Multiplexing synchronization signal blocks, control resource sets, and system information blocks

Abstract

A wireless communication system and method are provided related to the multiplexing of Synchronization Blocks (SSBs), Control Resource Sets (CORESETs), and System Information Blocks (SIBs). A User Equipment (UE) receives a first SSB from a base station (BS) of a first SSB group within a SSB burst set, wherein the first and second SSB groups of the SSB burst set are time-spaced through CORESETs and SIB groups. For each SSB in the first SSB group, the CORESET and SIB groups comprise one CORESET and at least one SIB. The UE receives SIB scheduling information in the first CORESET of the CORESET and SIB groups based on the first SSB. The UE receives the first SIB of the CORESET and SIB groups based on the SIB scheduling information.

Description

[0001] Cross-references to related applications

[0002] This application claims priority and benefit to U.S. Patent Application No. 17 / 643,142, filed December 7, 2021, and Provisional Patent Application No. 63 / 199,679, filed January 15, 2021, which are incorporated herein by reference in their entirety for all applicable purposes, as fully set forth below. Technical Field

[0003] This disclosure relates to wireless communication systems and methods. Certain aspects may implement and provide techniques for multiplexing synchronization blocks (SSBs), control resource sets (CORESETs), and system information blocks (SIBs). Background Technology

[0004] Wireless communication systems are widely deployed to provide various types of communication content, such as voice, video, packet data, messaging, and broadcasting. These systems may be able to support communication with multiple users by sharing available system resources (e.g., time, frequency, and power). Wireless multiple access communication systems may include multiple base stations (BSs), each supporting communication from multiple communication devices simultaneously; these devices may also be referred to as user equipment (UEs).

[0005] To meet the growing demand for extended mobile broadband connectivity, wireless communication technologies are evolving from Long Term Evolution (LTE) to Next Generation New Radio (NR), often referred to as fifth generation (5G). For example, NR is designed to provide lower latency, higher bandwidth or throughput, and greater reliability than LTE. NR is designed to operate across a wide array of spectrum bands, from low-frequency bands below approximately 1 GHz and mid-frequency bands from approximately 1 GHz to approximately 6 GHz, to high-frequency bands such as millimeter wave (mmWave) bands. NR is also designed to operate across different spectrum types, from licensed spectrum to unlicensed and shared spectrum. Spectrum sharing allows operators the opportunity to aggregate spectrum to dynamically support high-bandwidth services. Spectrum sharing can extend the benefits of NR technology to operating entities that may not have access to licensed spectrum.

[0006] In a wireless communication network, the BS can transmit various system information to facilitate the UE's initial network access. For example, the BS can periodically transmit Synchronization Signal Blocks (SSBs) that include various synchronization signals and network-related system information. The SSB can also provide information associated with a Control Resource Set (CORESET), where the BS can transmit scheduling information for additional system information. Therefore, the BS can transmit scheduling information within the indicated CORESET and, based on the scheduling information, transmit additional system information. Summary of the Invention

[0007] The following outlines some aspects of this disclosure to provide a basic understanding of the techniques discussed. This overview is not a comprehensive summary of all the intended features of this disclosure, and is neither intended to identify key points or essential elements of all aspects of this disclosure, nor to depict the scope of any or all aspects of this disclosure. Its sole purpose is to present some concepts of one or more aspects of this disclosure in summary form as a prelude to the more detailed description that follows.

[0008] For example, in one aspect of this disclosure, a method for wireless communication performed by a user equipment (UE) includes: receiving a first SSB of a first SSB group of a synchronization signal block (SSB) burst set from a base station (BS), wherein the first SSB group and a second SSB group of the SSB burst set are time-spaced by a control resource set (CORESET) and a system information block (SIB) group, wherein for each SSB of the first SSB group, the CORESET and the SIB group include a CORESET and at least one SIB; receiving SIB scheduling information in the first CORESET of the CORESET and the SIB group based on the first SSB; and receiving the first SIB of the CORESET and the SIB group based on the SIB scheduling information.

[0009] In another aspect of this disclosure, a method for wireless communication performed by a base station (BS) includes: transmitting a first SSB group and a second SSB group associated with a set of synchronization signal blocks (SSBs), wherein the first SSB group and the second SSB group are time-spaced by a control resource set (CORESET) and a system information block (SIB) group, wherein for each SSB of the first SSB group, the CORESET and the SIB group include a CORESET and at least one SIB; transmitting SIB scheduling information in the first CORESET within the CORESET and SIB groups; and transmitting the first SIB of the CORESET and SIB groups based on the SIB scheduling information.

[0010] In another aspect of this disclosure, a user equipment (UE) includes: a processor; and a transceiver coupled to the processor, wherein the transceiver is configured to: receive a first SSB of a first SSB group of a synchronization signal block (SSB) burst set from a base station (BS), wherein the first SSB group and a second SSB group of the SSB burst set are time-spaced by a control resource set (CORESET) and a system information block (SIB) group, wherein for each SSB of the first SSB group, the CORESET and the SIB group include a CORESET and at least one SIB; receive SIB scheduling information in the first CORESET of the CORESET and the SIB group based on the first SSB; and receive the first SIB of the CORESET and the SIB group based on the SIB scheduling information.

[0011] In another aspect of this disclosure, a base station (BS) includes: a processor; and a transceiver coupled to the processor, wherein the transceiver is configured to: transmit a first SSB group and a second SSB group associated with a set of synchronization signal blocks (SSBs), wherein the first SSB group and the second SSB group are time-spaced by a control resource set (CORESET) and a system information block (SIB) group, wherein for each SSB of the first SSB group, the CORESET and the SIB group include a CORESET and at least one SIB; transmit SIB scheduling information in the first CORESET within the CORESET and SIB groups; and transmit the first SIB of the CORESET and SIB groups based on the SIB scheduling information.

[0012] In another aspect of this disclosure, a non-transitory computer-readable medium is provided having program code recorded thereon, the program code including code for enabling a user equipment (UE) to receive a first SSB of a first SSB group from a base station (BS), wherein the first SSB group and the second SSB group of the SSB burst set are time-spaced by a control resource set (CORESET) and a system information block (SIB) group, wherein for each SSB of the first SSB group, the CORESET and the SIB group include a CORESET and at least one SIB; code for enabling the UE to receive SIB scheduling information in the first CORESET of the CORESET and the SIB group based on the first SSB; and code for enabling the UE to receive the first SIB of the CORESET and the SIB group based on the SIB scheduling information.

[0013] In another aspect of this disclosure, a non-transitory computer-readable medium is provided having program code recorded thereon, the program code including code for causing a base station (BS) to transmit a first SSB group and a second SSB group associated with a Synchronization Signal Block (SSB) burst set, wherein the first SSB group and the second SSB group are time-spaced by a Control Resource Set (CORESET) and a System Information Block (SIB) group, wherein for each SSB of the first SSB group, the CORESET and the SIB group include a CORESET and at least one SIB; code for causing the BS to transmit SIB scheduling information in the first CORESET within the CORESET and SIB group; and code for causing the BS to transmit the first SIB of the CORESET and SIB group based on the SIB scheduling information.

[0014] In another aspect of this disclosure, a user equipment (UE) includes: means for receiving a first SSB of a first SSB group from a base station (BS), wherein the first SSB group and a second SSB group of the SSB burst set are time-spaced by a control resource set (CORESET) and a system information block (SIB) group, wherein for each SSB of the first SSB group, the CORESET and the SIB group include a CORESET and at least one SIB; means for receiving SIB scheduling information in the first CORESET of the CORESET and the SIB group based on the first SSB; and means for receiving the first SIB of the CORESET and the SIB group based on the SIB scheduling information.

[0015] In another aspect of this disclosure, a base station (BS) includes: means for transmitting a first SSB group and a second SSB group associated with a Synchronization Signal Block (SSB) burst set, wherein the first SSB group and the second SSB group are time-spaced by a Control Resource Set (CORESET) and a System Information Block (SIB) group, wherein for each SSB of the first SSB group, the CORESET and the SIB group include a CORESET and at least one SIB; means for transmitting SIB scheduling information in the first CORESET within the CORESET and SIB group; and means for transmitting the first SIB of the CORESET and the SIB group based on the SIB scheduling information.

[0016] Other aspects, features, and embodiments of the invention will become clear to those skilled in the art from the following description of specific exemplary embodiments of the invention taken in conjunction with the accompanying drawings. While features of the invention may be discussed with respect to certain embodiments and the drawings below, all embodiments of the invention may include one or more advantageous features discussed herein. In other words, while one or more embodiments may be discussed as having certain advantageous features, one or more of these features may also be used according to the various embodiments of the invention discussed herein. Similarly, while exemplary embodiments may be discussed below as embodiments of devices, systems, or methods, it should be understood that such exemplary embodiments may be implemented in various devices, systems, and methods. Attached Figure Description

[0017] Figure 1 A wireless communication network according to some aspects of this disclosure is shown.

[0018] Figure 2 This is a timing diagram illustrating the radio frame structure according to some aspects of this disclosure.

[0019] Figure 3 A system information reuse scheme based on some aspects of this disclosure is shown.

[0020] Figure 4 A system information reuse scheme based on some aspects of this disclosure is shown.

[0021] Figure 5 A system information reuse scheme based on some aspects of this disclosure is shown.

[0022] Figure 6 A synchronization signal block (SSB) transmission scheme according to some aspects of this disclosure is shown.

[0023] Figure 7A A system information reuse scheme based on some aspects of this disclosure is shown.

[0024] Figure 7B A system information reuse scheme based on some aspects of this disclosure is shown.

[0025] Figure 8A A system information reuse scheme based on some aspects of this disclosure is shown.

[0026] Figure 8B A system information reuse scheme based on some aspects of this disclosure is shown.

[0027] Figure 9 This is a sequence diagram illustrating a communication method for initial network access according to some aspects of this disclosure.

[0028] Figure 10 This is a block diagram of an exemplary base station (BS) according to some aspects of this disclosure.

[0029] Figure 11 This is a block diagram of an exemplary user equipment (UE) according to some aspects of this disclosure.

[0030] Figure 12 This is a flowchart of a wireless communication method according to some aspects of this disclosure.

[0031] Figure 13 This is a flowchart of a wireless communication method according to some aspects of this disclosure.

[0032] Figure 14A A system information reuse scheme based on some aspects of this disclosure is shown.

[0033] Figure 14B A system information reuse scheme based on some aspects of this disclosure is shown.

[0034] Figure 15A A system information reuse scheme based on some aspects of this disclosure is shown.

[0035] Figure 15B A system information reuse scheme based on some aspects of this disclosure is shown. Detailed Implementation

[0036] The detailed description that follows, taken in conjunction with the accompanying drawings, is intended as a description of various configurations, and not as representing the only configuration in which the concepts described herein can be practiced. The detailed description includes specific details used to provide a thorough understanding of the various concepts. However, it will be clear to those skilled in the art that these concepts can be practiced without these specific details. In some cases, well-known structures and components are shown in block diagram form to avoid obscuring these concepts.

[0037] This disclosure generally relates to wireless communication systems, also known as wireless communication networks. In various aspects, the described technologies and apparatus can be used in wireless communication networks such as Code Division Multiple Access (CDMA) networks, Time Division Multiple Access (TDMA) networks, Frequency Division Multiple Access (FDMA) networks, Orthogonal FDMA (OFDMA) networks, Single Carrier FDMA (SC-FDMA) networks, LTE networks, Global System for Mobile Communications (GSM) networks, 5G or New Radio (NR) networks, and other communication networks. As described herein, the terms "network" and "system" are used interchangeably.

[0038] OFDMA networks can implement radio technologies such as Evolved UTRA (E-UTRA), IEEE 802.11, IEEE 802.16, IEEE 802.20, and Flash OFDM. UTRA, E-UTRA, and GSM are part of the Universal Mobile Telecommunications System (UMTS). Specifically, Long Term Evolution (LTE) is the release of UMTS using E-UTRA. UTRA, E-UTRA, GSM, UMTS, and LTE are described in documents provided by an organization called the "3rd Generation Partnership Project" (3GPP), and cdma2000 is described in documents provided by an organization called "3rd Generation Partnership Project 2" (3GPP2). These different radio technologies and standards are known or under development. For example, the 3rd Generation Partnership Project (3GPP) is a collaboration between groups of telecommunications associations aimed at defining globally applicable third-generation (3G) mobile phone specifications. 3GPP Long Term Evolution (LTE) is a 3GPP project aimed at improving the UMTS mobile phone standard. 3GPP defines specifications for next-generation mobile networks, mobile systems, and mobile devices. This disclosure relates to the evolution of wireless technologies from LTE, 4G, 5G, NR, etc., in which new and different sets of radio access technologies or radio air interfaces are used to share access to the radio spectrum between networks.

[0039] In particular, 5G networks take into account different deployments, different spectrums, and different services and devices that can be achieved using a unified air interface based on OFDM. To achieve these goals, in addition to developing new radio technologies for 5G NR networks, further enhancements to LTE and LTE-A are also considered. 5G NR will be able to extend to provide coverage (1) to ultra-high density (e.g., approximately 1 M nodes / km). 2 (1) Ultra-low complexity (e.g., approximately 10 s bits / second), ultra-high energy (e.g., approximately 10+ years of battery life) and deep coverage of massive Internet of Things (IoT) capable of reaching challenging locations; (2) Includes mission-critical controls with robust security to protect sensitive personal, financial or confidential information, ultra-high reliability (e.g., approximately 999.9999% reliability), ultra-low latency (e.g., approximately 1 ms), and a wide range of users with or without mobility; and (3) Has enhanced mobile broadband, including extremely high capacity (e.g., approximately 10 Tbps / km). 2 ), extremely high data rates (e.g., multi-Gbps rates, 100+Mbps user experience rates), and deep awareness with advanced discovery and optimization.

[0040] 5G NR communication systems can be implemented using optimized OFDM-based waveforms with scalable parameter sets (numerology) and transmission time intervals (TTI). Additional features may include a general, flexible framework to efficiently multiplex services and features using dynamic, low-latency Time Division Duplex (TDD) / Frequency Division Duplex (FDD) designs; and advanced wireless technologies such as massive MIMO, robust millimeter-wave (mmWave) transmission, advanced channel coding, and device-centric mobility. The scalability of the parameter set in 5G NR (with extended subcarrier spacing) effectively addresses the challenge of operating different services across different spectrums and deployments. For example, in various outdoor and macro coverage deployments implemented with FDD / TDD below 3 GHz, subcarrier spacing can occur at 15 kHz over bandwidths (BWs) such as 5, 10, and 20 MHz. For other various outdoor and small-cell coverage deployments with TDD above 3 GHz, subcarrier spacing can occur at 30 kHz over an 80 / 100 MHz BW. For various other indoor broadband implementations using TDD in the unlicensed portion of the 5 GHz band, subcarrier spacing can occur at 60 kHz over a 160 MHz BW. Finally, for various deployments utilizing millimeter-wave components for TDD transmission at 28 GHz, subcarrier spacing can occur at 120 kHz over a 500 MHz BW.

[0041] 5G NR's scalable parameter set facilitates scalable TTIs for varying latency and Quality of Service (QoS) requirements. For example, shorter TTIs can be used for low latency and high reliability, while longer TTIs can be used for higher spectral efficiency. Efficient multiplexing of long and short TTIs allows transmission to begin at symbol boundaries. 5G NR also considers self-contained integrated subframe designs that utilize UL / downlink scheduling information, data, and acknowledgments within the same subframe. These self-contained integrated subframes support communication in unlicensed or contention-based shared spectrum, in an adaptive UL / downlink configuration, and can be flexibly configured on a per-cell basis to dynamically switch between UL and downlink to meet current service demands.

[0042] Various other aspects and features of this disclosure are further described below. It should be understood that the teachings herein can be embodied in many forms, and any particular structure, function, or both disclosed herein are merely representative and not limiting. Based on the teachings herein, those skilled in the art will understand that the aspects disclosed herein can be implemented independently of any other aspects, and two or more of these aspects can be combined in various ways. For example, any number of the aspects set forth herein can be used to implement an apparatus or practice a method. Furthermore, such an apparatus or practice a method can be implemented using other structures, functions, or structures and functions besides one or more aspects set forth herein, or besides more than one aspect discussed herein. For example, a method can be implemented as part of a system, device, apparatus, and / or as instructions stored on a computer-readable medium for execution on a processor or computer. Furthermore, an aspect may include at least one element of the claims.

