Monitoring paging signals based on counters

Abstract

A wireless communication system and method related to monitoring a paging signal are provided. A wireless communication system may receive a first system information signal from a base station (BS) and may configure a counter to have an initial counter value in response to receiving the first system information signal. In addition, a wireless communication device may receive a second system information signal from the BS and may modify a counter value of the counter in response to receiving the second system information signal. When the counter is not completed, the wireless communication device may monitor a paging signal from the BS.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application claims priority to and the benefit of U.S. Patent Application No. 16 / 948,677, filed on September 28, 2020; and Indian Provisional Patent Application No. 201941047552, filed on November 21, 2019, the entire contents of which are incorporated herein by reference as if fully set forth below and for all applicable purposes. Technical Field

[0003] The techniques discussed in this disclosure relate generally to wireless communication systems, and more particularly to monitoring paging signals based on a paging monitoring counter. Aspects may enable and provide solutions and techniques for reducing power consumption and increasing the probability of a successful transmission from a base station (BS) to a user equipment (UE).

[0004] introduction

[0005] Wireless communication systems are widely deployed to provide various types of communication content, such as voice, video, packet data, messaging, broadcast, etc. These systems may be capable of supporting communication with multiple users by sharing available system resources (e.g., time, frequency, and power). A wireless multiple-access communication system may include several base stations (BSs), each of which simultaneously supports communication for multiple communication devices, which may be otherwise referred to as user equipment (UE).

[0006] In order to meet the growing demand for extended mobile broadband connectivity, wireless communication technology is evolving from LTE technology to next generation new radio (NR) technology. For example, NR is designed to provide lower latency, higher bandwidth or throughput, and higher reliability compared to LTE. NR is designed to operate over a wide range of frequency bands, such as low frequency bands below about 1 gigahertz (GHz) and medium frequency bands from about 1 GHz to about 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 enables operators to opportunistically 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.

[0007] One way to avoid conflicts when communicating in a shared spectrum or unlicensed spectrum is to use a listen-before-talk (LBT) procedure to ensure that the shared channel is clear before transmitting a signal in the shared channel. For example, a transmitting node may perform LBT to determine if there is an active transmission in the channel. If LBT causes LBT to pass, the transmitting node may transmit a preamble to reserve a channel occupancy time (COT) in the shared channel and may communicate with the receiving node during the COT.

[0008] A brief overview of some examples

[0009] The following summarizes some aspects of the present disclosure to provide a basic understanding of the technology discussed. This summary is not an exhaustive overview of all conceived features of the present disclosure, and is neither intended to identify the key or decisive elements of all aspects of the present disclosure nor to attempt to define the scope of any or all aspects of the present disclosure. Its only purpose is to give some concepts of one or more aspects of the present disclosure in an overview form as a prelude to a more detailed description given later.

[0010] Various aspects of the present disclosure provide techniques for monitoring paging based on a counter. A user equipment (UE) may receive a first system information signal, and the reception of the first system information signal may trigger the UE to configure a counter to have an initial counter value. The first system information signal may include scheduling information for a system information block (SIB). The UE may use the counter as a "grace period" to continue monitoring the paging signal instead of stopping monitoring the paging immediately after receiving the first system information signal. The UE may receive a second system information signal after receiving the first system information signal. The UE may, in response to receiving the second system information signal, increase an additional physical downlink control channel (PDCCH) opportunity for paging monitoring by increasing the counter value by a specific amount. The UE may continue to monitor paging from the BS when the counter is not completed.

[0011] For example, in one aspect of the present disclosure, a method of wireless communication includes receiving, by a user equipment (UE), a first system information signal from a base station (BS); configuring, by the UE, a counter to have an initial counter value in response to receiving the first system information signal; receiving, by the UE, a second system information signal from the BS; modifying, by the UE, a counter value of the counter in response to receiving the second system information signal; and monitoring, by the UE, a paging signal from the BS when the counter is not completed.

[0012] In an additional aspect of the present disclosure, a device includes a transceiver configured to: receive a first system information signal from a base station (BS) by a user equipment (UE); and receive a second system information signal from the BS by the UE; and a processor configured to: configure a counter to have an initial counter value by the UE in response to receiving the first system information signal; modify the counter value of the counter by the UE in response to receiving the second system information signal; and monitor a paging signal from the BS by the UE when the counter is not completed.

[0013] In an additional aspect of the present disclosure, a computer-readable medium includes program code recorded thereon, the program code including code for causing a wireless communication device to receive a first system information signal from a base station (BS); code for causing the wireless communication device to configure a counter to have an initial counter value in response to receiving the first system information signal; code for causing the wireless communication device to receive a second system information signal from the BS; code for causing the wireless communication device to modify the counter value of the counter in response to receiving the second system information signal; and code for causing the wireless communication device to monitor a paging signal from the BS when the counter is not completed.

[0014] In an additional aspect of the present disclosure, an apparatus includes means for receiving a first system information signal from a base station (BS); means for configuring a counter to have an initial counter value in response to receiving the first system information signal; means for receiving a second system information signal from the BS; means for modifying a counter value of the counter in response to receiving the second system information signal; and means for monitoring a paging signal from the BS when the counter is not completed.

[0015] After studying the following description of the specific exemplary embodiments of the present disclosure in conjunction with the accompanying drawings, other aspects, features and embodiments of the present disclosure will be apparent to those of ordinary skill in the art. Although features of the present disclosure may be discussed below with respect to certain embodiments and drawings, all embodiments of the present disclosure may include one or more of the advantageous features discussed herein. In other words, although one or more embodiments may be discussed as having certain advantageous features, one or more of such features may also be used according to the various embodiments of the present disclosure discussed herein. In a similar manner, although exemplary embodiments may be discussed below as device, system or method embodiments, it should be appreciated that such exemplary embodiments may be implemented in various devices, systems, and methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1

[0013] A wireless communication network in accordance with one or more aspects of the present disclosure is illustrated.

[0018] Figure 2 A scheduling / transmission configuration method for physical downlink control channel (PDCCH) monitoring occasions according to one or more aspects of the present disclosure is illustrated.

[0019] Figure 3 is a block diagram of a user equipment (UE) according to one or more aspects of the present disclosure.

[0020] Figure 4 is a block diagram of a base station (BS) according to one or more aspects of the present disclosure.

[0021] Figure 5 A scheduling / transmission configuration method for resetting a counter to an initial counter value according to one or more aspects of the present disclosure is illustrated.

[0022] Figure 6 A scheduling / transmission configuration method for resetting a counter to a current counter value in accordance with one or more aspects of the present disclosure is illustrated.

[0023] Figure 7 A scheduling / transmission configuration method for incrementing a counter based on the number of downlink (DL) beams supported by a BS according to one or more aspects of the present disclosure is illustrated.

[0024] Figure 8 is a flow chart of a wireless communication method according to one or more aspects of the present disclosure.

[0025] Detailed Description

[0026] The detailed description set forth below in conjunction with the accompanying drawings is intended as a description of various configurations and is not intended to represent the only configurations in which the concepts described herein may be practiced. This detailed description includes specific details in order to provide a thorough understanding of the various concepts. However, it will be apparent to those skilled in the art that these concepts may be practiced without these specific details. In some instances, well-known structures and components are shown in block diagram form to avoid obscuring such concepts.

[0027] The present disclosure generally relates to wireless communication systems (also referred to as wireless communication networks). In various instances, various techniques and devices may be used for 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, fifth generation (5G) or new radio (NR) networks, and other communication networks. As described herein, the terms "network" and "system" may be used interchangeably.

[0028] OFDMA network can realize radio technology, such as Evolved UTRA (E-UTRA), Institute of Electrical and Electronics Engineers (IEEE) 802.11, IEEE 802.16, IEEE 802.20, flash-OFDM, etc. UTRA, E-UTRA and GSM are part of Universal Mobile Telecommunications System (UMTS). Specifically, Long Term Evolution (LTE) is a UMTS version using E-UTRA. UTRA, E-UTRA, GSM, UMTS and LTE are described in documents provided by an organization named "3rd Generation Partnership Project" (3GPP), while cdma2000 is described in documents from an organization named "3rd Generation Partnership Project 2" (3GPP2). These various radio technologies and standards are known or under development. For example, the 3rd Generation Partnership Project (3GPP) is a collaboration between various telecommunications association groups, which aims to define a globally applicable third generation (3G) mobile phone specification. 3GPP Long Term Evolution (LTE) is a 3GPP project aimed at improving the UMTS mobile phone standard. 3GPP may define specifications for next generation mobile networks, mobile systems, and mobile devices. The present disclosure focuses on the evolution of wireless technologies from LTE, 4G, 5G, NR and beyond with shared access to wireless spectrum between networks using a set of new and different radio access technologies or radio air interfaces.

