WO2024040366A1 - Rapport de couche 1 capturant de multiples occasions de domaine temporel - Google Patents

Rapport de couche 1 capturant de multiples occasions de domaine temporel Download PDF

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Publication number
WO2024040366A1
WO2024040366A1 PCT/CN2022/113814 CN2022113814W WO2024040366A1 WO 2024040366 A1 WO2024040366 A1 WO 2024040366A1 CN 2022113814 W CN2022113814 W CN 2022113814W WO 2024040366 A1 WO2024040366 A1 WO 2024040366A1
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WO
WIPO (PCT)
Prior art keywords
time domain
layer
signal parameter
channel measurement
report
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PCT/CN2022/113814
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English (en)
Inventor
Qiaoyu Li
Hamed Pezeshki
Mahmoud Taherzadeh Boroujeni
Tao Luo
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Qualcomm Incorporated
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Publication date
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Priority to PCT/CN2022/113814 priority Critical patent/WO2024040366A1/fr
Publication of WO2024040366A1 publication Critical patent/WO2024040366A1/fr

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    • 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
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • 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
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated

Definitions

  • the technology discussed below relates generally to wireless communication devices in a wireless communication network and, more particularly, to layer-1 (L1) reports that may capture data related to multiple time domain occasions.
  • L1 layer-1
  • beam management processes may make use of measurements of reference signals obtained from user equipment to optimize the beams used to communicate between a network entity and the user equipment. Values representative of these measurements may be conveyed to the network entity within, for example, layer-1 (L1) (e.g., physical layer) reports.
  • L1 layer-1
  • predictions may be made by the network entity or by the user equipment using the values included in the L1 reports, and/or other reports.
  • a network entity in one example, includes a memory and a processor coupled to the memory.
  • the processor is configured to transmit a configuration message that includes a first configuration for reporting a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a first maximum value among other layer-1 signal parameter values associated with other channel measurement resources among the plurality of time domain occasions, and receive a report in accordance with the first configuration.
  • a method of communication at a network entity within a communications network includes transmitting a configuration message that includes a first configuration for reporting a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a first maximum value among other layer-1 signal parameter values associated with other channel measurement resources among the plurality of time domain occasions, and receiving a report in accordance with the first configuration.
  • a network entity in another example, includes means for transmitting a configuration message that includes a first configuration for reporting a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a first maximum value among other layer-1 signal parameter values associated with other channel measurement resources among the plurality of time domain occasions, and means for receiving a report in accordance with the first configuration.
  • a computer-readable medium storing computer-executable code.
  • the computer-executable code includes instructions to cause a processor of a network entity to transmit a configuration message that includes a first configuration for reporting a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a first maximum value among other layer-1 signal parameter values associated with other channel measurement resources among the plurality of time domain occasions, and receive a report in accordance with the first configuration.
  • a network entity in another example, includes a memory and a processor coupled to the memory.
  • the processor is configured to transmit a configuration message that includes a first configuration for reporting, in a single report, a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a maximum value among all layer-1 signal parameter values obtained corresponding to all of the one or more channel measurement resources at the first time domain occasion, and in response to there being more than one channel measurement resource at the first time domain occasion, respective second layer-1 signal parameter values corresponding to each of the more than one channel measurement resources at the first time domain occasion, where each of the respective second layer-1 signal parameter values is differentially quantized with respect to the first layer-1 signal parameter value.
  • the processor is also configured to receive the single report in accordance with the first configuration.
  • a method of communication at a network entity within a communications network includes transmitting a configuration message that includes a first configuration for reporting, in a single report, a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a maximum value among all layer-1 signal parameter values obtained corresponding to all of the one or more channel measurement resources at the first time domain occasion, and in response to there being more than one channel measurement resource at the first time domain occasion, respective second layer-1 signal parameter values corresponding to each of the more than one channel measurement resources at the first time domain occasion, where each of the respective second layer-1 signal parameter values is differentially quantized with respect to the first layer-1 signal parameter value.
  • the method also includes receiving the single report in accordance with the first configuration.
  • a network entity in another example, includes means for transmitting a configuration message that includes a first configuration for reporting, in a single report, a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a maximum value among all layer-1 signal parameter values obtained corresponding to all of the one or more channel measurement resources at the first time domain occasion, and in response to there being more than one channel measurement resource at the first time domain occasion, respective second layer-1 signal parameter values corresponding to each of the more than one channel measurement resources at the first time domain occasion, where each of the respective second layer-1 signal parameter values is differentially quantized with respect to the first layer-1 signal parameter value.
  • the network entity also includes means for receiving the single report in accordance with the first configuration.
  • a computer-readable medium storing computer-executable code includes instructions to cause a processor of a network entity to transmit a configuration message that includes a first configuration for reporting, in a single report, a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a maximum value among all layer-1 signal parameter values obtained corresponding to all of the one or more channel measurement resources at the first time domain occasion, and in response to there being more than one channel measurement resource at the first time domain occasion, respective second layer-1 signal parameter values corresponding to each of the more than one channel measurement resources at the first time domain occasion, where each of the respective second layer-1 signal parameter values is differentially quantized with respect to the first layer-1 signal parameter value.
  • the computer-executable code also includes instructions to cause a processor of a network entity to receive the single report in accordance with the first configuration.
  • a user equipment in another example, includes a memory and a processor coupled to the memory.
  • the processor is configured to receive a configuration message that includes a first configuration for reporting a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a first maximum value among other layer-1 signal parameter values associated with other channel measurement resources among the plurality of time domain occasions, and transmit a report in accordance with the first configuration.
  • a method of communication at a user equipment within a communications network includes receiving a configuration message that includes a first configuration for reporting a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a first maximum value among other layer-1 signal parameter values associated with other channel measurement resources among the plurality of time domain occasions, and transmitting a report in accordance with the first configuration.
  • a user equipment in another example includes means for receiving a configuration message that includes a first configuration for reporting a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a first maximum value among other layer-1 signal parameter values associated with other channel measurement resources among the plurality of time domain occasions, and means for transmitting a report in accordance with the first configuration.
  • a computer-readable medium storing computer-executable code.
  • the computer-executable code includes instructions to cause a processor of a user equipment to receive a configuration message that includes a first configuration for reporting a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a first maximum value among other layer-1 signal parameter values associated with other channel measurement resources among the plurality of time domain occasions, and transmit a report in accordance with the first configuration.
  • a user equipment in another example, includes a memory and a processor coupled to the memory.
  • the processor is configured to receive a configuration message that includes a first configuration for reporting, in a single report, a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a maximum value among all layer-1 signal parameter values obtained corresponding to all of the one or more channel measurement resources at the first time domain occasion, and in response to there being more than one channel measurement resource at the first time domain occasion, respective second layer-1 signal parameter values corresponding to each of the more than one channel measurement resources at the first time domain occasion, where each of the respective second layer-1 signal parameter values is differentially quantized with respect to the first layer-1 signal parameter value.
  • the processor is also configured to transmit the single report in accordance with the first configuration.
  • a method of communication at a user equipment within a communications network includes receiving a configuration message that includes a first configuration for reporting, in a single report, a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a maximum value among all layer-1 signal parameter values obtained corresponding to all of the one or more channel measurement resources at the first time domain occasion, and in response to there being more than one channel measurement resource at the first time domain occasion, respective second layer-1 signal parameter values corresponding to each of the more than one channel measurement resources at the first time domain occasion, where each of the respective second layer-1 signal parameter values is differentially quantized with respect to the first layer-1 signal parameter value.
  • the method also includes transmitting the single report in accordance with the first configuration.
  • a user equipment in another example, includes means for receiving a configuration message that includes a first configuration for reporting, in a single report, a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a maximum value among all layer-1 signal parameter values obtained corresponding to all of the one or more channel measurement resources at the first time domain occasion, and in response to there being more than one channel measurement resource at the first time domain occasion, respective second layer-1 signal parameter values corresponding to each of the more than one channel measurement resources at the first time domain occasion, where each of the respective second layer-1 signal parameter values is differentially quantized with respect to the first layer-1 signal parameter value.
  • the user equipment also includes means for transmitting the single report in accordance with the first configuration.
  • a computer-readable medium storing computer-executable code includes instructions to cause a processor of a user equipment to receive a configuration message that includes a first configuration for reporting, in a single report, a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a maximum value among all layer-1 signal parameter values obtained corresponding to all of the one or more channel measurement resources at the first time domain occasion, and in response to there being more than one channel measurement resource at the first time domain occasion, respective second layer-1 signal parameter values corresponding to each of the more than one channel measurement resources at the first time domain occasion, where each of the respective second layer-1 signal parameter values is differentially quantized with respect to the first layer-1 signal parameter value.
  • the computer-executable code also includes instructions to cause the processor of a user equipment to transmit the single report in accordance with the first configuration.
  • FIG. 1 is a schematic illustration of a wireless communication system according to some aspects of the disclosure.
  • FIG. 2 is a schematic illustration of an example of a radio access network (RAN) according to some aspects of the disclosure.
  • RAN radio access network
  • FIG. 3 is an expanded view of an exemplary subframe, showing an orthogonal frequency divisional multiplexing (OFDM) resource grid according to some aspects of the disclosure.
  • OFDM orthogonal frequency divisional multiplexing
  • FIG. 4 is a diagram illustrating an example of communication between a network entity and a user equipment using beamformed signals according to some aspects of the disclosure.
  • FIG. 5 is a signaling diagram illustrating exemplary signaling between a user equipment and a network entity for channel state information reporting according to some aspects of the disclosure.
  • FIG. 6 illustrates an exemplary reference signal configuration to support different report/measurement configurations according to some aspects of the disclosure.
  • FIG. 7 is a schematic representation of a reporting scheme according to some aspects of the disclosure.
  • FIG. 8 is a schematic representation of a reporting scheme according to some aspects of the disclosure.
  • FIG. 9 is a schematic representation of a reporting scheme according to some aspects of the disclosure.
  • FIG. 10 is a block diagram illustrating an example of a hardware implementation of a network entity employing a processing system according to some aspects of the disclosure.
  • FIG. 11 is a flow chart illustrating an exemplary process at a network entity according to some aspects of the disclosure.
  • FIG. 12 is a flow chart illustrating an exemplary process at a network entity according to some aspects of the disclosure.
  • FIG. 13 is a block diagram illustrating an example of a hardware implementation of a user equipment employing a processing system according to some aspects of the disclosure.
  • FIG. 14 is a flow chart illustrating an exemplary process at a user equipment according to some aspects of the disclosure.
  • FIG. 15 is a flow chart illustrating an exemplary process at a user equipment according to some aspects of the disclosure.
  • FIG. 16 is a diagram providing a high-level illustration of one example of a configuration of a disaggregated base station according to some aspects of the disclosure.
  • Implementations may range a spectrum from chip-level or modular components to non-modular, non-chip-level implementations and further to aggregate, distributed, or original equipment manufacturer (OEM) devices or systems incorporating one or more aspects of the described innovations.
  • devices incorporating described aspects and features may also necessarily include additional components and features for implementation and practice of claimed and described examples.
  • transmission and reception of wireless signals necessarily includes a number of components for analog and digital purposes (e.g., hardware components including antenna, radio frequency (RF) -chains, power amplifiers, modulators, buffer, processor (s) , interleaver, adders/summers, etc. ) .
  • Described herein are apparatus and methods directed toward configurations of Layer-1 (L1) reports that may be used to report L1 signal parameters corresponding to multiple time domain occasions in a single report.
  • L1 Layer-1
  • the various concepts presented throughout this disclosure may be implemented across a broad variety of telecommunication systems, network architectures, and communication standards.
  • the wireless communication system 100 includes three interacting domains: a core network 102, a radio access network (RAN) 104, and a user equipment (UE) 106.
  • the UE 106 may be enabled to carry out data communication with an external data network 110, such as (but not limited to) the Internet.
  • the RAN 104 may implement any suitable wireless communication technology or technologies to provide radio access to the UE 106.
  • the RAN 104 may operate according to 3rd Generation Partnership Project (3GPP) New Radio (NR) specifications, often referred to as 5G.
  • 3GPP 3rd Generation Partnership Project
  • NR New Radio
  • the RAN 104 may operate under a hybrid of 5G NR and Evolved Universal Terrestrial Radio Access Network (eUTRAN) standards, often referred to as Long Term Evolution (LTE) .
  • eUTRAN Evolved Universal Terrestrial Radio Access Network
  • LTE Long Term Evolution
  • the 3GPP refers to this hybrid RAN as a next-generation RAN, or NG-RAN.
  • NG-RAN next-generation RAN
  • the RAN 104 includes a plurality of network entities 108 (e.g., base stations, gNBs, TRPs, scheduling entities) .
  • a network entity may be implemented in an aggregated or monolithic base station architecture, or alternatively, in a disaggregated base station architecture, and may include one or more of a central unit (CU) , a distributed unit (DU) , a radio unit (RU) , a Near-Real Time (Near-RT) RAN Intelligent Controller (RIC) , or a Non-Real Time (Non-RT) RIC.
  • a network entity may be a network element in a radio access network responsible for radio transmission and reception in one or more cells to or from a UE.
  • a network entity may variously be referred to by those skilled in the art as a base transceiver station (BTS) , a radio base station, a radio transceiver, a transceiver function, a basic service set (BSS) , an extended service set (ESS) , an access point (AP) , a Node B (NB) , an eNode B (eNB) , a gNode B (gNB) , a transmission and reception point (TRP) , or some other suitable terminology.
  • a network entity may include two or more TRPs that may be collocated or non-collocated.
  • Each TRP may communicate on the same or different carrier frequency within the same or different frequency band.
  • the RAN 104 operates according to both the LTE and 5G NR standards, one of the network entities may be an LTE network entity, while another network entity may be a 5G NR network entity.
  • the RAN 104 is further illustrated supporting wireless communication for multiple mobile apparatuses.
  • a mobile apparatus may be referred to as user equipment (UE) in 3GPP standards, but may also be referred to by those skilled in the art as a mobile station (MS) , a subscriber station, a mobile unit, a subscriber unit, a wireless unit, a remote unit, a mobile device, a wireless device, a wireless communication device, a remote device, a mobile subscriber station, an access terminal (AT) , a mobile terminal, a wireless terminal, a remote terminal, a handset, a terminal, a user agent, a mobile client, a client, or some other suitable terminology.
  • a UE may be an apparatus (e.g., a mobile apparatus) that provides a user with access to network services.
  • a “mobile” apparatus need not necessarily have a capability to move and may be stationary.
  • the term mobile apparatus or mobile device broadly refers to a diverse array of devices and technologies.
  • UEs may include a number of hardware structural components sized, shaped, and arranged to help in communication; such components can include antennas, antenna arrays, RF-chains, amplifiers, one or more processors, etc. electrically coupled to each other.
  • a mobile apparatus examples include a mobile, a cellular (cell) phone, a smart phone, a session initiation protocol (SIP) phone, a laptop, a personal computer (PC) , a notebook, a netbook, a smartbook, a tablet, a personal digital assistant (PDA) , and a broad array of embedded systems, e.g., corresponding to an “Internet of Things” (IoT) .
  • IoT Internet of Things
  • a mobile apparatus may additionally be an automotive or other transportation vehicle, a remote sensor or actuator, a robot or robotics device, a satellite radio, a global positioning system (GPS) device, an object tracking device, a drone, a multi-copter, a quad-copter, a remote control device, a consumer and/or wearable device, such as eyewear, a wearable camera, a virtual reality device, a smart watch, a health or fitness tracker, a digital audio player (e.g., MP3 player) , a camera, a game console, etc.
  • GPS global positioning system
  • a mobile apparatus may additionally be a digital home or smart home device such as a home audio, video, and/or multimedia device, an appliance, a vending machine, intelligent lighting, a home security system, a smart meter, etc.
  • a mobile apparatus may additionally be a smart energy device, a security device, a solar panel or solar array, a municipal infrastructure device controlling electric power (e.g., a smart grid) , lighting, water, etc., an industrial automation and enterprise device, a logistics controller, and/or agricultural equipment, etc.
  • a mobile apparatus may provide for connected medicine or telemedicine support, e.g., health care at a distance.
  • Telehealth devices may include telehealth monitoring devices and telehealth administration devices, whose communication may be given preferential treatment or prioritized access over other types of information, e.g., in terms of prioritized access for transport of critical service data, and/or relevant QoS for transport of critical service data.
  • Wireless communication between the RAN 104 and the UE 106 may be described as utilizing an air interface.
  • Transmissions over the air interface from a network entity (e.g., network entity 108) to one or more UEs (e.g., similar to UE 106) may be referred to as downlink (DL) transmission.
  • the term downlink may refer to a point-to-multipoint transmission originating at a network entity (e.g., network entity 108) . Another way to describe this scheme may be to use the term broadcast channel multiplexing.
  • Transmissions from a UE (e.g., UE 106) to a network entity (e.g., network entity 108) may be referred to as uplink (UL) transmissions.
  • the term uplink may refer to a point-to-point transmission originating at a UE (e.g., UE 106) .
  • access to the air interface may be scheduled, where a scheduling entity (e.g., a network entity 108) allocates resources for communication among some or all devices and equipment within its service area or cell.
  • a scheduling entity e.g., a network entity 108 allocates resources for communication among some or all devices and equipment within its service area or cell.
  • the scheduling entity may be responsible for scheduling, assigning, reconfiguring, and releasing resources for one or more scheduled entities (e.g., UEs 106) . That is, for scheduled communication, a plurality of UEs 106, which may be scheduled entities, may utilize resources allocated by the scheduling entity 108.