[0043] As described above, NR or 5G can operate at high frequencies, such as millimeter wave frequency ranges or frequencies, to take advantage of the availability of wideband channels to provide higher data throughput than the low-frequency bands typically used in conventional wireless communication systems. The millimeter wave frequency range between approximately 52.6 GHz and approximately 71 GHz is referred to as Frequency Range 2 (FR2). However, FR2 can have higher path loss compared to lower frequency ranges, such as Frequency Range 1 (FR1) between approximately 4 GHz and approximately 7 GHz. To overcome the high path loss in FR2, BS 105 and / or UE 115 can apply beamforming techniques to form directional beams for transmission and / or reception. Directional beams can focus the transmitted signal energy and / or received signal energy in a spatial direction and within a spatial angular sector or width. As used herein, the term "beam scanning" can refer to the transmitter sequentially using each beam in the set of beams for transmission, or the receiver sequentially using each beam in the set of beams for reception.

[0044] To facilitate initial network access on the FR2 band, the BS can transmit SSBs in multiple beam directions (using beam scanning) to cover the sectors served by the BS. For example, the BS can transmit an SSB set by scanning a predefined set of beam directions (using the transmit beam set at the BS). This SSB set can be referred to as an SSB burst set. Each SSB may include a Primary Synchronization Signal (PSS), a Secondary Synchronization Signal (SSS), and / or a Primary Information Block (MIB). The MIB may include system information for initial network access and scheduling information for further system information, and can be referred to as Residual Minimal System Information (RMSI) or System Information Block (SIB). For example, the MIB may include an indication of a Control Resource Set (CORESET) in which the BS can transmit scheduling information for the RMSI. In some cases, the CORESET for transmitting SIB scheduling information may be referred to as CORESET 0.

[0045] When a BS transmits SSBs in multiple beam directions, the BS can configure a CORESET for each beam direction. In other words, a CORESET can be associated with a specific beam direction. The BS can transmit SIB scheduling information in each CORESET using a transmit beam pointing to the beam direction associated with the CORESET. The SIB scheduling information can indicate the resources allocated for SIB transmission. The BS can transmit SIBs scheduled by the scheduling information in the same beam direction as the SIB scheduling information. In this way, a UE wishing to access the network can monitor SSBs in multiple beam directions (e.g., using beam scanning). When an SSB is detected that provides received signal quality (e.g., Reference Signal Received Power (RSRP)) that meets a specific threshold, the UE can continue monitoring the SIB scheduling information and / or the SIB in the same beam direction as the SSB.

[0046] This application describes a mechanism for multiplexing SSBs, CORESETs, and SIBs using Time Division Multiplexing (TDM). In some aspects, BS 105 can transmit SSBs of SSB burst sets in SSB groups with time-separated gap periods, and can configure and / or schedule CORESETs (e.g., CORESET 0) and SIBs associated with SSBs within the gap periods. For this purpose, BS 105 transmits a first SSB group of SSB burst sets in a first consecutive time slot set, and a second SSB group of SSB burst sets in a second consecutive time slot set. The first consecutive time slot set and the second consecutive time slot set are separated by a gap. BS 105 can configure or schedule CORESET and SIB groups within the gap. CORESET and SIB groups can include a CORESET / SIB set (e.g., one CORESET and at least one SIB) for each SSB in the first SSB group. BS can transmit SIB scheduling information in each CORESET of the corresponding SSB's CORESET and SIB groups. Subsequently, BS can transmit SIBs according to the corresponding SIB scheduling information. As described above, the BS can transmit each SSB in a specific beam direction of the SSB burst set. Therefore, the CORESET associated with a specific SSB can be associated with the same beam direction as the specific SSB. The BS can also transmit SIB scheduling information associated with the specific SSB and its corresponding SIB in the same beam direction as the specific SSB.

[0047] In some aspects, BS 105 can transmit SSBs in an SSB burst set in resources (e.g., time slots) configured based on a first SCS, and schedule and / or configure CORESETs and SIBs associated with the SSB burst set in resources configured based on a second SCS. In some aspects, the first SCS differs from the second SCS. In some aspects, each SSB may include an SSB index identifying the SSB. Therefore, the UE can monitor SSBs based on the first SCS. Upon receiving an SSB, the UE can identify the time position of the CORESET associated with the SSB based on the SSB index (e.g., via an SSB indication), the first SCS, the second SCS, and / or the time slot index associated with the SSB. The UE can monitor SIB scheduling information in the identified CORESET based on the second SCS. Upon receiving SIB scheduling information, the UE can receive the SIB based on the scheduling information and the second SCS.

[0048] In some respects, an SSB burst set can include 64 SSBs. The BS can transmit SSB burst sets at 5-millisecond (ms) intervals and can repeat the transmission of SSB burst sets according to specific periods (e.g., approximately 10ms, 20ms, 40ms, 80ms, or longer). The BS can transmit SSB burst sets in four 16-SSB groups. The BS can transmit each SSB group in consecutive time slots spaced temporally apart from adjacent or neighboring SSB groups. In some cases, the first SCS associated with the SSB burst set is 120kHz, and each 16-SSB group can be transmitted in 8 consecutive time slots (based on the 120kHz SCS definition), for example, 2 SSBs per time slot. The gap between each SSB group can include 2 time slots of the 120kHz SCS. If the second SCS associated with the CORESET and SIB is at 480kHz, each gap can include 8 time slots defined in the 480kHz SCS, and the BS can configure and / or schedule two CORESET / SIB sets in each time slot. If the second SCS associated with CORESET and SIB is at 960kHz, each gap can include 16 time slots defined in the 960kHz SCS, and the BS can configure and / or schedule a CORESET / SIB set in each time slot. In other words, the SSB group is time-multiplexed with the CORESET and SIB groups.

[0049] In other respects, the BS can configure or schedule CORESET and SIB groups for SSB groups within the same consecutive time slot set where the SSB group resides. For example, within each consecutive time slot set, the BS 105 can configure and / or schedule CORESET / SIB groups for every two SSB subgroups during the gap time (symbols not occupied by the SSB) between the two SSB subgroups.

[0050] Various aspects of this disclosure can provide several benefits. For example, time multiplexing an SSB group with a CORESET and SIB group allows a UE that detects an SSB with acceptable reception quality (e.g., about a certain threshold) to cease further SSB monitoring, calculate the time position of the associated CORESET, and enter a low-power mode or sleep mode until the start time of the CORESET. Thus, the UE can conserve power during initial network access. While this disclosure is discussed in the context of communication over millimeter wave bands using SSBs configured for a 120 kHz SCS and CORESETs and SIBs configured for a 480 kHz or 960 kHz SCS, this disclosure is applicable to communication in any frequency range and using a suitable SCS. Furthermore, while this disclosure is discussed in the context of an SSB burst set comprising 64 SSBs, this disclosure is applicable to both smaller and larger numbers of SSBs.

[0051] Figure 1 A wireless communication network 100 according to some aspects of this disclosure is illustrated. Network 100 may be a 5G network. Network 100 includes multiple base stations (BSs) 105 (labeled 105a, 105b, 105c, 105d, 105e, and 105f, respectively) and other network entities. BS 105 may be a station communicating with UEs 115 (individually labeled 115a, 115b, 115c, 115d, 115e, 115f, 115g, 115h, and 115k), and may also be referred to as an evolved Node B (eNB), a next-generation eNB (gNB), an access point, etc. Each BS 105 may provide communication coverage for a specific geographic area. In 3GPP, the term "cell" may refer to a specific geographic coverage area of ​​the BS 105 and / or BS subsystem serving the coverage area, depending on the context in which the term is used.

[0052] BS 105 can provide communication coverage for macro cells or small cells (such as pico cells or femto cells) and / or other types of cells. Macro cells typically cover a relatively large geographic area (e.g., a radius of several kilometers) and allow unrestricted access by UEs subscribed to services by a network provider. Small cells, such as pico cells, typically cover a relatively small geographic area and allow unrestricted access by UEs subscribed to services by a network provider. Small cells, such as femto cells, also typically cover a relatively small geographic area (e.g., a home) and, in addition to unrestricted access, can also provide restricted access by UEs associated with the femto cell (e.g., UEs in a Closed Subscriber Group (CSG), UEs of users in a home, etc.). A BS used for macro cells may be referred to as a macro BS. A BS used for small cells may be referred to as a small cell BS, pico BS, femto BS, or home BS. Figure 1 In the examples shown, BS 105d and 105e can be conventional macro BSs, while BS 105a-105c can be macro BSs implemented using one of three-dimensional (3D), full-dimensional (FD), or massive MIMO. BS 105a-105c can leverage their higher-dimensional MIMO capabilities to increase coverage and capacity using 3D beamforming in elevation and azimuth beamforming. BS 105f can be a small cell BS, which can be a home node or a portable access point. BS 105 can support one or more cells (e.g., two, three, four, etc.).

[0053] Network 100 can support synchronous or asynchronous operation. For synchronous operation, BSs can have similar frame timing, and transmissions from different BSs can be approximately time-aligned. For asynchronous operation, BSs can have different frame timing, and transmissions from different BSs can be out of time-aligned.

[0054] UE 115 is distributed throughout the wireless network 100, and each UE 115 can be fixed or mobile. UE 115 may also be referred to as a terminal, mobile station, subscriber unit, station, etc. UE 115 can be a cellular phone, personal digital assistant (PDA), wireless modem, wireless communication device, handheld device, tablet computer, laptop computer, cordless phone, wireless local loop (WLL) station, etc. In one aspect, UE 115 can be a device including a Universal Integrated Circuit Card (UICC). In another aspect, UE 115 can be a device without a UICC. In some aspects, UE 115 without a UICC can also be referred to as an IoT device or Internet of Things (IoE) device. UE 115a-115d are examples of mobile smartphone-type devices accessing network 100. UE 115 can also be a machine specifically configured for connecting communications, including Machine Type Communication (MTC), Enhanced MTC (eMTC), Narrowband IoT (NB-IoT), etc. UE 115e-115h are examples of various machines configured for accessing communications within network 100. UE 115i-115k is an example of a carrier equipped with wireless communication equipment configured for accessing network 100. UE 115 can communicate with any type of BS, whether macro BS, small cell, etc. Figure 1 In the context of lightning (e.g., communication links), lightning indicates radio transmissions between UE 115 and serving BS 105 (serving BS 105 is a BS designated to serve UE 115 on the downlink (DL) and / or uplink (UL), expected transmissions between BS 105, backhaul transmissions between BSs, or sidelink transmissions between UE 115.

[0055] In operation, BS 105a-105c can provide services to UE 115a and 115b using 3D beamforming and cooperative spatial technologies such as Cooperative Multipoint (CoMP) or multi-connectivity. Macro BS 105d can perform backhaul communication with BS 105a-105c and small cell (BS 105f). Macro BS 105d can also transmit multicast services subscribed to and received by UE 115c and 115d. Such multicast services may include mobile TV or streaming video, or may include other services for providing community information, such as weather emergencies or alerts, such as Amber Alerts or Grey Alerts.

[0056] BS 105 can also communicate with the core network. The core network can provide user authentication, access authorization, tracking, Internet Protocol (IP) connectivity, and other access, routing, or mobility functions. At least some of the BS 105s (e.g., examples of gNBs or Access Node Controllers (ANCs)) can interface with the core network via backhaul links (e.g., NG-C, NG-U, etc.) and can perform radio configuration and scheduling for communication with UE 115. In various examples, BS 105s can communicate with each other directly or indirectly (e.g., via the core network) via backhaul links (e.g., X1, X2, etc.), which can be wired or wireless communication links.

[0057] Network 100 can also support mission-critical communication with ultra-reliable and redundant links for mission-critical devices, such as UE 115e, which could be a drone. Redundant communication links with UE 115e can include links from macro BSs 105d and 105e, and links from small cell BS 105f. Other machine-type devices, such as UE 115f (e.g., a thermometer), UE 115g (e.g., a smart meter), and UE 115h (e.g., a wearable device), can communicate directly with BSs such as small cell BS 105f and macro BS 105e via network 100, or via a multi-step configuration with another user device relaying its information to the network, such as UE 115f transmitting temperature measurement information to smart meter UE 115g and then reporting the temperature measurement information to the network via small cell BS 105f. Network 100 can also provide additional network efficiency through dynamic low-latency TDD / FDD communication, such as V2V, V2X, C-V2X communication between UE 115i, 115j, or 115k and other UE 115, and / or vehicle-to-infrastructure (V2I) communication between UE 115i, 115j, or 115k and BS 105.

[0058] In some implementations, network 100 utilizes OFDM-based waveforms for communication. OFDM-based systems can divide the system BW into multiple (K) orthogonal subcarriers, which are often referred to as subcarriers, tones, bins, etc. Each subcarrier can be modulated with data. In some cases, the subcarrier spacing between adjacent subcarriers can be fixed, and the total number of subcarriers (K) can depend on the system BW. The system BW can also be divided into sub-bands. In other cases, the subcarrier spacing and / or duration of the TTI can be scalable.

[0059] In some respects, BS 105 can allocate or schedule transmission resources (e.g., in the form of time-frequency resource blocks (RBs)) for downlink (DL) and uplink (UL) transmissions in network 100. DL refers to the transmission direction from BS 105 to UE 115, while UL refers to the transmission direction from UE 115 to BS 105. Communication can take the form of radio frames. Radio frames can be divided into multiple (e.g., approximately 10) subframes or time slots. Each time slot can be further divided into mini-slots. In FDD mode, simultaneous UL and DL transmissions can occur in different frequency bands. For example, each subframe includes UL subframes in the UL band and DL subframes in the DL band. In TDD mode, UL and DL transmissions occur at different time periods using the same frequency band. For example, a subset of subframes in a radio frame (e.g., DL subframes) can be used for DL ​​transmission, and another subframe of a radio frame (e.g., UL subframes) can be used for UL transmission.

[0060] DL subframes and UL subframes can be further divided into several regions. For example, each DL or UL subframe can have a predefined region for transmitting reference signals, control information, and data. Reference signals are predetermined signals that facilitate communication between BS 105 and UE 115. For example, reference signals can have a specific pilot pattern or structure, where pilot tones can span an operating BW or frequency band, each located at a predefined time and predefined frequency. For example, BS 105 can transmit a cell-specific reference signal (CRS) and / or a channel state information-reference signal (CSI-RS) to enable UE 115 to estimate the DL channel. Similarly, UE 115 can transmit a sounding reference signal (SRS) to enable BS 105 to estimate the UL channel. Control information can include resource allocation and protocol control. Data can include protocol data and / or operational data. In some aspects, BS 105 and UE 115 can communicate using self-contained subframes. Self-contained subframes can include portions for DL ​​communication and portions for UL communication. Self-contained subframes can be DL-centric or UL-centric. Subframes centered on DL can include a longer duration for DL ​​communication than for UL communication. Subframes centered on UL can include a longer duration for UL communication than for UL communication.

[0061] In some respects, network 100 may be an NR network deployed on licensed spectrum. BS 105 may transmit synchronization signals (e.g., including primary synchronization signal (PSS) and secondary synchronization signal (SSS)) within network 100 to facilitate synchronization. BS 105 may broadcast system information associated with network 100 (e.g., including primary information block (MIB), residual system information (RMSI), and other system information (OSI)) to facilitate initial network access. In some cases, BS 105 may broadcast PSS, SSS, and / or MIB within the physical broadcast channel (PBCH). PSS, SSS, and MIB may be transmitted in the form of synchronization signal blocks (SSBs), and RMSI and / or OSI may be broadcast on the physical downlink shared channel (PDSCH).

[0062] In some respects, UE 115 attempting to access network 100 can perform an initial cell search by detecting the PSS from BS 105. The PSS can provide periodically timed synchronization and can indicate a physical layer identification value. UE 115 can then receive the SSS. The SSS can provide radio frame synchronization and can provide a cell identification value, which can be combined with the physical layer identification value to identify the cell. The PSS and SSS can be located in the center portion of the carrier or at any suitable frequency within the carrier.

