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WO2025208548A1 - Ressources de signal de référence d'informations d'état de canal virtuel - Google Patents

Ressources de signal de référence d'informations d'état de canal virtuel

Info

Publication number
WO2025208548A1
WO2025208548A1 PCT/CN2024/086140 CN2024086140W WO2025208548A1 WO 2025208548 A1 WO2025208548 A1 WO 2025208548A1 CN 2024086140 W CN2024086140 W CN 2024086140W WO 2025208548 A1 WO2025208548 A1 WO 2025208548A1
Authority
WO
WIPO (PCT)
Prior art keywords
csi
resources
maximum number
resource
network node
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2024/086140
Other languages
English (en)
Inventor
Shahrukh Khan KASI
Jing Dai
Lei Xiao
Yi Huang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Priority to PCT/CN2024/086140 priority Critical patent/WO2025208548A1/fr
Publication of WO2025208548A1 publication Critical patent/WO2025208548A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver

Definitions

  • aspects of the present disclosure generally relate to wireless communication and specifically relate to techniques, apparatuses, and methods for configuring and using virtual channel state information –reference signal resources.
  • 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) .
  • RATs radio access technologies
  • 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.
  • CDMA code division multiple access
  • TDMA time division multiple access
  • FDMA frequency division multiple access
  • OFDMA orthogonal frequency division multiple access
  • SC-FDMA single-carrier frequency division multiple access
  • TD-SCDMA time division synchronous code division multiple access
  • NR New Radio
  • 5G New Radio
  • 3GPP Third Generation Partnership Project
  • 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.
  • IoT Internet of things
  • mmWave millimeter wave
  • NTN non-terrestrial network
  • CV2X massive multiple-input multiple-output
  • MIMO massive multiple-input multiple-output
  • disaggregated network architectures and network topology expansions multiple-subscriber implementations
  • RF radio frequency
  • the method may include receiving a capability enquiry.
  • the method may include transmitting, in response to the capability enquiry, a capability message that includes a variable indicating a maximum number of channel state information –reference signal (CSI-RS) processes, wherein the variable indicates whether the UE is configured for reporting up to one CSI-RS resource indicator (CRI) or generating multi-CRI reports.
  • CSI-RS channel state information –reference signal
  • the method may include transmitting a capability enquiry.
  • the method may include receiving, in response to the capability enquiry, a capability message that includes a variable indicating a maximum number of CSI-RS processes, wherein the variable indicates whether a UE is configured for reporting up to one CRI or generating multi-CRI reports.
  • the method may include receiving a set of configurations for a set of CSI-RS resources.
  • the method may include receiving a configuration for a virtual CSI-RS resource, wherein the virtual CSI-RS resource is formed from two or more CSI-RS resources in the set of CSI-RS resources.
  • the method may include transmitting a report generated using a measurement of the virtual CSI-RS resource.
  • the method may include transmitting a set of configurations for a set of CSI-RS resources.
  • the method may include transmitting a configuration for a virtual CSI-RS resource, wherein the virtual CSI-RS resource is formed from two or more CSI-RS resources in the set of CSI-RS resources.
  • the method may include receiving a report indicating at least one measurement of the virtual CSI-RS resource.
  • the apparatus may include one or more memories and one or more processors coupled to the one or more memories.
  • the one or more processors may be individually or collectively configured to cause the UE to receive a set of configurations for a set of CSI-RS resources.
  • the one or more processors may be individually or collectively configured to cause the UE to receive a configuration for a virtual CSI-RS resource, wherein the virtual CSI-RS resource is formed from two or more CSI-RS resources in the set of CSI-RS resources.
  • the one or more processors may be individually or collectively configured to cause the UE to transmit a report generated using a measurement of the virtual CSI-RS resource.
  • the apparatus may include one or more memories and one or more processors coupled to the one or more memories.
  • the one or more processors may be individually or collectively configured to cause the network node to transmit a set of configurations for a set of CSI-RS resources.
  • the one or more processors may be individually or collectively configured to cause the network node to transmit a configuration for a virtual CSI-RS resource, wherein the virtual CSI-RS resource is formed from two or more CSI-RS resources in the set of CSI-RS resources.
  • the one or more processors may be individually or collectively configured to cause the network node to receive a report indicating at least one measurement of the virtual CSI-RS resource.
  • Some aspects described herein relate to a non-transitory computer-readable medium that stores a set of instructions for wireless communication by a network node.
  • the set of instructions when executed by one or more processors of the network node, may cause the network node to transmit a capability enquiry.
  • the set of instructions when executed by one or more processors of the network node, may cause the network node to receive, in response to the capability enquiry, a capability message that includes a variable indicating a maximum number of CSI-RS processes, wherein the variable indicates whether a UE is configured for reporting up to one CRI or generating multi-CRI reports.
