Physical downlink control channel monitoring
By employing PDCCH skipping and UTO-UCI to manage PDCCH monitoring and transmission overlaps, the solution addresses latency and power consumption issues in sub-band full-duplex operations, improving communication efficiency.
Patent Information
- Application Number
- PCT/US2024/059333
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2024-01-02
- Filing Date
- 2024-12-10
- Publication Date
- 2025-07-10
AI Technical Summary
Existing wireless communication systems face challenges in efficiently managing PDCCH monitoring and uplink/downlink transmission overlaps in sub-band full-duplex operations, leading to increased latency and power consumption.
Implementing PDCCH skipping and SSSG switching based on PDCCH monitoring adaptation fields, along with UTO-UCI to prioritize uplink or downlink transmissions, allowing for flexible resource allocation and reduced latency.
Reduces latency and power consumption by optimizing PDCCH monitoring and transmission prioritization in sub-band full-duplex operations, enhancing communication efficiency.
Smart Images

Figure US2024059333_10072025_PF_FP_ABST
Abstract
Description
PHYSICAL DOWNLINK CONTROL CHANNEL MONITORING CROSS-REFERENCE TO RELATED APPLICATION
[0001] This Patent Application claims priority to U.S. Patent Application No.18 / 402,253, filed on January 2, 2024, entitled “PHYSICAL DOWNLINK CONTROL CHANNEL MONITORING,” and assigned to the assignee hereof. The disclosure of the prior Application is considered part of and is incorporated by reference into this Patent Application. FIELD OF THE DISCLOSURE
[0002] Aspects of the present disclosure generally relate to wireless communication and specifically relate to techniques, apparatuses, and methods for physical downlink control channel monitoring. BACKGROUND
[0003] Wireless communication systems are widely deployed to provide various services that may include carrying voice, text, messaging, video, data, and / or other traffic. The services may include unicast, multicast, and / or broadcast services, among other examples. Typical wireless communication systems may employ multiple-access radio access technologies (RATs) capable of supporting communication with multiple users by sharing available system resources (for example, time domain resources, frequency domain resources, spatial domain resources, and / or device transmit power, among other examples). Examples of such multiple-access RATs include code division multiple access (CDMA) systems, time division multiple access (TDMA) systems, frequency division multiple access (FDMA) systems, orthogonal frequency division multiple access (OFDMA) systems, single-carrier frequency division multiple access (SC-FDMA) systems, and time division synchronous code division multiple access (TD-SCDMA) systems.
[0004] The above multiple-access RATs have been adopted in various telecommunication standards to provide common protocols that enable different wireless communication devices to communicate on a municipal, national, regional, or global level. An example telecommunication standard is New Radio (NR). NR, which may also be referred to as 5G, is part of a continuous mobile broadband evolution promulgated by the Third Generation Partnership Project (3GPP). NR (and other mobile broadband evolutions beyond NR) may be designed to better support Internet of things (IoT) and reduced capability device deployments, industrial connectivity, millimeter wave (mmWave) expansion, licensed and unlicensed spectrum access, non-terrestrial network (NTN) deployment, sidelink and other device-to-device direct communication technologies (for example, cellular vehicle-to-everything (CV2X) communication), massive multiple-input multiple-output (MIMO), disaggregated network architectures and network topology expansions, multiple-subscriber implementations, high-precision positioning, and / or radio frequency (RF) sensing, among other examples. As the demand for mobile broadband 0097-5220PCT 1access continues to increase, further improvements in NR may be implemented, and other radio access technologies such as 6G may be introduced, to further advance mobile broadband evolution. SUMMARY
[0005] In some aspects, a method of wireless communication performed by a user equipment (UE) includes performing, in accordance with a sub-band full-duplex (SBFD) operation, physical downlink control channel (PDCCH) skipping based at least in part on a PDCCH monitoring adaptation field, wherein the PDCCH skipping includes skipping PDCCH monitoring for a duration that begins at a beginning of a first slot that is after a last symbol of a PDCCH reception that provides a downlink control information (DCI) format with the PDCCH monitoring adaptation field, and wherein the PDCCH monitoring adaptation field indicates for the UE to perform the PDCCH skipping for the duration on an active downlink bandwidth-part (BWP) of a serving cell; detecting, within a resource that occurs during the duration, an overlap between a PDCCH monitoring occasion and an uplink transmission by the UE; and transmitting the uplink transmission within the resource based at least in part on the overlap between the PDCCH monitoring occasion and the uplink transmission.
[0006] In some aspects, a method of wireless communication performed by a UE includes obtaining an indication to prioritize uplink transmissions over downlink communications within an SBFD resource; transmitting unused transmission occasion (UTO) uplink control information (UTO-UCI) indicating that the UE is to skip an uplink transmission occasion within the SBFD resource; and assigning a priority to a downlink communication within the SBFD resource that is a higher than a priority of an uplink transmission associated with the uplink transmission occasion based at least in part on the UTO-UCI.
[0007] In some aspects, a method of wireless communication performed by a network node includes transmitting, in accordance with an SBFD operation, a PDCCH skipping indication that is included within a PDCCH monitoring adaptation field, wherein the PDCCH skipping indication indicates for a UE to skip PDCCH monitoring for a duration that begins at a beginning of a first slot that is after a last symbol of a PDCCH reception that provides a DCI format with the PDCCH monitoring adaptation field, and wherein the PDCCH monitoring adaptation field indicates for the UE to perform the PDCCH skipping for the duration on an active downlink BWP of a serving cell; and receiving an uplink transmission within a resource that occurs during the duration based at least in part on an overlap between a PDCCH monitoring occasion and the uplink transmission.
[0008] In some aspects, a method of wireless communication performed by a network node includes receiving UTO-UCI indicating that a UE is to skip an uplink transmission occasion 0097-5220PCT 2within an SBFD resource; and transmitting a downlink communication within the SBFD resource based at least in part on the UTO-UCI.
[0009] In some aspects, an apparatus for wireless communication at a UE includes one or more memories; and one or more processors, coupled to the one or more memories, configured to cause the UE to: perform, in accordance with an SBFD operation, PDCCH skipping based at least in part on a PDCCH monitoring adaptation field, wherein the PDCCH skipping includes skipping PDCCH monitoring for a duration that begins at a beginning of a first slot that is after a last symbol of a PDCCH reception that provides a DCI format with the PDCCH monitoring adaptation field, and wherein the PDCCH monitoring adaptation field indicates for the UE to perform the PDCCH skipping for the duration on an active downlink BWP of a serving cell; detect, within a resource that occurs during the duration, an overlap between a PDCCH monitoring occasion and an uplink transmission by the UE; and transmit the uplink transmission within the resource based at least in part on the overlap between the PDCCH monitoring occasion and the uplink transmission.
[0010] In some aspects, an apparatus for wireless communication at a UE includes one or more memories; and one or more processors, coupled to the one or more memories, configured to cause the UE to: obtain an indication to prioritize uplink transmissions over downlink communications within an SBFD resource; transmit UTO-UCI indicating that the UE is to skip an uplink transmission occasion within the SBFD resource; and assign a priority to a downlink communication within the SBFD resource that is a higher than a priority of an uplink transmission associated with the uplink transmission occasion based at least in part on the UTO-UCI.
[0011] In some aspects, an apparatus for wireless communication at a network node includes one or more memories; and one or more processors, coupled to the one or more memories, configured to cause the network node to: transmit, in accordance with an SBFD operation, a PDCCH skipping indication that is included within a PDCCH monitoring adaptation field, wherein the PDCCH skipping indication indicates for a UE to skip PDCCH monitoring for a duration that begins at a beginning of a first slot that is after a last symbol of a PDCCH reception that provides a DCI format with the PDCCH monitoring adaptation field, and wherein the PDCCH monitoring adaptation field indicates for the UE to perform the PDCCH skipping for the duration on an active downlink BWP of a serving cell; and receive an uplink transmission within a resource that occurs during the duration based at least in part on an overlap between a PDCCH monitoring occasion and the uplink transmission.
[0012] In some aspects, an apparatus for wireless communication at a network node includes one or more memories; and one or more processors, coupled to the one or more memories, configured to cause the network node to: receive UTO-UCI indicating that a UE is to skip an 0097-5220PCT 3uplink transmission occasion within an SBFD resource; and transmit a downlink communication within the SBFD resource based at least in part on the UTO-UCI.
[0013] In some aspects, a non-transitory computer-readable medium storing a set of instructions for wireless communication includes one or more instructions that, when executed by one or more processors of a UE, cause the UE to: perform, in accordance with an SBFD operation, PDCCH skipping based at least in part on a PDCCH monitoring adaptation field, wherein the PDCCH skipping includes skipping PDCCH monitoring for a duration that begins at a beginning of a first slot that is after a last symbol of a PDCCH reception that provides a DCI format with the PDCCH monitoring adaptation field, and wherein the PDCCH monitoring adaptation field indicates for the UE to perform the PDCCH skipping for the duration on an active downlink BWP of a serving cell; detect, within a resource that occurs during the duration, an overlap between a PDCCH monitoring occasion and an uplink transmission by the UE; and transmit the uplink transmission within the resource based at least in part on the overlap between the PDCCH monitoring occasion and the uplink transmission.
[0014] In some aspects, a non-transitory computer-readable medium storing a set of instructions for wireless communication includes one or more instructions that, when executed by one or more processors of a UE, cause the UE to: obtain an indication to prioritize uplink transmissions over downlink communications within an SBFD resource; transmit UTO-UCI indicating that the UE is to skip an uplink transmission occasion within the SBFD resource; and assign a priority to a downlink communication within the SBFD resource that is a higher than a priority of an uplink transmission associated with the uplink transmission occasion based at least in part on the UTO-UCI.
[0015] In some aspects, a non-transitory computer-readable medium storing a set of instructions for wireless communication includes one or more instructions that, when executed by one or more processors of a network node, cause the network node to: transmit, in accordance with an SBFD operation, a PDCCH skipping indication that is included within a PDCCH monitoring adaptation field, wherein the PDCCH skipping indication indicates for a UE to skip PDCCH monitoring for a duration that begins at a beginning of a first slot that is after a last symbol of a PDCCH reception that provides a DCI format with the PDCCH monitoring adaptation field, and wherein the PDCCH monitoring adaptation field indicates for the UE to perform the PDCCH skipping for the duration on an active downlink BWP of a serving cell; and receive an uplink transmission within a resource that occurs during the duration based at least in part on an overlap between a PDCCH monitoring occasion and the uplink transmission.
[0016] In some aspects, a non-transitory computer-readable medium storing a set of instructions for wireless communication includes one or more instructions that, when executed by one or more processors of a network node, cause the network node to: receive UTO-UCI 0097-5220PCT 4indicating that a UE is to skip an uplink transmission occasion within an SBFD resource; and transmit a downlink communication within the SBFD resource based at least in part on the UTO- UCI.
[0017] In some aspects, an apparatus for wireless communication includes means for performing, in accordance with an SBFD operation, PDCCH skipping based at least in part on a PDCCH monitoring adaptation field, wherein the PDCCH skipping includes skipping PDCCH monitoring for a duration that begins at a beginning of a first slot that is after a last symbol of a PDCCH reception that provides a DCI format with the PDCCH monitoring adaptation field, and wherein the PDCCH monitoring adaptation field indicates for a UE to perform the PDCCH skipping for the duration on an active downlink BWP of a serving cell; means for detecting, within a resource that occurs during the duration, an overlap between a PDCCH monitoring occasion and an uplink transmission by the UE; and means for transmitting the uplink transmission within the resource based at least in part on the overlap between the PDCCH monitoring occasion and the uplink transmission.
[0018] In some aspects, an apparatus for wireless communication includes means for obtaining an indication to prioritize uplink transmissions over downlink communications within an SBFD resource; means for transmitting UTO-UCI indicating that a UE is to skip an uplink transmission occasion within the SBFD resource; and means for assigning a priority to a downlink communication within the SBFD resource that is a higher than a priority of an uplink transmission associated with the uplink transmission occasion based at least in part on the UTO-UCI.
[0019] In some aspects, an apparatus for wireless communication includes means for transmitting, in accordance with an SBFD operation, a PDCCH skipping indication that is included within a PDCCH monitoring adaptation field, wherein the PDCCH skipping indication indicates for a UE to skip PDCCH monitoring for a duration that begins at a beginning of a first slot that is after a last symbol of a PDCCH reception that provides a DCI format with the PDCCH monitoring adaptation field, and wherein the PDCCH monitoring adaptation field indicates for the UE to perform the PDCCH skipping for the duration on an active downlink BWP of a serving cell; and means for receiving an uplink transmission within a resource that occurs during the duration based at least in part on an overlap between a PDCCH monitoring occasion and the uplink transmission.
[0020] In some aspects, an apparatus for wireless communication includes means for receiving UTO-UCI indicating that a UE is to skip an uplink transmission occasion within an SBFD resource; and means for transmitting a downlink communication within the SBFD resource based at least in part on the UTO-UCI.
[0021] Aspects of the present disclosure may generally be implemented by or as a method, apparatus, system, computer program product, non-transitory computer-readable medium, user 0097-5220PCT 5equipment, base station, network node, network entity, wireless communication device, and / or processing system as substantially described with reference to, and as illustrated by, the specification and accompanying drawings.
[0022] The foregoing paragraphs of this section have broadly summarized some aspects of the present disclosure. These and additional aspects and associated advantages will be described hereinafter. The disclosed aspects may be used as a basis for modifying or designing other aspects for carrying out the same or similar purposes of the present disclosure. Such equivalent aspects do not depart from the scope of the appended claims. Characteristics of the aspects disclosed herein, both their organization and method of operation, together with associated advantages, will be better understood from the following description when considered in connection with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] The appended drawings illustrate some aspects of the present disclosure, but are not limiting of the scope of the present disclosure because the description may enable other aspects. Each of the drawings is provided for purposes of illustration and description, and not as a definition of the limits of the claims. The same or similar reference numbers in different drawings may identify the same or similar elements.
[0024] Fig.1 is a diagram illustrating an example of a wireless communication network, in accordance with the present disclosure.
[0025] Fig.2 is a diagram illustrating an example network node in communication with an example user equipment (UE) in a wireless network, in accordance with the present disclosure.
[0026] Fig.3 is a diagram illustrating an example disaggregated base station architecture, in accordance with the present disclosure.
[0027] Fig.4 is a diagram illustrating examples of sub-band full-duplex operations, in accordance with the present disclosure.
[0028] Fig.5 is a diagram illustrating an example of physical downlink control channel skipping, in accordance with the present disclosure.
[0029] Fig.6 is a diagram illustrating an example of physical uplink control channel skipping, in accordance with the present disclosure.
[0030] Fig.7 is a diagram illustrating an example process performed, for example, at a UE or an apparatus of a UE, in accordance with the present disclosure.
[0031] Fig.8 is a diagram illustrating an example process performed, for example, at a UE or an apparatus of a UE, in accordance with the present disclosure.
[0032] Fig.9 is a diagram illustrating an example process performed, for example, at a network node or an apparatus of a network node, in accordance with the present disclosure. 0097-5220PCT 6
[0033] Fig.10 is a diagram illustrating an example process performed, for example, at a network node or an apparatus of a network node, in accordance with the present disclosure.
[0034] Fig.11 is a diagram of an example apparatus for wireless communication, in accordance with the present disclosure.
[0035] Fig.12 is a diagram of an example apparatus for wireless communication, in accordance with the present disclosure. DETAILED DESCRIPTION
[0036] Various aspects of the present disclosure are described hereinafter with reference to the accompanying drawings. However, aspects of the present disclosure may be embodied in many different forms and is not to be construed as limited to any specific aspect illustrated by or described with reference to an accompanying drawing or otherwise presented in this disclosure. Rather, these aspects are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. One skilled in the art may appreciate that the scope of the disclosure is intended to cover any aspect of the disclosure disclosed herein, whether implemented independently of or in combination with any other aspect of the disclosure. For example, an apparatus may be implemented or a method may be practiced using various combinations or quantities of the aspects set forth herein. In addition, the scope of the disclosure is intended to cover an apparatus having, or a method that is practiced using, other structures and / or functionalities in addition to or other than the structures and / or functionalities with which various aspects of the disclosure set forth herein may be practiced. Any aspect of the disclosure disclosed herein may be embodied by one or more elements of a claim.
[0037] Several aspects of telecommunication systems will now be presented with reference to various methods, operations, apparatuses, and techniques. These methods, operations, apparatuses, and techniques will be described in the following detailed description and illustrated in the accompanying drawings by various blocks, modules, components, circuits, steps, processes, or algorithms (collectively referred to as “elements”). These elements may be implemented using hardware, software, or a combination of hardware and software. Whether such elements are implemented as hardware or software depends upon the particular application and design constraints imposed on the overall system.
[0038] A user equipment (UE) and a network node may communicate in a wireless communication network. The network node may transmit physical downlink control channel (PDCCH) monitoring information that indicates for the UE to monitor one or more PDCCH occasions. In some examples, the PDCCH monitoring information may indicate for the UE to monitor only a portion of a plurality of PDCCH occasions, which may reduce a power consumption at the UE and, thereby, enable power saving at the UE. For example, the network 0097-5220PCT 7node may transmit scheduling downlink control information (DCI) that includes a two-bit PDCCH monitoring adaptation field (PDCCHmonitoringadaptation) that indicates for the UE to perform PDCCH skipping and / or that indicates for the UE to perform search space set group (SSSG) switching. The indication for the UE to perform PDCCH skipping may be an indication for the UE to skip PDCCH monitoring for a duration on an active downlink (DL) bandwidth-part (BWP) of a serving cell, and to start skipping PDCCH monitoring at a beginning of a first slot that is after a last symbol of a PDCCH reception providing the DCI format with the PDCCH monitoring adaptation field. The indication for the UE to perform SSSG switching may be an indication for the UE to start PDCCH monitoring according to search space sets with a first group index and to stop PDCCH monitoring according to search space sets with a second group index, and to apply the indication at the beginning of a first slot that is at least symbols after the last symbol of the PDCCH reception providing the DCI format with the PDCCH monitoringadaptation field when 0, 1, 2, 3 .