[0063] After receiving the PSS and SSS, UE 115 can receive the PBCH signal and decode the MIB from the PBCH signal. The MIB may include system information for initial network access and scheduling information for RMSI and / or OSI. After decoding the MIB, UE 115 can receive the RMSI and / or OSI. The RMSI and / or OSI may include radio resource control (RRC) information related to the Random Access Channel (RACH) procedure, paging, control resource set (CORESET) for physical downlink control channel (PDCCH) monitoring, physical UL control channel (PUCCH), physical UL shared channel (PUSCH), power control, and SRS.

[0064] After obtaining the MIB, RMSI, and / or OSI, UE 115 can perform a random access procedure to establish a connection with BS 105. In some examples, the random access procedure can be a four-step random access procedure. For example, UE 115 can send a random access preamble, and BS 105 can respond with a random access response. The random access response (RAR) may include a detected random access preamble identifier (ID) corresponding to the random access preamble, timing advance (TA) information, UL authorization, temporary cell radio network temporary identifier (C-RNTI), and / or backoff indicator. Upon receiving the random access response, UE 115 can send a connection request to BS 105, and BS 105 can respond with a connection response. The connection response may indicate a contention resolution. In some examples, the random access preamble, RAR, connection request, and connection response may be referred to as message 1 (MSG1), message 2 (MSG2), message 3 (MSG3), and message 4 (MSG4), respectively. In some examples, the random access procedure can be a two-step random access procedure, where UE 115 can send a random access preamble and a connection request in a single transmission, and BS 105 can respond by sending a random access response and a connection response in a single transmission. The combined random access preamble and connection request in the two-step random access procedure can be referred to as message A (MSG A). The combined random access response and connection response in the two-step random access procedure can be referred to as message B (MSG B).

[0065] After the connection is established, UE 115 and BS 105 can enter the normal operation phase, during which they can exchange operational data. For example, BS 105 can schedule UE 115 for UL and / or DL ​​communications. BS 105 can send UL and / or DL ​​scheduling permissions to UE 115 via PDCCH. BS 105 can send DL communication signals to UE 115 via PDSCH based on the DL scheduling permission. UE 115 can send UL communication signals to BS 105 via PUSCH and / or PUCCH based on the UL scheduling permission. The connection can be referred to as an RRC connection. UE 115 is in an RRC connection state when it is actively exchanging data with BS 105.

[0066] In the example, after establishing a connection with BS 105, UE 115 can initiate an initial network attachment procedure with network 100. BS 105 can coordinate with various network entities, such as Access and Mobility Functions (AMF), Serving Gateway (SGW), and / or Packet Data Network Gateway (PGW), or 5G Core (5GC) entities, to complete the network attachment procedure. For example, BS 105 can coordinate with network entities in the 5GC to identify, authenticate, and / or authorize the UE to send and / or receive data in network 100. Furthermore, the AMF can assign a Tracking Area (TA) group to the UE. Once the network attachment procedure is successful, a context is established for UE 115 in the AMF. After successfully attaching to the network, UE 115 can move around the current TA. For Tracking Area Updates (TAUs), BS 105 can periodically request UE 115 to update network 100 using UE 115's location. Alternatively, UE 115 can report its location to network 100 only when entering a new TA. TAU allows network 100 to quickly locate and page UE 115 when it receives an incoming data packet or call to UE 115.

[0067] In some respects, BS 105 can use Hybrid Automatic Repeat Request (HARQ) technology to communicate with UE 115 to improve communication reliability, for example, by providing URLLC services. BS 105 can schedule UE 115 for PDSCH communication by sending a DL grant in the PDCCH. BS 105 can send DL data packets to UE 115 according to the schedule in the PDSCH. DL data packets can be sent in transport blocks (TBs). If UE 115 successfully decodes the DL data packets, UE 115 can send a HARQ acknowledgment (ACK) to BS 105. Conversely, if UE 115 fails to successfully decode the DL transmission, UE 115 can send a HARQ negative acknowledgment (NACK) to BS 105. Upon receiving a HARQ NACK from UE 115, BS 105 can retransmit the DL data packets to UE 115. The retransmission may include an encoded version of the same DL data as the initial transmission. Alternatively, the retransmission may include an encoded version of the DL data different from the initial transmission. UE 115 can apply soft combining to combine encoded data received from the initial transmission and retransmissions for decoding. BS 105 and UE 115 can also apply HARQ to UL communications using a mechanism substantially similar to DLHARQ.

[0068] In some aspects, network 100 can operate on a system BW or a component carrier (CC) BW. Network 100 can divide the system BW into multiple BWPs (e.g., multiple parts). BS 105 can dynamically assign UE 115 to operate on a specific BWP (e.g., a specific part of the system BW). The assigned BWP can be referred to as the active BWP. UE 115 can detect signaling information from BS 105 on the active BWP. BS 105 can schedule UE 115 for UL or DL ​​communications in the active BWP. In some aspects, BS 105 can assign a pair of BWPs within a CC to UE 115 for UL and DL communications. For example, a BWP pair may include a BWP for UL communications and a BWP for DL ​​communications.

[0069] Figure 2 This is a timing diagram illustrating a radio frame structure 200 according to some aspects of this disclosure. The radio frame structure 200 can be adopted by a BS such as BS 105 and a UE such as UE 115 in a network such as network 100 for communication. Specifically, the BS can communicate with the UE using time-frequency resources configured as shown in the radio frame structure 200. Figure 2In this diagram, the x-axis represents time in arbitrary units, and the y-axis represents frequency in arbitrary units. The radio frame structure 200 includes a radio frame 201. The duration of the radio frame 201 can vary depending on various factors. In this example, the radio frame 201 may have a duration of approximately 10 milliseconds. The radio frame 201 includes M time slots 202, where M can be any suitable positive integer. In this example, M may be approximately 10.

[0070] Each time slot 202 comprises multiple subcarriers 204 in frequency and multiple symbols 206 in time. The number of subcarriers 204 and / or symbols 206 in time slot 202 can vary depending on various factors, such as channel bandwidth, subcarrier spacing (SCS), and / or CP mode. One subcarrier 204 in frequency and one symbol 206 in time form a resource element (RE) 212 for transmission. A resource block (RB) 210 is formed by multiple consecutive subcarriers 204 in frequency and multiple subcarriers 206 in time.

[0071] In some respects, BS (for example, Figure 1 BS 105 in the middle can schedule the UE at a time granularity of time slot 202 or mini-slot 208 (e.g., in Figure 1 The UE (115) is used for UL and / or DL ​​communication. Each time slot 202 can be time-divided into K mini-time slots 208. Each mini-time slot 208 may include one or more symbols 206. The mini-time slots 208 in time slot 202 can have variable lengths. For example, when time slot 202 includes N symbols 206, the length of the mini-time slot 208 can be between one symbol 206 and (N-1) symbols 206. In some aspects, the mini-time slot 208 may have a length of about two symbols 206, about four symbols 206, or about seven symbols 206. In some examples, the BS may schedule the UE at the frequency granularity of resource blocks (RBs) 210 (e.g., including about 12 subcarriers 204 in 1 symbol, 2 symbols, ..., or 14 symbols).

[0072] As described above, BS 105 can send SSBs to facilitate UE 115's initial network access. Each SSB includes a PBCH, which carries a MIB indicating information associated with CORESET 0, where PDCCH type 0 may reside. The BS can send RMSI scheduling information in PDCCH type 0 (CORESET 0). This scheduling information can instruct the BS on the resources in the PDSCH where the RMSI can be sent. Figures 3-5 Various multiplexing modes for multiplexing SSB, CORESET 0, and PDSCH for RMSI are shown. Figures 3-5In the diagram, the x-axis represents time, and the y-axis represents frequency.

[0073] Figure 3 A system information multiplexing scheme 300 according to some aspects of this disclosure is shown. Scheme 300 can be adopted by network 100. In particular, a BS (e.g., BS 105) can adopt scheme 300 to transmit SSB, RMSI scheduling information and RMSI in the network, as shown in scheme 300. Scheme 300 can be used in conjunction with the above regarding... Figure 2 The described radio frame structure 200 is used in combination. For simplicity, Figure 3 Can be used with Figure 2 The same reference numerals are used in the accompanying drawings.

[0074] In scheme 300, BS 105 uses Time Division Multiplexing (TDM) multiplexing SSB 310, CORESET 320 associated with RMSI scheduling, and PDSCH 330 for RMSI transmission. For example... Figure 3As shown, SSB 310, CORESET 320, and PDSCH 330 are located in different time slots 302, 304, and 306, respectively. In some aspects, SSB 310, CORESET 320, and PDSCH 330 may be located in the same time slot 202. In other aspects, SSB 310 may be in one time slot 202, and CORESET 320 and PDSCH 330 may be in another time slot 202. In some aspects, SSB 310, CORESET 320, and PDSCH 330 may be located within the initial DL BWP 308. The initial DL BWP 308 is the default BWP used for UE 115 during initial access (before establishing an RRC connection). SSB 310 may include PSS, SSS, and MIB. SSB 310 may include pointers, indications, and / or configurations (e.g., in the MIB) indicating CORESET 320, as shown by arrow 312. CORESET 320 may be referred to as CORESET 0, where PDCCH type 0 may reside. CORESET 320 may include time-frequency resources (e.g., including one or more subcarriers 204 on a frequency and one or more symbols 206 or one or more resource blocks 210 on a time). BS may transmit RMSI scheduling information 322 (PDCCH type 0) in CORESET 320. RMSI scheduling information 322 may indicate time-frequency resources (e.g., including one or more subcarriers 204 on a frequency and one or more symbols 206 or one or more resource blocks 210 on a time), where BS 105 may transmit RMSI 332 and / or other transmission parameters related to the transmission of RMSI 332. RMSI 332 may include one or more SIBs (e.g., SIB 1, SIB 2, etc.) that provide various information (e.g., PRACH configuration) to facilitate communication with the network. In some cases, RMSI scheduling information 322 may also be referred to as SIB scheduling information.

[0075] Figure 4 A system information multiplexing scheme 400 according to some aspects of this disclosure is shown. Scheme 400 can be adopted by network 100. In particular, a BS (e.g., BS 105) can adopt scheme 400 to transmit SSB, RMSI scheduling information and RMSI in the network. Scheme 400 can be used in conjunction with the above-mentioned... Figure 2 The described radio frame structure 200 is used in conjunction with this. Scheme 400 is described using the same system information signaling structure as in Scheme 300, and for simplicity, it can be used with... Figure 3 The same reference numerals are used in the accompanying drawings.

[0076] In scheme 400, BS 105 uses frequency division multiplexing (FDM) to multiplex the SSB 310 with the RMSI CORESET 320 and PDSCH330. For example... Figure 4 As shown, CORESET 320 is located in band 406 within the initial DL BWP 308 during time period 402, PDSCH 330 is located in the same band 406 during time period 404, and SSB 310 is located in band 407, which does not overlap with band 406, during the same time period 404. In some aspects, SSB 310, CORESET 320, and PDSCH 330, which may be located therein, may be located in the same time slot 202. In some other aspects, SSB 310 and PDSCH 330 may be in one time slot 202, while CORESET 320 may be in another time slot 202. Similar to scheme 300, SSB 310 may include pointers, indications, and / or configurations indicating the location of CORESET 320, in which RMSI scheduling information 322 can be transmitted.

[0077] Figure 5 A system information multiplexing scheme 500 according to some aspects of this disclosure is illustrated. Scheme 500 can be adopted by network 100. In particular, a BS (e.g., BS 105) can adopt scheme 500 to transmit SSB, RMSI scheduling information, and RMSI in the network. Scheme 500 can be used in conjunction with the above-mentioned... Figure 2 The described radio frame structure 200 is used in conjunction with it. Scheme 500 is described using the same system information signaling structure as in Scheme 300, and for simplicity, it can use the same... Figure 3 The same reference numerals are used in the accompanying drawings.

[0078] In scheme 500, BS 105 can use FDM to multiplex SSB 310 (e.g., SSB 310) with RMSI CORESET 320 and PDSCH 330. CORESET 320 and PDSCH 330 are located in band 506 within the initial active DL BWP 308 during time period 502. SSB 310 is located in band 507, which does not overlap with band 506, during the same time period 502. Similar to schemes 300 and 400, SSB 310 may include pointers, indications, and / or configurations that can indicate the location of CORESET 320 where RMSI scheduling information 322 can be transmitted.

[0079] In some aspects, schemes 300, 400, and 500 may be referred to as Mode 1, 2, and 3, respectively. Network 100 may utilize any of Mode 1, 2, or 3 for communication in the FR1 or FR2 band. In certain aspects, network 100 may use the same set of parameters (e.g., the same SCS) for SSB transmission, CORESET 0 configuration, and RMSI transmission. In other aspects, network 100 may use one set of parameters (e.g., a first SCS) for SSB transmission and another set of parameters (e.g., a second different SCS) for CORESET 0 configuration and RMSI transmission. In some examples, in the FR1 band, BS 105 may use either a 15kHz or 30kHz SCS to transmit SSB and may use either a 15kHz or 30kHz SCS to configure CORESET 0 and transmit RMSI. Therefore, there are four combinations for the configuration and / or transmission of SSB / CORESET / RMSI in the FR1 band. In the FR2 band, the BS 105 can transmit SSB using a 120kHz or 240kHz SCS, and can configure CORESET 0 and transmit RMSI using a 60kHz or 120kHz SCS. Therefore, there are four combinations in the FR2 band for configuring and / or transmitting SSB / CORESET / RMSI. In some aspects, the BS 105 can use mode 1 (e.g., scheme 300) for any of the eight SSB / CORESET / RMSI combinations (e.g., the four combinations for FR1 and the four combinations for FR2). The BS 105 can use mode 2 (e.g., scheme 400) for some SSB / CORESET / RMSI configurations in FR2, for example, for an SSB based on a 120kHz SCS and a CORESET / RMSI based on a 60kHz SCS. The BS 105 can use mode 3 for a configuration where all SSB / CORESET / RMSI are based on a 120kHz SCS.

[0080] In some aspects, network 100 can operate in a high-frequency band, such as in frequency range 2 (FR2) band, and can use different parameter sets (e.g., different SCS) for SSB transmission, CORESET 0, and RMSI transmission. In some aspects, BS 105 can utilize a first SCS (e.g., 120 kHz) for SSB transmission and different SCSs (e.g., 480 kHz or 960 kHz) for CORESET 0 configuration and RMSI transmission. Furthermore, due to the high path loss in the FR2 band, BS 105 and / or UE 115 can apply beamforming techniques to form directional beams for transmission and / or reception. For this purpose, BS 105 and / or UE 115 can be equipped with one or more antenna panels or antenna arrays with antenna elements that can be configured to concentrate transmitted and / or received signal energy in a specific spatial direction and within a specific spatial angular sector or width. The beam used for this wireless communication can be referred to as an active beam, an optimal beam, or a serving beam.

[0081] In some respects, BS 105 can transmit an SSB set (e.g., SSB 310) over a predefined beam direction set. This SSB set can be referred to as an SSB burst set. For example, BS 105 can transmit the SSB set by scanning the predefined beam direction set (using the transmit beam set at BS 105). Simultaneously, the UE can determine the optimal receive beam based on the SSB beams. For example, the UE can scan the beam direction set (using the receive beam set at UE 115) to detect SSBs from BS 105. Once the optimal receive beam is determined, the UE can initiate a random access procedure with the BS using the determined receive beam. After the random access procedure is completed, UE 115 and BS 105 can establish a connection with each other.

[0082] In some respects, the predefined beam direction set may correspond to a set of spatial angular sectors covering the sectors served by BS 105. Therefore, BS 105 may transmit SSBs in each predefined beam direction to cover the serving sector. UE 115 located within the serving sector and / or range of BS 105 may monitor SSBs and may receive one or more SSBs. While each SSB in the SSB burst set may include similar or identical system information related to network 100, each SSB may include a distinct SSB index that uniquely identifies each SSB in the SSB burst set. For example, the SSB burst set may include 64 SSBs, each transmitted in a different beam direction within the serving sector of BS 105. SSBs may be indexed sequentially from 0 to 63. Thus, the SSB index may also be associated with the beam direction on which BS 105 transmits the SSB. As described above, the SSB may include an indication of CORESET 0 in which RMSI scheduling information (e.g., RMSI scheduling message 322) may be transmitted. When beamforming is applied, CORESET 0 can be associated with the same beam direction as the corresponding SSB. In other words, BS 105 can use a beam pointing in the same beam direction as the SSB to transmit RMSI scheduling information 322 in CORESET 0 indicated by the SSB. BS 105 can also transmit RMSIs (e.g., RMSI 332) scheduled by the RMSI scheduling information in the same beam direction as the SSB. In other words, each SSB in the SSB set is associated with CORESET 0 (e.g., CORESET 320) and an RMSI (e.g., RMSI 332). In this way, when UE 115 determines the beam direction of an SSB with a reception quality (e.g., RSRP) that meets a threshold, UE 115 can continue to monitor RMSI scheduling information and RMSIs in the same beam direction of receiving the SSB.