  • Some aspects described herein relate to a non-transitory computer-readable medium that stores a set of instructions for wireless communication by a UE.
  • the set of instructions when executed by one or more processors of the UE, may cause the UE to receive a set of configurations for a set of CSI-RS resources.
  • the set of instructions when executed by one or more processors of the UE, may cause the UE to receive a configuration for a virtual CSI-RS resource, wherein the virtual CSI-RS resource is formed from two or more CSI-RS resources in the set of CSI-RS resources.
  • the set of instructions when executed by one or more processors of the UE, may cause the UE to transmit a report generated using a measurement of the virtual CSI-RS resource.
  • Some aspects described herein relate to a non-transitory computer-readable medium that stores a set of instructions for wireless communication by a network node.
  • the set of instructions when executed by one or more processors of the network node, may cause the network node to transmit a set of configurations for a set of CSI-RS resources.
  • the set of instructions when executed by one or more processors of the network node, may cause the network node to transmit a configuration for a virtual CSI-RS resource, wherein the virtual CSI-RS resource is formed from two or more CSI-RS resources in the set of CSI-RS resources.
  • the set of instructions when executed by one or more processors of the network node, may cause the network node to receive a report indicating at least one measurement of the virtual CSI-RS resource.
  • the apparatus may include means for receiving a capability enquiry.
  • the apparatus may include means for transmitting, in response to the capability enquiry, a capability message that includes a variable indicating a maximum number of CSI-RS processes, wherein the variable indicates whether the apparatus is configured for reporting up to one CRI or generating multi-CRI reports.
  • the apparatus may include means for transmitting a capability enquiry.
  • the apparatus may include means for receiving, in response to the capability enquiry, a capability message that includes a variable indicating a maximum number of CSI-RS processes, wherein the variable indicates whether a UE is configured for reporting up to one CRI or generating multi-CRI reports.
  • the apparatus may include means for receiving a set of configurations for a set of CSI-RS resources.
  • the apparatus may include means for receiving a configuration for a virtual CSI-RS resource, wherein the virtual CSI-RS resource is formed from two or more CSI-RS resources in the set of CSI-RS resources.
  • the apparatus may include means for transmitting a report generated using a measurement of the virtual CSI-RS resource.
  • the apparatus may include means for transmitting a set of configurations for a set of CSI-RS resources.
  • the apparatus may include means for transmitting a configuration for a virtual CSI-RS resource, wherein the virtual CSI-RS resource is formed from two or more CSI-RS resources in the set of CSI-RS resources.
  • the apparatus may include means for receiving a report indicating at least one measurement of the virtual CSI-RS resource.
  • Fig. 2 is a diagram illustrating an example network node in communication with an example user equipment in a wireless network in accordance with the present disclosure.
  • Fig. 3 is a diagram illustrating an example disaggregated base station architecture in accordance with the present disclosure.
  • Fig. 4 is a diagram illustrating an example associated with reporting virtual channel state information –reference signal (CSI-RS) capability, in accordance with the present disclosure.
  • CSI-RS virtual channel state information –reference signal
  • Fig. 5 is a diagram illustrating an example associated with configuring and using virtual CSI-RS resources, in accordance with the present disclosure.
  • Figs. 6 and 7 are diagrams illustrating example processes associated with reporting virtual CSI-RS capability, in accordance with the present disclosure.
  • Figs. 8 and 9 are diagrams illustrating example processes associated with configuring and using virtual CSI-RS resources, in accordance with the present disclosure.
  • Figs. 10 and 11 are diagrams of example apparatuses for wireless communication in accordance with the present disclosure.
  • a network may configure a user equipment (UE) to measure channel state information –reference signals (CSI-RSs) .
  • the network may configure the UE to measure multiple CSI-RS resources and to report a CSI-RS resource indicator (CRI) associated with a strongest of the CSI-RS resources.
  • the UE may additionally report a rank indicator (RI) , a channel quality indicator (CQI) , and/or a precoding matrix indicator (PMI) , among other examples, with the CRI.
  • the network may configure a non-CRI report from the UE (e.g., reporting information associated with a CSI-RS resource or aggregated CSI-RS resources without reporting a CRI) .
  • the network may configure the UE for a multi-CRI report. For example, the network may configure the UE to measure a set of CSI-RS resources and to report multiple CRIs associated with a subset, of the set of CSI-RS resources, that are strongest. The UE may additionally report, for each CRI, an RI, a CQI, and/or a PMI, among other examples, associated with the CRI.
  • the networks may configure even more CSI-RS resources for measurement.
