Receive spatial configuration instructions for communication between wireless devices

Abstract

According to some aspects, a wireless device can indicate a receive configuration indicator (RCI) to another device for indicating the receive space configuration of the wireless device. For example, a first device can be configured to receive signals from a second device using a first receive space configuration of the first device, which corresponds to a first transmit space configuration of the second device. The first device can further determine an RCI for indicating the first receive space configuration of the first device and can transmit the RCI to the second device.

Description

Technical Field

[0001] The techniques discussed below generally relate to wireless communication systems, and in particular to instructions for the spatial configuration of wireless devices.

[0002] introduction

[0003] In wireless communication systems (such as those specified under the standard for 5G New Radio (NR)), base stations and user equipment (UEs) can use beamforming for spatial multiplexing of multiple streams from the base station to the UE. To facilitate beamformed multi-stream communication, the base station can provide the UE with a Transmission Configuration Indicator (TCI) state set. Each TCI state may include quasi-co-location (QCL) information indicating one or more downlink reference signals, from which various radio channel attributes of the downlink channel or downlink signal can be inferred. Examples of QCL information include QCL type D, which indicates the spatial attributes (e.g., beam direction and / or beamwidth) of the beam associated with a particular downlink reference signal. Based on the QCL type D information, the UE can infer the beam on which the downlink channel or downlink signal can be transmitted. Therefore, the base station can indicate its beams for downlink communication via the TCI states. Beamforming features and / or beam management procedures can also be implemented for wireless communication between peer devices (e.g., between UEs).

[0004] A brief overview of some examples

[0005] The following provides an overview of one or more aspects of this disclosure to provide a basic understanding of these aspects. This overview is not an exhaustive summary of all conceived features of this disclosure, nor is it intended to identify key or defining elements of all aspects of this disclosure, nor to define the scope of any or all aspects of this disclosure. Its sole purpose is to provide some concepts of one or more aspects of this disclosure in one form as a prelude to the more detailed description that follows.

[0006] In one example, a method for wireless communication by a first device is disclosed. The method includes: configuring the first device to receive a signal from a second device using a first receive space configuration of the first device, the first receive space configuration corresponding to a first transmit space configuration of the second device; determining a receive configuration indicator (RCI) for indicating the first receive space configuration of the first device; and transmitting the RCI to the second device.

[0007] In another example, a first device for wireless communication is disclosed. The UE includes at least one processor, a transceiver communicatively coupled to the at least one processor, and a memory communicatively coupled to the at least one processor. The at least one processor may be configured to: configure the first device to receive signals from a second device using a first receive space configuration of the first device, the first receive space configuration corresponding to a first transmit space configuration of the second device; determine a receive configuration indicator (RCI) for indicating the first receive space configuration of the first device; and transmit the RCI to the second device.

[0008] In another example, a non-transient processor-readable storage medium having instructions thereon for a first device may be disclosed. These instructions, when executed by processing circuitry, cause the processing circuitry to: configure the first device to receive signals from a second device using a first receive space configuration of the first device, the first receive space configuration corresponding to a first transmit space configuration of the second device; determine a receive configuration indicator (RCI) for indicating the first receive space configuration of the first device; and transmit the RCI to the second device.

[0009] In a further example, a first device for wireless communication may be disclosed. The UE includes: means for configuring the first device to receive signals from a second device using a first receive space configuration of the first device, the first receive space configuration corresponding to a first transmit space configuration of the second device; means for determining a receive configuration indicator (RCI) for indicating the first receive space configuration of the first device; and means for transmitting the RCI to the second device.

[0010] In one example, a method for wireless communication by a first device is disclosed. The method includes: transmitting a signal to a second device using a first transmit space configuration of the first device; receiving from the second device a first receive configuration indication (RCI) for indicating a first receive space configuration of the second device, the first receive space configuration corresponding to the first transmit space configuration of the first device; receiving from the second device a time slot indication for one or more future time slots available for the second device to receive from the first device using at least one of the first receive space configurations respectively indicated by the RCI; and transmitting communication to the second device on the one or more future time slots using the first transmit space configuration of the first device.

[0011] In another example, a first device for wireless communication is disclosed. The base station includes at least one processor, a transceiver communicatively coupled to the at least one processor, and a memory communicatively coupled to the at least one processor. The at least one processor may be configured to: transmit signals to a second device using a first transmit space configuration of the first device; receive from the second device a receive configuration indication (RCI) for indicating a first receive space configuration of the second device, the first receive space configuration corresponding to a first transmit space configuration of the first device; receive from the second device a time slot indication for one or more future time slots available for the second device to receive from the first device using at least one of the first receive space configurations respectively indicated by the RCI; and transmit communication to the second device using the first transmit space configuration of the first device on the one or more future time slots.

[0012] In another example, a non-transient processor-readable storage medium having instructions for a first device may be disclosed. These instructions, when executed by processing circuitry, cause the processing circuitry to: transmit a signal to a second device using a first transmit space configuration of the first device; receive from the second device a receive configuration indication (RCI) for indicating a first receive space configuration of the second device, the first receive space configuration corresponding to a first transmit space configuration of the first device; receive from the second device a time slot indication for one or more future time slots available for the second device to receive from the first device using at least one of the first receive space configurations indicated by the RCI respectively; and transmit communication to the second device using the first transmit space configuration of the first device on the one or more future time slots.

[0013] In a further example, a first device for wireless communication may be disclosed. The base station includes: means for transmitting signals to a second device using a first transmit space configuration of the first device; means for receiving from the second device a receive configuration indication (RCI) indicating a first receive space configuration of the second device, the first receive space configuration corresponding to a first transmit space configuration of the first device; means for receiving from the second device a time slot indication for one or more future time slots available for the second device to receive from the first device using at least one of the first receive space configurations indicated by the RCI; and means for transmitting communication to the second device on the one or more future time slots using the first transmit space configuration of the first device.

[0014] These and other aspects of this disclosure will become more fully understood upon reading the following detailed description. Other aspects, features, and embodiments will be apparent to those skilled in the art after reading the following description of specific exemplary embodiments in conjunction with the accompanying drawings. Although features may be discussed hereinafter with respect to certain embodiments and drawings, all embodiments may include one or more of the advantageous features discussed herein. In other words, although one or more embodiments may be discussed having certain advantageous features, one or more such features may also be used according to the various embodiments discussed herein. Similarly, although exemplary embodiments may be discussed hereinafter as embodiments of devices, systems, or methods, it should be understood that such exemplary embodiments may be implemented in various devices, systems, and methods. Brief description of the attached diagram

[0015] Figure 1 It is a schematic explanation based on some aspects of wireless communication systems.

[0016] Figure 2 It is a conceptual explanation based on examples of radio access networks from various aspects.

[0017] Figure 3 This is a diagram illustrating an example of a wireless communication system that facilitates both cellular and sidelink communication, based on several aspects.

[0018] Figure 4 This is a schematic illustration of the organization of radio resources in an air interface utilizing orthogonal frequency division multiplexing (OFDM) according to some embodiments.

[0019] Figure 5 It is a block diagram illustrating a wireless communication system that supports multiple-input multiple-output (MIMO) communication.

[0020] Figure 6 This is a diagram illustrating an example of beamforming in a multi-TRP environment based on several aspects.

[0021] Figure 7A and 7B This is an example diagram illustrating the interaction between user equipment (UE) and base station during beam management procedures.

[0022] Figure 8 This is an example diagram illustrating how a UE communicates with two peer UEs based on certain aspects.

[0023] Figure 9 This is an example diagram illustrating how wireless devices communicate with each other based on beam management.

[0024] Figure 10 It is a block diagram that conceptually explains an example of a hardware implementation for a first device based on some aspects.

[0025] Figure 11 This is a flowchart illustrating an exemplary process for wireless communication based on some aspects.

[0026] Figure 12A and 12B This is a flowchart illustrating an exemplary process for wireless communication based on some aspects.

[0027] Figure 13 This is a flowchart illustrating an exemplary process for wireless communication according to some aspects of this disclosure.

[0028] Figure 14 This is a flowchart illustrating an exemplary process for wireless communication according to some aspects of this disclosure. Detailed description

[0029] The detailed description that follows, taken in conjunction with the accompanying drawings, is intended as a description of various configurations and is not intended to represent only the configurations in which the concepts described herein can be practiced. This detailed description includes specific details to provide a thorough understanding of the various concepts. However, it will be apparent to those skilled in the art that these concepts can be practiced without these specific details. In some instances, well-known structures and components are shown in block diagram form to avoid obscuring such concepts.

[0030] While aspects and embodiments are described herein by way of example, those skilled in the art will understand that additional implementations and use cases may arise in many different arrangements and scenarios. The innovations described herein can be implemented across many different platform types, devices, systems, shapes, sizes, and package arrangements. For example, embodiments and / or devices may arise via integrated chip embodiments and other devices based on non-modular components (e.g., end-user devices, vehicles, communication devices, computing devices, industrial equipment, retail / shopping devices, medical devices, AI-enabled devices, etc.). While some examples may or may not be specific to particular use cases or applications, broad applicability of the described innovations is possible. Implementations may range from chip-level or modular components to non-modular, non-chip-level implementations, and further to aggregated, distributed, or OEM devices or systems incorporating one or more aspects of the described innovations. In some practical contexts, devices incorporating the described aspects and features may also necessarily include additional components and features for implementing and practicing the claimed and described embodiments. For example, the transmission and reception of wireless signals requires several components for analog and digital purposes (e.g., hardware components including antennas, RF chains, power amplifiers, modulators, buffers, processors, interleavers, adders / summers, etc.). The innovations described herein are intended to be implemented in a wide variety of devices, chip-level components, systems, distributed deployments, end-user equipment, etc., of various sizes, shapes, and configurations.

[0031] As part of beam management procedures, a base station can indicate a TCI status to a user equipment (UE), whereby the TCI status explicitly indicates which downlink beam the base station is using. However, for communication between a base station and a UE, or between peer devices (such as UEs), there is currently no explicit indication of the receive beam / receive space configuration for the receiving device. Therefore, according to some aspects of this disclosure, a first wireless device configured to receive communication using the receive space configuration of a first wireless device can transmit a receive configuration indicator (RCI) to indicate the receive space configuration of the first wireless device. Thus, the first wireless device may be able to provide an explicit indication of the RCI to indicate the receive space configuration of the first wireless device associated with the receive beam of the first wireless device. The first wireless device may further (e.g., via unicast, broadcast, or multicast) transmit time slot indications to other wireless devices for future time slots to be used for reception using the receive space configuration of the first wireless device.

[0032] The various concepts presented throughout this disclosure can be implemented across a wide range of telecommunications systems, network architectures, and communication standards. Now refer to... Figure 1The various aspects of this disclosure are explained with reference to a wireless communication system 100, as illustrative examples and not limitations. The wireless communication system 100 includes three interaction domains: a core network 102, a radio access network (RAN) 104, and a user equipment (UE) 106. The wireless communication system 100 enables the UE 106 to perform data communication with an external data network 110, such as (but not limited to) the Internet.

[0033] RAN 104 can implement any suitable one or more wireless communication technologies to provide radio access to UE 106. As an example, RAN 104 can operate according to the 3rd Generation Partnership Project (3GPP) New Radio (NR) specification (commonly referred to as 5G). As another example, RAN 104 can operate in a hybrid of 5G NR and the Evolved Universal Terrestrial Radio Access Network (eUTRAN) standard (commonly referred to as LTE). 3GPP refers to this hybrid RAN as Next Generation RAN, or NG-RAN. Of course, many other examples can be utilized within the scope of this disclosure.

[0034] As explained, RAN 104 includes multiple base stations 108. Broadly speaking, a base station is a network element in a radio access network responsible for radio transmissions to and from a UE in one or more cells. In different technologies, standards, or contexts, a base station may be referred to by those skilled in the art as a base transceiver station (BTS), radio base station, radio transceiver, transceiver function, basic service set (BSS), extended service set (ESS), access point (AP), B node (NB), e B node (eNB), g B node (gNB), transmit / receive point (TRP), or some other suitable term. In some examples, a base station may include two or more co-located or non-co-located TRPs. Each TRP may communicate on the same or different carrier frequencies within the same or different frequency bands.