[0083] According to various aspects of this disclosure, BS 105 can transmit SSBs of SSB burst sets in SSB groups that are time-separated from each other during gap periods, and can configure and / or schedule CORESET 0 and SIBs associated with the SSBs during the gap periods. For example, BS 105 transmits a first SSB group of SSB burst sets in a first consecutive time slot set, and a second SSB group of SSB burst sets in a second consecutive time slot set, as will be referred to below. Figure 6A more comprehensive discussion follows. The first consecutive time slot set is separated from the second consecutive time slot set by a gap. BS 105 can configure or schedule groups of CORESETs and SIBs within the gap, wherein the group of CORESETs and SIBs includes a CORESET (e.g., CORESET 0) and at least one SIB for each SSB of the first SSB group, as will be referenced below. Figures 7A-7B and Figures 8A-8B A more comprehensive discussion follows. In some other cases, BS 105 configures or schedules groups of CORESET and SIBs within the same consecutive time slot set of transmitting SSB groups, as will be referred to below. Figures 14A-14B and Figures 15A-15B A more comprehensive discussion follows. In some respects, BS 105 can transmit SSBs in an SSB burst set based on a first SCS, and schedule and / or configure the CORESET and SIBs associated with the SSB burst set based on a second SCS. In some respects, the first SCS is the same as the second SCS. In some other respects, the first SCS differs from the second SCS. For example, the first SCS is 120 kHz and the second SCS is 480 kHz, as will be referenced below. Figures 7A-7B and Figures 14A-14B A more comprehensive discussion is needed. In another example, the first SCS is 120kHz and the second SCS is 960kHz, as will be referenced below. Figures 8A-8B and Figures 15A-15B A more comprehensive discussion is needed.

[0084] Figure 6 An SSB transmission scheme 600 according to some aspects of this disclosure is illustrated. Scheme 600 can be adopted by a BS such as BS 105 and a UE such as UE 115 in a network such as network 100 for communication. In particular, BS 105 can transmit SSBs (e.g., SSB 310) of an SSB burst set based on a first SCS (e.g., 120 kHz), as shown in scheme 600. Figure 6 In this context, the x-axis represents time in some arbitrary units.

[0085] In scheme 600, BS 105 can periodically send SSB sets (SSB burst sets). Figure 6 In the example shown, BS 105 can send an SSB set (e.g., an SSB burst set) within a 5ms window and can repeat the SSB set in each time period 602. In some examples, time period 602 can have a duration of approximately 20ms. In other examples, time period 602 can have a duration of approximately 40ms, 80ms, 160ms, or longer. Time period 602 can include similar... Figure 2 The multiple time slots of time slot 202 and 604.

[0086] For a 120kHz SCS, a time slot 604 comprising 14 OFDM symbols can span a duration of approximately 0.125ms. Therefore, as shown in enlarged view 601, there can be approximately eight time slots 604 within each 1ms time interval. For example, the SSB set can include 64 SSBs, and BS 105 can divide the SSB set into approximately four SSB groups, each containing 16 SSBs. BS 105 can transmit each SSB group in eight consecutive time slots 604, leaving approximately two time slots 604 of time interval 605 between neighboring or adjacent SSB groups. In enlarged view 601, time slots 604 shown as pattern-filled frames can carry SSBs, and time slots 604 shown as empty frames are gap periods 605. As shown in the figure, BS 105 transmits a first SSB group 610 in a first consecutive time slot set 604, a second SSB group 620 in a second consecutive time slot set 604, a third SSB group 630 in a third consecutive time slot set 607, and a fourth SSB group 640 in a fourth consecutive time slot set 604, wherein each SSB group 610 is separated from its neighboring or adjacent SSB group by a gap time period 605.

[0087] A magnified view 603 is shown for the first two time slots 604 of time period 602 (e.g., within a duration 606 of 0.25 ms). In the magnified view 603, symbols 608 in the first two time slots 604 are indexed from 0 to 27. BS 105 can transmit four SSBs (shown as 610a, 610b, 610c, and 610d, respectively) in the first SSB group 610 during duration 606. BS 105 can transmit each SSB 610a, 610b, 610c, and 610d on the four symbols 608. More specifically, BS 105 can send SSB 610a in symbols 608 with indices 4-7, SSB 610b in symbols 608 with indices 8-11, SSB 610c in symbols 608 with indices 16-19, and SSB 110d in symbols 608 with indices 20-23.

[0088] Each SSB in the SSB set may include an SSB index that uniquely identifies the SSB within the SSB set. In some aspects, SSBs may be ordered according to their SSB indices. For example, SSB 610a may include SSB index 0, SSB 610d may include SSB index 1, SSB 610c may include SSB index 2, and SSB 610d may include SSB index 3. In some other aspects, SSBs may be ordered in a different manner. BS 105 may transmit the remaining SSBs in the SSB set in a similar manner in slot 604, as shown by the pattern-filled box. The start symbol position of the SSBs in the SSB set may be represented as follows:

[0089] SSB start sign position = {4, 8, 16, 20} + 28 × n, (1)

[0090] Where n = {0, 1, 2, 3}, {5, 6, 7, 8}, {10, 11, 12, 13}, {15, 16, 17, 18}. Therefore, BS 105 can complete the transmission of 64 SSBs in the SSB set within the first 5ms of time period 602.

[0091] Figure 7A A system information multiplexing scheme 700A according to some aspects of this disclosure is illustrated. Scheme 700A can be adopted by a BS such as BS 105 and a UE such as UE 115 in a network such as network 100 for communication. In particular, BS 105 can multiplex an SSB (e.g., SSB 310) transmitted based on a first SCS 701 (e.g., 120 kHz) with CORESET 0 (e.g., CORESET 320) and SIB (e.g., RMSI 332) configured or scheduled based on a second SCS 702 (e.g., 480 kHz), as shown in scheme 700A. Figure 7A In this context, the x-axis represents time in arbitrary units. Scheme 700A is described using the same SSB transmission structure as Scheme 600, and for simplicity, it can be described using the same... Figure 6 The same reference numerals are used in the accompanying drawings.

[0092] As described above, BS 105 can time-multiplex SSBs and associated CORESETs (CORESET 0) on a SSB group and CORESET / SIB group basis. In scheme 700A, BS 105 can configure the groups of CORESETs and SIBs associated with the SSB group in the gap period 605 following the SSB group. For example, BS 105 can transmit SSB group 610 in consecutive time slots, and can configure and / or schedule the CORESETs and SIBs associated with SSB group 610 in the gap period 605 following SSB group 610. Similarly, BS 105 can transmit SSB group 620 in consecutive time slots, and can configure the CORESETs and SIBs associated with SSB group 620 in the gap period 605 following SSB group 620. BS 105 can transmit SSB group 630 in consecutive time slots, and can configure the CORESET and SIB associated with SSB group 630 in the gap period 605 following SSB group 630. BS 105 can transmit SSB group 640 in consecutive time slots, and can configure the CORESET and SIB associated with SSB group 640 in the gap period 605 following SSB group 640.

[0093] As shown in enlarged view 703, a gap period 605 comprising two time slots 604 at the first SCS 701 at 120 kHz can comprise eight time slots 704 (each time slot having 14 symbols 708) at the second SCS 702 at 480 kHz. In other words, if the time slots 704 are indexed starting from index 0 (at the beginning of time period 602), the eight time slots 704 in gap period 605 can correspond to the time slots with time slot indices 32 to 39 at the second SCS 702 at 480 kHz. BS 105 can configure two CORESETs (CORESET 0) in each time slot 704. With eight time slots 704 in each gap period 605, BS 105 can configure 16 CORESETs in each gap period 605. Each CORESET can correspond to one SSB in the SSB group transmitted in the previous time slot 604. More specifically, BS 105 can configure CORESETs in the same order as SSBs on inter-segment time 605. For example, BS 105 can configure a first CORESET of an SSB with SSB index 0 in the timeline of inter-segment time 605, followed by a second CORESET of an SSB with SSB index 1, a third CORESET of an SSB with SSB index 2, and so on.

[0094] In magnified view 705, symbol 708 in the first time slot 704 of interval period 605 is indexed from 0 to 13. Figure 7AIn the example shown, BS 105 configures CORESET 720a in symbols 708 (indexes 1-2) and CORESET 702b in symbols 8-9. CORESET 720a can be used with... Figure 6 The SSB 610a (with SSB index 0) is associated with, and the CORESET720 can be associated with Figure 6 The next SSB 610b (with SSB index 1) is associated with it.

[0095] As described above, CORESET 0 can be used to carry PDCCH type 0, where RMSI scheduling information or SIB scheduling information can be sent (e.g., RMSI scheduling message 322). BS 105 can configure PDSCH (e.g., PDSCH 330) for SIB transmission in symbols 708 adjacent to and following the corresponding CORESET 720 (e.g., RMSI 332). For this purpose, BS 105 can send SIB scheduling information associated with SSB 610a in CORESET 720a, where the SIB scheduling information can schedule SIB 730a in the PDSCH located at symbols 708 indexed 3-6 after CORESET 720. SIB 730a can occupy one or more of symbols 708 indexed 3-6. Similarly, BS 105 can send SIB scheduling information associated with SSB 610b in CORESET 720b, where the SIB scheduling information can schedule SIB 730b in the PDSCH located at symbols 708 with indices 10-13 after CORESET 720. SIB 730b can occupy one or more of symbols 708 with indices 10-13. Symbols 708 with indices 0 and 7 in each slot 704 within gap period 605 are gap symbols without configured CORESET or SIB. BS 105 can configure CORESET and send SIB for each remaining SSB of SSB group 610 within gap period 605. Subsequently, BS 105 can configure CORESET and send SIB for each remaining SSB group 620, 630, 640 within gap period 605, in a manner similar to that shown in enlarged view 705.

[0096] For example, an SSB burst set can include 64 SSBs, such as SSB 0 through SSB 63. Each SSB is associated with one beam in the set of 64 beams. SSBs and associated CORESETs and SIBs can be scheduled or configured in time in the following order: a first group of 16 SSBs (e.g., SSB 0 to SSB 15), a first group of 16 CORESETs and 16 SIBs associated with the first group of 16 SSBs, a second group of 16 SSBs (e.g., SSB 16 to SSB 31), a second group of 16 CORESETs and 16 SIBs associated with the second group of 16 SSBs, a third group of 16 SSBs (e.g., SSB 32 to SSB 47), a third group of 16 CORESETs and 16 SIBs associated with the third group of 16 SSBs, and a fourth group of 16 SSBs (e.g., SSB 48 to SSB 63), a fourth group of 16 CORESETs and 16 SIBs associated with the fourth group of 16 SSBs.

[0097] In some respects, the time position of the SSB and the corresponding time position of the CORESET can have the following relationship:

[0098] SFN c =SFN SSB n c =32+floor((i mod 16) / 2)+floor(n i (2) / 40)×40,

[0099] And for i = 4 × k + {0, 1, 2, 3}, the starting symbol index of CORESET is {0, 7, 0, 7}.

[0100] Among them, SFN c The system frame number (SFN) indicates the radio frame in which the CORESET is located (e.g., radio frame 201). SSB The system frame number n represents the radio frame in which the SSB is located (e.g., radio frame 201). c Indicates the slot index, based on the second SCS, identifying the slot in which the CORESET resides within a radio frame (e.g., slot 704), n iThe slot index is defined based on the second SCS, identifying the slot in which the SSB resides in the radio frame (e.g., slot 604), and i represents the SSB index that identifies the SSB, i mod 16 represents the remainder when i is divided by 16, and the function floor(x) generates the largest integer equal to or less than x. In other words, the slot index of slot 704 where the CORESET resides depends on the SSB index, which is the slot index of the slot in which the SSB resides. The constant value 32 in equation (2) relates to the ratio between the first SCS 701 and SCS 802 (e.g., 4), the number of SSBs in each of SSB groups 610, 620, 630 and 640 (e.g., 16), and the number of SSBs transmitted in each slot 704 (e.g., 2).

[0101] In some aspects, BS 105 may include an index in the SSB (e.g., in the MIB) pointing to a table with a single entry including equation (2). In this way, UE 115 can look up the table and use equation (2) to calculate the slot index of CORESET. In some implementations, BS 105 may include a PDCCH-configSIB1 message structure in the SSB (e.g., in the MIB), wherein the PDCCH-configSIB1 message structure may include a table index field (e.g., an 8-bit field) providing one or more table lookup indexes for determining the CORESET configuration. Since scheme 700A utilizes equation (2) to calculate the CORESET slot index, at least some bits in the table index field can be reused for other indications.

[0102] UE 115 can monitor SSBs, for example, during initial network access. Upon receiving an SSB (with SSB index i) that meets a certain threshold of reception quality (e.g., RSRP), UE 115 can determine not to monitor any other SSBs. UE 115 identifies the CORESET based on the received SSBs. For this purpose, BS 105 can obtain the SSB index from the received SSBs and identify the slot index of the slot in which the SSB was received. UE 115 can use equation (2) discussed above to calculate the slot index of the CORESET. In some cases, UE 115 can obtain equation (2) by looking up a pre-configured table based on the table index included in the SSB.

[0103] Figure 7BA system information multiplexing scheme 700B according to some aspects of this disclosure is illustrated. Scheme 700B can be adopted by a BS such as BS 10 and a UE such as UE 115 in a network such as network 100 for communication. In particular, BS 105 can multiplex an SSB (e.g., SSB 310) transmitted based on a first SCS 701 (e.g., 120 kHz) with CORESET 0 (e.g., CORESET 320) and SIB (e.g., RMSI 332) configured or scheduled based on a second SCS 702 (e.g., 480 kHz), as shown in scheme 700B. Figure 7B In this context, the x-axis represents time in some arbitrary units. Scheme 700B is essentially similar to Scheme 700A, and for simplicity, it can use... Figure 7A The same reference numerals are used in the accompanying drawings. For example, BS 105 can configure the CORESET and SIB groups associated with the SSB group in the gap period 605 after the SSB group, and the slot position of the CORESET or SIB can be determined using the same equation (2) as described above. However, compared to scheme 700B, BS 105 can use different symbols to configure the CORESET and SIB associated with the SSB group 620 in the gap period 605.

[0104] As shown in enlarged view 707, BS 105 configures CORESET 720a in symbols 708 with indices 0-1, and CORESET 702b in symbols 7-8. CORESET 720a can be used with... Figure 6 The SSB610a (with SSB index 0) is associated with, and the CORESET 720 can be associated with Figure 6 The next SSB610b (with SSB index 1) is associated with it.

[0105] BS 105 can further configure PDSCH (e.g., PDSCH 330) for SIB transmission in symbols 708 adjacent to and following the corresponding CORESET 720 (e.g., RMSI 332). For example, BS 105 can send SIB scheduling information associated with SSB 610a in CORESET 720a, where the SIB scheduling information can schedule SIB 730a in the PDSCH located at symbols 708 with indices 2-5 following CORESET 720. SIB 730a can occupy one or more of the symbols 708 with indices 2-5. Similarly, BS 105 can send SIB scheduling information associated with SSB 610b in CORESET 720b, where the SIB scheduling information can schedule SIB 730b in the PDSCH located at symbols 708 with indices 9-12 following CORESET 720. SIB 730b may occupy one or more of the symbols 708 with indices 9-12. Symbols 708 with indices 6 and 13 in each slot 704 within gap period 605 are gap symbols without configured CORESET or SIB. BS 105 may configure CORESET and send SIB for each remaining SSB of SSB group 610 within gap period 605. Subsequently, BS 105 may configure CORESET and send SIB for each remaining SSB group 620, 630, 640 within gap period 605, following the respective SSB groups 620, 630, 640, in a manner similar to that shown in enlarged view 707.