  • Network entities 108 are not the only entities that may function as scheduling entities. That is, in some examples, a UE may function as a scheduling entity, scheduling resources for one or more scheduled entities (e.g., one or more other UEs) . For example, UEs may communicate directly with other UEs in a peer-to-peer or device-to-device fashion and/or in a relay configuration.
  • a scheduling entity 108 may broadcast downlink traffic 112 to one or more scheduled entities (e.g., one or more UEs 106) .
  • the scheduling entity 108 is a node or device responsible for scheduling traffic in a wireless communication network, including the downlink traffic 112 and, in some examples, uplink traffic 116 from one or more scheduled entities (e.g., one or more UEs 106) to the scheduling entity 108.
  • the scheduled entity (e.g., a UE 106) is a node or device that receives downlink control information 114, including but not limited to scheduling information (e.g., a grant) , synchronization or timing information, or other control information from another entity in the wireless communication network such as the scheduling entity 108.
  • the scheduled entity 106 may further transmit uplink control information 118, including but not limited to a scheduling request or feedback information, or other control information to the scheduling entity 108.
  • the uplink control information 118 and/or downlink control information 114 and/or uplink traffic 116 and/or downlink traffic 112 may be transmitted on a waveform that may be time-divided into frames, subframes, slots, and/or symbols.
  • a symbol may refer to a unit of time that, in an orthogonal frequency division multiplexed (OFDM) waveform, carries one resource element (RE) per sub-carrier.
  • a slot may carry 7 or 14 OFDM symbols.
  • a subframe may refer to a duration of 1 ms. Multiple subframes or slots may be grouped together to form a single frame or radio frame.
  • a frame may refer to a predetermined duration (e.g., 10 ms) for wireless transmissions, with each frame consisting of, for example, 10 subframes of 1 ms each.
  • a predetermined duration e.g. 10 ms
  • each frame consisting of, for example, 10 subframes of 1 ms each.
  • these definitions are not required, and any suitable scheme for organizing waveforms may be utilized, and various time divisions of the waveform may have any suitable duration.
  • network entity 108 may include a backhaul interface for communication with a backhaul portion 120 of the wireless communication system 100.
  • the backhaul portion 120 may provide a link between a network entity 108 and the core network 102.
  • a backhaul network may provide interconnection between the respective network entities 108.
  • Various types of backhaul interfaces may be employed, such as a direct physical connection, a virtual network, or the like using any suitable transport network.
  • the core network 102 may be a part of the wireless communication system 100 and may be independent of the radio access technology used in the RAN 104.
  • the core network 102 may be configured according to 5G standards (e.g., 5G core (5GC) ) .
  • 5G core (5GC) 5G core
  • the core network 102 may be configured according to a 4G evolved packet core (EPC) , or any other suitable standard or configuration.
  • EPC evolved packet core
  • FIG. 2 a schematic illustration of a radio access network (RAN) 200 according to some aspects of the present disclosure is provided.
  • the RAN 200 may be the same as the RAN 104 described above and illustrated in FIG. 1.
  • the geographic region covered by the RAN 200 may be divided into a number of cellular regions (cells) that can be uniquely identified by a user equipment (UE) based on an identification broadcasted over a geographical area from one access point or network entity.
  • FIG. 2 illustrates cells 202, 204, 206, and 208, each of which may include one or more sectors (not shown) .
  • a sector is a sub-area of a cell. All sectors within one cell are served by the same network entity.
  • a radio link within a sector can be identified by a single logical identification belonging to that sector.
  • the multiple sectors within a cell can be formed by groups of antennas with each antenna responsible for communication with UEs in a portion of the cell.
  • FIG. 2 two base stations, base station 210 and base station 212 are shown in cells 202 and 204.
  • a third base station, base station 214 is shown controlling a remote radio head (RRH) 216 in cell 206. That is, a base station can have an integrated antenna or can be connected to an antenna or RRH 216 by feeder cables.
  • RRH remote radio head
  • cells 202, 204, and 206 may be referred to as macrocells, as the base stations 210, 212, and 214 support cells having a large size.
  • a base station 218 is shown in the cell 208, which may overlap with one or more macrocells.
  • the cell 208 may be referred to as a small cell (e.g., a small cell, a microcell, picocell, femtocell, home base station, home Node B, home eNode B, etc. ) , as the base station 218 supports a cell having a relatively small size.
  • Cell sizing can be done according to system design as well as component constraints.
  • the RAN 200 may include any number of network entities (e.g., base stations, gNBs, TRPs, scheduling entities) and cells. Further, a relay node may be deployed to extend the size or coverage area of a given cell.
  • the base stations 210, 212, 214, 218 provide wireless access points to a core network for any number of mobile apparatuses. In some examples, the base stations 210, 212, 214, and/or 218 may be the same as or similar to the scheduling entity 108 described above and illustrated in FIG. 1.
  • FIG. 2 further includes an unmanned aerial vehicle (UAV) 220, which may be a drone or quadcopter.
  • UAV unmanned aerial vehicle
  • the UAV 220 may be configured to function as a base station, or more specifically as a mobile base station. That is, in some examples, a cell may not necessarily be stationary, and the geographic area of the cell may move according to the location of a mobile base station, such as the UAV 220.
  • the cells may include UEs that may be in communication with one or more sectors of each cell.
  • each base station 210, 212, 214, 218, and 220 may be configured to provide an access point to a core network 102 (see FIG. 1) for all the UEs in the respective cells.
  • UEs 222 and 224 may be in communication with base station 210
  • UEs 226 and 228 may be in communication with base station 212
  • UEs 230 and 232 may be in communication with base station 214 by way of RRH 216
  • UE 234 may be in communication with base station 218, and
  • UE 236 may be in communication with mobile base station 220.
  • the UEs 222, 224, 226, 228, 230, 232, 234, 236, 238, 240, and/or 242 may be the same as or similar to the UE/scheduled entity 106 described above and illustrated in FIG. 1.
  • the UAV 220 e.g., the quadcopter
  • the UAV 220 can be a mobile network entity and may be configured to function as a UE.
  • the UAV 220 may operate within cell 202 by communicating with base station 210.
  • sidelink signals may be used between UEs without necessarily relying on scheduling or control information from a base station.
  • Sidelink communication may be utilized, for example, in a device-to-device (D2D) network, peer-to-peer (P2P) network, vehicle-to-vehicle (V2V) network, vehicle-to-everything (V2X) network, and/or other suitable sidelink network.
  • D2D device-to-device
  • P2P peer-to-peer
  • V2V vehicle-to-vehicle
  • V2X vehicle-to-everything
  • the UEs 238, 240, and 242 may each function as a scheduling entity or transmitting sidelink device and/or a scheduled entity or a receiving sidelink device to schedule resources and communicate sidelink signals 237 therebetween without relying on scheduling or control information from a base station.
  • two or more UEs e.g., UEs 226 and 228, within the coverage area of a base station (e.g., base station 212) may also communicate sidelink signals 227 over a direct link (sidelink) without conveying that communication through the base station 212.
  • the base station 212 may allocate resources to the UEs 226 and 228 for the sidelink communication.
  • channel coding may be used. That is, wireless communication may generally utilize a suitable error correcting block code.
  • an information message or sequence is split up into code blocks (CBs) , and an encoder (e.g., a CODEC) at the transmitting device then mathematically adds redundancy to the information message. Exploitation of this redundancy in the encoded information message can improve the reliability of the message, enabling correction for any bit errors that may occur due to the noise.
  • Data coding may be implemented in multiple manners.
  • user data is coded using quasi-cyclic low-density parity check (LDPC) with two different base graphs: one base graph is used for large code blocks and/or high code rates, while the other base graph is used otherwise.
  • Control information and the physical broadcast channel (PBCH) are coded using Polar coding, based on nested sequences. For these channels, puncturing, shortening, and repetition are used for rate matching.
  • PBCH physical broadcast channel
  • aspects of the present disclosure may be implemented utilizing any suitable channel code.
  • Various implementations of base stations and UEs may include suitable hardware and capabilities (e.g., an encoder, a decoder, and/or a CODEC) to utilize one or more of these channel codes for wireless communication.
  • suitable hardware and capabilities e.g., an encoder, a decoder, and/or a CODEC
  • the ability of UEs to communicate while moving, independent of their location is referred to as mobility.
  • the various physical channels between the UE and the RAN 200 are generally set up, maintained, and released under the control of an access and mobility management function (AMF) .
  • AMF access and mobility management function
  • the AMF may include a security context management function (SCMF) and a security anchor function (SEAF) that performs authentication.
  • SCMF security context management function
  • SEAF security anchor function
  • the SCMF can manage, in whole or in part, the security context for both the control plane and the user plane functionality.
  • the RAN 200 may utilize DL-based mobility or UL-based mobility to enable mobility and handovers (i.e., the transfer of a UE’s connection from one radio channel to another) .
  • a UE may monitor various parameters of the signal from its serving cell as well as various parameters of neighboring cells. Depending on the quality of these parameters, the UE may maintain communication with one or more of the neighboring cells.
  • the UE may undertake a handoff or handover from the serving cell to the neighboring (target) cell.
  • the UE 224 may move from the geographic area corresponding to its serving cell 202 to the geographic area corresponding to a neighbor cell 206.
  • the UE 224 may transmit a reporting message to its serving base station 210 indicating this condition.
  • the UE 224 may receive a handover command, and the UE may undergo a handover to the cell 206.
  • UL reference signals from each UE may be utilized by the network to select a serving cell for each UE.
  • the base stations 210, 212, and 214/216 may broadcast unified synchronization signals (e.g., unified Primary Synchronization Signals (PSSs) , unified Secondary Synchronization Signals (SSSs) and unified Physical Broadcast Channels (PBCHs) ) .
  • PSSs Primary Synchronization Signals
  • SSSs unified Secondary Synchronization Signals
  • PBCHs Physical Broadcast Channels
  • the UEs 222, 224, 226, 228, 230, and 232 may receive the unified synchronization signals, derive the carrier frequency, and slot timing from the synchronization signals, and in response to deriving timing, transmit an uplink pilot or reference signal.
  • the uplink pilot signal transmitted by a UE may be concurrently received by two or more cells (e.g., base stations 210 and 214/216) within the RAN 200.
  • Each of the cells may measure a strength of the pilot signal, and the radio access network (e.g., one or more of the base stations 210 and 214/216 and/or a central node within the core network) may determine a serving cell for the UE 224.
  • the radio access network e.g., one or more of the base stations 210 and 214/216 and/or a central node within the core network
  • the RAN 200 may continue to monitor the uplink pilot signal transmitted by the UE 224.
  • the RAN 200 may handover the UE 224 from the serving cell to the neighboring cell, with or without informing the UE 224.
  • the synchronization signal transmitted by the base stations 210, 212, and 214/216 may be unified, the synchronization signal may not identify a particular cell, but rather may identify a zone of multiple cells operating on the same frequency and/or with the same timing.
  • the use of zones in 5G networks or other next generation communication networks enables the uplink-based mobility framework and improves the efficiency of both the UE and the network, since the number of mobility messages that need to be exchanged between the UE and the network may be reduced.
  • the air interface in the radio access network 200 may utilize licensed spectrum, unlicensed spectrum, or shared spectrum.
  • Licensed spectrum provides for exclusive use of a portion of the spectrum, generally by virtue of a mobile network operator purchasing a license from a government regulatory body.
  • Unlicensed spectrum provides for shared use of a portion of the spectrum without need for a government-granted license. While compliance with some technical rules is generally still required to access unlicensed spectrum, generally, any operator or device may gain access.
  • Shared spectrum may fall between licensed and unlicensed spectrum, where technical rules or limitations may be required to access the spectrum, but the spectrum may still be shared by multiple operators and/or multiple RATs.
  • the holder of a license for a portion of licensed spectrum may provide licensed shared access (LSA) to share that spectrum with other parties, e.g., with suitable licensee-determined conditions to gain access.
  • LSA licensed shared access
  • FR1 frequency range designations FR1 (410 MHz –7.125 GHz) and FR2 (24.25 GHz –52.6 GHz) . It should be understood that although a portion of FR1 is greater than 6 GHz, FR1 is often referred to (interchangeably) as a “Sub-6 GHz” band in various documents and articles.
  • FR2 which is often referred to (interchangeably) as a “millimeter wave” band in documents and articles, despite being different from the extremely high frequency (EHF) band (30 GHz –300 GHz) which is identified by the International Telecommunications Union (ITU) as a “millimeter wave” band.
  • EHF extremely high frequency
  • ITU International Telecommunications Union
  • FR3 7.125 GHz –24.25 GHz
  • FR3 7.125 GHz –24.25 GHz
  • Frequency bands falling within FR3 may inherit FR1 characteristics and/or FR2 characteristics, and thus may effectively extend features of FR1 and/or FR2 into the mid-band frequencies.
  • higher frequency bands are currently being explored to extend 5G NR operation beyond 52.6 GHz.
  • FR4-a or FR4-1 52.6 GHz –71 GHz
  • FR4 52.6 GHz –114.25 GHz
  • FR5 114.25 GHz –300 GHz
  • sub-6 GHz or the like if used herein may broadly represent frequencies that may be less than 6 GHz, may be within FR1, or may include mid-band frequencies.
  • millimeter wave or the like if used herein may broadly represent frequencies that may be within FR2, FR4, FR4-a or FR4-1, and/or FR5, or may be within the EHF band.
  • Devices communicating in the radio access network 200 may utilize one or more multiplexing techniques and multiple access algorithms to enable simultaneous communication of the various devices.
  • 5G NR specifications provide multiple access for UL transmissions from UEs 222 and 224 to base station 210, and for multiplexing for DL transmissions from base station 210 to one or more UEs 222 and 224, utilizing orthogonal frequency division multiplexing (OFDM) with a cyclic prefix (CP) .
  • OFDM orthogonal frequency division multiplexing
  • CP cyclic prefix
  • 5G NR specifications provide support for discrete Fourier transform-spread-OFDM (DFT-s-OFDM) with a CP (also referred to as single-carrier FDMA (SC-FDMA) ) .
  • DFT-s-OFDM discrete Fourier transform-spread-OFDM
  • SC-FDMA single-carrier FDMA
  • multiplexing and multiple access are not limited to the above schemes, and may be provided utilizing time division multiple access (TDMA) , code division multiple access (CDMA) , frequency division multiple access (FDMA) , sparse code multiple access (SCMA) , resource spread multiple access (RSMA) , or other suitable multiple access schemes.
  • multiplexing DL transmissions from the base station 210 to UEs 222 and 224 may be provided utilizing time division multiplexing (TDM) , code division multiplexing (CDM) , frequency division multiplexing (FDM) , orthogonal frequency division multiplexing (OFDM) , sparse code multiplexing (SCM) , or other suitable multiplexing schemes.
  • Duplex refers to a point-to-point communication link where both endpoints can communicate with one another in both directions.
  • Full-duplex means both endpoints can simultaneously communicate with one another.
  • Half-duplex means only one endpoint can send information to the other at a time.
  • Half-duplex emulation is frequently implemented for wireless links utilizing time division duplex (TDD) .
  • TDD transmissions in different directions on a given channel are separated from one another using time division multiplexing. That is, in some scenarios, a channel is dedicated for transmissions in one direction, while at other times the channel is dedicated for transmissions in the other direction, where the direction may change very rapidly, e.g., several times per slot.
  • a full-duplex channel In a wireless link, a full-duplex channel generally relies on physical isolation of a transmitter and receiver, and suitable interference cancellation technologies.
  • Full-duplex emulation is frequently implemented for wireless links by utilizing frequency division duplex (FDD) or spatial division duplex (SDD) .
  • FDD frequency division duplex
  • SDD spatial division duplex
  • transmissions in different directions may operate at different carrier frequencies (e.g., within paired spectrum) .
  • SDD transmissions in different directions on a given channel are separated from one another using spatial division multiplexing (SDM) .
  • full-duplex communication may be implemented within unpaired spectrum (e.g., within a single carrier bandwidth) , where transmissions in different directions occur within different sub-bands of the carrier bandwidth. This type of full-duplex communication may be referred to herein as sub-band full-duplex (SBFD) , also known as flexible duplex.
  • SBFD sub-band full-duplex
  • FIG. 3 an expanded view of an exemplary subframe 302 is illustrated, showing an OFDM resource grid according to some aspects of the disclosure.
  • PHY physical
  • time is in the horizontal direction with units of OFDM symbols; and frequency is in the vertical direction with units of subcarriers of the carrier.
  • the resource grid 304 may be used to schematically represent time–frequency resources for a given antenna port. That is, in a multiple-input-multiple-output (MIMO) implementation with multiple antenna ports available, a corresponding multiple number of resource grids 304 may be available for communication.
  • the resource grid 304 is divided into multiple resource elements (REs) 306.
  • An RE which is 1 subcarrier ⁇ 1 symbol, is the smallest discrete part of the time-frequency grid, and contains a single complex value representing data from a physical channel or signal.
  • each RE may represent one or more bits of information.
  • a block of REs may be referred to as a physical resource block (PRB) or more simply a resource block (RB) 308, which contains any suitable number of consecutive subcarriers in the frequency domain.
  • an RB may include 12 subcarriers, a number independent of the numerology used.
  • an RB may include any suitable number of consecutive OFDM symbols in the time domain.
  • a set of continuous or discontinuous resource blocks may be referred to herein as a Resource Block Group (RBG) , sub-band, or bandwidth part (BWP) .
  • RBG Resource Block Group
  • BWP bandwidth part
  • a set of sub-bands or BWPs may span the entire bandwidth.
  • Scheduling of scheduled entities typically involves scheduling one or more resource elements 306 within one or more sub-bands or bandwidth parts (BWPs) .