[0039] In some examples, the scheduling DCI can be used to indicate one or more of the following behaviors (for example, one or more behaviors associated with a unified design for PDCCH skipping and SSSG switching). A behavior (behavior 1) associated with PDCCH skipping may indicate that PDCCH skipping is not activated or triggered. Another behavior (behavior 1A) associated with PDCCH skipping may indicate to stop PDCCH monitoring for a duration X. A behavior (behavior 2) associated with SSSG switching may indicate for the UE to stop monitoring search space (SS) sets associated with SSSG#1 and SSSG#2, and to monitor SS sets associated with SSSG#0. Another behavior (behavior 2A) associated with SSSG switching may indicate for the UE to stop monitoring SS sets associated with SSSG#0 and SSSG#2, and to monitor SS sets associated with SSSG#1. Another behavior (behavior 2B) associated with SSSG switching may indicate for the UE to stop monitoring SS sets associated with SSSG#0 and SSSG#1, and to monitor SS sets associated with SSSG#2. One of the behaviors may be mapped to a codepoint of an indication field in the scheduling DCI. In some cases, PDCCH skipping and SSSG switching may be applied at least for Type 3 common search space (CSS) and UE-specific search space (USS) operations. Other common search spaces may always be monitored regardless of SSSG switching and PDCCH skipping. In some examples, for Behavior 1A, the UE can be indicated with a value of X among M radio resource control (RRC)-configured values.
[0040] In some examples, PDCCH monitoring occasions may be prioritized over uplink transmissions. For example, a PDCCH monitoring occasion or search space within an SBFD resource may be prioritized over a conflicting sounding reference signal (SRS), physical uplink control channel (PUCCH), or physical uplink shared channel (PUSCH) transmission. However, this priority may need to be updated when the UE is performing PDCCH skipping or SSSG switching. For example, in a sub-band full-duplex (SBFD) resource during which the UE is 0097-5220PCT 8performing PDCCH skipping or SSSG switching, prioritizing PDCCH monitoring over an SRS, PUCCH, or PUSCH transmission may result in no uplink transmissions or downlink receptions occurring within the SBFD resource. This may result in increased latency at the UE. In some examples, the UE may transmit unused transmission occasion (UTO) uplink control information (UCI) (UTO-UCI) indicating that the UE is to perform PUSCH skipping (for example, indicating that the UE not to perform a transmission within a PUSCH transmission occasion). An SRS, PUCCH, or PUSCH transmission may be prioritized over a physical downlink shared channel (PDSCH) reception by the UE. However, this priority may need to be updated when the UE is performing PUSCH skipping. For example, in an SBFD resource during which the UE is performing PUSCH skipping, prioritizing the SRS, PUCCH, or PUSCH transmission over the PDSCH may result in no uplink transmissions or downlink receptions occurring within the SBFD resource. This may result in increased latency at the UE.
[0041] Various aspects relate generally to wireless communications. Some aspects more specifically relate to PDCCH monitoring. In some aspects, a network node may transmit, and a UE may receive, a PDCCH skipping indication. The PDCCH skipping indication may be included within a PDCCH monitoring adaptation field and may indicate for the UE to perform PDCCH skipping for a duration on an active downlink BWP of a serving cell, where the duration begins at a beginning of a first slot that is after a last symbol of a PDCCH reception that provides a DCI format with the PDCCH monitoring adaptation field. The UE may detect, in accordance with an SBFD operation and within a resource that occurs during the duration, an overlap between a PDCCH monitoring occasion and an uplink transmission by the UE. The UE may prioritize the uplink transmission over the PDCCH monitoring occasion based at least in part on the PDCCH skipping indication and based at least in part on detecting the overlap between the PDCCH monitoring occasion and the uplink transmission. The UE may transmit, and the network node may receive, an uplink transmission within the resource, where the uplink transmission includes at least one of a PUCCH transmission, PUSCH transmission, or an SRS transmission in one or more uplink sub-bands of an SBFD slot. In some aspects, the UE may obtain an indication to use a semi-static SBFD prioritization rule based at least in part on a current SSSG for performing SSSG switching. The UE may apply, in accordance with an application delay that is at least a dedicated quantity of symbols after a last symbol of the PDCCH reception that provides the DCI format with the PDCCH monitoring adaptation field, a collision rule associated with an initial SSSG. In some aspects, the UE may obtain an indication to prioritize uplink transmissions over downlink communications within an SBFD resource. The UE may transmit UTO-UCI indicating that the UE is to skip an uplink transmission occasion within the SBFD resource. The UE may assign a priority to a downlink communication within the SBFD resource that is a higher than a priority of an uplink transmission associated with the uplink transmission occasion based at least in part on the UTO-UCI. 0097-5220PCT 9
[0042] Particular aspects of the subject matter described in this disclosure can be implemented to realize one or more of the following potential advantages. In some examples, by enabling communication of the PDCCH skipping indication, and by enabling detection of an overlap between a PDCCH monitoring occasion and an uplink transmission by the UE, the described techniques can be used to enable the UE to prioritize the uplink transmission over the PDCCH monitoring occasion. For example, the described techniques can be used to enable the UE to assign a higher priority to an uplink transmission and to assign a lower priority to PDCCH monitoring while the UE is performing PDCCH skipping. This may reduce a latency at the UE. For example, this may reduce a latency associated with the UE performing uplink transmissions to the network node. In some examples, by enabling communication of the UTO-UCI indicating that the UE is to skip an uplink transmission occasion within an SBFD resource, the described techniques can be used to enable the UE to prioritize downlink communications within an SBFD resource over uplink transmissions associated with the uplink transmission occasion. For example, the described techniques can be used to enable the UE to assign a higher priority to receiving a downlink communication and to assign a lower priority to an uplink transmission in accordance with the UE skipping a corresponding uplink transmission occasion. This may reduce a latency at the UE. For example, this may reduce a latency associated with the UE receiving downlink communications from a network node. These example advantages, among others, are described in more detail below.
[0043] Multiple-access radio access technologies (RATs) have been adopted in various telecommunication standards to provide common protocols that enable wireless communication devices to communicate on a municipal, enterprise, national, regional, or global level. For example, 5G New Radio (NR) is part of a continuous mobile broadband evolution promulgated by the Third Generation Partnership Project (3GPP). 5G NR supports various technologies and use cases including enhanced mobile broadband (eMBB), ultra-reliable low-latency communication (URLLC), massive machine-type communication (mMTC), millimeter wave (mmWave) technology, beamforming, network slicing, edge computing, Internet of Things (IoT) connectivity and management, and network function virtualization (NFV).
[0044] As the demand for broadband access increases and as technologies supported by wireless communication networks evolve, further technological improvements may be adopted in or implemented for 5G NR or future RATs, such as 6G, to further advance the evolution of wireless communication for a wide variety of existing and new use cases and applications. Such technological improvements may be associated with new frequency band expansion, licensed and unlicensed spectrum access, overlapping spectrum use, small cell deployments, non-terrestrial network (NTN) deployments, disaggregated network architectures and network topology expansion, device aggregation, advanced duplex communication, sidelink and other device-to- 0097-5220PCT 10device direct communication, IoT (including passive or ambient IoT) networks, reduced capability (RedCap) UE functionality, industrial connectivity, multiple-subscriber implementations, high-precision positioning, radio frequency (RF) sensing, and / or artificial intelligence or machine learning (AI / ML), among other examples. These technological improvements may support use cases such as wireless backhauls, wireless data centers, extended reality (XR) and metaverse applications, meta services for supporting vehicle connectivity, holographic and mixed reality communication, autonomous and collaborative robots, vehicle platooning and cooperative maneuvering, sensing networks, gesture monitoring, human-brain interfacing, digital twin applications, asset management, and universal coverage applications using non-terrestrial and / or aerial platforms, among other examples. The methods, operations, apparatuses, and techniques described herein may enable one or more of the foregoing technologies and / or support one or more of the foregoing use cases.
[0045] Fig.1 is a diagram illustrating an example of a wireless communication network 100 in accordance with the present disclosure. The wireless communication network 100 may be or may include elements of a 5G (or NR) network or a 6G network, among other examples. The wireless communication network 100 may include multiple network nodes 110, shown as a network node (NN) 110a, a network node 110b, a network node 110c, and a network node 110d. The network nodes 110 may support communications with multiple UEs 120, shown as a UE 120a, a UE 120b, a UE 120c, a UE 120d, and a UE 120e.
[0046] The network nodes 110 and the UEs 120 of the wireless communication network 100 may communicate using the electromagnetic spectrum, which may be subdivided by frequency or wavelength into various classes, bands, carriers, and / or channels. For example, devices of the wireless communication network 100 may communicate using one or more operating bands. In some aspects, multiple wireless networks 100 may be deployed in a given geographic area. Each wireless communication network 100 may support a particular radio access technology (RAT) (which may also be referred to as an air interface) and may operate on one or more carrier frequencies in one or more frequency ranges. Examples of RATs include a 4G RAT, a 5G / NR RAT, and / or a 6G RAT, among other examples. In some examples, when multiple RATs are deployed in a given geographic area, each RAT in the geographic area may operate on different frequencies to avoid interference with one another.
[0047] Various operating bands have been defined as frequency range designations FR1 (410 MHz through 7.125 GHz), FR2 (24.25 GHz through 52.6 GHz), FR3 (7.125 GHz through 24.25 GHz), FR4a or FR4-1 (52.6 GHz through 71 GHz), FR4 (52.6 GHz through 114.25 GHz), and FR5 (114.25 GHz through 300 GHz). Although a portion of FR1 is greater than 6 GHz, FR1 is often referred to (interchangeably) as a “Sub-6 GHz” band in some documents and articles. Similarly, FR2 is often referred to (interchangeably) as a “millimeter wave” band in some 0097-5220PCT 11documents and articles, despite being different than the extremely high frequency (EHF) band (30 GHz through 300 GHz), which is identified by the International Telecommunications Union (ITU) as a “millimeter wave” band. The frequencies between FR1 and FR2 are often referred to as mid-band frequencies, which include FR3. Frequency bands falling within FR3 may inherit FR1 characteristics or FR2 characteristics, and thus may effectively extend features of FR1 or FR2 into mid-band frequencies. Thus, “sub-6 GHz,” if used herein, may broadly refer to frequencies that are less than 6 GHz, that are within FR1, and / or that are included in mid-band frequencies. Similarly, the term “millimeter wave,” if used herein, may broadly refer to frequencies that are included in mid-band frequencies, that are within FR2, FR4, FR4-a or FR4-1, or FR5, and / or that are within the EHF band. Higher frequency bands may extend 5G NR operation, 6G operation, and / or other RATs beyond 52.6 GHz. For example, each of FR4a, FR4- 1, FR4, and FR5 falls within the EHF band. In some examples, the wireless communication network 100 may implement dynamic spectrum sharing (DSS), in which multiple RATs (for example, 4G / LTE and 5G / NR) are implemented with dynamic bandwidth allocation (for example, based on user demand) in a single frequency band. It is contemplated that the frequencies included in these operating bands (for example, FR1, FR2, FR3, FR4, FR4-a, FR4-1, and / or FR5) may be modified, and techniques described herein may be applicable to those modified frequency ranges.
[0048] A network node 110 may include one or more devices, components, or systems that enable communication between a UE 120 and one or more devices, components, or systems of the wireless communication network 100. A network node 110 may be, may include, or may also be referred to as an NR network node, a 5G network node, a 6G network node, a Node B, an eNB, a gNB, an access point (AP), a transmission reception point (TRP), a mobility element, a core, a network entity, a network element, a network equipment, and / or another type of device, component, or system included in a radio access network (RAN).
[0049] A network node 110 may be implemented as a single physical node (for example, a single physical structure) or may be implemented as two or more physical nodes (for example, two or more distinct physical structures). For example, a network node 110 may be a device or system that implements part of a radio protocol stack, a device or system that implements a full radio protocol stack (such as a full gNB protocol stack), or a collection of devices or systems that collectively implement the full radio protocol stack. For example, and as shown, a network node 110 may be an aggregated network node (having an aggregated architecture), meaning that the network node 110 may implement a full radio protocol stack that is physically and logically integrated within a single node (for example, a single physical structure) in the wireless communication network 100. For example, an aggregated network node 110 may consist of a single standalone base station or a single TRP that uses a full radio protocol stack to enable or 0097-5220PCT 12facilitate communication between a UE 120 and a core network of the wireless communication network 100.
[0050] Alternatively, and as also shown, a network node 110 may be a disaggregated network node (sometimes referred to as a disaggregated base station), meaning that the network node 110 may implement a radio protocol stack that is physically distributed and / or logically distributed among two or more nodes in the same geographic location or in different geographic locations. For example, a disaggregated network node may have a disaggregated architecture. In some deployments, disaggregated network nodes 110 may be used in an integrated access and backhaul (IAB) network, in an open radio access network (O-RAN) (such as a network configuration in compliance with the O-RAN Alliance), or in a virtualized radio access network (vRAN), also known as a cloud radio access network (C-RAN), to facilitate scaling by separating base station functionality into multiple units that can be individually deployed.
[0051] The network nodes 110 of the wireless communication network 100 may include one or more central units (CUs), one or more distributed units (DUs), and / or one or more radio units (RUs). A CU may host one or more higher layer control functions, such as RRC functions, packet data convergence protocol (PDCP) functions, and / or service data adaptation protocol (SDAP) functions, among other examples. A DU may host one or more of a radio link control (RLC) layer, a medium access control (MAC) layer, and / or one or more higher physical (PHY) layers depending, at least in part, on a functional split, such as a functional split defined by the 3GPP. In some examples, a DU also may host one or more lower PHY layer functions, such as a fast Fourier transform (FFT), an inverse FFT (iFFT), beamforming, physical random access channel (PRACH) extraction and filtering, and / or scheduling of resources for one or more UEs 120, among other examples. An RU may host RF processing functions or lower PHY layer functions, such as an FFT, an iFFT, beamforming, or PRACH extraction and filtering, among other examples, according to a functional split, such as a lower layer functional split. In such an architecture, each RU can be operated to handle over the air (OTA) communication with one or more UEs 120.
[0052] In some aspects, a single network node 110 may include a combination of one or more CUs, one or more DUs, and / or one or more RUs. Additionally or alternatively, a network node 110 may include one or more Near-Real Time (Near-RT) RAN Intelligent Controllers (RICs) and / or one or more Non-Real Time (Non-RT) RICs. In some examples, a CU, a DU, and / or an RU may be implemented as a virtual unit, such as a virtual central unit (VCU), a virtual distributed unit (VDU), or a virtual radio unit (VRU), among other examples. A virtual unit may be implemented as a virtual network function, such as associated with a cloud deployment.
[0053] Some network nodes 110 (for example, a base station, an RU, or a TRP) may provide communication coverage for a particular geographic area. In the 3GPP, the term “cell” can refer 0097-5220PCT 13to a coverage area of a network node 110 or to a network node 110 itself, depending on the context in which the term is used. A network node 110 may support one or multiple (for example, three) cells. In some examples, a network node 110 may provide communication coverage for a macro cell, a pico cell, a femto cell, or another type of cell. A macro cell may cover a relatively large geographic area (for example, several kilometers in radius) and may allow unrestricted access by UEs 120 with service subscriptions. A pico cell may cover a relatively small geographic area and may allow unrestricted access by UEs 120 with service subscriptions. A femto cell may cover a relatively small geographic area (for example, a home) and may allow restricted access by UEs 120 having association with the femto cell (for example, UEs 120 in a closed subscriber group (CSG)). A network node 110 for a macro cell may be referred to as a macro network node. A network node 110 for a pico cell may be referred to as a pico network node. A network node 110 for a femto cell may be referred to as a femto network node or an in- home network node. In some examples, a cell may not necessarily be stationary. For example, the geographic area of the cell may move according to the location of an associated mobile network node 110 (for example, a train, a satellite base station, an unmanned aerial vehicle, or a non-terrestrial network (NTN) network node).
[0054] The wireless communication network 100 may be a heterogeneous network that includes network nodes 110 of different types, such as macro network nodes, pico network nodes, femto network nodes, relay network nodes, aggregated network nodes, and / or disaggregated network nodes, among other examples. In the example shown in Fig.1, the network node 110a may be a macro network node for a macro cell 130a, the network node 110b may be a pico network node for a pico cell 130b, and the network node 110c may be a femto network node for a femto cell 130c.Various different types of network nodes 110 may generally transmit at different power levels, serve different coverage areas, and / or have different impacts on interference in the wireless communication network 100 than other types of network nodes 110. For example, macro network nodes may have a high transmit power level (for example, 5 to 40 watts), whereas pico network nodes, femto network nodes, and relay network nodes may have lower transmit power levels (for example, 0.1 to 2 watts).
[0055] In some examples, a network node 110 may be, may include, or may operate as an RU, a TRP, or a base station that communicates with one or more UEs 120 via a radio access link (which may be referred to as a “Uu” link). The radio access link may include a downlink and an uplink. “Downlink” (or “DL”) refers to a communication direction from a network node 110 to a UE 120, and “uplink” (or “UL”) refers to a communication direction from a UE 120 to a network node 110. Downlink channels may include one or more control channels and one or more data channels. A downlink control channel may be used to transmit DCI (for example, scheduling information, reference signals, and / or configuration information) from a network node 110 to a UE 120. A downlink data channel may be used to transmit downlink data (for example, user data 0097-5220PCT 14associated with a UE 120) from a network node 110 to a UE 120. Downlink control channels may include one or more PDCCHs, and downlink data channels may include one or more PDSCHs. Uplink channels may similarly include one or more control channels and one or more data channels. An uplink control channel may be used to transmit uplink control information (UCI) (for example, reference signals and / or feedback corresponding to one or more downlink transmissions) from a UE 120 to a network node 110. An uplink data channel may be used to transmit uplink data (for example, user data associated with a UE 120) from a UE 120 to a network node 110. Uplink control channels may include one or more physical uplink control channels (PUCCHs), and uplink data channels may include one or more physical uplink shared channels (PUSCHs). The downlink and the uplink may each include a set of resources on which the network node 110 and the UE 120 may communicate.
[0056] Downlink and uplink resources may include time domain resources (frames, subframes, slots, and / or symbols), frequency domain resources (frequency bands, component carriers, subcarriers, resource blocks, and / or resource elements), and / or spatial domain resources (particular transmit directions and / or beam parameters). Frequency domain resources of some bands may be subdivided into BWPs. A BWP may be a continuous block of frequency domain resources (for example, a continuous block of resource blocks) that are allocated for one or more UEs 120. A UE 120 may be configured with both an uplink BWP and a downlink BWP (where the uplink BWP and the downlink BWP may be the same BWP or different BWPs). A BWP may be dynamically configured (for example, by a network node 110 transmitting a DCI configuration to the one or more UEs 120) and / or reconfigured, which means that a BWP can be adjusted in real-time (or near-real-time) based on changing network conditions in the wireless communication network 100 and / or based on the specific requirements of the one or more UEs 120. This enables more efficient use of the available frequency domain resources in the wireless communication network 100 because fewer frequency domain resources may be allocated to a BWP for a UE 120 (which may reduce the quantity of frequency domain resources that a UE 120 is required to monitor), leaving more frequency domain resources to be spread across multiple UEs 120. Thus, BWPs may also assist in the implementation of lower-capability UEs 120 by facilitating the configuration of smaller bandwidths for communication by such UEs 120.
