Variable bit allocation for potential message segments

Abstract

Various aspects of the present disclosure generally relate to wireless communications. In some aspects, a user equipment (UE) may select a variable bit allocation indicating a quantization size for a respective segment of a potential message representing channel state information. The UE may quantize the respective segment to form a potential message based at least in part on the quantization size of the respective segment. The UE may transmit the variable bit assignment with the potential message. Numerous other aspects are described.

Description

Technical Field

[0001] All aspects of this disclosure relate to wireless communication in general, and to techniques and apparatus for transmitting segments for potential messages using variable bit allocation. Background Technology

[0002] Wireless communication systems are widely deployed to provide a variety of telecommunications services, such as telephone, video, data, messaging, and broadcasting. Typical wireless communication systems employ multiple access technologies that enable communication with multiple users by sharing available system resources (e.g., bandwidth, transmit power, etc.). Examples of such multiple access technologies include Code Division Multiple Access (CDMA) systems, Time Division Multiple Access (TDMA) systems, Frequency Division Multiple Access (FDMA) systems, Orthogonal Frequency Division Multiple Access (OFDMA) systems, Single Carrier Frequency Division Multiple Access (SC-FDMA) systems, Time Division Synchronous Code Division Multiple Access (TD-SCDMA) systems, and Long Term Evolution (LTE). LTE / LTE-Advanced is a collection of enhancements to the Universal Mobile Telecommunications System (UMTS) mobile standard issued by the 3rd Generation Partnership Project (3GPP).

[0003] A wireless network may include one or more network nodes that support communication for wireless communication devices, such as user equipment (UE) or multiple UEs. A UE may communicate with network nodes via downlink and uplink communication. A "downlink" (or "DL") refers to the communication link from the network node to the UE, and an "uplink" (or "UL") refers to the communication link from the UE to the network node. Some wireless networks may support device-to-device communication, such as via local links (e.g., sidelinks (SL), wireless local area network (WLAN) links, and / or wireless personal area network (WPAN) links, etc.).

[0004] The aforementioned multiple access technologies have been adopted in various telecommunications standards to provide a common protocol that enables different UEs to communicate at the city, country, region, and / or global levels. New Radio (NR) (which may be referred to as 5G) is a set of enhancements to the LTE mobile standard issued by 3GPP. NR is designed to better support mobile broadband internet access by: improving spectrum efficiency; reducing costs; improving service; utilizing new spectrum; and better integrating with other open standards by using Orthogonal Frequency Division Multiplexing (OFDM) with Cyclic Prefix (CP) on the downlink (CP-OFDM), and CP-OFDM and / or Single Carrier Frequency Division Multiplexing (SC-FDM) (also known as Discrete Fourier Transform Extended OFDM (DFT-s-OFDM)) on the uplink; and supporting beamforming, Multiple-Input Multiple-Output (MIMO) antenna technologies and carrier aggregation. Further improvements to LTE, NR, and other radio access technologies remain useful as the demand for mobile broadband access continues to increase. Summary of the Invention

[0005] Some aspects described herein relate to a method for wireless communication performed by a user equipment (UE). The method may include selecting a variable bit allocation indicating the quantization size of a corresponding segment of a potential message, the potential message representing channel state information (CSI). The method may include quantizing the corresponding segment to form the potential message based at least in part on the quantization size of the corresponding segment. The method may include transmitting the variable bit allocation along with the potential message.

[0006] Some aspects described herein relate to a method for wireless communication performed by a network entity. This method may include receiving a variable bit allocation along with a potential message representing a CSI, the variable bit allocation indicating the quantization size of a quantization segment of the potential message. This method may include decoding the quantization segment based at least in part on the quantization size indicated by the variable bit allocation.

[0007] Some aspects described herein relate to a method for wireless communication performed by a UE. This method may include generating a first portion of a potential message for a first port or subband set and a second portion of a potential message for a second port or subband set, the potential message being associated with a CSI. The method may also include transmitting the potential message.

[0008] Some aspects described herein relate to a UE for wireless communication. The UE may include one or more memories and one or more processors coupled to the one or more memories. The one or more processors may be configured to select a variable bit allocation indicating the quantization size of a corresponding segment of a potential message, the potential message representing a CSI. The one or more processors may be configured to quantize the corresponding segment to form the potential message, at least in part, based on the quantization size of the corresponding segment. The one or more processors may be configured to transmit the variable bit allocation along with the potential message.

[0009] Some aspects described herein relate to a network entity for wireless communication. The network entity may include one or more memories and one or more processors coupled to the one or more memories. The one or more processors may be configured to receive variable bit allocation along with a potential message representing a CSI, the variable bit allocation indicating the quantization size of a quantization segment of the potential message. The one or more processors may be configured to decode the quantization segment at least in part based on the quantization size indicated by the variable bit allocation.

[0010] Some aspects described herein relate to a UE for wireless communication. The UE may include one or more memories and one or more processors coupled to the one or more memories. The one or more processors may be configured to generate a first portion of a potential message for a first port or subband set and a second portion of a potential message for a second port or subband set, the potential messages being associated with a CSI. The one or more processors may be configured to transmit the potential messages.

[0011] Some aspects described herein relate to a non-transitory computer-readable medium storing a set of instructions for wireless communication by a UE. When executed by one or more processors of the UE, the set of instructions enables the UE to select a variable bit allocation indicating the quantization size of a corresponding segment of a potential message, the potential message representing a CSI. When executed by one or more processors of the UE, the set of instructions enables the UE to quantize the corresponding segment at least in part based on the quantization size of the corresponding segment to form the potential message. When executed by one or more processors of the UE, the set of instructions enables the UE to transmit the variable bit allocation along with the potential message.

[0012] Some aspects described herein relate to a non-transitory computer-readable medium storing a set of instructions for wireless communication by a network entity. When executed by one or more processors of the network entity, the set of instructions enables the network entity to receive a variable bit allocation along with a potential message representing a quantization segment of the potential message, the variable bit allocation indicating the quantization size of the quantization segment. When executed by one or more processors of the network entity, the set of instructions enables the network entity to decode the quantization segment at least in part based on the quantization size indicated by the variable bit allocation.

[0013] Some aspects described herein relate to a non-transitory computer-readable medium storing a set of instructions for wireless communication by a UE. When executed by one or more processors of the UE, the set of instructions enables the UE to generate a first portion of a potential message for a first port or subband set and a second portion of a potential message for a second port or subband set, the potential message being associated with a CSI. When executed by one or more processors of the UE, the set of instructions enables the UE to transmit the potential message.

[0014] Some aspects described herein relate to an apparatus for wireless communication. The apparatus may be configured to include components for selecting a variable bit allocation indicating the quantization size of a corresponding segment of a potential message, the potential message representing a CSI. The apparatus may include components for quantizing the corresponding segment to form the potential message, at least in part based on the quantization size of the corresponding segment. The apparatus may include components for transmitting the variable bit allocation along with the potential message.

[0015] Some aspects described herein relate to an apparatus for wireless communication. The apparatus may include components for receiving a variable bit allocation along with a potential message representing a CSI, the variable bit allocation indicating the quantization size of a quantization segment of the potential message. The apparatus may include components for decoding the quantization segment at least in part based on the quantization size indicated by the variable bit allocation.

[0016] Some aspects described herein relate to an apparatus for wireless communication. The apparatus may include components for generating a first portion for a first port or subband set and a second portion for a second port or subband set of potential messages, the potential messages being associated with a CSI. The apparatus may also include components for transmitting the potential messages.

[0017] The entirety of the categories includes methods, apparatus, systems, computer program products, non-transitory computer-readable media, UEs, base stations, network entities, network nodes, wireless communication devices, and / or processing systems as fully described herein with reference to the accompanying drawings and description and illustrated as illustrated in the drawings and description.

[0018] The features and technical advantages of the examples according to this disclosure have been summarized rather extensively above in order to better understand the detailed description below. Additional features and advantages will be described below. The disclosed concepts and specific examples can be readily used as the basis for modifying or designing other structures for achieving the same purpose of this disclosure. Such equivalent constructions do not depart from the scope of the appended claims. The characteristics of the concepts disclosed herein, in both their organization and manner of operation, and the associated advantages, will be better understood by considering the following description in conjunction with the accompanying drawings. Each of the drawings provided is for illustrative and descriptive purposes and not as a definition of limitation of the claims.

[0019] While aspects are described herein by way of example, those skilled in the art will understand that such aspects can be implemented in many different arrangements and scenarios. The techniques described herein can be implemented using different platform types, devices, systems, shapes, sizes, and / or package arrangements. For example, some aspects can be implemented via integrated chip implementations or other devices based on non-modular components (e.g., end-user equipment, vehicles, communication equipment, computing devices, industrial equipment, retail / shopping devices, medical devices, and / or artificial intelligence devices). Aspects can be implemented in chip-level components, modular components, non-modular components, non-chip-level components, device-level components, and / or system-level components. Devices incorporating the described aspects and features may include additional components and features for implementing and practicing the claimed and described aspects. For example, the transmission and reception of wireless signals may include one or more components for analog and digital purposes (e.g., hardware components including antennas, radio frequency (RF) chains, power amplifiers, modulators, buffers, processors, interleavers, adders, and / or summers). The aspects described herein are intended to be practiced in a wide variety of devices, components, systems, distributed arrangements, and / or end-user equipment of various sizes, shapes, and configurations. Attached Figure Description

[0020] To gain a full understanding of the foregoing features of this disclosure, a more specific description of the invention, briefly outlined above, can be obtained by referring to various aspects, some of which are illustrated in the accompanying drawings. However, it should be noted that the drawings illustrate only certain typical aspects of this disclosure and are therefore not to be considered as limiting its scope, as the description acknowledges other equally valid aspects. The same reference numerals in different drawings may identify the same or similar elements.

[0021] Figure 1 This is a diagram illustrating an example of a wireless network according to the present disclosure.

[0022] Figure 2 This is a diagram illustrating an example of communication between a network node and a user equipment (UE) in a wireless network according to the present disclosure.

[0023] Figure 3 This is a diagram illustrating an example decomposed base station architecture according to this disclosure.

[0024] Figure 4 This is a diagram illustrating an example of a beam management process according to this disclosure.

[0025] Figure 5 This is a diagram illustrating an example of a variable bit allocation associated with the transmission of a segment for a potential message in accordance with this disclosure, based on feedback of channel state information (CSI).

[0026] Figure 6This is a diagram illustrating an example of the selection of variable bit allocation according to this disclosure.

[0027] Figure 7 This is a diagram illustrating an example of variable bit allocation and quantization segment ordering according to this disclosure.

[0028] Figure 8 This is a diagram illustrating an example of partitioning and subsampling according to this disclosure.

[0029] Figure 9 This is a diagram illustrating an example of sorting a set of potential messages according to this disclosure.

[0030] Figure 10 This is a diagram illustrating an example procedure performed by a UE according to this disclosure, for example.

[0031] Figure 11 This is a diagram illustrating an example process performed, for example, by a network entity according to this disclosure.

[0032] Figure 12 This is a diagram illustrating an example procedure performed by a UE according to this disclosure, for example.

[0033] Figure 13 This is a diagram of an example device for wireless communication according to the present disclosure.

[0034] Figure 14 This is a diagram of an example device for wireless communication according to the present disclosure. Detailed Implementation

[0035] User equipment (UE) can measure reference signals and report channel state information (CSI) feedback that provides channel information. In some aspects, CSI feedback based on artificial intelligence (AI) or machine learning (ML) can be replaced by a CSI encoder and decoder instead of a codebook. The encoder output can be a potential message that includes the CSI feedback. The AI / ML-based decoder can receive the potential message. The potential message can be unstructured or structured.

[0036] Based on the various aspects described herein, a UE can transmit potential messages (representing CSI feedback) with quantization segments of varying size. The quantization size can be indicated by a variable bit allocation. The variable bit allocation can indicate the number of bits in the length of the quantization segment of the potential message. The UE can utilize potential messages (such as those in Uplink Control Information (UCI)) to transmit variable bit allocations. By using variable quantization sizes and transmitting variable bit allocations along with potential messages, the UE can have the flexibility to customize potential messages to better represent CSI feedback. The UE can save signaling resources and improve CSI accuracy for enhanced communication. Network entities can use the quantization size indicated by the variable bit allocation to decode segments of the potential message.