[0035] Radio access network 104 is further described as supporting wireless communication for multiple mobile devices. A mobile device may be referred to as User Equipment (UE) in the 3GPP standard, but may also be referred to by those skilled in the art as a mobile station (MS), subscriber station, mobile unit, subscriber unit, radio unit, remote unit, mobile device, radio device, wireless communication device, remote device, mobile subscriber station, access terminal (AT), mobile terminal, radio terminal, remote terminal, handheld device, terminal, user agent, mobile client, client, or any other suitable term. A UE may be a device (e.g., a mobile device) that provides users with access to network services.

[0036] Within this document, a “mobile” device does not necessarily need to be mobile and may be stationary. The term mobile device or mobile equipment refers to a wide variety of devices and technologies. A UE may include several hardware structural components that are sized, shaped, and arranged to facilitate communication; such components may include antennas, antenna arrays, RF chains, amplifiers, one or more processors, etc., electrically coupled to each other. For example, some non-limiting examples of mobile devices include mobile devices, cellular phones, smartphones, Session Initiation Protocol (SIP) phones, laptops, personal computers (PCs), laptops, netbooks, smartbooks, tablets, personal digital assistants (PDAs), and a wide variety of embedded systems, such as those corresponding to the “Internet of Things” (IoT). Additionally, a mobile device may be an automobile or other means of transportation, a remote sensor or actuator, a robot or robotic device, a satellite radio, a Global Positioning System (GPS) device, a remote control device, consumer and / or wearable devices (such as glasses), wearable cameras, virtual reality devices, smartwatches, health or fitness trackers, digital audio players (e.g., MP3 players), cameras, game consoles, etc. Mobile devices can also be digital home or smart home devices, such as home audio, video and / or multimedia equipment, appliances, vending machines, smart lighting equipment, home security systems, smart meters, etc. Additionally, mobile devices can be smart energy devices, security devices, solar panels or solar arrays, municipal infrastructure equipment controlling electricity, lighting, water, etc. (e.g., smart grids); industrial automation and enterprise equipment; logistics controllers; agricultural equipment; vehicles, etc. Furthermore, mobile devices can provide networked or telemedicine support, such as remote healthcare. Remote healthcare devices can include remote healthcare monitoring devices and remote healthcare supervision devices, whose communications can be given priority over other types of information, for example, through prioritized access to critical service data transmission and / or relevant QoS for critical service data transmission.

[0037] Wireless communication between RAN 104 and UE 106 can be described as utilizing an air interface. Transmissions over the air interface from a base station (e.g., base station 108) to one or more UEs (e.g., UE 106) can be referred to as downlink (DL) transmissions. According to certain aspects of this disclosure, the term downlink can refer to point-to-multipoint transmissions originating at a scheduling entity (further described below; e.g., base station 108). Another way to describe this scheme is to use the term broadcast channel multiplexing. Transmissions from a UE (e.g., UE 106) to a base station (e.g., base station 108) can be referred to as uplink (UL) transmissions. According to a further aspect of this disclosure, the term uplink can refer to point-to-point transmissions originating at a scheduled entity (further described below; e.g., UE 106).

[0038] In some examples, access to the air interface can be scheduled, where a scheduling entity (e.g., base station 108) allocates resources for communication among some or all of the equipment and devices within its service area or cell. Within this disclosure, as further discussed below, the scheduling entity may be responsible for scheduling, assigning, reconfiguring, and releasing resources for one or more scheduled entities. That is, for scheduled communication, UE 106 (which may be a scheduled entity) may utilize the resources allocated by scheduling entity 108.

[0039] Base station 108 is not the only entity that can be used as a scheduling entity. That is, in some examples, a UE can be used as a scheduling entity to schedule resources for one or more scheduled entities (e.g., one or more other UEs).

[0040] like Figure 1 As explained, scheduling entity 108 may broadcast downlink traffic 112 to one or more scheduled entities 106. Broadly speaking, scheduling entity 108 is a node or device responsible for scheduling traffic (including downlink traffic 112 and, in some examples, uplink traffic 116 from one or more scheduled entities 106 to scheduling entity 108) in a wireless communication network. On the other hand, scheduled entity 106 is a node or device that receives downlink control information 114 (including, but not limited to, scheduling information (e.g., permission), synchronization or timing information), or other control information from another entity in the wireless communication network (such as scheduling entity 108).

[0041] Generally, base station 108 may include a backhaul interface for communicating with the backhaul section 120 of a wireless communication system. Backhaul 120 provides a link between base station 108 and core network 102. Furthermore, in some examples, the backhaul network provides interconnection between the respective base stations 108. Various types of backhaul interfaces can be employed, such as a direct physical connection using any suitable transport network, a virtual network, etc.

[0042] Core network 102 may be part of wireless communication system 100 and may be independent of the radio access technology used in RAN 104. In some examples, core network 102 may be configured according to 5G standards (e.g., 5GC). In other examples, core network 102 may be configured according to 4G evolved packet core (EPC) or any other suitable standard or configuration.

[0043] Now refer to Figure 2 The illustrative explanation of RAN 200 is provided as an example, not a limitation. In some examples, RAN 200 may be used in conjunction with the above description and in Figure 1The same applies to RAN 104 as explained in the text. The geographical area covered by RAN 200 can be divided into cellular areas (cells), which can be uniquely identified by the user equipment (UE) based on an identifier broadcast from an access point or base station. Figure 2 Macrocells 202, 204, and 206, and small cell 208, are described, each of which may include one or more sectors (not shown). A sector is a sub-area of ​​a cell. All sectors within a cell are served by the same base station. Radio links within a sector may be identified by a single logical identifier belonging to that sector. In a cell divided into sectors, multiple sectors within the cell may be formed by an antenna array, where each antenna is responsible for communication with UEs in a portion of the cell.

[0044] exist Figure 2 In the illustration, two base stations 210 and 212 are shown in cells 202 and 204; and a third base station 214 is shown as a remote radio head (RRH) 216 controlling cell 206. That is, the base station may have an integrated antenna, or it may be connected to the antenna or RRH by a feed cable. In the illustrated example, cells 202, 204, and 126 may be referred to as macrocells because base stations 210, 212, and 214 support cells with large sizes. Furthermore, base station 218 is shown in small cell 208 (e.g., microcell, picocell, femtocell, home base station, home B node, home evolved B node, etc.), and small cell 308 may overlap with one or more macrocells. In this example, cell 208 may be referred to as a small cell because base station 218 supports cells with relatively small sizes. Cell size settings can be made according to system design and component constraints.

[0045] It will be understood that the radio access network 200 may include any number of radio base stations and cells. Furthermore, relay nodes may be deployed to extend the size or coverage area of ​​a given cell. Base stations 210, 212, 214, and 218 provide radio access points to the core network for any number of mobile devices. In some examples, base stations 210, 212, 214, and / or 218 may be connected to the network described above and in… Figure 1 The base station / scheduling entity 108 described in the Chinese explanation is the same.

[0046] Figure 2 It further includes a mobile device 220, which can be configured to act as a base station. That is, in some examples, the cell may not be stationary, and the geographical area of ​​the cell may move depending on the location of the mobile base station (such as the mobile device 220).

[0047] Within RAN 200, a cell may include UEs capable of communicating with one or more sectors of each cell. Furthermore, each base station 210, 212, 214, 218, and 220 may be configured to provide all UEs in the respective cell to the core network 102 (see [link to core network 102]). Figure 1 Access points. For example, UEs 222 and 224 may communicate with base station 210; UEs 226 and 228 may communicate with base station 212; UEs 230 and 232 may communicate with base station 216 via RRH 214; UE 234 may communicate with base station 218; and UE 236 may communicate with mobile base station 220. In some examples, UEs 222, 224, 226, 228, 230, 232, 234, 236, 238, 240 and / or 242 may communicate with the access points described above and in... Figure 1 The UE / scheduled entity 106 described in the text is the same.

[0048] In some examples, a mobile network node (e.g., mobile device 220) may be configured to act as a UE. For example, mobile device 220 may operate within cell 202 by communicating with base station 210.

[0049] In a further aspect of RAN 200, sidelink signals can be used between UEs without relying on scheduling or control information from a base station. For example, two or more UEs (e.g., UEs 226 and 228) can communicate with each other using peer-to-peer (P2P) or sidelink signal 227 without relaying the communication through a base station (e.g., base station 212). In a further example, UE 238 is described as communicating with UEs 240 and 242. Here, UE 238 can act as a scheduling entity or a primary sidelink device, and UEs 240 and 242 can act as scheduled entities or non-primary (e.g., secondary) sidelink devices. In yet another example, the UE can act as a scheduling entity in a device-to-device (D2D), peer-to-peer (P2P), or vehicle-to-everything (V2X) network, and / or a mesh network. In a mesh network example, UEs 240 and 242 can optionally communicate directly with each other in addition to communicating with scheduling entity 238. Thus, in a wireless communication system with scheduled access to time-frequency resources and with cellular, P2P, or mesh configurations, a scheduling entity and one or more scheduled entities can communicate using the scheduled resources.

[0050] In a radio access network 200, the ability of a UE to communicate independently of its location while on the move is referred to as mobility. The various physical channels between the UE and the radio access network are generally defined within the Access and Mobility Management Function (AMF, not explained). Figure 1The AMF is established, maintained, and released under the control of the core network 102 (part of the core network). The AMF may include the Security Context Management Function (SCMF) for managing the security contexts of both the control plane and user plane functionalities, and the Security Anchor Function (SEAF) for performing authentication.

[0051] In various aspects of this disclosure, radio access network 200 may utilize DL-based mobility or UL-based mobility to achieve mobility and handover (i.e., the transfer of a UE's connection from one radio channel to another). In a network configured for DL-based mobility, during a call with a scheduling entity, or at any other time, the UE may monitor various parameters of the signal from its serving cell and various parameters of neighboring cells. Depending on the quality of these parameters, the UE may maintain communication with one or more neighboring cells. During this time, if the UE moves from one cell to another, or if the signal quality from a neighboring cell exceeds the signal quality from the serving cell for a given amount of time, the UE may perform a handover or handover from the serving cell to a neighboring (target) cell. For example, UE 224 (described as a means of transportation, but any suitable form of UE may be used) may move from a geographic area corresponding to its serving cell 202 to a geographic area corresponding to a neighboring cell 206. When the signal strength or quality from neighboring cell 206 exceeds that of its serving cell 202 for a given amount of time, UE 224 may transmit a report message indicating this condition to its serving base station 210. In response, UE 224 may receive a handover command, and the UE may undergo a handover to cell 206.

[0052] In a network configured for UL-based mobility, a UL reference signal from each UE can be used by the network to select a serving cell for each UE. In some examples, base stations 210, 212, and 214 / 216 can broadcast unified synchronization signals (e.g., unified primary synchronization signal (PSS), unified secondary synchronization signal (SSS), and unified physical broadcast channel (PBCH)). UEs 222, 224, 226, 228, 230, and 232 can receive unified synchronization signals, derive carrier frequencies and time slot timings from these synchronization signals, and transmit uplink pilots or reference signals in response to the derived timings. The uplink pilot signal transmitted by a UE (e.g., UE 224) can be received concurrently by two or more cells (e.g., base stations 210 and 214 / 216) within the radio access network 200. Each of these cells can measure the strength of the pilot signal, and the radio access network (e.g., one or more of base stations 210 and 214 / 216 and / or a central node within the core network) can determine the serving cell for UE 224. As UE 224 moves within the radio access network 200, the network can continue to monitor the uplink pilot signal transmitted by UE 224. When the signal strength or quality of the pilot signal measured by a neighboring cell exceeds the signal strength or quality measured by the serving cell, the network 200 can, with or without notification, switch UE 224 from the serving cell to the neighboring cell.