[0057] As described above, in some aspects, the wireless communication network 100 may be, may include, or may be included in, an IAB network. In an IAB network, at least one network node 110 is an anchor network node that communicates with a core network. An anchor network node 110 may also be referred to as an IAB donor (or “IAB-donor”). The anchor network node 110 may connect to the core network via a wired backhaul link. For example, an Ng interface of the anchor network node 110 may terminate at the core network. Additionally or alternatively, an anchor network node 110 may connect to one or more devices of the core network that provide a core access and mobility management function (AMF). An IAB network also generally includes 0097-5220PCT 15multiple non-anchor network nodes 110, which may also be referred to as relay network nodes or simply as IAB nodes (or “IAB-nodes”). Each non-anchor network node 110 may communicate directly with the anchor network node 110 via a wireless backhaul link to access the core network, or may communicate indirectly with the anchor network node 110 via one or more other non-anchor network nodes 110 and associated wireless backhaul links that form a backhaul path to the core network. Some anchor network node 110 or other non-anchor network node 110 may also communicate directly with one or more UEs 120 via wireless access links that carry access traffic. In some examples, network resources for wireless communication (such as time resources, frequency resources, and / or spatial resources) may be shared between access links and backhaul links.
[0058] In some examples, any network node 110 that relays communications may be referred to as a relay network node, a relay station, or simply as a relay. A relay may receive a transmission of a communication from an upstream station (for example, another network node 110 or a UE 120) and transmit the communication to a downstream station (for example, a UE 120 or another network node 110). In this case, the wireless communication network 100 may include or be referred to as a “multi-hop network.” In the example shown in Fig.1, the network node 110d (for example, a relay network node) may communicate with the network node 110a (for example, a macro network node) and the UE 120d in order to facilitate communication between the network node 110a and the UE 120d. Additionally or alternatively, a UE 120 may be or may operate as a relay station that can relay transmissions to or from other UEs 120. A UE 120 that relays communications may be referred to as a UE relay or a relay UE, among other examples.
[0059] The UEs 120 may be physically dispersed throughout the wireless communication network 100, and each UE 120 may be stationary or mobile. A UE 120 may be, may include, or may be included in an access terminal, another terminal, a mobile station, or a subscriber unit. A UE 120 may be, include, or be coupled with a cellular phone (for example, a smart phone), a personal digital assistant (PDA), a wireless modem, a wireless communication device, a handheld device, a laptop computer, a cordless phone, a wireless local loop (WLL) station, a tablet, a camera, a gaming device, a netbook, a smartbook, an ultrabook, a medical device, a biometric device, a wearable device (for example, a smart watch, smart clothing, smart glasses, a smart wristband, and / or smart jewelry, such as a smart ring or a smart bracelet), an entertainment device (for example, a music device, a video device, and / or a satellite radio), an extended reality (XR) device, a vehicular component or sensor, a smart meter or sensor, industrial manufacturing equipment, a Global Navigation Satellite System (GNSS) device (such as a Global Positioning System device or another type of positioning device), a UE function of a network node, and / or any other suitable device or function that may communicate via a wireless medium. 0097-5220PCT 16
[0060] A UE 120 and / or a network node 110 may include one or more chips, system-on-chips (SoCs), chipsets, packages, or devices that individually or collectively constitute or comprise a processing system. The processing system includes processor (or “processing”) circuitry in the form of one or multiple processors, microprocessors, processing units (such as central processing units (CPUs), graphics processing units (GPUs), neural processing units (NPUs) and / or digital signal processors (DSPs)), processing blocks, application-specific integrated circuits (ASIC), programmable logic devices (PLDs) (such as field programmable gate arrays (FPGAs)), or other discrete gate or transistor logic or circuitry (all of which may be generally referred to herein individually as “processors” or collectively as “the processor” or “the processor circuitry”). One or more of the processors may be individually or collectively configurable or configured to perform various functions or operations described herein. A group of processors collectively configurable or configured to perform a set of functions may include a first processor configurable or configured to perform a first function of the set and a second processor configurable or configured to perform a second function of the set, or may include the group of processors all being configured or configurable to perform the set of functions.
[0061] The processing system may further include memory circuitry in the form of one or more memory devices, memory blocks, memory elements or other discrete gate or transistor logic or circuitry, each of which may include tangible storage media such as random-access memory (RAM) or read-only memory (ROM), or combinations thereof (all of which may be generally referred to herein individually as “memories” or collectively as “the memory” or “the memory circuitry”). One or more of the memories may be coupled (for example, operatively coupled, communicatively coupled, electronically coupled, or electrically coupled) with one or more of the processors and may individually or collectively store processor-executable code (such as software) that, when executed by one or more of the processors, may configure one or more of the processors to perform various functions or operations described herein. Additionally or alternatively, in some examples, one or more of the processors may be preconfigured to perform various functions or operations described herein without requiring configuration by software. The processing system may further include or be coupled with one or more modems (such as a Wi-Fi (for example, IEEE compliant) modem or a cellular (for example, 3GPP 4G LTE, 5G, or 6G compliant) modem). In some implementations, one or more processors of the processing system include or implement one or more of the modems. The processing system may further include or be coupled with multiple radios (collectively “the radio”), multiple RF chains, or multiple transceivers, each of which may in turn be coupled with one or more of multiple antennas. In some implementations, one or more processors of the processing system include or implement one or more of the radios, RF chains or transceivers. The UE 120 may include or may be included in a housing that houses components associated with the UE 120 including the processing system. 0097-5220PCT 17
[0062] Some UEs 120 may be considered machine-type communication (MTC) UEs, evolved or enhanced machine-type communication (eMTC), UEs, further enhanced eMTC (feMTC) UEs, or enhanced feMTC (efeMTC) UEs, or further evolutions thereof, all of which may be simply referred to as “MTC UEs”. An MTC UE may be, may include, or may be included in or coupled with a robot, an uncrewed aerial vehicle, a remote device, a sensor, a meter, a monitor, and / or a location tag. Some UEs 120 may be considered IoT devices and / or may be implemented as NB- IoT (narrowband IoT) devices. An IoT UE or NB-IoT device may be, may include, or may be included in or coupled with an industrial machine, an appliance, a refrigerator, a doorbell camera device, a home automation device, and / or a light fixture, among other examples. Some UEs 120 may be considered Customer Premises Equipment, which may include telecommunications devices that are installed at a customer location (such as a home or office) to enable access to a service provider's network (such as included in or in communication with the wireless communication network 100).
[0063] Some UEs 120 may be classified according to different categories in association with different complexities and / or different capabilities. UEs 120 in a first category may facilitate massive IoT in the wireless communication network 100, and may offer low complexity and / or cost relative to UEs 120 in a second category. UEs 120 in a second category may include mission-critical IoT devices, legacy UEs, baseline UEs, high-tier UEs, advanced UEs, full- capability UEs, and / or premium UEs that are capable of ultra-reliable low-latency communication (URLLC), enhanced mobile broadband (eMBB), and / or precise positioning in the wireless communication network 100, among other examples. A third category of UEs 120 may have mid-tier complexity and / or capability (for example, a capability between UEs 120 of the first category and UEs 120 of the second capability). A UE 120 of the third category may be referred to as a reduced capacity UE (“RedCap UE”), a mid-tier UE, an NR-Light UE, and / or an NR-Lite UE, among other examples. RedCap UEs may bridge a gap between the capability and complexity of NB-IoT devices and / or eMTC UEs, and mission-critical IoT devices and / or premium UEs. RedCap UEs may include, for example, wearable devices, IoT devices, industrial sensors, and / or cameras that are associated with a limited bandwidth, power capacity, and / or transmission range, among other examples. RedCap UEs may support healthcare environments, building automation, electrical distribution, process automation, transport and logistics, and / or smart city deployments, among other examples.
[0064] In some examples, two or more UEs 120 (for example, shown as UE 120a and UE 120e) may communicate directly with one another using sidelink communications (for example, without communicating by way of a network node 110 as an intermediary). As an example, the UE 120a may directly transmit data, control information, or other signaling as a sidelink communication to the UE 120e. This is in contrast to, for example, the UE 120a first transmitting 0097-5220PCT 18data in an UL communication to a network node 110, which then transmits the data to the UE 120e in a DL communication. In various examples, the UEs 120 may transmit and receive sidelink communications using peer-to-peer (P2P) communication protocols, device-to-device (D2D) communication protocols, vehicle-to-everything (V2X) communication protocols (which may include vehicle-to-vehicle (V2V) protocols, vehicle-to-infrastructure (V2I) protocols, and / or vehicle-to-pedestrian (V2P) protocols), and / or mesh network communication protocols. In some deployments and configurations, a network node 110 may schedule and / or allocate resources for sidelink communications between UEs 120 in the wireless communication network 100. In some other deployments and configurations, a UE 120 (instead of a network node 110) may perform, or collaborate or negotiate with one or more other UEs to perform, scheduling operations, resource selection operations, and / or other operations for sidelink communications.
[0065] In various examples, some of the network nodes 110 and the UEs 120 of the wireless communication network 100 may be configured for full-duplex operation in addition to half- duplex operation. A network node 110 or a UE 120 operating in a half-duplex mode may perform only one of transmission or reception during particular time resources, such as during particular slots, symbols, or other time periods. Half-duplex operation may involve time-division duplexing (TDD), in which DL transmissions of the network node 110 and UL transmissions of the UE 120 do not occur in the same time resources (that is, the transmissions do not overlap in time). In contrast, a network node 110 or a UE 120 operating in a full-duplex mode can transmit and receive communications concurrently (for example, in the same time resources). By operating in a full-duplex mode, network nodes 110 and / or UEs 120 may generally increase the capacity of the network and the radio access link. In some examples, full-duplex operation may involve frequency-division duplexing (FDD), in which DL transmissions of the network node 110 are performed in a first frequency band or on a first component carrier and transmissions of the UE 120 are performed in a second frequency band or on a second component carrier different than the first frequency band or the first component carrier, respectively. In some examples, full-duplex operation may be enabled for a UE 120 but not for a network node 110. For example, a UE 120 may simultaneously transmit an UL transmission to a first network node 110 and receive a DL transmission from a second network node 110 in the same time resources. In some other examples, full-duplex operation may be enabled for a network node 110 but not for a UE 120. For example, a network node 110 may simultaneously transmit a DL transmission to a first UE 120 and receive an UL transmission from a second UE 120 in the same time resources. In some other examples, full-duplex operation may be enabled for both a network node 110 and a UE 120.
[0066] In some examples, the UEs 120 and the network nodes 110 may perform MIMO communication. “MIMO” generally refers to transmitting or receiving multiple signals (such as multiple layers or multiple data streams) simultaneously over the same time and frequency resources. MIMO techniques generally exploit multipath propagation. MIMO may be 0097-5220PCT 19implemented using various spatial processing or spatial multiplexing operations. In some examples, MIMO may support simultaneous transmission to multiple receivers, referred to as multi-user MIMO (MU-MIMO). Some radio access technologies (RATs) may employ advanced MIMO techniques, such as mTRP operation (including redundant transmission or reception on multiple TRPs), reciprocity in the time domain or the frequency domain, single-frequency- network (SFN) transmission, or non-coherent joint transmission (NC-JT).
[0067] In some aspects, the UE 120 may include a communication manager 140. In some aspects, as described in more detail elsewhere herein, the communication manager 140 may perform, in accordance with an SBFD operation, PDCCH skipping based at least in part on a PDCCH monitoring adaptation field, wherein the PDCCH skipping includes skipping PDCCH monitoring for a duration that begins at a beginning of a first slot that is after a last symbol of a PDCCH reception that provides a DCI format with the PDCCH monitoring adaptation field, and wherein the PDCCH monitoring adaptation field indicates for the UE to perform the PDCCH skipping for the duration on an active downlink BWP of a serving cell; detect , within a resource that occurs during the duration, an overlap between a PDCCH monitoring occasion and an uplink transmission by the UE; and transmit the uplink transmission within the resource based at least in part on the overlap between the PDCCH monitoring occasion and the uplink transmission. In some other aspects, as described in more detail elsewhere herein, the communication manager 140 may obtain an indication to prioritize uplink transmissions over downlink communications within an SBFD resource; transmit UTO-UCI indicating that the UE is to skip an uplink transmission occasion within the SBFD resource; and assign a priority to a downlink communication within the SBFD resource that is a higher than a priority of an uplink transmission associated with the uplink transmission occasion based at least in part on the UTO-UCI. Additionally, or alternatively, the communication manager 140 may perform one or more other operations described herein.
[0068] In some aspects, the network node 110 may include a communication manager 150. In some aspects, as described in more detail elsewhere herein, the communication manager 150 may transmit, in accordance with an SBFD operation, a PDCCH skipping indication that is included within a PDCCH monitoring adaptation field, wherein the PDCCH skipping indication indicates for a UE to skip PDCCH monitoring for a duration that begins at a beginning of a first slot that is after a last symbol of a PDCCH reception that provides a DCI format with the PDCCH monitoring adaptation field, and wherein the PDCCH monitoring adaptation field indicates for the UE to perform the PDCCH skipping for the duration on an active downlink BWP of a serving cell; and receive an uplink transmission within a resource that occurs during the duration based at least in part on an overlap between a PDCCH monitoring occasion and the uplink transmission. In some other aspects, as described in more detail elsewhere herein, the communication manager 150 may receive UTO-UCI indicating that a UE is to skip an uplink transmission occasion within 0097-5220PCT 20an SBFD resource; and transmit a downlink communication within the SBFD resource based at least in part on the UTO-UCI. Additionally, or alternatively, the communication manager 150 may perform one or more other operations described herein.
[0069] As indicated above, Fig.1 is provided as an example. Other examples may differ from what is described with regard to Fig.1.
[0070] Fig.2 is a diagram illustrating an example network node 110 in communication with an example UE 120 in a wireless network in accordance with the present disclosure.
[0071] As shown in Fig.2, the network node 110 may include a data source 212, a transmit processor 214, a transmit (TX) MIMO processor 216, a set of modems 232 (shown as 232a through 232t, where t 1), a set of antennas 234 (shown as 234a through 234v, where v 1), a MIMO detector 236, a receive processor 238, a data sink 239, a controller / processor 240, a memory 242, a communication unit 244, a scheduler 246, and / or a communication manager 150, among other examples. In some configurations, one or a combination of the antenna(s) 234, the modem(s) 232, the MIMO detector 236, the receive processor 238, the transmit processor 214, and / or the TX MIMO processor 216 may be included in a transceiver of the network node 110. The transceiver may be under control of and used by one or more processors, such as the controller / processor 240, and in some aspects in conjunction with processor-readable code stored in the memory 242, to perform aspects of the methods, processes, and / or operations described herein. In some aspects, the network node 110 may include one or more interfaces, communication components, and / or other components that facilitate communication with the UE 120 or another network node.
[0072] The terms “processor,” “controller,” or “controller / processor” may refer to one or more controllers and / or one or more processors. For example, reference to “a / the processor,” “a / the controller / processor,” or the like (in the singular) should be understood to refer to any one or more of the processors described in connection with Fig.2, such as a single processor or a combination of multiple different processors. Reference to “one or more processors” should be understood to refer to any one or more of the processors described in connection with Fig.2. For example, one or more processors of the network node 110 may include transmit processor 214, TX MIMO processor 216, MIMO detector 236, receive processor 238, and / or controller / processor 240. Similarly, one or more processors of the UE 120 may include MIMO detector 256, receive processor 258, transmit processor 264, TX MIMO processor 266, and / or controller / processor 280.
[0073] In some aspects, a single processor may perform all of the operations described as being performed by the one or more processors. In some aspects, a first set of (one or more) processors of the one or more processors may perform a first operation described as being performed by the one or more processors, and a second set of (one or more) processors of the one or more processors may perform a second operation described as being performed by the one or more 0097-5220PCT 21processors. The first set of processors and the second set of processors may be the same set of processors or may be different sets of processors. Reference to “one or more memories” should be understood to refer to any one or more memories of a corresponding device, such as the memory described in connection with Fig.2. For example, operation described as being performed by one or more memories can be performed by the same subset of the one or more memories or different subsets of the one or more memories.
[0074] For downlink communication from the network node 110 to the UE 120, the transmit processor 214 may receive data (“downlink data”) intended for the UE 120 (or a set of UEs that includes the UE 120) from the data source 212 (such as a data pipeline or a data queue). In some examples, the transmit processor 214 may select one or more MCSs for the UE 120 in accordance with one or more channel quality indicators (CQIs) received from the UE 120. The network node 110 may process the data (for example, including encoding the data) for transmission to the UE 120 on a downlink in accordance with the MCS(s) selected for the UE 120 to generate data symbols. The transmit processor 214 may process system information (for example, semi-static resource partitioning information (SRPI)) and / or control information (for example, CQI requests, grants, and / or upper layer signaling) and provide overhead symbols and / or control symbols. The transmit processor 214 may generate reference symbols for reference signals (for example, a cell- specific reference signal (CRS), a demodulation reference signal (DMRS), or a channel state information (CSI) reference signal (CSI-RS)) and / or synchronization signals (for example, a primary synchronization signal (PSS) or a secondary synchronization signals (SSS)).
[0075] The TX MIMO processor 216 may perform spatial processing (for example, precoding) on the data symbols, the control symbols, the overhead symbols, and / or the reference symbols, if applicable, and may provide a set of output symbol streams (for example, T output symbol streams) to the set of modems 232. For example, each output symbol stream may be provided to a respective modulator component (shown as MOD) of a modem 232. Each modem 232 may use the respective modulator component to process (for example, to modulate) a respective output symbol stream (for example, for orthogonal frequency division multiplexing (OFDM)) to obtain an output sample stream. Each modem 232 may further use the respective modulator component to process (for example, convert to analog, amplify, filter, and / or upconvert) the output sample stream to obtain a time domain downlink signal. The modems 232a through 232t may together transmit a set of downlink signals (for example, T downlink signals) via the corresponding set of antennas 234.
