WO2022246718A1 - Techniques de comptage d'états d'indicateurs de configuration de transmissions conjoints actives vers une capacité d'équipement utilisateur - Google Patents

Techniques de comptage d'états d'indicateurs de configuration de transmissions conjoints actives vers une capacité d'équipement utilisateur Download PDF

Info

Publication number
WO2022246718A1
WO2022246718A1 PCT/CN2021/096219 CN2021096219W WO2022246718A1 WO 2022246718 A1 WO2022246718 A1 WO 2022246718A1 CN 2021096219 W CN2021096219 W CN 2021096219W WO 2022246718 A1 WO2022246718 A1 WO 2022246718A1
Authority
WO
WIPO (PCT)
Prior art keywords
transmission configuration
configuration indicator
active
downlink
joint
Prior art date
Application number
PCT/CN2021/096219
Other languages
English (en)
Inventor
Fang Yuan
Yan Zhou
Tao Luo
Original Assignee
Qualcomm Incorporated
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 Incorporated filed Critical Qualcomm Incorporated
Priority to PCT/CN2021/096219 priority Critical patent/WO2022246718A1/fr
Publication of WO2022246718A1 publication Critical patent/WO2022246718A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • 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
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035—Resource allocation in a cooperative multipoint environment
    • 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

Definitions

  • the following relates to wireless communications, including techniques for counting active joint transmission configuration indicator (TCI) states toward a user equipment (UE) capability.
  • TCI active joint transmission configuration indicator
  • UE user equipment
  • Wireless communications systems are widely deployed to provide various types of communication content such as voice, video, packet data, messaging, broadcast, and so on. These systems may be capable of supporting communication with multiple users by sharing the available system resources (e.g., time, frequency, and power) .
  • Examples of such multiple-access systems include fourth generation (4G) systems such as Long Term Evolution (LTE) systems, LTE-Advanced (LTE-A) systems, or LTE-A Pro systems, and fifth generation (5G) systems which may be referred to as New Radio (NR) systems.
  • 4G systems such as Long Term Evolution (LTE) systems, LTE-Advanced (LTE-A) systems, or LTE-A Pro systems
  • 5G systems which may be referred to as New Radio (NR) systems.
  • a wireless multiple-access communications system may include one or more base stations or one or more network access nodes, each simultaneously supporting communication for multiple communication devices, which may be otherwise known as user equipment (UE) .
  • UE user equipment
  • a UE may feature one or more active transmission configuration indicator (TCI) states and may communicate with one or both other devices, such as base stations, using the one or more active TCI states.
  • TCI transmission configuration indicator
  • the described techniques relate to improved methods, systems, devices, and apparatuses that support techniques for counting active joint transmission configuration indicator (TCI) states toward a user equipment (UE) capability.
  • TCI transmission configuration indicator
  • UE user equipment
  • the described techniques provide for an accounting procedure according to which a UE and a base station may count active joint TCI states toward a capability of the UE, where such an active joint TCI state may refer to a TCI state that indicates a common directional communication beam for at least one downlink channel or downlink reference signal and for at least one uplink channel or uplink reference signal.
  • the UE may feature a capability (e.g., an upper limit) for a first number of active downlink TCI states and a second number of active uplink TCI states and, using the described accounting procedure, the UE and the base station may count any active joint TCI states toward one or both of the first number or the second number according a configured mapping rule.
  • a capability e.g., an upper limit
  • the UE and the base station may be configured to count (in terms of UE capability) any active joint TCI state as one active downlink TCI state, as one active uplink TCI state, or as both one active downlink TCI state and one active uplink TCI state.
  • the mapping rule may specify to which capability or capabilities (e.g., which of the first number or the second number, or both) the UE and the base station counts the active joint TCI state.
  • the UE and the base station may both have common knowledge of the mapping rule such that both the UE and the base station may similarly (or identically) count active joint TCI states toward the capability of the UE (which may improve system coordination as both devices have or obtain the same understanding of how many active TCI states may be configured at the UE) .
  • FIGs. 1 and 2 illustrate examples of wireless communications systems that support techniques for counting active joint transmission configuration indicator (TCI) states toward a user equipment (UE) capability in accordance with aspects of the present disclosure.
  • TCI active joint transmission configuration indicator
  • UE user equipment
  • FIG. 3 illustrates an example of a process flow that supports techniques for counting active joint TCI states toward a UE capability in accordance with aspects of the present disclosure.
  • FIGs. 4 and 5 show block diagrams of devices that support techniques for counting active joint TCI states toward a UE capability in accordance with aspects of the present disclosure.
  • FIG. 6 shows a block diagram of a communications manager that supports techniques for counting active joint TCI states toward a UE capability in accordance with aspects of the present disclosure.
  • FIG. 7 shows a diagram of a system including a device that supports techniques for counting active joint TCI states toward a UE capability in accordance with aspects of the present disclosure.
  • FIGs. 8 and 9 show block diagrams of devices that support techniques for counting active joint TCI states toward a UE capability in accordance with aspects of the present disclosure.
  • FIG. 10 shows a block diagram of a communications manager that supports techniques for counting active joint TCI states toward a UE capability in accordance with aspects of the present disclosure.
  • FIG. 11 shows a diagram of a system including a device that supports techniques for counting active joint TCI states toward a UE capability in accordance with aspects of the present disclosure.
  • FIGs. 12 and 13 show flowcharts illustrating methods that support techniques for counting active joint TCI states toward a UE capability in accordance with aspects of the present disclosure.
  • a user equipment may receive control signaling activating one or more transmission configuration indicator (TCI) states, each of the one or more TCI states providing beam information (e.g., a directional beam or a spatial relation) associated with one or more communication channels or reference signals.
  • TCI transmission configuration indicator
  • a TCI state may indicate a directional beam or a spatial relation for one or more associated communication channels or reference signals, and one or multiple TCI states may be activated at the UE.
  • the UE may communicate in accordance with (e.g., using the beam information provided by) the one or more activated TCI states.
  • the UE may feature a capability for a maximum or upper limit number of active TCI states at a given time and, in some cases, the UE may report the capability in terms of a first number of active downlink TCI states and a second number of active uplink TCI states. For example, according to the UE capability, the UE may be capable of communicating in accordance with the first number of active downlink TCI states and the second number of active uplink TCI states.
  • the UE may receive an activation of a joint TCI state that provides beam information that is common for at least one downlink channel or downlink reference signal and at least one uplink channel or uplink reference signal.
  • the UE may lack awareness or a configured procedure or rule for how to count such active joint TCI states toward the capability of the UE (which may be maintained as separate values for downlink TCI states and uplink TCI states) .
  • Such a lack of awareness or of a configured procedure or rule for how to count active joint TCI states toward the capability of the UE may lead to ambiguity between the UE and a serving base station, as the UE and the base station may potentially implement different counting rules for joint TCI states, which may lead to sub-optimal TCI state activation or a violation of the capability of the UE, or both.
  • some implementations of the present disclosure provide a counting mechanism that the UE and the base station may implement in accordance with a configured mapping rule.
  • the configured mapping rule may indicate or specify how a joint TCI state applies or contributes toward the capability of the UE (e.g., without adding another TCI state capability that is dedicated for joint TCI states) .
  • the configured mapping rule may indicate or specify how a joint TCI state applies or contributes toward both the first number of active downlink TCI states and the second number of active uplink TCI states.
  • the UE and the base station may count one active joint TCI state as one active downlink TCI state and as one active uplink TCI state.
  • the configured mapping rule may indicate or specify how a joint TCI state applies or contributes toward one of the first number of active downlink TCI states or the second number of active uplink TCI states (and not both) .
  • the UE and the base station may count one active joint TCI state as either one active downlink TCI state or as one active uplink TCI state.
  • the described techniques may be implemented to support a mutually understood counting mechanism for handling activated joint TCI states without impacting capability signaling between the UE and the base station.
  • the UE and the base station may both track how active TCI states (regardless of whether the active TCI states are downlink-specific, uplink-specific, or joint) contribute toward the capability of the UE without specifying a separate capability for joint TCI states.
  • the UE and the base station may achieve improved beamforming configurations, which may increase a likelihood for successful communication between the UE and the base station, without increasing signaling overhead.
  • the UE and the base station may achieve greater spectral efficiency, higher data rates, and increased throughput.
  • aspects of the disclosure are initially described in the context of wireless communications systems. Additionally, aspects of the disclosure are illustrated by and described with reference to a process flow. Aspects of the disclosure are further illustrated by and described with reference to apparatus diagrams, system diagrams, and flowcharts that relate to techniques for counting active joint TCI states toward a UE capability.
  • FIG. 1 illustrates an example of a wireless communications system 100 that supports techniques for counting active joint TCI states toward a UE capability in accordance with aspects of the present disclosure.
  • the wireless communications system 100 may include one or more base stations 105, one or more UEs 115, and a core network 130.
  • the wireless communications system 100 may be a Long Term Evolution (LTE) network, an LTE-Advanced (LTE-A) network, an LTE-A Pro network, or a New Radio (NR) network.
  • LTE Long Term Evolution
  • LTE-A LTE-Advanced
  • LTE-A Pro LTE-A Pro
  • NR New Radio
  • the wireless communications system 100 may support enhanced broadband communications, ultra-reliable (e.g., mission critical) communications, low latency communications, communications with low-cost and low-complexity devices, or any combination thereof.
  • ultra-reliable e.g., mission critical
  • the base stations 105 may be dispersed throughout a geographic area to form the wireless communications system 100 and may be devices in different forms or having different capabilities.
  • the base stations 105 and the UEs 115 may wirelessly communicate via one or more communication links 125.
  • Each base station 105 may provide a geographic coverage area 110 over which the UEs 115 and the base station 105 may establish one or more communication links 125.
  • the geographic coverage area 110 may be an example of a geographic area over which a base station 105 and a UE 115 may support the communication of signals according to one or more radio access technologies.
  • the UEs 115 may be dispersed throughout a geographic coverage area 110 of the wireless communications system 100, and each UE 115 may be stationary, or mobile, or both at different times.
  • the UEs 115 may be devices in different forms or having different capabilities. Some example UEs 115 are illustrated in FIG. 1.
  • the UEs 115 described herein may be able to communicate with various types of devices, such as other UEs 115, the base stations 105, or network equipment (e.g., core network nodes, relay devices, integrated access and backhaul (IAB) nodes, or other network equipment) , as shown in FIG. 1.
  • network equipment e.g., core network nodes, relay devices, integrated access and backhaul (IAB) nodes, or other network equipment
  • the base stations 105 may communicate with the core network 130, or with one another, or both.
  • the base stations 105 may interface with the core network 130 through one or more backhaul links 120 (e.g., via an S1, N2, N3, or other interface) .
  • the base stations 105 may communicate with one another over the backhaul links 120 (e.g., via an X2, Xn, or other interface) either directly (e.g., directly between base stations 105) , or indirectly (e.g., via core network 130) , or both.
  • the backhaul links 120 may be or include one or more wireless links.
  • One or more of the base stations 105 described herein may include or may be referred to by a person having ordinary skill in the art as a base transceiver station, a radio base station, an access point, a radio transceiver, a NodeB, an eNodeB (eNB) , a next-generation NodeB or a giga-NodeB (either of which may be referred to as a gNB) , a Home NodeB, a Home eNodeB, or other suitable terminology.
  • a base transceiver station a radio base station
  • an access point a radio transceiver
  • a NodeB an eNodeB (eNB)
  • eNB eNodeB
  • a next-generation NodeB or a giga-NodeB either of which may be referred to as a gNB
  • gNB giga-NodeB
  • a UE 115 may include or may be referred to as a mobile device, a wireless device, a remote device, a handheld device, or a subscriber device, or some other suitable terminology, where the “device” may also be referred to as a unit, a station, a terminal, or a client, among other examples.
  • a UE 115 may also include or may be referred to as a personal electronic device such as a cellular phone, a personal digital assistant (PDA) , a tablet computer, a laptop computer, or a personal computer.
  • PDA personal digital assistant
  • a UE 115 may include or be referred to as a wireless local loop (WLL) station, an Internet of Things (IoT) device, an Internet of Everything (IoE) device, or a machine type communications (MTC) device, among other examples, which may be implemented in various objects such as appliances, or vehicles, meters, among other examples.
  • WLL wireless local loop
  • IoT Internet of Things
  • IoE Internet of Everything
  • MTC machine type communications
  • the UEs 115 described herein may be able to communicate with various types of devices, such as other UEs 115 that may sometimes act as relays as well as the base stations 105 and the network equipment including macro eNBs or gNBs, small cell eNBs or gNBs, or relay base stations, among other examples, as shown in FIG. 1.
  • devices such as other UEs 115 that may sometimes act as relays as well as the base stations 105 and the network equipment including macro eNBs or gNBs, small cell eNBs or gNBs, or relay base stations, among other examples, as shown in FIG. 1.
  • the UEs 115 and the base stations 105 may wirelessly communicate with one another via one or more communication links 125 over one or more carriers.
  • the term “carrier” may refer to a set of radio frequency spectrum resources having a defined physical layer structure for supporting the communication links 125.
  • a carrier used for a communication link 125 may include a portion of a radio frequency spectrum band (e.g., a bandwidth part (BWP) ) that is operated according to one or more physical layer channels for a given radio access technology (e.g., LTE, LTE-A, LTE-A Pro, NR) .
  • BWP bandwidth part
  • Each physical layer channel may carry acquisition signaling (e.g., synchronization signals, system information) , control signaling that coordinates operation for the carrier, user data, or other signaling.
  • the wireless communications system 100 may support communication with a UE 115 using carrier aggregation or multi-carrier operation.
  • a UE 115 may be configured with multiple downlink component carriers and one or more uplink component carriers according to a carrier aggregation configuration.
  • Carrier aggregation may be used with both frequency division duplexing (FDD) and time division duplexing (TDD) component carriers.
  • FDD frequency division duplexing
  • TDD time division duplexing
  • Signal waveforms transmitted over a carrier may be made up of multiple subcarriers (e.g., using multi-carrier modulation (MCM) techniques such as orthogonal frequency division multiplexing (OFDM) or discrete Fourier transform spread OFDM (DFT-S-OFDM) ) .
  • MCM multi-carrier modulation
  • a resource element may include one symbol period (e.g., a duration of one modulation symbol) and one subcarrier, where the symbol period and subcarrier spacing are inversely related.