[0029] Specifically, 5G networks envision diverse deployments, diverse spectrum, and diverse services and devices that can be implemented using a unified OFDM-based air interface. 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 scale to provide coverage for: (1) ultra-high density (e.g., about 1M nodes / km) 2 ), ultra-low complexity (e.g., about tens of bits / second), ultra-low energy (e.g., about 10+ years of battery life), and deep coverage capable of reaching challenging locations; (2) including mission-critical control with strong security (to protect sensitive personal, financial, or confidential information), ultra-high reliability (e.g., about 99.9999% reliability), ultra-low latency (e.g., about 1 millisecond (ms)), and users with a wide range of mobility or lack of mobility; and (3) with enhanced mobile broadband, including extremely high capacity (e.g., about 10 Tbps / km 2 ), extreme data rates (e.g., multi-Gbps rates, 100+Mbps user experience rates), and deep cognition with advanced discovery and optimization.

[0030] 5G NR can be implemented to: use an optimized OFDM-based waveform with scalable parameter design and transmission time interval (TTI); have a common, flexible framework to use dynamic, low-latency time time division duplex (TDD) / frequency division duplex (FDD) design to efficiently multiplex services and features; and have advanced wireless technologies such as massive multiple input multiple output (MIMO), robust millimeter wave (mmWave) transmission, advanced channel coding and device-centric mobility. The scalability of parameter design in 5G NR (and the scaling of subcarrier spacing (SCS)) can efficiently solve the operation of diversified services across diverse spectrums and diverse deployments. For example, in various outdoor and macro coverage deployments less than 3GHz FDD / TDD implementations, SCS can occur at 15kHz, such as on bandwidths (BW) such as 5, 10, 20MHz. For other various outdoor and small cell coverage deployments of TDD greater than 3GHz, SCS can occur at 30kHz on 80 / 100MHz BW. For various other indoor broadband implementations, SCS can occur at 60kHz over 160MHz BW using TDD on the unlicensed portion of the 5GHz band. Finally, for various deployments transmitting using the mmWave component with TDD at 28GHz, SCS can occur at 120kHz over 500MHz BW.

[0031] The scalable parameter design of 5G NR facilitates scalable TTI to meet diverse 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 TTIs and short TTIs allows transmissions to start on symbol boundaries. 5G NR also contemplates a self-contained integrated subframe design with UL / downlink scheduling information, data, and acknowledgment in the same subframe. The self-contained integrated subframe supports communications in unlicensed or contention-based shared spectrum, and supports adaptive UL / downlink that can be flexibly configured on a per-cell basis to dynamically switch between UL and downlink to meet current traffic needs.

[0032] Various other aspects and features of the present disclosure are further described below. It should be apparent that the teachings herein can be embodied in a variety of forms, and any specific structure, function, or both disclosed herein are representative and non-restrictive. Based on the teachings herein, it should be appreciated by those of ordinary skill in the art 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 aspects or examples set forth herein can be used to implement a device or practice a method. In addition, other structures, functionality, or structures and functionality that are supplementary to or different from one or more aspects set forth herein can be used to implement such a device or practice such a method. For example, the method can be implemented as a part of a system, device, device, and / or as an instruction stored on a computer-readable medium for execution on a processor or computer. Not only that, an aspect can include at least one element of a claim.

[0033] The BS may transmit paging information and system information in a shared radio frequency band (e.g., an unlicensed band) during a channel occupation time (COT). The UE may be configured with a physical downlink control channel (PDCCH) monitoring opportunity (e.g., in certain time periods). The UE may monitor the paging schedule from the network during the monitoring opportunity. Paging is a mechanism for notifying the UE when the BS has a paging message for the UE, for example, when the UE is in idle mode. The UE may decode the content of the paging message and initiate any applicable procedures for processing the content. The UE may monitor the paging schedule in, for example, a type 0 PDCCH search space or a type 2 PDCCH search space.

[0034] The BS may perform LBT before transmitting in the channel. Due to the LBT constraint, if the LBT causes the LBT to fail, the BS may not be able to broadcast system information associated with the network. The LBT constraint may result in a lower transmission success probability and / or a delay in transmission of a broadcast channel (e.g., paging). In order to increase the likelihood that the BS can transmit a broadcast channel, the number of PDCCH monitoring opportunities may be increased to monitor the paging opportunities. The UE monitors the paging schedule in this number of PDCCH monitoring opportunities. An increase in the number of PDCCH monitoring opportunities may result in more paging schedule transmission opportunities for the BS. For example, the BS may acquire a channel and have a higher likelihood of immediately transmitting a paging schedule when the channel transmission is successful. The number of additional opportunities may be proportional to the congestion in the channel and the maximum COT supported (e.g., the monitoring opportunity may be extended to a period of up to 5 milliseconds or more).

[0035] By increasing the number of PDCCH monitoring occasions, the UE may increase its power consumption due to monitoring the increased number of PDCCH monitoring occasions. The present application provides a technique for improving power saving when the UE monitors paging from the BS. For example, when the UE determines to stop monitoring paging from the BS, the UE may enter a power saving mode.

[0036] In addition, the bandwidth used for transmission of scheduling for system information (e.g., PDCCH based on system information radio network temporary identifier (SI-RNTI), remaining system information (RMSI), etc.) and scheduling for paging messages may be insufficient during a specific PDCCH monitoring opportunity. The BS may not be able to multiplex paging scheduling information with system information scheduling information within the same PDCCH monitoring opportunity. If the BS does not have sufficient resources to transmit both system information scheduling information and paging scheduling information, the BS may prioritize transmitting the system information scheduling information to the UE relative to transmitting the paging scheduling information to the UE. The BS may attempt to transmit the paging scheduling information during a subsequent PDCCH monitoring opportunity (after the BS has transmitted any pending system information scheduling information waiting to be transmitted). Therefore, if the UE is monitoring the PDCCH monitoring opportunity and receives system information scheduling information (e.g., SI-RNTI PDCCH) during the PDCCH monitoring opportunity, the UE may determine to wait for a grace period after receiving the system information for paging.

[0037] After the BS 105 transmits a schedule for system information in a search space (e.g., a Type-0 PDCCH search space or a Type-2 PDCCH search space), the BS may transmit the system information according to the system information schedule. Similarly, after the BS transmits a schedule for a paging message in the search space, the BS may transmit paging according to the paging schedule. The UE may determine not to stop monitoring for paging immediately after receiving a system information signal (e.g., PDCCH reception for SIB) because the BS may transmit a paging signal within a grace period. For example, the BS may have a system information signal and a paging signal to be transmitted at the same time, may preferentially transmit the system information signal before the paging signal, and may then transmit the paging signal during the grace period. The UE may monitor the paging signal from the BS based on a counter, wherein the counter is used as a mechanism for determining the grace period.

[0038] The present application provides techniques for configuring and / or modifying a counter based on the reception of a system information signal.The UE uses the counter as a mechanism for determining when to stop monitoring a paging signal from a BS.

[0039] Aspects of the present disclosure may provide several benefits. For example, the power efficiency of the UE may be improved by entering a power saving mode when a counter expires. In addition, based on the increased number of PDCCH opportunities, the UE may have an increased probability of receiving a system information signal (e.g., for scheduling of system information). Based on continuing to use the counter to monitor the paging signal, the UE may also have an increased probability of receiving a paging signal from the BS (e.g., for scheduling of a paging message or the paging message).

[0040] Figure 1 A wireless communication network 100 according to one or more aspects of the present disclosure is illustrated. The network 100 may be a 5G network. The network 100 includes several base stations (BSs) 105 (labeled 105a, 105b, 105c, 105d, 105e, and 105f, respectively) and other network entities. The BS 105 may be a station that communicates with the UE 115, and may also be referred to as an evolved Node B (eNB), a next generation eNB (gNB), an access point, and the like. Each BS 105 may provide communication coverage for a particular geographic area. In 3GPP, the term "cell" may refer to the particular geographic coverage area of ​​the BS 105 and / or the BS subsystem that serves the coverage area, depending on the context in which the term is used.