[0037] Various aspects of this disclosure are described more fully below with reference to the accompanying drawings. However, this disclosure may be embodied in many different forms and should not be construed as limited to any particular structure or function presented throughout this disclosure. Rather, these aspects are provided so that this disclosure will be comprehensive and complete, and will fully convey the scope of this disclosure to those skilled in the art. Those skilled in the art will appreciate that the scope of this disclosure is intended to cover any aspect of this disclosure disclosed herein, whether implemented independently of or in combination with any other aspect of this disclosure. For example, any number of aspects set forth herein may be used to implement an apparatus or method of practice. Furthermore, the scope of this disclosure is intended to cover such apparatuses or methods implemented using structures, functions, or structures and functions other than or different from the various aspects of the disclosure set forth herein. It should be understood that any aspect of the disclosure herein may be embodied by one or more elements of the claims.

[0038] Various devices and techniques will now be used to illustrate several aspects of a telecommunications system. These devices and techniques will be described in detail below and illustrated in the accompanying drawings by various blocks, modules, components, circuits, steps, processes, or algorithms (collectively, “elements”). These elements can be implemented using hardware, software, or a combination thereof. Whether these elements are implemented as hardware or software depends on the specific application and the design constraints imposed on the system as a whole.

[0039] Although terms generally associated with 5G or New Radio (NR) Radio Access Technology (RAT) may be used herein to describe aspects, aspects of this disclosure may be applied to other RATs, such as 3G RAT, 4G RAT and / or 5G and later (e.g., 6G) RATs.

[0040] Figure 1This is a diagram illustrating an example of a wireless network 100 according to the present disclosure. The wireless network 100 may be a 5G (e.g., NR) network and / or a 4G (e.g., Long Term Evolution (LTE)) network, or may include elements of a 5G (e.g., NR) network and / or elements of a 4G (e.g., LTE) network, etc. The wireless network 100 may include one or more network nodes 110 (shown as network node 110a, network node 110b, network node 110c, and network node 110d), one or more UEs 120 (shown as UE 120a, UE 120b, UE 120c, UE 120d, and UE 120e), and / or other entities. Network node 110 is a network node that communicates with UE 120. As shown, network node 110 may include one or more network nodes. For example, network node 110 can be an aggregated network node, meaning that the aggregated network node is configured to utilize a radio protocol stack that is physically or logically integrated within a single radio access network (RAN) node (e.g., within a single device or unit). As another example, network node 110 can be a decomposed network node (sometimes referred to as a decomposed base station), meaning that network node 110 is configured to utilize a protocol stack that is physically or logically distributed among two or more nodes (such as one or more central units (CUs), one or more distributed units (DUs), or one or more radio units (RUs)).

[0041] In some examples, network node 110 is or includes network nodes (such as RUs) that communicate with UE 120 via a radio access link. In some examples, network node 110 is or includes network nodes (such as DUs) that communicate with other network nodes 110 via a fronthaul or midhaul link. In some examples, network node 110 is or includes network nodes (such as CUs) that communicate with other network nodes 110 via a midhaul link or with the core network via a backhaul link. In some examples, network node 110 (such as aggregated network node 110 or decomposed network node 110) may include multiple network nodes, such as one or more RUs, one or more CUs, and / or one or more DUs. Network node 110 may include, for example, NR base stations, LTE base stations, Node Bs, eNBs (e.g., in 4G), gNBs (e.g., in 5G), access points, Transmit / Receive Points (TRPs), DUs, RUs, CUs, network mobility elements, core network nodes, network elements, network equipment, RAN nodes, or combinations thereof. In some examples, network nodes 110 can interconnect with each other or with one or more other network nodes 110 in the wireless network 100 using any suitable transport network through various types of fronthaul interfaces, midhaul interfaces, and / or backhaul interfaces (such as direct physical connections, air interfaces, or virtual networks).

[0042] In some examples, network node 110 may provide communication coverage for a specific geographic area. In the 3rd Generation Partnership Project (3GPP), depending on the context in which the term is used, the term "cell" may refer to the coverage area of ​​network node 110 and / or the network node subsystem serving that coverage area. Network node 110 may provide communication coverage for macrocells, picocells, femtocells, and / or another type of cell. A macrocell may cover a relatively large geographic area (e.g., a radius of several kilometers) and may allow unrestricted access by UE 120 with a service subscription. A picocell may cover a relatively small geographic area and may allow unrestricted access by UE 120 with a service subscription. A femtocell may cover a relatively small geographic area (e.g., a home) and may allow restricted access by UE 120 associated with the femtocell (e.g., UE 120 in a Closed Subscriber Group (CSG)). Network node 110 used for macrocells may be referred to as a macro network node. Network node 110 used for picocells may be referred to as a pico network node. The network node 110 used for femtocells can be referred to as a femtocell network node or a home network node. Figure 1 In the example shown, network node 110a can be a macro network node for macro cell 102a, network node 110b can be a pico network node for pico cell 102b, and network node 110c can be a femto network node for femto cell 102c. Network nodes can support one or more (e.g., three) cells. In some examples, the cells may not necessarily be stationary, and the geographical area of ​​the cells may move depending on the location of the mobile network node 110 (e.g., a mobile network node).

[0043] In some aspects, the term "base station" or "network node" may refer to an aggregated base station, a decomposed base station, an integrated access and backhaul (IAB) node, a relay node, or one or more components thereof. For example, in some aspects, "base station" or "network node" may refer to a CU, DU, RU, a near real-time (near RT) RAN intelligent controller (RIC), or a non-real-time (non-RT) RIC, or a combination thereof. In some aspects, the term "base station" or "network node" may refer to a device configured to perform one or more functions (such as those described herein in conjunction with network node 110). In some aspects, the term "base station" or "network node" may refer to multiple devices configured to perform one or more functions. For example, in some distributed systems, each of multiple different devices (which may be located in the same geographical location or different geographical locations) may be configured to perform at least a portion of a function, or to repeatedly perform at least a portion of that function, and the term "base station" or "network node" may refer to any one or more of these different devices. In some aspects, the term "base station" or "network node" may refer to one or more virtual base stations or one or more virtual base station functions. For example, in some aspects, two or more base station functions can be instantiated on a single device. In some aspects, the term "base station" or "network node" may refer to one base station function rather than another. In this way, a single device can include more than one base station.

[0044] Wireless network 100 may include one or more relay stations. A relay station is a network node that can receive data transmissions from upstream nodes (e.g., network node 110 or UE 120) and transmit data to downstream nodes (e.g., UE 120 or network node 110). A relay station may be a UE 120 that can relay transmissions for other UE 120s. Figure 1 In the example shown, network node 110d (e.g., a relay network node) can communicate with network node 110a (e.g., a macro network node) and UE 120d to facilitate communication between network node 110a and UE 120d. The network node 110 for relay communication may be referred to as a relay station, relay base station, relay network node, relay node, relay, etc.

[0045] Wireless network 100 can be a heterogeneous network, comprising different types of network nodes 110, such as macro network nodes, pico network nodes, femto network nodes, relay network nodes, etc. These different types of network nodes 110 may have different transmit power levels, different coverage areas, and / or different effects on interference in wireless network 100. For example, macro network nodes may have high transmit power levels (e.g., 5 watts to 40 watts), while pico network nodes, femto network nodes, and relay network nodes may have lower transmit power levels (e.g., 0.1 watts to 2 watts).

[0046] Network controller 130 may be coupled to or communicate with a group of network nodes 110, and may provide coordination and control for these network nodes 110. Network controller 130 may communicate with network nodes 110 via a backhaul or midhaul link. Network nodes 110 may also communicate directly with each other, or indirectly via a wireless or wired backhaul link. In some aspects, network controller 130 may be a CU or a core network device, or may include a CU or a core network device.

[0047] UE 120 may be distributed throughout the wireless network 100, and each UE 120 may be stationary or mobile. UE 120 may include, for example, access terminals, terminals, mobile stations, and / or subscriber units. UE 120 may be a cellular phone (e.g., a smartphone), a personal digital assistant (PDA), a wireless modem, a wireless communication device, a handheld device, a laptop computer, a cordless phone, a wireless local loop (WLL) station, a tablet computer, a camera, a gaming device, a netbook, a smartbook, an ultrabook, a medical device, a biometric device, a wearable device (e.g., a smartwatch, smart clothing, smart glasses, a smart wristband, smart jewelry (e.g., a smart ring or smart bracelet)), an entertainment device (e.g., a music device, a video device, and / or a satellite radio), a vehicle component or sensor, a smart meter / sensor, industrial manufacturing equipment, a GPS device, a UE function of a network node, and / or any other suitable device configured to communicate via wireless or wired media.

[0048] Some UEs 120 may be considered machine-type communication (MTC) or evolved or enhanced machine-type communication (eMTC) UEs. MTC UEs and / or eMTC UEs may include, for example, robots, unmanned aerial vehicles, remote devices, sensors, instruments, monitors, and / or location tags that can communicate with network nodes, another device (e.g., a remote device), or some other entity. Some UEs 120 may be considered Internet of Things (IoT) devices and / or may be implemented as NB-IoT (Narrowband IoT) devices. Some UEs 120 may be considered customer premises equipment. UEs 120 may be included within a housing that houses the components of the UE 120, such as processor components and / or memory components. In some examples, the processor components and memory components may be coupled together. For example, the processor components (e.g., one or more processors) and memory components (e.g., memory) may be operatively coupled, communicatively coupled, electronically coupled, and / or electrically coupled.

[0049] Generally, any number of wireless networks 100 can be deployed in a given geographical area. Each wireless network 100 can support a specific RAT and can operate on one or more frequencies. A RAT may be referred to as a radio technology, air interface, etc. A frequency may be referred to as a carrier, frequency channel, etc. Each frequency in a given geographical area can support a single RAT to avoid interference between wireless networks using different RATs. In some cases, NR or 5G RAT networks can be deployed.

[0050] In some examples, two or more UEs 120 (e.g., shown as UE 120a and UE 120e) may communicate directly using one or more sidelink channels (e.g., without using network node 110 as an intermediary device to communicate with each other). For example, UE 120 may communicate using peer-to-peer (P2P) communication, device-to-device (D2D) communication, vehicle-to-everything (V2X) protocols (e.g., which may include vehicle-to-vehicle (V2V) protocols, vehicle-to-infrastructure (V2I) protocols, or vehicle-to-pedestrian (V2P) protocols) and / or mesh networks. In such examples, UE 120 may perform scheduling operations, resource selection operations, and / or other operations described elsewhere herein as being performed by network node 110.

[0051] Devices in Wireless Network 100 can communicate using the electromagnetic spectrum, which can be subdivided into various categories, bands, channels, etc., based on frequency or wavelength. For example, devices in Wireless Network 100 can communicate using one or more operating frequency bands. In 5G NR, two initial operating frequency bands have been designated as frequency ranges FR1 (410MHz to 7.125GHz) and FR2 (24.25GHz to 52.6GHz). It should be understood that although a portion of FR1 is greater than 6GHz, FR1 is often (interchangeably) referred to as the “sub-6GHz” band in various documents and articles. Similar naming issues sometimes occur with FR2, which is often (interchangeably) referred to as the “millimeter wave” band in documents and articles, although this is different from the Extremely High Frequency (EHF) band (30GHz-300GHz) designated as a “millimeter wave” band by the International Telecommunication Union (ITU).

[0052] The frequencies between FR1 and FR2 are generally referred to as intermediate frequency (IF) bands. Recent 5G NR studies have designated the operating bands for these IF bands as the frequency range designation FR3 (7.125GHz-24.25GHz). Bands falling within FR3 can inherit FR1 and / or FR2 characteristics, thus effectively extending the features of FR1 and / or FR2 to IF band frequencies. Furthermore, higher frequency bands are currently being explored to extend 5G NR operation beyond 52.6GHz. For example, three higher operating frequency bands have been designated as the frequency range designations FR4a or FR4-1 (52.6GHz-71GHz), FR4 (52.6GHz-114.25GHz), and FR5 (114.25GHz-300GHz). Each of these higher frequency bands falls within the EHF band.