  • a UE generally utilizes only a subset of the resource grid 304.
  • an RB may be the smallest unit of resources that can be allocated to a UE.
  • the RBs may be scheduled by a scheduling entity, such as a network entity (e.g., a base station, a gNB, a TRP, a scheduling entity) , or may be self-scheduled by a UE implementing D2D sidelink communication.
  • a scheduling entity such as a network entity (e.g., a base station, a gNB, a TRP, a scheduling entity)
  • a network entity e.g., a base station, a gNB, a TRP, a scheduling entity
  • the RB 308 is shown as occupying less than the entire bandwidth of the subframe 302, with some subcarriers illustrated above and below the RB 308.
  • the subframe 302 may have a bandwidth corresponding to any number of one or more RBs 308.
  • the RB 308 is shown as occupying less than the entire duration of the subframe 302, although this is merely one possible example.
  • Each 1 ms subframe 302 may consist of one or multiple adjacent slots.
  • one subframe 302 includes four slots 310, as an illustrative example.
  • a slot may be defined according to a specified number of OFDM symbols with a given cyclic prefix (CP) length.
  • CP cyclic prefix
  • a slot may include 7 or 14 OFDM symbols with a nominal CP.
  • Additional example may include mini-slots, sometimes referred to as shortened transmission time intervals (TTIs) , having a shorter duration (e.g., one to three OFDM symbols) .
  • TTIs shortened transmission time intervals
  • These mini-slots or shortened transmission time intervals (TTIs) may in some cases be transmitted occupying resources scheduled for ongoing slot transmissions for the same or for different UEs. Any number of resource blocks may be utilized within a subframe or slot.
  • An expanded view of one of the slots 310 illustrates the slot 310 including a control region 312 and a data region 314.
  • the control region 312 may carry control channels
  • the data region 314 may carry data channels.
  • a slot may contain all DL, all UL, or at least one DL portion and at least one UL portion.
  • the structure illustrated in FIG. 3 is merely exemplary in nature, and different slot structures may be utilized, and may include one or more of each of the control region (s) and data region (s) .
  • the various REs 306 within a RB 308 may be scheduled to carry one or more physical channels, including control channels, shared channels, data channels, etc.
  • Other REs 306 within the RB 308 may also carry pilots or reference signals. These pilots or reference signals may provide for a receiving device to perform channel estimation of the corresponding channel, which may enable coherent demodulation/detection of the control and/or data channels within the RB 308.
  • the slot 310 may be utilized for broadcast, multicast, groupcast, or unicast communication.
  • a broadcast, multicast, or groupcast communication may refer to a point-to-multipoint transmission by one device (e.g., a network entity, UE, or other similar device) to other devices.
  • a broadcast communication is delivered to all devices, whereas a multicast or groupcast communication is delivered to multiple intended recipient devices.
  • a unicast communication may refer to a point-to-point transmission by one device to a single other device.
  • the scheduling entity may allocate one or more REs 306 (e.g., within the control region 312) to carry DL control information including one or more DL control channels, such as a physical downlink control channel (PDCCH) , to one or more scheduled entities (e.g., UEs) .
  • the PDCCH carries downlink control information (DCI) including but not limited to power control commands (e.g., one or more open loop power control parameters and/or one or more closed loop power control parameters) , scheduling information, a grant, and/or an assignment of REs for DL and UL transmissions.
  • DCI downlink control information
  • the PDCCH may further carry hybrid automatic repeat request (HARQ) feedback transmissions such as an acknowledgment (ACK) or negative acknowledgment (NACK) .
  • HARQ is a technique well-known to those of ordinary skill in the art, where the integrity of packet transmissions may be checked at the receiving side for accuracy, e.g., utilizing any suitable integrity checking mechanism, such as a checksum or a cyclic redundancy check (CRC) . If the integrity of the transmission is confirmed, an ACK may be transmitted, whereas if not confirmed, a NACK may be transmitted. In response to a NACK, the transmitting device may send a HARQ retransmission, which may implement chase combining, incremental redundancy, etc.
  • the network entity may further allocate one or more REs 306 (e.g., in the control region 312 or the data region 314) to carry other DL signals, such as a demodulation reference signal (DMRS) ; a phase-tracking reference signal (PT-RS) ; a channel state information (CSI) reference signal (CSI-RS) ; and a synchronization signal block (SSB) .
  • SSBs may be broadcast at regular intervals based on a periodicity (e.g., 5, 10, 20, 40, 80, or 160 ms) .
  • An SSB includes a primary synchronization signal (PSS) , a secondary synchronization signal (SSS) , and a physical broadcast control channel (PBCH) .
  • PSS primary synchronization signal
  • SSS secondary synchronization signal
  • PBCH physical broadcast control channel
  • a UE may utilize the PSS and SSS to achieve radio frame, subframe, slot, and symbol synchronization in the time domain, identify the center of the channel (system
  • the PBCH in the SSB may further include a master information block (MIB) that includes various system information, along with parameters for decoding a system information block (SIB) .
  • the SIB may be, for example, a SystemInformationType 1 (SIB1) that may include various additional system information.
  • SIB and SIB1 together provide the minimum system information (SI) for initial access.
  • Examples of system information transmitted in the MIB may include, but are not limited to, a subcarrier spacing (e.g., default downlink numerology) , system frame number, a configuration of a PDCCH control resource set (CORESET) (e.g., PDCCH CORESET0) , a cell barred indicator, a cell reselection indicator, a raster offset, and a search space for SIB1.
  • Examples of remaining minimum system information (RMSI) transmitted in the SIB1 may include, but are not limited to, a random access search space, a paging search space, downlink configuration information, and uplink configuration information.
  • a network entity may transmit other system information (OSI) as well.
  • the scheduled entity may utilize one or more REs 306 to carry UL control information (UCI) including one or more UL control channels, such as a physical uplink control channel (PUCCH) , to the scheduling entity.
  • UCI may include a variety of packet types and categories, including pilots, reference signals, and information configured to enable or assist in decoding uplink data transmissions.
  • uplink reference signals may include a sounding reference signal (SRS) and an uplink DMRS.
  • the UCI may include a scheduling request (SR) , i.e., request for the scheduling entity to schedule uplink transmissions.
  • SR scheduling request
  • the scheduling entity may transmit downlink control information (DCI) that may schedule resources for uplink packet transmissions.
  • DCI may also include HARQ feedback, channel state feedback (CSF) , such as a CSI report, or any other suitable UCI.
  • CSF channel state feedback
  • one or more REs 306 may be allocated for data. Such data may be carried on one or more traffic channels, such as, for a DL transmission, a physical downlink shared channel (PDSCH) ; or for an UL transmission, a physical uplink shared channel (PUSCH) .
  • one or more REs 306 within the data region 314 may be configured to carry other signals, such as one or more SIBs and DMRSs.
  • the PDSCH may carry a plurality of SIBs, not limited to SIB1, discussed above.
  • the OSI may be provided in these SIBs, e.g., SIB2 and above.
  • the control region 312 of the slot 310 may include a physical sidelink control channel (PSCCH) including sidelink control information (SCI) transmitted by an initiating (transmitting) sidelink device (e.g., Tx V2X device or other Tx UE) towards a set of one or more other receiving sidelink devices (e.g., Rx V2X device or other Rx UE) .
  • the data region 314 of the slot 310 may include a physical sidelink shared channel (PSSCH) including sidelink data transmitted by the initiating (transmitting) sidelink device within resources reserved over the sidelink carrier by the transmitting sidelink device via the SCI.
  • PSSCH physical sidelink shared channel
  • HARQ feedback information may be transmitted in a physical sidelink feedback channel (PSFCH) within the slot 310 from the receiving sidelink device to the transmitting sidelink device.
  • PSFCH physical sidelink feedback channel
  • one or more reference signals such as a sidelink SSB, a sidelink CSI-RS, a sidelink SRS, and/or a sidelink positioning reference signal (PRS) may be transmitted within the slot 310.
  • PRS sidelink positioning reference signal
  • Transport channels carry blocks of information called transport blocks (TB) .
  • TBS transport block size
  • MCS modulation and coding scheme
  • FIG. 4 is a diagram illustrating an example of communication between a network entity 404 and a UE 402 using beamformed signals according to some aspects of the disclosure.
  • the network entity 404 may be any of the network entities (e.g., base stations, gNBs, TRPs, scheduling entities) illustrated in FIGs. 1 and/or 2, and the UE 402 may be any of the UEs or scheduled entities illustrated in FIGs. 1 and/or 2.
  • the network entity 404 may generally be capable of communicating with the UE 402 using one or more transmit beams, and the UE 402 may further be capable of communicating with the network entity 404 using one or more receive beams.
  • transmit beam refers to a beam on the network entity 404 that may be utilized for downlink or uplink communication with the UE 402.
  • receive beam refers to a beam on the UE 402 that may be utilized for downlink or uplink communication with the network entity 404.
  • the network entity 404 is configured to generate a plurality of transmit beams 406a–406h, each associated with a different spatial direction.
  • the UE 402 is configured to generate a plurality of receive beams 408a–408e, each associated with a different spatial direction.
  • transmit beams 406a–406h transmitted during a same symbol may not be adjacent to one another.
  • the network entity 404 and UE 402 may each transmit more or less beams distributed in all directions (e.g., 360 degrees) and in three-dimensions.
  • the transmit beams 406a–406h may include beams of varying beam width.
  • the network entity 404 may transmit certain signals (e.g., SSBs) on wider beams and other signals (e.g., CSI-RSs) on narrower beams.
  • the network entity 404 and UE 402 may select one or more transmit beams 406a–406h on the network entity 404 and one or more receive beams 408a–408e on the UE 402 for communication of uplink and downlink signals therebetween using a beam management procedure.
  • the UE 402 may perform a P1 beam management procedure to scan the plurality of transmit beams 406a–406h on the plurality of receive beams 408a–408e to select a beam pair link (e.g., one of the transmit beams 406a–406h and one of the receive beams 408a–408e) for a physical random access channel (PRACH) procedure for initial access to the cell.
  • PRACH physical random access channel
  • periodic SSB beam sweeping may be implemented on the network entity 404 at certain intervals (e.g., based on the SSB periodicity) .
  • the network entity 404 may be configured to sweep or transmit an SSB on each of a plurality of wider transmit beams 406a–406h during the beam sweeping interval.
  • the UE 402 may measure the reference signal received power (RSRP) of each of the SSB transmitted on each of the transmit beams 406a-406h on each of the receive beams 408a-408e of the UE 402.
  • the UE 402 may select the transmit and receive beams based on the measured RSRP.
  • the selected receive beam may be the receive beam on which the highest RSRP is measured and the selected transmit beam may have the highest RSRP as measured on the selected receive beam.
  • the network entity 404 and UE 402 may perform a P2 beam management procedure for beam refinement at the network entity 404.
  • the network entity 404 may be configured to sweep or transmit a CSI-RS on each of a plurality of narrower transmit beams 406a–406h.
  • Each of the narrower CSI-RS beams may be a sub-beam (not shown) of the selected SSB transmit beam (e.g., within the spatial direction of the SSB transmit beam) .
  • Transmission of the CSI-RS transmit beams may occur periodically (e.g., as configured via radio resource control (RRC) signaling by the gNB) , semi-persistently (e.g., as configured via RRC signaling and activated/deactivated via medium access control –control element (MAC-CE) signaling by the gNB) , or aperiodically (e.g., as triggered by the gNB via downlink control information (DCI) ) .
  • RRC radio resource control
  • MAC-CE medium access control –control element
  • DCI downlink control information
  • the UE 402 may be configured to scan the plurality of CSI-RS transmit beams 406a–406h on the plurality of receive beams 408a–408e.
  • the UE 402 may then perform beam measurements (e.g., RSRP, SINR, etc.
  • the UE 402 can then generate and transmit a Layer 1 (L1) measurement report, including the respective beam index (e.g., CSI-RS resource indicator (CRI) ) and beam measurement (e.g., RSRP, SINR) of one or more of the CSI-RS transmit beams 406a–406h on one or more of the receive beams 408a–408e to the network entity 404.
  • the network entity 404 may then select one or more CSI-RS transmit beams on which to transmit unicast downlink control information and/or user data traffic to the UE 402.
  • the selected CSI-RS transmit beam (s) have the highest RSRP from the L1 measurement report.
  • Transmission of the L1 measurement report may occur periodically (e.g., as configured via RRC signaling by the gNB) , semi-persistently (e.g., as configured via RRC signaling and activated/deactivated via MAC-CE signaling by the gNB) , or aperiodically (e.g., as triggered by the gNB via DCI) .
  • the UE 402 may further select a corresponding receive beam on the UE 402 for each selected serving CSI-RS transmit beam to form a respective downlink beam pair link (BPL) for each selected serving CSI-RS transmit beam.
  • BPL downlink beam pair link
  • the UE 402 may utilize the beam measurements obtained during the P2 procedure or perform a P3 beam management procedure to obtain new beam measurements for the selected CSI-RS transmit beams to select the corresponding receive beam for each selected transmit beam.
  • the selected receive beam to pair with a particular CSI-RS transmit beam may be the receive beam on which the highest RSRP for the particular CSI-RS transmit beam is measured.
  • the network entity 404 may configure the UE 402 to perform SSB beam measurements and provide an L1 measurement report including beam measurements of SSB transmit beams 406a–406h.
  • the network entity 404 may configure the UE 402 to perform SSB beam measurements and/or CSI-RS beam measurements for beam failure detection (BFD) , beam failure recovery (BFR) , cell reselection, beam tracking (e.g., for a mobile UE 402 and/or network entity 404) , or other beam optimization purpose.
  • BFD beam failure detection
  • BFR beam failure recovery
  • beam tracking e.g., for a mobile UE 402 and/or network entity 404
  • the transmit and receive beams may be selected using an uplink beam management scheme.
  • the UE 402 may be configured to sweep or transmit on each of a plurality of receive beams 408a–408e.
  • the UE 402 may transmit an SRS on each beam in the different beam directions.
  • the network entity 404 may be configured to receive the uplink beam reference signals on a plurality of transmit beams 406a–406h. The network entity 404 may then perform beam measurements (e.g., RSRP, SINR, etc. ) of the beam reference signals on each of the transmit beams 406a–406h to determine the respective beam quality of each of the receive beams 408a–408e as measured on each of the transmit beams 406a–406h.
  • beam measurements e.g., RSRP, SINR, etc.
  • the network entity 404 may then select one or more transmit beams on which to communicate downlink control information and/or user data traffic to the UE 402.
  • the selected transmit beam (s) have the highest RSRP.
  • the UE 402 may then select a corresponding receive beam for each selected serving transmit beam to form a respective beam pair link (BPL) for each selected serving transmit beam, using, for example, a P3 beam management procedure, as described above.
  • BPL beam pair link
  • the UE 402 can further utilize the beam reference signals to estimate the channel quality of the channel between the network entity 404 and the UE 402.
  • the UE 402 may measure the SINR of each received CSI-RS and generate a CSI report based on the measured SINR.
  • the CSI report may include, for example, a channel quality indicator (CQI) , rank indicator (RI) , precoding matrix indicator (PMI) , and/or layer indicator (LI) .
  • the scheduling entity may use the CSI report to select a rank for the scheduled entity, along with a precoding matrix and a MCS to use for future downlink transmissions to the scheduled entity.
  • the MCS may be selected from one or more MCS tables, each associated with a particular type of coding (e.g., polar coding, LDPC, etc. ) or modulation (e.g., binary phase shift keying (BPSK) , quadrature phase shift keying (QPSK) , 16 quadrature amplitude modulation (QAM) , 54 QAM, 256 QAM, etc. ) .
  • the LI may be utilized to indicate which column of the precoding matrix of the reported PMI corresponds to the strongest layer codeword corresponding to the largest reported wideband CQI.
  • a single CSI-RS transmit beam (e.g., transmit beam 406d) on the network entity 404 and a single receive beam (e.g., receive beam 408c) on the UE 402 may form a single BPL used for communication between the network entity 404 and the UE 402.
  • multiple CSI-RS transmit beams (e.g., transmit beams 406c, 406d, and 406e) on the network entity 404 and a single receive beam (e.g., receive beam 408c) on the UE 402 may form respective BPLs used for communication between the network entity 404 and the UE 402.
  • multiple CSI-RS transmit beams (e.g., transmit beams 406c, 406d, and 406e) on the network entity 404 and multiple receive beams (e.g., receive beams 408c and 408d) on the UE 402 may form multiple BPLs used for communication between the network entity 404 and the UE 402.
  • a first BPL may include transmit beam 406c and receive beam 408c
  • a second BPL may include transmit beam 408d and receive beam 408c
  • a third BPL may include transmit beam 408e and receive beam 408d.
  • FIG. 5 is a signaling diagram illustrating exemplary signaling between a UE 502 and a network entity 504 for channel state information reporting according to some aspects of the disclosure.
  • the UE 502 may correspond, for example, to any of the UEs or other scheduled entities shown in FIGs. 1, 2, and/or 4.
  • the network entity 504 may correspond, for example, to any of the network entities (e.g., gNB or eNB) or other scheduling entities as shown in FIGs. 1, 2, and/or 3.
  • the network entity 504 may transmit a downlink reference signal, such as a CSI-RS, to the UE 502.
  • the downlink reference signal may include a plurality of downlink reference signals.
  • Each downlink reference signal may be transmitted via a respective CSI resource.
  • CSI resources may include time–frequency resources, along with a beam direction (spatial direction) , within which a particular downlink reference signal can be transmitted.
  • each downlink reference signal may include a number of pilots allocated within the respective CSI resource.
  • the different spatial directions of the CSI resources may support MIMO (e.g., spatial multiplexing) .