[0106] It can be observed that the multiplexing configuration in schemes 700A and 700B enables UE 115 to efficiently determine the slot location of COREST 0 based on the detected SSB, without performing complex table lookups. Furthermore, the multiplexing configuration can provide UE 115 with opportunities to save power. For example, UE 115 can calculate the slot location of COREST 0 associated with the SSB (e.g., n...). c The UE 115 operates in sleep mode until approximately the start of a time slot including CORESET 0. For this purpose, the UE 115 can configure at least some RF components or modules and / or some baseband components or modules to operate in a lower power mode (sleep state). The UE 115 can, for example, wake from sleep mode before the time slot including CORESET 0 and monitor SIB scheduling information in CORESET.

[0107] Figure 8AA system information multiplexing scheme 800A according to some aspects of this disclosure is illustrated. Scheme 800A can be adopted by a BS such as BS 105 and a UE such as UE 115 in a network such as network 100 for communication. In particular, BS 105 can multiplex an SSB (e.g., SSB 310) transmitted based on a first SCS 701 (e.g., 120 kHz) with a corresponding CORESET 0 (e.g., CORESET 320) configured based on a second SCS 802 (e.g., 960 kHz), as shown in scheme 800A. Figure 8A In this context, the x-axis represents time in arbitrary units. Scheme 800A is described using the same SSB transmission structure as Scheme 600, and for simplicity, it can be described using the same... Figure 6 The same reference numerals are used in the accompanying figures. Scheme 800A can use a substantially similar mechanism to schedule CORSESET 0 and SIB corresponding to the SSB, but BS 105 can configure one CORESET in each slot 804 at the second SCS 802.

[0108] As shown in enlarged view 803, a gap period 605 comprising two time slots 604 at the first SCS 701 at 120 kHz can comprise 16 time slots 804 (each time slot having 14 symbols 808) at the second SCS 802 at 960 kHz. In other words, if the time slots 804 are indexed starting from index 0 (at the beginning of the time period 602), the 16 time slots 804 can correspond to time slots 64 to 79 at the second SCS 802 at 960 kHz. BS 105 can configure one CORESET (CORESET0) in each time slot 804. With 16 time slots 804 in each gap period 605, BS 105 can configure 16 CORESETs in each gap period 605. Each CORESET can correspond to one SSB in the SSB group transmitted in the previous time slot 604. More specifically, BS 105 can configure CORESETs in the same order as the SSBs on the gap period 605. For example, BS 105 can configure the first CORESET of an SSB with SSB index 0 in the timeline of the intermittent period 605, then configure the second CORESET of an SSB with SSB index 1, then configure the third CORESET of an SSB with SSB index 2, and so on.

[0109] In magnified view 805, symbol 808 in the first time slot 804a of gap period 605 is indexed from 0 to 13. Similarly, symbol 808 in the second time slot 804b of gap period 605 is indexed from 0 to 13. Figure 8AIn the example shown, BS 105 configures CORESET 820a in symbols 808 with indices 1-2 in the first time slot 804a, and configures CORESET 820b in symbols with indices 1-2 in the second time slot 804b. CORESET 820a can be configured with... Figure 6 The SSB 610a (with SSB index 0) is associated with, and the CORESET 820 can be associated with Figure 6 The next SSB 610b (with SSB index 1) is associated with it.

[0110] As described above, CORESET 0 can be used to carry PDCCH type 0 in which RMSI scheduling information or SIB scheduling information (e.g., RMSI scheduling message 322) can be transmitted. BS 105 can configure PDSCH (e.g., PDSCH 330) for SIB transmission (e.g., RMSI 332) in symbols 808 adjacent to and following the corresponding CORESET 820. For this purpose, BS 105 can transmit SIB scheduling information associated with SSB 610a in CORESET 820a, wherein the SIB scheduling information can schedule SIB 830a in the PDSCH located at symbols 808 with indices 3-13 after CORESET 820 in the first time slot 804a. SIB 830a can occupy one or more of symbols 808 with indices 3-13. Similarly, BS 105 can send SIB scheduling information associated with SSB 610b in CORESET 820b, where the SIB scheduling information can schedule SIB 830b in the PDSCH located at symbols 808 with indices 3-13 after CORESET 820b in the second time slot 804b. SIB 830b can occupy one or more of symbols 808 with indices 3-13 in the second time slot 804b. Symbol 808 with index 0 in each time slot 804 within gap period 605 is a gap symbol without configured CORESET or SIB. BS 105 can configure CORESET and send SIB for each remaining SSB of SSB group 610 within gap period 605. Subsequently, BS105 can configure CORESET and send SIBs for each remaining SSB group 620, 630, 640 in an interval period 605 after the corresponding SSB groups 620, 630, 640, in a manner similar to that shown in the enlarged view 805.

[0111] For example, an SSB burst set can include 64 SSBs, such as SSB 0 through SSB 63. Each SSB is associated with one beam in the set of 64 beams. SSBs and their associated cores and SIBs can be scheduled or configured in time in the following order: a first group of 16 SSBs (e.g., SSB 0 to SSB 15), a first group of 16 cores and 16 SIBs associated with the first group of 16 SSBs, a second group of 16 SSBs (e.g., SSLB 16 to SSB 31), a second group of 16 cores and 16 SIBs associated with the second group of 16 SSBs, a third group of 16 SSBs (e.g., SSB 32 to SSB 47), a third group of 16 cores and 16 SIBs associated with the third group of 16 SSBs, and a fourth group of 16 SSBs (e.g., SSB 48 to SSB 63), a fourth group of 16 cores and 16 SIBs associated with the fourth group of 16 SSBs.

[0112] In some respects, the time position of the SSB and the corresponding time position of the CORESET can have the following relationship:

[0113] SFN c =SFN SSB n c =64+(i mod 16)+floor(n) i (80)×80, (3)

[0114] And for i = 4 × k + {0, 1, 2, 3}, the starting symbol index of CORESET is {0, 0, 0, 0}.

[0115] Among them, SFN c The system frame number (SFN) indicates the radio frame in which the CORESET is located (e.g., radio frame 201). SSB The system frame number n represents the radio frame in which the SSB is located (e.g., radio frame 201). c The slot index n represents the slot (e.g., slot 704) that identifies the CORESET within a radio frame. iThe slot index represents the slot in the radio frame that identifies the SSB (e.g., slot 604), and i represents the SSB index that identifies the SSB, i mod 16 represents the remainder when i is divided by 16, and the function floor(x) generates the largest integer equal to or less than x. In other words, the slot index of slot 704 where the CORESET is located depends on the SSB index, which is the slot index of the slot where the SSB is located. The constant value 64 in equation (3) relates to the ratio between the first SCS 701 and SCS 802 (e.g., 8), the number of SSBs in each of SSB groups 610, 620, 630 and 640 (e.g., 16), and the number of SSBs transmitted in each slot 804 (e.g., 2).

[0116] In some aspects, BS 105 may include an index in the SSB (e.g., in the MIB) pointing to a table with a single entry including equation (3). In this way, UE 115 can look up the table and use equation (3) to calculate the slot index of CORESET. In some implementations, BS 105 may include a PDCCH-configSIB1 message structure in the SSB (e.g., in the MIB), wherein the PDCCH-configSIB1 message structure may include a table index field (e.g., an 8-bit field) providing one or more table lookup indexes for determining the CORESET configuration. Since scheme 800A utilizes equation (3) to calculate the CORESET slot index, at least some bits in the table index field can be reused for other indications.

[0117] UE 115 can monitor SSBs, for example, during initial network access. Upon receiving an SSB (with SSB index i) that meets a certain threshold of reception quality (e.g., RSRP), UE 115 can determine not to monitor any other SSBs. UE 115 identifies the CORESET based on the received SSBs. For this purpose, BS 105 can obtain the SSB index from the received SSBs and identify the slot index of the slot in which the SSB was received. UE 115 can use equation (3) discussed above to calculate the slot index of the CORESET. In some cases, UE 115 can obtain equation (3) by looking up a pre-configured table based on the table index included in the SSB.

[0118] Figure 8BA system information multiplexing scheme 800B according to some aspects of this disclosure is illustrated. Scheme 800B can be adopted by a BS such as BS 105 and a UE such as UE 115 in a network such as network 100 for communication. In particular, BS 105 can multiplex an SSB (e.g., SSB 310) transmitted based on a first SCS 701 (e.g., 120 kHz) with CORESET 0 (e.g., CORESET 320) and SIB (e.g., RMSI 332) configured or scheduled based on a second SCS 702 (e.g., 960 kHz), as shown in scheme 800B. Figure 8B In this context, the x-axis represents time in some arbitrary units. Scheme 800B is essentially similar to Scheme 800A, and for simplicity, it can use... Figure 8A The same reference numerals are used in the accompanying drawings. For example, BS 105 can configure the CORESET and SIB groups associated with the SSB group in the gap period 605 after the SSB group, and the time slot position of the CORESET or SIB can be determined using the same equation (3) as described above. However, compared to scheme 800B, BS 105 can use different symbols to configure the CORESET and SIB associated with the SSB group 620 in the gap period 605.

[0119] As shown in enlarged view 807, BS 105 configures CORESET 820a in symbols 808 with indices 0-1 in the first time slot 804a, and configures CORESET 820b in symbols with indices 0-2 in the second time slot 804b. CORESET 820a can be configured with... Figure 6 The SSB 610a (with SSB index 0) is associated with, and the CORESET 820 can be associated with Figure 6 The next SSB610b (with SSB index 1) is associated with it.

[0120] BS 105 can further configure PDSCH (e.g., PDSCH 330) for SIB transmission in symbols 808 adjacent to and following the corresponding CORESET 820 (e.g., RMSI 332). For example, BS 105 can send SIB scheduling information associated with SSB 610a in CORESET 820a, where the SIB scheduling information can schedule SIB 830a in the PDSCH located at symbols 808 with indices 2-12 in the first time slot 804a. SIB 830a can occupy one or more of the symbols 808 with indices 2-12 in time slot 804a. Similarly, BS105 can send SIB scheduling information associated with SSB 610b in CORESET 820b, where the SIB scheduling information can schedule SIB 830b in the PDSCH located at symbols 808 with indices 2-12 after CORESET 820b in the second time slot 804b. SIB 830b can occupy one or more of symbols 808 with indices 2-12 in time slot 804b. Symbol 808 with index 13 in each time slot 804 within gap period 605 is a gap symbol without configured CORESET or SIB. BS 105 can configure CORESET and send SIB for each remaining SSB of SSB group 610 within gap period 605. Subsequently, BS 105 can configure CORESET and send SIBs for each remaining SSB group 620, 630, 640 in an interval period 605 after the corresponding SSB groups 620, 630, 640, in a manner similar to that shown in the enlarged view 805.

[0121] In some respects, similar to schemes 700A-700B, the multiplexing configuration in schemes 800A-800B also enables UE115 to efficiently determine the slot location of COREST 0 based on the detected SSB, without performing complex table lookups. Furthermore, the multiplexing configuration can provide UE115 with opportunities to save power, as referenced above. Figures 7A-7B The subject of discussion.

[0122] In some respects, BS 105 can employ schemes 700A, 700B, 800A, or 800B to define the timing of SSB / CORESET0 / RMSI scheduling and / or transmissions (e.g., fixed timing) using a predefined set of beam directions (e.g., using 64 different beams), but it is not necessary to use all 64 beams to transmit SSBs. In other words, some symbols configured for SSB transmission (e.g., Figure 6Symbol 608 or slot 604 may not be occupied. When using schemes 700A, 700B, 800A or 800B with fixed multiplexing configuration, BS 105 may not schedule CORESET 0 and / or SIB in those unoccupied slots.

[0123] Figure 9 This is a sequence diagram illustrating a communication method 900 for initial network access according to some aspects of this disclosure. Method 900 can be performed by a wireless network such as network 100. In this respect, method 900 is performed by BS 105 and UE 115. In some aspects, BS 105 and UE 115 can communicate with each other in a high-frequency band such as the millimeter-wave band, and beamforming techniques can be applied to form directional beams for transmission and / or reception. Method 900 can employ the methods described above. Figure 6 - A similar mechanism discussed in Figure 8. In some respects, BS 105 can utilize one or more components, such as Figure 10 The processor 1002, memory 1004, system information module 1008, transceiver 1010, modem 1012, and one or more antennas 1016 shown perform the actions of method 900. UE 115 may utilize one or more components, such as Figure 11 The processor 1102, memory 1104, system information module 1108, transceiver 1110, modem 1112, and one or more antennas 1116 shown perform the actions of method 900. As shown, method 900 includes a plurality of enumerated actions, but aspects of method 900 may include additional actions before, after, and between the enumerated actions. In some aspects, one or more of the enumerated actions may be omitted or performed in a different order.

[0124] In method 900, BS 105 can transmit SSBs in an SSB burst set within a group of time-spaced intervals, and can configure and / or schedule CORESET 0 and SIBs associated with the SSBs during the intervals. As shown, in action 910, BS 105 transmits the first SSB (e.g., SSB 610a) in the first SSB group (e.g., SSB group 610) of the SSB burst set. The first SSB can be associated with SSB index 0. For example, the first SSB can include an indication of SSB index 0. The SSB burst set can be associated with a predefined beam direction set, and BS 105 can transmit the first SSB in the first beam direction of the predefined beam direction set.

[0125] In action 912, BS 105 transmits a second SSB (e.g., SSB 610b) from the first SSB group. The second SSB may be associated with SSB index 1. For example, the first SSB may include an indication of SSB index 1. BS 105 may transmit the second SSB in the next beam direction (e.g., the second beam direction) of the beam direction set.

[0126] BS 105 can transmit all SSBs in the first SSB group, for example, each SSB in a different beam direction according to a predefined set of beam directions. For example, in action 914, BS 105 can transmit the last SSB in the first SSB group (e.g., the Kth SSB). The Kth SSB can be associated with an SSB index K-1. For example, the first SSB can include an indication of SSB index K-1. BS 105 can transmit the Kth SSB in the Kth beam direction of the beam direction set.

[0127] In some respects, BS 105 may transmit the first SSB group in the first consecutive time slot set (at actions 910-914), wherein every four SSBs are transmitted in one time slot of the first consecutive time slot set, as referenced above. Figure 6 As discussed above, BS 105 can determine the start symbol position of each SSB in the first SSB group according to equation (1) above. In some aspects, the first consecutive time slot set carrying the first SSB group may be spaced apart from the second consecutive time slot set of the second SSB group configured to carry the SSB burst set. The first and second consecutive time slot sets may be spaced apart by a gap period (e.g., gap period 605). The gap period may include resources configured and / or scheduled for the first CORESET and SSB group associated with the first SSB group.

[0128] For example, in action 920, BS 105 determines the CORESET of the first SSB group. For this, BS 105 can determine a CORESET (e.g., CORESET 0) for each SSB in the first SSB group. BS 105 can calculate the timeslot position of the CORESET based on the timeslot position of the corresponding SSB. In some aspects, BS 105 can transmit the first SSB group based on a first SCS and can configure CORESET 0 in resources (within the gap period) defined based on a second SCS. In some aspects, the first SCS is 120 kHz and the second SCS is 480 kHz, as referenced above. Figures 7A-7B As discussed above, BS 105 can determine the CORESET time slot position based on equation (2) above. In some other respects, the first SCS is 120 kHz and the second SCS is 960 kHz, as referenced above. Figures 8A-8BTherefore, BS 105 can determine the slot position of CORESET according to the above equation (3).

[0129] In action 930, after transmitting the first SSB group, BS 105 transmits first SIB scheduling information (e.g., RMSI scheduling information 322) in the first CORESET of the determined CORESET (e.g., CORESET 720a or 820a). The first SIB scheduling information is associated with the first SSB, and BS 105 may transmit the first SIB scheduling information in the same first beam direction as the first SSB. The first SIB scheduling information may indicate resources in the PDSCH (e.g., PDSCH 330).