  • the number of bits carried by each resource element may depend on the modulation scheme (e.g., the order of the modulation scheme, the coding rate of the modulation scheme, or both) .
  • a wireless communications resource may refer to a combination of a radio frequency spectrum resource, a time resource, and a spatial resource (e.g., spatial layers or beams) , and the use of multiple spatial layers may further increase the data rate or data integrity for communications with a UE 115.
  • Time intervals of a communications resource may be organized according to radio frames each having a specified duration (e.g., 10 milliseconds (ms) ) .
  • Each radio frame may be identified by a system frame number (SFN) (e.g., ranging from 0 to 1023) .
  • SFN system frame number
  • Each frame may include multiple consecutively numbered subframes or slots, and each subframe or slot may have the same duration.
  • a frame may be divided (e.g., in the time domain) into subframes, and each subframe may be further divided into a number of slots.
  • each frame may include a variable number of slots, and the number of slots may depend on subcarrier spacing.
  • Each slot may include a number of symbol periods (e.g., depending on the length of the cyclic prefix prepended to each symbol period) .
  • a slot may further be divided into multiple mini-slots containing one or more symbols. Excluding the cyclic prefix, each symbol period may contain one or more (e.g., N f ) sampling periods. The duration of a symbol period may depend on the subcarrier spacing or frequency band of operation.
  • a subframe, a slot, a mini-slot, or a symbol may be the smallest scheduling unit (e.g., in the time domain) of the wireless communications system 100 and may be referred to as a transmission time interval (TTI) .
  • TTI duration e.g., the number of symbol periods in a TTI
  • the smallest scheduling unit of the wireless communications system 100 may be dynamically selected (e.g., in bursts of shortened TTIs (sTTIs) ) .
  • Physical channels may be multiplexed on a carrier according to various techniques.
  • a physical control channel and a physical data channel may be multiplexed on a downlink carrier, for example, using one or more of time division multiplexing (TDM) techniques, frequency division multiplexing (FDM) techniques, or hybrid TDM-FDM techniques.
  • a control region e.g., a control resource set (CORESET)
  • CORESET control resource set
  • a control region for a physical control channel may be defined by a number of symbol periods and may extend across the system bandwidth or a subset of the system bandwidth of the carrier.
  • One or more control regions (e.g., CORESETs) may be configured for a set of the UEs 115.
  • one or more of the UEs 115 may monitor or search control regions for control information according to one or more search space sets, and each search space set may include one or multiple control channel candidates in one or more aggregation levels arranged in a cascaded manner.
  • An aggregation level for a control channel candidate may refer to a number of control channel resources (e.g., control channel elements (CCEs) ) associated with encoded information for a control information format having a given payload size.
  • Search space sets may include common search space sets configured for sending control information to multiple UEs 115 and UE-specific search space sets for sending control information to a specific UE 115.
  • Each base station 105 may provide communication coverage via one or more cells, for example a macro cell, a small cell, a hot spot, or other types of cells, or any combination thereof.
  • the term “cell” may refer to a logical communication entity used for communication with a base station 105 (e.g., over a carrier) and may be associated with an identifier for distinguishing neighboring cells (e.g., a physical cell identifier (PCID) , a virtual cell identifier (VCID) , or others) .
  • a cell may also refer to a geographic coverage area 110 or a portion of a geographic coverage area 110 (e.g., a sector) over which the logical communication entity operates.
  • Such cells may range from smaller areas (e.g., a structure, a subset of structure) to larger areas depending on various factors such as the capabilities of the base station 105.
  • a cell may be or include a building, a subset of a building, or exterior spaces between or overlapping with geographic coverage areas 110, among other examples.
  • a macro cell generally covers a relatively large geographic area (e.g., several kilometers in radius) and may allow unrestricted access by the UEs 115 with service subscriptions with the network provider supporting the macro cell.
  • a small cell may be associated with a lower-powered base station 105, as compared with a macro cell, and a small cell may operate in the same or different (e.g., licensed, unlicensed) frequency bands as macro cells.
  • Small cells may provide unrestricted access to the UEs 115 with service subscriptions with the network provider or may provide restricted access to the UEs 115 having an association with the small cell (e.g., the UEs 115 in a closed subscriber group (CSG) , the UEs 115 associated with users in a home or office) .
  • a base station 105 may support one or multiple cells and may also support communications over the one or more cells using one or multiple component carriers.
  • a carrier may support multiple cells, and different cells may be configured according to different protocol types (e.g., MTC, narrowband IoT (NB-IoT) , enhanced mobile broadband (eMBB) ) that may provide access for different types of devices.
  • protocol types e.g., MTC, narrowband IoT (NB-IoT) , enhanced mobile broadband (eMBB)
  • NB-IoT narrowband IoT
  • eMBB enhanced mobile broadband
  • a base station 105 may be movable and therefore provide communication coverage for a moving geographic coverage area 110.
  • different geographic coverage areas 110 associated with different technologies may overlap, but the different geographic coverage areas 110 may be supported by the same base station 105.
  • the overlapping geographic coverage areas 110 associated with different technologies may be supported by different base stations 105.
  • the wireless communications system 100 may include, for example, a heterogeneous network in which different types of the base stations 105 provide coverage for various geographic coverage areas 110 using the same or different radio access technologies.
  • the wireless communications system 100 may support synchronous or asynchronous operation.
  • the base stations 105 may have similar frame timings, and transmissions from different base stations 105 may be approximately aligned in time.
  • the base stations 105 may have different frame timings, and transmissions from different base stations 105 may, in some examples, not be aligned in time.
  • the techniques described herein may be used for either synchronous or asynchronous operations.
  • Some UEs 115 may be low cost or low complexity devices and may provide for automated communication between machines (e.g., via Machine-to-Machine (M2M) communication) .
  • M2M communication or MTC may refer to data communication technologies that allow devices to communicate with one another or a base station 105 without human intervention.
  • M2M communication or MTC may include communications from devices that integrate sensors or meters to measure or capture information and relay such information to a central server or application program that makes use of the information or presents the information to humans interacting with the application program.
  • Some UEs 115 may be designed to collect information or enable automated behavior of machines or other devices. Examples of applications for MTC devices include smart metering, inventory monitoring, water level monitoring, equipment monitoring, healthcare monitoring, wildlife monitoring, weather and geological event monitoring, fleet management and tracking, remote security sensing, physical access control, and transaction-based business charging.
  • Some UEs 115 may be configured to employ operating modes that reduce power consumption, such as half-duplex communications (e.g., a mode that supports one-way communication via transmission or reception, but not transmission and reception simultaneously) .
  • half-duplex communications may be performed at a reduced peak rate.
  • Other power conservation techniques for the UEs 115 include entering a power saving deep sleep mode when not engaging in active communications, operating over a limited bandwidth (e.g., according to narrowband communications) , or a combination of these techniques.
  • some UEs 115 may be configured for operation using a narrowband protocol type that is associated with a defined portion or range (e.g., set of subcarriers or resource blocks (RBs) ) within a carrier, within a guard-band of a carrier, or outside of a carrier.
  • a narrowband protocol type that is associated with a defined portion or range (e.g., set of subcarriers or resource blocks (RBs) ) within a carrier, within a guard-band of a carrier, or outside of a carrier.
  • the wireless communications system 100 may be configured to support ultra-reliable communications or low-latency communications, or various combinations thereof.
  • the wireless communications system 100 may be configured to support ultra-reliable low-latency communications (URLLC) or mission critical communications.
  • the UEs 115 may be designed to support ultra-reliable, low-latency, or critical functions (e.g., mission critical functions) .
  • Ultra-reliable communications may include private communication or group communication and may be supported by one or more mission critical services such as mission critical push-to-talk (MCPTT) , mission critical video (MCVideo) , or mission critical data (MCData) .
  • MCPTT mission critical push-to-talk
  • MCVideo mission critical video
  • MCData mission critical data
  • Support for mission critical functions may include prioritization of services, and mission critical services may be used for public safety or general commercial applications.
  • the terms ultra-reliable, low-latency, mission critical, and ultra-reliable low-latency may be used interchangeably herein.
  • a UE 115 may also be able to communicate directly with other UEs 115 over a device-to-device (D2D) communication link 135 (e.g., using a peer-to-peer (P2P) or D2D protocol) .
  • D2D device-to-device
  • P2P peer-to-peer
  • One or more UEs 115 utilizing D2D communications may be within the geographic coverage area 110 of a base station 105.
  • Other UEs 115 in such a group may be outside the geographic coverage area 110 of a base station 105 or be otherwise unable to receive transmissions from a base station 105.
  • groups of the UEs 115 communicating via D2D communications may utilize a one-to-many (1: M) system in which each UE 115 transmits to every other UE 115 in the group.
  • a base station 105 facilitates the scheduling of resources for D2D communications. In other cases, D2D communications are carried out between the UEs 115 without the involvement of a base station 105.
  • the D2D communication link 135 may be an example of a communication channel, such as a sidelink communication channel, between vehicles (e.g., UEs 115) .
  • vehicles may communicate using vehicle-to-everything (V2X) communications, vehicle-to-vehicle (V2V) communications, or some combination of these.
  • V2X vehicle-to-everything
  • V2V vehicle-to-vehicle
  • a vehicle may signal information related to traffic conditions, signal scheduling, weather, safety, emergencies, or any other information relevant to a V2X system.
  • vehicles in a V2X system may communicate with roadside infrastructure, such as roadside units, or with the network via one or more network nodes (e.g., base stations 105) using vehicle-to-network (V2N) communications, or with both.
  • V2N vehicle-to-network
  • the core network 130 may provide user authentication, access authorization, tracking, Internet Protocol (IP) connectivity, and other access, routing, or mobility functions.
  • the core network 130 may be an evolved packet core (EPC) or 5G core (5GC) , which may include at least one control plane entity that manages access and mobility (e.g., a mobility management entity (MME) , an access and mobility management function (AMF) ) and at least one user plane entity that routes packets or interconnects to external networks (e.g., a serving gateway (S-GW) , a Packet Data Network (PDN) gateway (P-GW) , or a user plane function (UPF) ) .
  • EPC evolved packet core
  • 5GC 5G core
  • MME mobility management entity
  • AMF access and mobility management function
  • S-GW serving gateway
  • PDN Packet Data Network gateway
  • UPF user plane function
  • the control plane entity may manage non-access stratum (NAS) functions such as mobility, authentication, and bearer management for the UEs 115 served by the base stations 105 associated with the core network 130.
  • NAS non-access stratum
  • User IP packets may be transferred through the user plane entity, which may provide IP address allocation as well as other functions.
  • the user plane entity may be connected to IP services 150 for one or more network operators.
  • the IP services 150 may include access to the Internet, Intranet (s) , an IP Multimedia Subsystem (IMS) , or a Packet-Switched Streaming Service.
  • Some of the network devices may include subcomponents such as an access network entity 140, which may be an example of an access node controller (ANC) .
  • Each access network entity 140 may communicate with the UEs 115 through one or more other access network transmission entities 145, which may be referred to as radio heads, smart radio heads, or transmission/reception points (TRPs) .
  • Each access network transmission entity 145 may include one or more antenna panels.
  • various functions of each access network entity 140 or base station 105 may be distributed across various network devices (e.g., radio heads and ANCs) or consolidated into a single network device (e.g., a base station 105) .
  • the wireless communications system 100 may operate using one or more frequency bands, sometimes in the range of 300 megahertz (MHz) to 300 gigahertz (GHz) .
  • the region from 300 MHz to 3 GHz is known as the ultra-high frequency (UHF) region or decimeter band because the wavelengths range from approximately one decimeter to one meter in length.
  • UHF waves may be blocked or redirected by buildings and environmental features, but the waves may penetrate structures sufficiently for a macro cell to provide service to the UEs 115 located indoors.
  • the transmission of UHF waves may be associated with smaller antennas and shorter ranges (e.g., less than 100 kilometers) compared to transmission using the smaller frequencies and longer waves of the high frequency (HF) or very high frequency (VHF) portion of the spectrum below 300 MHz.
  • HF high frequency
  • VHF very high frequency
  • the wireless communications system 100 may also operate in a super high frequency (SHF) region using frequency bands from 3 GHz to 30 GHz, also known as the centimeter band, or in an extremely high frequency (EHF) region of the spectrum (e.g., from 30 GHz to 300 GHz) , also known as the millimeter band.
  • SHF super high frequency
  • EHF extremely high frequency
  • the wireless communications system 100 may support millimeter wave (mmW) communications between the UEs 115 and the base stations 105, and EHF antennas of the respective devices may be smaller and more closely spaced than UHF antennas. In some examples, this may facilitate use of antenna arrays within a device.
  • mmW millimeter wave
  • the propagation of EHF transmissions may be subject to even greater atmospheric attenuation and shorter range than SHF or UHF transmissions.
  • the techniques disclosed herein may be employed across transmissions that use one or more different frequency regions, and designated use of bands across these frequency regions may differ by country or regulating body.
  • the wireless communications system 100 may utilize both licensed and unlicensed radio frequency spectrum bands.
  • the wireless communications system 100 may employ License Assisted Access (LAA) , LTE-Unlicensed (LTE-U) radio access technology, or NR technology in an unlicensed band such as the 5 GHz industrial, scientific, and medical (ISM) band.
  • LAA License Assisted Access
  • LTE-U LTE-Unlicensed
  • NR NR technology
  • an unlicensed band such as the 5 GHz industrial, scientific, and medical (ISM) band.
  • devices such as the base stations 105 and the UEs 115 may employ carrier sensing for collision detection and avoidance.
  • operations in unlicensed bands may be based on a carrier aggregation configuration in conjunction with component carriers operating in a licensed band (e.g., LAA) .
  • Operations in unlicensed spectrum may include downlink transmissions, uplink transmissions, P2P transmissions, or D2D transmissions, among other examples.
  • a base station 105 or a UE 115 may be equipped with multiple antennas, which may be used to employ techniques such as transmit diversity, receive diversity, multiple-input multiple-output (MIMO) communications, or beamforming.
  • the antennas of a base station 105 or a UE 115 may be located within one or more antenna arrays or antenna panels, which may support MIMO operations or transmit or receive beamforming.
  • one or more base station antennas or antenna arrays may be co-located at an antenna assembly, such as an antenna tower.
  • antennas or antenna arrays associated with a base station 105 may be located in diverse geographic locations.
  • a base station 105 may have an antenna array with a number of rows and columns of antenna ports that the base station 105 may use to support beamforming of communications with a UE 115.