  • the UE 502 can estimate the downlink wireless channel from the downlink reference signal (s) .
  • the UE 502 may measure the SINR of one or more of the downlink reference signals to obtain a downlink channel estimate of the downlink wireless channel.
  • the UE 502 may determine the CSI. For example, the UE 502 may determine a RI, PMI, CQI, and LI from the downlink channel estimate.
  • the CQI may include an index (e.g., a CQI index) ranging, for example, from 0 to 16.
  • the CQI index may indicate, for example, the highest MCS at which the Block Error Rate (BLER) of the channel does not exceed 10%.
  • BLER Block Error Rate
  • the RI, PMI, LI, and CQI index can be fed back in a CSI report.
  • the UE 502 may transmit the CSI report, including the selected CQI, along with the RI, PMI, and SLI, to the network entity 504.
  • the network entity 504 and UE 502 may support different types of CSI reports (including L1 measurement reports) and/or different types of measurements. To distinguish between the different types of CSI reports and different types of measurements, the network entity 504 may configure the UE 502 with one or more CSI report settings.
  • FIG. 6 illustrates an exemplary reference signal configuration to support different report/measurement configurations according to some aspects of the disclosure.
  • the reference signal configuration includes a CSI resource setting 604, one or more CSI resource sets 606 per CSI resource setting 604, and one or more CSI resources 608 per CSI resource set 606.
  • each CSI resource setting 604 includes one or more CSI resource sets 606, and each CSI resource set 606 includes one or more CSI resources 608.
  • a single CSI resource setting e.g., CSI resource setting 0
  • any suitable number of CSI resource settings 604 may be supported.
  • Each CSI resource setting 604 corresponding to a reference signal configuration may be associated with a CSI report setting 602 (e.g., CSI report setting 0 is associated with CSI resource setting 0) .
  • the CSI report setting 602 may include a reportQuantity that indicates, for example, the specific CSI values and granularity thereof (e.g., wideband/sub-band CQI, PMI, RI, LI, etc. ) , or L1 parameters (e.g., L1-RSRP, L1-SINR) to include in a CSI report.
  • the CSI report setting may further indicate a periodicity of the CSI report.
  • the CSI report setting may indicate that the report should be generated periodically, aperiodically, or semi-persistently.
  • the CSI report may be sent on the PUSCH and may or may not be multiplexed with uplink data.
  • the CSI report may be sent on the PUCCH (e.g., a short PUCCH or a long PUCCH) .
  • the CSI report may be sent on the PUCCH or the PUSCH.
  • semi-persistent CSI reports sent on the PUCCH may be activated or deactivated using a medium access control (MAC) control element (MAC-CE) .
  • MAC medium access control
  • MAC-CE medium access control element
  • Semi-persistent CSI reports sent on the PUSCH may be triggered using downlink control information (DCI) scrambled with a semi-persistent CSI (SP-CP) radio network temporary identifier (SP-CP-RNTI) .
  • DCI downlink control information
  • SP-CP semi-persistent CSI
  • SP-CP-RNTI radio network temporary identifier
  • the DCI triggering the semi-persistent CSI reporting may further allocate semi-persistent resources and an MCS for the CSI report.
  • Semi-persistent CSI report settings may further support Type II codebooks and a minimum periodicity of 4 ms.
  • periodic and semi-persistent CSI report settings may support the following periodicities: ⁇ 5, 10, 20, 40, 80, 160, and 320 ⁇ slots.
  • CSI report settings may further include a respective priority and other suitable parameters.
  • each CSI report setting 602 may further be linked to a CSI resource setting 604 indicating the CSI resources 608 applicable to the CSI report setting 602.
  • Each CSI resource setting 604 may be associated with a particular time domain behavior of reference signals.
  • each CSI resource setting 604 may include periodic, semi-persistent, or aperiodic CSI resources 608.
  • the number of configured CSI resource sets 606 may be limited to one.
  • the CSI resource settings 604 that may be linked to a particular CSI report setting 602 may be limited by the time domain behavior of the CSI resource setting 604 and the CSI report setting 602.
  • an aperiodic CSI report setting 602 may be linked to periodic, semi-persistent, or aperiodic CSI resource settings 604.
  • a semi-persistent CSI report setting 602 may be linked to only periodic or semi-persistent CSI resource settings 604.
  • a periodic CSI report setting 602 may be linked to only a periodic CSI resource setting 604.
  • Each CSI resource set 606 may be associated with a CSI resource type.
  • CSI resource types may include non-zero-power (NZP) CSI-RS resources, SSB resources, or channel state information interference measurement (CSI-IM) resources.
  • the CSI resources 608 may include channel measurement resources (CMRs) , such as NZP CSI-RS or SSB resources, and/or interference measurement resources (IMRs) , such as CSI-IM resources.
  • CMRs channel measurement resources
  • IMRs interference measurement resources
  • Each CSI resource set 606 includes a list of CSI resources 608 of a particular CSI resource type.
  • each CSI resource set 606 may further be associated with one or more of a set of frequency resources (e.g., a bandwidth and/or OFDM symbol (s) within a slot) , a particular set of ports, a power, or other suitable parameters.
  • the CSI resource set 606 may be configured with a repetition parameter indicating whether or not repetition is enabled for the CSI-RS resource (e.g., the repetition parameter may be set to ON or OFF) .
  • a CSI resource setting may be configured with up to 16 CSI resource sets with up to 54 CSI resources within each set and the maximum total number of CSI resources being 128.
  • a CSI resource setting may be configured with up to 54 CSI-RS resources or up to 54 SSB resources.
  • Each CSI resource 608 indicates the particular beam, ports, frequency resource, and OFDM symbol on which the reference signal may be measured by the wireless communication device.
  • each CSI-RS resource 608 may indicate an RE on which a CSI-RS pilot or SSB transmitted from a particular set of ports on a particular beam may be measured.
  • CSI-RS resource set 0.1 includes four CSI-RS resources (CSI-RS resource 0.10, CSI-RS resource 0.11, CSI-RS resource 0.12, and CSI-RS resource 0.13) .
  • Each CSI resource 608 may further be indexed by a respective reference signal resource ID.
  • the reference signal resource ID may identify not only the particular beam and ports, but also the resources on which the reference signal may be measured.
  • the reference signal resource ID may include a CSI-RS resource indicator (CRI) or a SSB resource indicator (SSBRI) .
  • CRI CSI-RS resource indicator
  • SSBRI SSB resource indicator
  • each CRI identifies a respective beam
  • each CRI corresponds to a beam identifier (ID) .
  • the network entity may configure the UE with one or more CSI report settings 602 and CSI resource settings 604 via, for example, radio resource control (RRC) signaling.
  • RRC radio resource control
  • the network entity may configure the UE with a list of periodic CSI report settings indicating an associated CSI resource set that the UE may utilize to generate periodic CSI reports.
  • the network entity may configure the UE with a list of aperiodic CSI report settings in a CSI-AperiodicTriggerStateList.
  • Each trigger state in the CSI-AperiodicTriggerStateList may include a list of aperiodic CSI report settings indicating the associated CSI resource sets for channel (and optionally interference) measurement.
  • the network entity may configure the UE with a list of semi-persistent CSI report settings in a CSI-SemiPersistentOnPUSCH-TriggerStateList.
  • Each trigger state in the CSI-SemiPersistentOnPUSCH-TriggerStateList may include one CSI report setting indicating the associated CSI resource set.
  • the network entity may then trigger one or more of the aperiodic or semi-persistent trigger states using, for example, DCI.
  • a MAC-CE may be used to activate or deactivate a semi-persistent CSI report setting for a CSI report sent on the PUCCH.
  • channels or carriers illustrated in FIGs. 1, 2, 3, 4, 5, and 6 are not necessarily all of the channels or carriers that may be utilized between devices, and those of ordinary skill in the art will recognize that other channels or carriers may be utilized in addition to those illustrated, such as other traffic, control, and feedback channels.
  • L1 reporting for time domain (TD) beam prediction in connection with multiple TD occasions.
  • TD time domain
  • a UE predicts future L1-RSRPs or L1-SINRs regarding multiple TD occasions
  • reporting the predicted future L1-RSRPs or L1-SINRs regarding the multiple TD occasions in the single L1 report may result in fewer CSI report setting configurations, and thus may result in more efficient use of aperiodic (AP) CSI triggering fields or semi-persistent (SP) CSI activation commands.
  • AP aperiodic
  • SP semi-persistent
  • reporting the predicted future L1-RSRPs or L1-SINRs regarding the multiple TD occasions in the single L1 report (e.g., a single CSI report) versus multiple reports (e.g., multiple CSI reports, one CSI report per TD occasion) may improve latency (e.g., may comparatively reduce an amount of time it may take for a network entity to acquire all necessary UE prediction results) .
  • L1-RSRPs and/or L1-SINRs may be addressed in a single CSI report.
  • the L1-RSRPs and/or L1-SINRs may be based on channel measurement resource (CMR) and/or interference measurement resource (IMR) measurements regarding, for example, CMR/IMR TD occasions before a CSI reference resource (if time-restriction is not configured) or a last CMR/IMR TD occasion before the CSI reference resource (if time-restriction is not configured) .
  • CMR channel measurement resource
  • IMR interference measurement resource
  • the remaining L1-RSRPs and/or L1-SINRs may be differentially quantized all together (e.g., by quantizing each of the remaining L1-RSRPs and/or L1-SINRs using a differential reference relative to the first L1-RSRP and/or the first L1-SINR value) .
  • the remaining L1-RSRPs and/or L1-SINRs may be differentially quantized using a hierarchical differential quantization, for example, by quantizing a first remaining one of the remaining L1-RSRPs and/or L1-SINRs (e.g., a second L1-RSRP and/or a second L1-SINR) using a differential reference relative to the first L1-RSRP and/or the first L1-SINR value and thereafter by quantizing any remaining L1-RSRPs and/or L1-SINRs (e.g., third L1-RSRPs and/or a third L1-SINRs) using a differential reference relative to the second L1-RSRP and/or the second L1-SINR value) .
  • L1-RSRPs and L1-SINRs may be referred to herein as layer-1 (L1) signal parameter values.
  • multiple respective absolute L1 signal parameter values associated with different respective TD occasions may be differentially quantized with respect to remaining L1 signal parameter values at each respective TD occasion by reference to the respective absolute L1 signal parameter value associated with each respective TD occasion.
  • either identical or different numbers of bits may be utilized to report the absolute and differential L1 signal parameter values (e.g., the L1-RSRPs and/or the L1-SINRs) . Still further, identical, or different quantization schemes may be utilized to report the absolute and differential L1 signal parameter values. In some examples, an identical number of beams may be reported for each TD occasion.
  • RRC configuration details related to the above aspects may be utilized. Furthermore, some degree of flexibility may be provided to a UE to, for example, permit the UE to determine (e.g., to obtain) a reporting scheme that may be utilized to report the absolute and differential L1 signal parameter values to a network entity, and to report the selected reporting scheme to the network entity.
  • FIG. 7 is a schematic representation of a reporting scheme 700 according to some aspects of the disclosure.
  • a single report 702 may be configured.
  • the single report 702 may include data corresponding to a plurality of time domain occasions 704.
  • the single report 702 may include a single absolute (or absolutely quantized) value of a first L1 signal parameter (e.g., L1-RSRP, L1-SINR) associated with a first CMR at a first TD occasion among a plurality of TD occasions and may further include one or more differentially quantized L1 signal parameter values corresponding to any remaining CMRs in the plurality of TD occasions.
  • a first L1 signal parameter e.g., L1-RSRP, L1-SINR
  • the first L1 signal parameter value is exemplified as a first L1-RSRP 706.
  • the value of the first L1-RSRP 706 may be an absolute value.
  • the first L1-RSRP 706 may correspond to a CMR having a maximum L1-RSRP (e.g., maximum magnitude, maximum value, strongest signal value) measured in a set of CMRs that includes all CMRs in the plurality of TD occasions.
  • L1-RSRP maximum magnitude, maximum value, strongest signal value
  • the just described CMR is referred to as the “first CMR” herein.
  • the first L1-RSRP 706 corresponds to the first CMR
  • the first CMR is that CMR having a maximum value associated therewith compared to all CMRs for all TD occasions in the plurality of TD occasions.
  • the maximum value may be a measured value.
  • the maximum value may be determined by measurements (e.g., measurements of reference signals and measurements of interference plus noise) and calculation (e.g., calculating/determining/obtaining the signal-to-interference-plus-noise ratio (SINR) ) .
  • measurements e.g., measurements of reference signals and measurements of interference plus noise
  • calculation e.g., calculating/determining/obtaining the signal-to-interference-plus-noise ratio (SINR) ) .
  • the plurality of CMRs includes those CMRs at time domain (TD) occasions #0, #1, #2, #3, #4, and #5. It is noted that there may be one or more CMRs at each TD occasion.
  • TD occasions #0 and #3 each have 4 CMRs
  • TD occasions #1 and #2 each have 2 CMRs
  • TD occasions #4 and #5 each have 1 CMR.
  • the preceding distribution of CMRs among time domain occasions is exemplary and non-limiting.
  • Each TD occasion of the plurality of TD occasions may have one or more CMRs.
  • the CMR corresponding to the L1-RSRP having a maximum value i.e., the first L1-RSRP 706) compared to all CMRs for all TD occasions in the plurality of TD occasions (and referred to as the “first CMR” herein) is located in TD occasion #3 (and for ease of notation may be referred to as the “first TD occasion” herein) .
  • the first CMR in the first TD occasion need not be the first CMR at TD occasion #0 (which is the first identified or named TD occasion in the exemplary plurality of TD occasions shown in FIG. 7) .
  • TD occasion #0 which is the first identified or named TD occasion in the exemplary plurality of TD occasions shown in FIG. 7 .
  • the first CMR is one of the four CMRs at TD occasion #3 (i.e., the first TD occasion) .
  • the single report 702 may include a time domain occasion identifier (TD occasion ID) and a CMR identifier (CMR ID) associated with each reported L1 signal parameter.
  • TD occasion ID time domain occasion identifier
  • CMR ID CMR identifier
  • the TD occasion ID may be exemplified as TD occasion #3 and the CMR ID is omitted to avoid cluttering the drawing.
  • the single report 702 may also include the L1 signal parameter values of each of any remaining CMRs at the first TD occasion (referred to in the example of FIG. 7 as “remaining L1-RSRPs corresponding to remaining second CMRs” 708) .
  • the two or more CMRs may be reported according to their magnitude. However, any order of reporting the remaining CMRs is within the scope of the disclosure.
  • the remaining L1-RSRPs corresponding to remaining second CMRs 708 may each be differentially quantized with respect to the first L1-RSRP 706.
  • one of the four CMRs at TD occasion #3 corresponds to the first L1-RSRP 706.
  • the single report 702 may therefore include first L1-RSRP 706 corresponding to the first CMR at the first TD occasion, a first remaining L1 signal parameter value corresponding to the second of four CMRs at TD occasion #3, a second remaining L1 signal parameter value corresponding to the third of four CMRs at TD occasion #3, and a third remaining L1 signal parameter value corresponding to the fourth of four CMRs at TD occasion #3.
  • the first, second, and third remaining L1 signal parameters corresponding to the second, third, and fourth CMRs (not shown) at TD occasion #3 are identified collectively in FIG. 7 as the “remaining L1-RSRPs corresponding to remaining second CMRs” 708 for SSB #3 at TD occasion #3.
  • the single report 702 may also include the L1 signal parameter values of each of any remaining CMRs at all other TD occasions of the plurality of TD occasions (referred to in the example of FIG. 7 as “remaining L1-RSRPs corresponding to remaining third CMRs” 710) .
  • the two or more CMRs may be reported according to their magnitude.
  • any order of reporting the remaining CMRs among the remaining TD occasions of the plurality of TD occasions is within the scope of the disclosure.
  • the remaining L1-RSRPs corresponding to the remaining third CMRs 710 may each be differentially quantized with respect to the first L1-RSRP 706.
  • the single report 702 may include first L1-RSRP 706 corresponding to the first CMR at the first TD occasion (as described above) , and may further include: respective first through fourth remaining L1 signal parameter values corresponding to the first through fourth CMRs at TD occasion #0; respective fifth and sixth remaining L1 signal parameter values corresponding to the first and second CMRs at TD occasion #1; respective seventh and eighth remaining L1 signal parameter values corresponding to the first and second CMRs at TD occasion #2; ninth remaining L1 signal parameter value corresponding to the first CMR at TD occasion #4; and tenth remaining L1 signal parameter value corresponding to the first CMR at TD occasion #5.
  • the first through tenth remaining L1 signal parameters corresponding to the remaining CMRs (not shown) at TD occasions #0, #1, #2, #4, and #5, are identified collectively in FIG. 7 as the “remaining L1-RSRPs corresponding to remaining third CMRs” 710 for SSB #3 at TD occasion #s0, 1, 2, 4, and 5.
  • a UE may report L1-RSRPs/L1-SINRs ( (e.g., L1-singal parameter values) regarding CMRs associated with a CSI report setting associated with multiple TD occasions (e.g., TD occasions #0 through #5) .
  • the UE may report the strongest L1-RSRP/L1-SINR among all TD occasions and all CMRs, using an absolute (or absolutely quantized) L1-RSRP/L1-SINR value, and the UE may further report the corresponding TD occasion ID and CMR-ID.
  • the UE may report L1-RSRPs/L1-SINRs with respect to the remaining TD occasions and CMRs associated with all TD occasions, via differentially quantized L1-RSRPs/L1-SINRs, referring to at least the absolute (or absolutely quantized) strongest L1-RSRP/L1-SINR.