[0130] In action 932, BS 105 transmits the first SIB (e.g., SIB730a or 830a) according to the first SIB scheduling information. For this purpose, BS 105 may transmit the first SIB in the resources indicated by the first SIB scheduling information. BS 105 may also utilize the MCS and / or other transmission parameters indicated by the first SIB scheduling information to transmit the first SIB. In some aspects, the second SCS is 480kHz, and BS 105 may schedule and / or configure the first CORESET and the first SIB as referenced above. Figure 7A (For example, as shown in enlarged view 705) or Figure 7B (For example, as discussed in enlarged view 707). In some other respects, the second SCS is 960kHz, and the BS 105 can schedule and / or configure the first CORESET and the first SIB, as referenced above. Figure 8A (For example, as shown in enlarged view 805) or Figure 8B (As discussed, for example, as shown in enlarged view 807). The first SIB is associated with the first SSB, and the BS 105 can transmit the first SIB in the same first beam direction as the first SSB.

[0131] In action 934, BS 105 transmits second SIB scheduling information (e.g., RMSI scheduling information 322) in a second CORESET of the determined CORESET (e.g., CORESET 720b or 820b). The second SIB scheduling information is associated with the second SSB, and BS 105 may transmit the second SIB scheduling information in the same second beam direction as the second SSB. The second SIB scheduling information may indicate resources in the PDSCH (e.g., PDSCH 330).

[0132] In action 936, BS 105 transmits the second SIB (e.g., SIB 730b or 830b) according to the second SIB scheduling information. For this purpose, BS 105 may transmit the second SIB in the resources indicated by the second SIB scheduling information. BS 105 may also utilize the MCS and / or other transmission parameters indicated by the second SIB scheduling information to transmit the second SIB. In some aspects, the second SCS is 480kHz, and BS 105 may schedule and / or configure the second CORESET and the second SIB, as referenced above. Figure 7A (For example, as shown in enlarged view 705) or Figure 7B (For example, as discussed in enlarged view 707). In some other respects, the second SCS is 960kHz, and the BS 105 can schedule and / or configure the second CORESET and the second SIB, as referenced above. Figure 8A (For example, as shown in enlarged view 805) or Figure 8B (As discussed, for example, as shown in enlarged view 807). The second SIB is associated with the second SSB, and BS 105 can transmit the second SIB in the same second beam direction as the second SSLB.

[0133] BS 105 may continue to transmit SIB scheduling information and SIBs for all SSBs in the first SSB group. For example, in action 938, BS 105 may transmit the last SIB scheduling information (e.g., the Kth SIB scheduling information) for the first SSB group. The Kth SIB scheduling information is associated with the Kth SSB, and BS 105 may transmit the Kth SIB scheduling information in the same Kth beam direction as the Kth SSB. The Kth SIB scheduling information may indicate resources in the PDSCH (e.g., PDSCH 330).

[0134] In action 940, BS 105 transmits the Kth SIB (e.g., SIB 730b or 830b) according to the Kth SIB scheduling information. BS 105 may transmit the Kth SIB in the resources indicated by the Kth SIB scheduling information. BS 105 may also transmit a second SIB using the MCS and / or other transmission parameters indicated by the Kth SIB scheduling information. In some aspects, the second SCS is 480kHz, and BS 105 may schedule and / or configure the Kth CORESET and the Kth SIB, as referenced above. Figure 7A (For example, as shown in enlarged view 705) or Figure 7B (For example, as discussed in enlarged view 707). In some other respects, the second SCS is 960kHz, and the BS 105 is scheduleable and / or configurable for the Kth CORESET and the Kth SIB, as referenced above. Figure 8A(For example, as shown in enlarged view 805) or Figure 8B (As discussed, for example, as shown in enlarged view 807). The Kth SIB is associated with the Kth SSB, and BS 105 can transmit the Kth SIB in the same Kth beam direction as the Kth SSB.

[0135] In action 950, UE 115 may, for example, monitor SSBs from BS 105 based on a first SCS. In some cases, UE 115 may scan one or more beam directions from a predefined set of beam directions to monitor SSBs. UE 115 may determine the received signal measurement (e.g., RSRP) for each detected SSB and may determine whether the received signal measurement meets a predetermined threshold. UE 115 may determine the optimal beam direction for communicating with BS 105. For example, UE 115 may determine that a second SSB in a second beam direction among the detected SSBs (transmitted by BS 105 at action 912) provides the best reception quality (e.g., highest RSRP), or at least provides reception quality that meets a specific threshold.

[0136] In action 960, UE 115 identifies the CORESET based on the second SSB. In some respects, the second SSB is 480kHz, and the second UE 115 can be referenced above. Figures 7A-7B Equation (2) discussed determines the slot location of the CORESET. In some respects, the second SCS is 960 kHz, and the second UE 115 can be referenced above. Figures 8A-8B Equation (3) is discussed to determine the slot position of the CORESET. The CORESET may correspond to the second CORESET.

[0137] In action 970, UE 115 monitors SIB scheduling information in the second CORESET based on the second SCS. UE 115 can receive the second SIB scheduling information (sent by BS 105 at action 934).

[0138] In action 980, upon receiving the second SIB scheduling information, UE 115 receives the second SIB according to the second SIB scheduling information.

[0139] Subsequently, BS 105 can transmit the second SSB group using operations similar to those in actions 910 to 914, followed by transmitting the SIB scheduling information and SIB associated with the second SSB group using operations similar to those in actions 930 to 940. BS 105 can continue until all SSB groups and their associated SIB scheduling information and SIBs (of the SSB burst set) have been transmitted. BS 105 can repeat the transmission of the SSB burst set and associated SIB scheduling information and SIBs at specific intervals (e.g., approximately 20ms, 40ms, 80ms, or 160ms). In some other respects, BS 105 may not transmit all SSBs in the SSB burst set, but may still schedule and / or configure the associated CORESET and SIBs within the same symbols during the same intervals as when transmitting all SSBs.

[0140] Figure 10 This is a block diagram of an exemplary BS 1000 according to some aspects of this disclosure. The BS 1000 can be as described above. Figure 1 The network 100 discussed herein includes a BS 105. As shown, the BS 1000 may include a processor 1002, a memory 1004, a system information module 1008, a transceiver 1010 including a modem subsystem 1012 and an RF unit 1014, and one or more antennas 1016. These components may be coupled to each other. The term "coupled" can refer to direct or indirect coupling or connection to one or more intervening components. For example, these components may communicate directly or indirectly with each other, such as via one or more buses.

[0141] Processor 1002 may have various features as a particular type of processor. For example, these may include a CPU, DSP, ASIC, controller, FPGA device, another hardware device, firmware device, or any combination thereof, configured to perform the operations described herein. Processor 1002 may also be implemented as a combination of computing devices, such as a combination of a DSP and a microprocessor, multiple microprocessors, one or more microprocessors combined with a DSP core, or any other such configuration.

[0142] Memory 1004 may include cache memory (e.g., cache memory of processor 1002), RAM, MRAM, ROM, PROM, EPROM, EEPROM, flash memory, solid-state storage devices, one or more hard disk drives, memristor-based arrays, other forms of volatile and non-volatile memory, or combinations of different types of memory. In some aspects, memory 1004 may include non-transitory computer-readable media. Memory 1004 may store instructions 1006. Instructions 1006 may include instructions that, when executed by processor 1002, cause processor 1002 to perform the operations described herein, such as... Figures 1-2 and Figures 6-9 as well as Figure 13 Instructions 1006 may also be referred to as program code. Program code can be used to cause wireless communication devices to perform these operations, for example, by causing one or more processors (such as processor 1002) to control or command the wireless communication devices. The terms "instruction" and "code" should be interpreted broadly to include any type of computer-readable statement. For example, the terms "instruction" and "code" can refer to one or more programs, routines, subroutines, functions, procedures, etc. "Instruction" or "code" may include a single computer-readable statement or many computer-readable statements.

[0143] System information module 1008 can be implemented through hardware, software, or a combination thereof. For example, system information module 1008 can be implemented as a processor, circuitry, and / or instructions 1006 stored in memory 1004 and executed by processor 1002. In some examples, system information module 1008 can be integrated within modem subsystem 1012. For example, system information module 1008 can be implemented through a combination of software components (e.g., executed by a DSP or general-purpose processor) and hardware components (e.g., logic gates and circuitry) within modem subsystem 1012.

[0144] The system information module 1008 can communicate with various components of the BS 1000 to perform various aspects of this disclosure, such as... Figures 1-2 and Figures 6-9 as well as Figure 13 Various aspects. System information module 1008 is configured to transmit a first SSB group and a second SSB group of SSB burst sets. In some cases, the SSB burst sets may be associated with a predefined beam direction set. The first SSB group and the second SSB group are time-spaced by resources associated with CORESET and SIB groups. The CORESET and SIB groups include a CORESET and at least one SIB for each SSB of the first SSB group.

[0145] In some respects, the CORESET and SIB groups are associated with the first SSB group and are located in the intervening period following the first SSB group (e.g., as...). Figures 7A-7B and Figures 8A-8B (As shown). In other respects, the CORESET and SIB groups are associated with the first SSB group and are located in the intervening period preceding the first SSB group (e.g., as shown). Figures 14A-14B and Figures 15A-15B (As shown).

[0146] In some respects, the first SSB group and the second SSB group are associated with the first SCS, and the CORESET and SIB groups are associated with the second SCS. In some respects, the first SCS and the second SCS are the same. In some respects, the first SCS and the second SCS are different. The system information module 1008 is also configured to determine the time position of the first CORESET. In some respects, when the first SCS is 120 kHz and the second SCS is 480 kHz, the determination of the position of the first CORESET is as described herein. Figures 7A-7B or Figures 14A-14B The following is discussed. In other respects, when the first SCS is 120 kHz and the second SCS is 960 kHz, the determination of the first CORESET position is as described in the references herein. Figures 8A-8B or Figures 15A-15B The discussion.

[0147] The system information module 1008 is also configured to send SIB scheduling information in the first CORESET within the CORESET and SIB group, and to send the first SIB within the CORESET and SIB group based on the SIB scheduling information.

[0148] As shown in the figure, transceiver 1010 may include modem subsystem 1012 and RF unit 1014. Transceiver 1010 may be configured to communicate bidirectionally with other devices such as UE 115 and / or another core network element. Modem subsystem 1012 may be configured to modulate and / or encode data according to MCS (e.g., LDPC coding scheme, turbo coding scheme, convolutional coding scheme, digital beamforming scheme, etc.). RF unit 1014 may be configured to process (e.g., perform analog-to-digital conversion or digital-to-analog conversion, etc.) modulated / coded data (e.g., RRC configuration, SSB, SIB scheduling information, SIB) transmitted from modem subsystem 1012 (during outbound transmission) or from another source such as UE 115. RF unit 1014 may be further configured to perform analog beamforming in conjunction with digital beamforming. Although the modem subsystem 1012 and / or RF unit 1014 are shown as integrated together in transceiver 1010, they can be separate devices coupled together at BS 105 to enable BS 105 to communicate with other devices.

[0149] RF unit 1014 can provide modulated and / or processed data, such as data packets (or, more generally, data messages containing one or more data packets and other information), to antenna 1016 for transmission to one or more other devices. Antenna 1016 can also receive data messages transmitted from other devices and provide the received data messages for processing and / or demodulation at transceiver 1010. Transceiver 1010 can provide the demodulated and decoded data to system information module 1008 for processing. Antenna 1016 may include multiple antennas of similar or different designs to maintain multiple transmission links.

[0150] In one aspect, the BS 1000 may include multiple transceivers 1010 implementing different RATs (e.g., NR and LTE). In another aspect, the BS 1000 may include a single transceiver 1010 implementing multiple RATs (e.g., NR and LTE). In yet another aspect, the transceiver 1010 may include various components, wherein different combinations of the components can implement different RATs.

[0151] Figure 11 This is a block diagram of an exemplary UE 1100 according to some aspects of this disclosure. UE 1100 may be as described above regarding... Figure 1 The UE 115 is described above. As shown, the UE 1100 may include a processor 1102, a memory 1104, a system information module 1108, a transceiver 1110 including a modem subsystem 1112 and a radio frequency (RF) unit 1114, and one or more antennas 1116. These components may be coupled to each other. The term "coupled" can refer to direct or indirect coupling or connection to one or more intervening components. For example, these components may communicate directly or indirectly with each other, such as via one or more buses.

[0152] Processor 1102 may include a central processing unit (CPU), a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a controller, a field-programmable gate array (FPGA) device, another hardware device, a firmware device, or any combination thereof, configured to perform the operations described herein. Processor 1102 may also be implemented as a combination of computing devices, such as a combination of a DSP and a microprocessor, multiple microprocessors, one or more microprocessors combined with a DSP core, or any other such configuration.

[0153] Memory 1104 may include cache memory (e.g., cache memory of processor 1102), random access memory (RAM), magnetoresistive RAM (MRAM), read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), flash memory, solid-state storage devices, hard disk drives, other forms of volatile and non-volatile memory, or combinations of different types of memory. In one aspect, memory 1104 includes a non-transitory computer-readable medium. Memory 1104 may store instructions 1106, or instructions 1106 may have been recorded thereon. Instructions 1106 may include, when executed by processor 1102, causing processor 1102 to perform the actions described herein in conjunction with aspects of the present disclosure (e.g., UE 115). Figures 1-2 and Figures 6-9 as well as Figure 12 Instructions describing the operations in various aspects. Instruction 1106 can also be called program code, which can be broadly interpreted as including the above-mentioned... Figure 10 Any type of computer-readable statement discussed.

[0154] System information module 1108 can be implemented by hardware, software, or a combination thereof. For example, system information module 1108 can be implemented as a processor, circuitry, and / or instructions 1106 stored in memory 1104 and executed by processor 1102. In some examples, system information module 1108 can be integrated within modem subsystem 1112. For example, system information module 1108 can be implemented by a combination of software components (e.g., executed by a DSP or general-purpose processor) and hardware components (e.g., logic gates and circuitry) within modem subsystem 1112.

[0155] The system information module 1108 can communicate with various components of the UE 1100 to perform various aspects of this disclosure, such as, Figures 1-2 and Figures 6-9 as well as Figure 12 In some aspects, the system information module 1108 is configured to receive a first SSB from a first SSB group of an SSB burst set from a BS (e.g., BS 105 or 1000). In some cases, the SSB burst set may be associated with a predefined beam direction set. The first and second SSB groups of the SSB burst set are time-spaced by resources associated with groups of CORESETs and SIBs. The CORESET and SIB groups include a CORESET and at least one SIB for each SSB of the first SSB group.

[0156] In some respects, the CORESET and SIB groups are associated with the first SSB group and are located in the intervening period following the first SSB group (e.g., as...). Figures 7A-7B and Figures 8A-8B (As shown). In other respects, the CORESET and SIB groups are associated with the first SSB group and are located in the intervening period preceding the first SSB group (e.g., as shown). Figures 14A-14B and Figures 15A-15B (As shown).

[0157] In some respects, the first SSB group and the second SSB group are associated with the first SCS, and the CORESET and SIB groups are associated with the second SCS. In some respects, the first SCS and the second SCS are the same. In some respects, the first SCS and the second SCS are different. The system information module 1108 is also configured to identify the first CORESET based on the first SSB, wherein the first CORESET is within the CORESET and SIB groups. In some respects, when the first SCS is 120 kHz and the second SCS is 480 kHz, as referenced herein... Figures 7A-7B or Figures 14A-14B The identification of the first CORESET position is discussed. In other respects, when the first SCS is 120 kHz and the second SCS is 960 kHz, as referenced herein... Figures 8A-8B or Figures 15A-15B The identification of the first CORESET position is discussed.

[0158] The system information module 1108 is also configured to monitor SIB scheduling information in the first CORESET and receive the first SIB in the CORESET and SIB group based on the SIB scheduling information.

[0159] As shown in the figure, transceiver 1110 may include modem subsystem 1112 and RF unit 1114. Transceiver 1110 may be configured to communicate bidirectionally with other devices such as BS 105. Modem subsystem 1112 may be configured to modulate and / or encode data from memory 1104 and / or system information module 1108 according to modulation and coding schemes (MCS), such as low-density parity-check (LDPC) coding scheme, turbo coding scheme, convolutional coding scheme, digital beamforming scheme, etc. RF unit 1114 may be configured to process (e.g., perform analog-to-digital conversion or digital-to-analog conversion, etc.) the modulated / coded data from modem subsystem 1112 (on outbound transmissions) or transmissions originating from another source such as UE 115 or BS 105. RF unit 1114 may be further configured to perform analog beamforming in conjunction with digital beamforming. Although shown as being integrated together in transceiver 1110, modem subsystem 1112 and RF unit 1114 may be separate devices coupled together at UE 115 to enable UE 115 to communicate with other devices.