[0053] Considering the examples above, unless otherwise specifically stated, it should be understood that if the term "below 6 GHz" is used herein, it can broadly refer to frequencies below 6 GHz, within FR1, or including intermediate frequency bands. Furthermore, unless otherwise specifically stated, it should be understood that if the term "millimeter wave" is used herein, it can broadly refer to frequencies that can include intermediate frequency bands, within FR2, FR4, FR4-a, or FR4-1 and / or FR5, or within the EHF band. Modifications to frequencies included in these operating frequency bands (e.g., FR1, FR2, FR3, FR4, FR4-a, FR4-1, and / or FR5) are contemplated, and the techniques described herein are applicable to those modified frequency ranges.

[0054] In some aspects, the UE (e.g., UE 120) may include a communication manager 140. As described in more detail elsewhere herein, the communication manager 140 may select a variable bit allocation indicating the quantization size of a corresponding segment of a potential message, the potential message representing a CSI. The communication manager 140 may quantize the corresponding segment to form the potential message based at least in part on the quantization size of the corresponding segment. The communication manager 140 may transmit the variable bit allocation along with the potential message.

[0055] In some respects, the communication manager 140 can generate a first portion of a potential message for a first port or subband set and a second portion of a potential message for a second port or subband set, the potential message being associated with CSI. The communication manager 140 can send the potential message. Additionally or alternatively, the communication manager 140 can perform one or more other operations described herein.

[0056] In some aspects, network entities (e.g., network node 110) may include a communication manager 150. As described in more detail elsewhere herein, the communication manager 150 may receive a variable bit allocation along with a potential message representing the CSI, the variable bit allocation indicating the quantization size of a quantization segment of the potential message. The communication manager 150 may decode the quantization segment at least in part based on the quantization size indicated by the variable bit allocation. Additionally or alternatively, the communication manager 150 may perform one or more other operations described herein.

[0057] As indicated above, Figure 1 This is provided as an example. Other examples are available with reference to [the relevant information]. Figure 1 The examples described are different.

[0058] Figure 2 This is a diagram illustrating example 200 of communication between network node 110 and UE 120 in a wireless network 100 according to this disclosure. Network node 110 may be equipped with a set of antennas 234a to 234t, such as T antennas (T≥1). UE 120 may be equipped with a set of antennas 252a to 252r, such as R antennas (R≥1). Network node 110 of example 200 includes one or more radio frequency components, such as antennas 234 and modems 232. In some examples, network node 110 may include an interface, communication components, or another component facilitating communication with UE 120 or another network node. Some network nodes 110 may not include radio frequency components facilitating direct communication with UE 120, such as one or more CUs or one or more DUs.

[0059] At network node 110, transmitting processor 220 can receive data from data source 212 intended for use by UE 120 (or a group of UEs 120). Transmitting processor 220 can select one or more modulation and decoding schemes (MCS) for UE 120, at least in part, based on one or more Channel Quality Indicators (CQIs) received from UE 120. Network node 110 can process (e.g., encode and modulate) the data for UE 120, at least in part, based on the MCS selected for UE 120, and can provide data symbols for UE 120. Transmitting processor 220 can process system information (e.g., for Semi-Static Resource Allocation Information (SRPI)) and control information (e.g., CQI requests, grants, and / or upper-layer signaling), and provide overhead symbols and control symbols. Transmitting processor 220 can generate reference symbols for reference signals (e.g., Cell-Specific Reference Signal (CRS) or Demodulation Reference Signal (DMRS)) and synchronization signals (e.g., Primary Synchronization Signal (PSS) or Secondary Synchronization Signal (SSS)). The transmit (TX) multiple-input multiple-output (MIMO) processor 230 can perform spatial processing (e.g., pre-decoding) on ​​data symbols, control symbols, overhead symbols, and / or reference symbols, where applicable, and can provide a set of output symbol streams (e.g., T output symbol streams) to a set of corresponding modems 232 (e.g., T modems) (shown as modems 232a to 232t). For example, each output symbol stream can be provided to a modulator component (shown as MOD) of modem 232. Each modem 232 can use a corresponding modulator component to process the corresponding output symbol stream (e.g., for OFDM) to obtain an output sample stream. Each modem 232 can also use a corresponding modulator component to process the output sample stream (e.g., convert to analog, amplify, filter, and / or up-convert) to obtain a downlink signal. Modems 232a to 232t can transmit a set of downlink signals (e.g., T downlink signals) via a corresponding set of antennas 234 (e.g., T antennas) (shown as antennas 234a to 234t).

[0060] At UE 120, a set of antennas 252 (shown as antennas 252a to 252r) can receive downlink signals from network node 110 and / or other network nodes 110 and can provide a set of received signals (e.g., R received signals) to a set of modems 254 (e.g., R modems) (shown as modems 254a to 254r). For example, each received signal can be provided to a demodulator component (shown as DEMOD) of modem 254. Each modem 254 can use a corresponding demodulator component to condition (e.g., filter, amplify, downconvert, and / or digitize) the received signal to obtain an input sample. Each modem 254 can use the demodulator component to further process the input sample (e.g., for OFDM) to obtain a received symbol. MIMO detector 256 can obtain the received symbols from modem 254, perform MIMO detection on the received symbols where applicable, and provide the detected symbols. The receiver processor 258 can process (e.g., demodulate and decode) the detected symbols, provide the decoded data for UE 120 to data sink 260, and provide the decoded control information and system information to controller / processor 280. The term "controller / processor" can refer to one or more controllers, one or more processors, or a combination thereof. The channel processor can determine Reference Signal Received Power (RSRP) parameters, Received Signal Strength Indicator (RSSI) parameters, Reference Signal Received Quality (RSRQ) parameters, and / or CQI parameters, etc. In some examples, one or more components of UE 120 may be included in housing 284.

[0061] Network controller 130 may include communication unit 294, controller / processor 290, and memory 292. Network controller 130 may include one or more devices, for example, in a core network. Network controller 130 may communicate with network node 110 via communication unit 294.

[0062] One or more antennas (e.g., antennas 234a to 234t and / or antennas 252a to 252r) may include one or more antenna panels, one or more antenna groups, one or more sets of antenna elements and / or one or more antenna arrays, etc., or may be included within one or more antenna panels, one or more antenna groups, one or more sets of antenna elements and / or one or more antenna arrays, etc. Antenna panels, antenna groups, sets of antenna elements and / or antenna arrays may include one or more antenna elements (within a single housing or multiple housings), a set of coplanar antenna elements, a set of non-coplanar antenna elements and / or be coupled to one or more transmitting and / or receiving components (such as...). Figure 2 One or more antenna elements (one or more components in a )

[0063] On the uplink, at UE 120, the transmit processor 264 can receive and process data from data source 262 and control information from controller / processor 280 (e.g., for reporting including RSRP, RSSI, RSRQ, and / or CQI). The transmit processor 264 can generate reference symbols for one or more reference signals. The symbols from the transmit processor 264 can be pre-decoded by the TX MIMO processor 266 where applicable, further processed by the modem 254 (e.g., for DFT-s-OFDM or CP-OFDM), and transmitted to network node 110. In some examples, the modem 254 of UE 120 may include a modulator and demodulator. In some examples, UE 120 includes a transceiver. The transceiver may include any combination of antenna 252, modem 254, MIMO detector 256, receive processor 258, transmit processor 264, and / or TX MIMO processor 266. The transceiver may be used by a processor (e.g., controller / processor 280) and memory 282 to execute this document (e.g., reference). Figures 4 to 14 ( ) any aspect of the method described in the method.

[0064] At network node 110, uplink signals from UE 120 and / or other UEs may be received by antenna 234, processed by modem 232 (e.g., demodulator component of modem 232 (shown as DEMOD)), detected by MIMO detector 236 (where applicable), and further processed by receive processor 238 to obtain decoded data and control information transmitted by UE 120. Receive processor 238 may provide the decoded data to data sink 239 and the decoded control information to controller / processor 240. Network node 110 may include communication unit 244 and may communicate with network controller 130 via communication unit 244. Network node 110 may include scheduler 246 to schedule one or more UEs 120 for downlink and / or uplink communication. In some examples, modem 232 of network node 110 may include modulator and demodulator. In some examples, network node 110 includes transceiver. The transceiver may include any combination of antenna 234, modem 232, MIMO detector 236, receive processor 238, transmit processor 220, and / or TX MIMO processor 230. The transceiver may be used by a processor (e.g., controller / processor 240) and memory 242 to execute this document (e.g., reference). Figures 4 to 14 ( ) any aspect of the method described in the method.

[0065] The controller / processor of the network entity (e.g., controller / processor 240 of network node 110), the controller / processor 280 of UE 120, and / or Figure 2 Any other component may perform one or more techniques associated with variable bit allocation of segments for potential messages sent in response to CSI feedback, as described in more detail elsewhere herein. For example, the controller / processor 240 of network node 110, the controller / processor 280 of UE 120, and / or Figure 2 Any other component that can be executed or bootstrap, for example Figure 10 Process 1000 Figure 11 Process 1100 Figure 12 The operation of process 1200 and / or other processes as described herein. Memory 242 and memory 282 may store data and program code for network node 110 and UE 120, respectively. In some examples, memory 242 and / or memory 282 may include a non-transitory computer-readable medium storing one or more instructions (e.g., code and / or program code) for wireless communication. For example, one or more instructions, when executed by one or more processors of network node 110 and / or UE 120 (e.g., directly executed, or executed after compilation, transformation, and / or interpretation), may cause the one or more processors, UE 120, and / or network node 110 to execute or bootstrap, for example... Figure 10 Process 1000 Figure 11 Process 1100 Figure 12 The operation of process 1200 and / or other processes as described herein. In some examples, the execution instructions may include run instructions, transform instructions, compile instructions and / or interpret instructions, etc.

[0066] In some aspects, the UE (e.g., UE 120) includes: a component for selecting a variable bit allocation indicating the quantization size of a corresponding segment of a potential message, the potential message representing a CSI; a component for quantizing the corresponding segment to form the potential message based at least in part on the quantization size of the corresponding segment; and / or a component for transmitting the variable bit allocation along with the potential message.

[0067] In some aspects, the UE includes: a first portion for generating potential messages for a first port or subband set and a second portion for generating potential messages for a second port or subband set, the potential messages being associated with CSI; and / or a portion for transmitting potential messages. Components enabling the UE to perform the operations described herein may include, for example, one or more of the following: a communication manager 140, an antenna 252, a modem 254, a MIMO detector 256, a receive processor 258, a transmit processor 264, a TX MIMO processor 266, a controller / processor 280, or a memory 282.

[0068] In some aspects, a network entity (e.g., network node 110) includes: components for receiving variable bit allocations along with a potential message representing CSI, the variable bit allocations indicating the quantization size of quantization segments of the potential message; and / or components for decoding the quantization segments at least in part based on the quantization size indicated by the variable bit allocations. In some aspects, components for the network entity to perform the operations described herein may include, for example, one or more of a communication manager 150, a transmit processor 220, a TX MIMO processor 230, a modem 232, an antenna 234, a MIMO detector 236, a receive processor 238, a controller / processor 240, a memory 242, or a scheduler 246.

[0069] Although Figure 2 The boxes in the diagram are illustrated as different components, but the functions described above for these boxes may be implemented in a single hardware, software, or combined component, or in various combinations of components. For example, the functions described for transmit processor 264, receive processor 258, and / or TX MIMO processor 266 may be performed by or under the control of controller / processor 280.

[0070] As indicated above, Figure 2 This is provided as an example. Other examples are available with reference to [the relevant information]. Figure 2 The examples described are different.

[0071] The deployment of communication systems such as 5G NR systems can be arranged in a variety of ways using various components or parts. In a 5G NR system or network, network nodes, network entities, network mobility elements, RAN nodes, core network nodes, network elements, base stations, or network equipment can be implemented in aggregated or decomposed architectures. For example, base stations (such as Node B (NB), evolved NB (eNB), NR base stations, 5G NB, access points (APs), TRPs, or cells, etc.) or one or more units (or components) performing base station functions can be implemented as aggregated base stations (also known as standalone base stations or monolithic base stations) or decomposed base stations. A "network entity" or "network node" can refer to a decomposed base station or one or more units of a decomposed base station (such as one or more CUs, one or more DUs, one or more RUs, or combinations thereof).