[0053] Although the synchronization signal transmitted by base stations 210, 212, and 214 / 216 can be uniform, it may not identify a specific cell, but rather a zoning that includes multiple cells operating on the same frequency and / or having the same timing. Using zoning in 5G networks or other next-generation communication networks enables uplink-based mobility frameworks and improves the efficiency of both the UE and the network because the number of mobility messages that need to be exchanged between the UE and the network can be reduced.

[0054] The air interface in the radio access network 200 can utilize one or more duplex algorithms. Duplex refers to a point-to-point communication link where both endpoints can communicate with each other in both directions. Full-duplex means that both endpoints can communicate with each other simultaneously. Half-duplex means that only one endpoint can send information to the other endpoint at a time. Half-duplex simulation is typically implemented for wireless links using Time Division Duplex (TDD). In TDD, transmissions in different directions on a given channel are separated using time division multiplexing. That is, at some times, the channel is dedicated to transmissions in one direction, and at other times, the channel is dedicated to transmissions in the other direction, where the direction can change very rapidly, for example, several times per time slot. In wireless links, full-duplex channels generally rely on physical isolation between the transmitter and receiver, and appropriate interference cancellation techniques. Full-duplex simulation is typically implemented for wireless links using Frequency Division Duplex (FDD) or Space Division Duplex (SDD). In FDD, transmissions in different directions can operate at different carrier frequencies (e.g., within paired spectrum). In SDD, transmissions in different directions on a given channel are separated from each other using spatial division multiplexing (SDM). In other examples, full-duplex communication can be implemented within unpaired spectrum (e.g., within a single carrier bandwidth), where transmissions in different directions occur within different subbands of the carrier bandwidth. This type of full-duplex communication may be referred to herein as Subband Full-Duplex (SBFD), also known as flexible duplex.

[0055] In some examples, beamforming signals can be utilized between UE 228, which communicates via millimeter-wave carriers such as FR2, FR4-a, FR4-1, FR4, or FR5, and base station 212. To facilitate beamforming multistream communication, base station 212 can select a corresponding beampair link (BPL) between UE 228 and base station 212 for spatial division multiplexing (SDM) of the corresponding stream on each BPL. Each selected BPL can be associated with a corresponding Transport Configuration Indicator (TCI) state indicating quasi-co-location (QCL) information (e.g., QCL type) between a downlink reference signal (such as a synchronization block (SSB) or channel state information reference signal (CSI-RS)) and a downlink signal or downlink channel (e.g., a physical downlink shared channel) transmitted on the selected BPL.

[0056] Examples of QCL information include QCL type D, which indicates the spatial properties (e.g., beam direction and / or beamwidth) of the beam associated with a specific downlink reference signal. By indicating QCL type D information for PDSCH transmission, base station 212 can inform UE 228 that PDSCH transmission uses the same downlink (transmit) beam as the configured reference signal. In simpler terms, the TCI state can include a beam indication that explicitly identifies which downlink beam base station 212 is using.

[0057] For multi-stream PDSCH communication, base station 212 indicates the corresponding TCI state (e.g., corresponding beam) for each stream. The selected TCI state for multi-stream PDSCH communication can be transmitted from base station 212 to UE 228 within control information (e.g., downlink control information (DCI)) that further carries resource allocation (e.g., time-frequency resources) for multi-stream PDSCH communication. For example, three bits in the DCI can be used to signal the selected TCI state for a specific stream. However, since the control information includes a separately selected TCI state for each stream, the signaling overhead increases linearly with the number of streams.

[0058] Therefore, in various aspects of this disclosure, base station 212 and UE 228 can enable the configuration of TCI state groups on base station 212 and UE 228. Each TCI state group includes multiple (e.g., two or more) TCI states, each TCI state indicating a corresponding transmit (downlink) beam for a corresponding stream of multi-stream PDSCH communication transmitted thereon. In some examples, base station 212 can group its various transmit beams into multiple beam groups. Each beam group may include a single transmit beam from base station 212 for multi-stream communication. Base station 212 can then configure multiple TCI state groups, each corresponding to a different corresponding beam group, for UE 228 and transmit these TCI state groups to UE 228. For example, TCI state groups can be configured based on beam reports received from UE 228. For example, UE 228 can obtain a corresponding beam quality metric for each transmit beam from base station 212 and transmit a beam report indicating the beam group based on the corresponding beam quality metric.

[0059] In some examples, base station 212 may transmit radio resource control (RRC) configurations (e.g., RRC TCI state group tables) for multiple TCI state groups to UE 228. The RRC TCI state group table may include a corresponding TCI state group identifier for each TCI state group and a list of TCI states included within the corresponding TCI state group. UE 228 may then store the RRC TCI state group table for receiving subsequent multi-stream communications. In some examples, base station 212 may further transmit an activation message (e.g., MAC-CE) to the UE, which activates the set of active TCI state groups among the multiple TCI state groups. UE 228 may further store the set of active TCI state groups. For multi-stream PDSCH communications, base station 212 may then select one of the active TCI state groups for the transmission of multi-stream PDSCH communications and include the selected active TCI state group in the control information (e.g., DCI) scheduling the multi-stream PDSCH communications.

[0060] Figure 3 This is a diagram illustrating an example of a wireless communication system 300 used to facilitate both cellular and sidelink communication. The wireless communication system 300 includes multiple wireless communication devices 302a, 302b, and 302c, and a base station (e.g., an eNB or gNB) 306. In some examples, the wireless communication devices 302a, 302b, and 302c may be a UE capable of D2D or a V2X device within a V2X network.

[0061] Wireless communication devices 302a and 302b can communicate on the first PC5 interface 304a, while wireless communication devices 302a and 302c can communicate on the second PC5 interface 304b. Wireless communication devices 302a, 302b, and 302c can further communicate with base station 306 on corresponding Uu interfaces 308a, 308b, and 308c. Sidelink communication over PC5 interfaces 304a and 304b can be carried in licensed frequency domains, for example, using radio resources operating according to 5G NR or NR Sidelink (SL) specifications, and / or in unlicensed frequency domains, using radio resources operating according to 5G Unlicensed New Radio (NR-U) specifications.

[0062] In some examples, a shared carrier may be shared between PC5 interfaces 304a and 304b and Uu interfaces 308a-308c, such that resources on the shared carrier can be allocated for both sidelink communication between wireless communication devices 302a-302c and cellular communication (e.g., uplink and downlink communication) between wireless communication devices 302a-302c and base station 306. For example, wireless communication system 300 may be configured to support a V2X network, where resources for both sidelink communication and cellular communication are scheduled by base station 306. In other examples, wireless communication devices 302a-302c may autonomously select (e.g., from one or more frequency bands or subbands designated for sidelink communication) sidelink resources for communication between them. In this example, wireless communication devices 302a-302c can act as both a scheduling entity and a scheduled entity that schedules sidelink resources for communication with each other.

[0063] Reference Figure 4 The OFDM waveforms illustrated herein are used to describe various aspects of this disclosure. Those skilled in the art will understand that various aspects of this disclosure can be applied to DFT-s-OFDMA waveforms in substantially the same manner as described below. That is, while some examples of this disclosure may focus on OFDM links for clarity, it should be understood that the same principles can also be applied to DFT-s-OFDMA waveforms.

[0064] Within this disclosure, a frame refers to a 10 ms duration used for wireless transmission, wherein each frame comprises 10 subframes, each 1 ms in length. On a given carrier, there may exist a set of frames in the UL and another set of frames in the DL. Referring now to... Figure 4 An expanded view of an exemplary DL subframe 402 is illustrated, showing an OFDM resource grid 404. However, as those skilled in the art will readily appreciate, the PHY transmission structure for any particular application may differ from the example described herein depending on any number of factors. Here, time is in the horizontal direction in units of OFDM symbols; while frequency is in the vertical direction in units of subcarriers or frequency modulations.

[0065] Resource grid 404 can be used to schematically represent time-frequency resources for a given antenna port. That is, in a MIMO implementation with multiple antenna ports available, there can be multiple corresponding resource grids 404 available for communication. Resource grid 404 is divided into multiple resource elements (REs) 406. An RE (which is 1 subcarrier × 1 symbol) is the smallest discrete part of the time-frequency grid and contains a single complex value representing data from a physical channel or signal. Depending on the modulation used in a particular implementation, each RE may represent one or more information bits. In some examples, an RE block may be referred to as a physical resource block (PRB) or more simply as a resource block (RB) 408, which contains any suitable number of coherent subcarriers in the frequency domain. In one example, an RB may include 12 subcarriers, the number of which is independent of the parameter design used. In some examples, depending on the parameter design, an RB may include any suitable number of coherent OFDM symbols in the time domain. Within this disclosure, it is assumed that a single RB (such as RB 408) corresponds exactly to a single communication direction (transmission or reception for a given device).

[0066] UEs typically utilize only a subset of resource grid 404. An RB can be the smallest unit of resource that can be allocated to a UE. Therefore, the more RBs scheduled for a UE and the more sophisticated the modulation scheme selected for the air interface, the higher the UE's data rate.

[0067] In this explanation, RB 408 is shown to occupy less than the entire bandwidth of subframe 402, where some subcarriers above and below RB 408 are explained. In a given implementation, subframe 402 may have bandwidth corresponding to any number of one or more RB 408s. Furthermore, in this explanation, RB 408 is shown to occupy less than the entire duration of subframe 402, but this is merely one possible example.

[0068] Each subframe 402 (e.g., a 1 ms subframe) may include one or more adjacent time slots. As an illustrative example, in Figure 4 In the example shown, a subframe 402 includes four time slots 410. In some examples, time slots may be defined based on a specified number of OFDM symbols with a given cyclic prefix (CP) length. For example, a time slot may include 7 or 14 OFDM symbols with a nominal CP. Additional examples may include mini-time slots with shorter durations (e.g., 1, 2, 4, or 7 OFDM symbols). In some cases, these mini-time slots may occupy resources scheduled for ongoing time slot transmissions for the same or different UEs.

[0069] An expanded view of one of these time slots 410 illustrates that the time slot 410 includes a control region 412 and a data region 414. Generally, the control region 412 may carry a control channel (e.g., PDCCH), while the data region 414 may carry a data channel (e.g., PDSCH or PUSCH). Of course, the time slot may contain all DL, all UL, or at least one DL portion and at least one UL portion. Figure 4 The simple structure described in the text is merely exemplary in nature and can utilize different time slot structures, and may include one or more of each control region and data region.

[0070] Although not in Figure 4 The explanation is as follows: Each RE 406 within RB 408 can be scheduled to carry one or more physical channels, including control channels, shared channels, data channels, etc. Other REs 408 within RB 406 can also carry pilot or reference signals. These pilot or reference signals can be used by the receiver equipment to perform channel estimation for the corresponding channels, which enables coherent demodulation / detection of the control and / or data channels within RB 408.

[0071] In some examples, time slot 410 can be used for broadcast or unicast communication. For example, broadcast, multicast, or ensemble communication can refer to point-to-multipoint transmission from one device (e.g., a base station, UE, or other similar device) to other devices. Here, broadcast communication is delivered to all devices, while multicast communication is delivered to multiple intended receiving devices. Unicast communication can refer to point-to-point transmission from one device to a single other device.

[0072] In an example of cellular communication over a cellular carrier via the Uu interface, for DL ​​transmission, a scheduling entity (e.g., a base station) may allocate one or more REs 406 (e.g., within control area 412) to carry DL control information, including one or more DL control channels (such as the Physical Downlink Control Channel (PDCCH)), destined for one or more scheduled entities (e.g., UEs). The PDCCH carries downlink control information (DCI), including but not limited to power control commands for DL ​​and UL transmissions (e.g., one or more open-loop power control parameters and / or one or more closed-loop power control parameters), scheduling information, grants, and / or RE assignments. The PDCCH may further carry HARQ feedback transmissions, such as acknowledgment (ACK) or negative acknowledgment (NACK). HARQ is a technique well known to those skilled in the art, where, for accuracy, any suitable integrity verification mechanism (such as a checksum or cyclic redundancy check (CRC)) may be used to verify the integrity of packet transmissions at the receiving side. If the integrity of the transmission is acknowledged, an ACK may be transmitted, and if not, a NACK may be transmitted. In response to NACK, the transmitting device can send a HARQ retransmission, which enables catch-up retransmission, incremental redundancy, and so on.