  • FIG. 8 is a schematic representation of a reporting scheme 800 according to some aspects of the disclosure.
  • a single report 802 may be configured.
  • the single report 802 may include data corresponding to a plurality of time domain occasions 804.
  • the single report 802 may include a single absolute (or absolutely quantized) value of a first L1 signal parameter (e.g., L1-RSRP, L1-SINR) associated with a first CMR at a first TD occasion among a plurality of TD occasions, and may further include one or more second L1 signal parameter (e.g., L1-RSRP, L1-SINR) associated with a second CMR at each remaining second TD occasion among a plurality of TD occasions.
  • the one or more second L1 signal parameter values may each be differentially quantized with respect to the first L1 signal parameter value.
  • the single report 802 may further include one or more remaining third L1 signal parameter values corresponding to each respective second L1 signal parameter value.
  • the one or more remaining third L1 signal parameter values may each be differentially quantized with respect to their respective second L1 signal parameter value associated with the same TD occasion as the respective one or more remaining third L1 signal parameter values.
  • the first L1 signal parameter value is exemplified as a first L1-RSRP 806.
  • the description of the first L1-RSRP 806 is substantially similar to the description of the first L1-RSRP 706 of FIG. 7; therefore, the description will not be repeated for the sake of brevity.
  • the single report 802 may include data corresponding to a plurality of time domain occasions 804.
  • a plurality of CMRs are represented among the plurality of time domain occasions 804 (e.g., TD occasions #0, #1, #2, #3, #4, and #5) .
  • the descriptions of the plurality of time domain occasions 804 and the CMRs at those time domain occasions 804 are substantially similar to the descriptions of the plurality of time domain occasions 707 of FIG. 7 and the corresponding CMRs of FIG. 7; therefore, the descriptions will not be repeated for the sake of brevity.
  • the single report 802 may also include respective L1 signal parameter values of a second CMR in each of the remaining TD occasions.
  • the second CMR may be that CMR, in a given TD occasion, which has a maximum value compared to all CMRs of the given TD occasion.
  • the second L1-RSRPs associated with TD occasion #0, #1, and #2 are collectively illustrated as “second L1-RSRP corresponding to second CMR at TD occasion X” 812, where “X” would respectively represent TD occasions #0, #1, and #2.
  • a first of the three illustrated second L1-RSRPs is identified as a “second L1-RSRP corresponding to second CMR at TD occasion #4” 808.
  • a second of the three illustrated second L1-RSRPs is identified as a “second L1-RSRP corresponding to second CMR at TD occasion #5” 810.
  • a third illustrated second L1-RSRPs collectively represents second L1-RSRPs at three TD occasions. That third illustrated second L1-RSRP is identified as the “second L1-RSRP corresponding to second CMR at TD occasion #X” 812.
  • Each of the second L1-RSRPs corresponding to second CMR at a given TD occasion is respectively differentially quantized with respect to the first L1-RSRP 806.
  • the single report 802 may include, for the given TD occasion, a second L1-RSRP corresponding to the second CMR at the given TD occasion, where here, the second L1-RSRP corresponding to the second CMR (of the more than one CMR at the given TD occasion) is the CMR that has a maximum L1-RSRP among the more than one CMR. Accordingly, the second L1-RSRP corresponding to the second CMR may be the L1-RSRP of the first, second, or nth CMR, depending on how many CMRs are associated with the given TD occasion.
  • the second through nth CMR at the given TD occasion may be identified herein as a “remaining third L1-RSRP corresponding to remaining third CMRs at the given TD occasion. ”
  • TD occasion #4 corresponds to 2 CMRs.
  • the CMR having a maximum value of L1-RSRP (among the two CMRs) would be reported as the “second L1-RSRP corresponding second CMR at TD occasion #4” 808.
  • next CMR having a value of L1-RSRP that is less than the second L1-RSRP could be reported as the “remaining third L1-RSRP corresponding to remaining third CMR at TD occasion #4” 814 (despite there being only two CMRs associated with TD occasion #4) .
  • TD occasion #5 corresponds to four CMRs.
  • the CMR having a maximum value of L1-RSRP (among the four CMRs) would be reported as the “second L1-RSRP corresponding second CMR at TD occasion #5” 810.
  • the next CMR having a value of L1-RSRP that is less than the second L1-RSRP could be reported as a first “remaining third L1-RSRP corresponding to remaining third CMR at TD occasion #5” 816.
  • the next CMR having a lesser value of L1-RSRP could be reported as a second “remaining third L1-RSRP corresponding to remaining third CMR at TD occasion #5” (not shown) .
  • the last of the four CMRs at TD occasion #5 having a minimum value of L1-RSRP could be reported as a third “remaining third L1-RSRP corresponding to remaining third CMR at TD occasion #5” (not shown) .
  • Each of the respective remaining third L1-RSRPs corresponding to the remaining third CMRs at a given TD occasion may be respectively differentially quantized with respect to the second L1-RSRP of the corresponding TD occasion.
  • configurations may be based on at least one of: predefined configurations in a standard document (e.g., standard predefinition) , network entity configuration/indication (e.g., through CSI report setting, or MAC-CE activating the CSI report, or AP CSI triggering states) or UE self-determination and further UE reporting in a CSI report (e.g., based on indicating an option identifier (Opt ID) out of multiple option IDs that may be network entity configured or indicated) .
  • a standard document e.g., standard predefinition
  • network entity configuration/indication e.g., through CSI report setting, or MAC-CE activating the CSI report, or AP CSI triggering states
  • UE self-determination and further UE reporting in a CSI report e.g., based on indicating an option identifier (Opt ID) out of multiple option IDs that may be network entity configured or indicated
  • specific TD occasions may be considered.
  • the L1 report may address only predicted future occasions, or the L1 report may also include the current occasion based on measurements.
  • L1 reports may be configured or indicated for specific future TD occasions, which may be configured or indicated (e.g., in terms of a number of slots ahead of or before the slot carrying the L1 report) .
  • the L1 reports may be further based on defining multiple CSI reference resource offsets.
  • the UE may be further configured to report a confidence level associated with each L1-RSRP or L1-SINR.
  • the number of CMRs may be addressed for each TD occasion. For example, there may be more CMRs (e.g., a greater number of CMRs) associated with TD occasions that are closer to the slot carrying the CSI report. In other words, there may be fewer CMRs (e.g., a lesser number of CMRs) associated with TD occasions that are further away from the slot carrying the CSI report.
  • quantization schemes single or hierarchical differential quantization
  • remaining L1-RSRPs/L1-SINRs may all be differentially quantized referring to a strongest L1-RSRPs/L1-SINRs.
  • a UE may report the strongest L1-RSRPs/L1-SINRs in each TD occasion differentially referring to the strongest one among all CMRs and all TD occasions, together with the CMRs corresponding to the remaining TD occasions; and the remaining L1-RSRPs/L1-SINRs in each TD occasion, may be further differentially quantized referring only to the strongest L1-RSRP within the corresponding TD occasion (using a same/different quantization step-size &range definition as the first level) .
  • such hierarchical quantization may lead to lower L1 reporting overhead.
  • FIG. 9 is a schematic representation of a reporting scheme 900 according to some aspects of the disclosure.
  • a single report 902 may be configured.
  • the single report 902 may include data corresponding to a plurality of time domain occasions 904.
  • the single report 902 may include, for each one of a plurality of time domain occasions, an absolute (or absolutely quantized) value of a first L1 signal parameter value corresponding to a first channel measurement resource (CMR) among one or more CMRs at the respective each one of the plurality of time domain occasions (among the plurality of time domain occasions) .
  • the first L1 signal parameter value may represent a maximum value among all L1 signal parameter values obtained corresponding to all of the one or more CMRs at the respective each one of the plurality of domain occasions.
  • the single report 902 may further include respective second L1 signal parameter values corresponding to each of the more than one CMRs at the given time domain occasion, where each of the respective second L1 signal parameter values may be differentially quantized with respect to the first L1 signal parameter value at the given time domain occasion.
  • the first L1 signal parameter value is exemplified as a maximum L1-RSRP 908.
  • the description of the maximum L1-RSRP 908 is substantially similar to the description of the first L1-RSRP 706 of FIG. 7; therefore, the description will not be repeated for the sake of brevity.
  • the single report 902 may include data corresponding to a plurality of time domain (TD) occasions 904.
  • TD time domain
  • a plurality of CMRs are represented among the plurality of TD occasions 904 (e.g., TD occasions #0, #1, #2, #3, #4, and #5) .
  • the descriptions of the plurality of TD occasions 904 and the CMRs at those time domain occasions 904 are substantially similar to the descriptions of the plurality of TD occasions 707 of FIG. 7 and the corresponding CMRs of FIG. 7; therefore, the descriptions will not be repeated for the sake of brevity.
  • a first set 906 of a maximum L1-RSRP value 908 and remaining L1-RSRP values 910, as described above, is associated with TD occasion #0.
  • a second set 912 of a maximum L1-RSRP value and remaining L1-RSRP values is associated with TD occasion #1.
  • a third set 914 of a maximum L1-RSRP value and remaining L1-RSRP values is associated with TD occasion #2.
  • a fourth set 916 of a maximum L1-RSRP value and remaining L1-RSRP values is associated with TD occasion #3.
  • TD occasion #4 and TD occasion #5 each have only one CMR associated therewith, only a first maximum L1-RSRP value 918 is associated with TD occasion #4, and only a second maximum L1-RSRP value 920 is associated with TD occasion #4.
  • a UE may include multiple absolute L1-RSRPs/L1-SINRs in a single report 902.
  • the single report 902 is a single CSI report.
  • the UE may report L1-RSRPs/L1-SINRs regarding CMRs associated with a report setting (e.g., a CSI report setting) associated with multiple TD occasions, where: the UE may report the maximum (e.g., the strongest) L1-RSRPs/L1-SINRs, for each TD occasion, respectively, together with the CMR-ID for each corresponding TD occasion. For each TD occasion, the UE may further report the remaining L1-RSRPs/L1-SINRs differentially referring to the maximum L1-RSRP/L1-SINR within the TD occasion.
  • configurations may be based on at least one of: predefined configurations in a standard document (e.g., standard predefinition) , network entity configuration/indication (e.g., through CSI report setting, or MAC-CE activating the CSI report, or AP CSI triggering states) or UE self-determination and further UE reporting in a CSI report (e.g., based on indicating an option identifier (Opt ID) out of multiple option IDs that may be network entity configured or indicated) .
  • a standard document e.g., standard predefinition
  • network entity configuration/indication e.g., through CSI report setting, or MAC-CE activating the CSI report, or AP CSI triggering states
  • UE self-determination and further UE reporting in a CSI report e.g., based on indicating an option identifier (Opt ID) out of multiple option IDs that may be network entity configured or indicated
  • specific TD occasions may be considered.
  • the L1 report may address only predicted future TD occasions, or the L1 report may also include the current TD occasion based on measurements.
  • L1 reports may be configured or indicated for specific future TD occasions, which may be configured or indicated (e.g., in terms of a number of slots ahead of or before the slot carrying the L1 report) .
  • the L1 reports may be further based on defining multiple CSI reference resource offsets.
  • the UE may be further configured to report a confidence level associated with each L1-RSRP or L1-SINR.
  • the number of CMRs may be addressed for each TD occasion. For example, there may be more CMRs (e.g., a greater number of CMRs) associated with TD occasions that are closer to the slot carrying the CSI report. In other words, there may be fewer CMRs (e.g., a lesser number of CMRs) associated with TD occasions that are further away from the slot carrying the CSI report.
  • quantization schemes may be considered.
  • the number of bits as well as quantization step-size &range definition, for reporting the absolute/differential L1-RSRPs/L1-SINRs across different TD occasions may be the same.
  • different quantization step-size &range definition across different TD occasions may be used.
  • FIG. 10 is a block diagram illustrating an example of a hardware implementation of a network entity 1000 employing a processing system 1002 according to some aspects of the disclosure.
  • the network entity 1000 may be, for example, any base station (e.g., gNB, eNB) or other scheduling entity as illustrated in any one or more of FIGs. 1, 2, 4, 5 and/or 16.
  • the network entity 1000 may further be implemented in an aggregated or monolithic base station architecture, or in a disaggregated base station architecture, and may include one or more of a central unit (CU) , a distributed unit (DU) , a radio unit (RU) , a Near-Real Time (Near-RT) RAN Intelligent Controller (RIC) , or a Non-Real Time (Non-RT) RIC.
  • the network entity 1000 may be a stationary network entity or a mobile network entity.
  • an element, or any portion of an element, or any combination of elements may be implemented with a processing system 1002 that includes one or more processors, such as processor 1004.
  • processors 1004 include microprocessors, microcontrollers, digital signal processors (DSPs) , field programmable gate arrays (FPGAs) , programmable logic devices (PLDs) , state machines, gated logic, discrete hardware circuits, and other suitable hardware configured to perform the various functionality described throughout this disclosure.
  • the network entity 1000 may be configured to perform any one or more of the functions described herein. That is, the processor 1004, as utilized in the network entity 1000, may be used to implement any one or more of the methods or processes described and/or illustrated, for example, in any one or more of FIGs. 5, 6, 7, 8, and/or 9.
  • the processor 1004 may, in some examples, be implemented via a baseband or modem chip, and in other implementations, the processor 1004 may include a number of devices distinct and different from a baseband or modem chip (e.g., in such scenarios as may work in concert to achieve examples discussed herein) . And as mentioned above, various hardware arrangements and components outside of a baseband modem processor can be used in implementations, including RF-chains, power amplifiers, modulators, buffers, interleavers, adders/summers, etc.
  • the processing system 1002 may be implemented with a bus architecture, represented generally by the bus 1006.
  • the bus 1006 may include any number of interconnecting buses and bridges depending on the specific application of the processing system 1002 and the overall design constraints.
  • the bus 1006 couples together (e.g., communicatively couples) various circuits, including one or more processors (represented generally by the processor 1004) , a memory 1008, and computer-readable media (represented generally by the computer-readable medium 1010) .
  • the bus 1006 may also link various other circuits such as timing sources, peripherals, voltage regulators, and power management circuits, which are well known in the art, and, therefore, will not be described any further.
  • a bus interface 1012 provides an interface between the bus 1006 and one or more transceivers (represented generally by transceiver 1014) .
  • the transceiver 1014 may be a wireless transceiver.
  • the transceiver 1014 may provide a means for communicating with various other apparatus over a transmission medium (e.g., air interface) .
  • the transceiver 1014 may further be coupled to an antenna array (s) 1016.
  • the bus interface 1012 further provides an interface between the bus 1006 and a user interface 1028 (e.g., keypad, display, touch screen, speaker, microphone, control features, etc. ) .
  • a user interface 1028 e.g., keypad, display, touch screen, speaker, microphone, control features, etc.
  • the bus interface 1012 further provides an interface between the bus 1006 and a power source 1022 of the network entity 1000.
  • the processor 1004 is responsible for managing the bus 1006 and general processing, including the execution of software stored on the computer-readable medium 1010.
  • the software when executed by the processor 1004, causes the processing system 1002 to perform the various functions described below for any particular apparatus.
  • the computer-readable medium 1010 and the memory 1008 may also be used for storing data that is manipulated by the processor 1004 when executing software.
  • Software shall be construed broadly to mean instructions, instruction sets, code, code segments, program code, programs, subprograms, software modules, applications, software applications, software packages, routines, subroutines, objects, executables, threads of execution, procedures, functions, etc., whether referred to as software, firmware, middleware, microcode, hardware description language, or otherwise.
  • the software may reside on the computer-readable medium 1010. When executed by the processor 1004, the software may cause the processing system 1002 to perform the various processes and functions described herein for any particular apparatus.
  • the computer-readable medium 1010 may be a non-transitory computer-readable medium and may be referred to as a computer-readable storage medium or a non-transitory computer-readable medium.
  • the non-transitory computer-readable medium may store computer-executable code (e.g., processor-executable code) .
  • the computer-executable code may include code for causing a computer (e.g., a processor) to implement one or more of the functions described herein.
  • a non-transitory computer-readable medium includes, by way of example, a magnetic storage device (e.g., hard disk, floppy disk, magnetic strip) , an optical disk (e.g., a compact disc (CD) or a digital versatile disc (DVD) ) , a smart card, a flash memory device (e.g., a card, a stick, or a key drive) , a random access memory (RAM) , a read only memory (ROM) , a programmable ROM (PROM) , an erasable PROM (EPROM) , an electrically erasable PROM (EEPROM) , a register, a removable disk, and any other suitable medium for storing software and/or instructions that may be accessed and read by a computer.
  • a magnetic storage device e.g., hard disk, floppy disk, magnetic strip
  • an optical disk e.g., a compact disc (CD) or a digital versatile disc (DVD)
  • the computer-readable medium 1010 may reside in the processing system 1002, external to the processing system 1002, or distributed across multiple entities including the processing system 1002.
  • the computer-readable medium 1010 may be embodied in a computer program product or article of manufacture.
  • a computer program product or article of manufacture may include a computer-readable medium in packaging materials.
  • the computer-readable medium 1010 may be part of the memory 1008.
  • the processor 1004 may include communication and processing circuitry 1041 configured for various functions, including, for example, communicating with user equipment (e.g., wireless communication device, mobile devices, scheduled entities) , a network core (e.g., a 5G core network) , or any other entity, such as, for example, an entity communicating with the network entity 1000 via the Internet, such as a network provider.
  • the communication and processing circuitry 1041 may include one or more hardware components that provide the physical structure that performs processes related to wireless communication (e.g., signal reception and/or signal transmission) and signal processing (e.g., processing a received signal and/or processing a signal for transmission) .