[0072] Aggregated base stations (e.g., aggregated network nodes) can be configured to utilize a radio protocol stack that is physically or logically integrated within a single RAN node (e.g., within a single device or cell). Decomposed base stations (e.g., decomposed network nodes) can be configured to utilize a protocol stack that is physically or logically distributed across two or more cells (such as one or more CUs, one or more DUs, or one or more RUs). In some examples, the CU may be implemented within a network node, and one or more DUs may be co-located with the CU, or alternatively, may be geographically or virtually distributed across one or more other network nodes. DUs may be implemented to communicate with one or more RUs. Each of the CU, DU, and RU may also be implemented as a virtual cell, such as a Virtual Central Unit (VCU), a Virtual Distributed Unit (VDU), or a Virtual Radio Unit (VRU), etc.

[0073] Base station type operation or network design can take into account the aggregation characteristics of base station functionality. For example, decomposed base stations can be utilized in IAB networks, Open Radio Access Networks (O-RAN (such as network configurations initiated by the O-RAN Alliance)), or Virtualized Radio Access Networks (vRAN, also known as Cloud Radio Access Networks (C-RAN)) to facilitate the scaling of communication systems by separating base station functionality into one or more units that can be deployed independently. Decomposed base stations can include functionality implemented by two or more units across various physical locations, as well as functionality virtually implemented for at least one unit, which enables flexibility in network design. Each unit of a decomposed base station can be configured for wired or wireless communication with at least one other unit of the decomposed base station.

[0074] Figure 3 This is an illustration of an example disaggregated base station architecture 300 according to this disclosure. The disaggregated base station architecture 300 may include a CU 310, which may communicate directly with the core network 320 via a backhaul link, or indirectly with the core network 320 via one or more disaggregated control units (such as near-RT RIC 325 via an E2 link, or a non-RT RIC 315 associated with a Service Management and Orchestration (SMO) framework 305, or both). The CU 310 may communicate with one or more DUs 330 via a corresponding midhaul link (such as via an F1 interface). Each DU 330 may communicate with one or more RUs 340 via a corresponding fronthaul link. Each RU 340 may communicate with one or more UEs 120 via a corresponding radio frequency (RF) access link. In some implementations, a UE 120 may be served simultaneously by multiple RUs 340.

[0075] Each unit in the clusters (including CU 310, DU 330, RU 340), as well as the near-RT RIC 325, non-RT RIC 315, and SMO frame 305, may include or be coupled to one or more interfaces configured to receive or transmit signals, data, or information (collectively, signals) via wired or wireless transmission media. Each unit in the cluster, or an associated processor or controller providing instructions to one or more communication interfaces of the corresponding unit, may be configured to communicate with one or more units in other clusters via transmission media. In some examples, each unit in the cluster may include a wired interface and a wireless interface configured to receive signals via a wired transmission media or transmit signals to one or more units in other clusters, and the wireless interface may include a receiver, transmitter, or transceiver (such as an RF transceiver) configured to receive signals via a wireless transmission media or transmit signals to one or more units in other clusters, or both.

[0076] In some aspects, the CU 310 can host one or more higher-level control functions. Such control functions may include Radio Resource Control (RRC) functions, Packet Data Convergence Protocol (PDCP) functions, or Service Data Adaptation Protocol (SDAP) functions, etc. Each control function can be implemented using an interface configured to signal to other control functions hosted by the CU 310. The CU 310 can be configured to handle user plane functions (e.g., Central Unit-User Plane (CU-UP) functions), control plane functions (e.g., Central Unit-Control Plane (CU-CP) functions), or combinations thereof. In some implementations, the CU 310 can be logically split into one or more CU-UP units and one or more CU-CP units. When implemented in an O-RAN configuration, the CU-UP units can communicate bidirectionally with the CU-CP units via an interface such as an E1 interface. The CU 310 can be implemented to communicate with the DU 330 for network control and signaling purposes, as needed.

[0077] Each DU 330 may correspond to a logical unit comprising one or more base station functions for controlling the operation of one or more RU 340s. In some aspects, the DU 330 may host one or more of the Radio Link Control (RLC) layer, Medium Access Control (MAC) layer, and one or more high physical (PHY) layers, at least in part, according to functional splits (such as those defined by 3GPP). In some aspects, the one or more high PHY layers may be implemented by one or more modules for forward error correction (FEC) encoding and decoding, scrambling, and modulation and demodulation. In some aspects, the DU 330 may also host one or more low PHY layers, such as those implemented by one or more modules for Fast Fourier Transform (FFT), Inverse FFT (iFFT), Digital Beamforming, or Physical Random Access Channel (PRACH) extraction and filtering. Each layer (which may also be referred to as a module) may be implemented using an interface configured to communicate signals with other layers (and modules) hosted by the DU 330 or with control functions hosted by the CU 310.

[0078] Each RU 340 can implement lower-layer functionality. In some deployments, an RU 340 controlled by a DU 330 can correspond to a logical node that hosts RF processing functions or low-PHY layer functions, such as performing FFT, performing iFFT, digital beamforming, or PRACH extraction and filtering, based on function splitting (e.g., function splitting defined by 3GPP) (such as lower-layer function splitting). In this architecture, each RU 340 can be operated to handle over-the-air (OTA) communications with one or more UEs 120. In some specific implementations, the real-time and non-real-time aspects of control plane and user plane communications with the RU 340 can be controlled by the corresponding DU 330. In some scenarios, this configuration allows each DU 330 and CU 310 to be implemented in a cloud-based RAN architecture, such as a vRAN architecture.

[0079] The SMO framework 305 can be configured to support RAN deployment and provisioning of both non-virtualized and virtualized network elements. For non-virtualized network elements, the SMO framework 305 can be configured to support the deployment of dedicated physical resources for RAN coverage requirements, which can be managed via operation and maintenance interfaces such as the O1 interface. For virtualized network elements, the SMO framework 305 can be configured to interact with cloud computing platforms such as the Open Cloud (O-Cloud) platform 390 to perform network element lifecycle management (such as instantiating virtualized network elements) via cloud computing platform interfaces such as the O2 interface. Such virtualized network elements may include, but are not limited to, CU 310, DU 330, RU 340, non-RT RIC 315, and near-RTTRIC 325. In some specific implementations, the SMO framework 305 may communicate with the hardware aspects of the 4G RAN, such as the Open eNB (O-eNB) 311, via the O1 interface. Additionally, in some implementations, the SMO framework 305 can communicate directly with each of one or more RUs 340 via a corresponding O1 interface. The SMO framework 305 may also include a non-RT RIC 315 configured to support the functionality of the SMO framework 305.

[0080] The non-RT RIC 315 can be configured to include logical functions enabling non-real-time control and optimization of RAN elements and resources, including artificial intelligence / machine learning (AI / ML) workflows for model training and updates, or policy-based guidance for applications / features in the near-RT RIC 325. The non-RT RIC 315 can be coupled to or communicate with the near-RT RIC 325, such as via an A1 interface. The near-RT RIC 325 can be configured to include logical functions enabling near real-time control and optimization of RAN elements and resources via data collection and actions through an interface such as an E2 interface, connecting one or more CU 310s, one or more DU 330s, or both, and O-eNBs to the near-RT RIC 325.

[0081] In some implementations, to generate AI / ML models to be deployed in the near-RT RIC 325, the non-RT RIC 315 may receive parameters or external enrichment information from an external server. This information can be utilized by the near-RT RIC 325 and can be received from non-network data sources or network functions at the SMO framework 305 or the non-RT RIC 315. In some examples, the non-RT RIC 315 or near-RT RIC 325 may be configured to tune RAN behavior or performance. For example, the non-RT RIC 315 may monitor long-term trends and patterns in performance and employ AI / ML models to perform corrective actions via the SMO framework 305 (such as reconfiguration via the O1 interface) or via the creation of RAN management policies (such as A1 interface policies).

[0082] As indicated above, Figure 3 This is provided as an example. Other examples are available with reference to [the relevant information]. Figure 3 The examples described are different.

[0083] Figure 4 These are illustrations of examples 400, 410, and 420 illustrating beam management processes according to this disclosure. Figure 4 As shown, Examples 400, 410, and 420 include a UE 120 that communicates with a network entity (e.g., network node 110) in a wireless network (e.g., wireless network 100). However, Figure 4 The device shown is provided as an example, and the wireless network can support communication and beam management between other devices (e.g., between UE 120 and network node 110 or TRP, between mobile terminal node and control node, between IAB child node and IAB parent node, and / or between scheduled node and scheduling node). In some aspects, UE 120 and network node 110 can be in a connected state (e.g., Radio Resource Control (RRC) connected state).

[0084] like Figure 4 As shown, Example 400 may include a network node (NN) 110 and a UE 120 communicating to perform beam management using a CSI reference signal (CSI-RS). Example 400 depicts a first beam management procedure (e.g., P1 CSI-RS beam management). The first beam management procedure may be referred to as a beam selection procedure, an initial beam acquisition procedure, a beam scanning procedure, a cell search procedure, and / or a beam search procedure. Figure 4As shown in Example 400, CSI-RS can be configured to be transmitted from network node 110 to UE 120. CSI-RS can be configured to be periodic (e.g., using RRC signaling), semi-persistent (e.g., using MAC control element (MAC CE) signaling), and / or aperiodic (e.g., using downlink control information (DCI)).

[0085] The first beam management process may include network node 110 performing beam scanning on multiple transmit (Tx) beams. Network node 110 may use each transmit beam for beam management to transmit CSI-RS. To enable UE 120 to perform receive (Rx) beam scanning, the base station may use the transmit beams to transmit each CSI-RS multiple times (e.g., using repetition) within the same reference signal (RS) resource set, allowing UE 120 to scan the receive beam in multiple transmit instances. For example, if network node 110 has a set of N transmit beams and UE 120 has a set of M receive beams, then CSI-RS may be transmitted M times on each of the N transmit beams, allowing UE 120 to receive M instances of CSI-RS per transmit beam. In other words, for each transmit beam of network node 110, UE 120 may perform beam scanning of UE 120's receive beam. Therefore, the first beam management procedure enables UE 120 to measure CSI-RS on different transmit beams using different receive beams to support the selection of beam pairs for the transmit beam of network node 110 / receive beam of UE 120. UE 120 may report the measurements to network node 110 so that network node 110 can select one or more beam pairs for communication between network node 110 and UE 120. Although Example 400 has been described in conjunction with CSI-RS, the first beam management procedure may also use synchronization signal blocks (SSBs) to perform beam management in a similar manner as described above.

[0086] like Figure 4 As shown, Example 410 may include network node 110 and UE 120 communicating to perform beam management using CSI-RS. Example 410 depicts a second beam management procedure (e.g., P2 CSI-RS beam management). This second beam management procedure may be referred to as a beam refinement procedure, a base station beam refinement procedure, a TRP beam refinement procedure, and / or a transmit beam refinement procedure. Figure 4As shown in Example 410, CSI-RS can be configured to be transmitted from network node 110 to UE 120. CSI-RS can be configured to be aperiodic (e.g., using DCI) or A-CSI. A second beam management procedure may include network node 110 performing beam scanning on one or more transmit beams. These one or more transmit beams may be a subset of all transmit beams associated with network node 110 (e.g., determined at least in part based on measurements reported by UE 120 in conjunction with the first beam management procedure). Network node 110 may use each of the one or more transmit beams used for beam management to transmit CSI-RS. UE 120 may use a single (e.g., the same) receive beam (e.g., determined at least in part based on measurements performed in conjunction with the first beam management procedure) to measure each CSI-RS. This second beam management process enables network node 110 to select the optimal transmit beam based at least in part on (e.g., measurements of the CSI-RS reported by UE 120 using a single receive beam)

[0087] like Figure 4 As shown, Example 420 depicts a third beam management process (e.g., P3 CSI-RS beam management). This third beam management process may be referred to as a beam refinement process, a UE beam refinement process, and / or a receive beam refinement process. Figure 4 As shown in Example 420, one or more CSI-RS can be configured to be transmitted from network node 110 to UE 120. The CSI-RS can be configured to be non-periodic (e.g., using DCI). The third beam management procedure may include network node 110 transmitting one or more CSI-RS using a single transmit beam (e.g., determined at least in part based on measurements reported by UE 120 in conjunction with the first beam management procedure and / or the second beam management procedure). To enable UE 120 to perform receive beam scanning, the base station may use the transmit beam to transmit (e.g., utilize repetition) CSI-RS multiple times within the same RS resource set, allowing UE 120 to scan with one or more receive beams in multiple transmission instances. The one or more receive beams may be a subset of all receive beams associated with UE 120 (e.g., determined at least in part based on measurements performed in conjunction with the first beam management procedure and / or the second beam management procedure). This third beam management process enables network node 110 and / or UE 120 to select the optimal receive beam based at least in part on reported measurements received from UE 120 (e.g., reported measurements of the CSI-RS of the transmit beam using one or more receive beams).