  • port may be defined such that a channel, over which a symbol on the port is conveyed, can be inferred from a channel over which another symbol on the same port is conveyed.
  • the network for example, may use up to an aggregate of 128 ports across multiple CSI-RS resources.
  • computational complexity may be greater for multi-CRI reports using a large number of ports as compared with computational complexity for non-CRI reports using the same number of ports.
  • the described techniques can be used to configure CSI-RS reports that are within computational abilities of the UE. As a result, the UE may provide accurate CSI-RS reports, which the network may use to increase quality, reliability, and/or throughput. Additionally, or alternatively, because a UE reports a maximum number of CSI-RS reports, the described techniques can be used to configure CSI-RS reports that are within computational abilities of the UE. As a result, the UE may provide accurate CSI-RS reports, which the network may use to increase quality, reliability, and/or throughput.
  • Various aspects relate generally to a network configuring a virtual CSI-RS resource that is formed from two or more (already-configured) CSI-RS resources. Some aspects more specifically relate to counting a virtual CSI-RS resource as multiple CSI-RS resources for determining occupied CSI processing units (CPUs) . Additionally, or alternatively, some aspects more specifically relate to increasing a timeline for CSI processing for a virtual CSI-RS resource.
  • 5G New Radio is part of a continuous mobile broadband evolution promulgated by the Third Generation Partnership Project (3GPP) .
  • 3GPP Third Generation Partnership Project
  • 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) .
  • eMBB enhanced mobile broadband
  • URLLC ultra-reliable low-latency communication
  • mMTC massive machine-type communication
  • mmWave millimeter wave
  • beamforming network slicing
  • edge computing Internet of Things (IoT) connectivity and management
  • NFV network function virtualization
  • 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.
  • 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.
  • multiple wireless networks 100 may be deployed in a given geographic area.
  • Each wireless communication network 100 may support a particular 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.
  • RATs include a 4G RAT, a 5G/NR RAT, and/or a 6G RAT, among other examples.
  • each RAT in the geographic area may operate on different frequencies to avoid interference with one another.
  • FR2 is often referred to (interchangeably) as a “millimeter wave” band in some documents 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.
  • EHF extremely high frequency
  • ITU International Telecommunications Union
  • 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.
  • sub-6 GHz may broadly refer to frequencies that are less than 6 GHz, that are within FR1, and/or that are included in mid-band frequencies.
  • 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.
  • each of FR4a, FR4-1, FR4, and FR5 falls within the EHF band.
  • 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.
  • DSS dynamic spectrum sharing
  • multiple RATs for example, 4G/LTE and 5G/NR
  • dynamic bandwidth allocation for example, based on user demand
  • 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) .
  • RAN radio access network
  • 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) .
  • 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.
  • 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.
  • 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 facilitate communication between a UE 120 and a core network of the wireless communication network 100.
  • 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.
  • a disaggregated network node may have a disaggregated architecture.
  • 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.
  • IAB integrated access and backhaul
  • O-RAN open radio access network
  • vRAN virtualized radio access network
  • C-RAN cloud radio access network
  • 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 radio resource control (RRC) functions, packet data convergence protocol (PDCP) functions, and/or service data adaptation protocol (SDAP) functions, among other examples.
  • RRC radio resource control
  • PDCP packet data convergence protocol
  • SDAP service data adaptation protocol
  • 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.
  • RLC radio link control
  • MAC medium access control
  • PHY physical
  • 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.
  • each RU can be operated to handle over the air (OTA) communication with one or more UEs 120.
  • OTA over the air
  • 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.
  • 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.
  • Some network nodes 110 may provide communication coverage for a particular geographic area.
  • the term “cell” can refer to 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.
  • 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.
  • a cell may not necessarily be stationary.
  • 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 an NTN network node) .
  • an associated mobile network node 110 for example, a train, a satellite base station, an unmanned aerial vehicle, or an NTN network node
  • 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.
  • 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
  • the network node 110c may be a femto network node for a femto cell 130c.
  • 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.
  • macro network nodes may have a high transmit power level (for example, 5 to 40 watts)
  • pico network nodes, femto network nodes, and relay network nodes may have lower transmit power levels (for example, 0.1 to 2 watts) .
  • 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.
  • UCI uplink control information
  • 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)
  • 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.
  • 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 bandwidth parts (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.
  • 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.
  • the wireless communication network 100 may be, may include, or may be included 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.
  • an Ng interface of the anchor network node 110 may terminate at the core network.
  • 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) .
  • AMF core access and mobility management function
  • An IAB network also generally includes multiple 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.
  • network resources for wireless communication (such as time resources, frequency resources, and/or spatial resources) may be shared between access links and backhaul links.
  • 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) .
  • the wireless communication network 100 may include or be referred to as a “multi-hop network. ” In the example shown in Fig.