  • the communication and processing circuitry 1041 may include one or more transmit/receive chains.
  • the communication and processing circuitry 1041 may obtain or identify information from a component of the network entity 1000 (e.g., from the transceiver 1014 that receives the information via radio frequency signaling or some other type of signaling suitable for the applicable communication medium) , process (e.g., decode) the information, and output the processed information.
  • the communication and processing circuitry 1041 may output the information to another component of the processor 1004, to the memory 1008, or to the bus interface 1012.
  • the communication and processing circuitry 1041 may receive one or more of: signals, messages, other information, or any combination thereof.
  • the communication and processing circuitry 1041 may receive information via one or more channels.
  • the communication and processing circuitry 1041 may include functionality for a means for receiving.
  • the communication and processing circuitry 1041 may include functionality for a means for processing, including a means for demodulating, a means for decoding, etc.
  • the communication and processing circuitry 1041 may obtain or identify information (e.g., from another component of the processor 1004, the memory 1008, or the bus interface 1012) , process (e.g., modulate, encode, etc. ) the information, and output the processed information.
  • the communication and processing circuitry 1041 may obtain data stored in the memory 1008 and may process the obtained data according to some aspects of the disclosure.
  • the communication and processing circuitry 1041 may obtain information and output the information to the transceiver 1014 (e.g., transmitting the information via radio frequency signaling or some other type of signaling suitable for the applicable communication medium) .
  • the communication and processing circuitry 1041 may send one or more of signals, messages, other information, or any combination thereof.
  • the communication and processing circuitry 1041 may send information via one or more channels.
  • the communication and processing circuitry 1041 may include functionality for a means for sending (e.g., a means for transmitting) .
  • the communication and processing circuitry 1041 may include functionality for a means for generating, including a means for modulating, a means for encoding, etc.
  • the communication and processing circuitry 1041 may be configured to receive and process uplink traffic and uplink control messages (e.g., similar to uplink traffic 116 and uplink control information 118 of FIG. 1) and process and transmit downlink traffic and downlink control messages (e.g., similar to downlink traffic 112 and downlink control information 114 of FIG. 1) via the antenna array (s) 1016 and the transceiver 1014.
  • the communication and processing circuitry 1041 may further be configured to execute communication and processing instructions 1051 (e.g., software) stored on the computer-readable medium 1010 to implement one or more functions described herein.
  • communication and processing instructions 1051 e.g., software
  • the processor 1004 may include configuration circuitry 1042.
  • the configuration circuitry 1042 may be configured for various functions, including, for example, transmitting a configuration message that includes a first configuration for reporting a first L1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first L1 signal parameter value representing a first maximum value among other L1 signal parameter values associated with other channel measurement resources among the plurality of time domain occasions.
  • the configuration circuitry 1042 may be configured to transmit the configuration message including an indication in the first configuration to include in the report: a time domain occasion identifier associated with the first time domain occasion, and a channel measurement resource identifier associated with the first channel measurement resource.
  • the report may be a single channel state information report.
  • the configuration circuitry 1042 may be configured to transmit the configuration message including an indication in the first configuration to include in the report, in response to there being at least a second channel measurement resource in addition to the first channel measurement resource at the first time domain occasion, at least: the first L1 signal parameter value, and a second L1 signal parameter value corresponding to at least the second channel measurement resource at the first time domain occasion, where the second L1 signal parameter value is differentially quantized with respect to the first L1 signal parameter value.
  • the configuration circuitry 1042 may be configured to transmit the configuration message including an indication in the first configuration to include in the report, in response to there being one or more additional channel measurement resources among the plurality of time domain occasions different from the first time domain occasion, at least: the first L1 signal parameter value, and respective second L1 signal parameter values of the one or more additional channel measurement resources, where each of the respective second L1 signal parameter values is differentially quantized with respect to the first L1 signal parameter value.
  • the configuration circuitry 1042 may be configured to transmit the configuration message including an indication in the first configuration to include in the report, in response to there being at least one additional channel measurement resource at a second time domain occasion among the plurality of time domain occasions different from the first time domain occasion, at least: the first L1 signal parameter value, and a second L1 signal parameter value of the at least one additional channel measurement resource at the second time domain occasion, the second L1 signal parameter value representing a second maximum value among other L1 signal parameter values associated with other channel measurement resources at the second time domain occasion, where the second L1 signal parameter value is differentially quantized with respect to the first L1 signal parameter value.
  • the first configuration further includes an indication to include in the report, in response to there being one or more third additional channel measurement resources at the second time domain occasion, at least: respective third L1 signal parameter values corresponding, respectively, to each of the one or more third additional channel measurement resources at the second time domain occasion, where each of the respective third L1 signal parameter values is differentially quantized with respect to the second L1 signal parameter value.
  • the first configuration may further include an indication to limit the report to include values obtained in connection with at least one of: one or more predicted time domain occasions following a time domain occasion that carries the report, or the time domain occasion that carries the report and one or more predicted time domain occasions following the time domain occasion that carries the report.
  • the first configuration may further include an indication to limit the report to include values obtained corresponding to specific time domain occasions of the plurality of time domain occasions.
  • the specific time domain occasions are specific future time domain occasions.
  • the first configuration further includes an indication to include a confidence level associated with each of the specific future time domain occasions.
  • the specific time domain occasions are defined by one of a plurality of pre-defined channel state information reference resource offsets.
  • a first number of channel measurement resources associated with a first time domain occasion that is proximal in time to a slot carrying the report may be greater than a second number of channel measurement resources associated with a second time domain occasion that is distal in time from the slot carrying the report.
  • the configuration circuitry 1042 may be configured for other functions, including, for example, transmitting a configuration message that includes a first configuration for reporting, in a single report: a first L1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first L1 signal parameter value representing a maximum value among all L1 signal parameter values obtained corresponding to all of the one or more channel measurement resources at the first time domain occasion, and in response to there being more than one channel measurement resource at the first time domain occasion, respective second L1 signal parameter values corresponding to each of the more than one channel measurement resources at the first time domain occasion, where each of the respective second L1 signal parameter values is differentially quantized with respect to the first L1 signal parameter value.
  • the first L1 signal parameter value may correspond to an absolute value representative of a magnitude of the first L1 signal parameter.
  • the single report may be a single channel state information report.
  • the first L1 signal parameter value may be associated with a first channel measurement resource identifier and each of any respective second L1 signal parameter values may be associated with a respective second channel measurement resource identifier.
  • at least one of: a first number of bits used to report the first L1 signal parameter value and a second number of bits used to report each of any respective second L1 signal parameter values are equal across the plurality of time domain occasions, a quantization step-size used to quantize the first L1 signal parameter value and any respective second L1 signal parameter values is constant across the plurality of time domain occasions, or a quantization range definition used to quantize the first L1 signal parameter value and any respective second L1 signal parameter values is constant across the plurality of time domain occasions.
  • a first number of bits used to report any first L1 signal parameter value associated with a given time domain occasion among the plurality of time domain occasions that is proximal in time to a slot carrying the report may be greater than a second number of bits used to report any second L1 signal parameter value associated with a different time domain occasion among the plurality of time domain occasions that is distal in time from the slot carrying the report
  • the configuration circuitry 1042 may be configured to execute configuration instructions 1052 (e.g., software) , stored, for example, on the computer-readable medium 1010, to implement one or more functions described herein.
  • configuration instructions 1052 e.g., software
  • the processor 1004 may include report circuitry 1043.
  • the report circuitry 1043 may be configured for various functions, including, for example, receiving a report (e.g., a single report) in accordance with the first configuration.
  • the report circuitry 1043 may be configured to execute report instructions 1053 (e.g., software) , stored, for example, on the computer-readable medium 1010, to implement one or more functions described herein.
  • FIG. 11 is a flow chart illustrating an exemplary process 1100 (e.g., a method of wireless communication) at a network entity (e.g., a base station, a gNB, a TRP, a scheduling entity) according to some aspects of the disclosure.
  • the process 1100 may occur in a wireless communication network, such as the wireless communication networks of FIGs. 1, 2, 4, and/or 5, for example.
  • a wireless communication network such as the wireless communication networks of FIGs. 1, 2, 4, and/or 5, for example.
  • some or all illustrated features may be omitted in a particular implementation within the scope of the present disclosure, and some illustrated features may not be required for all implementations.
  • the process 1100 may be carried out by the network entity 1000 described and illustrated in connection with FIG. 10.
  • the process 1100 may be carried out by any suitable apparatus or means for carrying out the functions or algorithms described herein.
  • the network entity may transmit a configuration message that includes a first configuration for reporting a first L1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first L1 signal parameter value representing a first maximum value among other L1 signal parameter values associated with other channel measurement resources among the plurality of time domain occasions.
  • the configuration circuitry 1042 in conjunction with, for example, the transceiver 1014 and antenna array (s) 1016, all as shown and described in connection with FIG.
  • a means for transmitting a configuration message that includes a first configuration for reporting a first L1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first L1 signal parameter value representing a first maximum value among other L1 signal parameter values associated with other channel measurement resources among the plurality of time domain occasions.
  • the network entity may receive a report in accordance with the first configuration.
  • the report circuitry 1043 as shown and described in connection with FIG. 10, may provide a means for receiving a report in accordance with the first configuration.
  • FIG. 12 is a flow chart illustrating an exemplary process 1200 (e.g., a method of wireless communication) at a network entity (e.g., a base station, a gNB, a TRP, a scheduling entity) according to some aspects of the disclosure.
  • the process 1200 may occur in a wireless communication network, such as the wireless communication networks of FIGs. 1, 2, 4, and/or 5, for example.
  • a wireless communication network such as the wireless communication networks of FIGs. 1, 2, 4, and/or 5, for example.
  • some or all illustrated features may be omitted in a particular implementation within the scope of the present disclosure, and some illustrated features may not be required for all implementations.
  • the process 1200 may be carried out by the network entity 1000 described and illustrated in connection with FIG. 10.
  • the process 1200 may be carried out by any suitable apparatus or means for carrying out the functions or algorithms described herein.
  • the network entity may transmit a configuration message that includes a first configuration for reporting, in a single report: a first L1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first L1 signal parameter value representing a maximum value among all L1 signal parameter values obtained corresponding to all of the one or more channel measurement resources at the first time domain occasion, and in response to there being more than one channel measurement resource at the first time domain occasion, respective second L1 signal parameter values corresponding to each of the more than one channel measurement resources at the first time domain occasion, where each of the respective second L1 signal parameter values is differentially quantized with respect to the first L1 signal parameter value.
  • the configuration circuitry 1042 may provide a means for transmitting a configuration message that includes a first configuration for reporting, in a single report: a first L1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first L1 signal parameter value representing a maximum value among all L1 signal parameter values obtained corresponding to all of the one or more channel measurement resources at the first time domain occasion, and in response to there being more than one channel measurement resource at the first time domain occasion, respective second L1 signal parameter values corresponding to each of the more than one channel measurement resources at the first time domain occasion, where each of the respective second L1 signal parameter values is differentially quantized with respect to the first L1 signal parameter value.
  • the network entity may receive a single report in accordance with the first configuration.
  • the report circuitry 1043 as shown and described in connection with FIG. 10, may provide a means for receiving a single report in accordance with the first configuration.
  • FIG. 13 is a block diagram illustrating an example of a hardware implementation of a user equipment 1300 (e.g., a wireless communication device, a mobile device, a scheduled entity) employing a processing system 1302 according to some aspects of the disclosure.
  • the user equipment 1300 may be similar to any one or more of the user equipment illustrated and described in FIGs. 1, 2, 4, and/or 5.
  • an element, or any portion of an element, or any combination of elements may be implemented with a processing system 1302 that includes one or more processors 1304.
  • the processing system 1302 may be substantially the same as the processing system 1002 illustrated and described in connection with FIG. 10, including a bus interface 1312, a bus 1306, memory 1308, a processor 1304, and a computer-readable medium 1310.
  • the user equipment 1300 may include a user interface 1328, a transceiver 1314, an antenna array 1316, and a power source 1322, substantially similar to those described above in connection with FIG. 10.
  • the processor 1304, as utilized in the user equipment 1300 may be used to implement any one or more of the processes described below.
  • the processor 1304 may include communication and processing circuitry 1341, configured to communicate with a network entity, similar to any network entity as shown and described in connection with FIG. 1, 2, 4, 5, and/or 10.
  • the communication and processing circuitry 1341 may include one or more hardware components that provide the physical structure that performs processes related to wireless communication (e.g., signal reception and/or signal transmission) and signal processing (e.g., processing a received signal and/or processing a signal for transmission) .
  • the communication and processing circuitry 1341 may further be configured to execute communication and processing instructions 1351 (e.g., software) stored on the computer-readable medium 1310 to implement one or more functions described herein.
  • the communication and processing circuitry 1341 and the communication and processing instructions 1351 may be similar to the communication and processing circuitry 1041 and the communication and processing instructions 1051, respectively, as shown and described in connection with FIG. 10. Accordingly, a detailed description of the communication and processing circuitry 1341 and the communication and processing instructions 1351 is omitted for the sake of brevity.
  • the processor 1304 may include configuration circuitry 1342.
  • the configuration circuitry 1342 may be configured for various functions, including, for example, receiving a configuration message that includes a first configuration for reporting a first L1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first L1 signal parameter value representing a first maximum value among other L1 signal parameter values associated with other channel measurement resources among the plurality of time domain occasions.
  • the configuration circuitry 1342 may be configured to receive the configuration message including an indication in the first configuration to include in the report: a time domain occasion identifier associated with the first time domain occasion, and a channel measurement resource identifier associated with the first channel measurement resource.
  • the report may be a single channel state information report.
  • the configuration circuitry 1342 may be configured to receive the configuration message including an indication in the first configuration to include in the report, in response to there being at least a second channel measurement resource in addition to the first channel measurement resource at the first time domain occasion, at least: the first L1 signal parameter value, and a second L1 signal parameter value corresponding to at least the second channel measurement resource at the first time domain occasion, where the second L1 signal parameter value is differentially quantized with respect to the first L1 signal parameter value.
  • the configuration circuitry 1342 may be configured to receive the configuration message including an indication in the first configuration to include in the report, in response to there being one or more additional channel measurement resources among the plurality of time domain occasions different from the first time domain occasion, at least: the first L1 signal parameter value, and respective second L1 signal parameter values of the one or more additional channel measurement resources, where each of the respective second L1 signal parameter values is differentially quantized with respect to the first L1 signal parameter value.
  • the configuration circuitry 1342 may be configured to receive the configuration message including an indication in the first configuration to include in the report, in response to there being at least one additional channel measurement resource at a second time domain occasion among the plurality of time domain occasions different from the first time domain occasion, at least: the first L1 signal parameter value, and a second L1 signal parameter value of the at least one additional channel measurement resource at the second time domain occasion, the second L1 signal parameter value representing a second maximum value among other L1 signal parameter values associated with other channel measurement resources at the second time domain occasion, where the second L1 signal parameter value is differentially quantized with respect to the first L1 signal parameter value.
  • the first configuration further includes an indication to include in the report, in response to there being one or more third additional channel measurement resources at the second time domain occasion, at least: respective third L1 signal parameter values corresponding, respectively, to each of the one or more third additional channel measurement resources at the second time domain occasion, where each of the respective third L1 signal parameter values is differentially quantized with respect to the second L1 signal parameter value.
  • the first configuration may further include an indication to limit the report to include values obtained in connection with at least one of: one or more predicted time domain occasions following a time domain occasion that carries the report, or the time domain occasion that carries the report and one or more predicted time domain occasions following the time domain occasion that carries the report.
  • the first configuration may further include an indication to limit the report to include values obtained corresponding to specific time domain occasions of the plurality of time domain occasions.
  • the specific time domain occasions are specific future time domain occasions.
  • the first configuration further includes an indication to include a confidence level associated with each of the specific future time domain occasions.
  • the specific time domain occasions are defined by one of a plurality of pre-defined channel state information reference resource offsets.
  • a first number of channel measurement resources associated with a first time domain occasion that is proximal in time to a slot carrying the report may be greater than a second number of channel measurement resources associated with a second time domain occasion that is distal in time from the slot carrying the report.
  • the configuration circuitry 1342 may be configured for other functions, including, for example, receiving a configuration message that includes a first configuration for reporting, in a single report: a first L1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first L1 signal parameter value representing a maximum value among all L1 signal parameter values obtained corresponding to all of the one or more channel measurement resources at the first time domain occasion, and in response to there being more than one channel measurement resource at the first time domain occasion, respective second L1 signal parameter values corresponding to each of the more than one channel measurement resources at the first time domain occasion, where each of the respective second L1 signal parameter values is differentially quantized with respect to the first L1 signal parameter value.
  • the first L1 signal parameter value may correspond to an absolute value representative of a magnitude of the first L1 signal parameter.
  • the single report may be a single channel state information report.
  • the first L1 signal parameter value may be associated with a first channel measurement resource identifier and each of any respective second L1 signal parameter values may be associated with a respective second channel measurement resource identifier.
  • at least one of: a first number of bits used to report the first L1 signal parameter value and a second number of bits used to report each of any respective second L1 signal parameter values are equal across the plurality of time domain occasions, a quantization step-size used to quantize the first L1 signal parameter value and any respective second L1 signal parameter values is constant across the plurality of time domain occasions, or a quantization range definition used to quantize the first L1 signal parameter value and any respective second L1 signal parameter values is constant across the plurality of time domain occasions.