[0041] BS 105 may provide communication coverage for macro cells or small cells (such as pico cells or femto cells), and / or other types of cells. Macro cells generally cover a relatively large geographic area (e.g., several kilometers in radius) and may allow unrestricted access by UEs that have service subscriptions with a network provider. Small cells (such as pico cells) generally cover a relatively small geographic area and may allow unrestricted access by UEs that have service subscriptions with a network provider. Small cells (such as femto cells) generally also cover a relatively small geographic area (e.g., a residence) and, in addition to unrestricted access, may provide restricted access to UEs associated with the femto cell (e.g., UEs in a closed subscriber group (CSG), UEs of users in the residence, etc.). A BS for a macro cell may be referred to as a macro BS. A BS for a small cell may be referred to as a small cell BS, a pico BS, a femto BS, or a home BS. In Figure 1In the example shown in , BS 105d and 105e may be conventional macro BSs, while BS 105a-105c may be macro BSs enabled with one of three-dimensional (3D), full-dimensional (FD), or massive MIMO. BS 105a-105c may utilize its higher dimensional MIMO capabilities to utilize 3D beamforming in both elevation and azimuth beamforming to increase coverage and capacity. BS 105f may be a small cell BS, which may be a home node or a portable access point. BS 105 may support one or more (e.g., two, three, four, etc.) cells.

[0042] The network 100 may support synchronous or asynchronous operation. For synchronous operation, each BS may have similar frame timing, and transmissions from different BSs may be approximately aligned in time. For asynchronous operation, each BS may have different frame timing, and transmissions from different BSs may not be aligned in time.

[0043] UE 115 is dispersed throughout the wireless network 100, and each UE 115 can be stationary or mobile. UE 115 can also be referred to as a terminal, a mobile station, a subscriber unit, a station, etc. UE 115 can be a cellular phone, a personal digital assistant (PDA), a wireless modem, a wireless communication device, a handheld device, a tablet computer, a laptop computer, a cordless phone, a wireless local loop (WLL) station, etc. In one aspect, UE 115 can be a device including a universal integrated circuit card (UICC). On the other hand, UE can be a device that does not include UICC. In some aspects, UE 115 that does not include UICC can also be referred to as IoT device or Internet of Everything (IoE) device. UE 115a-115d is an example of a mobile smart phone type device that accesses the network 100. UE 115 can also be a machine specially configured for connected communication (including machine type communication (MTC), enhanced MTC (eMTC), narrowband IoT (NB-IoT), etc.). UE 115e-115h is an example of various machines configured for communication that access network 100. UE 115i-115k is an example of a vehicle equipped with a wireless communication device configured for communication that accesses network 100. UE 115 may be able to communicate with any type of BS (whether a macro BS, a small cell, etc.). Figure 1 In the figure, the lightning beam (e.g., communication link) indicates wireless transmission between UE 115 and serving BS 105, desired transmission between BSs 105, backhaul transmission between BSs, or sidelink transmission between UEs 115, and serving BS 105 is a BS designated to serve UE 115 on downlink (DL) and / or uplink (UL).

[0044] In operation, BS 105a-105c may use 3D beamforming and coordinated spatial techniques such as coordinated multipoint (CoMP) or multi-connectivity to serve UEs 115a and 115b. Macro BS 105d may perform backhaul communications with BS 105a-105c, and small cell BS 105f. Macro BS 105d may also transmit multicast services that are subscribed to and received by UEs 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 Gray Alerts.

[0045] The BS 105 may also communicate with a core network. The core network may provide user authentication, access authorization, tracking, Internet Protocol (IP) connectivity, and other access, routing, or mobility functions. At least some of the BSs 105 (e.g., which may be examples of gNBs or access node controllers (ANCs)) may interface with the core network via a backhaul link (e.g., NG-C, NG-U, etc.) and may perform radio configuration and scheduling for communication with the UE 115. In various examples, the BSs 105 may communicate with each other directly or indirectly (e.g., through the core network) over a backhaul link (e.g., X1, X2, etc.), which may be a wired or wireless communication link.

[0046] The network 100 may also support mission-critical communications with ultra-reliable and redundant links for mission-critical devices, such as UE 115e, which may be a drone. The redundant communication links with UE 115e may 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), may communicate directly with a BS, such as small cell BS 105f and macro BS 105e, through the network 100, or in a multi-step configuration by communicating with another user device that relays its information to the network, such as UE 115f communicating temperature measurement information to smart meter UE 115g, which is then reported to the network through small cell BS 105f. The network 100 may also provide additional network efficiency through dynamic, low latency TDD / FDD communications, such as vehicle-to-vehicle (V2V) communications between UEs 115i-115k, vehicle-to-everything (V2X) communications between UE 115i, 115j or 115k and other UEs 115, and / or vehicle-to-infrastructure (V2I) communications between UE 115i, 115j or 115k and BS 105.

[0047] In some implementations, the network 100 communicates using OFDM-based waveforms. OFDM-based systems can divide the system BW into multiple (K) orthogonal subcarriers, which are also commonly referred to as subcarriers, frequency modulations, frequency slots, etc. Each subcarrier can be modulated with data. In some instances, the SCS 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 subbands. In other instances, the duration of the SCS and / or TTI can be scalable.

[0048] In some aspects, BS 105 may assign 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. The communication may take the form of a radio frame. A radio frame may be divided into a plurality of subframes or time slots, for example, about 10. Each time slot may be further divided into subslots. In FDD mode, simultaneous UL and DL transmissions may occur in different frequency bands. For example, each subframe includes a UL subframe in the UL frequency band and a DL subframe in the DL frequency band. A subframe may also be referred to as a time slot. In TDD mode, UL and DL transmissions occur in different time periods using the same frequency band. For example, a subset of subframes in a radio frame (e.g., a DL subframe) may be used for DL ​​transmission, and another subset of subframes in a radio frame (e.g., a UL subframe) may be used for UL transmission.

[0049] DL subframes and UL subframes may be further divided into several regions. For example, each DL or UL subframe may have a predefined region for the transmission of reference signals, control information, and data. A reference signal is a predetermined signal that facilitates communication between BS 105 and UE 115. For example, a reference signal may have a specific pilot pattern or structure, wherein the pilot tones may span an operating BW or frequency band, and each pilot tone is positioned at a predefined time and a predefined frequency. For example, BS 105 may transmit a reference signal (CRS) and / or a channel state information reference signal (CSI-RS) that varies from cell to cell to enable UE 115 to estimate a DL channel. Similarly, UE 115 may transmit a sounding reference signal (SRS) to enable BS 105 to estimate an UL channel. Control information may include resource assignments and protocol control. Data may include protocol data and / or operational data. In some aspects, BS 105 and UE 115 may communicate using self-contained subframes. A self-contained subframe may include a portion for DL ​​communication and a portion for UL communication. A self-contained subframe may be DL-centric or UL-centric. A DL-centric subframe may include a duration for DL ​​communication that is longer than a duration for UL communication. A UL-centric subframe may include a duration for UL communication that is longer than a duration for DL ​​communication.

[0050] In some aspects, network 100 may be an NR network deployed on a licensed spectrum. BS 105 may transmit synchronization signals (e.g., including a primary synchronization signal (PSS) and a secondary synchronization signal (SSS)) in network 100 to facilitate synchronization. BS 105 may broadcast system information associated with network 100 (e.g., including a master information block (MIB), RMSI, and other system information (OSI)) to facilitate initial network access. In some instances, BS 105 may broadcast PSS, SSS, and / or MIB in the form of a synchronization signal block (SSB) on a physical broadcast channel (PBCH), and may broadcast RMSI and / or OSI on a physical downlink shared channel (PDSCH).

[0051] In some aspects, a UE 115 attempting to access the network 100 may perform an initial cell search by detecting the PSS from the BS 105. The PSS may enable synchronization of period timing and may indicate a physical layer identity value. The UE 115 may then receive the SSS. The SSS may enable radio frame synchronization and may provide a cell identity value that may be combined with the physical layer identity value to identify the cell. The PSS and SSS may be located in the center portion of the carrier or at any suitable frequency within the carrier.