  • a UE 115 may have one or more antenna arrays that may support various MIMO or beamforming operations.
  • an antenna panel may support radio frequency beamforming for a signal transmitted via an antenna port.
  • the base stations 105 or the UEs 115 may use MIMO communications to exploit multipath signal propagation and increase the spectral efficiency by transmitting or receiving multiple signals via different spatial layers. Such techniques may be referred to as spatial multiplexing.
  • the multiple signals may, for example, be transmitted by the transmitting device via different antennas or different combinations of antennas. Likewise, the multiple signals may be received by the receiving device via different antennas or different combinations of antennas.
  • Each of the multiple signals may be referred to as a separate spatial stream and may carry bits associated with the same data stream (e.g., the same codeword) or different data streams (e.g., different codewords) .
  • Different spatial layers may be associated with different antenna ports used for channel measurement and reporting.
  • MIMO techniques include single-user MIMO (SU-MIMO) , where multiple spatial layers are transmitted to the same receiving device, and multiple-user MIMO (MU-MIMO) , where multiple spatial layers are transmitted to multiple devices.
  • SU-MIMO single-user MIMO
  • Beamforming which may also be referred to as spatial filtering, directional transmission, or directional reception, is a signal processing technique that may be used at a transmitting device or a receiving device (e.g., a base station 105, a UE 115) to shape or steer an antenna beam (e.g., a transmit beam, a receive beam) along a spatial path between the transmitting device and the receiving device.
  • Beamforming may be achieved by combining the signals communicated via antenna elements of an antenna array such that some signals propagating at particular orientations with respect to an antenna array experience constructive interference while others experience destructive interference.
  • the adjustment of signals communicated via the antenna elements may include a transmitting device or a receiving device applying amplitude offsets, phase offsets, or both to signals carried via the antenna elements associated with the device.
  • the adjustments associated with each of the antenna elements may be defined by a beamforming weight set associated with a particular orientation (e.g., with respect to the antenna array of the transmitting device or receiving device, or with respect to some other orientation) .
  • a base station 105 or a UE 115 may use beam sweeping techniques as part of beam forming operations.
  • a base station 105 may use multiple antennas or antenna arrays (e.g., antenna panels) to conduct beamforming operations for directional communications with a UE 115.
  • Some signals e.g., synchronization signals, reference signals, beam selection signals, or other control signals
  • the base station 105 may transmit a signal according to different beamforming weight sets associated with different directions of transmission.
  • Transmissions in different beam directions may be used to identify (e.g., by a transmitting device, such as a base station 105, or by a receiving device, such as a UE 115) a beam direction for later transmission or reception by the base station 105.
  • a transmitting device such as a base station 105
  • a receiving device such as a UE 115
  • a base station 105 or a UE 115 may include one or more phase shifters that the base station 105 or the UE 115 may use for orienting directional communication.
  • a phase shifter may provide a configurable phase shift or phase offset to a corresponding radio frequency signal to be transmitted on a respective antenna element.
  • the settings of each of the one or more phase shifters may be independent meaning that each can be set to provide a desired amount of phase shift or the same amount of phase shift or some other configuration.
  • a modem or other processor may have at least one control line connected to each of the phase shifters and which may be used to configure the phase shifters to provide a desired amounts of phase shift or phase offset between antenna elements.
  • changing or receiving a transmit or receive beam includes adjusting relative phase shifts for signals on different antenna elements.
  • the relative phase shifts may be achieved by the modem adjusting the phase shift of one or more phase shifters.
  • the set of phases for different phase shifters (and corresponding antenna elements) may include the spatial receive parameters or spatial transmit parameters for a respective beam.
  • the spatial parameters may be set before the beginning of the transmitting or receiving.
  • Some signals may be transmitted by a base station 105 in a single beam direction (e.g., a direction associated with the receiving device, such as a UE 115) .
  • the beam direction associated with transmissions along a single beam direction may be determined based on a signal that was transmitted in one or more beam directions.
  • a UE 115 may receive one or more of the signals transmitted by the base station 105 in different directions and may report to the base station 105 an indication of the signal that the UE 115 received with a highest signal quality or an otherwise acceptable signal quality.
  • transmissions by a device may be performed using multiple beam directions, and the device may use a combination of digital precoding or radio frequency beamforming to generate a combined beam for transmission (e.g., from a base station 105 to a UE 115) .
  • the UE 115 may report feedback that indicates precoding weights for one or more beam directions, and the feedback may correspond to a configured number of beams across a system bandwidth or one or more sub-bands.
  • the base station 105 may transmit a reference signal (e.g., a cell-specific reference signal (CRS) , a channel state information reference signal (CSI-RS) ) , which may be precoded or unprecoded.
  • a reference signal e.g., a cell-specific reference signal (CRS) , a channel state information reference signal (CSI-RS)
  • CRS cell-specific reference signal
  • CSI-RS channel state information reference signal
  • the UE 115 may provide feedback for beam selection, which may be a precoding matrix indicator (PMI) or codebook-based feedback (e.g., a multi-panel type codebook, a linear combination type codebook, a port selection type codebook) .
  • PMI precoding matrix indicator
  • codebook-based feedback e.g., a multi-panel type codebook, a linear combination type codebook, a port selection type codebook
  • a UE 115 may employ similar techniques for transmitting signals multiple times in different directions (e.g., for identifying a beam direction for subsequent transmission or reception by the UE 115) or for transmitting a signal in a single direction (e.g., for transmitting data to a receiving device) .
  • a receiving device may try multiple receive configurations (e.g., directional listening) when receiving various signals from the base station 105, such as synchronization signals, reference signals, beam selection signals, or other control signals.
  • receive configurations e.g., directional listening
  • a receiving device may try multiple receive directions by receiving via different antenna subarrays, by processing received signals according to different antenna subarrays, by receiving according to different receive beamforming weight sets (e.g., different directional listening weight sets) applied to signals received at multiple antenna elements of an antenna array, or by processing received signals according to different receive beamforming weight sets applied to signals received at multiple antenna elements of an antenna array, any of which may be referred to as “listening” according to different receive configurations or receive directions.
  • receive beamforming weight sets e.g., different directional listening weight sets
  • a receiving device may use a single receive configuration to receive along a single beam direction (e.g., when receiving a data signal) .
  • the single receive configuration may be aligned in a beam direction determined based on listening according to different receive configuration directions (e.g., a beam direction determined to have a highest signal strength, highest signal-to-noise ratio (SNR) , or otherwise acceptable signal quality based on listening according to multiple beam directions) .
  • SNR signal-to-noise ratio
  • a UE 115 may communicate with one or more other devices (such as one or more base stations 105, one or more transmission and reception points (TRPs) , one or more access nodes, etc. ) using one or more directional beams, which may be referred to herein as any one or more of directional communication beams, transmit beams, or receive beams.
  • the UE 115 may select, configure, or otherwise determine a directional beam to use for communication with the one or more other devices in accordance with one or more TCI states that are configured at or activated for the UE 115.
  • the UE 115 may receive control signaling from a serving base station 105 activating one or more TCI states and such one or more TCI states may each provide beam information (e.g., an indication of a directional beam or an indication of a spatial relation that the UE 115 may use to select a directional beam) for one or more channels over which the UE 115 may communicate.
  • a TCI state may indicate or be associated with quasi-colocation (QCL) information and may provide information relating to a QCL source or other QCL relations between channels or reference signals.
  • QCL quasi-colocation
  • a TCI state may indicate or may provide information to determine a spatial transmit filter of uplink channels or reference signals.
  • a type of the channel or channels for which a TCI state provides beam information may define a type of the TCI state, where the beam information may be a QCL information or a spatial transmit filter information.
  • a first type of TCI state may provide beam information for one or more downlink channels or for one or more downlink reference signals (which may be associated with one or more downlink channels) .
  • a second type of TCI state may provide beam information for one or more uplink channels or for one or more uplink reference signals (which may be associated with one or more uplink channels) .
  • a third type of TCI state may provide beam information for at least one downlink channel (or at least one downlink reference signal) and for at least one uplink channel (or at least one uplink reference signal) .
  • the first type and the second type of TCI states may be referred to herein as separate TCI states (as they provide beam information for downlink and uplink separately) and the third type of TCI state may be referred to herein as a joint TCI state (as it provides beam information for downlink and uplink jointly) .
  • the UE 115 may have or otherwise feature a capability (e.g., an upper limit) for active TCI states and, in some examples, the capability of the UE 115 may be defined in terms of a first number (e.g., a first maximum number or upper limit) of active downlink TCI states and a second number (e.g., a second maximum number or upper limit) of active uplink TCI states.
  • the UE 115 may maintain a separate count for active downlink TCI states and for active uplink TCI states, which may result in ambiguity between the UE 115 and the serving base station 105 when one or more joint TCI states are activated at the UE 115 (as such joint TCI stats may link to both downlink and uplink) .
  • the UE 115 and the serving base station 105 may feature a mapping rule that maps, for the purpose of counting toward the capability of the UE 115, an active joint TCI state as an active downlink TCI state or as an active uplink TCI state, or both.
  • the UE 115 and the serving base station 105 may maintain a similar accounting of active TCI states toward the capability of the UE 115, regardless of whether the active TCI states are separate TCI states or joint TCI states. In this way, the serving base station 105 may avoid indicating more active TCI state than what can be supported by the capability of the UE 115.
  • FIG. 2 illustrates an example of a wireless communications system 200 that supports techniques for counting active joint TCI states toward a UE capability in accordance with aspects of the present disclosure.
  • the wireless communications system 200 may implement aspects of the wireless communications system 100.
  • the wireless communications system 200 may illustrate communication between a UE 115-a and a base station 105-a, which may be examples of corresponding devices described herein, including with reference to FIG. 1.
  • the UE 115-a and the base station 105-a may implement a same counting procedure or rule according to which the UE 115-a and the base station 105-a may count active joint TCI states toward a capability 215 of the UE 115-a.
  • the UE 115-a may receive an indication from the base station 105-a of one or more TCI states (e.g., unified TCI states or within a unified TCI state framework) of varying TCI state types, where different types of TCI states may refer to TCI states that provide beam information (e.g., an indication of a directional beam or an indication of a spatial relation associated with a directional beam) for different quantities of channels or for different types of channels, or both.
  • a first type of TCI state may be associated with a TCI state that indicates a common beam for at least one downlink channel or downlink reference signal and at least one uplink channel or uplink reference signal.
  • Such a first type of TCI state may be referred to herein as a joint TCI state as it provides beam information for uplink and downlink jointly.
  • a second type of TCI state may be associated with a TCI state that indicates a common beam for at least two downlink channels or downlink reference signals (and not for any uplink channels or uplink reference signals) . Such a second type of TCI state may be referred to herein as a separate downlink common TCI state.
  • a third type of TCI state may be associated with a TCI state that indicates a common beam for at least two uplink channels or uplink reference signals (and not for any downlink channels or downlink reference signals) . Such a third type of TCI state may be referred to herein as a separate uplink common TCI state.
  • a fourth type of TCI state may be associated with a TCI state that indicates a beam for a single downlink channel or downlink reference signal. Such a fourth type of TCI state may be referred to herein as a separate downlink single channel/reference signal TCI state.
  • a fifth type of TCI state may be associated with a TCI state that indicates a beam for a single uplink channel or uplink reference signal. Such a fifth type of TCI state may be referred to herein as a separate uplink single channel/reference signal TCI state.
  • the UE 115-a and the base station 105-a may employ one or more of various signaling mechanisms or designs for indicating, configuring, or activating joint TCI states (e.g., any TCI state providing beam information across downlink and uplink) and separate TCI states (e.g., any TCI state providing beam information that is either downlink-specific or uplink-specific) .
  • the UE 115-a may receive control signaling 220 from the base station 105-a over a communication link 210 (e.g., a downlink) including a dynamic indication of either joint downlink/uplink TCI states or separate downlink/uplink TCI states.
  • the base station 105-a may transmit such a dynamic indication (e.g., activation) of either joint downlink/uplink TCI states or separate downlink/uplink TCI states via downlink control information (DCI) .
  • DCI downlink control information
  • the UE 115-a may receive the control signaling 220 configuring either joint downlink/uplink TCI states or separate downlink/uplink TCI states via radio resource control (RRC) signaling. Additionally or alternatively, the UE 115-a may receive the control signaling 220 configuring either joint downlink/uplink TCI states or separate downlink/uplink TCI states, or both, via RRC signaling. Additionally or alternatively, the UE 115-a may receive the control signaling 220 configuring either joint downlink/uplink TCI states or separate downlink/uplink TCI states via medium access control (MAC) control element (MAC-CE) signaling (e.g., via a MAC-CE) .
  • MAC medium access control
  • MAC-CE medium access control element
  • the UE 115-a and the base station 105-a may exchange the control signaling indicating or configuring joint TCI states or separate TCI states, or both, in a dynamic manner (e.g., via DCI or a MAC-CE) . Accordingly, in such scenarios, active TCI states at the UE 115-a may switch between joint TCI states and separate TCI states in a similarly dynamic manner. In some cases, however, the UE 115-a may feature a capability 215 (e.g., an upper limit) for a supported maximum number of active TCI states.
  • a capability 215 e.g., an upper limit
  • the UE 115-a may report the capability 215 to the base station 105-a over a communication link 205 (e.g., an uplink) and the capability 215 may include the separate UE capabilities for a first supported number of active downlink TCI states and a second supported number of active uplink TCI states (e.g., active spatial relation information or spatial transmit filter for uplink) .
  • the capability 215 indicating the first number (e.g., the first maximum number or first upper limit) of active downlink TCI states and the second number (e.g., the second maximum number or second upper limit) may not include a number (e.g., a maximum number or an upper limit) of joint TCI states.