[0160] RF unit 1114 can provide modulated and / or processed data, such as data packets (or, more generally, data messages that may include one or more data packets and other information), to antenna 1116 for transmission to one or more other devices. Antenna 1116 can also receive data messages transmitted from other devices. Antenna 1116 can provide received data messages for processing and / or demodulation at transceiver 1110. Transceiver 1110 can provide demodulated and decoded data (e.g., RRC configuration, SSB, SIB scheduling information, SIB) to system information module 1108 for processing. Antenna 1116 may include multiple antennas of similar or different designs to maintain multiple transmission links. RF unit 1114 can configure antenna 1116.

[0161] In one aspect, UE 1100 may include multiple transceivers 1110 implementing different RATs (e.g., NR and LTE). In another aspect, UE 1100 may include a single transceiver 1110 implementing multiple RATs (e.g., NR and LTE). In yet another aspect, transceiver 1110 may include various components, wherein different combinations of components can implement different RATs.

[0162] Figure 12This is a flowchart of a wireless communication method 1200 according to some aspects of this disclosure. Aspects of method 1200 can be performed by a computing device of a wireless communication device (e.g., a processor, processing circuitry, and / or other suitable components) or other suitable means for performing these steps. For example, a wireless communication device such as UE 115 or 1100 can utilize one or more components such as processor 1102, memory 1104, system information module 1108, transceiver 1110, modem 1112, and one or more antennas 1116 to perform the steps of method 1200. Method 1200 can adopt the same approach as described above. Figures 6-9 A similar mechanism is described in [the document]. As shown in the figure, method 1200 includes multiple enumerated steps, but aspects of method 1200 may include additional steps before, after, and between the enumerated steps. In some aspects, one or more of the enumerated steps may be omitted or performed in a different order.

[0163] In box 1210, the UE (e.g., UE 115 or 1100) receives the first SSB from the first SSB group of the SSB burst set from the BS (e.g., BS 105 or 1000). The first and second SSB groups of the SSB burst set are time-spaced by resources associated with CORESET and SIB groups. For each SSB in the first SSB group, the CORESET and SIB groups include one CORESET and at least one SIB. In some respects, the SSB burst set may be associated with a predefined beam direction set and may span a duration of approximately 5 ms.

[0164] In some respects, the CORESET and SIB groups are associated with the first SSB group and are located in the intervening period following the first SSB group (e.g., as...). Figures 7A-7B and Figures 8A-8B (As shown). In other respects, the CORESET and SIB groups are associated with the first SSB group and are located in the intervening period preceding the first SSB group (e.g., as shown). Figures 14A-14B and Figures 15A-15B (As shown).

[0165] In some aspects, the first SSB group and the second SSB group are associated with the first SCS, and the CORESET and SIB groups are associated with the second SCS. In some aspects, the first SCS and the second SCS are the same. In some aspects, the first SCS and the second SCS are different. In some aspects, the first SCS is 120kHz, the second SCS is 480kHz, the CORESET and SIB groups are in consecutive time slots defined based on the second SCS, and each consecutive time slot includes two CORESETs from the CORESET and SIB groups. In some other aspects, the first SCS is 120kHz, the second SCS is 960kHz, the CORESET and SIB groups are in consecutive time slots defined based on the second SCS, and each consecutive time slot includes one CORESET from the CORESET and SIB groups. In some aspects, the UE may utilize one or more components, such as Figure 11 The processor 1102, memory 1104, system information module 1108, transceiver 1110, modem 1112, and one or more antennas 1116 shown perform the operations at block 1210.

[0166] In block 1220, the UE receives SIB scheduling information in the first CORESET based on the first SSB and the SIB group. For example, the UE can identify the first CORESET based on the first SSB and monitor SIB scheduling information in the first CORESET. The UE can determine the time position of the first CORESET based on the SSB index indicated by the first SSB, the first SCS, the second SCS, and / or the time slot index of the time slot in which the first SSB is received. In some aspects, the UE determines the time slot index n of the first CORESET. c In some respects, the first SCS is 120 kHz, the second SCS is 480 kHz, and the UE can determine the slot index n according to the above equation (2). c In some other respects, the first SCS is 120 kHz, the second SCS is 960 kHz, and the UE can determine the slot index n according to the above equation (3). c In some aspects, the UE can utilize one or more components, such as Figure 11 The processor 1102, memory 1104, system information module 1108, transceiver 1110, modem 1112, and one or more antennas 1116 shown here perform the operations at block 1220.

[0167] In block 1230, the UE receives the CORESET and the first SIB in the SIB group based on SIB scheduling information. In some aspects, the first CORESET identified at block 1220 is received in a first symbol set within a first time slot, and the first SIB is received in a second symbol set within the first time slot. In some aspects, the UE may utilize one or more components, such as... Figure 11 The processor 1102, memory 1104, system information module 1108, transceiver 1110, modem 1112, and one or more antennas 1116 shown here perform the operation at block 1230.

[0168] Figure 13 This is a flowchart of a wireless communication method 1300 according to some aspects of this disclosure. Aspects of method 1300 can be performed by a computing device of a wireless communication apparatus (e.g., a processor, processing circuitry, and / or other suitable components) or other suitable means for performing these steps. For example, a wireless communication apparatus such as BS 105 or 1000 can utilize one or more components such as processor 1002, memory 1004, system information module 1008, transceiver 1010, modem 1012, and one or more antennas 1016 to perform the steps of method 1300. Method 1300 can employ the same methods described above. Figures 6-9 A similar mechanism is described in [the document]. As shown in the figure, method 1300 includes multiple enumerated steps, but aspects of method 1300 may include additional steps before, after, and between the enumerated steps. In some aspects, one or more of the enumerated steps may be omitted or performed in a different order.

[0169] In box 1310, the BS (e.g., BS 105 or 1000) transmits a first and a second SSB group of SSB burst sets. The first and second SSB groups are time-spaced by CORESET and SIB groups. For each SSB in the first SSB group, the CORESET and SIB groups include one CORESET and at least one SIB. In some respects, the SSB burst sets can be associated with a predefined beam direction set and can span a duration of approximately 5 ms.

[0170] In some respects, the CORESET and SIB groups are associated with the first SSB group and are located in the intervening period following the first SSB group (e.g., as...). Figures 7A-7B and Figures 8A-8B (As shown). In other respects, the CORESET and SIB groups are associated with the first SSB group and are located in the intervening period preceding the first SSB group (e.g., as shown). Figures 14A-14B and Figures 15A-15B (As shown).

[0171] In some aspects, the first SSB group and the second SSB group are associated with the first SCS, and the CORESET and SIB groups are associated with the second SCS. In some aspects, the first SCS is the same as the second SCS. In some aspects, the first SCS is different from the second SCS. In some aspects, the first SCS is 120 kHz, the second SCS is 480 kHz, the CORESET and SIB groups are in consecutive time slots defined based on the second SCS, and each consecutive time slot includes two CORESETs from the CORESET and SIB groups. In some other aspects, the first SCS is 120 kHz, the second SCS is 960 kHz, the CORESET and SIB groups are in consecutive time slots defined based on the second SCS, and each consecutive time slot includes one CORESET from the CORESET and SIB groups. In some aspects, the BS may utilize one or more components, such as Figure 10 The processor 1002, memory 1004, system information module 1008, transceiver 1010, modem 1012 and one or more antennas 1016 shown perform the operation at block 1310.

[0172] In box 1320, the BS sends SIB scheduling information in the first CORESET within the CORESET and SIB group. In some respects, the BS may utilize one or more components, such as Figure 10 The processor 1002, memory 1004, system information module 1008, transceiver 1010, modem 1012 and one or more antennas 1016 shown here perform the operation at block 1320.

[0173] In box 1330, the BS sends the CORESET and the first SIB in the SIB group based on SIB scheduling information. In some aspects, the BS may utilize one or more components, such as Figure 10 The processor 1002, memory 1004, system information module 1008, transceiver 1010, modem 1012, and one or more antennas 1016 shown here perform the operation at block 1330.

[0174] In some respects, BS further determines the slot index n used for the first CORESET. c In some respects, the first SCS is 120kHz, the second SCS is 480kHz, and the BS can be referenced above. Figures 7A-7B Equation (2) describes the determination of the time slot index n. c In some other respects, the first SCS is 120kHz, the second SCS is 960kHz, and the BS can be referenced above. Figures 8A-8B Equation (3) describes the determination of the time slot index n. cIn some respects, the first CORESET is transmitted in the first symbol set within the first time slot, and the first SIB is transmitted in the second symbol set within the first time slot.

[0175] Figures 14A-14B A system information multiplexing scheme 1400 according to some aspects of this disclosure is illustrated. Scheme 1400 can be adopted by a BS such as BS 105 and a UE such as UE 115 in a network such as network 100 for communication. In particular, BS 105 can multiplex an SSB (e.g., SSB 310) transmitted based on a first SCS 701 (e.g., 120 kHz) with CORESET 0 (e.g., CORESET 320) and SIB (e.g., RMSI 332) configured or scheduled based on a second SCS 702 (e.g., 480 kHz), as shown in scheme 1400. Figure 14A and Figure 14B In the diagram, the x-axis represents time in some arbitrary units. Scheme 1400 is described using the same SSB transmission structure as in Scheme 600 and the same SCS configuration as in Schemes 700A-700B, and for simplicity, it can be described using the same... Figure 6 and Figures 7A-7B The same reference numerals are used in the accompanying drawings.

[0176] As described above, BS 105 can time-multiplex SSBs and associated CORESETs (CORESET 0) on a SSB group and CORESET / SIB group basis. In contrast to schemes 700A and 700B, BS 105 configures and / or schedules CORESETs and SIBs within the same consecutive time slot group for transmitting SSB groups (using gap periods or gap symbols in the consecutive time slot set).

[0177] Figure 14A and Figure 14B It shows Figure 6The same magnified views 601 and 603 are shown. As can be seen in magnified view 603, symbols 608 with indices 0-3 before SSBs 610a and 610b are unoccupied (gap period 1405 indicated by empty filled boxes). Similarly, symbols 608 with indices 12-15 before SSBs 610c and 610d are unoccupied (gap period 1405 indicated by empty filled boxes). In scheme 1400, BS 105 can configure and / or schedule CORESET / SIB groups for each pair of SSB subgroups during the gap period 1405 (as shown in 1405a and 1405b) before the two SSB subgroups. For example, BS 105 can configure and / or schedule the CORESET / SIB group for two SSBs 610a and 610b in symbols 608 of indices 0-3, and can configure and / or schedule the CORESET / SIB group for two SSBs 610c and 610d in symbols 608 of indices 12-15.

[0178] The interval 1405, which includes four symbols 608 at the first SCS 701 at 120 kHz, can include 16 symbols 1408 at the second SCS 702 at 480 kHz. (Reference) Figure 14AIn the enlarged view 1403, symbols 1408 in interval 1405a are indexed from 0 to 15, and the vertical dashed lines at the beginning of symbols 1404 with indices 0, 7, and 14 are slot / mini-slot boundaries. BS 105 can configure CORESET 720a for SSB 610a in symbols 1408 with indices 0-1, and can configure CORESET 720b for SSB 610b in symbols 1408 with indices 7-8. CORESET 720a and CORESET 720b are aligned to slot / mini-slot boundaries. BS 105 can configure PDSCH (e.g., PDSCH 330) for SIB transmissions (e.g., RMSI 332) in symbols 1408 adjacent to and following the corresponding CORESET 720. In response, BS 105 can send SIB scheduling information associated with SSB 610a in CORESET 720a, where the SIB scheduling information can schedule SIB 730a in the PDSCH located at symbols 1408 with indices 2-5 after CORESET 720. SIB 730a can occupy one or more of symbols 1408 with indices 2-5. Similarly, BS 105 can send SIB scheduling information associated with SSB 610b in CORESET 720b, where the SIB scheduling information can schedule SIB 730b in the PDSCH located at symbols 1408 with indices 9-12 after CORESET 720. SIB 730b can occupy one or more of symbols 1408 with indices 9-12.

[0179] refer to Figure 14BIn the enlarged view 1407, symbols 1408 in interval 1405b are indexed from 48 to 63, and the vertical dashed lines indexed at the beginning of symbols 1408 (49, 56, and 63) are slot / mini-slot boundaries. BS 105 can configure CORESET 720c for SSB 610c in symbols 1408 indexed at 49-50, and can configure CORESET 720d for SSB 610d in symbols 1404 indexed at 56-57. CORESET 720c and CORESET 720d are aligned to slot / mini-slot boundaries. BS 105 can configure PDSCH (e.g., PDSCH 330) for SIB transmissions in symbols 1408 adjacent to and following the corresponding CORESET 720 (e.g., RMSI 332). In response, BS 105 can send SIB scheduling information associated with SSB 610c in CORESET 720c, whereby SIB 730c can be scheduled in the PDSCH at symbols 1408 with indices 51-54 following CORESET 720c. SIB 730c can occupy one or more of symbols 1408 with indices 51-54. Similarly, BS 105 can send SIB scheduling information associated with SSB 610d in CORESET 720d, whereby SIB 730d can be scheduled in the PDSCH at symbols 1408 with indices 58-61 following CORESET 720d. SIB 730d can occupy one or more of symbols 1408 with indices 58-61.

[0180] BS 105 can be as follows Figure 14A Enlarged view 1403 and / or Figure 14B Similar to the enlarged view 1407, a CORESET is configured and an SIB is sent for each remaining SSB in SSB groups 610, 620, 630, and 640. Typically, the time slot position of an SSB and the time position of its corresponding CORESET can have the following relationship:

[0181] SFN c =SFN SSB n c =40×k+{0, 0, 3, 4}, (4)

[0182] And for i = 4 × k + {0, 1, 2, 3}, the starting symbol index of CORESET is {0, 7, 7, 0}, and i represents the SSB index, and the slot index n c Based on the second SCS.

[0183] Figures 15A-15B A system information multiplexing scheme 1500 according to some aspects of this disclosure is illustrated. Scheme 1500 can be adopted by a BS such as BS 105 and a UE such as UE 115 in a network such as network 100 for communication. In particular, BS 105 can multiplex an SSB (e.g., SSB 310) transmitted based on a first SCS 701 (e.g., 120 kHz) with CORESET 0 (e.g., CORESET 320) and SIB (e.g., RMSI 332) configured or scheduled based on a second SCS 802 (e.g., 960 kHz), as shown in scheme 1500. Figure 15A and Figure 15B In this context, the x-axis represents time in arbitrary units. Scheme 1500 is described using the same SSB transmission structure as Scheme 600 and the same SCS configuration as Schemes 800A-800B, and for simplicity, it can be described using the same... Figure 6 and Figures 8A-8B The same reference numerals are used in the accompanying drawings.

[0184] As described above, BS 105 can time-multiplex SSBs and associated CORESETs (CORESET 0) on a SSB group and CORESET / SIB group basis. In contrast to schemes 800A and 800B, BS 105 configures and / or schedules CORESETs and SIBs within the same consecutive time slot set for transmitting SSB groups (using gap periods or gap symbols within the consecutive time slot set).

[0185] Figure 15A and Figure 15B It shows Figure 6 The same magnified views 601 and 603 are shown. As can be seen in magnified view 603, symbols 608 with indices 0-3 before SSBs 610a and 610b are unoccupied (gap period 1405 indicated by empty filled boxes). Similarly, symbols 608 with indices 12-15 before SSBs 610c and 610d are unoccupied (gap period 1405 indicated by empty filled boxes). In scheme 1500, BS 105 can configure and / or schedule CORESET / SIB groups for each pair of SSB subgroups in the gap period 1405 (as shown in 1405a and 1405b) before the two SSB subgroups. For example, BS105 can configure and / or schedule CORESET / SIB groups for two SSBs 610a and 610b in symbols 608 with indices 0-3, and can configure and / or schedule CORESET / SIB groups for two sub-SSBs 610c and 610d in symbols 608 with indices 12-15.