[0052] After receiving the PSS and SSS, the UE 115 may receive the MIB, which may be transmitted in a physical broadcast channel (PBCH). The MIB may include system information for initial network access and scheduling information for RMSI and / or OSI. After decoding the MIB, the UE 115 may receive RMSI, OSI, and / or one or more system information blocks (SIBs). The RMSI and / or OSI may include radio resource control (RRC) information related to random access channel (RACH) procedures, paging, control resource sets (CORESET) for physical downlink control channel (PDCCH) monitoring, physical UL control channel (PUCCH), physical uplink shared channel (PUSCH), power control, and SRS. In some aspects, SIB1 may include cellular cell access parameters and scheduling information for other SIBs.

[0053] After obtaining the MIB, RMSI and / or OSI, the UE 115 may perform a random access procedure to establish a connection with the BS 105. After the connection is established, the UE 115 and the BS 105 can enter a normal operation phase, in which operation data can be exchanged. For example, the BS 105 may schedule the UE 105 for UL and / or DL ​​communication. The BS 105 may transmit UL and / or DL ​​scheduling grants to the UE 115 via the PDCCH. The scheduling grant may be transmitted in the form of DL control information (DCI). The BS 105 may transmit a DL communication signal (e.g., carrying data) to the UE 115 via the PDSCH according to the DL scheduling grant. The UE 115 may transmit an UL communication signal to the BS 105 via the PUSCH and / or PUCCH according to the UL scheduling grant. In some aspects, the BS 105 may use HARQ technology to communicate with the UE 115 to improve communication reliability, for example, to provide URLLC services.

[0054] The network 100 may be an NR network deployed on a licensed spectrum. The network 100 may operate on a shared channel (which may include a shared frequency band or an unlicensed frequency band), for example, at a higher frequency of about 3.5 gigahertz (GHz), sub-6 GHz, or millimeter wave bands. In some aspects, wireless communication devices may share resources in a shared communication medium and may employ a listen-before-talk (LBT) procedure to obtain a channel occupancy time (COT) in the shared medium for communication. The COT may be non-continuous in time and may refer to the amount of time a station can send a frame when it wins contention for the wireless medium. Each COT may include multiple time slots and one or more medium listening periods.

[0055] The wireless communication device may perform LBT in a shared channel. LBT is a channel access scheme that may be used in an unlicensed spectrum. When LBT causes LBT to pass (the wireless communication device wins contention for the wireless medium), the wireless communication device may access the shared medium to transmit and / or receive data. In one example, the wireless communication device is UE 115. When LBT causes LBT to pass, UE 115 may receive DL data and / or system information from BS 105 and / or may transmit UL data to the BS. In another example, the wireless communication device is BS 105. When LBT causes LBT to pass, BS 105 may schedule UE 115 to communicate on a shared channel during COT and / or may transmit DL data and / or system information (e.g., any system information whose PDCCH is identified by SI-RNTI, which schedules RMSI, OSI, and / or SIB) to UE 115.

[0056] UE 115 may monitor type 0 PDCCH search space and / or type 2 PDCCH search space. UE 115 may monitor the search space (e.g., Type 0 PDCCH or Type 2 PDCCH) to find DCI (scheduling of UL or DL ​​data) and may receive system information and / or paging transmission based on the scheduling. Type 0 PDCCH search space may include multiple time-frequency opportunities, and it is expected that UE 115 monitors DL messages (e.g., PDCCH DCI) from BS 105 at the time-frequency opportunities. For example, type 0 PDCCH search space may be used for scheduling of system information or scheduling of paging messages, and UE 115 may receive system information (e.g., RMSI) or paging in type 0 PDCCH based on the corresponding scheduling. DCI for paging may be based on P-RNTI-based PDCCH. Type 2 PDCCH search space may be configured to receive only paging scheduling messages, and UE 115 may receive P-RNTI PDCCH in type 2 PDCCH. BS 105 may configure UE 115 to monitor type 0 PDCCH search space and type 2 PDCCH search space to find paging via RRC configuration. If type 2 PDCCH search space is not configured, UE 115 may monitor type 0 PDCCH search space by default to find paging; otherwise, UE 115 may only monitor type 2 PDCCH search space to find paging. After BS 105 transmits a schedule for system information in type 0 PDCCH search space, BS 105 may transmit system information according to system information scheduling. Similarly, after BS 105 transmits a schedule for paging in type 0 PDCCH search space, BS may transmit paging according to paging scheduling. The present disclosure may use the term "system information signal" or "system information" to refer to any signal related to system information including scheduling information. In addition, the present disclosure may use the term "paging signal" or "paging" to refer to any signal related to paging including paging scheduling.

[0057] If the BS 105 does not have sufficient resources to transmit both the system information signal and the paging signal, the BS 105 may prioritize transmitting the system information signal to the UE 115 over transmitting the paging signal to the UE 115. The BS 105 may attempt to transmit the paging signal (e.g., a schedule for a paging message) during a subsequent PDCCH monitoring opportunity (after the BS 105 has transmitted any pending schedule for system information waiting to be transmitted). Thus, if the UE 115 is monitoring a PDCCH monitoring opportunity and receives a system information signal (e.g., an SI-RNTI PDCCH) during the PDCCH monitoring opportunity, the UE 115 may determine to wait for a grace period after receiving the system information for the paging signal from the BS.

[0058] The present application provides techniques for determining a grace period and how to configure the grace period. Figure 2 The present disclosure illustrates a scheduling / transmission configuration method 200 for PDCCH monitoring opportunities according to one or more aspects of the present disclosure. The scheduling / transmission configuration method 200 may be employed 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 may communicate with UE 115 using the time-frequency resources configured as shown in the scheduling / transmission configuration method 200. Figure 2 In , the x-axis represents time in some arbitrary units.

[0059] In the scheduling / transmission configuration 200, the BS 105 may configure the UE 115 to have a PDCCH opportunity in a search space (e.g., a type 0 PDCCH search space or a type 2 PDCCH search space). The UE 115 may monitor PDCCH opportunities 202, 204, 206, 208, 210, 212, 214, 216, 218, and 220. Before each PDCCH opportunity, the BS 105 may perform LBT. If the LBT causes the LBT to pass, the BS 105 may transmit a serving cell signal to one or more UEs 115. Based on the LBT failure, the BS 105 may not transmit a serving cell signal (e.g., a PDCCH for SIBs) during the PDCCH opportunities 202 and 204. Based on the subsequent LBT passing, the BS 105 may transmit a serving cell signal 222 (e.g., a PDCCH for SIBs) during the PDCCH opportunity 206. The serving cell signal 222 may be any system information whose PDCCH is identified by SI-RNTI. For example, the serving cell signal 222 may be scheduling information for RMSI PDCCH, OSI, SIB, SSB, GC-PDCCH, SFI signal, COT indication signal, etc.

[0060] The UE 115 may detect a serving cell signal 222 in the search space during the PDCCH opportunity 206 based on monitoring the PDCCH opportunity. The UE 115 may receive the serving cell signal 222 and configure the paging monitoring counter to have a counter value in response to receiving the serving cell signal 222. The paging monitoring counter may also be referred to as a counter in the present disclosure. The counter may be used to count or track the number of PDCCH opportunities (within a grace period) in which the UE 115 may perform PDCCH monitoring. The value may indicate the number of remaining PDCCH opportunities before the UE 115 stops PDCCH monitoring. For example, each increment of the counter value may provide one or more additional PDCCH opportunities to the UE 115 before the UE 115 stops monitoring, and each decrement of the counter value may provide one or more fewer PDCCH opportunities to the UE 115 before the UE 115 stops monitoring.

[0061] The UE 115 may define a counter and may continue to monitor the paging signal based on the counter value. For example, when the counter is not completed, the UE 115 may monitor the paging signal (e.g., PDCCH for paging scheduling) in, for example, a type 0 PDCCH search space and / or a type 2 PDCCH search space. If the counter has not reached zero (if the counter has not expired), the counter is not completed. If the counter has counted down to zero, the counter has expired. The reception of the serving cell signal 222 by the UE 115 may trigger the UE 115 to start the counter. The UE 115 may determine that the BS 105 has acquired the COT based on the reception of the serving cell signal 222, and may use the counter to start a grace period for monitoring the PDCCH opportunity for the paging signal.