[0076] A downlink signal may include a DCI communication, a MAC control element (MAC- CE) communication, an RRC communication, a downlink reference signal, or another type of downlink communication. Downlink signals may be transmitted on a PDCCH, a PDSCH, and / or on another downlink channel. A downlink signal may carry one or more transport blocks (TBs) 0097-5220PCT 22of data. A TB may be a unit of data that is transmitted over an air interface in the wireless communication network 100. A data stream (for example, from the data source 212) may be encoded into multiple TBs for transmission over the air interface. The quantity of TBs used to carry the data associated with a particular data stream may be associated with a TB size common to the multiple TBs. The TB size may be based on or otherwise associated with radio channel conditions of the air interface, the MCS used for encoding the data, the downlink resources allocated for transmitting the data, and / or another parameter. In general, the larger the TB size, the greater the amount of data that can be transmitted in a single transmission, which reduces signaling overhead. However, larger TB sizes may be more prone to transmission and / or reception errors than smaller TB sizes, but such errors may be mitigated by more robust error correction techniques.
[0077] For uplink communication from the UE 120 to the network node 110, uplink signals from the UE 120 may be received by an antenna 234, may be processed by a modem 232 (for example, a demodulator component, shown as DEMOD, of a modem 232), may be detected by the MIMO detector 236 (for example, a receive (Rx) MIMO processor) if applicable, and / or may be further processed by the receive processor 238 to obtain decoded data and / or control information. The receive processor 238 may provide the decoded data to a data sink 239 (which may be a data pipeline, a data queue, and / or another type of data sink) and provide the decoded control information to a processor, such as the controller / processor 240.
[0078] The network node 110 may use the scheduler 246 to schedule one or more UEs 120 for downlink or uplink communications. In some aspects, the scheduler 246 may use DCI to dynamically schedule DL transmissions to the UE 120 and / or UL transmissions from the UE 120. In some examples, the scheduler 246 may allocate recurring time domain resources and / or frequency domain resources that the UE 120 may use to transmit and / or receive communications using an RRC configuration (for example, a semi-static configuration), for example, to perform semi-persistent scheduling (SPS) or to configure a configured grant (CG) for the UE 120.
[0079] One or more of the transmit processor 214, the TX MIMO processor 216, the modem 232, the antenna 234, the MIMO detector 236, the receive processor 238, and / or the controller / processor 240 may be included in an RF chain of the network node 110. An RF chain may include one or more filters, mixers, oscillators, amplifiers, analog-to-digital converters (ADCs), and / or other devices that convert between an analog signal (such as for transmission or reception via an air interface) and a digital signal (such as for processing by one or more processors of the network node 110). In some aspects, the RF chain may be or may be included in a transceiver of the network node 110.
[0080] In some examples, the network node 110 may use the communication unit 244 to communicate with a core network and / or with other network nodes. The communication unit 244 0097-5220PCT 23may support wired and / or wireless communication protocols and / or connections, such as Ethernet, optical fiber, common public radio interface (CPRI), and / or a wired or wireless backhaul, among other examples. The network node 110 may use the communication unit 244 to transmit and / or receive data associated with the UE 120 or to perform network control signaling, among other examples. The communication unit 244 may include a transceiver and / or an interface, such as a network interface.
[0081] The UE 120 may include a set of antennas 252 (shown as antennas 252a through 252r, where r 1), a set of modems 254 (shown as modems 254a through 254u, where u 1), a MIMO detector 256, a receive processor 258, a data sink 260, a data source 262, a transmit processor 264, a TX MIMO processor 266, a controller / processor 280, a memory 282, and / or a communication manager 140, among other examples. One or more of the components of the UE 120 may be included in a housing 284. In some aspects, one or a combination of the antenna(s) 252, the modem(s) 254, the MIMO detector 256, the receive processor 258, the transmit processor 264, or the TX MIMO processor 266 may be included in a transceiver that is included in the UE 120. The transceiver may be under control of and used by one or more processors, such as the controller / processor 280, and in some aspects in conjunction with processor-readable code stored in the memory 282, to perform aspects of the methods, processes, or operations described herein. In some aspects, the UE 120 may include another interface, another communication component, and / or another component that facilitates communication with the network node 110 and / or another UE 120.
[0082] For downlink communication from the network node 110 to the UE 120, the set of antennas 252 may receive the downlink communications or signals from the network node 110 and may provide a set of received downlink signals (for example, R received signals) to the set of modems 254. For example, each received signal may be provided to a respective demodulator component (shown as DEMOD) of a modem 254. Each modem 254 may use the respective demodulator component to condition (for example, filter, amplify, downconvert, and / or digitize) a received signal to obtain input samples. Each modem 254 may use the respective demodulator component to further demodulate or process the input samples (for example, for OFDM) to obtain received symbols. The MIMO detector 256 may obtain received symbols from the set of modems 254, may perform MIMO detection on the received symbols if applicable, and may provide detected symbols. The receive processor 258 may process (for example, decode) the detected symbols, may provide decoded data for the UE 120 to the data sink 260 (which may include a data pipeline, a data queue, and / or an application executed on the UE 120), and may provide decoded control information and system information to the controller / processor 280.
[0083] For uplink communication from the UE 120 to the network node 110, the transmit processor 264 may receive and process data (“uplink data”) from a data source 262 (such as a data 0097-5220PCT 24pipeline, a data queue, and / or an application executed on the UE 120) and control information from the controller / processor 280. The control information may include one or more parameters, feedback, one or more signal measurements, and / or other types of control information. In some aspects, the receive processor 258 and / or the controller / processor 280 may determine, for a received signal (such as received from the network node 110 or another UE), one or more parameters relating to transmission of the uplink communication. The one or more parameters may include a reference signal received power (RSRP) parameter, a received signal strength indicator (RSSI) parameter, a reference signal received quality (RSRQ) parameter, a channel quality indicator (CQI) parameter, or a transmit power control (TPC) parameter, among other examples. The control information may include an indication of the RSRP parameter, the RSSI parameter, the RSRQ parameter, the CQI parameter, the TPC parameter, and / or another parameter. The control information may facilitate parameter selection and / or scheduling for the UE 120 by the network node 110.
[0084] The transmit processor 264 may generate reference symbols for one or more reference signals, such as an uplink DMRS, an uplink SRS, and / or another type of reference signal. The symbols from the transmit processor 264 may be precoded by the TX MIMO processor 266, if applicable, and further processed by the set of modems 254 (for example, for DFT-s-OFDM or CP-OFDM). The TX MIMO processor 266 may perform spatial processing (for example, precoding) on the data symbols, the control symbols, the overhead symbols, and / or the reference symbols, if applicable, and may provide a set of output symbol streams (for example, U output symbol streams) to the set of modems 254. For example, each output symbol stream may be provided to a respective modulator component (shown as MOD) of a modem 254. Each modem 254 may use the respective modulator component to process (for example, to modulate) a respective output symbol stream (for example, for OFDM) to obtain an output sample stream. Each modem 254 may further use the respective modulator component to process (for example, convert to analog, amplify, filter, and / or upconvert) the output sample stream to obtain an uplink signal.
[0085] The modems 254a through 254u may transmit a set of uplink signals (for example, R uplink signals or U uplink symbols) via the corresponding set of antennas 252. An uplink signal may include a UCI communication, a MAC-CE communication, an RRC communication, or another type of uplink communication. Uplink signals may be transmitted on a PUSCH, a PUCCH, and / or another type of uplink channel. An uplink signal may carry one or more TBs of data. Sidelink data and control transmissions (that is, transmissions directly between two or more UEs 120) may generally use similar techniques as were described for uplink data and control transmission, and may use sidelink-specific channels such as a physical sidelink shared channel (PSSCH), a physical sidelink control channel (PSCCH), and / or a physical sidelink feedback channel (PSFCH). 0097-5220PCT 25
[0086] One or more antennas of the set of antennas 252 or the set of antennas 234 may include, or may be included within, one or more antenna panels, one or more antenna groups, one or more sets of antenna elements, or one or more antenna arrays, among other examples. An antenna panel, an antenna group, a set of antenna elements, or an antenna array may include one or more antenna elements (within a single housing or multiple housings), a set of coplanar antenna elements, a set of non-coplanar antenna elements, or one or more antenna elements coupled with one or more transmission or reception components, such as one or more components of Fig.2. As used herein, “antenna” can refer to one or more antennas, one or more antenna panels, one or more antenna groups, one or more sets of antenna elements, or one or more antenna arrays. “Antenna panel” can refer to a group of antennas (such as antenna elements) arranged in an array or panel, which may facilitate beamforming by manipulating parameters of the group of antennas. “Antenna module” may refer to circuitry including one or more antennas, which may also include one or more other components (such as filters, amplifiers, or processors) associated with integrating the antenna module into a wireless communication device.
[0087] In some examples, each of the antenna elements of an antenna 234 or an antenna 252 may include one or more sub-elements for radiating or receiving radio frequency signals. For example, a single antenna element may include a first sub-element cross-polarized with a second sub-element that can be used to independently transmit cross-polarized signals. The antenna elements may include patch antennas, dipole antennas, and / or other types of antennas arranged in a linear pattern, a two-dimensional pattern, or another pattern. A spacing between antenna elements may be such that signals with a desired wavelength transmitted separately by the antenna elements may interact or interfere constructively and destructively along various directions (such as to form a desired beam). For example, given an expected range of wavelengths or frequencies, the spacing may provide a quarter wavelength, a half wavelength, or another fraction of a wavelength of spacing between neighboring antenna elements to allow for the desired constructive and destructive interference patterns of signals transmitted by the separate antenna elements within that expected range.
[0088] The amplitudes and / or phases of signals transmitted via antenna elements and / or sub- elements may be modulated and shifted relative to each other (such as by manipulating phase shift, phase offset, and / or amplitude) to generate one or more beams, which is referred to as beamforming. The term “beam” may refer to a directional transmission of a wireless signal toward a receiving device or otherwise in a desired direction. “Beam” may also generally refer to a direction associated with such a directional signal transmission, a set of directional resources associated with the signal transmission (for example, an angle of arrival, a horizontal direction, and / or a vertical direction), and / or a set of parameters that indicate one or more aspects of a directional signal, a direction associated with the signal, and / or a set of directional resources 0097-5220PCT 26associated with the signal. In some implementations, antenna elements may be individually selected or deselected for directional transmission of a signal (or signals) by controlling amplitudes of one or more corresponding amplifiers and / or phases of the signal(s) to form one or more beams. The shape of a beam (such as the amplitude, width, and / or presence of side lobes) and / or the direction of a beam (such as an angle of the beam relative to a surface of an antenna array) can be dynamically controlled by modifying the phase shifts, phase offsets, and / or amplitudes of the multiple signals relative to each other.
[0089] Different UEs 120 or network nodes 110 may include different numbers of antenna elements. For example, a UE 120 may include a single antenna element, two antenna elements, four antenna elements, eight antenna elements, or a different number of antenna elements. As another example, a network node 110 may include eight antenna elements, 24 antenna elements, 64 antenna elements, 128 antenna elements, or a different number of antenna elements. Generally, a larger number of antenna elements may provide increased control over parameters for beam generation relative to a smaller number of antenna elements, whereas a smaller number of antenna elements may be less complex to implement and may use less power than a larger number of antenna elements. Multiple antenna elements may support multiple-layer transmission, in which a first layer of a communication (which may include a first data stream) and a second layer of a communication (which may include a second data stream) are transmitted using the same time and frequency resources with spatial multiplexing.
[0090] While blocks in Fig.2 are illustrated as distinct components, the functions described above with respect to the blocks may be implemented in a single hardware, software, or combination component or in various combinations of components. For example, the functions described with respect to the transmit processor 264, the receive processor 258, and / or the TX MIMO processor 266 may be performed by or under the control of the controller / processor 280.
[0091] Fig.3 is a diagram illustrating an example disaggregated base station architecture 300 in accordance with the present disclosure. One or more components of the example disaggregated base station architecture 300 may be, may include, or may be included in one or more network nodes (such one or more network nodes 110). The disaggregated base station architecture 300 may include a CU 310 that can communicate directly with a core network 320 via a backhaul link, or that can communicate indirectly with the core network 320 via one or more disaggregated control units, such as a Non-RT RIC 350 associated with a Service Management and Orchestration (SMO) Framework 360 and / or a Near-RT RIC 370 (for example, via an E2 link). The CU 310 may communicate with one or more DUs 330 via respective midhaul links, such as via F1 interfaces. Each of the DUs 330 may communicate with one or more RUs 340 via respective fronthaul links. Each of the RUs 340 may communicate with one or more UEs 120 via 0097-5220PCT 27respective RF access links. In some deployments, a UE 120 may be simultaneously served by multiple RUs 340.
[0092] Each of the components of the disaggregated base station architecture 300, including the CUs 310, the DUs 330, the RUs 340, the Near-RT RICs 370, the Non-RT RICs 350, and the SMO Framework 360, may include one or more interfaces or may be coupled with one or more interfaces for receiving or transmitting signals, such as data or information, via a wired or wireless transmission medium.
[0093] In some aspects, the CU 310 may be logically split into one or more CU-UP units and one or more CU-CP units. A CU-UP unit may communicate bidirectionally with a CU-CP unit via an interface, such as the E1 interface when implemented in an O-RAN configuration. The CU 310 may be deployed to communicate with one or more DUs 330, as necessary, for network control and signaling. Each DU 330 may correspond to a logical unit that includes one or more base station functions to control the operation of one or more RUs 340. For example, a DU 330 may host various layers, such as an RLC layer, a MAC layer, or one or more PHY layers, such as one or more high PHY layers or one or more low PHY layers. Each layer (which also may be referred to as a module) may be implemented with an interface for communicating signals with other layers (and modules) hosted by the DU 330, or for communicating signals with the control functions hosted by the CU 310. Each RU 340 may implement lower layer functionality. In some aspects, real-time and non-real-time aspects of control and user plane communication with the RU(s) 340 may be controlled by the corresponding DU 330.
[0094] The SMO Framework 360 may support RAN deployment and provisioning of non- virtualized and virtualized network elements. For non-virtualized network elements, the SMO Framework 360 may support the deployment of dedicated physical resources for RAN coverage requirements, which may be managed via an operations and maintenance interface, such as an O1 interface. For virtualized network elements, the SMO Framework 360 may interact with a cloud computing platform (such as an open cloud (O-Cloud) platform 390) to perform network element life cycle management (such as to instantiate virtualized network elements) via a cloud computing platform interface, such as an O2 interface. A virtualized network element may include, but is not limited to, a CU 310, a DU 330, an RU 340, a non-RT RIC 350, and / or a Near-RT RIC 370. In some aspects, the SMO Framework 360 may communicate with a hardware aspect of a 4G RAN, a 5G NR RAN, and / or a 6G RAN, such as an open eNB (O-eNB) 380, via an O1 interface. Additionally or alternatively, the SMO Framework 360 may communicate directly with each of one or more RUs 340 via a respective O1 interface. In some deployments, this configuration can enable each DU 330 and the CU 310 to be implemented in a cloud-based RAN architecture, such as a vRAN architecture. 0097-5220PCT 28
[0095] The Non-RT RIC 350 may include or may implement a logical function that enables non-real-time control and optimization of RAN elements and resources, artificial intelligence and / or machine learning (AI / ML) workflows including model training and updates, and / or policy- based guidance of applications and / or features in the Near-RT RIC 370. The Non-RT RIC 350 may be coupled to or may communicate with (such as via an A1 interface) the Near-RT RIC 370. The Near-RT RIC 370 may include or may implement a logical function that enables near-real- time control and optimization of RAN elements and resources via data collection and actions via an interface (such as via an E2 interface) connecting one or more CUs 310, one or more DUs 330, and / or an O-eNB with the Near-RT RIC 370.
[0096] In some aspects, to generate AI / ML models to be deployed in the Near-RT RIC 370, the Non-RT RIC 350 may receive parameters or external enrichment information from external servers. Such information may be utilized by the Near-RT RIC 370 and may be received at the SMO Framework 360 or the Non-RT RIC 350 from non-network data sources or from network functions. In some examples, the Non-RT RIC 350 or the Near-RT RIC 370 may tune RAN behavior or performance. For example, the Non-RT RIC 350 may monitor long-term trends and patterns for performance and may employ AI / ML models to perform corrective actions via the SMO Framework 360 (such as reconfiguration via an O1 interface) or via creation of RAN management policies (such as A1 interface policies).
[0097] The network node 110, the controller / processor 240 of the network node 110, the UE 120, the controller / processor 280 of the UE 120, the CU 310, the DU 330, the RU 340, or any other component(s) of Figs.1, 2, or 3 may implement one or more techniques or perform one or more operations associated with PDCCH monitoring, as described in more detail elsewhere herein. For example, the controller / processor 240 of the network node 110, the controller / processor 280 of the UE 120, any other component(s) of Fig.2, the CU 310, the DU 330, or the RU 340 may perform or direct operations of, for example, process 700 of Fig.7, process 800 of Fig.8, process 900 of Fig.9, process 1000 of Fig.10, or other processes as described herein (alone or in conjunction with one or more other processors). The memory 242 may store data and program codes for the network node 110, the network node 110, the CU 310, the DU 330, or the RU 340. The memory 282 may store data and program codes for the UE 120. In some examples, the memory 242 or the memory 282 may include a non-transitory computer- readable medium storing a set of instructions (for example, code or program code) for wireless communication. The memory 242 may include one or more memories, such as a single memory or multiple different memories (of the same type or of different types). The memory 282 may include one or more memories, such as a single memory or multiple different memories (of the same type or of different types). For example, the set of instructions, when executed (for example, directly, or after compiling, converting, or interpreting) by one or more processors of the 0097-5220PCT 29network node 110, the UE 120, the CU 310, the DU 330, or the RU 340, may cause the one or more processors to perform process 700 of Fig.7, process 800 of Fig.8, process 900 of Fig.9, process 1000 of Fig.10, or other processes as described herein. In some examples, executing instructions may include running the instructions, converting the instructions, compiling the instructions, and / or interpreting the instructions, among other examples.
[0098] In some aspects, the UE 120 includes means for performing, in accordance with an SBFD operation, PDCCH skipping based at least in part on a PDCCH monitoring adaptation field, wherein the PDCCH skipping includes skipping PDCCH monitoring for a duration that begins at a beginning of a first slot that is after a last symbol of a PDCCH reception that provides a DCI format with the PDCCH monitoring adaptation field, and wherein the PDCCH monitoring adaptation field indicates for the UE to perform the PDCCH skipping for the duration on an active BWP of a serving cell; means for detecting, within a resource that occurs during the duration, an overlap between a PDCCH monitoring occasion and an uplink transmission by the UE; and / or means for transmitting the uplink transmission within the resource based at least in part on the overlap between the PDCCH monitoring occasion and the uplink transmission. The means for the UE 120 to perform operations described herein may include, for example, one or more of communication manager 140, antenna 252, modem 254, MIMO detector 256, receive processor 258, transmit processor 264, TX MIMO processor 266, controller / processor 280, or memory 282.
