises a plurality of coherent time slots; and each of the plurality of coherent time slots comprises one or more monitoring times among the plurality of non-coherent monitoring times.

[0162] Aspect 13. The method of any of Aspects 11-12, wherein the PDCCH is transmitted in each of the plurality of consecutive time slots.

[0163] Aspect 14. The method as described in any of Aspects 11-13, wherein each PDCCH transmission corresponds to a corresponding Physical Downlink Shared Channel (PDSCH) transmission.

[0164] Aspect 15. The method as described in any of Aspects 11-14, wherein each PDCCH transmission and the corresponding PDSCH transmission include the same payload and the same resource mapping.

[0165] Aspect 16. The method as described in any of Aspects 11-14, wherein each PDCCH transmission and its corresponding PDSCH transmission include the same payload and different resource mappings.

[0166] The foregoing disclosure provides explanations and descriptions, but is not intended to be exhaustive or to limit the aspects to the precise forms disclosed. Modifications and variations may be made in light of the foregoing disclosure or may be obtained through practice.

[0167] As used, the term "component" is intended to be interpreted broadly as hardware, firmware, and / or a combination of hardware and software. As used, a processor is implemented using hardware, firmware, and / or a combination of hardware and software.

[0168] Some aspects are described in conjunction with thresholds. As used, depending on the context, satisfying a threshold can mean a value greater than the threshold, greater than or equal to the threshold, less than the threshold, less than or equal to the threshold, equal to the threshold, not equal to the threshold, etc.

[0169] It will be apparent that the described systems and / or methods can be implemented in various forms, including hardware, firmware, and combinations of hardware and software. The actual dedicated control hardware or software code used to implement these systems and / or methods is not limited in any aspect. Thus, the operation and behavior of these systems and / or methods are described without reference to any specific software code—it is understood that software and hardware can be designed to implement these systems and methods, at least in part, based on this description.

[0170] Although specific combinations of features are described in the claims and disclosed in the specification, these combinations are not intended to limit the disclosure of aspects. In fact, many of these features can be combined in ways not specifically described in the claims and not disclosed in the specification. Although each dependent claim listed below may be directly subordinated to only one claim, the disclosure of aspects includes each dependent claim being combined with each other claim in this set of claims. The phrase “at least one of” refers to any combination of these items, including single members. As an example, “at least one of a, b, or c” is intended to cover: a, b, c, ab, ac, bc, and abc, as well as any combination having multiple identical elements (e.g., aa, aaa, aab, aac, abb, acc, bb, bbb, bbc, cc, and ccc, or any other ordering of a, b, and c).

[0171] The elements, actions, or instructions used should not be interpreted as critical or necessary unless explicitly stated otherwise. Furthermore, as used, the articles “a” and “a certain” are intended to include one or more items and may be used interchangeably with “one or more.” Additionally, as used, the terms “set” and “group” are intended to include one or more items (e.g., related items, unrelated items, combinations of related and unrelated items, etc.) and may be used interchangeably with “one or more.” In cases where only one item is intended, the phrase “only one” or similar language is used. Moreover, as used, the terms “have,” “contain,” “include,” etc., are intended to be open-ended terms. Furthermore, the phrase “based on” is intended to mean “at least partially based on” unless otherwise explicitly stated.

[0172] As used herein, “or” is intended to be interpreted in an inclusive sense unless otherwise expressly indicated. For example, “a or b” could include only a, only b, or a combination of a and b. As used herein, the phrase “at least one of” or “one or more of” refers to any combination of these items, including a single member. For example, “at least one of a, b, or c” is intended to cover the following examples: only a, only b, only c, a combination of a and b, a combination of a and c, a combination of b and c, and a combination of a, b, and c.

Claims

1. A method for wireless communication performed by a user equipment (UE), comprising: Receive a message from the network node indicating the set of multi-slot monitoring configurations supported by the network node; as well as The search space is monitored in one or more of a plurality of discontinuous surveillance time groups to look for Physical Downlink Control Channel (PDCCH) transmissions, each of the plurality of discontinuous surveillance time groups including a discontinuous surveillance time group in a corresponding coherent time slot group, the discontinuous surveillance time group being associated with a single multi-time slot surveillance configuration from the set of multi-time slot surveillance configurations, each time slot in the corresponding coherent time slot group including one or more surveillance times from one of the plurality of discontinuous surveillance time groups, wherein the PDCCH transmissions are repeated in each time slot of the coherent time slot group.

2. The method of claim 1, further comprising transmitting to the network node an indication of a single multi-slot monitoring configuration from the multi-slot monitoring configuration set.

3. The method of claim 2, wherein the single multi-slot monitoring configuration is periodically associated with monitoring opportunities associated with the search space of a time slot or more.

4. The method of claim 1, wherein each multi-slot monitoring configuration in the multi-slot monitoring configuration set indicates the periodicity of a set of non-coherent monitoring times associated with the corresponding multi-slot monitoring configuration.

5. The method of claim 1, wherein each PDCCH transmission corresponds to a corresponding Physical Downlink Shared Channel (PDSCH) transmission.

6. The method of claim 5, wherein each PDCCH transmission includes the same payload and the same resource mapping as each other PDCCH transmission, and each corresponding PDSCH transmission includes the same payload and the same resource mapping as each other PDSCH transmission.