[0062] Based on the LBT failure, the BS 105 may not be able to transmit the serving cell signal during the PDCCH opportunities 208 and 210. For each subsequent monitored PDCCH opportunity after the PDCCH opportunity 206 during which the serving cell signal 222 is detected, the UE may decrement the counter value. For example, if the UE 115 configures the counter to have a counter value of X in response to receiving the serving cell signal 222, the UE 115 may update the counter value by decrementing the current counter value of the counter by 1. In this example, the counter value of the counter may be updated to (X-1) based on monitoring the PDCCH opportunity 208. Similarly, the counter value of the counter may be updated to (X-2) based on monitoring the PDCCH opportunity 210.

[0063] At a later point in time, BS 105 may perform LBT before PDCCH opportunity 212. Based on the LBT passing, BS 105 may transmit system information signal 224. For example, BS 105 may broadcast system information signal 224 to a group of UEs 115. System information signal 224 may be received, for example, based on SI-RNTI PDCCH. UE 115 may receive system information signal 224 (e.g., for scheduling of system information) from BS 105 during PDCCH opportunity 212. UE 115 may modify the counter value in response to receiving system information signal 224. UE 115 may modify the counter value using various techniques. For example, UE 115 may modify the counter value by resetting the updated counter to the initial counter value (see Figure 5 ), the counter value can be modified by resetting the updated counter to the current counter value (see Figure 6 ), or the counter value may be modified by incrementing the updated counter value based on the number of DL beams associated with at least one of the serving cell signal 222 or the system information signal 224 (see Figure 7 ). Each of these techniques will be discussed in more detail below.

[0064] After modifying the counter in response to receiving the system information signal 224, the UE 115 can continue to update the counter value by reducing the current counter value of the counter by one. Therefore, the counter value starts to decrease from the modified counter value. The UE 115 can monitor the paging signal from the BS 105 when the counter is not completed. When the counter expires, the UE 115 can stop monitoring the paging signal from the BS. The UE 115 can enter a power saving state in response to stopping monitoring the paging signal. The power saving state can be, for example, a discontinuous reception (DRX) sleep state. Discontinuous reception (DRX) is a technology in which the UE can be in a DRX inactive time or a DRX active time during a DRX cycle. When operating in the DRX mode, the UE can enter a sleep mode for a specific time period and enter a wake-up mode for another time period. The DRX inactive time allows the UE to power down certain radio components, or at least switch certain radio components to a power state lower than when in the active state. Accordingly, using DRX can provide power saving at the UE.

[0065] In some aspects, the UE 115 may receive a paging signal (eg, a schedule for a paging message or the paging message) while the counter is not complete. The UE 115 may stop monitoring the paging signal from the BS in response to receiving the paging signal while the counter is not complete.

[0066] In some aspects, if the UE 115 is monitoring a paging signal in a type 0 PDCCH search space and not in a type 2 PDCCH search space, the UE 115 configures a counter. For example, if the UE 115 is monitoring a paging signal from the BS in a type 2 PDCCH, the UE 115 is not triggered to configure a counter. In some aspects, if the UE 115 is monitoring a paging signal in a type 0 PDCCH search space and / or a type 2 PDCCH search space, the UE 115 configures a counter. In some aspects, the UE 115 stops monitoring a paging signal immediately after receiving a P-RNTI PDCCH.

[0067] Figure 3 3 is a block diagram of a UE 300 according to one or more aspects of the present disclosure. The UE 300 may be as described above. Figure 1 As shown, UE 300 may include a processor 302, a memory 304, a system information module 307, a counter module 308, a paging module 309, a transceiver 310 including a modem subsystem 312 and a radio frequency (RF) unit 314, and one or more antennas 316. These elements may communicate with each other directly or indirectly, for example, via one or more buses.

[0068] The processor 302 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. The processor 302 may also be implemented as a combination of computing devices, for example, a combination of a DSP and a microprocessor, multiple microprocessors, one or more microprocessors in conjunction with a DSP core, or any other such configuration.

[0069] The memory 304 may include cache memory (e.g., cache memory of the processor 302), 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 memory devices, hard drives, other forms of volatile and non-volatile memory, or a combination of different types of memory. In one aspect, the memory 304 includes a non-transitory computer-readable medium. The memory 304 may store or have recorded thereon instructions 306. The instructions 306 may include instructions that, when executed by the processor 302, cause the processor 302 to perform the various aspects of the present disclosure described herein with reference to the UE 115 (e.g., Figure 1-3 and Figure 5-8Instructions 306 may also be referred to as program code. The program code may be used to cause the wireless communication device to perform the operations, for example, by causing one or more processors (such as processor 302) to control or command the wireless communication device to do so. The terms "instructions" and "code" should be interpreted broadly to include any type of computer-readable statements. For example, the terms "instructions" and "code" may refer to one or more programs, routines, subroutines, functions, procedures, etc. "Instructions" and "code" may include a single computer-readable statement or many computer-readable statements.

[0070] The system information module 307, the counter module 308 and / or the paging module 309 may be implemented via hardware, software or a combination thereof. The system information module 307, the counter module 308 and / or the paging module 309 may be implemented as a processor, circuit and / or instruction 306 stored in the memory 304 and executed by the processor 302. In some instances, the system information module 307, the counter module 308 and / or the paging module 309 may be integrated within the modem subsystem 312. The system information module 307, the counter module 308 and / or the paging module 309 may be implemented by a combination of software components (e.g., executed by a DSP or a general purpose processor) and hardware components (e.g., logic gates and circuit systems) within the modem subsystem 312. The system information module 307, the counter module 308 and / or the paging module 309 may be used in various aspects of the present disclosure, for example, Figure 1-3 and 5-8 in all aspects.

[0071] In some aspects, the system information module 307 may be configured to detect or receive a first system information signal from the BS. The first system information signal may correspond to Figure 2 206. The first system information signal may be, for example, a PDCCH for a SIB. The UE 115 may receive one or more system information blocks (e.g., any system information whose PDCCH is identified by the SI-RNTI). The system information module 307 may receive the serving cell signal 222 (e.g., system information) during the PDCCH opportunity 206.

[0072] In some aspects, the counter module 308 may be configured to configure the counter to have an initial counter value in response to receiving a first system information signal (e.g., serving cell 222). In some aspects, the system information module 307 may be configured to receive a second system information signal from the BS. The second system information signal may correspond to Figure 2224 in the PDCCH opportunity 212. For example, the UE 115 may receive a second system information signal (e.g., system information signal 224) during the PDCCH opportunity 212. In some aspects, the counter module 308 may be configured to modify the counter value of the counter in response to receiving the second system information signal. In some aspects, the paging module 309 may be configured to monitor a paging signal from the BS when the counter is not completed. The paging module 309 may be configured to monitor the PDCCH for paging signals. The system information signal may include, for example, a PDCCH for a SIB. In addition, the paging signal may include at least one of a PDCCH for a paging message or a paging message.

[0073] As shown, the transceiver 310 may include a modem subsystem 312 and an RF unit 314. The transceiver 310 may be configured to communicate bidirectionally with other devices, such as the BS 105 or the BS 400. The modem subsystem 312 may be configured to modulate and / or encode data from the memory 304, the tracking module 307, the measurement module 308, and / or the paging module 309 according to a modulation and coding scheme (MCS), such as a low-density parity check (LDPC) coding scheme, a turbo coding scheme, a convolutional coding scheme, a digital beamforming scheme, etc. The RF unit 314 may be configured to process (e.g., perform analog-to-digital conversion or digital-to-analog conversion, etc.) the modulated / encoded data from the modem subsystem 312 (for outbound transmissions) or the modulated / encoded data of a transmission originating from another source, such as the UE 115 or the BS 105. The RF unit 314 may be further configured to perform analog beamforming in conjunction with digital beamforming. Although shown as integrated together in the transceiver 310, the modem subsystem 312 and the RF unit 314 may be separate devices that are coupled together at the UE 115 to enable the UE 115 to communicate with other devices.