[0099] In some aspects, the UE 120 includes means for obtaining an indication to prioritize uplink transmissions over downlink communications within an SBFD resource; means for transmitting UTO-UCI indicating that the UE is to skip an uplink transmission occasion within the SBFD resource; and / or means for assigning a priority to a downlink communication within the SBFD resource that is a higher than a priority of an uplink transmission associated with the uplink transmission occasion based at least in part on the UTO-UCI. The means for the UE 120 to perform operations described herein may include, for example, one or more of communication manager 140, antenna 252, modem 254, MIMO detector 256, receive processor 258, transmit processor 264, TX MIMO processor 266, controller / processor 280, or memory 282.
[0100] In some aspects, the network node 110 includes means for transmitting, in accordance with an SBFD operation, a PDCCH skipping indication that is included within a PDCCH monitoring adaptation field, wherein the PDCCH skipping indication indicates for a UE to skip PDCCH monitoring for a duration that begins at a beginning of a first slot that is after a last symbol of a PDCCH reception that provides a DCI format with the PDCCH monitoring adaptation field, and wherein the PDCCH monitoring adaptation field indicates for the UE to perform the PDCCH skipping for the duration on an active downlink BWP of a serving cell; and / or means for receiving an uplink transmission within a resource that occurs during the duration based at least in part on an overlap between a PDCCH monitoring occasion and the 0097-5220PCT 30uplink transmission. The means for the network node 110 to perform operations described herein may include, for example, one or more of communication manager 150, modem 232, antenna 234, MIMO detector 236, receive processor 238, controller / processor 240, memory 242, or scheduler 246.
[0101] In some aspects, the network node 110 includes means for receiving UTO-UCI indicating that a UE is to skip an uplink transmission occasion within an SBFD resource; and / or means for transmitting a downlink communication within the SBFD resource based at least in part on the UTO-UCI. The means for the network node 110 to perform operations described herein may include, for example, one or more of communication manager 150, modem 232, antenna 234, MIMO detector 236, receive processor 238, controller / processor 240, memory 242, or scheduler 246.
[0102] As indicated above, Fig.3 is provided as an example. Other examples may differ from what is described with regard to Fig.3.
[0103] Fig.4 is a diagram illustrating examples of sub-band full-duplex operations, in accordance with the present disclosure.
[0104] A UE and a network node may communicate in a wireless communication network. In some examples, the network node may transmit a PDCCH communication to the UE. The PDCCH communication may include downlink resource allocation information that indicates the allocation of resources on the downlink channel, such as which frequency and time resources are to be used by the UE for receiving data on a PDSCH. Additionally, or alternatively, the PDCCH communication may include an uplink scheduling grant that enables the UE transmit data to the network node via an uplink channel, such as a PUSCH.
[0105] The network node may transmit PDCCH monitoring information that indicates for the UE to monitor one or more PDCCH occasions. In some examples, the PDCCH monitoring information may indicate for the UE to monitor only a portion of a plurality of PDCCH occasions, which may reduce a power consumption at the UE and, thereby, enable power saving at the UE. For example, the network node may transmit scheduling DCI that includes a two-bit PDCCH monitoring adaptation field (PDCCHmonitoringadaptation) that indicates for the UE to perform PDCCH skipping and / or that indicates for the UE to perform SSSG switching. The indication for the UE to perform PDCCH skipping may be an indication for the UE to skip PDCCH monitoring for a duration on an active DL BWP of a serving cell, and to start skipping PDCCH monitoring at a beginning of a first slot that is after a last symbol of a PDCCH reception providing the DCI format with the PDCCH monitoring adaptation field. The indication for the UE to perform SSSG switching may be an indication for the UE to start PDCCH monitoring according to search space sets with a first group index and to stop PDCCH monitoring according to search space sets with a second group index, and to apply the indication at the beginning of a first slot that is at least 0097-5220PCT 31symbols after the last symbol of the PDCCH reception providing the DCI format with thePDCCH monitoring adaptation field when 0, 1, 2, 3 .
[0106] In some examples, the scheduling DCI can be used to indicate one or more of the following behaviors (for example, one or more behaviors associated with a unified design for PDCCH skipping and SSSG switching). A behavior (behavior 1) associated with PDCCH skipping may indicate that PDCCH skipping is not activated or triggered. Another behavior (behavior 1A) associated with PDCCH skipping may indicate to stop PDCCH monitoring for a duration X. A behavior (behavior 2) associated with SSSG switching may indicate for the UE to stop monitoring search space (SS) sets associated with SSSG#1 and SSSG#2, and to monitor SS sets associated with SSSG#0. Another behavior (behavior 2A) associated with SSSG switching may indicate for the UE to stop monitoring SS sets associated with SSSG#0 and SSSG#2, and to monitor SS sets associated with SSSG#1. Another behavior (behavior 2B) associated with SSSG switching may indicate for the UE to stop monitoring SS sets associated with SSSG#0 and SSSG#1, and to monitor SS sets associated with SSSG#2. One of the behaviors may be mapped to a codepoint of an indication field in the scheduling DCI. In some cases, PDCCH skipping and SSSG switching may be applied at least for Type 3 common search space and UE-specific search space operations. Other common search spaces may always be monitored regardless of SSSG switching and PDCCH skipping. In some examples, for Behavior 1A, the UE can be indicated with a value of X among M RRC-configured values. In one example, the maximum value of M is 3. The behaviors described above are shown in Table 1. Table 1 PDCCH Skipping Behavior 1 PDCCH skipping is not activated or triggered Behavior 1A Stop PDCCH monitoring for a duration X SSSG Switching Behavior 2 Stop monitoring SS sets associated with SSSG#1 and SSSG#2, and monitor SS sets associated with SSSG#0 Behavior 2A Stop monitoring SS sets associated with SSSG#0 and SSSG#2, and monitor SS sets associated with SSSG#1 Behavior 2B Stop monitoring SS sets associated with SSSG#0 and SSSG#1, and monitor SS sets associated with SSSG#2 0097-5220PCT 32
[0107] Full-duplex communication in a wireless network refers to simultaneous bi-directional communication between devices in the wireless network. For example, a UE operating in a full- duplex mode may transmit an uplink communication and receive a downlink communication at the same time (e.g., in the same slot or the same symbol). Half-duplex communication in a wireless network refers to unidirectional communications (e.g., only downlink communication or only uplink communication) between devices at a given time (e.g., in a given slot or a given symbol). A UE communicating using in-band full-duplex (IBFD) communications may transmit an uplink communication to a base station and receive a downlink communication from the base station on the same time and frequency resources. In a first example of IBFD, the time and frequency resources for uplink communication may fully overlap with the time and frequency resources for downlink communication. In a second example of IBFD, the time and frequency resources for uplink communication may partially overlap with the time and frequency resources for downlink communication. In contrast, a UE communicating using SBFD communications may transmit an uplink communication to a base station and receive a downlink communication from the base station at the same time, but on different frequency resources. For example, the different frequency resources may be sub-bands of a frequency band, such as a time division duplexing band. In this case, the frequency resources used for downlink communication may be separated from the frequency resources used for uplink communication, in the frequency domain, by a guard band. In some examples, the UE may operate using half-duplex but may communicate with the network node using full-duplex.
[0108] The UE may need to identify whether the UE is to transmit or receive in an SBFD symbol (for example, when using a non-transparent SBFD operation). In some examples, the UE may treat the SBFD symbol as a flexible symbol and may determine a traffic direction (uplink or downlink) based at least in part on dynamic scheduling (for example, when the UE monitors the PDCCH candidates) or semi-static signaling. As shown in example 400, the UE may determine that the traffic direction is uplink and may perform a semi-static uplink transmission 405. In some examples, a default behavior of the direction may be indicated by an RRC parameter, and the UE may be semi-statically indicated that the direction is to be downlink or uplink. The UE may receive dedicated RRC signaling or may receive other signaling (such as a TDD-uplink (UL)-DL-dedicated (TDD-UL-DL-dedicated) indicator) that indicates the direction. As shown by reference number 410, the UE may receive DCI 415 that indicates for the UE to perform a PUSCH transmission 420. In some examples, a time-domain collision between conflicting transmissions and receptions in SBFD symbols may occur. In one example, there may not be sufficient time for switching between transmission and reception. As shown by reference number 425, there may not be sufficient time for the UE to switch from downlink reception for receiving a PDCCH 430 and uplink transmission for transmitting an SRS 435. In another example, at least one OFDM symbol may include an overlap between an uplink transmission and a downlink 0097-5220PCT 33reception. As shown by reference number 440, an overlap may occur between a semi-persistent scheduling (SPS) PDSCH reception 445 and a PUCCH transmission 450. Time-domain collision rules for resolving conflicts between transmissions and receptions by the UE may need to be defined to account for time domain collisions between transmissions and receptions in SBFD. Collision rules for a half-duplex UE that is communicating with a network node using SBFD are shown in Table 2, where RO refers to a random access occasion, SSB refers to a synchronization signal block, and PRACH refers to a physical random access channel. Table 2 Downlink Reception Semi-static DL Dynamic DL SSB (and (PDSCH, CSI- (PDSCH, CSI- Type0 CSS) RS) RS) Semi-static UL See Note 1 Cancel UL SSB (SRS, PUCCH, within PUSCH) cancellation timeline Dynamic UL Cancel DL Not Expected SSB Uplink (SRS, PUCCH, (error case) Transmission PUSCH) Valid RO RRC-PRACH: Cancel RRC- Not allowed See Note 1; PRACH within PDCCH order cancellation higher timeline; PDCCH-order not allowed
[0109] Note 1: for semi-static UL and semi-static downlink collision, prioritize uplink (coverage, latency) except for PDCCH MOs. Alternatively, a priority rule may be defined by the network node 110 to resolve the collision.
[0110] Collision rules for semi-static downlink transmissions are shown in Table 3. For the collision of semi-static downlink and semi-static uplink, PDCCH monitoring occasions (MO) and tracking reference signal (TRS) receptions may be prioritized over semi-static PUSCH transmissions. 0097-5220PCT 34Table 3 Semi-static DL PDCCH PDSCH CSI-RS TRS (MO / SS) SRS, Prioritize Prioritize UL Prioritize UL Prioritize Semi-static PUCCH, PDCCH transmission transmission TRS UL PUSCH reception (contiguous) Valid RO Prioritize Prioritize Prioritize Prioritize PRACH PRACH PRACH PRACH
[0111] As described herein, PDCCH monitoring occasions may be prioritized over uplink transmissions. For example, a PDCCH monitoring occasion or search space within an SBFD resource may be prioritized over a conflicting SRS, PUCCH, or PUSCH transmission. However, this priority may need to be updated when the UE is performing PDCCH skipping or SSSG switching. For example, in an SBFD resource during which the UE is performing PDCCH skipping or SSSG switching, prioritizing PDCCH monitoring over an SRS, PUCCH, or PUSCH transmission may result in no uplink transmissions or downlink receptions occurring within the SBFD resource. This may result in increased latency at the UE. In some examples, the UE may transmit UTO-UCI indicating that the UE is to perform PUSCH skipping (for example, indicating that the UE not to perform a transmission within a PUSCH transmission occasion). As described herein, an SRS, PUCCH, or PUSCH transmission may be prioritized over a PDSCH reception by the UE. However, this priority may need to be updated when the UE is performing PUSCH skipping. For example, in an SBFD resource during which the UE is performing PUSCH skipping, prioritizing the SRS, PUCCH, or PUSCH transmission over the PDSCH may result in no uplink transmissions or downlink receptions occurring within the SBFD resource. This may result in increased latency at the UE.
[0112] As indicated above, Fig.4 is provided as an example. Other examples may differ from what is described with respect to Fig.4.
[0113] Fig.5 is a diagram illustrating an example 500 of physical downlink control channel skipping, in accordance with the present disclosure. The UE 120 and the network node 110 may communicate in a wireless communication network. As described herein, the UE 120 may receive and / or may be configured with one or more semi-static collision rules that indicate for the UE 120 to prioritize a PDCCH reception over an uplink transmission in an SBFD resource.
[0114] As shown by reference number 505, the network node 110 may transmit, and the UE 120 may receive, a PDCCH skipping indication that indicates for the UE 120 to perform PDCCH 0097-5220PCT 35skipping. The PDCCH skipping indication may indicate for the UE 120 to perform the PDCCH skipping in accordance with an SBFD operation. In some aspects, the PDCCH skipping indication may be included in a PDCCH monitoring adaptation field (PDCCHmonitoringadaptation) that indicates for the UE to skip PDCCH monitoring for a duration on an active DL BWP of a serving cell. The duration may begin at a beginning of a first slot that is after a last symbol of a PDCCH reception that provides a DCI format with the PDCCH monitoring adaptation field.
[0115] As shown by reference number 510, the UE 120 may perform PDCCH skipping for the duration based at least in part on the PDCCH skipping indication. For example, the UE 120 may begin skipping the PDCCH monitoring at the beginning of the first slot that is after the last symbol of a PDCCH reception that provides the DCI format with the PDCCH monitoring adaptation field.
[0116] As shown by reference number 515, the UE 120 may detect an overlap between a PDCCH monitoring occasion and an uplink transmission by the UE 120 that occurs during the duration. The uplink transmission may be, for example, a PUCCH transmission, a PUSCH transmission, or an SRS transmission that occurs in one or more uplink sub-bands of an SBFD slot.
[0117] As shown by reference number 520, the UE 120 may transmit, and the network node 110 may receive, an uplink transmission within the SBFD resource based at least in part on detecting the overlap between the PDCCH monitoring occasion and the uplink transmission. The UE 120 may transmit the uplink transmission to the network node 110 using a half-duplex operation. For collision handling within the duration, the UE 120 may consider the PDCCH monitoring occasion as a lower priority than the uplink transmission regardless of a configured or indicated semi-static priority rule. For example, the UE 120 may assign a higher priority to an uplink transmission within the uplink sub-bands of the SBFD resource and may assign a lower priority to PDCCH monitoring within the SBFD resource. Additionally, or alternatively, the UE 120 may disable a collision handling rule and / or a conflict resolution rule that indicates for the UE 120 to prioritize the PDCCH monitoring over the uplink transmission. The UE 120 may perform the uplink transmission (e.g., the PUCCH transmission, the PUSCH transmission, or the SRS transmission) in the one or more uplink sub-bands of the SBFD resource (e.g., an SBFD slot) that occurs during the duration, where the duration begins at the beginning of the first slot that is after the last symbol of the PDCCH reception that provides the DCI format with the PDCCH monitoring adaptation field. Alternatively, if the UE 120 does not detect an overlap between the PDCCH monitoring occasion and an uplink transmission, the UE 120 may prioritize PDCCH monitoring within the SBFD resource. 0097-5220PCT 36
[0118] In some aspects, the UE 120 may obtain an indication that the UE 120 is enabled to perform the uplink transmission in accordance with the skipping indication being received in a symbol that is not later than an offset from one or more starting symbols of the uplink transmission. This may provide the UE 120 more time to switch between reception and transmission and / or may provide the UE 120 with sufficient time to prepare the uplink transmission. In this example, the UE 120 may perform PDCCH skipping in accordance with the skipping indication being received in the symbol that is not later than the offset from one or more starting symbols of the uplink transmission. Alternatively, the UE 120 may refrain from performing the PDCCH skipping in accordance with the skipping indication being received in a symbol that is later than the offset from one or more starting symbols of the uplink transmission. In some aspects, the offset may be based at least in part on a PUSCH preparation time (e.g., Tproc,2). In some aspects, the offset may be based at least in part on a UE capability. Additionally, or alternatively, the UE 120 may receive an indication of the offset from the network node 110.
[0119] In some aspects, for performing SSSG switching, the UE 120 may obtain an indication to use a semi-static SBFD prioritization rule that is based at least in part on a current SSSG. The UE 120 may apply a collision rule associated with the initial SSSG (and / or may refrain from applying a collision rule associated with a destination SSSG) in accordance with an application delay that is at least a dedicated quantity of symbols after a last symbol of the PDCCH reception that provides the DCI format with the PDCCH monitoring adaptation field. For example, for SSSG switching, the UE 120 may follow the semi-static SBFD prioritization rules based at least in part on the current SSSG during an application delay which is at least symbols after the last symbol of the PDCCH reception providing the DCI format with the PDCCH monitoringadaptation field when 0, 1, 2, 3 . The UE 120 may apply a collision rule that follows theinitial SSSG and not the destination SSSG.
[0120] In some aspects, the UE 120 may transmit a scheduling request (SR) and / or a negative acknowledgement (NACK) on a PUCCH. The UE 120 may transmit the SR and / or the NACK within the duration regardless of any PDCCH skipping indication received by the UE 120. In this example, after transmitting the SR and / or the NACK on the PUCCH, the UE 120 may follow the semi-static collision rule and / or the PDCCH skipping indication for determining whether to perform an uplink transmission (e.g., the PUCCH transmission, the PUSCH transmission, or the SRS transmission) or to perform PDCCH monitoring in SBFD slots starting from the end of the symbol of PUCCH carrying the SR or NACK.
[0121] As indicated above, Fig.5 is provided as an example. Other examples may differ from what is described with respect to Fig.5. 0097-5220PCT 37
[0122] Fig.6 is a diagram illustrating an example 600 of physical uplink control channel skipping, in accordance with the present disclosure. The UE 120 and the network node 110 may communicate in a wireless communication network.
[0123] As shown by reference number 605, the network node 110 may transmit, and the UE 120 may receive, an indication to prioritize uplink transmissions over downlink communications within an SBFD resource. In some aspects, receiving the indication to prioritize the uplink transmissions over the downlink communications may include receiving one or more semi-static collision rules that indicate for the UE 120 to prioritize the uplink transmissions over the downlink communications within the SBFD resource. Additionally, or alternatively, the UE 120 may be configured with the one or more collisions rules that indicate for the UE 120 to prioritize the uplink transmissions over the downlink communications within the SBFD resource.
[0124] As shown by reference number 610, the UE 120 may transmit, and the network node 110 may receive, UTO-UCI. The UTO-UCI may indicate that the UE 120 is to skip an uplink transmission occasion within the SBFD resource. For example, the UTO-UCI may indicate that the UE 120 is to skip a configured grant (CG) PUSCH transmission occasion within the SBFD resource.