  • the UE 115-a may separately count downlink active beams and uplink active beams and may count any activated separate TCI states toward one of the active downlink TCI state capability of the UE 115-a or the active uplink TCI state capability of the UE 115-a, but the UE 115-a may be unaware of or otherwise lack a configured rule for how to count any active joint TCI states toward the capability of the UE 115-a (as such joint TCI states may be associated with both uplink and downlink) .
  • the UE 115-a may not report the capability 215 dynamically (e.g., reporting may be static or semi-static) , such that the UE 115-a may be unable to update the capability 215 to include a capability for joint TCI states as often as the UE 115-a may be configured to switch between joint TCI states and separate TCI states (e.g., as such a switch may be indicated by relatively more dynamic MAC-CE or DCI signaling) .
  • the UE 115-a and the base station 105-a may use a configured mapping rule that maps the reported capability 215 to specific TCI state types such that, using the mapping rule, the UE 115-a and the base station 105-a may leverage the reported capability 215 (e.g., including or indicating the capability for the first number of active downlink TCI states and the second number of active uplink TCI states) for any type of TCI state that may be activated or configured at the UE 115-a.
  • the reported capability 215 e.g., including or indicating the capability for the first number of active downlink TCI states and the second number of active uplink TCI states
  • the mapping may specify (e.g., clarify) how any of the five different types of TCI states map to the reported UE capability 215 (e.g., how they apply or contribute toward the first number of active downlink TCI states or the second number of active uplink TCI states, or both) .
  • the mapping may indicate or specify how the UE 115-a and the base station 105-a count active joint TCI states toward the capability 215 of the UE 115-a.
  • the UE 115-a and the base station 105-a may count any activated joint TCI states as both one active downlink TCI state and one active uplink TCI state, respectively.
  • each active joint TCI state may contribute toward both the first number of active downlink TCI states and the second number of active uplink TCI states (e.g., reducing, by one, a remaining number of TCI states that may be activated at the UE 115-a for both downlink and uplink) .
  • the UE 115-a may be activated with two or fewer joint TCI states.
  • the UE 115-a may be activated with at most one joint TCI state (due to a restriction from the at most one supported uplink TCI state) .
  • the mapping rule may specify that a joint TCI state maps to, in terms of capability, both a downlink TCI state and an uplink TCI state.
  • a counting procedure may be associated with an upper limit of joint TCI states that is less than or equal to a minimum of the first number of active downlink TCI states and the second number of active uplink TCI states.
  • such a counting procedure may be associated with an upper limit of a first total number of joint TCI states and downlink TCI states that is less than or equal to the first number of active downlink TCI states in the capability 215.
  • such a counting procedure may be associated with an upper limit of a second total number of joint TCI states and uplink TCI states that is less than or equal to the second number of active uplink TCI states in the capability 215.
  • the UE 115-a and the base station 105-a may count any activated joint TCI states as either one active downlink TCI state or one active uplink TCI state.
  • each active joint TCI state may contribute toward one of the first number of active downlink TCI states or the second number of active uplink TCI states (and not both) .
  • the upper limit of active joint TCI states that may be activated at the UE 115-a may be equal to the first number of active downlink TCI states reported via the capability 215.
  • the UE 115-a may be activated with at most two joint TCI states if counting active joint TCI states as active downlink TCI states.
  • the mapping rule may specify that a joint TCI state maps to, in terms of capability, a downlink TCI state.
  • such a counting procedure may be associated with an upper limit of joint TCI states that is less than or equal to the first number of active downlink TCI states (considering any other active downlink-specific TCI states) .
  • such a counting procedure may be associated with an upper limit of a first total number of joint TCI states and downlink TCI states that is less than or equal to the first number of active downlink TCI states in the capability 215.
  • the upper limit of active joint TCI states that may be activated at the UE 115-a may be equal to the second number of active uplink TCI states reported via the capability 215. For example, if the UE 115-a reports, via the capability 215, that the UE 115-a is capable of supporting two active TCI states in downlink and one active TCI state in uplink, the UE 115-a may be activated with at most one joint TCI state if counting active joint TCI states as active uplink TCI states.
  • the mapping rule may specify that a joint TCI state maps to, in terms of capability, an uplink TCI state.
  • a counting procedure may be associated with an upper limit of joint TCI states that is less than or equal to the second number of active uplink TCI states (considering any other active uplink-specific TCI states) .
  • such a counting procedure may be associated with an upper limit of a second total number of joint TCI states and uplink TCI states that is less than or equal to the second number of active uplink TCI states in the capability 215.
  • the UE 115-a and the base station 105-a may both obtain a same understanding of an upper limit of joint TCI states that may be active at the UE 115-a at a given time, which may result in improved system coordination and more complete beamforming configurations while avoiding a violation of the capability 215 of the UE 115-a.
  • the UE 115-a and the base station 105-a may communicate in accordance with (e.g., using directional beams indicated by) joint TCI states without impacting UE capability signaling.
  • the mapping rule may be signaled between the UE 115-a and the base station 105-a (e.g., the base station 105-a may signal the mapping rule to the UE 115-a, and such signaling may include DCI, MAC-CE, RRC, or system information) or may be configured (e.g., pre-configured) at both the UE 115-a and the base station 105-a.
  • the mapping rule may be defined in a specification.
  • the UE 115-a and the base station 105-a may implement a single mapping rule (e.g., may regularly count joint TCI states in a same way) or may switch between different mapping rules (e.g., may initially count joint TCI states in a first way and subsequently count joint TCI states in a second way) .
  • a single mapping rule e.g., may regularly count joint TCI states in a same way
  • different mapping rules e.g., may initially count joint TCI states in a first way and subsequently count joint TCI states in a second way
  • the UE 115-a may feature a capability for any number of downlink TCI states and any number of uplink TCI states without exceeding the scope of the present disclosure.
  • FIG. 3 illustrates an example of a process flow 300 that supports techniques for counting active joint TCI states toward a UE capability in accordance with aspects of the present disclosure.
  • the process flow 300 may implement or be implemented to realize aspects of the wireless communications system 100 or the wireless communications system 200.
  • the process flow 300 may illustrate communication between a UE 115-b, a base station 105-b, and a base station 105-c, which may be examples of corresponding devices described herein, including with reference to FIGs. 1 and 2.
  • the UE 115-b and the base station 105-b may implement or follow a configured mapping rule according to which the UE 115-b and the base station 105-b may count active joint TCI states toward a capability of the UE 115-b, which may be reported for downlink and uplink separately.
  • the operations may be performed (e.g., reported or provided) in a different order than the order shown, or the operations performed by the UE 115-b, the base station 105-b, and the base station 105-c may be performed in different orders or at different times.
  • specific operations also may be left out of the process flow 300, or other operations may be added to the process flow 300.
  • some operations or signaling may be shown to occur at different times for discussion purposes, these operations may actually occur at the same time.
  • the UE 115-b may transmit, to the base station 105-b, an indication of a capability of the UE 115-b for a first number of downlink active TCI states and a second number of uplink active TCI states.
  • the first number of downlink active TCI states may be a maximum number or upper limit of active downlink TCI states that the UE 115-b is capable of supporting at a given time.
  • the second number of uplink active TCI states may be a maximum number or upper limit of active uplink TCI states that the UE 115-b is capable of supporting at a given time. Additional details relating to such TCI state capability reporting is described herein, including with reference to FIG. 2.
  • the base station 105-b may count, toward the capability of the UE 115-b, at least one joint TCI state based on a mapping rule associated with the capability of the UE 115-b and the at least one joint TCI state.
  • the mapping rule may indicate or specify how the base station 105-b is to count a joint TCI state.
  • the mapping rule may specify that the base station 105-b is to count, toward the capability of the UE 115-b, a joint TCI state as a downlink TCI state, an uplink TCI state, or both a downlink TCI state and an uplink TCI state.
  • the base station 105-b may perform the counting to avoid violating the capability of the UE and to support system coordination (as the UE 115-b may implement a same counting procedure upon activation of the at least one joint TCI state) . If the base station 105-b determines that the UE 115-b is capable of supporting the at least one joint TCI state (such that the at least one joint TCI state avoids violating or exceeding the capability of the UE 115-b) , the base station 105-b may activate the at least one joint TCI state at the UE 115-b.
  • the base station 105-b may refrain from activating the at least one joint TCI state at the UE 115-b.
  • the UE 115-b may receive, from the base station 105-b, control signaling activating the at least one joint TCI state.
  • control signaling may include DCI, RRC signaling, or a MAC-CE.
  • the UE 115-b may count, toward the capability of the UE 115-b, the at least one activated joint TCI state based on the mapping rule associated with the capability of the UE 115-b and the at least one activated joint TCI state.
  • the mapping rule may indicate or specify how the UE 115-b is to count a joint TCI state.
  • the mapping rule may specify that the UE 115-b is to count, toward the capability of the UE 115-b, a joint TCI state as a downlink TCI state, an uplink TCI state, or both a downlink TCI state and an uplink TCI state.
  • the UE 115-b may communicate with the base station 105-b in accordance with the at least one joint TCI state based on the control signaling activating the at least one joint TCI state and counting the at least one joint TCI state toward the capability of the UE 115-b (e.g., based on determining that the at least one activated joint TCI state avoids violating or exceeding the capability of the UE 115-b) .
  • the UE 115-b may transmit signaling to or receive signaling from the base station 105-b using one or more directional beams in accordance with the beam information provided by the at least one activated joint TCI state.
  • the UE 115-b may additionally, or alternatively, communicate with the base station 105-c based on the control signaling activating the at least one joint TCI state.
  • the UE 115-b may operate in a multi-TRP deployment and may employ directional communication to communicate with both the base station 105-b and the base station 105-c.
  • the UE 115-b may additionally, or alternatively, communicate with the base station 105-c in accordance with the at least one joint TCI state based on the control signaling activating the at least one joint TCI state and counting the at least one joint TCI state toward the capability of the UE 115-b (e.g., based on determining that the at least one activated joint TCI state avoids violating or exceeding the capability of the UE 115-b) .
  • the UE 115-b may transmit signaling to or receive signaling from the base station 105-c using one or more directional beams in accordance with the beam information provided by the at least one activated joint TCI state.
  • the UE 115-b may report a capability for two active downlink TCI states and either one or two active uplink TCI states under multi-TRP operation.
  • FIG. 4 shows a block diagram 400 of a device 405 that supports techniques for counting active joint TCI states toward a UE capability in accordance with aspects of the present disclosure.
  • the device 405 may be an example of aspects of a UE 115 as described herein.
  • the device 405 may include a receiver 410, a transmitter 415, and a communications manager 420.
  • the device 405 may also include a processor. Each of these components may be in communication with one another (e.g., via one or more buses) .
  • the receiver 410 may provide a means for receiving information such as packets, user data, control information, or any combination thereof associated with various information channels (e.g., control channels, data channels, information channels related to techniques for counting active joint TCI states toward a UE capability) . Information may be passed on to other components of the device 405.
  • the receiver 410 may utilize a single antenna or a set of multiple antennas.
  • the transmitter 415 may provide a means for transmitting signals generated by other components of the device 405.
  • the transmitter 415 may transmit information such as packets, user data, control information, or any combination thereof associated with various information channels (e.g., control channels, data channels, information channels related to techniques for counting active joint TCI states toward a UE capability) .
  • the transmitter 415 may be co-located with a receiver 410 in a transceiver module.
  • the transmitter 415 may utilize a single antenna or a set of multiple antennas.
  • the communications manager 420, the receiver 410, the transmitter 415, or various combinations thereof or various components thereof may be examples of means for performing various aspects of techniques for counting active joint TCI states toward a UE capability as described herein.
  • the communications manager 420, the receiver 410, the transmitter 415, or various combinations or components thereof may support a method for performing one or more of the functions described herein.
  • the communications manager 420, the receiver 410, the transmitter 415, or various combinations or components thereof may be implemented in hardware (e.g., in communications management circuitry) .
  • the hardware may include a processor, a digital signal processor (DSP) , an application-specific integrated circuit (ASIC) , a field-programmable gate array (FPGA) or other programmable logic device, a discrete gate or transistor logic, discrete hardware components, or any combination thereof configured as or otherwise supporting a means for performing the functions described in the present disclosure.
  • DSP digital signal processor
  • ASIC application-specific integrated circuit
  • FPGA field-programmable gate array
  • a processor and memory coupled with the processor may be configured to perform one or more of the functions described herein (e.g., by executing, by the processor, instructions stored in the memory) .
  • the communications manager 420, the receiver 410, the transmitter 415, or various combinations or components thereof may be implemented in code (e.g., as communications management software or firmware) executed by a processor. If implemented in code executed by a processor, the functions of the communications manager 420, the receiver 410, the transmitter 415, or various combinations or components thereof may be performed by a general-purpose processor, a DSP, a central processing unit (CPU) , an ASIC, an FPGA, or any combination of these or other programmable logic devices (e.g., configured as or otherwise supporting a means for performing the functions described in the present disclosure) .
  • code e.g., as communications management software or firmware
  • the functions of the communications manager 420, the receiver 410, the transmitter 415, or various combinations or components thereof may be performed by a general-purpose processor, a DSP, a central processing unit (CPU) , an ASIC, an FPGA, or any combination of these or other programmable logic devices (e.g., configured as or otherwise supporting
  • the communications manager 420 may be configured to perform various operations (e.g., receiving, monitoring, transmitting) using or otherwise in cooperation with the receiver 410, the transmitter 415, or both.
  • the communications manager 420 may receive information from the receiver 410, send information to the transmitter 415, or be integrated in combination with the receiver 410, the transmitter 415, or both to receive information, transmit information, or perform various other operations as described herein.
  • the communications manager 420 may support wireless communication at a UE in accordance with examples as disclosed herein.
  • the communications manager 420 may be configured as or otherwise support a means for transmitting, to a base station, an indication of a capability of the UE for a first number of downlink active TCI states and a second number of uplink active TCI states.