[0073] The base station may further allocate one or more REs 406 (e.g., in control area 412 or data area 414) to carry other DL signals, such as demodulation reference signals (DMRS); phase tracking reference signals (PT-RS); channel state information (CSI) reference signals (CSI-RS); and synchronization signal blocks (SSBs). SSBs may be broadcast at regular intervals based on periodicity (e.g., 4, 10, 20, 40, 80, or 140 milliseconds). SSBs include the primary synchronization signal (PSS), secondary synchronization signal (SSS), and physical broadcast control channel (PBCH). The UE may utilize the PSS and SSS to achieve radio frame, subframe, time slot, and symbol synchronization in the time domain, identify the center of the channel (system) bandwidth in the frequency domain, and identify the physical cell identity (PCI) of the cell.

[0074] The PBCH in the SSB may further include: a Master Information Block (MIB), which includes various system information and parameters for decoding the System Information Block (SIB). The SIB may be, for example, System Information Type 1 (SIB1), which may include various additional system information. Examples of system information transmitted in the MIB may include, but are not limited to, subcarrier spacing, system frame number, configuration of the PDCCH control resource set (CORESET) (e.g., PDCCH CORESET0), and the search space for SIB1. Examples of additional system information transmitted in SIB1 may include, but are not limited to, random access search space, downlink configuration information, and uplink configuration information. Together, the MIB and SIB1 provide the minimum system information (SI) for initial access.

[0075] In UL transmissions, the scheduled entity (e.g., the UE) may use one or more RE 406s to carry UL control information (UCI) to the scheduling entity. This UL control information includes one or more UL control channels, such as the Physical Uplink Control Channel (PUCCH). The UCI may include various packet types and categories, including pilots, reference signals, and information configured to enable or assist in decoding uplink data transmissions. In some examples, the UCI may include a scheduling request (SR), i.e., a request for the scheduling entity to schedule uplink transmissions. Here, in response to the SR transmitted on the UCI, the scheduling entity may transmit downlink control information (DCI), which can schedule resources for uplink packet transmissions. The UCI may also include HARQ feedback, channel state feedback (CSF) (such as CSI reports), or any other suitable UCI.

[0076] In addition to control information, one or more REs 406 (e.g., within data area 414) may also be allocated for data traffic. Such data traffic may be carried on one or more traffic channels, such as the Physical Downlink Shared Channel (PDSCH) for DL ​​transmissions, or the Physical Uplink Shared Channel (PUSCH) for UL transmissions. In some examples, one or more REs 406 within data area 414 may be configured to carry other signals, such as one or more SIBs and DMRS.

[0077] In an example of sidelink communication on a sidelink carrier via the PC4 interface, the control area 412 of time slot 410 may include a Physical Sidelink Control Channel (PSCCH), which includes sidelink control information (SCI) transmitted by an initiating (transmitting) sidelink device (e.g., a Tx V2X device or other Tx UE) to a set of one or more other receiving sidelink devices (e.g., Rx V2X devices or other Rx UEs). The data area 414 of time slot 410 may include a Physical Sidelink Shared Channel (PSSCH), which includes sidelink data traffic transmitted by the initiating (transmitting) sidelink device within resources reserved on the sidelink carrier by the transmitting sidelink device via the SCI. Further information may be transmitted on various REs 406 within time slot 410. For example, HARQ feedback information may be transmitted from the receiving sidelink device to the transmitting sidelink device in the Physical Sidelink Feedback Channel (PSFCH) within time slot 410.

[0078] The above description and in Figure 1 and 4 The channels or carriers described are not necessarily all the channels or carriers that can be used between the scheduling entity 108 and the scheduled entity 106, and those skilled in the art will recognize that other channels or carriers, such as other traffic, control, and feedback channels, can be used in addition to those described.

[0079] These physical channels are typically multiplexed and mapped to transport channels for processing by the Media Access Control (MAC) layer. The transport channel carries blocks of information, called transport blocks (TBs). The transport block size (TBS) (which may correspond to the number of information bits) can be a controlled parameter based on the modulation and coding scheme (MCS) and the number of redundancies (RBs) in a given transmission.

[0080] Figure 5 An example of a wireless communication system 500 supporting beamforming and / or MIMO is described. In the MIMO system, transmitter 502 includes multiple transmit antennas 504 (e.g., N transmit antennas), and receiver 506 includes multiple receive antennas 508 (e.g., M receive antennas). Thus, there are N × M signal paths 508 from the transmit antennas 504 to the receive antennas 510. Each of transmitter 502 and receiver 506 may be implemented, for example, in a scheduling entity, a scheduled entity, or any other suitable wireless communication device.

[0081] The use of such multi-antenna techniques enables wireless communication systems to utilize spatial domains to support spatial multiplexing, beamforming, and transmit diversity. Spatial multiplexing can be used to simultaneously transmit different data streams (also known as layers) on the same time-frequency resources. These data streams can be transmitted to a single UE to increase the data rate or to multiple UEs to increase the overall system capacity, the latter being known as multi-user MIMO (MU-MIMO). This is achieved by spatially precoding each data stream (i.e., multiplying these data streams by different weights and phase shifts) and then transmitting each spatially precoded stream over multiple transmit antennas on the downlink. The spatially precoded data streams arrive at the UE with different spatial signatures, which allow each UE to recover one or more data streams intended for that UE. On the uplink, each UE transmits spatially precoded data streams, which allows the base station to identify the source of each spatially precoded data stream.

[0082] The number of data streams or layers corresponds to the transmission rank. Generally, the rank of a MIMO system 500 is limited by the lower of the number of transmit or receive antennas 504 or 508. Additionally, channel conditions at the UE and other considerations, such as available resources at the base station, can also affect the transmission rank. For example, the rank assigned to a particular UE on the downlink (and therefore the number of data streams) can be determined based on a rank indicator (RI) transmitted from that UE to the base station. The RI can be determined based on the antenna configuration (e.g., the number of transmit and receive antennas) and the measured signal-to-interference-plus-noise ratio (SINR) on each receive antenna. The RI can indicate, for example, the number of layers that can be supported under the current channel conditions. The base station can use the RI along with resource information (e.g., available resources and the amount of data to be scheduled for the UE) to assign a transmission rank to the UE.

[0083] In one example, such as Figure 5 As shown, rank-2 spatial multiplexing transmission on a 2x2 MIMO antenna configuration delivers one data stream from each transmit antenna 504. Each data stream arrives at each receive antenna 510 along a different signal path 508. Receiver 506 can then reconstruct these data streams using the signals received from each receive antenna 508.

[0084] Beamforming is a signal processing technique that can be used at transmitter 502 or receiver 506 to shape or guide an antenna beam (e.g., a transmit beam or a receive beam) along a spatial path between transmitter 502 and receiver 506. Beamforming can be achieved by combining signals transmitted via antenna 504 or 508 (e.g., antenna elements of an antenna array module) such that some of these signals undergo constructive interference while others undergo destructive interference. To create the desired constructive / destructive interference, transmitter 502 or receiver 506 can apply amplitude and / or phase shifts to the signals transmitted or received from each of the antennas 502 or 506 associated with transmitter 504 or receiver 508.

[0085] In 5G New Radio (NR) systems, particularly mmWave systems, beamforming signals can be used on most downlink channels, including the Physical Downlink Control Channel (PDCCH) and the Physical Downlink Shared Channel (PDSCH). Additionally, broadcast messages (such as SSB, CSI-RS, Slot Format Indicator (SFI), and paging messages) can be transmitted in a beam-sweep manner so that all scheduled entities (UEs) within the coverage area of ​​the Transport Receiver Point (TRP) (e.g., gNB) can receive the broadcast message. Furthermore, for UEs equipped with beamforming antenna arrays, beamforming signals can also be used on uplink channels (including the Physical Uplink Control Channel (PUCCH) and the Physical Uplink Shared Channel (PUSCH)).

[0086] To facilitate multi-stream communication using SDM, transmitter 502 and receiver 506 can be configured with TCI state groups for multi-stream communication between receiver 506 and transmitter 502, and between receiver 506 and at least one additional transmitter (not shown). Here, receiver 506 may correspond to a UE or other scheduled entity, and transmitter 502 may correspond to a base station or other scheduling entity coordinating communication between multiple TRPs. For example, transmitter 502 may be configured to configure multiple TCI state groups for receiver 506 and transmit these multiple TCI state groups to receiver 506. For example, transmitter 502 may be configured to transmit RRC configurations (e.g., an RRC TCI state group table) of multiple TCI state groups to receiver 506. The RRC TCI state group table may include a corresponding TCI state group identifier for each TCI state group along with a list of the corresponding TCI states included within each TCI state group. Receiver 506 may then store the multiple TCI state groups received from transmitter 502.

[0087] In some examples, transmitter 502 may be further configured to transmit an activation message (e.g., MAC-CE) to receiver 506, which activates a set of active TCI state groups among a plurality of TCI state groups. Receiver 506 may further store the set of active TCI state groups. For multi-stream PDSCH communication, transmitter 502 may then select one of the active TCI state groups for transmission of multi-stream PDSCH communication and transmit control information (e.g., DCI) including the selected active TCI state group for multi-stream PDSCH communication.

[0088] Figure 6 Figure 600 illustrates an example of beamforming in communication between UE 602 and base station 604, according to some aspects. Base station 604 may correspond to a macrocell, small cell, picocell, femtocell, relay node, or other radio access network (RAN) node. Base station 604 may be... Figure 1-3 And / or any of the base stations or scheduling entities described in section 5. UE 602 can be Figure 1-3 And / or any of the UEs or scheduled entities described in 5.

[0089] Base station 604 can generally communicate with UE 602 using one or more base station beams on base station 604, and UE 602 can further communicate with base station 604 using one or more UE beams on UE 602. As used herein, the term base station beam can refer to a beam on base station 604 that can be used for downlink or uplink communication with UE 602. Furthermore, the term UE beam can refer to a beam on UE 602 that can be used for downlink or uplink communication with base station 604.

[0090] exist Figure 6 In the example shown, base station 604 is configured to generate multiple base station beams 606a-606h, each associated with a different spatial direction. Additionally, UE 602 is configured to generate multiple UE beams 608a-608g, each associated with a different spatial direction. In some examples, base station 604 and UE 602 may each transmit more or fewer beams distributed in all directions (e.g., 360 degrees) and in three dimensions. Furthermore, base station beams 606a-606h may include beams with varying beamwidths. For example, base station 604 may transmit certain signals (e.g., SSB) on a wider beam and other signals (e.g., CSI-RS) on a narrower beam. In some examples, base station beams 606a-606h on base station 604 and UE beams 608a-608g on UE 602 may be spatially oriented millimeter-wave beams (e.g., FR2, FR4-a, or FR4-1, FR4, FR5, or other frequency ranges specified).

[0091] The beam management procedure may involve (e.g., by base station 604) determining one or more beampuppet links (BPLs) between base station 604 and UE 602. The beam management procedure may include beam determination of available beampuppet links, measurement of the quality of available beampuppet links, reporting of measurements, and beam sweeping to find the optimal beampuppet link.

[0092] exist Figure 6 In the example shown, base station 604 and UE 602 can use beam management procedures to select one or more base station beams 606a-606h on base station 604 and one or more UE beams 608a-608g on UE 602 for transmitting uplink and downlink signals therebetween. In one example, during initial cell acquisition on base station 604, UE 602 can execute a corresponding P1 beam management procedure to scan the multiple base station beams 606a-606h on base station 604 and select the corresponding BPL associated with base station 604 on the multiple UE beams 608a-608g for the Physical Random Access Channel (PRACH) procedure for initial access. For example, UE 602 can select a BPL that includes one of the base station beams 606a-606h on base station 604 and a corresponding one of the UE beams 608a-608g on UE 602.