  • a first number of bits used to report any first L1 signal parameter value associated with a given time domain occasion among the plurality of time domain occasions that is proximal in time to a slot carrying the report may be greater than a second number of bits used to report any second L1 signal parameter value associated with a different time domain occasion among the plurality of time domain occasions that is distal in time from the slot carrying the report
  • the configuration circuitry 1342 may be configured to execute configuration instructions 1352 (e.g., software) , stored, for example, on the computer-readable medium 1310, to implement one or more functions described herein.
  • configuration instructions 1352 e.g., software
  • the processor 1304 may include report circuitry 1343.
  • the report circuitry 1343 may be configured for various functions, including, for example, transmitting a report (e.g., a single report) in accordance with the first configuration.
  • the report circuitry 1343 may be configured to execute report instructions 1353 (e.g., software) , stored, for example, on the computer-readable medium 1310, to implement one or more functions described herein.
  • FIG. 14 is a flow chart illustrating an exemplary process 1400 (e.g., a method of wireless communication) at a user equipment (e.g., a wireless communication device, a mobile device, a scheduled entity) according to some aspects of the disclosure.
  • the process 1400 may occur in a wireless communication network, such as the wireless communication networks of FIGs. 1, 2, 4, and/or 5, for example.
  • a wireless communication network such as the wireless communication networks of FIGs. 1, 2, 4, and/or 5, for example.
  • some or all illustrated features may be omitted in a particular implementation within the scope of the present disclosure, and some illustrated features may not be required for all implementations.
  • the process 1400 may be carried out by the user equipment 1300 as described and illustrated in connection with FIG. 13.
  • the process 1400 may be carried out by any suitable apparatus or means for carrying out the functions or algorithms described herein.
  • the user equipment may receive a configuration message that includes a first configuration for reporting a first L1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first L1 signal parameter value representing a first maximum value among other L1 signal parameter values associated with other channel measurement resources among the plurality of time domain occasions.
  • the configuration circuitry 1342 in conjunction with, for example, the transceiver 1314 and antenna array (s) 1316, all as shown and described in connection with FIG.
  • the 13 may provide a means for receiving a configuration message that includes a first configuration for reporting a first L1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first L1 signal parameter value representing a first maximum value among other L1 signal parameter values associated with other channel measurement resources among the plurality of time domain occasions.
  • the user equipment may transmit a report in accordance with the first configuration.
  • the report circuitry 1343 as shown and described in connection with FIG. 13, may provide a means for receiving a report in accordance with the first configuration.
  • FIG. 15 is a flow chart illustrating an exemplary process 1500 (e.g., a method of wireless communication) at a user equipment (e.g., a wireless communication device, a mobile device, a scheduled entity) according to some aspects of the disclosure.
  • the process 1500 may occur in a wireless communication network, such as the wireless communication networks of FIGs. 1, 2, 4, and/or 5, for example.
  • a wireless communication network such as the wireless communication networks of FIGs. 1, 2, 4, and/or 5, for example.
  • some or all illustrated features may be omitted in a particular implementation within the scope of the present disclosure, and some illustrated features may not be required for all implementations.
  • the process 1500 may be carried out by the user equipment 1300 described and illustrated in connection with FIG. 13.
  • the process 1500 may be carried out by any suitable apparatus or means for carrying out the functions or algorithms described herein.
  • the user equipment may receive a configuration message that includes a first configuration for reporting, in a single report: a first L1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first L1 signal parameter value representing a maximum value among all L1 signal parameter values obtained corresponding to all of the one or more channel measurement resources at the first time domain occasion, and in response to there being more than one channel measurement resource at the first time domain occasion, respective second L1 signal parameter values corresponding to each of the more than one channel measurement resources at the first time domain occasion, where each of the respective second L1 signal parameter values is differentially quantized with respect to the first L1 signal parameter value.
  • the configuration circuitry 1342 may provide a means for receiving a configuration message that includes a first configuration for reporting, in a single report: a first L1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first L1 signal parameter value representing a maximum value among all L1 signal parameter values obtained corresponding to all of the one or more channel measurement resources at the first time domain occasion, and in response to there being more than one channel measurement resource at the first time domain occasion, respective second L1 signal parameter values corresponding to each of the more than one channel measurement resources at the first time domain occasion, where each of the respective second L1 signal parameter values is differentially quantized with respect to the first L1 signal parameter value.
  • the user equipment may transmit a single report in accordance with the first configuration.
  • the report circuitry 1343 as shown and described in connection with FIG. 13, may provide a means for transmitting a single report in accordance with the first configuration.
  • a network node a network entity, a mobility element of a network, a radio access network (RAN) node, a core network node, a network element, or a network equipment, such as a base station (BS) , or one or more units (or one or more components) performing base station functionality, may be implemented in an aggregated or disaggregated architecture.
  • RAN radio access network
  • BS base station
  • one or more units (or one or more components) performing base station functionality may be implemented in an aggregated or disaggregated architecture.
  • a BS such as a Node B (NB) , evolved NB (eNB) , NR BS, 5G NB (gNB) , access point (AP) , a transmit receive point (TRP) , or a cell, etc.
  • NB Node B
  • eNB evolved NB
  • gNB 5G NB
  • AP access point
  • TRP transmit receive point
  • a cell etc.
  • a BS such as a Node B (NB) , evolved NB (eNB) , NR BS, 5G NB (gNB) , access point (AP) , a transmit receive point (TRP) , or a cell, etc.
  • a BS such as a Node B (NB) , evolved NB (eNB) , NR BS, 5G NB (gNB) , access point (AP) , a transmit receive point (TRP) , or a cell, etc.
  • a BS such as a No
  • An aggregated base station may be configured to utilize a radio protocol stack that is physically or logically integrated within a single RAN node.
  • a disaggregated base station may be configured to utilize a protocol stack that is physically or logically distributed among two or more units (such as one or more central or centralized units (CUs) , one or more distributed units (DUs) , or one or more radio units (RUs) ) .
  • a CU may be implemented within a RAN node, and one or more DUs may be co-located with the CU, or alternatively, may be geographically or virtually distributed throughout one or multiple other RAN nodes.
  • the DUs may be implemented to communicate with one or more RUs.
  • Each of the CU, DU and RU also can be implemented as virtual units, i.e., a virtual central unit (VCU) , a virtual distributed unit (VDU) , or a virtual radio unit (VRU) .
  • VCU virtual central unit
  • VDU virtual distributed
  • Base station-type operation or network design may consider aggregation characteristics of base station functionality.
  • disaggregated base stations may be utilized in an integrated access backhaul (IAB) network, an open radio access network (O-RAN (such as the network configuration sponsored by the O-RAN Alliance) ) , or a virtualized radio access network (vRAN, also known as a cloud radio access network (C-RAN) ) .
  • Disaggregation may include distributing functionality across two or more units at various physical locations, as well as distributing functionality for at least one unit virtually, which can enable flexibility in network design.
  • the various units of the disaggregated base station, or disaggregated RAN architecture can be configured for wired or wireless communication with at least one other unit.
  • FIG. 16 is a diagram providing a high-level illustration of one example of a configuration of a disaggregated base station according to some aspects of the disclosure.
  • the disaggregated base station 1600 architecture may include one or more central units (CUs) 1610 that can communicate directly with a core network 1620 via a backhaul link, or indirectly with the core network 1620 through one or more disaggregated base station units (such as a Near-Real Time (Near-RT) RAN Intelligent Controller (RIC) 1625 via an E2 link, or a Non-Real Time (Non-RT) RIC 1615 associated with a Service Management and Orchestration (SMO) Framework 1605, or both) .
  • CUs central units
  • RIC Near-Real Time
  • RIC RAN Intelligent Controller
  • SMO Service Management and Orchestration
  • a CU 1610 may communicate with one or more distributed units (DUs) 1630 via respective midhaul links, such as an F1 interface.
  • the DUs 1630 may communicate with one or more radio units (RUs) 1640 via respective fronthaul links.
  • the RUs 1640 may communicate with respective UEs 1650 via one or more radio frequency (RF) access links.
  • RF radio frequency
  • the UE 1650 may be simultaneously served by multiple RUs 1640.
  • Each of the units may include one or more interfaces or be coupled to one or more interfaces configured to receive or transmit signals, data, or information (collectively, signals) via a wired or wireless transmission medium.
  • Each of the units, or an associated processor or controller providing instructions to the communication interfaces of the units can be configured to communicate with one or more of the other units via the transmission medium.
  • the units can include a wired interface configured to receive or transmit signals over a wired transmission medium to one or more of the other units.
  • the units can include a wireless interface, which may include a receiver, a transmitter or transceiver (such as a radio frequency (RF) transceiver) , configured to receive or transmit signals, or both, over a wireless transmission medium to one or more of the other units.
  • a wireless interface which may include a receiver, a transmitter or transceiver (such as a radio frequency (RF) transceiver) , configured to receive or transmit signals, or both, over a wireless transmission medium to one or more of the other units.
  • RF radio frequency
  • the CU 1610 may host one or more higher layer control functions.
  • control functions can include radio resource control (RRC) , packet data convergence protocol (PDCP) , service data adaptation protocol (SDAP) , or the like.
  • RRC radio resource control
  • PDCP packet data convergence protocol
  • SDAP service data adaptation protocol
  • Each control function can be implemented with an interface configured to communicate signals with other control functions hosted by the CU 1610.
  • the CU 1610 may be configured to handle user plane functionality (i.e., Central Unit –User Plane (CU-UP) ) , control plane functionality (i.e., Central Unit –Control Plane (CU-CP) ) , or a combination thereof.
  • the CU 1610 can be logically split into one or more CU-UP units and one or more CU-CP units.
  • the CU-UP unit can communicate bidirectionally with the CU-CP unit via an interface, such as the E1 interface when implemented in an O-RAN configuration.
  • the CU 1610 can be implemented to communicate with the DU 1630, as necessary, for network control and signaling.
  • the DU 1630 may correspond to a logical unit that includes one or more base station functions to control the operation of one or more RUs 1640.
  • the DU 1630 may host one or more of a radio link control (RLC) layer, a medium access control (MAC) layer, and one or more high physical (PHY) layers (such as modules for forward error correction (FEC) encoding and decoding, scrambling, modulation and demodulation, or the like) depending, at least in part, on a functional split, such as those defined by the 3rd Generation Partnership Project (3GPP) .
  • the DU 1630 may further host one or more low PHY layers. Each layer (or module) can be implemented with an interface configured to communicate signals with other layers (and modules) hosted by the DU 1630, or with the control functions hosted by the CU 1610.
  • Lower-layer functionality can be implemented by one or more RUs 1640.
  • an RU 1640 controlled by a DU 1630, may correspond to a logical node that hosts RF processing functions, or low-PHY layer functions (such as performing fast Fourier transform (FFT) , inverse FFT (iFFT) , digital beamforming, physical random access channel (PRACH) extraction and filtering, or the like) , or both, based at least in part on the functional split, such as a lower layer functional split.
  • the RU (s) 1640 can be implemented to handle over the air (OTA) communication with one or more UEs 1650.
  • OTA over the air
  • real-time and non-real-time aspects of control and user plane communication with the RU (s) 1640 can be controlled by the corresponding DU 1630.
  • this configuration can enable the DU (s) 1630 and the CU 1610 to be implemented in a cloud-based RAN architecture, such as a vRAN architecture.
  • the SMO Framework 1605 may be configured to support RAN deployment and provisioning of non-virtualized and virtualized network elements.
  • the SMO Framework 1605 may be configured to support the deployment of dedicated physical resources for RAN coverage requirements which may be managed via an operations and maintenance interface (such as an O1 interface) .
  • the SMO Framework 1605 may be configured to interact with a cloud computing platform (such as an open cloud (O-Cloud) 1690) to perform network element life cycle management (such as to instantiate virtualized network elements) via a cloud computing platform interface (such as an O2 interface) .
  • a cloud computing platform such as an open cloud (O-Cloud) 1690
  • network element life cycle management such as to instantiate virtualized network elements
  • a cloud computing platform interface such as an O2 interface
  • Such virtualized network elements can include, but are not limited to, CUs 1610, DUs 1630, RUs 1640 and Near-RT RICs 1625.
  • the SMO Framework 1605 can communicate with a hardware aspect of a 16G RAN, such as an open eNB (O-eNB) 1611, via an O1 interface. Additionally, in some implementations, the SMO Framework 1605 can communicate directly with one or more RUs 1640 via an O1 interface.
  • the SMO Framework 1605 also may include a Non-RT RIC 1615 configured to support functionality of the SMO Framework 1605.
  • the Non-RT RIC 1615 may be configured to include a logical function that enables non-real-time control and optimization of RAN elements and resources, Artificial Intelligence/Machine Learning (AI/ML) workflows including model training and updates, or policy-based guidance of applications/features in the Near-RT RIC 1625.
  • the Non-RT RIC 1615 may be coupled to or communicate with (such as via an A1 interface) the Near-RT RIC 1625.
  • the Near-RT RIC 1625 may be configured to include a logical function that enables near-real-time control and optimization of RAN elements and resources via data collection and actions over an interface (such as via an E2 interface) connecting one or more CUs 1610, one or more DUs 1630, or both, as well as an O-eNB, with the Near-RT RIC 1625.
  • the Non-RT RIC 1615 may receive parameters or external enrichment information from external servers. Such information may be utilized by the Near-RT RIC 1625 and may be received at the SMO Framework 1605 or the Non-RT RIC 1615 from non-network data sources or from network functions. In some examples, the Non-RT RIC 1615 or the Near-RT RIC 1625 may be configured to tune RAN behavior or performance. For example, the Non-RT RIC 1615 may monitor long-term trends and patterns for performance and employ AI/ML models to perform corrective actions through the SMO Framework 1605 (such as reconfiguration via O1) or via creation of RAN management policies (such as A1 policies) .
  • SMO Framework 1605 such as reconfiguration via O1
  • A1 policies such as A1 policies
  • circuitry included in the processor 1004 of FIG. 10 and/or the processor 1304 of FIG. 13 is merely provided as an example.
  • Other means for carrying out the described processes or functions may be included within various aspects of the present disclosure, including but not limited to the instructions stored in the computer-readable medium 1010 of FIG. 10 and/or the computer-readable medium 1310 of FIG. 13, or any other suitable apparatus or means described in any one of the FIGs. 1, 2, 4, 5, 10, 13, and/or 16 and utilizing, for example, the processes and/or algorithms described herein in relation to FIGs. 6, 7, 8, 9, 11, 12, 14, and/or 15.
  • a network entity comprising: a memory, and a processor coupled to the memory, the processor being configured to: transmit a configuration message that includes a first configuration for reporting a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a first maximum value among other layer-1 signal parameter values associated with other channel measurement resources among the plurality of time domain occasions, and receive a report in accordance with the first configuration.
  • Aspect 2 The network entity of aspect 1, wherein the first layer-1 signal parameter value corresponds to an absolute value representative of a magnitude of the first layer-1 signal parameter.
  • Aspect 3 The network entity of aspect 1 or 2, the processor being further configured to: transmit the configuration message including an indication in the first configuration to include in the report: a time domain occasion identifier associated with the first time domain occasion, and a channel measurement resource identifier associated with the first channel measurement resource.
  • Aspect 4 The network entity of any of aspects 1 through 3, wherein the report is a single channel state information report.
  • Aspect 5 The network entity of any of aspects 1 through 4, the processor being further configured to: transmit the configuration message including an indication in the first configuration to include in the report, in response to there being at least a second channel measurement resource in addition to the first channel measurement resource at the first time domain occasion, at least: the first layer-1 signal parameter value, and a second layer-1 signal parameter value corresponding to at least the second channel measurement resource at the first time domain occasion, wherein the second layer-1 signal parameter value is differentially quantized with respect to the first layer-1 signal parameter value.
  • Aspect 6 The network entity of any of aspects 1 through 5, the processor being further configured to: transmit the configuration message including an indication in the first configuration to include in the report, in response to there being one or more additional channel measurement resources among the plurality of time domain occasions different from the first time domain occasion, at least: the first layer-1 signal parameter value, and respective second layer-1 signal parameter values of the one or more additional channel measurement resources, wherein each of the respective second layer-1 signal parameter values is differentially quantized with respect to the first layer-1 signal parameter value.
  • Aspect 7 The network entity of any of aspects 1 through 6, the processor being further configured to: transmit the configuration message including an indication in the first configuration to include in the report, in response to there being at least one additional channel measurement resource at a second time domain occasion among the plurality of time domain occasions different from the first time domain occasion, at least: the first layer-1 signal parameter value, and a second layer-1 signal parameter value of the at least one additional channel measurement resource at the second time domain occasion, the second layer-1 signal parameter value representing a second maximum value among other layer-1 signal parameter values associated with other channel measurement resources at the second time domain occasion, wherein the second layer-1 signal parameter value is differentially quantized with respect to the first layer-1 signal parameter value.
  • Aspect 8 The network entity of aspect 7, wherein the first configuration further includes an indication to include in the report, in response to there being one or more third additional channel measurement resources at the second time domain occasion, at least: respective third layer-1 signal parameter values corresponding, respectively, to each of the one or more third additional channel measurement resources at the second time domain occasion, wherein each of the respective third layer-1 signal parameter values is differentially quantized with respect to the second layer-1 signal parameter value.
  • Aspect 9 The network entity of any of aspects 1 through 8, wherein the first configuration further includes an indication to limit the report to include values obtained in connection with at least one of: one or more predicted time domain occasions following a time domain occasion that carries the report, or the time domain occasion that carries the report and one or more predicted time domain occasions following the time domain occasion that carries the report.
  • Aspect 10 The network entity of any of aspects 1 through 9, wherein the first configuration further includes an indication to limit the report to include values obtained corresponding to specific time domain occasions of the plurality of time domain occasions.
  • Aspect 11 The network entity of aspect 10, wherein the specific time domain occasions are specific future time domain occasions.