  • the communications manager 420 may be configured as or otherwise support a means for receiving, from the base station, control signaling activating at least one joint TCI state, the at least one joint TCI state associated with at least one directional beam that is common for at least one downlink channel and at least one uplink channel.
  • the communications manager 420 may be configured as or otherwise support a means for counting, toward the capability of the UE, the at least one activating joint TCI state based on a mapping rule associated with the capability of the UE and the at least one activated joint TCI state.
  • the communications manager 420 may be configured as or otherwise support a means for communicating with the base station in accordance with the at least one joint TCI state based on the control signaling activating the at least one joint TCI state and the capability of the UE, where the at least one activated joint TCI state is counted toward the capability of the UE based on a mapping rule.
  • the device 405 e.g., a processor controlling or otherwise coupled to the receiver 410, the transmitter 415, the communications manager 420, or a combination thereof
  • the device 405 may support techniques for greater system coordination, reduced processing as a result of following a configured mapping rule, reduced power consumption, and more efficient utilization of communication resources as a result of a greater likelihood for successful communication.
  • FIG. 5 shows a block diagram 500 of a device 505 that supports techniques for counting active joint TCI states toward a UE capability in accordance with aspects of the present disclosure.
  • the device 505 may be an example of aspects of a device 405 or a UE 115 as described herein.
  • the device 505 may include a receiver 510, a transmitter 515, and a communications manager 520.
  • the device 505 may also include a processor. Each of these components may be in communication with one another (e.g., via one or more buses) .
  • the receiver 510 may provide a means for receiving information such as packets, user data, control information, or any combination thereof associated with various information channels (e.g., control channels, data channels, information channels related to techniques for counting active joint TCI states toward a UE capability) . Information may be passed on to other components of the device 505.
  • the receiver 510 may utilize a single antenna or a set of multiple antennas.
  • the transmitter 515 may provide a means for transmitting signals generated by other components of the device 505.
  • the transmitter 515 may transmit information such as packets, user data, control information, or any combination thereof associated with various information channels (e.g., control channels, data channels, information channels related to techniques for counting active joint TCI states toward a UE capability) .
  • the transmitter 515 may be co-located with a receiver 510 in a transceiver module.
  • the transmitter 515 may utilize a single antenna or a set of multiple antennas.
  • the device 505, or various components thereof may be an example of means for performing various aspects of techniques for counting active joint TCI states toward a UE capability as described herein.
  • the communications manager 520 may include a TCI state capability component 525, a TCI state activation component 530, a joint TCI state accounting component 535, a directional communication component 540, or any combination thereof.
  • the communications manager 520 may be an example of aspects of a communications manager 420 as described herein.
  • the communications manager 520, or various components thereof may be configured to perform various operations (e.g., receiving, monitoring, transmitting) using or otherwise in cooperation with the receiver 510, the transmitter 515, or both.
  • the communications manager 520 may receive information from the receiver 510, send information to the transmitter 515, or be integrated in combination with the receiver 510, the transmitter 515, or both to receive information, transmit information, or perform various other operations as described herein.
  • the communications manager 520 may support wireless communication at a UE in accordance with examples as disclosed herein.
  • the TCI state capability component 525 may be configured as or otherwise support a means for transmitting, to a base station, an indication of a capability of the UE for a first number of downlink active TCI states and a second number of uplink active TCI states.
  • the TCI state activation component 530 may be configured as or otherwise support a means for receiving, from the base station, control signaling activating at least one joint TCI state, the at least one joint TCI state associated with at least one directional beam that is common for at least one downlink channel and at least one uplink channel.
  • the joint TCI state accounting component 535 may be configured as or otherwise support a means for counting, toward the capability of the UE, the at least one activated joint TCI state based on a mapping rule associated with the capability of the UE and the at least one activated joint TCI state.
  • the directional communication component 540 may be configured as or otherwise support a means for communicating with the base station in accordance with the at least one joint TCI state based on the control signaling activating the at least one joint TCI state and the capability of the UE, where the at least one activated joint TCI state is counted toward the capability of the UE based on a mapping rule.
  • FIG. 6 shows a block diagram 600 of a communications manager 620 that supports techniques for counting active joint TCI states toward a UE capability in accordance with aspects of the present disclosure.
  • the communications manager 620 may be an example of aspects of a communications manager 420, a communications manager 520, or both, as described herein.
  • the communications manager 620, or various components thereof, may be an example of means for performing various aspects of techniques for counting active joint TCI states toward a UE capability as described herein.
  • the communications manager 620 may include a TCI state capability component 625, a TCI state activation component 630, a joint TCI state accounting component 635, a directional communication component 640, or any combination thereof. Each of these components may communicate, directly or indirectly, with one another (e.g., via one or more buses) .
  • the communications manager 620 may support wireless communication at a UE in accordance with examples as disclosed herein.
  • the TCI state capability component 625 may be configured as or otherwise support a means for transmitting, to a base station, an indication of a capability of the UE for a first number of downlink active TCI states and a second number of uplink active TCI states.
  • the TCI state activation component 630 may be configured as or otherwise support a means for receiving, from the base station, control signaling activating at least one joint TCI state, the at least one joint TCI state associated with at least one directional beam that is common for at least one downlink channel and at least one uplink channel.
  • the joint TCI state accounting component 635 may be configured as or otherwise support a means for counting, toward the capability of the UE, the at least one activated joint TCI state based on a mapping rule associated with the capability of the UE and the at least one activated joint TCI state.
  • the directional communication component 640 may be configured as or otherwise support a means for communicating with the base station in accordance with the at least one joint TCI state based on the control signaling activating the at least one joint TCI state and the capability of the UE, where the at least one activated joint TCI state is counted toward the capability of the UE based on a mapping rule.
  • the joint TCI state accounting component 635 may be configured as or otherwise support a means for counting, toward the capability of the UE, each of the at least one activated joint TCI state as one downlink active TCI state and as one uplink active TCI state.
  • each of the at least one activated joint TCI state may be counted, based on the mapping rule, as one downlink active TCI state and as one uplink active TCI state.
  • the first number of downlink active TCI states is equal to two and the second number of uplink active TCI states is equal to two.
  • an upper limit of active joint TCI states for the UE is equal to two.
  • the first number of downlink active TCI states is equal to two and the second number of uplink active TCI states is equal to one.
  • an upper limit of active joint TCI states for the UE is equal to one.
  • the joint TCI state accounting component 635 may be configured as or otherwise support a means for counting, toward the capability of the UE, each of the at least one activated joint TCI state as one downlink active TCI state. For example, the at least one activated joint TCI state may be counted, based on the mapping rule, as one downlink active TCI state.
  • the first number of downlink active TCI states is equal to two and the second number of uplink active TCI states is equal to one.
  • an upper limit of active joint TCI states for the UE is equal to two.
  • the joint TCI state accounting component 635 may be configured as or otherwise support a means for counting, toward the capability of the UE, each of the at least one activated joint TCI state as one uplink active TCI state. For example, the at least one activated joint TCI state may be counted, based on the mapping rule, as one uplink active TCI state.
  • the first number of downlink active TCI states is equal to two and the second number of uplink active TCI states is equal to one.
  • an upper limit of active joint TCI states for the UE is equal to one.
  • control signaling includes one or more of DCI, RRC signaling, or a MAC-CE.
  • FIG. 7 shows a diagram of a system 700 including a device 705 that supports techniques for counting active joint TCI states toward a UE capability in accordance with aspects of the present disclosure.
  • the device 705 may be an example of or include the components of a device 405, a device 505, or a UE 115 as described herein.
  • the device 705 may communicate wirelessly with one or more base stations 105, UEs 115, or any combination thereof.
  • the device 705 may include components for bi-directional voice and data communications including components for transmitting and receiving communications, such as a communications manager 720, an input/output (I/O) controller 710, a transceiver 715, an antenna 725, a memory 730, code 735, and a processor 740.
  • These components may be in electronic communication or otherwise coupled (e.g., operatively, communicatively, functionally, electronically, electrically) via one or more buses (e.g., a bus 745) .
  • the I/O controller 710 may manage input and output signals for the device 705.
  • the I/O controller 710 may also manage peripherals not integrated into the device 705.
  • the I/O controller 710 may represent a physical connection or port to an external peripheral.
  • the I/O controller 710 may utilize an operating system such as or another known operating system.
  • the I/O controller 710 may represent or interact with a modem, a keyboard, a mouse, a touchscreen, or a similar device.
  • the I/O controller 710 may be implemented as part of a processor, such as the processor 740.
  • a user may interact with the device 705 via the I/O controller 710 or via hardware components controlled by the I/O controller 710.
  • the device 705 may include a single antenna 725. However, in some other cases, the device 705 may have more than one antenna 725, which may be capable of concurrently transmitting or receiving multiple wireless transmissions.
  • the transceiver 715 may communicate bi-directionally, via the one or more antennas 725, wired, or wireless links as described herein.
  • the transceiver 715 may represent a wireless transceiver and may communicate bi-directionally with another wireless transceiver.
  • the transceiver 715 may also include a modem to modulate the packets, to provide the modulated packets to one or more antennas 725 for transmission, and to demodulate packets received from the one or more antennas 725.
  • the transceiver 715 may be an example of a transmitter 415, a transmitter 515, a receiver 410, a receiver 510, or any combination thereof or component thereof, as described herein.
  • the memory 730 may include random access memory (RAM) and read-only memory (ROM) .
  • the memory 730 may store computer-readable, computer-executable code 735 including instructions that, when executed by the processor 740, cause the device 705 to perform various functions described herein.
  • the code 735 may be stored in a non-transitory computer-readable medium such as system memory or another type of memory.
  • the code 735 may not be directly executable by the processor 740 but may cause a computer (e.g., when compiled and executed) to perform functions described herein.
  • the memory 730 may contain, among other things, a basic I/O system (BIOS) which may control basic hardware or software operation such as the interaction with peripheral components or devices.
  • BIOS basic I/O system
  • the processor 740 may include an intelligent hardware device (e.g., a general-purpose processor, a DSP, a CPU, a microcontroller, an ASIC, an FPGA, a programmable logic device, a discrete gate or transistor logic component, a discrete hardware component, or any combination thereof) .
  • the processor 740 may be configured to operate a memory array using a memory controller.
  • a memory controller may be integrated into the processor 740.
  • the processor 740 may be configured to execute computer-readable instructions stored in a memory (e.g., the memory 730) to cause the device 705 to perform various functions (e.g., functions or tasks supporting techniques for counting active joint TCI states toward a UE capability) .
  • the device 705 or a component of the device 705 may include a processor 740 and memory 730 coupled to the processor 740, the processor 740 and memory 730 configured to perform various functions described herein.
  • the communications manager 720 may support wireless communication at a UE in accordance with examples as disclosed herein.
  • the communications manager 720 may be configured as or otherwise support a means for transmitting, to a base station, an indication of a capability of the UE for a first number of downlink active TCI states and a second number of uplink active TCI states.
  • the communications manager 720 may be configured as or otherwise support a means for receiving, from the base station, control signaling activating at least one joint TCI state, the at least one joint TCI state associated with at least one directional beam that is common for at least one downlink channel and at least one uplink channel.
  • communications manager 720 may be configured as or otherwise support a means for counting, toward the capability of the UE, the at least one activating joint TCI state based on a mapping rule associated with the capability of the UE and the at least one activated joint TCI state.
  • the communications manager 720 may be configured as or otherwise support a means for communicating with the base station in accordance with the at least one joint TCI state based on the control signaling activating the at least one joint TCI state and the capability of the UE, where the at least one activated joint TCI state is counted toward the capability of the UE based on a mapping rule.
  • the device 705 may support techniques for improved communication reliability, reduced latency, improved user experience related to reduced processing, reduced power consumption, more efficient utilization of communication resources, improved coordination between devices, longer battery life, and improved utilization of processing capability.
  • the communications manager 720 may be configured to perform various operations (e.g., receiving, monitoring, transmitting) using or otherwise in cooperation with the transceiver 715, the one or more antennas 725, or any combination thereof.
  • the communications manager 720 is illustrated as a separate component, in some examples, one or more functions described with reference to the communications manager 720 may be supported by or performed by the processor 740, the memory 730, the code 735, or any combination thereof.
  • the code 735 may include instructions executable by the processor 740 to cause the device 705 to perform various aspects of techniques for counting active joint TCI states toward a UE capability as described herein, or the processor 740 and the memory 730 may be otherwise configured to perform or support such operations.
  • FIG. 8 shows a block diagram 800 of a device 805 that supports techniques for counting active joint TCI states toward a UE capability in accordance with aspects of the present disclosure.
  • the device 805 may be an example of aspects of a base station 105 as described herein.
  • the device 805 may include a receiver 810, a transmitter 815, and a communications manager 820.
  • the device 805 may also include a processor. Each of these components may be in communication with one another (e.g., via one or more buses) .
  • the receiver 810 may provide a means for receiving information such as packets, user data, control information, or any combination thereof associated with various information channels (e.g., control channels, data channels, information channels related to techniques for counting active joint TCI states toward a UE capability) . Information may be passed on to other components of the device 805.