[0093] For example, periodic SSB beam sweeping can be implemented on base station 604 at specific intervals (e.g., based on SSB periodicity). Therefore, base station 604 can be configured to sweep or transmit SSBs on each of a plurality of wider base station beams 606a-606h during the corresponding beam sweep interval. UE 602 can measure the Reference Signal Received Power (RSRP) of each SSB base station beam on each UE beam, and for each of TRPs 604a and 604b, select the base station beam and UE beam based on the measured RSRP. In one example, the selected UE beam may be the UE beam on which the highest RSRP is measured, and the selected base station beam may have the highest RSRP measured on the selected receive beam.

[0094] After completing the PRACH procedure, base station 604 and UE 602 can execute the P2 beam management procedure for beam refinement at base station 604. For example, base station 604 can be configured to sweep or transmit CSI-RS on each of a plurality of narrower base station beams 606a-606h on base station 604. Each of these narrower CSI-RS beams can be a sub-beam of a selected SSB base station beam (e.g., within the spatial direction of the SSB base station beam). The transmission of the CSI-RS base station beam can occur periodically (e.g., as configured by gNB via Radio Resource Control (RRC) signaling), semi-persistently (e.g., as configured by gNB via RRC signaling and activated / deactivated via Media Access Control-Control Element (MAC-CE) signaling), or aperiodically (e.g., as triggered by gNB via Downlink Control Information (DCI)). UE 602 is configured to scan multiple CSI-RS base station beams 606a-606h on one or more UE beams 608a-608g. UE 602 then performs beam measurements (e.g., RSRP, SINR, etc.) on the CSI-RS received on the one or more UE beams 608a-608g to determine the corresponding beam quality of each of the CSI-RS base station beams 606a-606h, as measured on the one or more UE beams 608a–608g. In some examples, UE 602 may measure the RSRP of each of the narrower CSI-RS base station beams 606a-606h from base station 604 on the corresponding UE beam selected during the P1 beam management procedure.

[0095] UE 602 can then generate and transmit a Layer 1 (L1) measurement report to base station 604, which includes the corresponding beam index (e.g., CSI-RS Resource Indicator (CRI)) and beam measurement (e.g., RSRP or SINR) of one or more of the CSI-RS base station beams 606a-606h on base station 604, on one or more of the UE beams 408a-408e. Base station 604 can then select one or more CSI-RS base station beams on base station 604 to communicate downlink and / or uplink control and / or data with UE 602. In some examples, the selected CSI-RS base station beam(s) has the highest RSRP from the L1 measurement report. The transmission of the L1 measurement report can occur periodically (e.g., as configured by gNB via RRC signaling), semi-persistently (e.g., as configured by gNB via RRC signaling and activated / deactivated via MAC-CE signaling), or aperiodically (e.g., triggered by gNB via DCI).

[0096] UE 602 can further select a corresponding UE beam on UE 602 for each selected serving CSI-RS base station beam to form a corresponding beam pair link (BPL) for each selected serving CSI-RS base station beam. For example, UE 602 can use beam measurements obtained during the P2 procedure or execute the P3 beam management procedure to obtain new beam measurements for the selected CSI-RS base station beam to select a corresponding UE beam for each selected base station beam. In some examples, the selected UE beam to be paired with a specific CSI-RS base station beam may be the UE beam on which the highest RSRP is measured for that specific CSI-RS base station beam.

[0097] Furthermore, when the channel is reciprocal, an uplink beam management scheme can be used to select the base station beam and the UE beam. In one example, UE 602 can be configured to sweep or transmit on each of the multiple UE beams 608a-608g. For example, UE 602 can transmit SRS on each beam in different beam directions. Additionally, base station 604 can be configured to receive uplink beam reference signals on multiple base station beams 606a-606h. Base station 604 then performs beam measurements (e.g., RSRP, SINR, etc.) on the beam reference signals on each of the base station beams 606a-606h to determine the corresponding beam quality of each of the UE beams 608a-608g, as measured on each of the base station beams 606a-606h at base station 604.

[0098] Base station 604 may then select one or more base station beams on which it will communicate downlink and / or uplink control and / or data with UE 602. In some examples, the selected base station beams have the highest RSRP. UE 602 may then use, for example, the P3 beam management procedure as described above to select a corresponding UE beam for each selected serving base station beam to form a corresponding beam pair link (BPL) for each selected serving base station beam.

[0099] In one example, a single base station beam (e.g., beam 606b) on base station 604 and a single corresponding UE beam (e.g., beam 608f) on UE 602 can form a corresponding single BPL for communication between base station 604 and UE 602 for multi-stream communication. For example, a PDSCH stream can be transmitted on the first BPL formed by base station beam 606b and UE beam 608f.

[0100] In some examples, after UE 602 connects to base station 604, base station 604 may configure UE 602 to perform SSB and / or CSI-RS beam measurements and provide an L1 measurement report containing beam measurements of SSB and / or CSI-RS base station beams 606a-606h. For example, base station 604 may configure UE 602 to perform SSB beam measurements and / or CSI-RS beam measurements for beam management, beam fault detection (BRD), beam fault recovery (BFR), cell reselection, beam tracking (e.g., for mobile UE 602 and / or base station 604), or other beam optimization purposes.

[0101] In various aspects, when receiving a beam report (e.g., an L1 measurement report) from UE 602 during a P2 procedure or other beam management procedure, base station 604 can configure multiple TCI states for UE 602 and provide the configured TCI states to UE 602. For example, UE 602 and base station 604 may be able to manage the configured TCI states for UE 602. Each TCI state may include QCL information indicating a QCL assumption between a source reference signal and a target reference signal, wherein the source reference signal may include one or more of SSB, SRS, TRS, CSI-RS for CQI, and CSI-RS for BM, and the target reference signal may include one or more of TRS, CSI-RS for BM, CSI-RS for CQI, DMRS for PDSCH, and DMRS for PDCCH. For example, each TCI state may include QCL information (e.g., QCL type D information) between a downlink reference signal (such as SSB or CSI-RS) and a downlink signal or downlink channel (e.g., PDSCH) to be transmitted from base station 604 to UE 602. For example, the QCL information may indicate a specific beam on which PDSCH can be transmitted. Therefore, for example, multiple TCI states may each correspond to multiple base station beams 606a-606h.

[0102] In one example, to indicate the beam used for the PDSCH, the following procedure can be performed. UE 602 can be semi-statically configured (e.g., via RRC signaling from base station 604) to have up to M available TCI states, where M depends on UE capabilities. Base station 604 can select a TCI state from the available TCI states associated with multiple base station beams 606a-606h respectively, and can indicate the selected TCI state to UE 602 in the DCI corresponding to the PDSCH. When UE 602 receives the DCI indicating the selected TCI state, UE 602 can select a receive beam from multiple UE beams 608a-608g to receive communication from base station 604 based on the QCL assumption indicated by the selected TCI state in the DCI. For example, the selected TCI state can indicate that the DMRS of the PDSCH is QCL with a specific SSB index associated with the transmit beam of base station 604. Subsequently, in this example, UE 602 can use its optimal receive beam (e.g., the optimal receive beam among multiple UE beams 608a-608g) to receive from base station 604. The optimal receive beam for UE 602 can be determined based on a specific SSB index associated with the transmit beam of base station 604.

[0103] Figure 7A and 7B This is an example diagram illustrating the interaction between the UE and the base station during beam management procedures. (Reference) Figure 7A Example Figure 700 illustrates the interaction between UE 702 and base station 704 during the downlink beam management procedure. UE 702 can be... Figure 1-3 The UE or any of the scheduled entities described in 5 and / or 6.

[0104] Base station 704 can be Figure 1-3 Any of the base stations or scheduling entities described in 5 and / or 6.

[0105] After UE 702 connects to base station 704, at 712, base station 704 can perform beam sweeping by transmitting the corresponding CSI-RS on each transmit beam of base station 704. At 714, based on the CSI-RS corresponding to the multiple beams of base station 704 respectively, the base station can measure the signal quality values ​​(e.g., RSRP values) corresponding to the multiple beams of base station 704 respectively. At 716, UE 702 can determine the optimal beam(s) of base station 704 for downlink communication based on the measured signal quality values ​​and report such optimal beam(s). The optimal beam(s) may be the beam(s) corresponding to the highest measured signal quality value.

[0106] At 718, base station 704 can transmit DCI to UE 702, wherein the DCI may include TCI state with QCL information indicating the QCL assumption between the source reference signal and the target reference signal. For example, the QCL information may use a CSI-RS corresponding to a specific beam as the source reference signal and the DMRS used for PDSCH as the target reference signal.

[0107] At 720, UE 702 can configure the receive beam(s) of UE 702 based on QCL information to receive communication from base station 704 using the configured receive beam(s).

[0108] At 722, base station 704 can use the optimal beam(s) indicated by UE 702 to transmit PDSCH, and UE 702 can use the receive beam(s) configured based on QCL information to receive PDSCH.

[0109] refer to Figure 7B Example Figure 750 illustrates the interaction between UE 752 and base station 754 during the uplink beam management procedure. UE 752 can be... Figure 1-3 The UE or scheduled entity described in 5 and / or 6. Base station 754 can be... Figure 1-3 Any of the base stations or scheduling entities described in 5 and / or 6.

[0110] After UE 752 connects to base station 754, at 762, base station 754 can perform beam sweep by transmitting the corresponding CSI-RS on each transmit beam of base station 754. At 764, base station 754 configures UE 752 with SRS resources for uplink transmission.

[0111] If beam correspondence is established, the configured SRS resources can utilize the DL reference signal to indicate the QCL. That is, if UE 752 has already determined its receive beam, then when beam correspondence is established, UE 752 can form a transmit beam based on the DL beam direction of the receive beam. For example, if beam correspondence is established, transmission on the SRS resources can utilize the same spatial configuration used for receiving the DL reference signal indicated by the configured SRS resources. The spatial configuration can be associated with a beam, and therefore the transmit spatial configuration and receive spatial configuration can refer to the transmit beam and receive beam, respectively. Alternatively, UE 752 can perform beam sweeping to determine the optimal transmit beam for UE 752.

[0112] In 766, UE 752 uses the same spatial configuration as when using beam sweep reception to transmit the indicated DL reference signal or SRS at UE 752.

[0113] At 768, base station 754 can measure different SRS (e.g., based on beam sweep of UE 752) and determine the optimal transmit beam of UE 752 for UL transmission based on the SRS measurements. At 770, base station 754 can transmit a DCI to UE 752, wherein the DCI includes an SRS Resource Indicator (SRI) for instructing UE 752 on the optimal transmit beam for UL transmission. For example, the optimal transmit beam for UL transmission may correspond to an SRS configuration indicated by the SRI. At 772, UE 752 can transmit UL transmission to base station 754 using the transmit beam indicated by the SRI.

[0114] As explained above, no explicit indication of the receive beam / receive space configuration for the receiver equipment is provided for communication between the base station and the UE (e.g., in a gNB-UE (Uu) link in NR). Based on the beam management procedures discussed above, the receiver equipment determines the optimal receive beam to use corresponding to the transmit beam from the transmitting equipment, where the receiver equipment can be a UE in DL communication or a base station in UL communication, and the transmitting equipment can be a base station in DL communication or a UE in UL communication. Specifically, for DL ​​communication, the base station indicates a TCI state to the UE, which indicates the QCL assumption (e.g., SSB index 'n') with DL-approved PDSCH DMRS, and based on this TCI state, the UE infers the receive beam to be used for PDSCH reception. Furthermore, for UL communication, the base station provides an SRI in the UL approval indicating the transmit beam to be used by the UE. For UL communication, the base station may determine its receive beam based on the beam correspondence with the UL-approved transmit beam for the UE or based on UL beam management previously completed using SRS transmission.