[0088] Coherent Joint Transmission (CJT) involves multiple transmitters, each transmitting messages with phases that are constructively combined at the receiver. CJT can include beamforming using antennas that are not co-located and correspond to different TRPs. CJT can improve signal power and spatial diversity of communications in NR networks.

[0089] UE 120 can measure CSI-RS and transmit CSI reports indicating CSI, such as Pre-decoded Matrix Indicators (PMIs). A PMI is a matrix representing how data is transmitted at the antenna port. CSI reports may include codebooks, which are collections of pre-decoders or one or more PMIs. Type I codebooks may include predefined matrices. Type II codebooks may include more detailed CSI reports for multi-user MIMO and may include beamgroups. CSI acquisition can be enhanced for CJTs of multiple TRPs (e.g., up to four TRPs). Enhanced Type II codebooks (eType-II codebooks) can be eType-II codebook structures, which can be generalized as follows: , among which are used The pre-decoder on each subband is written as ,in These are the combination coefficients for the i-th spatial basis (beam) and the m-th frequency basis, and It includes all coefficients. Matrix, such as yes Spatial domain (SD) basis, yes A matrix containing all SD bases, and yes FD base; It contains all FD bases Matrix. L can be a spatial domain basis, such as beam configuration or TRP. M can be a frequency domain basis. The eType-II extension of CJT can be applied individually to the TRP and then combined via common phase: ,in and It is the associated eType-II pre-decoder for TRP1 and TRP2, and It is a scaler for the common phase (or a vector for different subbands). The eType-II pre-decoder can be used jointly across TRPs, where And the difference relative to 1 is and They are calculated together.

[0090] For eType-II CSI, parameters can include an SD cardinality configuration represented as #SD: ​​L={2,4,6}. Frequency domain cardinality can be represented as #FD: and The coefficients may include an amplitude scaling factor (p) and a β offset factor (β). Non-zero coefficients (NZC) can be represented as #NZC: Network entities can use RRC messages to configure... A combination of 8 (1 out of 8).

[0091] In some respects, CSI feedback based on artificial intelligence (AI) or machine learning (ML) can be replaced by a CSI encoder and decoder instead of a codebook. The AI / ML-based encoder can be similar to the PMI search algorithm. Encoder inputs can include the downlink channel matrix H, the downlink pre-decoder V, or the interference covariance matrix R. nn The encoder output may include a potential message that incorporates CSI feedback. An AI / ML-based decoder can receive this potential message. The decoder may be analogous to a PMI codebook used to convert CSI report bits into PMI codewords. The decoder output may include a downlink channel matrix H, a transmit covariance matrix, a downlink pre-decoder V, an interference covariance matrix, the original channel, or a whitened channel (e.g., whitened by a demodulation filter).

[0092] The latent message can be unstructured or structured. An unstructured latent message can be a sequence of bits with a payload that is explicitly configured or derived based on the number of ports, the number of subbands, and / or the rank. A structured latent message can be constructed from dz, Q, and cw_len, where dz is the dimension of the latent message, Q is the number of bits per quantization dimension, and cw_len is the codeword length of the segment. Multiple allowed combinations of {dz, Q, cw_len} can be specified. In one example, the total dimension dz of the latent message can be 64, or... And cw_len = 4 can be the length used for vector quantization (i.e., VQ is applied to a length of cw_len). (A vector of 1). The potential message can be quantized by Q digits. However, under these current schemes, signaling resources may be wasted or CSI accuracy may be reduced.

[0093] As indicated above, Figure 4 This is provided as an example of a beam management process. Other examples of beam management processes can be found in relation to [the relevant documentation / information]. Figure 4 The examples described are different. For example, UE 120 and network node 110 may perform the third beam management procedure before performing the second beam management procedure, and / or UE 120 and network node 110 may perform a similar beam management procedure to select the UE transmit beam.

[0094] Figure 5 This is a diagram illustrating example 500 associated with a variable bit allocation of a segment for sending a potential message in response to CSI feedback, according to this disclosure. Figure 5 As shown, network entity 510 (e.g., network node 110) and UE 520 (e.g., UE 120) can communicate with each other via a wireless network (e.g., wireless network 100).

[0095] Based on the various aspects described herein, UE 520 can transmit potential messages with CSI feedback having quantized segments of varying sizes. The quantization size can be indicated by a variable bit allocation. The variable bit allocation can indicate the number of bits in the length of the quantized segments of the potential message. A variable bit allocation of {Q1, Q2, …, QL} bits can be used for quantized segments {q[seg1], q[seg2], …, q[segL]}, which are respectively for L segments of the potential message, and q indicates that a segment has been quantized. For example, Q1 can indicate 4 bits, meaning that the first segment seg1 of the CSI in the potential message is quantized to 4 bits. Q2 can indicate 5 bits, meaning that the second segment seg2 of the CSI in the potential message can be quantized to 5 bits. Q3 can indicate 3 bits, meaning that the third segment seg3 of the CSI in the potential message can be quantized to 3 bits, and so on. The variable bit allocation can be provided along with the potential message. By using a variable quantization size and sending the variable bit allocation along with the potential message, UE 520 can have the flexibility to customize the potential message to better represent CSI feedback. UE 520 can save signaling resources and improve CSI accuracy for enhanced communication. Network entity 510 can use the quantization size indicated by the variable bit allocation to decode segments of the potential message.

[0096] Example 500 illustrates the use of variable-size segments of a potential message for CSI feedback. As shown by reference numeral 525, UE 520 can select a variable bit allocation for the segments of the potential message, which represents CSI feedback. UE 520 can select the quantization size for the segments based at least in part on the characteristics of the CSI feedback and / or the configuration used for the CSI feedback. As shown by reference numeral 530, UE 520 can quantize the bits of the potential message based at least in part on the variable bit allocation. As shown by reference numeral 535, UE 520 can send the variable bit allocation along with the potential message. As shown by reference numeral 540, network entity 510 can decode the quantized segments based at least in part on the variable bit allocation. Network entity 510 may know the size of each segment and how many bits are used for segment quantization.

[0097] In some respects, network entity 510 can configure the total payload. , where N is the total size of the potential message. As shown in Figure 542, UE 520 may indicate the variable bit allocation {Q1, Q2, …,QL} in UCI section 2, followed by the quantization of each segment (q[seg1], q[seg2], … q[segL]).

[0098] In some aspects, the UE 520 can configure the total payload. As shown by reference numeral 544, UE 520 may indicate a variable bit allocation {Q1, Q2, …, QL} in UCI section 1 and use this variable bit allocation to determine the payload for UCI section 2. UE 520 may include quantization for each segment in UCI section 2. Alternatively, in some aspects, as shown by reference numeral 546, UE 520 may indicate in UCI section 1… This is used to determine the payload for UCI section 2. UE 520 can indicate the variable bit allocation {Q1, Q2, …, QL} in UCI section 2, followed by the quantization of each segment.

[0099] In some respects, for the options shown by reference numerals 542, 544, and 546, UE 520 can select possible values ​​for the variable bit allocation {Q1, Q2, …, QL} from a predefined set of multiple variable bit allocations. For example, for each variable bit allocation in the variable bit allocation {Q1, …, QL}, there can be two candidate values, such as 2 bits or 4 bits.

[0100] As indicated above, Figure 5 This is provided as an example. Other examples are available with reference to [the relevant information]. Figure 5 The examples described are different.

[0101] Figure 6 This is a diagram illustrating example 600 of the selection of variable bit allocation according to this disclosure.

[0102] In some aspects, UE 520 can use a trained analytical model to select variable bit allocations. For example, UE 520 can encode a pre-decoded matrix V to obtain a latent message with a dimension (dz). Encoding may include a transformer (TF) that transforms the pre-decoded matrix into eigenvectors with a flattened dimension of 12×64. After linear compression, the latent message has a dimension of 64. UE 520 can use a trained analytical model to select variable bit allocations for segments of the latent message to obtain VQ (quantized segments). In some aspects, UE 520 can generate a probability or entropy for each segment (e.g., p(seql) and log{p(seql)}). The analytical model can be trained with the entropy along with the TF and VQ. UE 520 can use the probability or entropy for each segment to select a variable allocation for each segment of the latent message.

[0103] In some respects, UE 520 can use a single analysis model to output the probability or entropy of all segments. UE 520 can use multiple analysis models for different configuration purposes, including dual-sided CSI feedback encoder-decoder models or rank / layer-specific models designed for different scenarios.

[0104] As indicated above, Figure 6 This is provided as an example. Other examples are available with reference to [the relevant information]. Figure 6 The examples described are different.

[0105] Figure 7 This is a diagram illustrating example 700 of variable bit allocation and quantization segment ordering according to this disclosure.

[0106] In some respects, segments can be ordered at least partially based on their respective priorities. For example, segments can be prioritized by bit allocation (e.g., a larger bit allocation size has higher priority), by segment index, and then by layer index. In another example, segments can be prioritized by bit allocation (e.g., bit allocation size), by layer index, and then by segment index. If Q1 > Q2, the first segment (seg1) can have a higher priority than the second segment (seg2). If Q1 = Q2, seg1 can have a higher priority than seg2. UE 520 can use priority functions, such as... ,in It is the maximum quantization bits or the maximum possible quantization bits among all segments. It is a segment index, and It is a layer index. In another example, the potential message can represent information from all layers, making a certain segment... It can represent information from all layers. In this case, the priority function can be written as: . Smaller values ​​can have higher priority. UE 520 can map quantized segments to UCI fields, at least in part, based on the segment's priority value. or Smaller values ​​(based on higher priority sorting) can be mapped first, followed by... or The larger value (in lower priority sorting).

[0107] In some respects, variable bit assignments can be grouped into bit assignment groups, and segments can be grouped into segment groups. Example 700 illustrates the packing order of these groups. Group 0 may include indications of variable bit assignments Q1, …, QL. Group 1 may be the first half of a segment, i.e., 1… Group 2 can be the latter half of the segment, that is... , … L. Figure 7An example is given where a report of rank 1 or a potential message includes information from all layers, resulting in a total of L segments. In some other examples, the potential message may sequentially include layer information, resulting in a total of RI × L segments, and group 1 includes segment 1… Group 2 includes the remaining segments. … L × RI. UE 520 can map group 0 in UCI section 2, followed by group 1 and group 2 (group 1 has a higher priority than group 2). In some respects, UE 520 can omit groups from the packet. For example, a lower priority group can be omitted before a higher priority group. In example 700, group 2 can be omitted before omitting group 1. Group 1 can be omitted before omitting group 0. In some respects, multiple CSI reports can be sent in the same OFDM symbol or PUSCH resource, with the omission occurring first in group 2 of all these CSI reports, then secondly in group 1 of all these reports, and then in group 0 (e.g., group 2 of CSI reports 2, 1, 0, followed by group 1 of CSI reports 2, 1, 0, followed by group 0 of these three reports).

[0108] As indicated above, Figure 7 This is provided as an example. Other examples are available with reference to [the relevant information]. Figure 7 The examples described are different.

[0109] Figure 8 This is a diagram illustrating example 800 of partitioning and subsampling according to this disclosure.

[0110] In some respects, UE 520 can generate and order segments of potential messages at least partially based on ports or subbands. For example, as shown by reference numeral 805, UE 520 can generate a first portion of a potential message for a first port or subband set and a second portion of a potential message for a second port or subband set. UE 520 can divide subbands or subsampling ports for the first and second portions at least partially based on stored configuration information (e.g., configuration specified by the standard). As shown by reference numeral 810, UE 520 can transmit potential messages. By dividing subbands or subsampling ports into separate sets, these sets can be reordered or organized to better suit an accurate representation of CSI feedback while conserving signaling resources.

[0111] Example 800 illustrates subbands divided into two subband sets, or ports subsampled into two port sets. As shown by reference numerals 802 and 804, UE 520 can subsample different ports into two different sets. For example, the first port or subband set may include an odd number of subbands (e.g., subbands 1, 3, 5), and the second port or subband set may include an even number of subbands (e.g., subbands 0, 2, 4), and vice versa. In another example, the first port or subband set may include ports with a first polarization, and the second port or subband set may include ports with a second polarization. In yet another example, the first port or subband set may include an odd number of ports, and the second port or subband set may include an even number of ports, and vice versa.