  • the receiver 810 may utilize a single antenna or a set of multiple antennas.
  • the transmitter 815 may provide a means for transmitting signals generated by other components of the device 805.
  • the transmitter 815 may transmit information such as packets, user data, control information, or any combination thereof associated with various information channels (e.g., control channels, data channels, information channels related to techniques for counting active joint TCI states toward a UE capability) .
  • the transmitter 815 may be co-located with a receiver 810 in a transceiver module.
  • the transmitter 815 may utilize a single antenna or a set of multiple antennas.
  • the communications manager 820, the receiver 810, the transmitter 815, or various combinations thereof or various components thereof may be examples of means for performing various aspects of techniques for counting active joint TCI states toward a UE capability as described herein.
  • the communications manager 820, the receiver 810, the transmitter 815, or various combinations or components thereof may support a method for performing one or more of the functions described herein.
  • the communications manager 820, the receiver 810, the transmitter 815, or various combinations or components thereof may be implemented in hardware (e.g., in communications management circuitry) .
  • the hardware may include a processor, a DSP, an ASIC, an FPGA or other programmable logic device, a discrete gate or transistor logic, discrete hardware components, or any combination thereof configured as or otherwise supporting a means for performing the functions described in the present disclosure.
  • a processor and memory coupled with the processor may be configured to perform one or more of the functions described herein (e.g., by executing, by the processor, instructions stored in the memory) .
  • the communications manager 820, the receiver 810, the transmitter 815, or various combinations or components thereof may be implemented in code (e.g., as communications management software or firmware) executed by a processor. If implemented in code executed by a processor, the functions of the communications manager 820, the receiver 810, the transmitter 815, or various combinations or components thereof may be performed by a general-purpose processor, a DSP, a CPU, an ASIC, an FPGA, or any combination of these or other programmable logic devices (e.g., configured as or otherwise supporting a means for performing the functions described in the present disclosure) .
  • code e.g., as communications management software or firmware
  • the functions of the communications manager 820, the receiver 810, the transmitter 815, or various combinations or components thereof may be performed by a general-purpose processor, a DSP, a CPU, an ASIC, an FPGA, or any combination of these or other programmable logic devices (e.g., configured as or otherwise supporting a means for performing the functions described in the present disclosure)
  • the communications manager 820 may be configured to perform various operations (e.g., receiving, monitoring, transmitting) using or otherwise in cooperation with the receiver 810, the transmitter 815, or both.
  • the communications manager 820 may receive information from the receiver 810, send information to the transmitter 815, or be integrated in combination with the receiver 810, the transmitter 815, or both to receive information, transmit information, or perform various other operations as described herein.
  • the communications manager 820 may support wireless communication at a base station in accordance with examples as disclosed herein.
  • the communications manager 820 may be configured as or otherwise support a means for receiving, from a UE, an indication of a capability of the UE for a first number of downlink active TCI states and a second number of uplink active TCI states.
  • the communications manager 820 may be configured as or otherwise support a means for counting, toward the capability of the UE, at least one joint TCI state based on a mapping rule associated with the capability of the UE and the at least one joint TCI state.
  • the communications manager 820 may be configured as or otherwise support a means for transmitting, to the UE, control signaling activating at least one joint TCI state based on the capability of the UE, where the at least one activated joint TCI state is counted toward the capability of the UE based on a mapping rule, the at least one joint TCI state associated with at least one directional beam that is common for at least one downlink channel and at least one uplink channel.
  • the communications manager 820 may be configured as or otherwise support a means for communicating with the UE in accordance with the at least one joint TCI state based on the control signaling activating the at least one joint TCI state.
  • the device 805 e.g., a processor controlling or otherwise coupled to the receiver 810, the transmitter 815, the communications manager 820, or a combination thereof
  • the device 805 may support techniques for reduced processing as a result of following a configured mapping rule, reduced power consumption, more efficient utilization of communication resources as a result of a greater likelihood for successful communication and greater spectral efficiency.
  • FIG. 9 shows a block diagram 900 of a device 905 that supports techniques for counting active joint TCI states toward a UE capability in accordance with aspects of the present disclosure.
  • the device 905 may be an example of aspects of a device 805 or a base station 105 as described herein.
  • the device 905 may include a receiver 910, a transmitter 915, and a communications manager 920.
  • the device 905 may also include a processor. Each of these components may be in communication with one another (e.g., via one or more buses) .
  • the receiver 910 may provide a means for receiving information such as packets, user data, control information, or any combination thereof associated with various information channels (e.g., control channels, data channels, information channels related to techniques for counting active joint TCI states toward a UE capability) . Information may be passed on to other components of the device 905.
  • the receiver 910 may utilize a single antenna or a set of multiple antennas.
  • the transmitter 915 may provide a means for transmitting signals generated by other components of the device 905.
  • the transmitter 915 may transmit information such as packets, user data, control information, or any combination thereof associated with various information channels (e.g., control channels, data channels, information channels related to techniques for counting active joint TCI states toward a UE capability) .
  • the transmitter 915 may be co-located with a receiver 910 in a transceiver module.
  • the transmitter 915 may utilize a single antenna or a set of multiple antennas.
  • the device 905, or various components thereof may be an example of means for performing various aspects of techniques for counting active joint TCI states toward a UE capability as described herein.
  • the communications manager 920 may include a TCI state capability component 925, a joint TCI state accounting component 930, a TCI state activation component 935, a directional communication component 940, or any combination thereof.
  • the communications manager 920 may be an example of aspects of a communications manager 820 as described herein.
  • the communications manager 920, or various components thereof may be configured to perform various operations (e.g., receiving, monitoring, transmitting) using or otherwise in cooperation with the receiver 910, the transmitter 915, or both.
  • the communications manager 920 may receive information from the receiver 910, send information to the transmitter 915, or be integrated in combination with the receiver 910, the transmitter 915, or both to receive information, transmit information, or perform various other operations as described herein.
  • the communications manager 920 may support wireless communication at a base station in accordance with examples as disclosed herein.
  • the TCI state capability component 925 may be configured as or otherwise support a means for receiving, from a UE, an indication of a capability of the UE for a first number of downlink active TCI states and a second number of uplink active TCI states.
  • the joint TCI state accounting component 930 may be configured as or otherwise support a means for counting, toward the capability of the UE, at least one joint TCI state based on a mapping rule associated with the capability of the UE and the at least one joint TCI state.
  • the TCI state activation component 935 may be configured as or otherwise support a means for transmitting, to the UE, control signaling activating at least one joint TCI state based on the capability of the UE, where the at least one activated joint TCI state is counted toward the capability of the UE based on a mapping rule, the at least one joint TCI state associated with at least one directional beam that is common for at least one downlink channel and at least one uplink channel.
  • the directional communication component 940 may be configured as or otherwise support a means for communicating with the UE in accordance with the at least one joint TCI state based on the control signaling activating the at least one joint TCI state.
  • FIG. 10 shows a block diagram 1000 of a communications manager 1020 that supports techniques for counting active joint TCI states toward a UE capability in accordance with aspects of the present disclosure.
  • the communications manager 1020 may be an example of aspects of a communications manager 820, a communications manager 920, or both, as described herein.
  • the communications manager 1020, or various components thereof may be an example of means for performing various aspects of techniques for counting active joint TCI states toward a UE capability as described herein.
  • the communications manager 1020 may include a TCI state capability component 1025, a joint TCI state accounting component 1030, a TCI state activation component 1035, a directional communication component 1040, or any combination thereof. Each of these components may communicate, directly or indirectly, with one another (e.g., via one or more buses) .
  • the communications manager 1020 may support wireless communication at a base station in accordance with examples as disclosed herein.
  • the TCI state capability component 1025 may be configured as or otherwise support a means for receiving, from a UE, an indication of a capability of the UE for a first number of downlink active TCI states and a second number of uplink active TCI states.
  • the joint TCI state accounting component 1030 may be configured as or otherwise support a means for counting, toward the capability of the UE, at least one joint TCI state based on a mapping rule associated with the capability of the UE and the at least one joint TCI state.
  • the TCI state activation component 1035 may be configured as or otherwise support a means for transmitting, to the UE, control signaling activating at least one joint TCI state based on the capability of the UE, where the at least one activated joint TCI state is counted toward the capability of the UE based on a mapping rule, the at least one joint TCI state associated with at least one directional beam that is common for at least one downlink channel and at least one uplink channel.
  • the directional communication component 1040 may be configured as or otherwise support a means for communicating with the UE in accordance with the at least one joint TCI state based on the control signaling activating the at least one joint TCI state.
  • the joint TCI state accounting component 1030 may be configured as or otherwise support a means for counting, toward the capability of the UE, each of the at least one activated joint TCI state as one downlink active TCI state and as one uplink active TCI state.
  • each of the at least one activated joint TCI state may be counted, based on the mapping rule, as one downlink active TCI state and as one uplink active TCI state.
  • the first number of downlink active TCI states is equal to two and the second number of uplink active TCI states is equal to two.
  • an upper limit of active joint TCI states for the UE is equal to two.
  • the first number of downlink active TCI states is equal to two and the second number of uplink active TCI states is equal to one.
  • an upper limit of active joint TCI states for the UE is equal to one.
  • the joint TCI state accounting component 1030 may be configured as or otherwise support a means for counting, toward the capability of the UE, each of the at least one activated joint TCI state as one downlink active TCI state.
  • the at least one activated joint TCI state may be counted, based on the mapping rule, as one downlink active TCI state.
  • the first number of downlink active TCI states is equal to two and the second number of uplink active TCI states is equal to one.
  • an upper limit of active joint TCI states for the UE is equal to two.
  • the joint TCI state accounting component 1030 may be configured as or otherwise support a means for counting, toward the capability of the UE, each of the at least one activated joint TCI state as one uplink active TCI state. For example, the at least one activated joint TCI state may be counted, based on the mapping rule, as one uplink active TCI state.
  • the first number of downlink active TCI states is equal to two and the second number of uplink active TCI states is equal to one.
  • an upper limit of active joint TCI states for the UE is equal to one.
  • control signaling includes one or more of DCI, RRC signaling, or a MAC-CE.
  • FIG. 11 shows a diagram of a system 1100 including a device 1105 that supports techniques for counting active joint TCI states toward a UE capability in accordance with aspects of the present disclosure.
  • the device 1105 may be an example of or include the components of a device 805, a device 905, or a base station 105 as described herein.
  • the device 1105 may communicate wirelessly with one or more base stations 105, UEs 115, or any combination thereof.
  • the device 1105 may include components for bi-directional voice and data communications including components for transmitting and receiving communications, such as a communications manager 1120, a network communications manager 1110, a transceiver 1115, an antenna 1125, a memory 1130, code 1135, a processor 1140, and an inter-station communications manager 1145.
  • These components may be in electronic communication or otherwise coupled (e.g., operatively, communicatively, functionally, electronically, electrically) via one or more buses (e.g., a bus 1150) .
  • the network communications manager 1110 may manage communications with a core network 130 (e.g., via one or more wired backhaul links) .
  • the network communications manager 1110 may manage the transfer of data communications for client devices, such as one or more UEs 115.
  • the device 1105 may include a single antenna 1125. However, in some other cases the device 1105 may have more than one antenna 1125, which may be capable of concurrently transmitting or receiving multiple wireless transmissions.
  • the transceiver 1115 may communicate bi-directionally, via the one or more antennas 1125, wired, or wireless links as described herein.
  • the transceiver 1115 may represent a wireless transceiver and may communicate bi-directionally with another wireless transceiver.
  • the transceiver 1115 may also include a modem to modulate the packets, to provide the modulated packets to one or more antennas 1125 for transmission, and to demodulate packets received from the one or more antennas 1125.
  • the transceiver 1115 may be an example of a transmitter 815, a transmitter 915, a receiver 810, a receiver 910, or any combination thereof or component thereof, as described herein.
  • the memory 1130 may include RAM and ROM.
  • the memory 1130 may store computer-readable, computer-executable code 1135 including instructions that, when executed by the processor 1140, cause the device 1105 to perform various functions described herein.
  • the code 1135 may be stored in a non-transitory computer-readable medium such as system memory or another type of memory.
  • the code 1135 may not be directly executable by the processor 1140 but may cause a computer (e.g., when compiled and executed) to perform functions described herein.
  • the memory 1130 may contain, among other things, a BIOS which may control basic hardware or software operation such as the interaction with peripheral components or devices.
  • the processor 1140 may include an intelligent hardware device (e.g., a general-purpose processor, a DSP, a CPU, a microcontroller, an ASIC, an FPGA, a programmable logic device, a discrete gate or transistor logic component, a discrete hardware component, or any combination thereof) .
  • the processor 1140 may be configured to operate a memory array using a memory controller.
  • a memory controller may be integrated into the processor 1140.
  • the processor 1140 may be configured to execute computer-readable instructions stored in a memory (e.g., the memory 1130) to cause the device 1105 to perform various functions (e.g., functions or tasks supporting techniques for counting active joint TCI states toward a UE capability) .
  • the device 1105 or a component of the device 1105 may include a processor 1140 and memory 1130 coupled to the processor 1140, the processor 1140 and memory 1130 configured to perform various functions described herein.