  • the network node 110d 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.
  • 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.
  • 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” ) .
  • processors or “processing” circuitry in the form of one or multiple processors, microprocessors
  • 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.
  • 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” ) .
  • RAM random-access memory
  • ROM read-only memory
  • 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) .
  • modems such as a Wi-Fi (for example, IEEE compliant) modem or a cellular (for example, 3GPP 4G LTE, 5G, or 6G compliant) modem
  • 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.
  • 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.
  • 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) .
  • 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 URLLC, enhanced mobile broadband (eMBB) , and/or precise positioning in the wireless communication network 100, among other examples.
  • eMBB enhanced mobile broadband
  • 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.
  • two or more UEs 120 may communicate directly with one another using sidelink communications (for example, without communicating by way of a network node 110 as an intermediary) .
  • 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 data in an UL communication to a network node 110, which then transmits the data to the UE 120e in a DL communication.
  • 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.
  • a network node 110 may schedule and/or allocate resources for sidelink communications between UEs 120 in the wireless communication network 100.
  • 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.
  • 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) .
  • TDD time-division duplexing
  • 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) .
  • network nodes 110 and/or UEs 120 may generally increase the capacity of the network and the radio access link.
  • 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.
  • FDD frequency-division duplexing
  • 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 implemented using various spatial processing or spatial multiplexing operations.
  • MIMO may support simultaneous transmission to multiple receivers, referred to as multi-user MIMO (MU-MIMO) .
  • MU-MIMO multi-user MIMO
  • Some 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) .
  • mTRP operation including redundant transmission or reception on multiple TRPs
  • SFN single-frequency-network
  • NC-JT non-coherent joint transmission
  • the UE 120 may include a communication manager 140.
  • the communication manager 140 may receive (e.g., from the network node 110) a capability enquiry and may transmit (e.g., to the network node 110) , in response to the capability enquiry, a capability message that includes a variable indicating a maximum number of CSI-RS processes, the variable indicating whether the UE 120 is configured for reporting up to one CRI or generating multi-CRI reports.
  • the network node 110 may use the scheduler 246 to schedule one or more UEs 120 for downlink or uplink communications.
  • the scheduler 246 may use DCI to dynamically schedule DL transmissions to the UE 120 and/or UL transmissions from the UE 120.
  • 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.
  • RRC configuration for example, a semi-static configuration
  • SPS semi-persistent scheduling
  • CG configured grant
  • 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.
  • 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.
  • 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.
  • 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.
  • each received signal may be provided to a respective demodulator component (shown as DEMOD) of a modem 254.
  • DEMOD demodulator component
  • 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 transmit processor 264 may receive and process data ( “uplink data” ) from a data source 262 (such as a data pipeline, 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.
  • 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 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.
  • the transmit processor 264 may generate reference symbols for one or more reference signals, such as an uplink DMRS, an uplink sounding reference signal (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.
  • 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.
  • 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 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) .
  • PSSCH physical sidelink shared channel
  • PSCCH physical sidelink control channel
  • PSFCH physical sidelink feedback channel
  • 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.
  • 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.
  • 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) .
  • 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 associated with the signal.
  • 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.
  • Different UEs 120 or network nodes 110 may include different numbers of antenna elements.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • the network node may include means for transmitting a set of configurations for a set of CSI-RS resources; means for transmitting a configuration for a virtual CSI-RS resource, where the virtual CSI-RS resource is formed from two or more CSI-RS resources in the set of CSI-RS resources; and/or means for receiving a report indicating at least one measurement of the virtual CSI-RS resource.
  • the means for the network node to perform operations described herein may include, for example, one or more of communication manager 150, transmit processor 214, TX MIMO processor 216, modem 232, antenna 234, MIMO detector 236, receive processor 238, controller/processor 240, memory 242, or scheduler 246.
  • Fig. 3 is provided as an example. Other examples may differ from what is described with regard to Fig. 3.
  • Some techniques and apparatuses described herein enable a capability report indicating a maximum number of CSI-RS processes that a UE (e.g., the UE 120) can handle.
  • a network node e.g., the network node 110
  • some techniques and apparatuses described herein enable a virtual CSI-RS resource to be configured (e.g., by the network node 110) from two or more (already-configured) CSI-RS resources.
  • Fig. 4 is a diagram illustrating an example 400 associated with reporting virtual CSI-RS capability, in accordance with the present disclosure.
  • a network node 110 and a UE 120 may communicate with one another (e.g., using a wireless network, such as the wireless network 100 of Fig. 1) .
  • the UE 120 may determine a variable that indicates a maximum number of CSI-RS processes (e.g., that can be handled by the UE 120 based on hardware and/or software limitations of the UE 120) .