[0112] In some respects, UE 520 can generate potential messages by subsampling along a longer dimension of the antenna port layout. For example, the antenna port layout can be configured as (N1, N2), where N1 < N2, and the ports are defined by... Index (for the first half and) Part 1 = and Part Two = and Alternative location, Part 1 = and Part Two = and .

[0113] In some respects, UE 520 can send indications on how to divide or subsample the first and second portions (e.g., in UCI Part 2). For example, UE 520 can send the indication via a bitmap of length N3 (correspondingly, P), where a "1" indicates the subband (correspondingly, port) for generating the first potential message set. In another example, the indication can be sent via a combination of numbers. (correspondingly, The instruction indicates the subband (correspondingly, the port) used to generate the first potential message set. or This can be reported in UCI Part 1 or configured by network entity 510. In one example, the indication can be via a pattern index, where the pattern is selected from a list of predefined patterns. UE 520 can use the pattern index to report the selected pattern.

[0114] As indicated above, Figure 8 This is provided as an example. Other examples are available with reference to [the relevant information]. Figure 8 The examples described are different.

[0115] Figure 9This is a diagram illustrating example 900 of sorting a potential message set according to this disclosure.

[0116] In some respects, the first set of subbands or ports used for a potential message may have a different priority than the second set of subbands or ports. Example 900 shows that if the first set has a higher priority than the second set, the first set may be packed into UCI section 2 first, before the second set is mapped into UCI section 2. The second set may be omitted before the first set is omitted. In some respects, multiple CSI reports may be sent in the same OFDM symbol or PUSCH resource, with omissions occurring first in group 2 of all these CSI reports, then second in group 1 of all these reports, and then in group 0 (e.g., group 2 of CSI reports 2, 1, and 0, followed by group 1 of CSI reports 2, 1, and 0, followed by group 0 of these three reports).

[0117] In some respects, subband partitioning or port subsampling can be shared across all layers. In other respects, priority-based partitioning and subsampling can be applied layer-by-layer. For example, if layer-by-layer encoding and decoding are used, each layer can include a first set (set 1) and a second set (set 2) of potential messages. Potential message set 1 for all layers can be packaged together, followed by a package of potential message set 2 for all layers. If index i is used to indicate layer i, then the first set of layer i can be represented by i.1, and the second set of layer i can be represented by i.2. Therefore, for layer 1, the potential message sets can be represented as 1.1, 1.2, and for layer 2, the potential message sets can be represented as 2.1, 2.2. In some respects, layer / set combinations can be grouped. For example, the packaging order could be group 1 (1.1, 2.1), followed by group 2 (1.2, 2.2). That is, potential message set 1 for all layers can be grouped together, followed by a group of potential message set 2 for all layers.

[0118] In some respects, if rank-specific encoding and decoding are used (e.g., all layers are output together by a single encoding-decoding pair), then the potential message set 1 (correspondingly, 2) may already include the first part (correspondingly, the second part) of the potential messages of all layers.

[0119] As indicated above, Figure 9 This is provided as an example. Other examples are available with reference to [the relevant information]. Figure 9 The examples described are different.

[0120] Figure 10This is a diagram illustrating an example procedure 1000 performed by a UE according to this disclosure. Example procedure 1000 is an example in which a UE (e.g., UE 120, UE 520) performs operations associated with variable bit allocation for a potential message segment.

[0121] like Figure 10 As shown, in some aspects, process 1000 may include selecting a variable bit allocation that indicates the quantization size of a corresponding segment of a potential message, the potential message representation CSI (box 1010). For example, the UE (e.g., using...) Figure 13 The communication manager 1306 depicted in the text can select a variable bit allocation indicating the quantization size of the corresponding segment of a potential message, the potential message being represented by CSI, as described above. Figure 4 middle Figure 7 As described.

[0122] like Figure 10 As further shown, in some aspects, process 1000 may include quantizing the corresponding segment to form a potential message, at least in part, based on the quantization size of the corresponding segment (box 1020). For example, the UE (e.g., using...) Figure 13 The communication manager 1306 described above can quantize corresponding segments to form potential messages, at least in part, based on the quantization size of the corresponding segments, as described above. Figures 4 to 7 As described.

[0123] like Figure 10 As further shown, in some aspects, process 1000 may include sending a variable bit allocation along with a potential message (box 1030). For example, the UE (e.g., using...) Figure 13 The sending component 1304 and / or communication manager 1306 described above can send variable bit allocation along with potential messages, as combined with the above. Figures 4 to 7 As described.

[0124] Process 1000 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in conjunction with one or more other process descriptions elsewhere herein.

[0125] In the first aspect, sending variable bit allocation along with potential messages includes sending variable bit allocation and potential messages in UCI Part 2.

[0126] In the second aspect, either alone or in combination with the first aspect, sending variable bit allocation along with a potential message includes sending the variable bit allocation in UCI section 1 and sending the potential message in UCI section 2.

[0127] In a third aspect, either alone or in combination with one or more of the first and second aspects, process 1000 includes selecting the total size of potential messages.

[0128] In the fourth aspect, the transmission of variable bit allocation along with a potential message, either alone or in combination with one or more of the first to third aspects, includes transmitting an indication of the total size in UCI section 1, transmitting the variable bit allocation in UCI section 2, and transmitting the potential message in UCI section 2.

[0129] In the fifth aspect, either alone or in combination with one or more of the first to fourth aspects, selecting a variable bit allocation includes selecting a variable bit allocation from a set of multiple bit allocations.

[0130] In the sixth aspect, either alone or in combination with one or more of the first to fifth aspects, process 1000 includes encoding the pre-decoded matrix to obtain a potential message with the dimension of the potential message.

[0131] In the seventh aspect, either alone or in combination with one or more of the first to sixth aspects, the selection of variable bit assignments includes selecting variable bit assignments based at least in part on one or more trained analytical models.

[0132] In the eighth aspect, either alone or in combination with one or more of the first to seventh aspects, at least one of the trained analytical models outputs the probability or entropy of each segment in the corresponding segment.

[0133] In the ninth aspect, either alone or in combination with one or more of the first to eighth aspects, process 1000 includes prioritizing quantized segments in a potential message based at least in part on bit allocation size.

[0134] In the tenth aspect, either alone or in combination with one or more of the first to ninth aspects, process 1000 includes prioritizing quantization segments in a potential message based at least in part on the quantization segment index.

[0135] In the eleventh aspect, alone or in combination with one or more of the first to tenth aspects, process 1000 includes prioritizing quantized segments in potential messages based at least in part on a layer index.

[0136] In the twelfth aspect, alone or in combination with one or more of the first to eleventh aspects, process 1000 includes grouping variable bit assignments into a bit assignment group, grouping quantization segments into one or more segment groups, ranking the bit assignment group first in the UCI, and ranking one or more segment groups next in the UCI in order of highest to lowest priority.

[0137] In the thirteenth aspect, alone or in combination with one or more of the first to twelfth aspects, process 1000 includes grouping variable bit allocations in a bit allocation group, grouping quantization segments into one or more segment groups, and omitting at least one segment group from the transmission in order of lowest to highest priority.

[0138] although Figure 10 An example box of process 1000 is shown, but in some respects, process 1000 may include... Figure 10 The boxes depicted may be fewer, different, or arranged differently compared to additional boxes. Alternatively, two or more boxes in the process 1000 may be executed in parallel.

[0139] Figure 11 This is a diagram illustrating an example process 1100 performed, for example, by a network entity according to this disclosure. Example process 1100 is an example in which a network entity (e.g., network node 110, network entity 510) performs operations associated with variable bit allocation for a potential message segment.

[0140] like Figure 11 As shown, in some aspects, process 1100 may include receiving a variable bit allocation along with a potential message representing the CSI, the variable bit allocation indicating the quantization size of the quantization segment of the potential message (box 1110). For example, network entities (e.g., using...) Figure 14 The receiving component 1402 and / or communication manager 1406 depicted in the text can receive a variable bit allocation along with a potential message representing the CSI, the variable bit allocation indicating the quantization size of the quantization segment of the potential message, as described above. Figures 4 to 7 As described.

[0141] like Figure 11 Further illustrated, in some aspects, process 1100 may include decoding the quantized segment (box 1120) at least in part based on the quantization size indicated by the variable bit allocation. For example, network entities (e.g., using...) Figure 14 The communication manager 1406 described above can decode quantized segments at least in part based on the quantization size indicated by the variable bit allocation, as described above. Figures 4 to 7 As described.

[0142] Process 1100 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in conjunction with one or more other processes described elsewhere herein.

[0143] In the first aspect, receiving variable bit allocation along with potential messages includes receiving variable bit allocation and potential messages in UCI Part 2.

[0144] In the second aspect, receiving variable bit allocation together with a potential message, either alone or in combination with the first aspect, includes receiving variable bit allocation in UCI section 1 and receiving potential messages in UCI section 2.

[0145] In the third aspect, receiving variable bit allocation together with a potential message, either alone or in combination with one or more of the first and second aspects, includes receiving an indication of the size of the potential message in UCI section 1, receiving the variable bit allocation in UCI section 2, and receiving the potential message in UCI section 2.

[0146] In the fourth aspect, either alone or in combination with one or more of the first to third aspects, the quantization segments are ordered in the potential message by one or more of the bit-allocation size, quantization segment index, or layer index.

[0147] although Figure 11 An example box of process 1100 is shown, but in some respects, process 1100 may include... Figure 11 The boxes depicted may be fewer, different, or arranged differently compared to additional boxes. Alternatively, two or more boxes in process 1100 may be executed in parallel.

[0148] Figure 12 This is a diagram illustrating an example procedure 1200 performed by a UE according to this disclosure. Example procedure 1200 is an example in which a UE (e.g., UE 120, UE 520) performs operations associated with variable bit allocation for a potential message segment.

[0149] like Figure 12 As shown, in some aspects, process 1200 may include a first portion for generating a potential message for a first port or subband set and a second portion for a potential message for a second port or subband set, the potential message being associated with CSI (box 1210). For example, the UE (e.g., using...) Figure 13 The communication manager 1306 described above can generate a first part of a potential message for a first port or subband set and a second part of a potential message for a second port or subband set, the potential message being associated with CSI, as described above. Figures 4 to 9 As described.

[0150] like Figure 12 As further shown, in some aspects, process 1200 may include sending a potential message (box 1220). For example, the UE (e.g., using...) Figure 13 The sending component 1304 and / or communication manager 1306 described above can send potential messages, as combined with the above. Figures 4 to 9 As described.

[0151] Process 1200 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in conjunction with one or more other process descriptions elsewhere herein.

[0152] In the first aspect, generating the first part and the second part includes dividing the first part and the second part into sub-bands or sub-sampling ports based at least in part on stored configuration information.

[0153] In a second aspect, either alone or in combination with the first aspect, the first port or subband set includes an odd number of subbands and the second port or subband set includes an even number of subbands.

[0154] In a third aspect, either alone or in combination with one or more of the first and second aspects, the first port or subband set includes ports with a first polarization and the second port or subband set includes ports with a second polarization.

[0155] In the fourth aspect, either alone or in combination with one or more of the first to third aspects, the first port or subband set includes an odd number of ports and the second port or subband set includes an even number of ports.

[0156] In the fifth aspect, either alone or in combination with one or more of the first to fourth aspects, process 1200 includes sending instructions on how to divide or subsample the first part and the second part.

[0157] In the sixth aspect, either alone or in combination with one or more of the first to fifth aspects, the first part has a higher priority than the second part, and the first and second parts are ordered by priority or omitted in UCI Part 2.

[0158] In the seventh aspect, generating the first and second parts, either alone or in combination with one or more of the first to sixth aspects, includes partitioning or subsampling the potential messages for multiple layers.

[0159] In the eighth aspect, generating the first and second portions, either alone or in combination with one or more of the first to seventh aspects, includes dividing the first and second portions into sub-bands or sub-sampling ports layer by layer for the first and second portions.

[0160] although Figure 12 An example box of process 1200 is shown, but in some respects, process 1200 may include... Figure 12 The boxes depicted may be fewer, different, or arranged differently compared to additional boxes. Alternatively, two or more boxes in process 1200 may be executed in parallel.