[0115] In some scenarios, a UE can (e.g., in sidelink communication) broadcast or multicast certain receive beams available to it for reception on certain time slots to other devices. Subsequently, for example, if the other device has sufficient beam correspondence with one or more of the UE's receive beams, it can determine whether to communicate with the UE. The beam management procedure described above is used for unicast communication (e.g., via a Uu link). Therefore, if the beam management procedure described above is used in scenarios involving multiple peer UEs, the UE can perform unicast communication to each of the multiple peer UEs to indicate a specific TCI state determined by the UE for the corresponding communication link, which can involve significant signaling overhead due to the UE being connected to multiple peer UEs. Furthermore, the UE cannot perform the beam management procedure described above with other peer UEs unknown to it.

[0116] Figure 8Figure 800 illustrates an example of a UE communicating with two peer UEs based on certain aspects. Figure 8 In this configuration, UE 810 can communicate with, for example, a first peer UE 830 and a second peer UE 850 via a side link. UE 810 can use a first receive beam 812 to receive communication from the first peer UE 830, which transmits to UE 810 using a transmit beam 832. Therefore, a BPL 840 can be identified between UE 810 and the first peer UE 830 based on the first receive beam 812 and the transmit beam 832. UE 810 can use a second receive beam 814 to receive communication from the first transmit beam 852 of the second peer UE 850, and can use the first receive beam 812 to receive communication from the second transmit beam 854 of the second peer UE 850. Therefore, between UE 810 and the second peer UE 850, the two BPLs 860 and 862 can be identified based on the second receive beam 814 and the first transmit beam 852, and based on the first receive beam 812 and the second transmit beam 854, respectively. Figure 8 In the example, the transmission of the second transmit beam 854 from the second peer UE 850 is reflected from the wall 890, thereby changing its direction toward the first receive beam 812 of UE 810 after reflection. As discussed above, no explicit signaling is executed to indicate the receive beams 812 and 814 of UE 810.

[0117] In the example where UE 810 can receive communication from a first peer UE 830 via only the first receive beam 812 in a specific time slot, UE 810 can also receive communication from another UE (such as a second peer UE 850) via the first receive beam 812 in the same specific time slot. In this example, UE 810 can receive communication from another UE without using a receive beam different from the first receive beam 812. Furthermore, in this example, although UE 810 can use different TRPs for transmission in the same specific time slot, full-duplex operation is only feasible for the direction corresponding to the first receive beam 812. For example, for both transmission and reception, the full-duplex operation of UE 810 can be constrained to the direction corresponding to the first receive beam 812.

[0118] In the example where UE 810 can receive communication only via the first receive beam 812 in a specific time slot, a non-scalable unicast signaling with a known peer can be used to individually indicate to the peer that UE 810 can receive in that specific time slot. In the unicast signaling, UE 810 can indicate to the first peer UE 830 that UE 810 can be used to receive communication from the first peer UE 830 via the transmit beam 832 corresponding to the TCI-1 of the first peer UE 830 in a future time slot. Furthermore, in the unicast signaling, UE 810 can individually indicate to the second peer UE 850 that UE 810 can be used to receive communication from the second peer UE 850 via the second transmit beam 854 corresponding to the TCI-2 of the second peer UE 850 in a future time slot. However, UE 810 may not be able to indicate to other peer UEs (e.g., first peer UE 830 and second peer UE 850) via broadcast or unicast that UE 810 is available to receive communications via a certain receive beam of UE 810.

[0119] According to some aspects of this disclosure, a first wireless device may configure itself to receive communications using a first receive space configuration of the first wireless device; determine a receive configuration indicator (RCI) for indicating the first receive space configuration of the first wireless device; and transmit the RCI to another wireless device (e.g., a second wireless device). For example, the first wireless device may configure itself to use a first receive space configuration of the first wireless device corresponding to a first transmit space configuration of the second wireless device, and determine the RCI and transmit the RCI to the second wireless device. As discussed above, the receive space configuration and transmit space configuration may refer to a receive beam and a transmit beam, respectively. Therefore, the first wireless device may explicitly indicate information associated with a first receive beam of the first wireless device to another device via the first receive space configuration in the RCI. In one aspect, the first receive space configuration may include more than one receive space configuration of the first wireless device.

[0120] In one aspect, RCI may include one or more beam indices that respectively indicate one or more receive space configurations including a first receive space configuration.

[0121] In one aspect, in order to configure the first wireless device to use a first receive space configuration of the first wireless device, the first wireless device can receive a first TCI indicating a first transmit space configuration of the second wireless device from the second wireless device. In this aspect, the first wireless device can configure itself to receive communications using the first receive space configuration based on the first TCI of the second wireless device, and determine an RCI for indicating the first receive space configuration.

[0122] Figure 9Figure 900 illustrates an example of wireless devices communicating with each other based on beam management. Figure 9 In this configuration, the first wireless device 910 can communicate with the second wireless device 930, the third wireless device 950, and the fourth wireless device 970, for example, via a side link. In one example, between the first wireless device 910 and the second wireless device 930, a BPL 840 can be identified using the spatial configuration of the TCI state 1 (TCI-1) of the second wireless device 930. The first wireless device 910 can receive communication from the second wireless device 930 using a first receive beam 812, which transmits to the first wireless device 910 using a transmit beam 932.

[0123] On one hand, the first wireless device 910 can receive from the second wireless device 930 a TCI-1 indicating a transmit spatial configuration associated with the transmit beam 932 of the second device 903. The first wireless device 910 can be configured to receive communication from the second wireless device 930 using a receive spatial configuration associated with a first receive beam 912, which corresponds to the transmit spatial configuration associated with the transmit beam 932 of the second device 903 (e.g., based on the TCI-1 of the second wireless device 930). Subsequently, the first wireless device 910 can determine a first RCI (RCI-1) indicating the receive spatial configuration associated with the first receive beam 912 of the first wireless device 910, and transmit the RCI-1 to the second wireless device 930. Thus, the first wireless device 910 can explicitly indicate information about the first receive beam 912 of the first wireless device 910 via the RCI-1.

[0124] In one example, between the first wireless device 910 and the third wireless device 950, the spatial configuration of the TCI states 1 (TCI-1) and 2 (TCI-2) of the third wireless device 950 can be used to identify the two BPLs 960 and 962. The first wireless device 910 can utilize the second receive beam 914 to receive communication from the first transmit beam 952 of the second wireless device 930, and can utilize the first receive beam 912 to receive communication from the second transmit beam 954 of the second wireless device 930. Figure 9 In the example, the transmission of the second transmit beam 954 from the second wireless device 930 is reflected from the wall 990, thereby changing its direction toward the first receive beam 912 of the first wireless device 910 after reflection.

[0125] In one aspect, the first wireless device 910 can receive from the third wireless device 950 a TCI-1 indicating a transmit spatial configuration associated with a first transmit beam 952 of the third wireless device 950. The first wireless device 910 can configure itself to receive communication from the third wireless device 950 using a receive spatial configuration associated with a second receive beam 914, which corresponds to the transmit spatial configuration associated with the first transmit beam 952 of the third wireless device 950 (e.g., based on the TCI-1 of the third wireless device 950). Subsequently, the first wireless device 910 can determine a second RCI (RCI-2) indicating a receive spatial configuration associated with the second receive beam 914 of the first wireless device 910, and transmit the RCI-2 to the third wireless device 950. In another aspect, the first wireless device 910 can receive from the third wireless device 950 a TCI-2 indicating a transmit spatial configuration associated with a transmit beam 954 of the third wireless device 950. The first wireless device 910 may be configured to receive communication from the third wireless device 950 using a receive spatial configuration associated with a first receive beam 912, which corresponds to a transmit spatial configuration associated with a second transmit beam 954 of the third wireless device 950 (e.g., based on TCI-2 of the third wireless device 950). Subsequently, the first wireless device 910 may determine an RCI-1 indicating the receive spatial configuration associated with a second receive beam 914 of the first wireless device 910, and transmit an RCI-2 to the third wireless device 950.

[0126] In some aspects, the first wireless device may (e.g., via a side link) transmit to the second wireless device a timeslot indication of one or more future timeslots available for communication by the first wireless device using a first receive spatial configuration indicated by the RCI. The first wireless device may use the first receive spatial configuration to receive transmissions from the second wireless device on one or more future timeslots. Thus, the first wireless device may indicate that it is available for reception using the first wireless receive spatial configuration indicated by the RCI in certain future timeslots. Therefore, for these specific future timeslots, the first wireless device may tune to a first receive beam corresponding to the RCI for any potential transmissions from the second wireless device.

[0127] In one aspect, the first wireless device can transmit a channel quality measurement corresponding to the RCI to the second wireless device. In this aspect, the second wireless device can determine one or more transmission parameters based on the channel quality measurement, and can transmit the transmission to the first wireless device in the one or more future time slots based on the one or more transmission parameters. In one aspect, the channel quality measurement can be based on at least one of a Reference Signal Received Power (RSRP) value, a Reference Signal Received Quality (RSRQ) value, a Channel Quality Indicator (CQI), or a Rank Indicator (RI).

[0128] In one aspect, the first wireless device can transmit a beam correspondence indication to the second wireless device, wherein the beam correspondence indication indicates that the first wireless device supports beam correspondence to form a transmit beam corresponding to a first receive beam identified by RCI. For example, if the first wireless device supports beam correspondence, beams pointing in the same or similar directions can be configured as a transmit beam for transmission and a receive beam for reception at the first wireless device.

[0129] refer to Figure 9 As illustrated in the example diagram, the first wireless device 910 can transmit to the second wireless device 930 a time slot indication for future time slots available for communication by the first wireless device 910 using a first receive spatial configuration indicated by RCI-1. Thus, the second wireless device 930 can transmit a transmission to the first wireless device 910 on at least one of the future time slots indicated in the time slot indication, and the first wireless device 910 can receive the transmission on at least one of the future time slots using the first receive spatial configuration (e.g., via the first receive beam 912). In one aspect, the first wireless device 910 can transmit a channel quality measurement corresponding to RCI-1 to the second wireless device 930, such that the second wireless device 930 can determine transmission parameters based on the channel quality measurement and use these transmission parameters to transmit a transmission to the first wireless device 910, which is received via using the first receive spatial configuration (e.g., via the first receive beam 912).

[0130] In some aspects, the first wireless device may (e.g., via a sidelink) transmit to one or more other wireless devices a timeslot indication of one or more future timeslots available for communication by the first wireless device using a first receive space configuration indicated by RCI. In one aspect, the timeslot indication of one or more future timeslots may be transmitted via broadcast and / or multicast transmission. For example, in this example, the first wireless device may (e.g., via broadcast or multicast) indicate to other wireless devices one or more future timeslots available to the first wireless device, one or more of which may not be unknown to the first wireless device. The first wireless device can then use the first receive space configuration to receive transmissions from at least one of the one or more other wireless devices on the one or more future timeslots.

[0131] refer to Figure 9 As illustrated in the example diagram, the first wireless device 910 can (e.g., via broadcast or multicast) transmit to other wireless devices a timeslot indication for future timeslots available for communication by the first wireless device 910 using a first receive spatial configuration indicated by RCI-1. Other wireless devices may include devices known to the first wireless device 910, such as the second wireless device 930 and the third wireless device 950, and / or devices unknown to the first wireless device 910, such as the fourth wireless device 970. Thus, at least one of the other devices can transmit a transmission to the first wireless device 910 on at least one of the future timeslots indicated in the timeslot indication, and the first wireless device 910 can receive the transmission on at least one of the future timeslots using the first receive spatial configuration (e.g., via a first receive beam 912). For example, the first wireless device 910 may use a first receive spatial configuration associated with RCI-1 (e.g., via the first receive beam 912) to receive, on at least one future time slot indicated in the time slot indication, transmissions from the second wireless device 930 via the transmit beam 932, from the third wireless device 950 via the second transmit beam 954, and from the fourth wireless device 970 via the transmit beam 974.