[0125] As shown by reference number 615, the UE 120 may assign a priority to a downlink communication within the SBFD resource that is higher than a priority of an uplink transmission associated with the skipped uplink transmission occasion. In some aspects, if the UE 120 transmits UTO-UCI indicating that the UE 120 is to skip the CG PUSCH occasion, the UE 120 may determine to prioritize reception of a downlink communication (such as a channel state information reference signal (CSI-RS) transmission and / or a PDSCH transmission by the network node 110) within the SBFD resource. For example, the UE 120 may determine to prioritize receiving downlink communications in a downlink portion of the SBFD resource in accordance with the UE 120 refraining from performing any uplink transmissions in an uplink portion of the SBFD resource. For collision handling of the CG PUSCH resource, the UE 120 may consider the PUSCH transmission as a lower priority than the downlink communication regardless of a configured or indicated semi-static priority rule when the CG PUSCH has been indicated as skipped. In some aspects, based at least in part on transmitting the UTO-UCI, the UE 120 may disable a collision handling rule and / or a conflict resolution rule that indicates for the UE 120 to prioritize the CG PUSCH over the downlink communication.
[0126] In some aspects, the UE 120 may obtain an indication that the UE 120 is enabled to prioritize receiving a downlink communication in accordance with transmitting the UTO-UCI in a symbol that is not later than an offset from one or more starting symbols of the downlink communication. This may provide the UE 120 more time to switch between transmission and reception. In this example, the UE 120 may skip performing the CG PUSCH transmission, and 0097-5220PCT 38may prioritize receiving the downlink communication, in accordance with transmitting the UTO- UCI in the symbol that is not later than the offset from one or more starting symbols of the downlink communication. The offset may be based at least in part on a PUSCH preparation time (e.g., Tproc,2). In some aspects, the offset may be based at least in part on a UE capability. Additionally, or alternatively, the UE 120 may receive an indication of the offset from the network node 110.
[0127] As shown by reference number 620, the network node 110 may transmit, and the UE 120 may receive, a downlink communication within the SBFD resource. The UE 120 may monitor for the downlink communication within the SBFD resource based at least in part on transmitting the UTO-UCI indicating that the UE 120 is not to perform a CG PUSCH transmission that overlaps with the downlink communication within the SBFD resource.
[0128] As indicated above, Fig.6 is provided as an example. Other examples may differ from what is described with respect to Fig.6.
[0129] Fig.7 is a diagram illustrating an example process 700 performed, for example, at a UE or an apparatus of a UE, in accordance with the present disclosure. Example process 700 is an example where the apparatus or the UE (e.g., UE 120) performs operations associated with physical downlink control channel monitoring.
[0130] As shown in Fig.7, in some aspects, process 700 may include performing, in accordance with an SBFD operation, PDCCH skipping based at least in part on a PDCCH monitoring adaptation field, wherein the PDCCH skipping includes skipping PDCCH monitoring for a duration that begins at a beginning of a first slot that is after a last symbol of a PDCCH reception that provides a DCI format with the PDCCH monitoring adaptation field, and wherein the PDCCH monitoring adaptation field indicates for the UE to perform the PDCCH skipping for the duration on an active downlink BWP of a serving cell (block 710). For example, the UE (e.g., using communication manager 1106, depicted in Fig.11) may perform, in accordance with an SBFD operation, PDCCH skipping based at least in part on a PDCCH monitoring adaptation field, wherein the PDCCH skipping includes skipping PDCCH monitoring for a duration that begins at a beginning of a first slot that is after a last symbol of a PDCCH reception that provides a DCI format with the PDCCH monitoring adaptation field, and wherein the PDCCH monitoring adaptation field indicates for the UE to perform the PDCCH skipping for the duration on an active downlink BWP of a serving cell, as described above.
[0131] As further shown in Fig.7, in some aspects, process 700 may include detecting, within a resource that occurs during the duration, an overlap between a PDCCH monitoring occasion and an uplink transmission by the UE (block 720). For example, the UE (e.g., using communication manager 1106, depicted in Fig.11) may detect, within a resource that occurs during the duration, 0097-5220PCT 39an overlap between a PDCCH monitoring occasion and an uplink transmission by the UE, as described above.
[0132] As further shown in Fig.7, in some aspects, process 700 may include transmitting the uplink transmission within the resource based at least in part on the overlap between the PDCCH monitoring occasion and the uplink transmission (block 730). For example, the UE (e.g., using transmission component 1104 and / or communication manager 1106, depicted in Fig.11) may transmit the uplink transmission within the resource based at least in part on the overlap between the PDCCH monitoring occasion and the uplink transmission, as described above.
[0133] Process 700 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in connection with one or more other processes described elsewhere herein.
[0134] In a first aspect, process 700 includes prioritizing the uplink transmission over the PDCCH monitoring occasion based at least in part on detecting the overlap between the PDCCH monitoring occasion and the uplink transmission.
[0135] In a second aspect, alone or in combination with the first aspect, process 700 includes disabling one or more collision handling rules associated with collisions between PDCCH monitoring occasions and uplink transmissions based at least in part on detecting the overlap between the PDCCH monitoring occasion and the uplink transmission.
[0136] In a third aspect, alone or in combination with one or more of the first and second aspects, process 700 includes detecting, within another resource that occurs during the duration, another PDCCH monitoring occasion that does not overlap with any uplink transmission by the UE, and prioritizing the other PDCCH monitoring occasion within the other resource.
[0137] In a fourth aspect, alone or in combination with one or more of the first through third aspects, transmitting the uplink transmission within the resource comprises performing a physical uplink control channel transmission, a physical uplink shared channel transmission, or a sounding reference signal transmission in one or more uplink sub-bands of an SBFD slot.
[0138] In a fifth aspect, alone or in combination with one or more of the first through fourth aspects, process 700 includes obtaining an indication that the UE is enabled to transmit the uplink transmission in accordance with a skipping indication that indicates for the UE to perform the PDCCH skipping being received in a symbol that is less than an offset from one or more starting symbols of the uplink transmission.
[0139] In a sixth aspect, alone or in combination with one or more of the first through fifth aspects, performing the PDCCH skipping comprises performing the PDCCH skipping in accordance with the skipping indication being received in the symbol that is less than the offset from one or more starting symbols of the uplink transmission. 0097-5220PCT 40
[0140] In a seventh aspect, alone or in combination with one or more of the first through sixth aspects, the offset is based at least in part on a physical uplink shared channel preparation time.
[0141] In an eighth aspect, alone or in combination with one or more of the first through seventh aspects, process 700 includes receiving an indication of the offset based at least in part on a UE capability.
[0142] In a ninth aspect, alone or in combination with one or more of the first through eighth aspects, process 700 includes obtaining an indication of the offset from a configuration of the UE.
[0143] In a tenth aspect, alone or in combination with one or more of the first through ninth aspects, process 700 includes obtaining an indication to use a semi-static SBFD prioritization rule based at least in part on a current SSSG for performing SSSG switching, and applying, in accordance with an application delay that is at least a dedicated quantity of symbols after a last symbol of the PDCCH reception that provides the DCI format with the PDCCH monitoring adaptation field, a collision rule associated with an initial SSSG.
[0144] In an eleventh aspect, alone or in combination with one or more of the first through tenth aspects, process 700 includes refraining from applying another collision rule associated with a destination SSSG.
[0145] In a twelfth aspect, alone or in combination with one or more of the first through eleventh aspects, process 700 includes transmitting, in accordance with performing the PDCCH skipping during the duration, a PUCCH transmission that includes at least one of a SR or a NACK, and identifying, after transmitting the PUCCH transmission that includes the SR or the NACK, whether to transmit the uplink transmission within the duration based at least in part on the overlap between the PDCCH monitoring occasion and the uplink transmission.
[0146] In a thirteenth aspect, alone or in combination with one or more of the first through twelfth aspects, identifying whether to transmit the uplink transmission within the duration comprises identifying whether to perform a physical uplink control channel transmission, a physical uplink shared channel transmission, or a sounding reference signal transmission within one or more SBFD slots starting from an end of a symbol carrying the SR or the NACK.
[0147] In a fourteenth aspect, alone or in combination with one or more of the first through thirteenth aspects, transmitting the uplink transmission comprises transmitting the uplink transmission to a network node using a half-duplex operation.
[0148] Although Fig.7 shows example blocks of process 700, in some aspects, process 700 may include additional blocks, fewer blocks, different blocks, or differently arranged blocks than those depicted in Fig.7. Additionally, or alternatively, two or more of the blocks of process 700 may be performed in parallel.
[0149] Fig.8 is a diagram illustrating an example process 800 performed, for example, at a UE or an apparatus of a UE, in accordance with the present disclosure. Example process 800 is an 0097-5220PCT 41example where the apparatus or the UE (e.g., UE 120) performs operations associated with physical downlink control channel monitoring.
[0150] As shown in Fig.8, in some aspects, process 800 may include obtaining an indication to prioritize uplink transmissions over downlink communications within an SBFD resource (block 810). For example, the UE (e.g., using reception component 1102 and / or communication manager 1106, depicted in Fig.11) may obtain an indication to prioritize uplink transmissions over downlink communications within an SBFD resource, as described above.
[0151] As further shown in Fig.8, in some aspects, process 800 may include transmitting UTO-UCI indicating that the UE is to skip an uplink transmission occasion within the SBFD resource (block 820). For example, the UE (e.g., using transmission component 1104 and / or communication manager 1106, depicted in Fig.11) may transmit UTO-UCI indicating that the UE is to skip an uplink transmission occasion within the SBFD resource, as described above.
[0152] As further shown in Fig.8, in some aspects, process 800 may include assigning a priority to a downlink communication within the SBFD resource that is a higher than a priority of an uplink transmission associated with the uplink transmission occasion based at least in part on the UTO-UCI (block 830). For example, the UE (e.g., using communication manager 1106, depicted in Fig.11) may assign a priority to a downlink communication within the SBFD resource that is a higher than a priority of an uplink transmission associated with the uplink transmission occasion based at least in part on the UTO-UCI, as described above.
[0153] Process 800 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in connection with one or more other processes described elsewhere herein.
[0154] In a first aspect, the uplink transmission is a sounding reference signal transmission, a physical uplink control channel transmission, or a physical uplink shared channel transmission, and wherein the downlink communication is a channel state information reference signal reception or a physical downlink shared channel reception.
[0155] In a second aspect, alone or in combination with the first aspect, process 800 includes receiving a downlink communication from a network node within the SBFD resource that includes the uplink transmission occasion.
[0156] In a third aspect, alone or in combination with one or more of the first and second aspects, process 800 includes disabling one or more collision handling rules associated with collisions between the uplink transmissions and the downlink communications based at least in part on transmitting the UTO-UCI.
[0157] In a fourth aspect, alone or in combination with one or more of the first through third aspects, process 800 includes obtaining an indication that the UE is enabled to receive the downlink communication within the SBFD resource in accordance with the UTO-UCI being 0097-5220PCT 42transmitted in a symbol that is less than an offset from one or more starting symbols of the downlink communication.
[0158] In a fifth aspect, alone or in combination with one or more of the first through fourth aspects, receiving the downlink communication comprises receiving the downlink communication in accordance with the UTO-UCI being transmitted in a symbol that is less than the offset from the one or more starting symbols of the downlink communication.
[0159] In a sixth aspect, alone or in combination with one or more of the first through fifth aspects, the offset is based at least in part on a physical uplink shared channel preparation time.
[0160] In a seventh aspect, alone or in combination with one or more of the first through sixth aspects, process 800 includes receiving an indication of the offset based at least in part on a UE capability.
[0161] In an eighth aspect, alone or in combination with one or more of the first through seventh aspects, process 800 includes obtaining an indication of the offset from a configuration of the UE.
[0162] In a ninth aspect, alone or in combination with one or more of the first through eighth aspects, transmitting the UTO-UCI comprises transmitting the UTO-UCI to a network node using a half-duplex operation.
[0163] Although Fig.8 shows example blocks of process 800, in some aspects, process 800 may include additional blocks, fewer blocks, different blocks, or differently arranged blocks than those depicted in Fig.8. Additionally, or alternatively, two or more of the blocks of process 800 may be performed in parallel.
[0164] Fig.9 is a diagram illustrating an example process 900 performed, for example, at a network node or an apparatus of a network node, in accordance with the present disclosure. Example process 900 is an example where the apparatus or the network node (e.g., network node 110) performs operations associated with physical downlink control channel monitoring.
[0165] As shown in Fig.9, in some aspects, process 900 may include transmitting, in accordance with an SBFD operation, a PDCCH skipping indication that is included within a PDCCH monitoring adaptation field, wherein the PDCCH skipping indication indicates for a UE) to skip PDCCH monitoring for a duration that begins at a beginning of a first slot that is after a last symbol of a PDCCH reception that provides a DCI format with the PDCCH monitoring adaptation field, and wherein the PDCCH monitoring adaptation field indicates for the UE to perform the PDCCH skipping for the duration on an active downlink BWP of a serving cell (block 910). For example, the network node (e.g., using transmission component 1204 and / or communication manager 1206, depicted in Fig.12) may transmit, in accordance with an SBFD operation, a PDCCH skipping indication that is included within a PDCCH monitoring adaptation field, wherein the PDCCH skipping indication indicates for a UE) to skip PDCCH monitoring for 0097-5220PCT 43a duration that begins at a beginning of a first slot that is after a last symbol of a PDCCH reception that provides a DCI format with the PDCCH monitoring adaptation field, and wherein the PDCCH monitoring adaptation field indicates for the UE to perform the PDCCH skipping for the duration on an active downlink BWP of a serving cell, as described above.
[0166] As further shown in Fig.9, in some aspects, process 900 may include receiving an uplink transmission within a resource that occurs during the duration based at least in part on an overlap between a PDCCH monitoring occasion and the uplink transmission (block 920). For example, the network node (e.g., using reception component 1202 and / or communication manager 1206, depicted in Fig.12) may receive an uplink transmission within a resource that occurs during the duration based at least in part on an overlap between a PDCCH monitoring occasion and the uplink transmission, as described above.
[0167] Process 900 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in connection with one or more other processes described elsewhere herein.
[0168] In a first aspect, the PDCCH skipping indication indicates for the UE to prioritize the uplink transmission over the PDCCH monitoring occasion based at least in part on the overlap between the PDCCH monitoring occasion and the uplink transmission.
[0169] In a second aspect, alone or in combination with the first aspect, the PDCCH skipping indication indicates for the UE to disable one or more collision handling rules associated with collisions between PDCCH monitoring occasions and uplink transmissions based at least in part on the overlap between the PDCCH monitoring occasion and the uplink transmission.
[0170] In a third aspect, alone or in combination with one or more of the first and second aspects, the PDCCH skipping indication indicates for the UE to prioritize the uplink transmission over the PDCCH monitoring occasion based at least in part on the PDCCH monitoring occasion not overlapping with the uplink transmission.
[0171] In a fourth aspect, alone or in combination with one or more of the first through third aspects, receiving the uplink transmission within the resource comprises receiving a physical uplink control channel transmission, a physical uplink shared channel transmission, or a sounding reference signal transmission in one or more uplink sub-bands of an SBFD slot.
[0172] In a fifth aspect, alone or in combination with one or more of the first through fourth aspects, the PDCCH skipping indication indicates for the UE to perform the uplink transmission in accordance with receiving the PDCCH skipping indication in a symbol that is less than an offset from one or more starting symbols of the uplink transmission.
[0173] In a sixth aspect, alone or in combination with one or more of the first through fifth aspects, the offset is based at least in part on a physical uplink shared channel preparation time. 0097-5220PCT 44
[0174] In a seventh aspect, alone or in combination with one or more of the first through sixth aspects, process 900 includes transmitting an indication for the UE to apply a collision rule associated with an initial SSSG based at least in part on an application delay that is at least a dedicated quantity of symbols after a last symbol of the PDCCH reception that provides the DCI format with the PDCCH monitoring adaptation field.
[0175] In an eighth aspect, alone or in combination with one or more of the first through seventh aspects, process 900 includes receiving, during the duration, a PUCCH transmission that includes at least one of a SR or a NACK, and receiving, after receiving the PUCCH transmission that includes the SR or the NACK, the uplink transmission within the duration based at least in part on the overlap between the PDCCH monitoring occasion and the uplink transmission.
[0176] Although Fig.9 shows example blocks of process 900, in some aspects, process 900 may include additional blocks, fewer blocks, different blocks, or differently arranged blocks than those depicted in Fig.9. Additionally, or alternatively, two or more of the blocks of process 900 may be performed in parallel.
[0177] Fig.10 is a diagram illustrating an example process 1000 performed, for example, at a network node or an apparatus of a network node, in accordance with the present disclosure. Example process 1000 is an example where the apparatus or the network node (e.g., network node 110) performs operations associated with physical downlink control channel monitoring.
[0178] As shown in Fig.10, in some aspects, process 1000 may include receiving UTO-UCI indicating that a UE) is to skip an uplink transmission occasion within an SBFD resource (block 1010). For example, the network node (e.g., using reception component 1202 and / or communication manager 1206, depicted in Fig.12) may receive UTO-UCI indicating that a UE) is to skip an uplink transmission occasion within an SBFD resource, as described above.
[0179] As further shown in Fig.10, in some aspects, process 1000 may include transmitting a downlink communication within the SBFD resource based at least in part on the UTO-UCI (block 1020). For example, the network node (e.g., using transmission component 1204 and / or communication manager 1206, depicted in Fig.12) may transmit a downlink communication within the SBFD resource based at least in part on the UTO-UCI, as described above.
[0180] Process 1000 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in connection with one or more other processes described elsewhere herein.
[0181] In a first aspect, the downlink communication within the SBFD resource is assigned a higher priority than a priority of an uplink transmission associated with the uplink transmission occasion indicated by the UTO-UCI. 0097-5220PCT 45
[0182] In a second aspect, alone or in combination with the first aspect, one or more collision handling rules associated with collisions between the uplink transmissions and the downlink communications are disabled based at least in part on the UTO-UCI.
[0183] In a third aspect, alone or in combination with one or more of the first and second aspects, transmitting the downlink communication within the SBFD resource comprises transmitting the downlink communication within the SBFD resource in accordance with receiving the UTO-UCI in a symbol that is than an offset from one or more starting symbols of the downlink communication.
[0184] In a fourth aspect, alone or in combination with one or more of the first through third aspects, the offset is based at least in part on a physical uplink shared channel preparation time.
[0185] Although Fig.10 shows example blocks of process 1000, in some aspects, process 1000 may include additional blocks, fewer blocks, different blocks, or differently arranged blocks than those depicted in Fig.10. Additionally, or alternatively, two or more of the blocks of process 1000 may be performed in parallel.
[0186] Fig.11 is a diagram of an example apparatus 1100 for wireless communication, in accordance with the present disclosure. The apparatus 1100 may be a UE, or a UE may include the apparatus 1100. In some aspects, the apparatus 1100 includes a reception component 1102, a transmission component 1104, and / or a communication manager 1106, which may be in communication with one another (for example, via one or more buses and / or one or more other components). In some aspects, the communication manager 1106 is the communication manager 140 described in connection with Fig.1. As shown, the apparatus 1100 may communicate with another apparatus 1108, such as a UE or a network node (such as a CU, a DU, an RU, or a base station), using the reception component 1102 and the transmission component 1104.