7. The method of claim 5, wherein each PDCCH transmission includes the same payload and the same resource mapping as each other PDCCH transmission, and each corresponding PDSCH transmission includes the same payload and a different resource mapping as each other PDSCH transmission.

8. The method of claim 1, further comprising receiving a repeat message indicating a repeat factor from the network node. The number of time slots in each monitoring time group is based on the repetition factor.

9. The method of claim 8, further comprising: The starting time slot index is determined based on the repetition factor and the number of monitoring opportunities in each time slot of the plurality of non-contiguous monitoring time groups; as well as The intervals between the multiple non-contiguous monitoring time groups are determined based on the repetition factor, the maximum number of monitoring opportunities, and the number of monitoring opportunities in each time slot.

10. A method for wireless communication performed by a user equipment (UE), comprising: Receive a message from the network node indicating a multi-slot monitoring configuration set supported by the network node; as well as During the Random Access Response (RAR) period, the search space is monitored in one or more of a plurality of discontinuous surveillance time groups to look for Physical Downlink Control Channel (PDCCH) transmissions. Each of the plurality of discontinuous surveillance time groups includes a discontinuous surveillance time group in one or more time slots, and the discontinuous surveillance time group is associated with a single multi-time slot surveillance configuration from the multi-time slot surveillance configuration set.

11. The method of claim 10, further comprising transmitting to the network node an indication of a multi-slot monitoring configuration from the set of multi-slot monitoring configurations, wherein the multi-slot monitoring configuration is periodically associated with a monitoring event associated with the search space for a period of time greater than or equal to one slot.

12. A user equipment (UE), comprising: One or more processors; as well as One or more memories coupled to the one or more processors and storing instructions that, when executed by the one or more processors, operate to cause the UE to: Receive a message from the network node indicating the set of multi-slot monitoring configurations supported by the network node; as well as The search space is monitored in one or more of a plurality of discontinuous surveillance time groups to look for Physical Downlink Control Channel (PDCCH) transmissions, each of the plurality of discontinuous surveillance time groups including a discontinuous surveillance time group in a corresponding coherent time slot group, the discontinuous surveillance time group being associated with a single multi-time slot surveillance configuration from the set of multi-time slot surveillance configurations, each time slot in the corresponding coherent time slot group including one or more surveillance times from one of the plurality of discontinuous surveillance time groups, wherein the PDCCH transmissions are repeated in each time slot of the coherent time slot group.

13. The UE of claim 12, wherein execution of the instruction further causes the UE to transmit to the network node an indication of the single multi-slot surveillance configuration from the multi-slot surveillance configuration set.

14. The UE of claim 12, wherein the single multi-slot monitoring configuration is periodically associated with monitoring opportunities associated with the search space of a time slot or more.

15. The UE of claim 12, wherein each multi-slot monitoring configuration in the multi-slot monitoring configuration set indicates the periodicity of a set of non-coherent monitoring times associated with the corresponding multi-slot monitoring configuration.

16. The UE of claim 12, wherein each PDCCH transmission corresponds to a corresponding Physical Downlink Shared Channel (PDSCH) transmission.

17. The UE of claim 16, wherein each PDCCH transmission includes the same payload and the same resource mapping as each other PDCCH transmission, and each corresponding PDSCH transmission includes the same payload and the same resource mapping as each other PDSCH transmission.

18. The UE of claim 16, wherein each PDCCH transmission includes the same payload and the same resource mapping as each other PDCCH transmission, and each corresponding PDSCH transmission includes the same payload and a different resource mapping as each other PDSCH transmission.

19. The UE as claimed in claim 12, wherein: Execution of the instruction further causes the UE to receive a repetition message indicating the repetition factor from the network node; and The number of time slots in each monitoring time group is based on the repetition factor.

20. The UE of claim 19, wherein: Execution of the instruction further causes the UE to determine the starting time slot index based on the repetition factor and the number of monitoring opportunities in each time slot of the plurality of non-coherent monitoring time groups; as well as The intervals between the multiple non-contiguous monitoring time groups are determined based on the repetition factor, the maximum number of monitoring opportunities, and the number of monitoring opportunities in each time slot.

21. A user equipment (UE), comprising: One or more processors; as well as One or more memories coupled to the one or more processors and storing instructions that, when executed by the one or more processors, operate to cause the UE to: Receive a message from the network node indicating a multi-slot monitoring configuration set supported by the network node; as well as During the Random Access Response (RAR) period, the search space is monitored in one or more of a plurality of discontinuous surveillance time groups to look for Physical Downlink Control Channel (PDCCH) transmissions. Each of the plurality of discontinuous surveillance time groups includes a discontinuous surveillance time group in one or more time slots, and the discontinuous surveillance time group is associated with a single multi-time slot surveillance configuration from the multi-time slot surveillance configuration set.

22. The UE of claim 21, wherein: Execution of the instruction further causes the UE to transmit an indication to the network node regarding a multi-slot surveillance configuration from the multi-slot surveillance configuration set; and The multi-slot monitoring configuration is periodically associated with monitoring opportunities related to the search space at a time slot of one or more.

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