  • the UE 120 may use “virtual CSI-RS resources” to count a number of ports for CSI-RS that the UE 120 can handle.
  • the variable may be associated with a Type I codebook, and the variable may indicate the maximum number of CSI-RS processes by indicating a maximum number of CSI-RS resources.
  • a triplet defined in Feature Group (FG) 2-36 of 3GPP Technical Specification (TS) 38.822 may indicate a maximum number of ports in one (CSI-RS) resource, a maximum number of (CSI-RS) resources, and a total number of ports (for CSI-RS) .
  • the UE 120 may determine to set the maximum number of (CSI-RS) resources to “1” when the UE 120 is configured for reporting up to one CRI (even if the network node 110 were to aggregate multiple groups of ports into a virtual CSI-RS resource) .
  • the UE 120 may set the maximum number of ports in one (CSI-RS) resource and the total number of ports (for CSI-RS) up to “128” (or whatever maximum number of ports the network node 110 may aggregate into a virtual CSI-RS resource) .
  • the UE 120 may determine to set the maximum number of (CSI-RS) resources to “2” or more when the UE 120 is configured for multi-CRI reporting.
  • the UE 120 may set the maximum number of ports in one (CSI-RS) resource up to “32” (or whatever maximum number of ports the network node 110 may use per CSI-RS resource) and the total number of ports (for CSI-RS) up to “128” (or whatever maximum number of ports the network node 110 may use overall) . Therefore, the UE 120 may distinguish non-CRI reporting from multi-CRI reporting by virtually mapping CSI-RS ports to the variable.
  • CSI-RS maximum number of ports in one
  • the variable may be associated with a Type II codebook, and the variable may indicate the maximum number of CSI-RS processes by indicating a maximum number of CSI-RS resources.
  • a triplet defined in FG 2-41 of 3GPP TS 38.822 may indicate a maximum number of ports in one (CSI-RS) resource, a maximum number of (CSI-RS) resources, and a total number of ports (for CSI-RS) .
  • the UE 120 may determine to set the maximum number of (CSI-RS) resources to “1” when the UE 120 is configured for reporting up to one CRI (even if the network node 110 were to aggregate multiple groups of ports into a virtual CSI-RS resource) .
  • the UE 120 may set the maximum number of ports in one (CSI-RS) resource and the total number of ports (for CSI-RS) up to “128” (or whatever maximum number of ports the network node 110 may aggregate into a virtual CSI-RS resource) .
  • the UE 120 may determine to set the maximum number of (CSI-RS) resources to “2” or more when the UE 120 is configured for multi-CRI reporting.
  • the UE 120 may set the maximum number of ports in one (CSI-RS) resource up to “32” (or whatever maximum number of ports the network node 110 may use per CSI-RS resource) and the total number of ports (for CSI-RS) up to “128” (or whatever maximum number of ports the network node 110 may use overall) . Therefore, the UE 120 may distinguish non-CRI reporting from multi-CRI reporting by virtually mapping CSI-RS ports to the variable.
  • CSI-RS maximum number of ports in one
  • the configuration for the virtual CSI-RS resource is included in a MAC-CE or DCI.
  • process 900 may include transmitting a configuration for a virtual CSI-RS resource that is formed from two or more CSI-RS resources in the set of CSI-RS resources (block 920) .
  • the network node e.g., using transmission component 1104 and/or communication manager 1106 may transmit a configuration for a virtual CSI-RS resource that is formed from two or more CSI-RS resources in the set of CSI-RS resources, as described herein.
  • process 900 may include receiving a report indicating at least one measurement of the virtual CSI-RS resource (block 930) .
  • the network node e.g., using reception component 1102 and/or communication manager 1106, depicted in Fig. 11
  • 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.
  • process 900 includes determining (e.g., using communication manager 1106) a quantity of occupied CPUs based at least in part on the virtual CSI-RS resource counting as one resource.
  • the report is associated with a same timeline for CSI processing as a report for a single CSI-RS resource in the set of CSI-RS resources.
  • Fig. 10 is a diagram of an example apparatus 1000 for wireless communication, in accordance with the present disclosure.
  • the apparatus 1000 may be a UE, or a UE may include the apparatus 1000.
  • the apparatus 1000 includes a reception component 1002, a transmission component 1004, and/or a communication manager 1006, which may be in communication with one another (for example, via one or more buses and/or one or more other components) .
  • the communication manager 1006 is the communication manager 140 described in connection with Fig. 1.
  • the apparatus 1000 may communicate with another apparatus 1008, such as a UE or a network node (such as a CU, a DU, an RU, or a base station) , using the reception component 1002 and the transmission component 1004.