  • Aspect 12 The network entity of aspect 11, wherein the first configuration further includes an indication to include a confidence level associated with each of the specific future time domain occasions.
  • Aspect 13 The network entity of aspect 10, wherein the specific time domain occasions are defined by one of a plurality of pre-defined channel state information reference resource offsets.
  • Aspect 14 The network entity of any of aspects 1 through 13, wherein a first number of channel measurement resources associated with a first time domain occasion that is proximal in time to a slot carrying the report is greater than a second number of channel measurement resources associated with a second time domain occasion that is distal in time from the slot carrying the report.
  • a method of communication at a network entity within a communications network comprising: transmitting a configuration message that includes a first configuration for reporting a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a first maximum value among other layer-1 signal parameter values associated with other channel measurement resources among the plurality of time domain occasions, and receiving a report in accordance with the first configuration.
  • a network entity comprising: means for transmitting a configuration message that includes a first configuration for reporting a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a first maximum value among other layer-1 signal parameter values associated with other channel measurement resources among the plurality of time domain occasions, and means for receiving a report in accordance with the first configuration.
  • a computer-readable medium storing computer-executable code comprising instructions to cause a processor of a network entity to: transmit a configuration message that includes a first configuration for reporting a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a first maximum value among other layer-1 signal parameter values associated with other channel measurement resources among the plurality of time domain occasions, and receive a report in accordance with the first configuration.
  • a network entity comprising a memory, and a processor coupled to the memory, the processor being configured to: transmit a configuration message that includes a first configuration for reporting, in a single report: a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a maximum value among all layer-1 signal parameter values obtained corresponding to all of the one or more channel measurement resources at the first time domain occasion, and in response to there being more than one channel measurement resource at the first time domain occasion, respective second layer-1 signal parameter values corresponding to each of the more than one channel measurement resources at the first time domain occasion, wherein each of the respective second layer-1 signal parameter values is differentially quantized with respect to the first layer-1 signal parameter value, and receive the single report in accordance with the first configuration.
  • Aspect 19 The network entity of aspect 18, wherein the first layer-1 signal parameter value corresponds to an absolute value representative of a magnitude of the first layer-1 signal parameter.
  • Aspect 20 The network entity of aspect 18 or 19, wherein the single report is a single channel state information report.
  • Aspect 21 The network entity of any of aspects 18 through 20, wherein the first layer-1 signal parameter value is associated with a first channel measurement resource identifier and each of any respective second layer-1 signal parameter values is associated with a respective second channel measurement resource identifier.
  • Aspect 22 The network entity of any of aspects 18 through 21, wherein at least one of: a first number of bits used to report the first layer-1 signal parameter value and a second number of bits used to report each of any respective second layer-1 signal parameter values are equal across the plurality of time domain occasions, a quantization step-size used to quantize the first layer-1 signal parameter value and any respective second layer-1 signal parameter values is constant across the plurality of time domain occasions, or a quantization range definition used to quantize the first layer-1 signal parameter value and any respective second layer-1 signal parameter values is constant across the plurality of time domain occasions.
  • Aspect 23 The network entity of any of aspects 18 through 22, wherein a first number of bits used to report any first layer-1 signal parameter value associated with a given time domain occasion among the plurality of time domain occasions that is proximal in time to a slot carrying the report is greater than a second number of bits used to report any second layer-1 signal parameter value associated with a different time domain occasion among the plurality of time domain occasions that is distal in time from the slot carrying the report.
  • a method of communication at a network entity within a communications network comprising: transmitting a configuration message that includes a first configuration for reporting, in a single report: a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a maximum value among all layer-1 signal parameter values obtained corresponding to all of the one or more channel measurement resources at the first time domain occasion, and in response to there being more than one channel measurement resource at the first time domain occasion, respective second layer-1 signal parameter values corresponding to each of the more than one channel measurement resources at the first time domain occasion, wherein each of the respective second layer-1 signal parameter values is differentially quantized with respect to the first layer-1 signal parameter value, and receiving the single report in accordance with the first configuration.
  • a network entity comprising: means for transmitting a configuration message that includes a first configuration for reporting, in a single report: a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a maximum value among all layer-1 signal parameter values obtained corresponding to all of the one or more channel measurement resources at the first time domain occasion, and in response to there being more than one channel measurement resource at the first time domain occasion, respective second layer-1 signal parameter values corresponding to each of the more than one channel measurement resources at the first time domain occasion, wherein each of the respective second layer-1 signal parameter values is differentially quantized with respect to the first layer-1 signal parameter value, and means for receiving the single report in accordance with the first configuration.
  • a computer-readable medium storing computer-executable code comprising instructions to cause a processor of a network entity to: transmit a configuration message that includes a first configuration for reporting, in a single report: a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a maximum value among all layer-1 signal parameter values obtained corresponding to all of the one or more channel measurement resources at the first time domain occasion, and in response to there being more than one channel measurement resource at the first time domain occasion, respective second layer-1 signal parameter values corresponding to each of the more than one channel measurement resources at the first time domain occasion, wherein each of the respective second layer-1 signal parameter values is differentially quantized with respect to the first layer-1 signal parameter value, and receive the single report in accordance with the first configuration.
  • a user equipment comprising: a memory, and a processor coupled to the memory, the processor being configured to: receive a configuration message that includes a first configuration for reporting a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a first maximum value among other layer-1 signal parameter values associated with other channel measurement resources among the plurality of time domain occasions, and transmit a report in accordance with the first configuration.
  • Aspect 28 The user equipment of aspect 27, wherein the first layer-1 signal parameter value corresponds to an absolute value representative of a magnitude of the first layer-1 signal parameter.
  • Aspect 29 The user equipment of aspect 27 or 28, the processor being further configured to: receive the configuration message including an indication in the first configuration to include in the report: a time domain occasion identifier associated with the first time domain occasion, and a channel measurement resource identifier associated with the first channel measurement resource.
  • Aspect 30 The user equipment of any of aspects 27 through 29, wherein the report is a single channel state information report.
  • Aspect 31 The user equipment of any of aspects 27 through 30, the processor being further configured to: receive the configuration message including an indication in the first configuration to include in the report, in response to there being at least a second channel measurement resource in addition to the first channel measurement resource at the first time domain occasion, at least: the first layer-1 signal parameter value, and a second layer-1 signal parameter value corresponding to at least the second channel measurement resource at the first time domain occasion, wherein the second layer-1 signal parameter value is differentially quantized with respect to the first layer-1 signal parameter value.
  • Aspect 32 The user equipment of any of aspects 27 through 31, the processor being further configured to: receive the configuration message including an indication in the first configuration to include in the report, in response to there being one or more additional channel measurement resources among the plurality of time domain occasions different from the first time domain occasion, at least: the first layer-1 signal parameter value, and respective second layer-1 signal parameter values of the one or more additional channel measurement resources, wherein each of the respective second layer-1 signal parameter values is differentially quantized with respect to the first layer-1 signal parameter value.
  • the processor being further configured to: receive the configuration message including an indication in the first configuration to include in the report, in response to there being at least one additional channel measurement resource at a second time domain occasion among the plurality of time domain occasions different from the first time domain occasion, at least: the first layer-1 signal parameter value, and a second layer-1 signal parameter value of the at least one additional channel measurement resource at the second time domain occasion, the second layer-1 signal parameter value representing a second maximum value among other layer-1 signal parameter values associated with other channel measurement resources at the second time domain occasion, wherein the second layer-1 signal parameter value is differentially quantized with respect to the first layer-1 signal parameter value.
  • the first configuration further includes an indication to include in the report, in response to there being one or more third additional channel measurement resources at the second time domain occasion, at least: respective third layer-1 signal parameter values corresponding, respectively, to each of the one or more third additional channel measurement resources at the second time domain occasion, wherein each of the respective third layer-1 signal parameter values is differentially quantized with respect to the second layer-1 signal parameter value.
  • Aspect 35 The user equipment of any of aspects 27 through 34, wherein the first configuration further includes an indication to limit the report to include values obtained in connection with at least one of: one or more predicted time domain occasions following a time domain occasion that carries the report, or the time domain occasion that carries the report and one or more predicted time domain occasions following the time domain occasion that carries the report.
  • Aspect 36 The user equipment of any of aspects 27 through 35, wherein the first configuration further includes an indication to limit the report to include values obtained corresponding to specific time domain occasions of the plurality of time domain occasions.
  • Aspect 37 The user equipment of aspect 36, wherein the specific time domain occasions are specific future time domain occasions.
  • Aspect 38 The user equipment of aspect 37, wherein the first configuration further includes an indication to include a confidence level associated with each of the specific future time domain occasions.
  • Aspect 39 The user equipment of aspect 36, wherein the specific time domain occasions are defined by one of a plurality of pre-defined channel state information reference resource offsets.
  • Aspect 40 The user equipment of any of aspects 27 through 39, wherein a first number of channel measurement resources associated with a first time domain occasion that is proximal in time to a slot carrying the report is greater than a second number of channel measurement resources associated with a second time domain occasion that is distal in time from the slot carrying the report.
  • a method of communication at a user equipment within a communications network comprising: receiving a configuration message that includes a first configuration for reporting a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a first maximum value among other layer-1 signal parameter values associated with other channel measurement resources among the plurality of time domain occasions, and transmitting a report in accordance with the first configuration.
  • a user equipment comprising: means for receiving a configuration message that includes a first configuration for reporting a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a first maximum value among other layer-1 signal parameter values associated with other channel measurement resources among the plurality of time domain occasions, and means for transmitting a report in accordance with the first configuration.
  • a computer-readable medium storing computer-executable code comprising instructions to cause a processor of a user equipment to: receive a configuration message that includes a first configuration for reporting a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a first maximum value among other layer-1 signal parameter values associated with other channel measurement resources among the plurality of time domain occasions, and transmit a report in accordance with the first configuration.
  • a user equipment comprising a memory, and a processor coupled to the memory, the processor being configured to: receive a configuration message that includes a first configuration for reporting, in a single report: a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a maximum value among all layer-1 signal parameter values obtained corresponding to all of the one or more channel measurement resources at the first time domain occasion, and in response to there being more than one channel measurement resource at the first time domain occasion, respective second layer-1 signal parameter values corresponding to each of the more than one channel measurement resources at the first time domain occasion, wherein each of the respective second layer-1 signal parameter values is differentially quantized with respect to the first layer-1 signal parameter value, and transmit the single report in accordance with the first configuration.
  • Aspect 45 The user equipment of aspect 44, wherein the first layer-1 signal parameter value corresponds to an absolute value representative of a magnitude of the first layer-1 signal parameter.
  • Aspect 46 The user equipment of aspect 44 or 45, wherein the single report is a single channel state information report.
  • Aspect 47 The user equipment of any of aspects 44 through 46, wherein the first layer-1 signal parameter value is associated with a first channel measurement resource identifier and each of any respective second layer-1 signal parameter values is associated with a respective second channel measurement resource identifier.
  • Aspect 48 The user equipment of any of aspects 44 through 47, wherein at least one of: a first number of bits used to report the first layer-1 signal parameter value and a second number of bits used to report each of any respective second layer-1 signal parameter values are equal across the plurality of time domain occasions, a quantization step-size used to quantize the first layer-1 signal parameter value and any respective second layer-1 signal parameter values is constant across the plurality of time domain occasions, or a quantization range definition used to quantize the first layer-1 signal parameter value and any respective second layer-1 signal parameter values is constant across the plurality of time domain occasions.
  • Aspect 49 The user equipment of any of aspects 44 through 48, wherein a first number of bits used to report any first layer-1 signal parameter value associated with a given time domain occasion among the plurality of time domain occasions that is proximal in time to a slot carrying the report is greater than a second number of bits used to report any second layer-1 signal parameter value associated with a different time domain occasion among the plurality of time domain occasions that is distal in time from the slot carrying the report.
  • a method of communication at a user equipment within a communications network comprising: receiving a configuration message that includes a first configuration for reporting, in a single report: a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a maximum value among all layer-1 signal parameter values obtained corresponding to all of the one or more channel measurement resources at the first time domain occasion, and in response to there being more than one channel measurement resource at the first time domain occasion, respective second layer-1 signal parameter values corresponding to each of the more than one channel measurement resources at the first time domain occasion, wherein each of the respective second layer-1 signal parameter values is differentially quantized with respect to the first layer-1 signal parameter value, and transmitting the single report in accordance with the first configuration.
  • a user equipment comprising: means for receiving a configuration message that includes a first configuration for reporting, in a single report: a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a maximum value among all layer-1 signal parameter values obtained corresponding to all of the one or more channel measurement resources at the first time domain occasion, and in response to there being more than one channel measurement resource at the first time domain occasion, respective second layer-1 signal parameter values corresponding to each of the more than one channel measurement resources at the first time domain occasion, wherein each of the respective second layer-1 signal parameter values is differentially quantized with respect to the first layer-1 signal parameter value, and means for transmitting the single report in accordance with the first configuration.
  • a computer-readable medium storing computer-executable code comprising instructions to cause a processor of a user equipment to: receive a configuration message that includes a first configuration for reporting, in a single report: a first layer-1 signal parameter value corresponding to a first channel measurement resource among one or more channel measurement resources at a first time domain occasion among a plurality of time domain occasions, the first layer-1 signal parameter value representing a maximum value among all layer-1 signal parameter values obtained corresponding to all of the one or more channel measurement resources at the first time domain occasion, and in response to there being more than one channel measurement resource at the first time domain occasion, respective second layer-1 signal parameter values corresponding to each of the more than one channel measurement resources at the first time domain occasion, wherein each of the respective second layer-1 signal parameter values is differentially quantized with respect to the first layer-1 signal parameter value, and transmit the single report in accordance with the first configuration.
  • various aspects may be implemented within other systems defined by 3GPP, such as Long-Term Evolution (LTE) , the Evolved Packet System (EPS) , the Universal Mobile Telecommunication System (UMTS) , and/or the Global System for Mobile (GSM) .
  • LTE Long-Term Evolution
  • EPS Evolved Packet System
  • UMTS Universal Mobile Telecommunication System
  • GSM Global System for Mobile
  • Various aspects may also be extended to systems defined by the 3rd Generation Partnership Project 2 (3GPP2) , such as CDMA 2000 and/or Evolution-Data Optimized (EV-DO) .
  • 3GPP2 3rd Generation Partnership Project 2
  • EV-DO Evolution-Data Optimized
  • Other examples may be implemented within systems employing IEEE 802.11 (Wi-Fi) , IEEE 802.16 (WiMAX) , IEEE 802.20, Ultra-Wideband (UWB) , Bluetooth, and/or other suitable systems.
  • Wi-Fi IEEE 802.11
  • WiMAX IEEE 8
  • the word “exemplary” is used to mean “serving as an example, instance, or illustration. ” Any implementation or aspect described herein as “exemplary” is not necessarily to be construed as preferred or advantageous over other aspects of the disclosure. Likewise, the term “aspects” does not require that all aspects of the disclosure include the discussed feature, advantage, or mode of operation.
  • the term “coupled” is used herein to refer to the direct or indirect coupling between two objects. For example, if object A physically touches object B, and object B touches object C, then objects A and C may still be considered coupled to one another-even if they do not directly physically touch each other.
  • circuit and “circuitry” are used broadly, and intended to include both hardware implementations of electrical devices and conductors that, when connected and configured, enable the performance of the functions described in the present disclosure, without limitation as to the type of electronic circuits, as well as software implementations of information and instructions that, when executed by a processor, enable the performance of the functions described in the present disclosure.
  • FIGs. 1–16 One or more of the components, steps, features and/or functions illustrated in FIGs. 1–16 may be rearranged and/or combined into a single component, step, feature, or function or embodied in several components, steps, or functions. Additional elements, components, steps, and/or functions may also be added without departing from novel features disclosed herein.
  • the apparatus, devices, and/or components illustrated in FIGs. 1–16 may be configured to perform one or more of the methods, features, or steps described herein.
  • the novel algorithms described herein may also be efficiently implemented in software and/or embedded in hardware.
  • “at least one of: a, b, or c” is intended to cover: a; b; c; a and b; a and c; b and c; and a, b and c.
  • the construct A and/or B is intended to cover: A; B; and A and B.
  • the word “obtain” as used herein may mean, for example, acquire, calculate, construct, derive, determine, receive, and/or retrieve.
  • the preceding list is exemplary and not limiting. All structural and functional equivalents to the elements of the various aspects described throughout this disclosure that are known or later come to be known to those of ordinary skill in the art are expressly incorporated herein by reference and are intended to be encompassed by the claims.

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Abstract

Un premier rapport comprend une première valeur de paramètre de signal de couche 1 (valeur L1) correspondant à une première ressource de mesure de canal (CMR) parmi une ou plusieurs CMR lors d'une première occasion de domaine temporel (TD) parmi une pluralité d'occasions TD, la première valeur L1 représentant une valeur maximale parmi d'autres CMR parmi la pluralité d'occasions TD. Un second rapport comprend une première valeur L1 correspondant à une première CMR parmi une ou plusieurs CMR lors d'une première occasion TD parmi une pluralité d'occasions TD, la première valeur L1 représentant une valeur maximale parmi toutes les valeurs associées à la ou aux CMR lors de la première occasion TD, et comprend en outre des secondes valeurs de paramètres de signaux de couche 1 respectives correspondant à des CMR restantes lors de la première occasion TD, chaque valeur L1 restante étant quantifiée de manière différentielle par rapport à la première valeur L1.
PCT/CN2022/113814 2022-08-22 2022-08-22 Rapport de couche 1 capturant de multiples occasions de domaine temporel WO2024040366A1 (fr)

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