[0074] The RF unit 314 may provide modulated and / or processed data (e.g., data packets (or more generally, data messages that may include one or more data packets and other information)) to the antenna 316 for transmission to one or more other devices. The antenna 316 may further receive data messages transmitted from other devices. The antenna 316 may provide the received data messages for processing and / or demodulation at the transceiver 310. The transceiver 310 may provide the demodulated and decoded data (e.g., system information) to the system information module 307, the counter module 308, and / or the paging module 309 for processing. The antenna 316 may include multiple antennas of similar or different designs in order to maintain multiple transmission links. The RF unit 314 may configure the antenna 316.

[0075] In some aspects, the transceiver 310 is configured to receive system information signals by coordinating with the system information module 307 and / or is configured to receive paging signals by coordinating with the paging module 309. In some aspects, the UE 300 may include multiple transceivers 310 that implement different radio access technologies (RATs) (e.g., NR and LTE). In one aspect, the UE 300 may include a single transceiver 310 that implements multiple RATs (e.g., NR and LTE). In one aspect, the transceiver 310 may include various components, where different combinations of components may implement different RATs.

[0076] Figure 4 4 is a block diagram of a BS 400 according to one or more aspects of the present disclosure. BS 400 may be as described above. Figure 1 As shown, BS 400 may include a processor 402, a memory 404, a system information module 407, a paging module 409, a transceiver 410 including a modem subsystem 412 and an RF unit 414, and one or more antennas 416. These elements may communicate with each other directly or indirectly, for example, via one or more buses.

[0077] The processor 402 may have various features as a special-purpose type of processor. For example, these features may include a CPU, a DSP, an ASIC, a controller, an FPGA device, another hardware device, a firmware device, or any combination thereof configured to perform the operations described herein. The processor 402 may also be implemented as a combination of computing devices, for example, a combination of a DSP and a microprocessor, multiple microprocessors, one or more microprocessors in conjunction with a DSP core, or any other such configuration.

[0078] Memory 404 may include cache memory (e.g., cache memory of processor 402), RAM, MRAM, ROM, PROM, EPROM, EEPROM, flash memory, solid-state memory devices, one or more hard disk drives, memristor-based arrays, other forms of volatile and non-volatile memory, or a combination of different types of memory. In some aspects, memory 404 may include non-transitory computer-readable media. Memory 404 may store instructions 406. Instructions 406 may include instructions that, when executed by processor 402, cause processor 402 to perform the operations described herein (e.g., Figure 1 , Figure 2 and Figure 5-7 Instructions 406 may also be referred to as code, which may be broadly interpreted as including the above reference Figure 3 Any type of computer-readable statement in question.

[0079] The system information module 408 and / or the paging module 409 may be implemented via hardware, software, or a combination thereof. The system information module 408 and / or the paging module 409 may be implemented as a processor, circuit, and / or instructions 406 stored in the memory 404 and executed by the processor 402. In some instances, the system information module 408 and / or the paging module 409 may be integrated within the modem subsystem 412. The system information module 408 and / or the paging module 409 may be implemented by a combination of software components (e.g., executed by a DSP or a general purpose processor) and hardware components (e.g., logic gates and circuit systems) within the modem subsystem 412. The system information module 408 and / or the paging module 409 may be used in various aspects of the present disclosure, for example, Figure 1 , Figure 2 and Figure 5-7 all aspects.

[0080] In some aspects, the system information module 408 may be configured to transmit system information and / or system information scheduling information (e.g., SI-RNTI PDCCH) to the UE during one or more PDCCH monitoring opportunities. The system information signal may include, for example, PDCCH detection for SIB. In some aspects, the paging module 409 may be configured to transmit a paging signal to the UE 300. For example, the paging module 409 may transmit a PDCCH to the UE 300 for paging. The paging module 409 may transmit a paging signal to the UE when a counter configured by the UE is not completed. The paging signal may include at least one of a schedule for a paging message or the paging message.

[0081] As shown, the transceiver 410 may include a modem subsystem 412 and an RF unit 414. The transceiver 410 may be configured to communicate bidirectionally with other devices, such as the UE 115 and / or 300 and / or another core network element. The modem subsystem 412 may be configured to modulate and / or encode data according to an MCS (e.g., an LDPC coding scheme, a turbo coding scheme, a convolutional coding scheme, a digital beamforming scheme, etc.). The RF unit 414 may be configured to process (e.g., perform analog-to-digital conversion or digital-to-analog conversion, etc.) modulated / encoded data (e.g., grants, resource allocations, system information, etc.) from the modem subsystem 412 (regarding outbound transmissions) or modulated / encoded data originating from a transmission of another source, such as the UE 115 and / or UE 300. The RF unit 414 may be further configured to perform analog beamforming in conjunction with digital beamforming. Although shown as being integrated together in transceiver 410, modem subsystem 412 and / or RF unit 414 may be separate devices that are coupled together at BS 105 to enable BS 105 to communicate with other devices. RF unit 414 may correspond to an RF transmit chain included in a transmit chain, as discussed in the present disclosure.

[0082] The RF unit 414 may 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 the antenna 416 for transmission to one or more other devices. This may include, for example, information transmission to complete attachment to a network and communication with a resident UE 115 or 300 in accordance with some aspects of the present disclosure. The antenna 416 may further receive data messages transmitted from other devices and provide the received data messages for processing and / or demodulation at the transceiver 410. The transceiver 410 may provide the demodulated and decoded data to the measurement module 408 for processing. The antenna 416 may include multiple antennas of similar or different designs in order to maintain multiple transmission links.

[0083] The transceiver 410 may be configured to transmit a system information signal by coordinating with the system information module 408. In addition, the transceiver 410 may be configured to transmit a paging signal by coordinating with the paging message 409. In some aspects, the BS 400 may include multiple transceivers 410 that implement different RATs (e.g., NR and LTE). In one aspect, the UE 400 may include a single transceiver 410 that implements multiple RATs (e.g., NR and LTE). In one aspect, the transceiver 410 may include various components, where different combinations of components may implement different RATs.

[0084] Figure 5-7A scheduling / transmission configuration method for resetting a paging monitoring counter to a specific value according to one or more aspects of the present disclosure is illustrated. The UE 115 may configure the paging monitoring counter (counter) to have a value X. Figure 5-7 In one embodiment, X is eight. In other embodiments, X can be any number greater than one. Figure 2 and Figure 5-7 To better understand the concepts of the present disclosure.

[0085] In addition, UE 115 may determine the initial counter value (X) based on various techniques. In some aspects, BS 105 may configure the initial value of the counter. The initial value of the counter may have a range such as from two to ten, wherein the initial value of the counter does not exceed ten. For example, BS 105 may configure the initial value of the counter to four or six. BS 105 may configure the counter based on how BS 105 expects to schedule paging messages. For example, if BS 105 expects to transmit a paging signal in the next PDCCH opportunity after transmitting the first system information signal, BS 105 may configure the initial value of the counter to one. In another example, BS 105 may expect to transmit a paging signal after transmitting a system information signal for all DL beams (e.g., eight DL beams), and BS 105 may configure the initial value of the counter to eight. In some aspects, the initial counter value may be a reference value stored at the UE. For example, the reference value may be hard-coded at the UE (e.g., X=1). In some aspects, the UE 115 may determine the initial counter value based on the number of DL beams supported by the BS 105. The number of DL beams allows the BS 105 to transmit RMSI and / or paging messages for the other remaining beams.

[0086] Figure 5 The scheduling / transmission configuration method 500 for resetting a counter to an initial value of the counter according to one or more aspects of the present disclosure is illustrated. The scheduling / transmission configuration method 500 may be employed by a BS (such as BS 105) and a UE (such as UE 115) in a network (such as network 100) for communication. Figure 5 In , the x-axis represents time in some arbitrary units. Figure 5 In the example, the counter has an initial value of 8. UE 115 may configure the counter to have an initial counter value (e.g., X=8) in response to receiving the first system information signal. The first system information signal may be any signal from the serving cell. For example, the UE may Figure 2206 during the PDCCH opportunity 208. For each performed PDCCH monitoring opportunity before receiving the subsequent system information signal, the UE 115 may update the counter value by decrementing the current counter value of the counter by one. For example, the UE 115 may decrement the counter value to seven to correspond to the PDCCH opportunity 208, and may decrement the counter value to six to correspond to the PDCCH opportunity 210. The updated counter value is six before monitoring the PDCCH opportunity 212.