[0161] Figure 13This is a diagram of an example device 1300 for wireless communication according to the present disclosure. Device 1300 may be a UE (e.g., UE 120, UE 520), or a UE may include device 1300. In some aspects, device 1300 includes a receiving component 1302, a transmitting component 1304, and / or a communication manager 1306, which can communicate with each other (e.g., via one or more buses and / or one or more other components). In some aspects, communication manager 1306 is combined with... Figure 1 The described communication manager 140. As shown, device 1300 can communicate with another device 1308 (such as a UE or a network node (such as a CU, DU, RU or base station)) using receiving component 1302 and transmitting component 1304.

[0162] In some respects, device 1300 can be configured to perform the functions described herein. Figures 1 to 9 One or more operations described herein. Additionally or alternatively, the apparatus 1300 may be configured to perform one or more processes described herein, such as Figure 10 Process 1000 Figure 12 The process 1200 or a combination thereof. In some respects, Figure 13 The illustrated device 1300 and / or one or more components may include a combination Figure 2 One or more components of the described UE. Additionally or alternatively, Figure 13 One or more components shown can be combined Figure 2 Implementation within one or more of the described components. Additionally or alternatively, one or more of the components in a set of components may be implemented at least partially as software stored in memory. For example, a component (or a portion of a component) may be implemented as instructions or code stored in a non-transitory computer-readable medium and executable by a controller or processor to perform the function or operation of the component.

[0163] Receiver 1302 may receive communications from device 1308, such as reference signals, control information, data communications, or combinations thereof. Receiver 1302 may provide the received communications to one or more other components of device 1300. In some aspects, receiver 1302 may perform signal processing on the received communications (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, demapping, equalization, interference cancellation, or decoding, etc.) and may provide the processed signals to one or more other components of device 1300. In some aspects, receiver 1302 may include combinations of... Figure 2 The described UE includes one or more antennas, modems, demodulators, MIMO detectors, receiver processors, controllers / processors, memory, or combinations thereof.

[0164] Transmitting component 1304 may transmit communications, such as reference signals, control information, data communications, or combinations thereof, to device 1308. In some aspects, one or more other components of device 1300 may generate communications and provide the generated communications to transmitting component 1304 for transmission to device 1308. In some aspects, transmitting component 1304 may perform signal processing (such as filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, or encoding, etc.) on the generated communications and may transmit the processed signals to device 1308. In some aspects, transmitting component 1304 may include combinations of... Figure 2 The described UE includes one or more antennas, modems, modulators, transmit MIMO processors, transmit processors, controllers / processors, memory, or combinations thereof. In some aspects, transmit component 1304 may be co-located with receive component 1302 in a transceiver.

[0165] The communication manager 1306 may support the operation of the receiving component 1302 and / or the transmitting component 1304. For example, the communication manager 1306 may receive information associated with configuring the reception of communications by the receiving component 1302 and / or the transmission of communications by the transmitting component 1304. Additionally or alternatively, the communication manager 1306 may generate control information and / or provide control information to the receiving component 1302 and / or the transmitting component 1304 to control the reception and / or transmission of communications.

[0166] In some respects, the communication manager 1306 can select a variable bit allocation indicating the quantization size of a corresponding segment of a potential message, the potential message representing a CSI. The communication manager 1306 can quantize the corresponding segment to form the potential message based at least in part on the quantization size of the corresponding segment. The transmitting component 1304 can transmit the variable bit allocation along with the potential message.

[0167] The communication manager 1306 can select the total size of the potential message. The communication manager 1306 can encode the pre-decoding matrix to obtain the potential message with the dimensions of the potential message. The communication manager 1306 can prioritize quantization segments in the potential message at least partially based on the bit allocation size. The communication manager 1306 can also prioritize quantization segments in the potential message at least partially based on the quantization segment index. The communication manager 1306 can also prioritize quantization segments in the potential message at least partially based on the layer index. The communication manager 1306 can also prioritize quantization segments in the potential message at least partially based on the layer index. The communication manager 1306 can also prioritize quantization segments in the potential message at least partially based on the quantization segment index.

[0168] Communication Manager 1306 can group variable bit allocation segments into a single bit allocation group. Communication Manager 1306 can group quantization segments into one or more segment groups. Communication Manager 1306 can prioritize a bit allocation group in the UCI. Communication Manager 1306 can prioritize one or more segment groups in the UCI from highest to lowest priority. Communication Manager 1306 can group variable bit allocation segments into a single bit allocation group. Communication Manager 1306 can group quantization segments into one or more segment groups. Communication Manager 1306 can omit at least one segment group from the transmission in order from lowest to highest priority.

[0169] In some respects, the communication manager 1306 can generate a first portion of a potential message for a first port or subband set and a second portion of a potential message for a second port or subband set, the potential message being associated with CSI. The transmitting component 1304 can transmit the potential message. The transmitting component 1304 can transmit instructions on how to divide or subsample the first and second portions.

[0170] Figure 13 The number and arrangement of components shown are provided as an example. In reality, they can exist in... Figure 13 The components shown are compared to additional components, fewer components, different components, or components arranged in a different manner. Furthermore, Figure 13 The two or more components shown can be implemented within a single component, or Figure 13 The single component shown can be implemented as multiple distributed components. Additionally or alternatively, Figure 13 The collection of (one or more) components shown is executable and described as being composed of Figure 13 Another set of components shown performs one or more functions.

[0171] Figure 14 This is a diagram of an example device 1400 for wireless communication according to the present disclosure. Device 1400 may be a network entity (e.g., network node 110, network entity 510), or a network entity may include device 1400. In some aspects, device 1400 includes a receiving component 1402, a transmitting component 1404, and / or a communication manager 1406, which can communicate with each other (e.g., via one or more buses and / or one or more other components). In some aspects, communication manager 1406 is combined with... Figure 1 The described communication manager 150. As shown, device 1400 can communicate with another device 1408 (such as a UE or a network node (such as a CU, DU, RU or base station)) using receiving component 1402 and transmitting component 1404.

[0172] In some respects, device 1400 can be configured to perform the functions described herein. Figures 1 to 9 One or more operations described herein. Additionally or alternatively, the apparatus 1400 may be configured to perform one or more processes described herein, such as Figure 11 The process 1100. In some respects, Figure 14 The illustrated device 1400 and / or one or more components may include a combination Figure 2 One or more components of the described network entity. Additionally or alternatively, Figure 14 One or more components shown can be combined Figure 2 Implementation within one or more of the described components. Additionally or alternatively, one or more of the components in a set of components may be implemented at least partially as software stored in memory. For example, a component (or a portion of a component) may be implemented as instructions or code stored in a non-transitory computer-readable medium and executable by a controller or processor to perform the function or operation of the component.

[0173] Receiver 1402 may receive communications from device 1408, such as reference signals, control information, data communications, or combinations thereof. Receiver 1402 may provide the received communications to one or more other components of device 1400. In some aspects, receiver 1402 may perform signal processing on the received communications (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, demapping, equalization, interference cancellation, or decoding, etc.) and may provide the processed signals to one or more other components of device 1400. In some aspects, receiver 1402 may include combinations of... Figure 2 The network entity described includes one or more antennas, modems, demodulators, MIMO detectors, receiver processors, controllers / processors, memory, or combinations thereof.

[0174] Transmitting component 1404 may transmit communications, such as reference signals, control information, data communications, or combinations thereof, to device 1408. In some aspects, one or more other components of device 1400 may generate communications and provide the generated communications to transmitting component 1404 for transmission to device 1408. In some aspects, transmitting component 1404 may perform signal processing (such as filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, or encoding, etc.) on the generated communications and may transmit the processed signals to device 1408. In some aspects, transmitting component 1404 may include combinations of... Figure 2 The described network entity includes one or more antennas, modems, modulators, transmit MIMO processors, transmit processors, controllers / processors, memory, or combinations thereof. In some aspects, transmit component 1404 may be co-located with receive component 1402 in a transceiver.

[0175] The communication manager 1406 may support the operation of the receiving component 1402 and / or the transmitting component 1404. For example, the communication manager 1406 may receive information associated with configuring the reception of communications by the receiving component 1402 and / or the transmission of communications by the transmitting component 1404. Additionally or alternatively, the communication manager 1406 may generate control information and / or provide control information to the receiving component 1402 and / or the transmitting component 1404 to control the reception and / or transmission of communications.

[0176] The receiving component 1402 can receive a variable bit allocation along with a potential message representing the CSI, the variable bit allocation indicating the quantization size of the quantization segment of the potential message. The communication manager 1406 can decode the quantization segment at least in part based on the quantization size indicated by the variable bit allocation.

[0177] Figure 14 The number and arrangement of components shown are provided as an example. In reality, they can exist in... Figure 14 The components shown are compared to additional components, fewer components, different components, or components arranged in a different manner. Furthermore, Figure 14 The two or more components shown can be implemented within a single component, or Figure 14 The single component shown can be implemented as multiple distributed components. Additionally or alternatively, Figure 14 The collection of (one or more) components shown is executable and described as being composed of Figure 14 Another set of components shown performs one or more functions.

[0178] The following provides an overview of some aspects of this disclosure:

[0179] Aspect 1: A method for wireless communication performed by a user equipment (UE), the method comprising: selecting a variable bit allocation indicating a quantization size of a corresponding segment of a potential message, the potential message representing channel state information; quantizing the corresponding segment to form the potential message based at least in part on the quantization size of the corresponding segment; and transmitting the variable bit allocation together with the potential message.

[0180] Aspect 2: According to the method of aspect 1, wherein sending the variable bit allocation together with the potential message includes sending the variable bit allocation and the potential message in the uplink control information section 2.

[0181] Aspect 3: According to the method of aspect 1, sending the variable bit allocation together with the potential message includes sending the variable bit allocation in uplink control information (UCI) section 1 and sending the potential message in UCI section 2.

[0182] Aspect 4: The method according to any one of aspects 1 to 3 further includes selecting the total size of the potential message.

[0183] Aspect 5: According to the method of aspect 1, wherein sending the variable bit allocation together with the potential message includes sending an indication of the total size in uplink control information (UCI) section 1, sending the variable bit allocation in UCI section 2, and sending the potential message in UCI section 2.

[0184] Aspect 6: The method according to any one of Aspects 1 to 5, wherein selecting the variable bit allocation includes selecting the variable bit allocation from a set of multiple bit allocations.

[0185] Aspect 7: The method according to any one of aspects 1 to 6, the method further comprising encoding the pre-decoding matrix to obtain the potential message having the dimension of the potential message.

[0186] Aspect 8: The method according to any one of Aspects 1 to 7, wherein selecting the variable bit allocation includes selecting the variable bit allocation based at least in part on one or more trained analytical models.

[0187] Aspect 9: According to the method of aspect 8, at least one of the trained analytical models outputs the probability or entropy of each segment in the corresponding segment.

[0188] Aspect 10: The method according to any one of aspects 1 to 9, the method further comprising prioritizing the quantization segments in the potential message at least in part based on the bit allocation size.

[0189] Aspect 11: According to the method of aspect 10, the method further includes prioritizing the quantization segments in the potential message based at least in part on the quantization segment index.

[0190] Aspect 12: According to the method of aspect 11, the method further includes prioritizing the quantization segments in the potential message based at least in part on the layer index.

[0191] Aspect 13: According to the method of aspect 10, the method further includes prioritizing the quantization segments in the potential message based at least in part on the layer index.

[0192] Aspect 14: According to the method of aspect 13, the method further includes prioritizing the quantization segments in the potential message based at least in part on the quantization segment index.

[0193] Aspect 15: The method according to any one of Aspects 1 to 14, the method further comprising: grouping the variable bit allocation in a bit allocation group; grouping the quantization segment into one or more segment groups; ranking the bit allocation group first in uplink control information (UCI); and ranking the one or more segment groups next in the UCI in order from highest priority to lowest priority.

[0194] Aspect 16: The method according to any one of Aspects 1 to 15, the method further comprising: grouping the variable bit allocation in a bit allocation group; grouping the quantization segment into one or more segment groups; and omitting at least one of the one or more segment groups from the transmission in order of lowest to highest priority.

[0195] Aspect 17: A method of wireless communication performed by a network entity, the method comprising: receiving a variable bit allocation together with a potential message representing channel state information, the variable bit allocation indicating a quantization size of a quantization segment of the potential message; and decoding the quantization segment at least in part based on the quantization size indicated by the variable bit allocation.