[0187] In some aspects, the apparatus 1100 may be configured to perform one or more operations described herein in connection with Figs.5-6. Additionally, or alternatively, the apparatus 1100 may be configured to perform one or more processes described herein, such as process 700 of Fig.7, process 800 of Fig.8, or a combination thereof. In some aspects, the apparatus 1100 and / or one or more components shown in Fig.11 may include one or more components of the UE described in connection with Fig.2. Additionally, or alternatively, one or more components shown in Fig.11 may be implemented within one or more components described in connection with Fig.2. Additionally, or alternatively, one or more components of the set of components may be implemented at least in part as software stored in one or more memories. For example, a component (or a portion of a component) may be implemented as instructions or code stored in a non-transitory computer-readable medium and executable by one or more controllers or one or more processors to perform the functions or operations of the component. 0097-5220PCT 46
[0188] The reception component 1102 may receive communications, such as reference signals, control information, data communications, or a combination thereof, from the apparatus 1108. The reception component 1102 may provide received communications to one or more other components of the apparatus 1100. In some aspects, the reception component 1102 may perform signal processing on the received communications (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, de-mapping, equalization, interference cancellation, or decoding, among other examples), and may provide the processed signals to the one or more other components of the apparatus 1100. In some aspects, the reception component 1102 may include one or more antennas, one or more modems, one or more demodulators, one or more MIMO detectors, one or more receive processors, one or more controllers / processors, one or more memories, or a combination thereof, of the UE described in connection with Fig.2.
[0189] The transmission component 1104 may transmit communications, such as reference signals, control information, data communications, or a combination thereof, to the apparatus 1108. In some aspects, one or more other components of the apparatus 1100 may generate communications and may provide the generated communications to the transmission component 1104 for transmission to the apparatus 1108. In some aspects, the transmission component 1104 may perform signal processing on the generated communications (such as filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, or encoding, among other examples), and may transmit the processed signals to the apparatus 1108. In some aspects, the transmission component 1104 may include one or more antennas, one or more modems, one or more modulators, one or more transmit MIMO processors, one or more transmit processors, one or more controllers / processors, one or more memories, or a combination thereof, of the UE described in connection with Fig.2. In some aspects, the transmission component 1104 may be co-located with the reception component 1102 in one or more transceivers.
[0190] The communication manager 1106 may support operations of the reception component 1102 and / or the transmission component 1104. For example, the communication manager 1106 may receive information associated with configuring reception of communications by the reception component 1102 and / or transmission of communications by the transmission component 1104. Additionally, or alternatively, the communication manager 1106 may generate and / or provide control information to the reception component 1102 and / or the transmission component 1104 to control reception and / or transmission of communications.
[0191] The communication manager 1106 may perform, in accordance with an SBFD operation, PDCCH skipping based at least in part on a PDCCH monitoring adaptation field, wherein the PDCCH skipping includes skipping PDCCH monitoring for a duration that begins at a beginning of a first slot that is after a last symbol of a PDCCH reception that provides a DCI 0097-5220PCT 47format with the PDCCH monitoring adaptation field, and wherein the PDCCH monitoring adaptation field indicates for the UE to perform the PDCCH skipping for the duration on an active downlink BWP of a serving cell. The communication manager 1106 may detect, within a resource that occurs during the duration, an overlap between a PDCCH monitoring occasion and an uplink transmission by the UE. The transmission component 1104 may transmit the uplink transmission within the resource based at least in part on the overlap between the PDCCH monitoring occasion and the uplink transmission.
[0192] The communication manager 1106 may prioritize the uplink transmission over the PDCCH monitoring occasion based at least in part on detecting the overlap between the PDCCH monitoring occasion and the uplink transmission. The communication manager 1106 may disable one or more collision handling rules associated with collisions between PDCCH monitoring occasions and uplink transmissions based at least in part on detecting the overlap between the PDCCH monitoring occasion and the uplink transmission. The communication manager 1106 may detect, within another resource that occurs during the duration, another PDCCH monitoring occasion that does not overlap with any uplink transmission by the UE. The communication manager 1106 may prioritize the other PDCCH monitoring occasion within the other resource. The reception component 1102 may obtain an indication that the UE is enabled to transmit the uplink transmission in accordance with a skipping indication that indicates for the UE to perform the PDCCH skipping being received in a symbol that is less than an offset from one or more starting symbols of the uplink transmission. The reception component 1102 may receive an indication of the offset based at least in part on a UE capability. The reception component 1102 may obtain an indication of the offset from a configuration of the UE. The reception component 1102 may obtain an indication to use a semi-static SBFD prioritization rule based at least in part on a current SSSG for performing SSSG switching. The communication manager 1106 may apply, in accordance with an application delay that is at least a dedicated quantity of symbols after a last symbol of the PDCCH reception that provides the DCI format with the PDCCH monitoring adaptation field, a collision rule associated with an initial SSSG. The communication manager 1106 may refrain from applying another collision rule associated with a destination SSSG. The transmission component 1104 may transmit, in accordance with performing the PDCCH skipping during the duration, a PUCCH transmission that includes at least one of a SR or a NACK. The communication manager 1106 may identify, after transmitting the PUCCH transmission that includes the SR or the NACK, whether to transmit the uplink transmission within the duration based at least in part on the overlap between the PDCCH monitoring occasion and the uplink transmission.
[0193] The reception component 1102 may obtain an indication to prioritize uplink transmissions over downlink communications within an SBFD resource. The transmission component 1104 may transmit UTO-UCI indicating that the UE is to skip an uplink transmission 0097-5220PCT 48occasion within the SBFD resource. The communication manager 1106 may assign a priority to a downlink communication within the SBFD resource that is a higher than a priority of an uplink transmission associated with the uplink transmission occasion based at least in part on the UTO- UCI.
[0194] The reception component 1102 may receive a downlink communication from a network node within the SBFD resource that includes the uplink transmission occasion. The communication manager 1106 may disable one or more collision handling rules associated with collisions between the uplink transmissions and the downlink communications based at least in part on transmitting the UTO-UCI. The reception component 1102 may obtain an indication that the UE is enabled to receive the downlink communication within the SBFD resource in accordance with the UTO-UCI being transmitted in a symbol that is less than an offset from one or more starting symbols of the downlink communication. The reception component 1102 may receive an indication of the offset based at least in part on a UE capability. The reception component 1102 may obtain an indication of the offset from a configuration of the UE.
[0195] The number and arrangement of components shown in Fig.11 are provided as an example. In practice, there may be additional components, fewer components, different components, or differently arranged components than those shown in Fig.11. Furthermore, two or more components shown in Fig.11 may be implemented within a single component, or a single component shown in Fig.11 may be implemented as multiple, distributed components. Additionally, or alternatively, a set of (one or more) components shown in Fig.11 may perform one or more functions described as being performed by another set of components shown in Fig. 11.
[0196] Fig.12 is a diagram of an example apparatus 1200 for wireless communication, in accordance with the present disclosure. The apparatus 1200 may be a network node, or a network node may include the apparatus 1200. In some aspects, the apparatus 1200 includes a reception component 1202, a transmission component 1204, and / or a communication manager 1206, which may be in communication with one another (for example, via one or more buses and / or one or more other components). In some aspects, the communication manager 1206 is the communication manager 150 described in connection with Fig.1. As shown, the apparatus 1200 may communicate with another apparatus 1208, such as a UE or a network node (such as a CU, a DU, an RU, or a base station), using the reception component 1202 and the transmission component 1204.
[0197] In some aspects, the apparatus 1200 may be configured to perform one or more operations described herein in connection with Figs.5-6. Additionally, or alternatively, the apparatus 1200 may be configured to perform one or more processes described herein, such as process 900 of Fig.9, process 1000 of Fig.10, or a combination thereof. In some aspects, the 0097-5220PCT 49apparatus 1200 and / or one or more components shown in Fig.12 may include one or more components of the network node described in connection with Fig.2. Additionally, or alternatively, one or more components shown in Fig.12 may be implemented within one or more components described in connection with Fig.2. Additionally, or alternatively, one or more components of the set of components may be implemented at least in part as software stored in one or more memories. For example, a component (or a portion of a component) may be implemented as instructions or code stored in a non-transitory computer-readable medium and executable by one or more controllers or one or more processors to perform the functions or operations of the component.
[0198] The reception component 1202 may receive communications, such as reference signals, control information, data communications, or a combination thereof, from the apparatus 1208. The reception component 1202 may provide received communications to one or more other components of the apparatus 1200. In some aspects, the reception component 1202 may perform signal processing on the received communications (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, de-mapping, equalization, interference cancellation, or decoding, among other examples), and may provide the processed signals to the one or more other components of the apparatus 1200. In some aspects, the reception component 1202 may include one or more antennas, one or more modems, one or more demodulators, one or more MIMO detectors, one or more receive processors, one or more controllers / processors, one or more memories, or a combination thereof, of the network node described in connection with Fig.2. In some aspects, the reception component 1202 and / or the transmission component 1204 may include or may be included in a network interface. The network interface may be configured to obtain and / or output signals for the apparatus 1200 via one or more communications links, such as a backhaul link, a midhaul link, and / or a fronthaul link.
[0199] The transmission component 1204 may transmit communications, such as reference signals, control information, data communications, or a combination thereof, to the apparatus 1208. In some aspects, one or more other components of the apparatus 1200 may generate communications and may provide the generated communications to the transmission component 1204 for transmission to the apparatus 1208. In some aspects, the transmission component 1204 may perform signal processing on the generated communications (such as filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, or encoding, among other examples), and may transmit the processed signals to the apparatus 1208. In some aspects, the transmission component 1204 may include one or more antennas, one or more modems, one or more modulators, one or more transmit MIMO processors, one or more transmit processors, one or more controllers / processors, one or more memories, or a combination thereof, of the network node described in connection with Fig.2. In some aspects, the transmission 0097-5220PCT 50component 1204 may be co-located with the reception component 1202 in one or more transceivers.
[0200] The communication manager 1206 may support operations of the reception component 1202 and / or the transmission component 1204. For example, the communication manager 1206 may receive information associated with configuring reception of communications by the reception component 1202 and / or transmission of communications by the transmission component 1204. Additionally, or alternatively, the communication manager 1206 may generate and / or provide control information to the reception component 1202 and / or the transmission component 1204 to control reception and / or transmission of communications.
[0201] The transmission component 1204 may transmit, in accordance with an SBFD operation, a PDCCH skipping indication that is included within a PDCCH monitoring adaptation field, wherein the PDCCH skipping indication indicates for a UE) to skip PDCCH monitoring for a duration that begins at a beginning of a first slot that is after a last symbol of a PDCCH reception that provides a DCI format with the PDCCH monitoring adaptation field, and wherein the PDCCH monitoring adaptation field indicates for the UE to perform the PDCCH skipping for the duration on an active downlink BWP of a serving cell. The reception component 1202 may receive an uplink transmission within a resource that occurs during the duration based at least in part on an overlap between a PDCCH monitoring occasion and the uplink transmission.
[0202] The transmission component 1204 may transmit an indication for the UE to apply a collision rule associated with an initial SSSG based at least in part on an application delay that is at least a dedicated quantity of symbols after a last symbol of the PDCCH reception that provides the DCI format with the PDCCH monitoring adaptation field.
[0203] The reception component 1202 may receive, during the duration, a PUCCH transmission that includes at least one of a SR or a NACK. The reception component 1202 may receive, after receiving the PUCCH transmission that includes the SR or the NACK, the uplink transmission within the duration based at least in part on the overlap between the PDCCH monitoring occasion and the uplink transmission.
[0204] The reception component 1202 may receive UTO-UCI indicating that a UE) is to skip an uplink transmission occasion within an SBFD resource. The transmission component 1204 may transmit a downlink communication within the SBFD resource based at least in part on the UTO-UCI.
[0205] The number and arrangement of components shown in Fig.12 are provided as an example. In practice, there may be additional components, fewer components, different components, or differently arranged components than those shown in Fig.12. Furthermore, two or more components shown in Fig.12 may be implemented within a single component, or a single component shown in Fig.12 may be implemented as multiple, distributed components. 0097-5220PCT 51Additionally, or alternatively, a set of (one or more) components shown in Fig.12 may perform one or more functions described as being performed by another set of components shown in Fig. 12.
[0206] The following provides an overview of some Aspects of the present disclosure:
[0207] Aspect 1: A method of wireless communication performed by a user equipment (UE), comprising: performing, in accordance with a sub-band full-duplex (SBFD) operation, physical downlink control channel (PDCCH) skipping based at least in part on a PDCCH monitoring adaptation field, wherein the PDCCH skipping includes skipping PDCCH monitoring for a duration that begins at a beginning of a first slot that is after a last symbol of a PDCCH reception that provides a DCI format with the PDCCH monitoring adaptation field, and wherein the PDCCH monitoring adaptation field indicates for the UE to perform the PDCCH skipping for the duration on an active downlink bandwidth-part (BWP) of a serving cell; detecting, within a resource that occurs during the duration, an overlap between a PDCCH monitoring occasion and an uplink transmission by the UE; and transmitting the uplink transmission within the resource based at least in part on the overlap between the PDCCH monitoring occasion and the uplink transmission.
[0208] Aspect 2: The method of Aspect 1, further comprising prioritizing the uplink transmission over the PDCCH monitoring occasion based at least in part on detecting the overlap between the PDCCH monitoring occasion and the uplink transmission.
[0209] Aspect 3: The method of any of Aspects 1-2, further comprising disabling one or more collision handling rules associated with collisions between PDCCH monitoring occasions and uplink transmissions based at least in part on detecting the overlap between the PDCCH monitoring occasion and the uplink transmission.
[0210] Aspect 4: The method of any of Aspects 1-3, further comprising: detecting, within another resource that occurs during the duration, another PDCCH monitoring occasion that does not overlap with any uplink transmission by the UE; and prioritizing the other PDCCH monitoring occasion within the other resource.
[0211] Aspect 5: The method of any of Aspects 1-4, wherein transmitting the uplink transmission within the resource comprises performing a physical uplink control channel transmission, a physical uplink shared channel transmission, or a sounding reference signal transmission in one or more uplink sub-bands of an SBFD slot.
[0212] Aspect 6: The method of any of Aspects 1-5, further comprising obtaining an indication that the UE is enabled to transmit the uplink transmission in accordance with a skipping indication that indicates for the UE to perform the PDCCH skipping being received in a symbol that is less than an offset from one or more starting symbols of the uplink transmission. 0097-5220PCT 52
[0213] Aspect 7: The method of Aspect 6, wherein performing the PDCCH skipping comprises performing the PDCCH skipping in accordance with the skipping indication being received in the symbol that is less than the offset from one or more starting symbols of the uplink transmission.
[0214] Aspect 8: The method of Aspect 6, wherein the offset is based at least in part on a physical uplink shared channel preparation time.
[0215] Aspect 9: The method of Aspect 6, further comprising receiving an indication of the offset based at least in part on a UE capability.
[0216] Aspect 10: The method of Aspect 6, further comprising obtaining an indication of the offset from a configuration of the UE.
[0217] Aspect 11: The method of any of Aspects 1-10, further comprising: obtaining an indication to use a semi-static SBFD prioritization rule based at least in part on a current search space set group (SSSG) for performing SSSG switching; and applying, in accordance with an application delay that is at least a dedicated quantity of symbols after a last symbol of the PDCCH reception that provides the DCI format with the PDCCH monitoring adaptation field, a collision rule associated with an initial SSSG.
[0218] Aspect 12: The method of Aspect 11, further comprising refraining from applying another collision rule associated with a destination SSSG.
[0219] Aspect 13: The method of any of Aspects 1-12, further comprising: transmitting, in accordance with performing the PDCCH skipping during the duration, a PUCCH transmission that includes at least one of a scheduling request (SR) or a negative acknowledgement (NACK); and identifying, after transmitting the PUCCH transmission that includes the SR or the NACK, whether to transmit the uplink transmission within the duration based at least in part on the overlap between the PDCCH monitoring occasion and the uplink transmission.
[0220] Aspect 14: The method of Aspect 13, wherein identifying whether to transmit the uplink transmission within the duration comprises identifying whether to perform a physical uplink control channel transmission, a physical uplink shared channel transmission, or a sounding reference signal transmission within one or more SBFD slots starting from an end of a symbol carrying the SR or the NACK.
[0221] Aspect 15: The method of any of Aspects 1-14, wherein transmitting the uplink transmission comprises transmitting the uplink transmission to a network node using a half- duplex operation.
[0222] Aspect 16: A method of wireless communication performed by a user equipment (UE), comprising: obtaining an indication to prioritize uplink transmissions over downlink communications within a sub-band full-duplex (SBFD) resource; transmitting unused transmission occasion (UTO) uplink control information (UTO-UCI) indicating that the UE is to skip an uplink transmission occasion within the SBFD resource; and assigning a priority to a 0097-5220PCT 53downlink communication within the SBFD resource that is a higher than a priority of an uplink transmission associated with the uplink transmission occasion based at least in part on the UTO- UCI.
[0223] Aspect 17: The method of Aspect 16, wherein the uplink transmission is a sounding reference signal transmission, a physical uplink control channel transmission, or a physical uplink shared channel transmission, and wherein the downlink communication is a channel state information reference signal reception or a physical downlink shared channel reception.
[0224] Aspect 18: The method of any of Aspects 16-17, further comprising receiving a downlink communication from a network node within the SBFD resource that includes the uplink transmission occasion.
[0225] Aspect 19: The method of any of Aspects 16-18, further comprising disabling one or more collision handling rules associated with collisions between the uplink transmissions and the downlink communications based at least in part on transmitting the UTO-UCI.
[0226] Aspect 20: The method of any of Aspects 16-19, further comprising obtaining an indication that the UE is enabled to receive the downlink communication within the SBFD resource in accordance with the UTO-UCI being transmitted in a symbol that is less than an offset from one or more starting symbols of the downlink communication.
[0227] Aspect 21: The method of Aspect 20, wherein receiving the downlink communication comprises receiving the downlink communication in accordance with the UTO-UCI being transmitted in a symbol that is less than the offset from the one or more starting symbols of the downlink communication.
[0228] Aspect 22: The method of Aspect 20, wherein the offset is based at least in part on a physical uplink shared channel preparation time.
[0229] Aspect 23: The method of Aspect 20, further comprising receiving an indication of the offset based at least in part on a UE capability.