[0132] In one example, the first wireless device 910 may receive communication on a future time slot without using the second receive space configuration associated with RCI-2, which would be used to receive communication via the first receive space configuration associated with RCI-1. In this example, the first wireless device 910 may receive transmissions, such as those transmitted via the first transmit beam 952 of the third wireless device 950, without using the second receive space configuration associated with RCI-2 (e.g., via the second receive beam 914).

[0133] In some aspects, the time slot indication from the first wireless device 910 can indicate that RCI-1 is available for a first future time slot set, and RCI-2 is available for a second future time slot set different from the first future time slot set. For example, 50% of the future time slots may be available for RCI-1 and the other 50% may be available for RCI-2. In one example, the first future time slot set may be time slots with even-numbered time slot numbers, and the second future time slot set may be time slots with odd-numbered time slot numbers. In one example, the first wireless device 910 may receive transmissions on the first future time slot set via a first receive beam 912 from a second transmit beam 954 of the third wireless device 950, and may receive transmissions on the second future time slot set via a second receive beam 914 from a first transmit beam 952 of the third wireless device 950.

[0134] In some aspects, a first wireless device may transmit sidelink communication to other wireless devices using a transmit beam associated with a specific TCI state (e.g., via broadcast or connectionless swarm broadcast), where the sidelink communication may indicate that the first wireless device supports beam correspondence and may further indicate the specific TCI state. Another wireless device receiving the sidelink communication may determine the link quality of its various beams based on the sidelink communication and select a receive beam corresponding to the first wireless device's transmit beam based on the link quality. Subsequently, the wireless device may transmit a transmission to the first wireless device using the transmit beam corresponding to the selected receive beam, and the first wireless device may receive the transmission using the receive beam corresponding to the first wireless device's specific TCI state / transmit beam. In one aspect, the first wireless device may receive communication on one or more future time slots using the receive beam corresponding to the first wireless device's specific TCI state / transmit beam. Therefore, even if other wireless devices are not provided with any RCI state of the first wireless device, the transmit and receive beams for the wireless devices can be determined based on beam correspondence.

[0135] Therefore, in one aspect, a first wireless device may use a second transmit space configuration of the first wireless device to transmit sidelink communication to one or more other wireless devices. In this aspect, the sidelink communication may include a second TCI and / or beam correspondence indication of the first wireless device. The second TCI indicates the second transmit space configuration of the first wireless device, while the beam correspondence indication may indicate that the first wireless device is capable of beam correspondence to form a receive beam corresponding to the transmit beam indicated by the second TCI. In this aspect, the first wireless device may transmit a timeslot indication for one or more future timeslots available for communication using a second receive space configuration having beam correspondence with the second TCI of the first wireless device, and may receive transmissions from at least one of the one or more wireless devices on the one or more future timeslots using a second receive space configuration corresponding to the second transmit space configuration indicated by the second TCI. In one aspect, the timeslot indication for the one or more future timeslots may be transmitted via at least one of broadcast transmission or multicast transmission.

[0136] refer to Figure 9 In an example, as shown in the illustration, a first wireless device 910 may transmit sidelink communication to a third wireless device 950 using a transmit beam associated with a second TCI, wherein the sidelink communication indicates that the first wireless device 910 supports beam correspondence and further indicates the second TCI. The transmit beam of the first wireless device 910 may point in the same or similar direction as the second receive beam 914. When receiving sidelink communication, the third wireless device 950 may select a receive beam based on the link quality of various receive beams and may determine a transmit beam corresponding to that receive beam. The determined transmit beam may point in the same or similar direction as the receive beam, and therefore the transmit beam may be a first transmit beam 952 associated with the first TCI of the third wireless device 950. Thus, the third wireless device 950 may use the first transmit beam 952 to transmit, and the first wireless device 910 may use the second receive beam 914 to receive.

[0137] In this example, the first wireless device 910 may transmit a time slot indication for a future time slot that the first wireless device 910 may communicate using a second receive beam 914 having a beam correspondence with the second TCI of the first wireless device 910. Subsequently, the first wireless device 910 may receive (e.g., from the third wireless device 950) a transmission in the future time slot using the second receive beam 914 corresponding to the transmit beam indicated by the second TCI.

[0138] Figure 10This is a block diagram illustrating an example of the hardware implementation of a first device 1000 employing the processing system 1014. For example, the first device 1000 could be a wireless device, such as a user equipment (UE), etc. Figure 1-3 The explanation is provided by any one or more of 5-8 and / or 9.

[0139] The first device 1000 may be implemented using a processing system 1014 including one or more processors 1004. Examples of processors 1004 include microprocessors, microcontrollers, digital signal processors (DSPs), field-programmable gate arrays (FPGAs), programmable logic devices (PLDs), state machines, gated logic, discrete hardware circuits, and other suitable hardware configured to perform the various functionalities described throughout this disclosure. In various examples, the first device 1000 may be configured to perform any one or more functions described herein. That is, as utilized in the first device 1000, the processor 1004 may be used to implement the following and Figure 11-14 The process and procedures explained in the Chinese text, including any one or more of them.

[0140] In this example, processing system 1014 can be implemented using a bus architecture generally represented by bus 1002. Depending on the specific application and overall design constraints of processing system 1014, bus 1002 may include any number of interconnect buses and bridges. Bus 1002 communicatively couples together various circuits including one or more processors (generally represented by processor 1004), memory 1005, and computer-readable media (generally represented by computer-readable storage media 1006). Bus 1002 may also link various other circuits, such as timing sources, peripheral devices, voltage regulators, and power management circuits, which are well known in the art and therefore will not be described further. Bus interface 1008 provides an interface between bus 1002 and transceiver 1010. Transceiver 1010 provides a communication interface or device for communicating with various other devices over a transmission medium. Depending on the characteristics of the device, user interface 1012 (e.g., keypad, display, speaker, microphone, joystick) may also be provided.

[0141] In some aspects of this disclosure, processor 1004 may include spatial configuration circuitry 1040 configured for various functions, including, for example, configuring a first device to receive signals from a second device using a first receive spatial configuration of the first device, the first receive spatial configuration corresponding to a first transmit spatial configuration of the second device. For example, spatial configuration circuitry 1040 may be configured to implement the following regarding... Figure 11 , 12A One or more functions described in 12B, including, for example, boxes 1102 and 1204.

[0142] In some aspects, the space configuration circuitry 1040 can be configured for various functions, including, for example, receiving a first transmit configuration indicator (TCI) from a second device that indicates a first transmit space configuration of the second device. For example, the space configuration circuitry 1040 can be configured to implement the following regarding... Figure 12A-12B One or more functions are described, including, for example, box 1202.

[0143] In some respects, the space configuration circuitry 1040 can be configured for various functions, including, for example, transmitting signals to a second device using a first transmit space configuration of the first device. For example, the space configuration circuitry 1040 can be configured to implement the following regarding... Figure 13-14 One or more functions are described, including, for example, boxes 1302 and 1404.

[0144] In some aspects, the space configuration circuitry 1040 can be configured for various functions, including, for example, transmitting a first transmit configuration indicator (TCI) to a second device, indicating a first transmit space configuration of the first device. For example, the space configuration circuitry 1040 can be configured to implement the following regarding... Figure 14 One or more functions are described, including, for example, box 1402.

[0145] In some aspects of this disclosure, processor 1004 may include RCI management circuitry 1042 configured for various functions, including, for example, configuring a first device to receive signals from a second device using a first receive space configuration of the first device, the first receive space configuration corresponding to a first transmit space configuration of the second device. For example, RCI management circuitry 1042 may be configured to implement the following regarding... Figure 11-1 2 describes one or more functions, including, for example, boxes 1104 and 1206.

[0146] In some aspects, the RCI management circuitry 1042 can be configured for various functions, including, for example, receiving a receive configuration indication (RCI) from a second device for indicating a first receive space configuration of the second device, the first receive space configuration corresponding to a first transmit space configuration of the first device. For example, the RCI management circuitry 1042 can be configured to implement the following regarding... Figure 13-14 One or more functions are described, including, for example, boxes 1304 and 1406.

[0147] In some aspects of this disclosure, processor 1004 may include communication management circuitry 1044, configured for various functions, including, for example, transmitting RCI to a second device. For example, communication management circuitry 1044 may be configured to implement the following regarding... Figure 11-1 2 describes one or more functions, including, for example, boxes 1106 and 1208.

[0148] In some aspects, the communication management circuitry 1044 can be configured for various functions, including, for example, transmitting communication to a second device on one or more future time slots using a first transmit space configuration of the first device. For example, the communication management circuitry 1044 can be configured to implement the following regarding... Figure 13-14 One or more functions are described, including, for example, boxes 1308 and 1414.

[0149] In some respects, the communication management circuitry 1044 can be configured for various functions, including, for example, transmitting channel quality measurements corresponding to RCI to a second device. For example, the communication management circuitry 1044 can be configured to implement the following regarding... Figure 12A-12B One or more functions are described, including, for example, box 1212.

[0150] In some aspects, the communication management circuitry 1044 can be configured for various functions, including, for example, using a first receive space configuration to receive transmissions from a second device on one or more future time slots. For example, the communication management circuitry 1044 can be configured to implement the following regarding... Figure 12A-12B One or more functions are described, including, for example, box 1214.

[0151] In some aspects, the communication management circuitry 1044 can be configured for various functions, including, for example, transmitting to a second device a beam correspondence indication to instruct the first device to support beam correspondence to form a transmit beam corresponding to a first receive beam identified by RCI. For example, the communication management circuitry 1044 can be configured to implement the following regarding... Figure 12A-12B One or more functions are described, including, for example, box 1216.

[0152] In some aspects, the communication management circuitry 1044 can be configured for various functions, including, for example, using a first receive space configuration to receive transmissions from at least one of the one or more other devices in the one or more future time slots. For example, the communication management circuitry 1044 can be configured to implement the following regarding... Figure 12A-12B One or more functions are described, including, for example, box 1254.

[0153] In some aspects, the communication management circuitry 1044 can be configured for various functions, including, for example, receiving transmissions from at least one of the one or more devices in the one or more future time slots using a second receive space configuration corresponding to a second transmit space configuration indicated by a second TCI. For example, the communication management circuitry 1044 can be configured to implement the following regarding... Figure 12A-12B One or more functions are described, including, for example, box 1260.

[0154] In some aspects, the communication management circuitry 1044 can be configured for various functions, including, for example, receiving channel quality measurements corresponding to the first RCI from a second device. For example, the communication management circuitry 1044 can be configured to implement the following regarding... Figure 14 One or more functions are described, including, for example, box 1410.

[0155] In some respects, the communication management circuitry 1044 can be configured for various functions, including, for example, determining one or more transmission parameters based on channel quality measurements. For instance, the communication management circuitry 1044 can be configured to implement the following regarding... Figure 14 One or more functions are described, including, for example, box 1412.

[0156] In some aspects, the communication management circuitry 1044 can be configured for various functions, including, for example, receiving from a second device a beam correspondence indication for indicating that the second device supports beam correspondence to form a transmit beam corresponding to a first receive beam identified by RCI. For example, the communication management circuitry 1044 can be configured to implement the following regarding... Figure 14 One or more functions are described, including, for example, box 1416.

[0157] In some aspects, the communication management circuitry 1044 can be configured for various functions, including, for example, receiving transmissions from a second device using a first receive space configuration of the first device, the first receive space configuration corresponding to the transmit beam of the second device. For example, the communication management circuitry 1044 can be configured to implement the following regarding... Figure 14 One or more functions are described, including, for example, box 1418.

[0158] In some aspects of this disclosure, processor 1004 may include a time slot indication circuitry system 1046 configured for various functions, including, for example, transmitting to a second device a time slot indication of one or more future time slots available for communication by a first receive space configuration indicated by RCI. For example, time slot indication circuitry system 1046 may be configured to implement the following regarding... Figure 12A-12B One or more functions are described, including, for example, box 1210.