[0087] UE 115 modifies the counter value in response to receiving the second system information signal by resetting the updated counter to the initial counter value. The second system information signal may correspond to Figure 2 224 in the system information signal 224. UE 115 may reset the current counter value (which is six) to eight (which is the initial counter value of the counter when the counter is started). Each time UE 115 receives a system information signal when the counter is not complete, the UE may modify the counter value by resetting the updated counter to the initial counter value. UE 115 may continue to monitor the paging signal from BS 105 when the counter is not complete (e.g., not zero). UE 115 continues to decrement the counter value (e.g., Figure 5 ), until the counter value reaches zero, at which time the counter expires. UE 115 stops monitoring the paging signal in response to the expiration of the counter.

[0088] Figure 6 The scheduling / transmission configuration method 600 for resetting a counter value to a current counter value according to one or more aspects of the present disclosure is illustrated. The scheduling / transmission configuration method 600 may be employed by a BS (such as BS 105) and a UE (such as UE 115) in a network (such as network 100) for communication. Figure 6 In , the x-axis represents time in some arbitrary units. Figure 6 , the counter has an initial value of 8. UE 115 may configure the counter to have an initial counter value (e.g., X=8) in response to receiving the first system information signal. For each PDCCH monitoring opportunity performed before receiving the subsequent system information signal, UE 115 may update the counter value by subtracting one from the current counter value of the counter. For example, UE 115 may decrement the counter value to seven to correspond to PDCCH opportunity 208, and may decrement the counter value to six to correspond to PDCCH opportunity 210. The updated counter value is six before monitoring PDCCH opportunity 212.

[0089] UE 115 modifies the counter value in response to receiving the second system information signal by resetting the updated counter to the current counter value. The second system information signal may correspond to Figure 2 224 in the system information signal 224. UE 115 may reset the current counter value (which is six) to six. In this example, UE 115 does not decrement the counter value. Each time UE 115 receives a system information signal when the counter is not complete, the UE may modify the counter value by resetting the updated counter to the current counter value. UE 115 may continue to monitor the paging signal from BS 105 when the counter is not complete (e.g., not zero). UE 115 continues to decrement the counter value (e.g., Figure 6 ), until the counter value reaches zero, at which time the counter expires. UE 115 stops monitoring the paging signal in response to the expiration of the counter.

[0090] Figure 7 The scheduling / transmission configuration method 700 for incrementing a counter based on the number of DL beams supported by a BS according to one or more aspects of the present disclosure is illustrated. The scheduling / transmission configuration method 700 may be employed by a BS (such as BS 105) and a UE (such as UE 115) in a network (such as network 100) for communication. Figure 7 In , the x-axis represents time in some arbitrary units. Figure 7 , the counter has an initial value of 8. UE 115 may configure the counter to have an initial counter value (e.g., X=8) in response to receiving the first system information signal. For each PDCCH monitoring opportunity performed before receiving the subsequent system information signal, UE 115 may update the counter value by subtracting one from the current counter value of the counter. For example, UE 115 may decrement the counter value to seven to correspond to PDCCH opportunity 208, and may decrement the counter value to six to correspond to PDCCH opportunity 210. The updated counter value is six before monitoring PDCCH opportunity 212.

[0091] The UE 115 modifies the counter value in response to receiving the second system information signal by incrementing the updated counter value based on the number of DL beams associated with at least one of the first system information signal or the second system information signal. The DL beams may be supported by the BS. The second system information signal may correspond to Figure 2224 in the system information signal 224. UE 115 may reset the updated counter value by incrementing the updated counter value by one (which is the number of DL beams associated with at least one of the first system information signal or the second system information signal). Therefore, UE 115 resets the updated counter value to seven (six plus one). Each time UE 115 receives a system information signal when the counter is not complete, the UE may modify the counter value by incrementing the updated counter value based on the number of DL beams associated with at least one of the first system information signal or the second system information signal. UE 115 may continue to monitor the paging signal from BS 105 when the counter is not complete (e.g., not zero). UE 115 continues to decrement the counter value (e.g., Figure 7 ), until the counter value reaches zero, at which time the counter expires. UE 115 stops monitoring the paging signal in response to the expiration of the counter.

[0092] exist Figure 5 In , UE 115 monitors the paging signal during twelve PDCCH opportunities before the counter expires. Figure 6 In , UE 115 monitors the paging signal during ten PDCCH opportunities before the counter expires. Figure 7 In , UE 115 monitors the paging signal during the eleven PDCCH opportunities before the counter expires. Figure 5 , 6 As observed in Figures 7 and 8, the counter value is modified to allow the UE 115 to extend the duration of the grace period during which the UE 115 can monitor the PDCCH. The grace period extension takes into account that the BS 105 must prioritize system information signals over paging signals when acquiring the COT in the channel. In some aspects, the initial value of the counter may depend on channel congestion (e.g., congestion of the channel). For example, if the channel is congested, the UE 115 may configure the counter to have a higher initial value to accommodate the amount of traffic (e.g., system information) that the BS 105 can transmit.

[0093] Figure 8 800 is a flow diagram of a wireless communication method 800 according to one or more aspects of the present disclosure. The blocks of method 800 may be performed by a computing device (e.g., a processor, processing circuitry, and / or other suitable components) of a wireless communication device (such as UE 115). As illustrated, method 800 includes several enumerated blocks, but aspects of method 800 may include additional blocks before, after, and between these enumerated blocks. In some aspects, one or more of the enumerated blocks may be omitted or performed in a different order.

[0094] At block 810, method 800 includes receiving, by a user equipment (UE), a first system information signal from a base station (BS). The first system information signal may be, for example, a PDCCH for a SIB. The serving cell signal 222 may be similar to the first system information signal. In some cases, the UE may utilize one or more components, such as a processor 302, a memory 304, a system information module 307, a counter module 308, a paging module 309, a transceiver 310, a modem 312, and one or more antennas 316, to receive the first system information signal. The first system information signal may be any system information whose PDCCH is identified by a SI-RNTI. For example, the first system information signal may be a first serving cell signal from a BS, RMSI, SSB, SIB, etc.

[0095] At block 820, method 800 includes configuring, by the UE in response to receiving the first system information signal, a counter to have an initial counter value. In some cases, the UE may utilize one or more components, such as the processor 302, the memory 304, the system information module 307, the counter module 308, the paging module 309, the transceiver 310, the modem 312, and one or more antennas 316, to configure the counter to have an initial counter value in response to receiving the first system information signal. The UE may configure the counter to have an initial counter value by, for example, receiving the initial counter value from the BS, configuring the counter to have a reference value hard-coded at the UE, or configuring the counter to have a value based on the number of DL beams associated with at least one of the first system information signal or the second system information signal.

[0096] At block 830, method 800 includes receiving, by the UE, a second system information signal from the BS. The second system information signal may be, for example, a second PDCCH for a second SIB. In some cases, the UE may utilize one or more components, such as a processor 302, a memory 304, a system information module 307, a counter module 308, a paging module 309, a transceiver 310, a modem 312, and one or more antennas 316, to receive the second system information signal. The UE may receive the second system information signal by receiving scheduling information for the first SIB1, and may receive the second system information signal by receiving scheduling information for the second SIB1.

[0097] At block 840, method 800 includes modifying, by the UE, a counter value of the counter in response to receiving the second system information signal. In some cases, the UE may utilize one or more components, such as processor 302, memory 304, system information module 307, counter module 308, paging module 309, transceiver 310, modem 312, and one or more antennas 316, to modify the counter value of the counter in response to receiving the second system information signal. The UE may modify the counter value by, for example, resetting the updated counter value to an initial counter value, resetting the updated counter value to a current counter value, or incrementing the updated counter value based on the number of DL beams associated with at least one of the first system information signal or the second system information signal.

[0098] At block 850, method 800 includes monitoring, by the UE, a paging signal from the BS when the counter is not completed. In some cases, the UE may utilize one or more components, such as a processor 302, a memory 304, a system information module 307, a counter module 308, a paging module 309, a transceiver 310, a modem 312, and one or more antennas 316, to monitor a paging signal from the BS when the counter is not completed. The paging signal may be a schedule for a paging message or at least one of the paging messages. For example, the UE may monitor a paging schedule in a type 0 PDCCH search space and / or a type 2 PDCCH search space until the counter expires.