  • the inter-station communications manager 1145 may manage communications with other base stations 105, and may include a controller or scheduler for controlling communications with UEs 115 in cooperation with other base stations 105. For example, the inter-station communications manager 1145 may coordinate scheduling for transmissions to UEs 115 for various interference mitigation techniques such as beamforming or joint transmission. In some examples, the inter-station communications manager 1145 may provide an X2 interface within an LTE/LTE-Awireless communications network technology to provide communication between base stations 105.
  • the communications manager 1120 may support wireless communication at a base station in accordance with examples as disclosed herein.
  • the communications manager 1120 may be configured as or otherwise support a means for receiving, from a UE, an indication of a capability of the UE for a first number of downlink active TCI states and a second number of uplink active TCI states.
  • the communications manager 1120 may be configured as or otherwise support a means for counting, toward the capability of the UE, at least one joint TCI state based on a mapping rule associated with the capability of the UE and the at least one joint TCI state.
  • the communications manager 1120 may be configured as or otherwise support a means for transmitting, to the UE, control signaling activating at least one joint TCI state based on the capability of the UE, where the at least one activated joint TCI state is counted toward the capability of the UE based on a mapping rule, the at least one joint TCI state associated with at least one directional beam that is common for at least one downlink channel and at least one uplink channel.
  • the communications manager 1120 may be configured as or otherwise support a means for communicating with the UE in accordance with the at least one joint TCI state based on the control signaling activating the at least one joint TCI state.
  • the device 1105 may support techniques for improved communication reliability, reduced latency, improved user experience related to reduced processing, reduced power consumption, more efficient utilization of communication resources, improved coordination between devices, longer battery life, and improved utilization of processing capability.
  • the communications manager 1120 may be configured to perform various operations (e.g., receiving, monitoring, transmitting) using or otherwise in cooperation with the transceiver 1115, the one or more antennas 1125, or any combination thereof.
  • the communications manager 1120 is illustrated as a separate component, in some examples, one or more functions described with reference to the communications manager 1120 may be supported by or performed by the processor 1140, the memory 1130, the code 1135, or any combination thereof.
  • the code 1135 may include instructions executable by the processor 1140 to cause the device 1105 to perform various aspects of techniques for counting active joint TCI states toward a UE capability as described herein, or the processor 1140 and the memory 1130 may be otherwise configured to perform or support such operations.
  • FIG. 12 shows a flowchart illustrating a method 1200 that supports techniques for counting active joint TCI states toward a UE capability in accordance with aspects of the present disclosure.
  • the operations of the method 1200 may be implemented by a UE or its components as described herein.
  • the operations of the method 1200 may be performed by a UE 115 as described with reference to FIGs. 1 through 7.
  • a UE may execute a set of instructions to control the functional elements of the UE to perform the described functions. Additionally or alternatively, the UE may perform aspects of the described functions using special-purpose hardware.
  • the method may include transmitting, to a base station, an indication of a capability of the UE for a first number of downlink active TCI states and a second number of uplink active TCI states.
  • the operations of 1205 may be performed in accordance with examples as disclosed herein. In some examples, aspects of the operations of 1205 may be performed by a TCI state capability component 625 as described with reference to FIG. 6.
  • the method may include receiving, from the base station, control signaling activating at least one joint TCI state, the at least one joint TCI state associated with at least one directional beam that is common for at least one downlink channel and at least one uplink channel.
  • the operations of 1210 may be performed in accordance with examples as disclosed herein. In some examples, aspects of the operations of 1210 may be performed by a TCI state activation component 630 as described with reference to FIG. 6.
  • the method may include communicating with the base station in accordance with the at least one joint TCI state based on the control signaling activating the at least one joint TCI state and the capability of the UE, where the at least one activated joint TCI state is counted toward the capability of the UE based on a mapping rule.
  • the operations of 1215 may be performed in accordance with examples as disclosed herein. In some examples, aspects of the operations of 1215 may be performed by a directional communication component 640 as described with reference to FIG. 6.
  • FIG. 13 shows a flowchart illustrating a method 1300 that supports techniques for counting active joint TCI states toward a UE capability in accordance with aspects of the present disclosure.
  • the operations of the method 1300 may be implemented by a base station or its components as described herein.
  • the operations of the method 1300 may be performed by a base station 105 as described with reference to FIGs. 1 through 3 and 8 through 11.
  • a base station may execute a set of instructions to control the functional elements of the base station to perform the described functions. Additionally or alternatively, the base station may perform aspects of the described functions using special-purpose hardware.
  • the method may include receiving, from a UE, an indication of a capability of the UE for a first number of downlink active TCI states and a second number of uplink active TCI states.
  • the operations of 1305 may be performed in accordance with examples as disclosed herein. In some examples, aspects of the operations of 1305 may be performed by a TCI state capability component 1025 as described with reference to FIG. 10.
  • the method may include transmitting, to the UE, control signaling activating at least one joint TCI state based on the capability of the UE, where the at least one activated joint TCI state is counted toward the capability of the UE based on a mapping rule, the at least one joint TCI state associated with at least one directional beam that is common for at least one downlink channel and at least one uplink channel.
  • the operations of 1310 may be performed in accordance with examples as disclosed herein. In some examples, aspects of the operations of 1310 may be performed by a TCI state activation component 1035 as described with reference to FIG. 10.
  • the method may include communicating with the UE in accordance with the at least one joint TCI state based on the control signaling activating the at least one joint TCI state.
  • the operations of 1315 may be performed in accordance with examples as disclosed herein. In some examples, aspects of the operations of 1315 may be performed by a directional communication component 1040 as described with reference to FIG. 10.
  • a method for wireless communication at a UE comprising: transmitting, to a base station, an indication of a capability of the UE for a first number of downlink active TCI states and a second number of uplink active TCI states; receiving, from the base station, control signaling activating at least one joint TCI state, the at least one joint TCI state associated with at least one directional beam that is common for at least one downlink channel and at least one uplink channel; communicating with the base station in accordance with the at least one joint TCI state based at least in part on the control signaling activating the at least one joint TCI state and the capability of the UE, wherein the at least one activated joint TCI state is counted toward the capability of the UE based at least in part on a mapping rule.
  • Aspect 2 The method of aspect 1, wherein the at least one activated joint TCI state is counted, based at least in part on the mapping rule, as one downlink active TCI state and as one uplink active TCI state.
  • Aspect 3 The method of aspect 2, wherein the first number of downlink active TCI states is equal to two and the second number of uplink active TCI states is equal to two; and an upper limit of active joint TCI states for the UE is equal to two.
  • Aspect 4 The method of aspect 2, wherein the first number of downlink active TCI states is equal to two and the second number of uplink active TCI states is equal to one; and an upper limit of active joint TCI states for the UE is equal to one.
  • Aspect 5 The method of aspect 1, wherein the at least one activated joint TCI state is counted, based at least in part on the mapping rule, as one downlink active TCI state.
  • Aspect 6 The method of aspect 5, wherein the first number of downlink active TCI states is equal to two and the second number of uplink active TCI states is equal to one; and an upper limit of active joint TCI states for the UE is equal to two.
  • Aspect 7 The method of aspect 1, wherein the at least one activated joint TCI state is counted, based at least in part on the mapping rule, as one uplink active TCI state.
  • Aspect 8 The method of aspect 7, wherein the first number of downlink active TCI states is equal to two and the second number of uplink active TCI states is equal to one; and an upper limit of active joint TCI states for the UE is equal to one.
  • control signaling comprises one or more of DCI, RRC signaling, or a MAC-CE.
  • a method for wireless communication at a base station comprising: receiving, from a UE, an indication of a capability of the UE for a first number of downlink active TCI states and a second number of uplink active TCI states; transmitting, to the UE, control signaling activating at least one joint TCI state based at least in part on the capability of the UE, wherein the at least one activated joint TCI state is counted toward the capability of the UE based at least in part on a mapping rule, the at least one joint TCI state associated with at least one directional beam that is common for at least one downlink channel and at least one uplink channel; and communicating with the UE in accordance with the at least one joint TCI state based at least in part on the control signaling activating the at least one joint TCI state and counting the at least one joint TCI state toward the capability of the UE.
  • Aspect 11 The method of aspect 10, wherein the at least one activated joint TCI state is counted, based at least in part on the mapping rule, as one downlink active TCI state and as one uplink active TCI state.
  • Aspect 12 The method of aspect 11, wherein the first number of downlink active TCI states is equal to two and the second number of uplink active TCI states is equal to two; and an upper limit of active joint TCI states for the UE is equal to two.
  • Aspect 13 The method of aspect 11, wherein the first number of downlink active TCI states is equal to two and the second number of uplink active TCI states is equal to one; and an upper limit of active joint TCI states for the UE is equal to one.
  • Aspect 14 The method of aspect 10, wherein the at least one activated joint TCI state is counted, based at least in part on the mapping rule, as one downlink active TCI state.
  • Aspect 15 The method of aspect 14, wherein the first number of downlink active TCI states is equal to two and the second number of uplink active TCI states is equal to one; and an upper limit of active joint TCI states for the UE is equal to two.
  • Aspect 16 The method of aspect 10, wherein the at least one activated joint TCI state is counted, based at least in part on the mapping rule, as one downlink active TCI state.
  • Aspect 17 The method of aspect 16, wherein the first number of downlink active TCI states is equal to two and the second number of uplink active TCI states is equal to one; and an upper limit of active joint TCI states for the UE is equal to one.
  • control signaling comprises one or more of DCI, RRC signaling, or a MAC-CE.
  • Aspect 19 An apparatus for wireless communication at a UE, comprising a processor; memory coupled with the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform a method of any of aspects 1 through 9.
  • Aspect 20 An apparatus for wireless communication at a UE, comprising at least one means for performing a method of any of aspects 1 through 9.
  • Aspect 21 A non-transitory computer-readable medium storing code for wireless communication at a UE, the code comprising instructions executable by a processor to perform a method of any of aspects 1 through 9.
  • Aspect 22 An apparatus for wireless communication at a base station, comprising a processor; memory coupled with the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform a method of any of aspects 10 through 18.
  • Aspect 23 An apparatus for wireless communication at a base station, comprising at least one means for performing a method of any of aspects 10 through 18.
  • Aspect 24 A non-transitory computer-readable medium storing code for wireless communication at a base station, the code comprising instructions executable by a processor to perform a method of any of aspects 10 through 18.
  • LTE, LTE-A, LTE-A Pro, or NR may be described for purposes of example, and LTE, LTE-A, LTE-A Pro, or NR terminology may be used in much of the description, the techniques described herein are applicable beyond LTE, LTE-A, LTE-A Pro, or NR networks.
  • the described techniques may be applicable to various other wireless communications systems such as Ultra Mobile Broadband (UMB) , Institute of Electrical and Electronics Engineers (IEEE) 802.11 (Wi-Fi) , IEEE 802.16 (WiMAX) , IEEE 802.20, Flash-OFDM, as well as other systems and radio technologies not explicitly mentioned herein.
  • UMB Ultra Mobile Broadband
  • IEEE Institute of Electrical and Electronics Engineers
  • Wi-Fi Institute of Electrical and Electronics Engineers
  • WiMAX IEEE 802.16
  • IEEE 802.20 Flash-OFDM
  • Information and signals described herein may be represented using any of a variety of different technologies and techniques.
  • data, instructions, commands, information, signals, bits, symbols, and chips that may be referenced throughout the description may be represented by voltages, currents, electromagnetic waves, magnetic fields or particles, optical fields or particles, or any combination thereof.
  • a general-purpose processor may be a microprocessor, but in the alternative, the processor may be any processor, controller, microcontroller, or state machine.
  • a processor may also be implemented as a combination of computing devices (e.g., a combination of a DSP and a microprocessor, multiple microprocessors, one or more microprocessors in conjunction with a DSP core, or any other such configuration) .
  • the functions described herein may be implemented in hardware, software executed by a processor, firmware, or any combination thereof. If implemented in software executed by a processor, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Other examples and implementations are within the scope of the disclosure and appended claims. For example, due to the nature of software, functions described herein may be implemented using software executed by a processor, hardware, firmware, hardwiring, or combinations of any of these. Features implementing functions may also be physically located at various positions, including being distributed such that portions of functions are implemented at different physical locations.
  • Computer-readable media includes both non-transitory computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another.
  • a non-transitory storage medium may be any available medium that may be accessed by a general-purpose or special-purpose computer.
  • non-transitory computer-readable media may include RAM, ROM, electrically erasable programmable ROM (EEPROM) , flash memory, compact disk (CD) ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other non-transitory medium that may be used to carry or store desired program code means in the form of instructions or data structures and that may be accessed by a general-purpose or special-purpose computer, or a general-purpose or special-purpose processor.
  • any connection is properly termed a computer-readable medium.
  • the software is transmitted from a website, server, or other remote source using a coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL) , or wireless technologies such as infrared, radio, and microwave
  • the coaxial cable, fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, radio, and microwave are included in the definition of computer-readable medium.
  • Disk and disc include CD, laser disc, optical disc, digital versatile disc (DVD) , floppy disk and Blu-ray disc where disks usually reproduce data magnetically, while discs reproduce data optically with lasers. Combinations of the above are also included within the scope of computer-readable media.
  • determining encompasses a wide variety of actions and, therefore, “determining” can include calculating, computing, processing, deriving, investigating, looking up (such as via looking up in a table, a database or another data structure) , ascertaining and the like. Also, “determining” can include receiving (such as receiving information) , accessing (such as accessing data in a memory) and the like. Also, “determining” can include resolving, selecting, choosing, establishing and other such similar actions.