  • another apparatus 1008 such as a UE or a network node (such as a CU, a DU, an RU, or a base station) , using the reception component 1002 and the transmission component 1004.
  • the reception component 1002 may receive communications, such as reference signals, control information, data communications, or a combination thereof, from the apparatus 1008.
  • the reception component 1002 may provide received communications to one or more other components of the apparatus 1000.
  • the reception component 1002 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 1000.
  • the reception component 1002 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.
  • the transmission component 1004 may transmit communications, such as reference signals, control information, data communications, or a combination thereof, to the apparatus 1008.
  • one or more other components of the apparatus 1000 may generate communications and may provide the generated communications to the transmission component 1004 for transmission to the apparatus 1008.
  • the transmission component 1004 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 1008.
  • the transmission component 1004 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 1004 may be co-located with the reception component 1002 in one or more transceivers.
  • the communication manager 1006 may support operations of the reception component 1002 and/or the transmission component 1004. For example, the communication manager 1006 may receive information associated with configuring reception of communications by the reception component 1002 and/or transmission of communications by the transmission component 1004. Additionally, or alternatively, the communication manager 1006 may generate and/or provide control information to the reception component 1002 and/or the transmission component 1004 to control reception and/or transmission of communications.
  • the reception component 1002 may receive (e.g., from the apparatus 1008) a capability enquiry.
  • the transmission component 1004 may transmit (e.g., to the apparatus 1008) , in response to the capability enquiry, a capability message that includes a variable indicating a maximum number of CSI-RS processes.
  • the variable may indicate whether the apparatus 1000 is configured for reporting up to one CRI or generating multi-CRI reports.
  • the reception component 1002 may receive (e.g., from the apparatus 1008) a set of configurations for a set of CSI-RS resources and may receive (e.g., from the apparatus 1008) a configuration for a virtual CSI-RS resource that is formed from two or more CSI-RS resources in the set of CSI-RS resources.
  • the transmission component 1004 may transmit (e.g., to the apparatus 1008) a report generated using a measurement of the virtual CSI-RS resource.
  • the communication manager 1006 may determine a quantity of occupied CPUs based at least in part on the virtual CSI-RS resource counting as one resource.
  • the reception component 1002 may perform the measurement of the virtual CSI-RS resource based on the quantity of occupied CPUs satisfying a threshold, and the transmission component 1004 may transmit the report according to an extended timeline.
  • the communication manager 1006 may determine a quantity of occupied CPUs based at least in part on the virtual CSI-RS resource counting as multiple resources. Accordingly, the reception component 1002 may perform the measurement of the virtual CSI-RS resource based on the quantity of occupied CPUs satisfying a threshold, and the transmission component 1004 may transmit the report according to a same timeline as a single CSI-RS resource.
  • Fig. 10 The number and arrangement of components shown in Fig. 10 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. 10. Furthermore, two or more components shown in Fig. 10 may be implemented within a single component, or a single component shown in Fig. 10 may be implemented as multiple, distributed components. Additionally, or alternatively, a set of (one or more) components shown in Fig. 10 may perform one or more functions described as being performed by another set of components shown in Fig. 10.
  • 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 network node, or a network node may include the apparatus 1100.
  • 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) .
  • the communication manager 1106 is the communication manager 150 described in connection with Fig. 1.
  • 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.
  • 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.
  • the transmission component 1104 may transmit (e.g., to the apparatus 1108) a capability enquiry.
  • the reception component 1102 may receive (e.g., from the apparatus 1108) , in response to the capability enquiry, a capability message that includes a variable indicating a maximum number of CSI-RS processes.
  • the variable may indicate whether the apparatus 1108 is configured for reporting up to one CRI or generating multi-CRI reports.
  • the transmission component 1104 may transmit (e.g., to the apparatus 1108) a set of configurations for a set of CSI-RS resources and may transmit (e.g., to the apparatus 1108) a configuration for a virtual CSI-RS resource that is formed from two or more CSI-RS resources in the set of CSI-RS resources.
  • the reception component 1102 may receive (e.g., from the apparatus 1108) a report indicating at least one measurement of the virtual CSI-RS resource.
  • the communication manager 1106 may determine a quantity of occupied CPUs based at least in part on the virtual CSI-RS resource counting as one resource.
  • the transmission component 1104 may transmit CSI-RSs in the virtual CSI-RS resource based on the quantity of occupied CPUs satisfying a threshold, and the reception component 1102 may monitor for the report according to an extended timeline.
  • the communication manager 1106 may determine a quantity of occupied CPUs based at least in part on the virtual CSI-RS resource counting as multiple resources.
  • the transmission component 1104 may transmit CSI-RSs in the virtual CSI-RS resource based on the quantity of occupied CPUs satisfying a threshold, and the reception component 1102 may monitor for the report according to a same timeline as a single CSI-RS resource.