[0099] In addition, the UE may receive a third system information signal from the BS and modify the counter value in response to receiving the third system information signal. When the counter expires, the UE may stop monitoring the paging signal from the BS. For example, the UE may enter a power saving state (e.g., a DRX sleep state) in response to stopping monitoring the paging signal. If the UE receives a paging signal from the BS when the counter is not completed, the UE may stop monitoring the paging signal from the BS in response to receiving the paging signal.

[0100] Information and signals may be represented using any of a variety of different techniques and technologies. For example, data, instructions, commands, information, signals, bits, symbols, and chips that may be mentioned throughout the above description may be represented by voltage, current, electromagnetic waves, magnetic fields or particles, optical fields or particles, or any combination thereof.

[0101] The various illustrative blocks and modules described in conjunction with the disclosure herein may be implemented or executed with a general purpose processor, a DSP, an ASIC, an 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 in an alternative, 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, a plurality of microprocessors, one or more microprocessors in conjunction with a DSP core, or any other such configuration).

[0102] The functions described herein may be implemented in hardware, software executed by a processor, firmware, or any combination thereof. If implemented in software executed by a processor, each function may be stored on a computer-readable medium or transmitted therefrom as one or more instructions or codes. Other examples and implementations fall within the scope of the present disclosure and the appended claims. For example, due to the nature of software, the above functions may be implemented using software, hardware, firmware, hard wiring, or any combination thereof executed by a processor. The features that implement the functions may also be physically located in various locations, including being distributed so that the various parts of the functions are implemented at different physical locations. In addition, as used herein (including in the claims), the "or" used in the enumeration of items (e.g., enumeration of items with phrases such as "at least one of" or "one or more of") indicates an inclusive enumeration, so that, for example, the enumeration 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).

[0103] As will be appreciated by those skilled in the art and depending on the specific application at hand, many modifications, substitutions and changes may be made to the materials, devices, configurations and methods of use of the apparatus of the present disclosure without departing from the spirit and scope of the present disclosure. In view of this, the scope of the present disclosure should not be limited to the specific aspects illustrated and described herein (as they are merely examples of the present disclosure), but should be fully equivalent to the attached claims and their functional equivalents.

Claims

1. A method of wireless communication, comprising: Receiving, by a user equipment (UE), a first system information signal from a base station; configuring, by the UE in response to receiving the first system information signal, a counter to have an initial counter value; Receiving, by the UE, a second system information signal from the base station; and modifying, by the UE in response to receiving the second system information signal, a counter value of the counter, wherein modifying the counter value comprises at least one of: resetting the updated counter value to the initial counter value; resetting the updated counter value to the current counter value of the counter; or incrementing an updated counter value based on a number of downlink (DL) beams associated with at least one of the first system information signal or the second system information signal; as well as The UE monitors a paging signal from the base station when the counter is not completed.

2. The method of claim 1, wherein monitoring the paging signal comprises performing, by the UE, one or more physical downlink control channel (PDCCH) monitoring opportunities, the method further comprising For each PDCCH monitoring occasion performed before receiving the second system information signal, the counter value is updated by the UE by decrementing a current counter value of the counter by one. 3 . The method of claim 2 , wherein modifying the counter value comprises resetting the updated counter value to the initial counter value. The method of claim 2 , wherein modifying the counter value comprises resetting the updated counter value to the current counter value.

5. The method of claim 2, wherein modifying the counter value comprises incrementing an updated counter value based on a number of downlink (DL) beams associated with at least one of the first system information signal or the second system information signal.

6. The method of claim 1, comprising: The UE stops monitoring the paging signal from the base station when the counter expires.

7. The method of claim 6, comprising: A power saving state is entered by the UE in response to ceasing to monitor the paging signal.

8. The method of claim 7, wherein the power saving state is a discontinuous reception (DRX) sleep state.

9. The method of claim 1, wherein monitoring the paging signal comprises monitoring, by the UE, a paging schedule in a type 0 PDCCH search space until the counter expires.

10. The method of claim 1, wherein monitoring the paging signal comprises monitoring, by the UE, a paging schedule in a type 0 PDCCH search space and in a type 2 PDCCH search space until the counter expires.

11. The method of claim 1, wherein receiving the first system information signal comprises receiving a first serving cell signal from the base station.

12. The method of claim 1, wherein receiving the first system information signal comprises receiving a schedule for first system information, and wherein receiving the second system information signal comprises receiving a schedule for second system information.

13. The method of claim 1, wherein receiving the first system information signal comprises receiving a PDCCH for a first system information block 1 (SIB1), and wherein receiving the second system information signal comprises receiving a PDCCH for a second SIB1.

14. The method of claim 1, wherein receiving the paging signal comprises receiving a schedule for a paging message.

15. The method of claim 1, further comprising: The initial counter value is received from the base station.

16. The method of claim 1, wherein configuring the counter to have the initial counter value comprises configuring the counter to have a reference value.

17. The method of claim 1, wherein configuring the counter to have the initial counter value comprises configuring the counter to have a value based on a number of DL beams associated with at least one of the first system information signal or the second system information signal.

18. The method of claim 1, comprising: Receiving, by the UE, a third system information signal from the base station; as well as The counter value is modified by the UE in response to receiving the third system information signal.

19. The method of claim 1, comprising: receiving, by the UE, the paging signal from the base station based on monitoring the paging signal while the counter is not completed; as well as The UE stops monitoring the paging signal from the base station in response to receiving the paging signal.

20. An apparatus for wireless communication, comprising: A transceiver, the transceiver being configured to: Receiving, by a user equipment (UE), a first system information signal from a base station; as well as receiving, by the UE, a second system information signal from the base station; and A processor configured to: configuring, by the UE in response to receiving the first system information signal, a counter to have an initial counter value; modifying, by the UE in response to receiving the second system information signal, a counter value of the counter, wherein the processor is configured to modify the counter value by performing at least one of: resetting the updated counter value to the initial counter value; resetting the updated counter value to the current counter value of the counter; or incrementing an updated counter value based on a number of downlink (DL) beams associated with at least one of the first system information signal or the second system information signal; as well as The UE monitors a paging signal from the base station when the counter is not completed.

21. The apparatus of claim 20, wherein the processor is configured to: performing, by the UE, one or more physical downlink control channel (PDCCH) monitoring opportunities; and For each PDCCH monitoring opportunity performed before the transceiver receives the second system information signal, the counter value is updated by the UE by decrementing a current counter value of the counter by one.

22. The apparatus of claim 20, wherein the processor is configured to: determining, by the UE, that the counter has expired; and The UE stops monitoring the paging signal from the base station when the counter expires.

23. The apparatus of claim 22, wherein the processor is configured to: A power saving state is entered by the UE in response to ceasing to monitor the paging signal, wherein the power saving state is a discontinuous reception (DRX) dormant state.

24. The apparatus of claim 20, wherein the processor is configured to monitor, by the UE, the paging signal in at least one of a type 0 PDCCH search space or a type 2 PDCCH search space until the counter expires.

25. The apparatus of claim 20, wherein the transceiver is configured to receive the first system information signal by receiving a first serving cell signal from the base station.

26. The apparatus of claim 20, wherein the processor is configured to configure the counter to have at least one of: reference value; or Based on a value of a number of DL beams associated with at least one of the first system information signal or the second system information signal.

27. The device of claim 20, wherein the transceiver is configured to receive, by the UE, a third system information signal from the base station; and The processor is configured to modify the counter value by the UE in response to receiving the third system information signal.

28. The device of claim 20, wherein the transceiver is configured to receive, by the UE, the paging signal from the base station based on monitoring the paging signal when the counter is not completed; and The processor is configured to cause the UE to stop monitoring the paging signal from the base station in response to receiving the paging signal.

29. A device for wireless communication, comprising: means for receiving a first system information signal from a base station; means for configuring a counter to have an initial counter value in response to receiving said first system information signal; means for receiving a second system information signal from the base station; means for modifying a counter value of the counter in response to receiving the second system information signal, wherein the means for modifying the counter value comprises at least one of: means for resetting the updated counter value to the initial counter value; means for resetting the updated counter value to a current counter value of said counter; or means for incrementing an updated counter value based on a number of downlink (DL) beams associated with at least one of the first system information signal or the second system information signal; as well as means for monitoring a paging signal from the base station when the counter is not complete.

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