[0186] The interval 1405, which includes four symbols 608 at the first SCS 701 at 120 kHz, can include 32 symbols 1408 at the second SCS 802 at 960 kHz. (Reference) Figure 15A In the enlarged view 1503, symbols 1508 in interval 1405a are indexed from 0 to 31, and the vertical dashed lines at the beginning of symbols 1504 with indices 0, 14, and 28 are time slot boundaries. BS 105 can configure CORESET 820a for SSB 610a in symbols 1508 with indices 0-1, and can configure CORESET 820b for SSB 610b in symbols 1408 with indices 14-15. CORESET 820a and CORESET 820b are aligned with mini-time slot boundaries. BS 105 can configure PDSCH (e.g., PDSCH 330) for SIB transmissions in symbols 1508 adjacent to and following the corresponding CORESET 820 (e.g., RMSI 332). In response, BS 105 can send SIB scheduling information associated with SSB 610a in CORESET 820a, where the SIB scheduling information can schedule SIB 830a in the PDSCH located at symbols 1508 with indices 2-12 following CORESET 820. SIB 830a can occupy one or more of symbols 1508 with indices 2-12. Similarly, BS 105 can send SIB scheduling information associated with SSB 610b in CORESET 820b, where the SIB scheduling information can schedule SIB 830b in the PDSCH located at symbols 1508 with indices 16-26 following CORESET 820. SIB 830b can occupy one or more of symbols 1408 with indices 16-26.

[0187] refer to Figure 15BIn the enlarged view 1507, symbols 1508 in interval 1405b are indexed from 96 to 127, and the vertical dashed lines at the beginning of symbols 1508 indexed at 98, 112, and 126 are time slot boundaries. BS 105 can configure CORESET 820c for SSB 610c in symbols 1508 indexed at 98-99, and can configure CORESET 820d for SSB 610d in symbols 1505 indexed at 112-113. CORESET 820c and CORESET 820d are aligned to the time slot boundaries. BS 105 can configure PDSCH (e.g., PDSCH 330) for SIB transmissions in symbols 1508 adjacent to and following the corresponding CORESET 820 (e.g., RMSI 332). In response, BS 105 can send SIB scheduling information associated with SSB 610c in CORESET 820c, whereby SIB 830c can be scheduled in the PDSCH at symbols 1508 with indices 100-110 following CORESET 820c. SIB 830c can occupy one or more of symbols 1508 with indices 100-110. Similarly, BS 105 can send SIB scheduling information associated with SSB 610d in CORESET 820d, whereby SIB 830d can be scheduled in the PDSCH at symbols 1508 with indices 114-124 following CORESET 820d. SIB 830d can occupy one or more of symbols 1508 with indices 114-124.

[0188] BS 105 can be as follows Figure 15A Enlarged view 1503 and / or Figure 15B Similar to the enlarged view 1507, a CORESET is configured and an SIB is sent for each remaining SSB in SSB groups 610, 620, 630, and 640. Typically, the time slot position of an SSB and the time position of its corresponding CORESET can have the following relationship:

[0189] SFN c =SFN SSB n c =80×k+{0,1,7,8}, (5)

[0190] And for i = 4 × k + {0, 1, 2, 3}, the starting symbol index of CORESET is {0, 0, 0, 0}, and i represents the SSB index, and the slot index n c Based on the second SCS.

[0191] Further aspects of this disclosure include the following:

[0192] 1. A method for wireless communication performed by a user equipment (UE), the method comprising:

[0193] The first SSB of the first SSB group of the synchronization signal block (SSB) burst set is received from the base station (BS), wherein the first SSB group and the second SSB group of the SSB burst set are time-spaced by the control resource set (CORESET) and the system information block (SIB) group, wherein for each SSB of the first SSB group, the CORESET and SIB group includes a CORESET and at least one SIB.

[0194] Based on the first SSB receiving SIB scheduling information in the first CORESET of the CORESET and SIB group; and

[0195] Based on the SIB scheduling information, the first SIB of the CORESET and SIB group is received.

[0196] 2. The method according to aspect 1, wherein the first SSB group and the second SSB group are associated with a first subcarrier spacing (SCS), and wherein the CORESET and SIB groups are associated with a second SCS different from the first SCS.

[0197] 3. The method according to any one of aspects 1-2, wherein the CORESET and SIB groups are in consecutive time slots, wherein the consecutive time slots are based on the second SCS, and wherein each consecutive time slot includes two CORESETs of the CORESET and SIB groups.

[0198] 4. The method according to any one of aspects 1-3, wherein the first SCS is 120 kHz, and wherein the second SCS is 480 kHz.

[0199] 5. The method according to any one of aspects 1-4 further includes:

[0200] Based on the second SCS, the slot index n of the first CORESET is determined according to the following: c :

[0201] n c =32+floor((i mod 16) / 2)+floor(n i / 40)×40,

[0202] Where i is the SSB index associated with the first SSB, n iIt is the slot index associated with the first SSB.

[0203] 6. The method according to any one of aspects 1-2, wherein the CORESET and SIB groups are in consecutive time slots, wherein the consecutive time slots are based on the second SCS, and wherein each consecutive time slot includes one CORESET from the CORESET and SIB groups.

[0204] 7. The method according to any one of aspects 1-2 or 6, wherein the first SCS is 120 kHz, and wherein the second SCS is 960 kHz.

[0205] 8. The method according to any one of aspects 1-2 or 6-7 further comprises:

[0206] Based on the second SCS, the slot index n of the first CORESET is determined according to the following: c :

[0207] n c =64+(i mode 16)+floor(n) i / 80)×80

[0208] Where i is the SSB index associated with the first SSB, n i It is the slot index associated with the first SSB.

[0209] 9. The method according to any one of aspects 1-8, wherein:

[0210] The first CORESET is located in the first symbol set within the first time slot, and

[0211] Receiving the first SIB includes:

[0212] During the second symbol set within the first time slot, the first SIB is received.

[0213] 1. A method for wireless communication performed by a base station (BS), the method comprising:

[0214] Send a first SSB group and a second SSB group associated with a set of synchronization signal blocks (SSBs), wherein the first SSB group and the second SSB group are time-spaced by a control resource set (CORESET) and a system information block (SIB) group, wherein for each SSB of the first SSB group, the CORESET and SIB group includes a CORESET and at least one SIB;

[0215] SIB scheduling information is sent in the first CORESET within the CORESET and SIB group; and

[0216] Based on the SIB scheduling information, the first SIB of the CORESET and SIB group is sent.

[0217] 11. The method according to aspect 10, wherein the first SSB group and the second SSB group are associated with a first subcarrier spacing (SCS), and wherein the CORESET and SIB groups are associated with a second SCS different from the first SCS.

[0218] 12. The method according to any one of aspects 10-11, wherein the CORESET and SIB groups are in consecutive time slots, wherein the consecutive time slots are based on the second SCS, and wherein each consecutive time slot includes two CORESETs and two SIBs of the CORESET and SIB groups.

[0219] 13. The method according to any one of aspects 10-12, wherein the first SCS is 120 kHz, and wherein the second SCS is 480 kHz.

[0220] 14. The method according to any one of aspects 10-13 further includes:

[0221] Based on the second SCS, the slot index n of the first CORESET is determined according to the following: c :

[0222] n c =32+floor((i mode 16) / 2)+floor(n i / 40)×40,

[0223] Where i is the SSB index associated with the first SSB, n i It is the slot index associated with the first SSB.

[0224] 15. The method according to any one of aspects 10-11, wherein the CORESET and SIB groups are in consecutive time slots, wherein the consecutive time slots are based on the second SCS, and wherein each consecutive time slot includes one CORESET and one SIB of the CORESET and SIB groups.

[0225] 16. The method according to any one of aspects 10-11 or 15, wherein the first SCS is 120 kHz, and wherein the second SCS is 960 kHz.

[0226] 17. The method according to any one of aspects 10-11 or 15-16 further comprises:

[0227] Based on the second SCS, the slot index n of the first CORESET is determined according to the following: c :

[0228] n c =64+(i mod 16)+floor(n) i / 80)×80

[0229] Where i is the SSB index associated with the first SSB, n i It is the slot index associated with the first SSB.

[0230] 18. The method according to any one of aspects 10-17, wherein:

[0231] The first CORESET is located in the first symbol set within the first time slot, and

[0232] Sending the first SIB includes:

[0233] During the second symbol set within the first time slot, the first SIB is transmitted.

[0234] Information and signals can be represented using any of a variety of different techniques and technologies. For example, data, instructions, commands, information, signals, bits, symbols, and chips that can be referenced throughout the above description can be represented by voltage, current, electromagnetic waves, magnetic fields or particles, light fields or particles, or any combination thereof.

[0235] The various illustrative blocks and modules described herein can be implemented or performed using a general-purpose processor, DSP, ASIC, FPGA or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described herein. A general-purpose processor may be a microprocessor, but alternatively, the processor may be any conventional processor, controller, microcontroller, or state machine. The processor may also be implemented as a combination of computing devices (e.g., a combination of a DSP and a microprocessor, multiple microprocessors, one or more microprocessors combined with a DSP core, or any other such configuration).

[0236] The functions described herein can be implemented in hardware, software executed by a processor, firmware, or any combination thereof. If implemented in software executed by a processor, the functions can be stored on or transmitted via a computer-readable medium as one or more instructions or code. Other examples and implementations are within the scope of this disclosure and the appended claims. For example, due to the nature of software, the functions described above can be implemented using software executed by a processor, hardware, firmware, hardwired, or any combination thereof. Features implementing the functions can also be physically located in various locations, including being distributed such that portions of the functions are implemented in different physical locations. Furthermore, as used herein, including in the claims, the use of "or" in a list of items (e.g., a list of items beginning with the phrase "at least one" or "one or more") indicates an inclusive list, such that, for example, a list of [at least one of A, B, or C] means A or B or C or AB or AC or BC or ABC (i.e., A and B and C).

[0237] As will now be understood by those skilled in the art and depending on the specific application at hand, many modifications, substitutions, and variations may be made to the materials, apparatus, configuration, and methods of using the devices of this disclosure without departing from the spirit and scope of this disclosure. In view of this, the scope of this disclosure should not be limited to the specific embodiments shown and described herein, as they are merely examples thereto, but should be fully proportionate to the scope of the appended claims and their functional equivalents.

Claims

1. A method for wireless communication performed by a user equipment (UE), the method comprising: The base station (BS) receives a first SSB from a first SSB group of a synchronization signal block (SSB) burst set, wherein the first SSB group and the second SSB group of the SSB burst set are time-spaced by a control resource set (CORESET) and a system information block (SIB) group, wherein for each SSB of the first SSB group, the CORESET and SIB group includes a CORESET and at least one SIB, wherein the first SSB group and the second SSB group are associated with a first subcarrier spacing (SCS), and wherein the CORESET and SIB group are associated with a second SCS that is different from the first SCS; Based on the first SSB receiving SIB scheduling information in the first CORESET of the CORESET and SIB group; Based on the SIB scheduling information, the first SIB of the CORESET and SIB group is received; and Based on the second SCS, the slot index n of the first CORESET is determined according to the following: c : n c =32+floor((imod16) / 2)+floor(n i / 40)×40, Where i is the SSB index associated with the first SSB, n i It is a slot index associated with the first SSB based on the second SCS.

2. The method according to claim 1, wherein, The CORESET and SIB groups are in consecutive time slots, wherein the consecutive time slots are based on the second SCS, and wherein each consecutive time slot includes two CORESETs and two SIBs of the CORESET and SIB groups.

3. The method according to claim 1, wherein, The first SCS is 120 kHz, and the second SCS is 480 kHz.

4. The method according to claim 1, wherein: The first CORESET is located in the first symbol set within the first time slot, and Receiving the first SIB includes: During the second symbol set within the first time slot, the first SIB is received.

5. A method for wireless communication performed by a base station (BS), the method comprising: Transmit a first SSB group and a second SSB group associated with a Synchronization Signal Block (SSB) burst set, wherein the first SSB group and the second SSB group are time-spaced by a Control Resource Set (CORESET) and a System Information Block (SIB) group, wherein for each SSB of the first SSB group, the CORESET and SIB group includes a CORESET and at least one SIB, wherein the first SSB group and the second SSB group are associated with a first subcarrier spacing (SCS), and wherein the CORESET and SIB group are associated with a second SCS different from the first SCS; SIB scheduling information is sent in the first CORESET within the CORESET and SIB group; Based on the SIB scheduling information, send the first SIB of the CORESET and SIB group; and Based on the second SCS, the slot index n of the first CORESET is determined according to the following: c : n c =32+floor((imod16) / 2)+floor(n i / 40)×40, Where i is the SSB index associated with the first SSB, n i It is a slot index associated with the first SSB based on the second SCS.

6. The method according to claim 5, wherein, The CORESET and SIB groups are in consecutive time slots, wherein the consecutive time slots are based on the second SCS, and wherein each consecutive time slot includes two CORESETs and two SIBs from the CORESET and SIB groups.

7. The method according to claim 5, wherein, The first SCS is 120 kHz, and the second SCS is 480 kHz.

8. A user equipment (UE), comprising: processor; and A transceiver, coupled to the processor, wherein the transceiver is configured to: The base station (BS) receives a first SSB from a first SSB group of a synchronization signal block (SSB) burst set, wherein the first SSB group and the second SSB group of the SSB burst set are time-spaced by a control resource set (CORESET) and a system information block (SIB) group, wherein for each SSB of the first SSB group, the CORESET and SIB group includes a CORESET and at least one SIB, wherein the first SSB group and the second SSB group are associated with a first subcarrier spacing (SCS), and wherein the CORESET and SIB group are associated with a second SCS that is different from the first SCS; Based on the first SSB receiving SIB scheduling information in the first CORESET of the CORESET and SIB group; Based on the SIB scheduling information, the first SIB of the CORESET and SIB group is received; and Based on the second SCS, the slot index n of the first CORESET is determined according to the following: c : n c =32+floor((imod16) / 2)+floor(n i / 40)×40, Where i is the SSB index associated with the first SSB, n i It is a slot index associated with the first SSB based on the second SCS.

9. The UE according to claim 8, wherein, The CORESET and SIB groups are in consecutive time slots, wherein the consecutive time slots are based on the second SCS, and wherein each consecutive time slot includes two CORESETs and two SIBs of the CORESET and SIB groups.

10. The UE according to claim 9, wherein, The first SCS is 120 kHz, and the second SCS is 480 kHz.

11. The UE according to claim 8, wherein: The first CORESET is located in the first symbol set within the first time slot, and The transceiver configured to receive the first SIB is configured as follows: During the second symbol set within the first time slot, the first SIB is received.

12. A base station (BS), comprising: processor; and A transceiver, coupled to the processor, wherein the transceiver is configured to: Transmit a first SSB group and a second SSB group associated with a Synchronization Signal Block (SSB) burst set, wherein the first SSB group and the second SSB group are time-spaced by a Control Resource Set (CORESET) and a System Information Block (SIB) group, wherein for each SSB of the first SSB group, the CORESET and SIB group includes a CORESET and at least one SIB, wherein the first SSB group and the second SSB group are associated with a first subcarrier spacing (SCS), and wherein the CORESET and SIB group are associated with a second SCS different from the first SCS; SIB scheduling information is sent in the first CORESET within the CORESET and SIB group; Based on the SIB scheduling information, send the first SIB of the CORESET and SIB group; and Based on the second SCS, the slot index n of the first CORESET is determined according to the following: c : n c =32+floor((imod16) / 2)+floor(n i / 40)×40, Where i is the SSB index associated with the first SSB, n i It is a slot index associated with the first SSB based on the second SCS.

13. The BS according to claim 12, wherein, The CORESET and SIB groups are in consecutive time slots, wherein the consecutive time slots are based on the second SCS, and wherein each consecutive time slot includes two CORESETs and two SIBs from the CORESET and SIB groups.

14. The BS according to claim 13, wherein, The first SCS is 120 kHz, and the second SCS is 480 kHz.

15. A user equipment (UE), comprising: Components for performing the method according to any one of claims 1-4.

16. A base station, comprising: Components for performing the method according to any one of claims 5-7.

17. A computer-readable medium having program code recorded thereon, wherein, The program code may be executed by one or more processors to cause the one or more processors to perform the method according to any one of claims 1-7.

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