Landscapes

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

Abstract

L'invention concerne des procédés, des systèmes et des dispositifs pour des communications sans fil. Dans certains systèmes, un équipement utilisateur (UE) peut rapporter, à une station de base, une capacité pour un premier nombre d'états d'indicateurs de configuration de transmissions (TCI) de liaisons descendantes actives et un second nombre d'états de TCI de liaisons montantes actives. Dans certains exemples, la station de base peut transmettre une signalisation de commande à l'UE activant un ou plusieurs états de TCI conjoints, chaque état de TCI conjoints fournissant des informations de faisceau pour au moins un canal de liaison descendante et pour au moins un canal de liaison montante. Pour soutenir la coordination des systèmes, l'UE et la station de base peuvent compter, vers la capacité de l'UE, chacun du ou des états de TCI conjoints activés en tant qu'état de TCI de liaison descendante actif, en tant qu'état de TCI de liaison montante actif, ou à la fois en tant qu'état de TCI de liaison descendante actif et état de TCI de liaison montante actif conformément à une règle de mappage configurée.
PCT/CN2021/096219 2021-05-27 2021-05-27 Techniques de comptage d'états d'indicateurs de configuration de transmissions conjoints actives vers une capacité d'équipement utilisateur WO2022246718A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/096219 WO2022246718A1 (fr) 2021-05-27 2021-05-27 Techniques de comptage d'états d'indicateurs de configuration de transmissions conjoints actives vers une capacité d'équipement utilisateur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/096219 WO2022246718A1 (fr) 2021-05-27 2021-05-27 Techniques de comptage d'états d'indicateurs de configuration de transmissions conjoints actives vers une capacité d'équipement utilisateur

Publications (1)

Publication Number Publication Date
WO2022246718A1 true WO2022246718A1 (fr) 2022-12-01

Family

ID=84229234

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/096219 WO2022246718A1 (fr) 2021-05-27 2021-05-27 Techniques de comptage d'états d'indicateurs de configuration de transmissions conjoints actives vers une capacité d'équipement utilisateur

Country Status (1)

Country Link
WO (1) WO2022246718A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190373450A1 (en) * 2018-06-05 2019-12-05 Qualcomm Incorporated Capability-based determination of a shared data channel tci state
US20200120644A1 (en) * 2018-10-11 2020-04-16 Qualcomm Incorporated Techniques for configuring transmission configuration states in wireless communications
US20200154489A1 (en) * 2018-11-12 2020-05-14 Qualcomm Incorporated Configuring transmission configuration indication states on an initial control resource set
WO2021016980A1 (fr) * 2019-08-01 2021-02-04 Qualcomm Incorporated Techniques d'activation d'états d'indication de configuration de transmission dans des communications sans fil

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190373450A1 (en) * 2018-06-05 2019-12-05 Qualcomm Incorporated Capability-based determination of a shared data channel tci state
US20200120644A1 (en) * 2018-10-11 2020-04-16 Qualcomm Incorporated Techniques for configuring transmission configuration states in wireless communications
US20200154489A1 (en) * 2018-11-12 2020-05-14 Qualcomm Incorporated Configuring transmission configuration indication states on an initial control resource set
WO2021016980A1 (fr) * 2019-08-01 2021-02-04 Qualcomm Incorporated Techniques d'activation d'états d'indication de configuration de transmission dans des communications sans fil

Similar Documents

Publication Publication Date Title
WO2021168645A1 (fr) Techniques de commutation de faisceaux pour transmission en liaison montante
WO2021126381A1 (fr) Candidats de canal de commande de liaison descendante physique associés à des répétitions de canal de commande de liaison descendante physique
US11799604B2 (en) Techniques for adapting a number of tracking reference signal symbols
US11723036B2 (en) Dynamic search spaces
US11627581B2 (en) Rank indicator and layer indicator signaling in non-coherent joint transmission channel state information
US20230292317A1 (en) Signaling of a set of resources to support inter user equipment coordination
US11923946B2 (en) Beam measurement reporting on sidelink channel
US20220385502A1 (en) Managing sounding reference signal repetitions through downlink control information
US11595986B2 (en) Techniques for cross-component carrier scheduling of a joint downlink and uplink transmission configuration indicator state
WO2022246718A1 (fr) Techniques de comptage d'états d'indicateurs de configuration de transmissions conjoints actives vers une capacité d'équipement utilisateur
US11576201B2 (en) Candidate uplink grants for channel access
WO2023087238A1 (fr) Commutation dynamique entre des schémas de communication pour des communications de liaison montante
US11683711B2 (en) Measurement report with nested indexing
US11856572B2 (en) Techniques for intra-message antenna selection diversity
WO2023130421A1 (fr) Commutation de liaison montante pour transmissions simultanées
WO2023193131A1 (fr) Amélioration de planification de signal de référence de sondage apériodique
US20230239841A1 (en) Configured bandwidth part and resource allocation switching
WO2023070518A1 (fr) Prise en considération d'un livre de codes pour adaptation d'antenne dynamique
WO2023039742A1 (fr) Configuration de ressources de canal d'accès aléatoire pour équipement utilisateur à capacité différente
WO2023137657A1 (fr) Considérations de formation de faisceaux à base de livres de codes pour des surfaces reconfigurables
WO2022205052A1 (fr) Charge utile d'informations de commande de liaison montante et ordonnancement pour informations d'état de canal de point de réception de transmission conjointe non cohérente et de transmission unique
US20230036064A1 (en) Configuring uplink control channel spatial relation information for uplink control channel repetitions
WO2023150934A1 (fr) Indication de groupe d'avance temporelle basée sur une indication de configuration de transmission unifiée
WO2023035174A1 (fr) Techniques de rétroaction des informations sur l'état des canaux avec déploiement de panneaux hétérogènes
WO2022087948A1 (fr) Techniques pour mappage de ressources de signal de référence de sondage

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21942298

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21942298

Country of ref document: EP

Kind code of ref document: A1