[0196] Aspect 18: The method according to aspect 17, wherein receiving the variable bit allocation together with the potential message includes receiving the variable bit allocation and the potential message in the uplink control information section 2.

[0197] Aspect 19: The method according to aspect 17, wherein receiving the variable bit allocation together with the potential message includes receiving the variable bit allocation in uplink control information (UCI) section 1 and receiving the potential message in UCI section 2.

[0198] Aspect 20: The method according to aspect 17, wherein receiving the variable bit allocation together with the potential message includes receiving an indication of the total size of the potential message in uplink control information (UCI) section 1, receiving the variable bit allocation in UCI section 2, and receiving the potential message in UCI section 2.

[0199] Aspect 21: The method according to any one of Aspects 17 to 20, wherein the quantization segments are ordered in the potential message by one or more of a bit-allocation size, a quantization segment index, or a layer index.

[0200] Aspect 22: A method for wireless communication performed by a user equipment (UE), the method comprising: generating a first portion of a potential message for a first port or subband set and a second portion of the potential message for a second port or subband set, the potential message being associated with channel state information; and transmitting the potential message.

[0201] Aspect 23: The method according to aspect 22, wherein generating the first portion and the second portion includes dividing the first portion and the second portion into sub-bands or sub-sampling ports based at least in part on stored configuration information.

[0202] Aspect 24: The method according to any one of Aspects 22 to 23, wherein the first port or subband set comprises an odd number of subbands and the second port or subband set comprises an even number of subbands.

[0203] Aspect 25: The method according to any one of Aspects 22 to 24, wherein the first port or subband set includes ports with a first polarization and the second port or subband set includes ports with a second polarization.

[0204] Aspect 26: The method according to any one of Aspects 22 to 25, wherein the first port or subband set comprises an odd number of ports and the second port or subband set comprises an even number of ports.

[0205] Aspect 27: The method according to any one of aspects 22 to 26, the method further comprising sending an instruction on how to divide or subsample the first portion and the second portion.

[0206] Aspect 28: The method according to any one of Aspects 22 to 27, wherein the first part has a higher priority than the second part, and wherein the first part and the second part are ordered by priority or omitted in the uplink control information (UCI) section 2.

[0207] Aspect 29: The method according to any one of Aspects 22 to 28, wherein generating the first portion and the second portion includes partitioning or subsampling the potential message for multiple layers.

[0208] Aspect 30: The method according to any one of Aspects 22 to 29, wherein generating the first portion and the second portion includes dividing the first portion and the second portion into sub-bands or sub-sampling ports on a layer-by-layer basis.

[0209] Aspect 31: An apparatus for wireless communication at a device, the apparatus comprising: a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform the method according to one or more of aspects 1 to 30.

[0210] Aspect 32: An apparatus for wireless communication, the apparatus comprising: a memory; and one or more processors coupled to the memory, the one or more processors being configured to perform the method according to one or more of aspects 1 to 30.

[0211] Aspect 33: An apparatus for wireless communication, the apparatus comprising at least one component for performing the method according to one or more of aspects 1 to 30.

[0212] Aspect 34: A non-transitory computer-readable medium storing code for wireless communication, said code including instructions executable by a processor to perform the methods described in one or more of aspects 1 to 30.

[0213] Aspect 35: A non-transitory computer-readable medium storing a set of instructions for wireless communication, the set of instructions comprising one or more instructions that, when executed by one or more processors of a device, cause the device to perform the method according to one or more of aspects 1 to 30.

[0214] The foregoing disclosure provides examples and descriptions, but is not intended to be exhaustive or to limit the aspects to the precise form disclosed. Modifications and variations may be made based on the foregoing disclosure, or from practice in various aspects.

[0215] As used herein, the term "component" is intended to be interpreted broadly as hardware and / or a combination of hardware and software. Whether referred to as software, firmware, middleware, microcode, hardware description language, or other names, "software" should be interpreted broadly as meaning instructions, instruction sets, code, code segments, program code, programs, subroutines, software modules, applications, software applications, software packages, routines, subroutines, objects, executable files, threads of execution, procedures, and / or functions, etc. As used herein, a "processor" is implemented in hardware and / or a combination of hardware and software. It will be apparent to those skilled in the art that the systems and / or methods described herein can be implemented in various forms of hardware and / or combinations of hardware and software. The actual dedicated control hardware or software code used to implement these systems and / or methods is not limited in any way. Therefore, no specific software code is referred to in this document to describe the operation and behavior of the systems and / or methods, as those skilled in the art will understand that the software and hardware can be designed, at least in part, based on the descriptions herein, to implement the systems and / or methods.

[0216] As used in this article, depending on the context, "meeting the threshold" can mean a value greater than the threshold, greater than or equal to the threshold, less than the threshold, less than or equal to the threshold, equal to the threshold, not equal to the threshold, etc.

[0217] Although specific combinations of features are set forth in the claims and / or disclosed in the specification, these combinations are not intended to limit the disclosure of various aspects. Many of these features may be combined in ways not specifically set forth in the claims and / or not disclosed in the specification. The disclosure of various aspects includes each dependent claim in combination with each other claim in the claim set. As used herein, the phrase “at least one of” in the list of items refers to any combination of these items (including a single member). As an example, “at least one of a, b, or c” is intended to cover a, b, c, a+b, a+c, b+c, and a+b+c, as well as any combination with multiple of the same element (e.g., a+a, a+a+a, a+a+b, a+a+c, a+b+b, a+c+c, b+b, b+b+b, b+b+c, c+c, and c+c+c, or any other ordering of a, b, and c).

[0218] No element, action, or instruction used herein should be construed as essential or necessary unless explicitly stated otherwise. Furthermore, as used herein, the article “a” is intended to include one or more items and is used interchangeably with “one or more.” Furthermore, as used herein, the article “described” is intended to include one or more items mentioned in conjunction with the article “described” and is used interchangeably with “one or more.” Furthermore, as used herein, the terms “group” and “cluster” are intended to include one or more items and are used interchangeably with “one or more.” If only one item is desired, the phrase “only one” or similar terminology will be used. Furthermore, as used herein, the terms “have,” “possess,” “have,” etc., are intended to be open-ended terms that do not limit the elements they modify (e.g., an element “having” A may also have B). Furthermore, the phrase “based on” is intended to mean “at least partially based on” unless otherwise explicitly stated. Furthermore, as used herein, the term “or” is intended to be open-ended when used in a series and is interchangeable with “and / or” unless otherwise explicitly stated (e.g., if used in conjunction with “any” or “only one”).

Claims

1. A user equipment (UE) for wireless communication, the user equipment (UE) comprising: one or more memories; and one or more processors coupled to the one or more memories, the one or more processors configured to: select a variable bit allocation indicating quantized sizes of respective segments of a potential message, the potential message representing channel state information; quantize the respective segments based at least in part on the quantized sizes of the respective segments to form the potential message; and transmit the variable bit allocation with the potential message.

2. The UE of claim 1, wherein to transmit the variable bit allocation with the potential message, the one or more processors are configured to transmit the variable bit allocation and the potential message in an uplink control information part 2.

3. The UE of claim 1, wherein to transmit the variable bit allocation with the potential message, the one or more processors are configured to transmit the variable bit allocation in an uplink control information (UCI) part 1 and the potential message in a UCI part 2.

4. The UE of claim 1, wherein the one or more processors are configured to select a total size of the potential message.

5. The UE of claim 4, wherein to transmit the variable bit allocation with the potential message, the one or more processors are configured to transmit an indication of the total size in an uplink control information (UCI) part 1, the variable bit allocation in a UCI part 2, and the potential message in the UCI part 2.

6. The UE of claim 1, wherein to select the variable bit allocation, the one or more processors are configured to select the variable bit allocation from a set of multiple bit allocations.

7. The UE of claim 1, wherein the one or more processors are configured to encode a precoding matrix to obtain the potential message having dimensions of the potential message.

8. The UE of claim 1, wherein to select the variable bit allocation, the one or more processors are configured to select the variable bit allocation based at least in part on one or more trained analytical models.

9. The UE of claim 8, wherein at least one of the trained analytical models outputs a probability or an entropy for each of the respective segments.

10. The UE of claim 1, wherein the one or more processors are configured to prioritize the quantized segments in the potential message based at least in part on a bit allocation size.

11. The UE of claim 10, wherein the one or more processors are configured to prioritize the quantized segments in the potential message further based at least in part on a quantized segment index.

12. The UE of claim 11, wherein the one or more processors are configured to prioritize the quantized segments in the potential message further based at least in part on a layer index. ​ 13. The UE of claim 10, wherein the one or more processors are configured to prioritize the quantized segments in the potential message based at least in part on a layer index.

14. The UE of claim 13, wherein the one or more processors are configured to prioritize the quantized segments in the potential message based at least in part on a quantized segment index.

15. The UE of claim 1, wherein the one or more processors are configured to: group the variable bit allocations in a bit allocation group; group the quantized segments into one or more segment groups; order the bit allocation group in a first bit in uplink control information (UCI); and order the one or more segment groups in a next bit in the UCI in order of highest priority to lowest priority.

16. The UE of claim 1, wherein the one or more processors are configured to: group the variable bit allocations in a bit allocation group; group the quantized segments into one or more segment groups; and omit at least one of the one or more segment groups from transmission in order of lowest priority to highest priority.

17. A network entity for wireless communication, the network entity comprising: one or more memories; and one or more processors coupled to the one or more memories, the one or more processors configured to: receive a variable bit allocation with a potential message representing channel state information, the variable bit allocation indicating quantization sizes of quantized segments of the potential message; and decode the quantized segments based at least in part on the quantization sizes indicated by the variable bit allocation.

18. The network entity of claim 17, wherein to receive the variable bit allocation with the potential message, the one or more processors are configured to receive the variable bit allocation and the potential message in an uplink control information part 2.

19. The network entity of claim 17, wherein to receive the variable bit allocation with the potential message, the one or more processors are configured to receive the variable bit allocation in an uplink control information (UCI) part 1 and the potential message in a UCI part 2.

20. The network entity of claim 17, wherein to receive the variable bit allocation with the potential message, the one or more processors are configured to receive an indication of a total size of the potential message in an uplink control information (UCI) part 1, the variable bit allocation in a UCI part 2, and the potential message in the UCI part 2.

21. The network entity of claim 17, wherein the quantized segments are ordered in the potential message by one or more of a bit allocation size, a quantized segment index, or a layer index.

22. A user equipment (UE) for wireless communication, the user equipment (UE) comprising: one or more memories; and one or more processors coupled to the one or more memories, the one or more processors configured to: receive a variable bit allocation with a potential message representing channel state information, the variable bit allocation indicating quantization sizes of quantized segments of the potential message; and decode the quantized segments based at least in part on the quantization sizes indicated by the variable bit allocation. one or more memories, the one or more processors configured to: generate a first portion of a potential message for a first set of ports or subbands and a second portion of the potential message for a second set of ports or subbands, the potential message being associated with channel state information; and transmit the potential message.

23. The UE of claim 22, wherein to generate the first portion and the second portion, the one or more processors are configured to partition subbands or subsampled ports for the first portion and the second portion based at least in part on stored configuration information.

24. The UE of claim 22, wherein the first set of ports or subbands includes an odd number of subbands and the second set of ports or subbands includes an even number of subbands.

25. The UE of claim 22, wherein the first set of ports or subbands includes ports of a first polarization and the second set of ports or subbands includes ports of a second polarization.

26. The UE of claim 22, wherein the first set of ports or subbands includes an odd number of ports and the second set of ports or subbands includes an even number of ports.

27. The UE of claim 22, wherein the one or more processors are configured to transmit an indication of how the first portion and the second portion are partitioned or subsampled.

28. The UE of claim 22, wherein the first portion has a higher priority than the second portion, and wherein the first portion and the second portion are prioritized or omitted in a physical uplink control channel (PUCCH) part 2.

29. The UE of claim 22, wherein to generate the first portion and the second portion, the one or more processors are configured to partition subbands or subsampled ports for the first portion or the second portion for multiple layers.

30. The UE of claim 22, wherein to generate the first portion and the second portion, the one or more processors are configured to partition subbands or subsampled ports for the first portion and the second portion per layer.

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