  • a method of wireless communication performed by a user equipment (UE) comprising: receiving a capability enquiry; and transmitting, in response to the capability enquiry, a capability message that includes a variable indicating a maximum number of channel state information –reference signal (CSI-RS) processes, wherein the variable indicates whether the UE is configured for reporting up to one CSI-RS resource indicator (CRI) or generating multi-CRI reports.
  • CSI-RS channel state information –reference signal
  • Aspect 2 The method of Aspect 1, wherein the variable is associated with a Type I codebook, and the variable indicates the maximum number of CSI-RS processes by indicating a maximum number of CSI-RS resources.
  • Aspect 3 The method of Aspect 1 wherein the variable is associated with a Type II codebook, and the variable indicates the maximum number of CSI-RS processes by indicating a maximum number of CSI-RS resources.
  • Aspect 4 The method of Aspect 1, wherein the variable is associated with an eType-II codebook, and the variable indicates the maximum number of CSI-RS processes by indicating a maximum number of CSI-RS resources.
  • Aspect 5 The method of any of Aspects 1-4, wherein the variable is associated with a component carrier (CC) .
  • CC component carrier
  • Aspect 6 The method of Aspect 5, wherein the capability message further includes an additional variable indicating a maximum number of CSI-RS processes associated with an additional CC.
  • Aspect 7 The method of any of Aspects 1-6, wherein the variable indicates the maximum number of CSI-RS processes by indicating a maximum number of periodic CSI-RS reports, a maximum number of aperiodic CSI-RS reports, or a maximum number of semi-persistent CSI-RS reports.
  • a method of wireless communication performed by a network node comprising: transmitting a capability enquiry; and receiving, in response to the capability enquiry, a capability message that includes a variable indicating a maximum number of channel state information –reference signal (CSI-RS) processes, wherein the variable indicates whether a user equipment (UE) is configured for reporting up to one CSI-RS resource indicator (CRI) or generating multi-CRI reports.
  • CSI-RS channel state information –reference signal
  • Aspect 9 The method of Aspect 8, wherein the variable is associated with a Type I codebook, and the variable indicates the maximum number of CSI-RS processes by indicating a maximum number of CSI-RS resources.
  • Aspect 10 The method of Aspect 8, wherein the variable is associated with a Type II codebook, and the variable indicates the maximum number of CSI-RS processes by indicating a maximum number of CSI-RS resources.
  • Aspect 11 The method of Aspect 8, wherein the variable is associated with an eType-II codebook, and the variable indicates the maximum number of CSI-RS processes by indicating a maximum number of CSI-RS resources.
  • Aspect 12 The method of any of Aspects 8-11, wherein the variable is associated with a component carrier (CC) .
  • CC component carrier
  • Aspect 13 The method of Aspect 12, wherein the capability message further includes an additional variable indicating a maximum number of CSI-RS processes associated with an additional CC.
  • Aspect 14 The method of any of Aspects 8-13, wherein the variable indicates the maximum number of CSI-RS processes by indicating a maximum number of periodic CSI-RS reports, a maximum number of aperiodic CSI-RS reports, or a maximum number of semi-persistent CSI-RS reports.
  • a method of wireless communication performed by a user equipment (UE) comprising: receiving a set of configurations for a set of channel state information –reference signal (CSI-RS) resources; receiving a configuration for a virtual CSI-RS resource, wherein the virtual CSI-RS resource is formed from two or more CSI-RS resources in the set of CSI-RS resources; and transmitting a report generated using a measurement of the virtual CSI-RS resource.
  • CSI-RS channel state information –reference signal
  • Aspect 16 The method of Aspect 15, wherein the set of configurations are included in one or more radio resource control messages.
  • Aspect 17 The method of any of Aspects 15-16, wherein the configuration for the virtual CSI-RS resource is included in a radio resource control message.
  • Aspect 18 The method of any of Aspects 15-16, wherein the configuration for the virtual CSI-RS resource is included in a medium access control (MAC) control element or downlink control information.
  • MAC medium access control
  • Aspect 19 The method of any of Aspects 15-18, further comprising: determining a quantity of occupied CSI processing units based at least in part on the virtual CSI-RS resource counting as one resource.
  • Aspect 20 The method of Aspect 19, wherein the report is associated with an extended timeline for CSI processing as compared with a report for a single CSI-RS resource in the set of CSI-RS resources.
  • Aspect 21 The method of any of Aspects 15-18, further comprising: determining a quantity of occupied CSI processing units based at least in part on the virtual CSI-RS resource counting as multiple resources.