[0230] Aspect 24: The method of Aspect 20, further comprising obtaining an indication of the offset from a configuration of the UE.
[0231] Aspect 25: The method of any of Aspects 16-24, wherein transmitting the UTO-UCI comprises transmitting the UTO-UCI to a network node using a half-duplex operation.
[0232] Aspect 26: A method of wireless communication performed by a network node, comprising: transmitting, in accordance with a sub-band full-duplex (SBFD) operation, a physical downlink control channel (PDCCH) skipping indication that is included within a PDCCH monitoring adaptation field, wherein the PDCCH skipping indication indicates for a user equipment (UE) to skip PDCCH monitoring for a duration that begins at a beginning of a first slot that is after a last symbol of a PDCCH reception that provides a DCI format with the PDCCH monitoring adaptation field, and wherein the PDCCH monitoring adaptation field indicates for the 0097-5220PCT 54UE to perform the PDCCH skipping for the duration on an active downlink bandwidth-part (BWP) of a serving cell; and receiving an uplink transmission within a resource that occurs during the duration based at least in part on an overlap between a PDCCH monitoring occasion and the uplink transmission.
[0233] Aspect 27: The method of Aspect 26, wherein the PDCCH skipping indication indicates for the UE to prioritize the uplink transmission over the PDCCH monitoring occasion based at least in part on the overlap between the PDCCH monitoring occasion and the uplink transmission.
[0234] Aspect 28: The method of any of Aspects 26-27, wherein the PDCCH skipping indication indicates for the UE to disable one or more collision handling rules associated with collisions between PDCCH monitoring occasions and uplink transmissions based at least in part on the overlap between the PDCCH monitoring occasion and the uplink transmission.
[0235] Aspect 29: The method of any of Aspects 26-28, wherein the PDCCH skipping indication indicates for the UE to prioritize the uplink transmission over the PDCCH monitoring occasion based at least in part on the PDCCH monitoring occasion not overlapping with the uplink transmission.
[0236] Aspect 30: The method of any of Aspects 26-29, wherein receiving the uplink transmission within the resource comprises receiving a physical uplink control channel transmission, a physical uplink shared channel transmission, or a sounding reference signal transmission in one or more uplink sub-bands of an SBFD slot.
[0237] Aspect 31: The method of any of Aspects 26-30, wherein the PDCCH skipping indication indicates for the UE to perform the uplink transmission in accordance with receiving the PDCCH skipping indication in a symbol that is less than an offset from one or more starting symbols of the uplink transmission.
[0238] Aspect 32: The method of Aspect 31, wherein the offset is based at least in part on a physical uplink shared channel preparation time.
[0239] Aspect 33: The method of any of Aspects 26-32, further comprising transmitting an indication for the UE to apply a collision rule associated with an initial search space set group (SSSG) based at least in part on an application delay that is at least a dedicated quantity of symbols after a last symbol of the PDCCH reception that provides the DCI format with the PDCCH monitoring adaptation field.
[0240] Aspect 34: The method of any of Aspects 26-33, further comprising: receiving, during the duration, a PUCCH transmission that includes at least one of a scheduling request (SR) or a negative acknowledgement (NACK); and receiving, after receiving the PUCCH transmission that includes the SR or the NACK, the uplink transmission within the duration based at least in part on the overlap between the PDCCH monitoring occasion and the uplink transmission. 0097-5220PCT 55
[0241] Aspect 35: A method of wireless communication performed by a network node, comprising: receiving unused transmission occasion (UTO) uplink control information (UTO- UCI) indicating that a user equipment (UE) is to skip an uplink transmission occasion within a sub-band full-duplex (SBFD) resource; and transmitting a downlink communication within the SBFD resource based at least in part on the UTO-UCI.
[0242] Aspect 36: The method of Aspect 35, wherein the downlink communication within the SBFD resource is assigned a higher priority than a priority of an uplink transmission associated with the uplink transmission occasion indicated by the UTO-UCI.
[0243] Aspect 37: The method of any of Aspects 35-36, wherein one or more collision handling rules associated with collisions between the uplink transmissions and the downlink communications are disabled based at least in part on the UTO-UCI.
[0244] Aspect 38: The method of any of Aspects 35-37, wherein transmitting the downlink communication within the SBFD resource comprises transmitting the downlink communication within the SBFD resource in accordance with receiving the UTO-UCI in a symbol that is than an offset from one or more starting symbols of the downlink communication.
[0245] Aspect 39: The method of Aspect 38, wherein the offset is based at least in part on a physical uplink shared channel preparation time.
[0246] Aspect 40: An apparatus for wireless communication at a device, the apparatus comprising one or more processors; one or more memories coupled with the one or more processors; and instructions stored in the one or more memories and executable by the one or more processors to cause the apparatus to perform the method of one or more of Aspects 1-39.
[0247] Aspect 41: An apparatus for wireless communication at a device, the apparatus comprising one or more memories and one or more processors coupled to the one or more memories, the one or more processors configured to cause the device to perform the method of one or more of Aspects 1-39.
[0248] Aspect 42: An apparatus for wireless communication, the apparatus comprising at least one means for performing the method of one or more of Aspects 1-39.
[0249] Aspect 43: A non-transitory computer-readable medium storing code for wireless communication, the code comprising instructions executable by one or more processors to perform the method of one or more of Aspects 1-39.
[0250] Aspect 44: A non-transitory computer-readable medium storing a set of instructions for wireless communication, the set of instructions comprising one or more instructions that, when executed by one or more processors of a device, cause the device to perform the method of one or more of Aspects 1-39.
[0251] Aspect 45: A device for wireless communication, the device comprising a processing system that includes one or more processors and one or more memories coupled with the one or 0097-5220PCT 56more processors, the processing system configured to cause the device to perform the method of one or more of Aspects 1-39.
[0252] Aspect 46: An apparatus for wireless communication at a device, the apparatus comprising one or more memories and one or more processors coupled to the one or more memories, the one or more processors individually or collectively configured to cause the device to perform the method of one or more of Aspects 1-39.
[0253] The foregoing disclosure provides illustration and description but is not intended to be exhaustive or to limit the aspects to the precise forms disclosed. Modifications and variations may be made in light of the above disclosure or may be acquired from practice of the aspects.
[0254] As used herein, the term “component” is intended to be broadly construed as hardware or a combination of hardware and at least one of software or firmware. “Software” shall be construed broadly to mean instructions, instruction sets, code, code segments, program code, programs, subprograms, software modules, applications, software applications, software packages, routines, subroutines, objects, executables, threads of execution, procedures, or functions, among other examples, whether referred to as software, firmware, middleware, microcode, hardware description language, or otherwise. As used herein, a “processor” is implemented in hardware or a combination of hardware and software. It will be apparent that systems or methods described herein may be implemented in different forms of hardware or a combination of hardware and software. The actual specialized control hardware or software code used to implement these systems or methods is not limiting of the aspects. Thus, the operation and behavior of the systems or methods are described herein without reference to specific software code, because those skilled in the art will understand that software and hardware can be designed to implement the systems or methods based, at least in part, on the description herein. A component being configured to perform a function means that the component has a capability to perform the function, and does not require the function to be actually performed by the component, unless noted otherwise.
[0255] As used herein, “satisfying a threshold” may, depending on the context, refer to a value being greater than the threshold, greater than or equal to the threshold, less than the threshold, less than or equal to the threshold, equal to the threshold, or not equal to the threshold, among other examples.
[0256] As used herein, a phrase referring to “at least one of” a list of items refers to any combination of those items, including single members. As an example, “at least one of: a, b, or c” is intended to cover a, b, c, a + b, a + c, b + c, and a + b + c, as well as any combination with multiples of the same element (for example, a + a, a + a + a, a + a + b, a + a + c, a + b + b, a + c + c, b + b, b + b + b, b + b + c, c + c, and c + c + c, or any other ordering of a, b, and c). 0097-5220PCT 57
[0257] No element, act, or instruction used herein should be construed as critical or essential unless explicitly described as such. Also, as used herein, the articles “a” and “an” are intended to include one or more items and may be used interchangeably with “one or more.” Further, as used herein, the article “the” is intended to include one or more items referenced in connection with the article “the” and may be used interchangeably with “the one or more.” Furthermore, as used herein, the terms “set” and “group” are intended to include one or more items and may be used interchangeably with “one or more.” Where only one item is intended, the phrase “only one” or similar language is used. Also, as used herein, the terms “has,” “have,” “having,” and similar terms are intended to be open-ended terms that do not limit an element that they modify (for example, an element “having” A may also have B). Further, the phrase “based on” is intended to mean “based on or otherwise in association with” unless explicitly stated otherwise. Also, as used herein, the term “or” is intended to be inclusive when used in a series and may be used interchangeably with “and / or,” unless explicitly stated otherwise (for example, if used in combination with “either” or “only one of”). It should be understood that “one or more” is equivalent to “at least one.”
[0258] Even though particular combinations of features are recited in the claims or disclosed in the specification, these combinations are not intended to limit the disclosure of various aspects. Many of these features may be combined in ways not specifically recited in the claims or disclosed in the specification. The disclosure of various aspects includes each dependent claim in combination with every other claim in the claim set. 0097-5220PCT 58
Claims
WHAT IS CLAIMED IS:
1. An apparatus for wireless communication at a user equipment (UE), comprising: one or more memories; and one or more processors, coupled to the one or more memories, configured to cause the UE to: perform, in accordance with a sub-band full-duplex (SBFD) operation, physical downlink control channel (PDCCH) skipping based at least in part on a PDCCH monitoring adaptation field, wherein the PDCCH skipping includes skipping PDCCH monitoring for a duration that begins at a beginning of a first slot that is after a last symbol of a PDCCH reception that provides a downlink control information (DCI) format with the PDCCH monitoring adaptation field, and wherein the PDCCH monitoring adaptation field indicates for the UE to perform the PDCCH skipping for the duration on an active downlink bandwidth-part (BWP) of a serving cell; detect, within a resource that occurs during the duration, an overlap between a PDCCH monitoring occasion and an uplink transmission by the UE; and transmit the uplink transmission within the resource based at least in part on the overlap between the PDCCH monitoring occasion and the uplink transmission.
2. The apparatus of claim 1, wherein the one or more processors are further configured to cause the UE to prioritize the uplink transmission over the PDCCH monitoring occasion based at least in part on detecting the overlap between the PDCCH monitoring occasion and the uplink transmission.
3. The apparatus of claim 1, wherein the one or more processors are further configured to cause the UE to disable one or more collision handling rules associated with collisions between PDCCH monitoring occasions and uplink transmissions based at least in part on detecting the overlap between the PDCCH monitoring occasion and the uplink transmission.
4. The apparatus of claim 1, wherein the one or more processors are further configured to cause the UE to: detect, within another resource that occurs during the duration, another PDCCH monitoring occasion that does not overlap with any uplink transmission by the UE; and prioritize the other PDCCH monitoring occasion within the other resource.
5. The apparatus of claim 1, wherein the one or more processors, to cause the UE to transmit the uplink transmission within the resource, are configured to cause the UE to perform a physical 0097-5220PCT 59uplink control channel transmission, a physical uplink shared channel transmission, or a sounding reference signal transmission in one or more uplink sub-bands of an SBFD slot.
6. The apparatus of claim 1, wherein the one or more processors are further configured to cause the UE to obtain an indication that the UE is enabled to transmit the uplink transmission in accordance with a skipping indication that indicates for the UE to perform the PDCCH skipping being received in a symbol that is less than an offset from one or more starting symbols of the uplink transmission.
7. The apparatus of claim 6, wherein the one or more processors, to cause the UE to perform the PDCCH skipping, are configured to cause the UE to perform the PDCCH skipping in accordance with the skipping indication being received in the symbol that is less than the offset from one or more starting symbols of the uplink transmission.
8. The apparatus of claim 6, wherein the offset is based at least in part on a physical uplink shared channel preparation time.
9. The apparatus of claim 1, wherein the one or more processors are further configured to cause the UE to: obtain an indication to use a semi-static SBFD prioritization rule based at least in part on a current search space set group (SSSG) for performing SSSG switching; and apply, in accordance with an application delay that is at least a dedicated quantity of symbols after a last symbol of the PDCCH reception that provides the DCI format with the PDCCH monitoring adaptation field, a collision rule associated with an initial SSSG.
10. The apparatus of claim 9, wherein the one or more processors are further configured to cause the UE to refrain from applying another collision rule associated with a destination SSSG.
11. The apparatus of claim 1, wherein the one or more processors are further configured to cause the UE to: transmit, in accordance with performing the PDCCH skipping during the duration, a PUCCH transmission that includes at least one of a scheduling request (SR) or a negative acknowledgement (NACK); and identify, after transmitting the PUCCH transmission that includes the SR or the NACK, whether to transmit the uplink transmission within the duration based at least in part on the overlap between the PDCCH monitoring occasion and the uplink transmission. 0097-5220PCT 6012. The apparatus of claim 11, wherein the one or more processors, to cause the UE to identify whether to transmit the uplink transmission within the duration, are configured to cause the UE to identify whether to perform a physical uplink control channel transmission, a physical uplink shared channel transmission, or a sounding reference signal transmission within one or more SBFD slots starting from an end of a symbol carrying the SR or the NACK.
13. An apparatus for wireless communication at a user equipment (UE), comprising: one or more memories; and one or more processors, coupled to the one or more memories, configured to cause the UE to: obtain an indication to prioritize uplink transmissions over downlink communications within a sub-band full-duplex (SBFD) resource; transmit unused transmission occasion (UTO) uplink control information (UTO- UCI) indicating that the UE is to skip an uplink transmission occasion within the SBFD resource; and assign a priority to a downlink communication within the SBFD resource that is a higher than a priority of an uplink transmission associated with the uplink transmission occasion based at least in part on the UTO-UCI.
14. The apparatus of claim 13, wherein the uplink transmission is a sounding reference signal transmission, a physical uplink control channel transmission, or a physical uplink shared channel transmission, and wherein the downlink communication is a channel state information reference signal reception or a physical downlink shared channel reception.
15. The apparatus of claim 13, wherein the one or more processors are further configured to cause the UE to receive a downlink communication from a network node within the SBFD resource that includes the uplink transmission occasion.
16. The apparatus of claim 13, wherein the one or more processors are further configured to cause the UE to disable one or more collision handling rules associated with collisions between the uplink transmissions and the downlink communications based at least in part on transmitting the UTO-UCI.
17. The apparatus of claim 13, wherein the one or more processors are further configured to cause the UE to obtain an indication that the UE is enabled to receive the downlink communication within the SBFD resource in accordance with the UTO-UCI being transmitted in 0097-5220PCT 61a symbol that is less than an offset from one or more starting symbols of the downlink communication.
18. The apparatus of claim 17, wherein the one or more processors, to cause the UE to receive the downlink communication, are configured to cause the UE to receive the downlink communication in accordance with the UTO-UCI being transmitted in a symbol that is less than the offset from the one or more starting symbols of the downlink communication.
19. The apparatus of claim 17, wherein the offset is based at least in part on a physical uplink shared channel preparation time.
20. An apparatus for wireless communication at a network node, comprising: one or more memories; and one or more processors, coupled to the one or more memories, configured to cause the network node to: transmit, in accordance with a sub-band full-duplex (SBFD) operation, a physical downlink control channel (PDCCH) skipping indication that is included within a PDCCH monitoring adaptation field, wherein the PDCCH skipping indication indicates for a user equipment (UE) to skip PDCCH monitoring for a duration that begins at a beginning of a first slot that is after a last symbol of a PDCCH reception that provides a downlink control information (DCI) format with the PDCCH monitoring adaptation field, and wherein the PDCCH monitoring adaptation field indicates for the UE to perform the PDCCH skipping for the duration on an active downlink bandwidth-part (BWP) of a serving cell; and receive an uplink transmission within a resource that occurs during the duration based at least in part on an overlap between a PDCCH monitoring occasion and the uplink transmission.
21. The apparatus of claim 20, wherein the PDCCH skipping indication indicates for the UE to prioritize the uplink transmission over the PDCCH monitoring occasion based at least in part on the overlap between the PDCCH monitoring occasion and the uplink transmission.
22. The apparatus of claim 20, wherein the PDCCH skipping indication indicates for the UE to disable one or more collision handling rules associated with collisions between PDCCH monitoring occasions and uplink transmissions based at least in part on the overlap between the PDCCH monitoring occasion and the uplink transmission. 0097-5220PCT 6223. The apparatus of claim 20, wherein the PDCCH skipping indication indicates for the UE to prioritize the uplink transmission over the PDCCH monitoring occasion based at least in part on the PDCCH monitoring occasion not overlapping with the uplink transmission.
24. The apparatus of claim 20, wherein the PDCCH skipping indication indicates for the UE to perform the uplink transmission in accordance with receiving the PDCCH skipping indication in a symbol that is less than an offset from one or more starting symbols of the uplink transmission.
25. The apparatus of claim 20, wherein the one or more processors are further configured to cause the network node to transmit an indication for the UE to apply a collision rule associated with an initial search space set group (SSSG) based at least in part on an application delay that is at least a dedicated quantity of symbols after a last symbol of the PDCCH reception that provides the DCI format with the PDCCH monitoring adaptation field.
26. The apparatus of claim 20, wherein the one or more processors are further configured to cause the network node to: receive, during the duration, a PUCCH transmission that includes at least one of a scheduling request (SR) or a negative acknowledgement (NACK); and receive, after receiving the PUCCH transmission that includes the SR or the NACK, the uplink transmission within the duration based at least in part on the overlap between the PDCCH monitoring occasion and the uplink transmission.
27. An apparatus for wireless communication at a network node, comprising: one or more memories; and one or more processors, coupled to the one or more memories, configured to cause the network node to: receive unused transmission occasion (UTO) uplink control information (UTO- UCI) indicating that a user equipment (UE) is to skip an uplink transmission occasion within a sub-band full-duplex (SBFD) resource; and transmit a downlink communication within the SBFD resource based at least in part on the UTO-UCI.
28. The apparatus of claim 27, wherein the downlink communication within the SBFD resource is assigned a higher priority than a priority of an uplink transmission associated with the uplink transmission occasion indicated by the UTO-UCI. 0097-5220PCT 6329. The apparatus of claim 27, wherein one or more collision handling rules associated with collisions between the uplink transmissions and the downlink communications are disabled based at least in part on the UTO-UCI.
30. The apparatus of claim 27, wherein the one or more processors, to cause the network node to transmit the downlink communication within the SBFD resource, are configured to cause the network node to transmit the downlink communication within the SBFD resource in accordance with receiving the UTO-UCI in a symbol that is than an offset from one or more starting symbols of the downlink communication. 0097-5220PCT 64