  • Aspect 22 The method of Aspect 21, wherein the report is associated with a same timeline for CSI processing as a report for a single CSI-RS resource in the set of CSI-RS resources.
  • a method of wireless communication performed by a network node comprising: transmitting a set of configurations for a set of channel state information –reference signal (CSI-RS) resources; transmitting a configuration for a virtual CSI-RS resource, wherein the virtual CSI-RS resource is formed from two or more CSI-RS resources in the set of CSI-RS resources; and receiving a report indicating at least one measurement of the virtual CSI-RS resource.
  • CSI-RS channel state information –reference signal
  • Aspect 24 The method of Aspect 23, wherein the set of configurations are included in one or more radio resource control messages.
  • Aspect 25 The method of any of Aspects 23-24, wherein the configuration for the virtual CSI-RS resource is included in a radio resource control message.
  • Aspect 27 The method of any of Aspects 23-26, further comprising: determining a quantity of occupied CSI processing units based at least in part on the virtual CSI-RS resource counting as one resource.
  • Aspect 28 The method of Aspect 27, wherein the report is associated with an extended timeline for CSI processing as compared with a report for a single CSI-RS resource in the set of CSI-RS resources.
  • Aspect 29 The method of any of Aspects 23-26, further comprising: determining a quantity of occupied CSI processing units based at least in part on the virtual CSI-RS resource counting as multiple resources.
  • Aspect 30 The method of Aspect 29, wherein the report is associated with a same timeline for CSI processing as a report for a single CSI-RS resource in the set of CSI-RS resources.
  • Aspect 31 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 1-30.
  • Aspect 32 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 1-30.
  • Aspect 33 An apparatus for wireless communication, the apparatus comprising at least one means for performing the method of one or more of Aspects 1-30.
  • Aspect 34 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 1-30.
  • Aspect 35 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 1-30.
  • Aspect 36 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 more processors, the processing system configured to cause the device to perform the method of one or more of Aspects 1-30.
  • Aspect 37 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 1-30.
  • 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.
  • 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.
  • 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.
  • 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.
  • a phrase referring to “at least one of” a list of items refers to any combination of those items, including single members.
  • “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, or any other ordering of a, b, and c) .
  • 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) .
  • the phrase “based on” is intended to mean “based on or otherwise in association with” unless explicitly stated otherwise.
  • 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. ”

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  • Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Selon certaines mises en œuvre, un équipement utilisateur (UE) peut recevoir une interrogation de capacité. L'UE peut émettre, en réponse à l'interrogation de capacité, un message de capacité qui comprend une variable indiquant un nombre maximal de processus de signal de référence d'informations d'état de canal (CSI-RS). La variable peut indiquer si l'UE est configuré pour rapporter jusqu'à un indicateur de ressource CSI-RS (CRI) ou générer des rapports multi-CRI. De plus, ou en variante, dans certaines mises en œuvre, l'UE peut recevoir un ensemble de configurations pour un ensemble de ressources CSI-RS. L'UE peut recevoir une configuration pour une ressource CSI-RS virtuelle qui est formée à partir d'au moins deux ressources CSI-RS dans l'ensemble de ressources CSI-RS. L'UE peut émettre un rapport généré à l'aide d'une mesure de la ressource CSI-RS virtuelle.
PCT/CN2024/086140 2024-04-04 2024-04-04 Ressources de signal de référence d'informations d'état de canal virtuel Pending WO2025208548A1 (fr)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230171070A1 (en) * 2020-04-16 2023-06-01 Lenovo (Singapore) Pte. Ltd. Channel state information processing and reporting
WO2024031537A1 (fr) * 2022-08-11 2024-02-15 Qualcomm Incorporated Configurations nominales de signaux csi-rs pour prédiction de faisceau spatial
WO2024032306A1 (fr) * 2022-08-12 2024-02-15 Google Llc Rétroaction d'informations d'état de canal sur de multiples ressources de mesurage de canal ou de multiples transmissions conjointes cohérentes
US20240106513A1 (en) * 2022-04-29 2024-03-28 Zte Corporation Multiple panel transmissions in wireless communication systems

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230171070A1 (en) * 2020-04-16 2023-06-01 Lenovo (Singapore) Pte. Ltd. Channel state information processing and reporting
US20240106513A1 (en) * 2022-04-29 2024-03-28 Zte Corporation Multiple panel transmissions in wireless communication systems
WO2024031537A1 (fr) * 2022-08-11 2024-02-15 Qualcomm Incorporated Configurations nominales de signaux csi-rs pour prédiction de faisceau spatial
WO2024032306A1 (fr) * 2022-08-12 2024-02-15 Google Llc Rétroaction d'informations d'état de canal sur de multiples ressources de mesurage de canal ou de multiples transmissions conjointes cohérentes

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