[0159] In some aspects, the time slot indication circuitry system 1046 can be configured for various functions, including, for example, transmitting to one or more other devices a time slot indication for one or more future time slots available for communication by the first device using a first receive space configuration indicated by RCI. For example, the time slot indication circuitry system 1046 can be configured to implement the following regarding... Figure 12A-12B One or more functions are described, including, for example, box 1252.

[0160] In some aspects, the time slot indication circuitry system 1046 can be configured for various functions, including, for example, transmitting a time slot indication for one or more future time slots available for communication by a first device using a second receive spatial configuration having a beam correspondence with the second TCI of the first device. For example, the time slot indication circuitry system 1046 can be configured to implement the following regarding... Figure 12A-12B One or more functions are described, including, for example, box 1258.

[0161] In some aspects, the time slot indication circuitry 1046 can be configured for various functions, including, for example, receiving from the second device a time slot indication for one or more future time slots available for the second device to use for reception from the first device via at least one of a first receive space configuration indicated by RCI. For example, the time slot indication circuitry 1046 can be configured to implement the following regarding... Figure 13-14 One or more functions are described, including, for example, boxes 1306 and 1408.

[0162] Processor 1004 is responsible for managing bus 1002 and general processing, including the execution of software stored on computer-readable storage medium 1006. When executed by processor 1004, the software causes processing system 1014 to perform various functions described below for any particular device. Computer-readable storage medium 1006 and memory 1005 can also be used to store data manipulated by processor 1004 during software execution.

[0163] One or more processors 1004 in the processing system can execute software. Software should be broadly interpreted as instructions, instruction sets, code, code segments, program code, programs, subroutines, software modules, applications, software applications, software packages, routines, subroutines, objects, executables, threads of execution, procedures, functions, etc., whether referred to as software, firmware, middleware, microcode, hardware description languages, or other terms. Software may reside on a computer-readable storage medium 1006. The computer-readable storage medium 1006 may be a non-transitory computer-readable medium. As examples, non-transient computer-readable media include magnetic storage devices (e.g., hard disks, floppy disks, magnetic tapes), optical discs (e.g., compact discs (CDs) or digital multi-purpose discs (DVDs)), smart cards, flash memory devices (e.g., cards, sticks, or key drives), random access memory (RAM), read-only memory (ROM), programmable ROM (PROM), erasable PROM (EPROM), electrically erasable PROM (EEPROM), registers, removable disks, and any other suitable media for storing software and / or instructions that can be accessed and read by a computer. Computer-readable storage medium 1006 may reside in processing system 1014, be external to processing system 1014, or be distributed across multiple entities including processing system 1014. Computer-readable storage medium 1006 may be implemented in a computer program product. As an example, a computer program product may include a computer-readable medium in packaging material. Those skilled in the art will recognize how the functionality described throughout this disclosure is best implemented depending on the specific application and the overall design constraints imposed on the system as a whole.

[0164] In some aspects of this disclosure, the computer-readable storage medium 1006 may include space configuration software / instructions 1050 configured for various functions, including, for example, configuring a first device to receive signals from a second device using a first receive space configuration of the first device, the first receive space configuration corresponding to a first transmit space configuration of the second device. For example, the space configuration software / instructions 1050 may be configured to implement the following regarding... Figure 11-1 2 describes one or more functions, including, for example, boxes 1102 and 1204.

[0165] In some aspects, the space configuration software / instructions 1050 can be configured for various functions, including, for example, receiving a first transmit configuration indicator (TCI) from a second device that indicates a first transmit space configuration of the second device. For example, the space configuration software / instructions 1050 can be configured to implement the following regarding... Figure 12A-12B One or more functions are described, including, for example, box 1202.

[0166] In some respects, the space configuration software / instructions 1050 can be configured for various functions, including, for example, transmitting signals to a second device using a first transmit space configuration of the first device. For example, the space configuration software / instructions 1050 can be configured to implement the following regarding... Figure 13-14 One or more functions are described, including, for example, boxes 1302 and 1404.

[0167] In some aspects, the space configuration software / instructions 1050 can be configured for various functions, including, for example, transmitting a first transmit configuration indicator (TCI) to a second device, indicating a first transmit space configuration of the first device. For example, the space configuration software / instructions 1050 can be configured to implement the following regarding... Figure 14 One or more functions are described, including, for example, box 1402.

[0168] In some aspects of this disclosure, the computer-readable storage medium 1006 may include RCI management software / instructions 1052 configured for various functions, including, for example, configuring a first device to receive signals from a second device using a first receive space configuration of the first device, the first receive space configuration corresponding to a first transmit space configuration of the second device. For example, the RCI management software / instructions 1052 may be configured to implement the following regarding... Figure 11-1 2 describes one or more functions, including, for example, boxes 1104 and 1206.

[0169] In some aspects, the RCI management software / instruction 1052 can be configured for various functions, including, for example, receiving a receive configuration indication (RCI) from a second device for indicating a first receive space configuration of the second device, the first receive space configuration corresponding to a first transmit space configuration of the first device. For example, the RCI management software / instruction 1052 can be configured to implement the following regarding... Figure 13-14 One or more functions are described, including, for example, boxes 1304 and 1406.

[0170] In some aspects of this disclosure, the computer-readable storage medium 1006 may include communication management software / instructions 1054, which is configured for various functions, including, for example, transmitting RCI to a second device. For example, the communication management software / instructions 1054 may be configured to implement the following regarding... Figure 11-1 2 describes one or more functions, including, for example, boxes 1106 and 1208.

[0171] In some aspects, the communication management software / instructions 1054 can be configured for various functions, including, for example, using a first transmit space configuration of the first device to transmit communication to a second device on one or more future time slots. For example, the communication management software / instructions 1054 can be configured to implement the following regarding... Figure 13-14One or more functions are described, including, for example, boxes 1308 and 1414.

[0172] In some respects, the communication management software / instruction 1054 can be configured for various functions, including, for example, transmitting channel quality measurements corresponding to RCI to a second device. For example, the communication management software / instruction 1054 can be configured to implement the following regarding... Figure 12A-12B One or more functions are described, including, for example, box 1212.

[0173] In some respects, the communication management software / instructions 1054 can be configured for various functions, including, for example, configuring the receiving space to receive transmissions from a second device on one or more future time slots. For example, the communication management software / instructions 1054 can be configured to implement the following regarding... Figure 12A-12B One or more functions are described, including, for example, box 1214.

[0174] In some aspects, the communication management software / instruction 1054 can be configured for various functions, including, for example, transmitting to a second device a beam correspondence indication to instruct the first device to support beam correspondence to form a transmit beam corresponding to a first receive beam identified by RCI. For example, the communication management software / instruction 1054 can be configured to implement the following regarding Figure 12A-12B One or more functions are described, including, for example, box 1216.

[0175] In some aspects, the communication management software / instruction 1054 can be configured for various functions, including, for example, configuring the reception space to receive transmissions from at least one of the one or more other devices on the one or more future time slots. For example, the communication management software / instruction 1054 can be configured to implement the following regarding... Figure 12A-12B One or more functions are described, including, for example, box 1254.

[0176] In some aspects, the communication management software / instruction 1054 can be configured for various functions, including, for example, receiving transmissions from at least one of the one or more devices on the one or more future time slots using a second receive space configuration corresponding to a second transmit space configuration indicated by a second TCI. For example, the communication management software / instruction 1054 can be configured to implement the following regarding Figure 12A-12B One or more functions are described, including, for example, box 1260.

[0177] In some respects, the communication management software / instructions 1054 can be configured for various functions, including, for example, receiving channel quality measurements corresponding to the first RCI from a second device. For example, the communication management software / instructions 1054 can be configured to implement the following regarding... Figure 14One or more functions are described, including, for example, box 1410.

[0178] In some respects, the communication management software / instruction 1054 can be configured for various functions, including, for example, determining one or more transmission parameters based on channel quality measurements. For instance, the communication management software / instruction 1054 can be configured to implement the following regarding... Figure 14 One or more functions are described, including, for example, box 1412.

[0179] In some aspects, the communication management software / instruction 1054 can be configured for various functions, including, for example, receiving from the second device a beam correspondence indication for instructing the second device to support beam correspondence to form a transmit beam corresponding to the first receive beam identified by RCI. For example, the communication management software / instruction 1054 can be configured to implement the following regarding... Figure 14 One or more functions are described, including, for example, box 1416.

[0180] In some aspects, the communication management software / instruction 1054 can be configured for various functions, including, for example, receiving transmissions from a second device using a first receive space configuration of the first device, the first receive space configuration corresponding to the transmit beam of the second device. For example, the communication management software / instruction 1054 can be configured to implement the following regarding... Figure 14 One or more functions are described, including, for example, box 1418.

[0181] In some aspects of this disclosure, the computer-readable storage medium 1006 may include time slot indication software / instructions 1056 configured for various functions, including, for example, transmitting to a second device a time slot indication of one or more future time slots available for communication by a first receive space configuration indicated by RCI. For example, the time slot indication software / instructions 1056 may be configured to implement the following regarding... Figure 12A-12B One or more functions are described, including, for example, box 1210.

[0182] In some aspects, the time slot indication circuitry 1056 can be configured for various functions, including, for example, transmitting to one or more other devices a time slot indication for one or more future time slots available for communication by a first receiving space configuration indicated by RCI. For example, the time slot indication software / instructions 1056 can be configured to implement the following regarding... Figure 12A-12B One or more functions are described, including, for example, box 1252.

[0183] In some aspects, the time slot indication circuitry 1056 can be configured for various functions, including, for example, transmitting a time slot indication for one or more future time slots available for communication by a first device using a second receive spatial configuration having a beam correspondence with the second TCI of the first device. For example, the time slot indication software / instructions 1056 can be configured to implement the following regarding... Figure 12A-12B One or more functions are described, including, for example, box 1258.

[0184] In some aspects, the time slot indication software / instruction 1056 can be configured for various functions, including, for example, receiving from the second device a time slot indication for one or more future time slots available for the second device to use for reception from the first device, each indicated by an RCI. For example, the time slot indication software / instruction 1056 can be configured to implement the following regarding... Figure 13-14 One or more functions are described, including, for example, boxes 1306 and 1408.

[0185] Figure 11 This is a flowchart illustrating an exemplary process 1100 for wireless communication according to some aspects of this disclosure. As described below, some or all of the described features may be omitted in a particular implementation within the scope of this disclosure, and some described features are not required to be used in implementing all embodiments. In some examples, process 1100 may be... Figure 10 The process 1100 is executed by the first device 1000 described in the text. In some examples, the process 1100 may be executed by any suitable device or apparatus for performing the functions or algorithms described below.

[0186] In block 1102, the first device 1000 may be configured to receive a signal from the second device using a first receive space configuration of the first device 1000, the first receive space configuration corresponding to a first transmit space configuration of the second device. For example, in combination with the above Figure 10 The spatial configuration circuit system 1040 shown and described can provide means for configuring the first device 1000 to receive signals.

[0187] In box 1104, the first device 1000 may determine a receive configuration indicator (RCI) for indicating a first receive space configuration of the first device 1000. For example, in combination with the above Figure 10 The RCI management circuitry 1042 shown and described can provide means for determining the RCI. In one aspect, the RCI may include one or more beam indices that respectively indicate one or more receive space configurations including a first receive space configuration.

[0188] In box 1106, the first device 1000 can transmit the RCI to the second device. For example, the above combination Figure 10The communication management circuit system 1044 shown and described can provide means for transmitting RCI.

[0189] In one configuration, a first device 1000 for wireless communication includes: means for configuring the first device 1000 to receive a signal from a second device using a first receive space configuration of the first device 1000, the first receive space configuration corresponding to a first transmit space configuration of the second device; means for determining a receive configuration indicator (RCI) for indicating the first receive space configuration of the first device 1000; and means for transmitting the RCI to the second device. In one aspect, the aforementioned means may be... Figure 10 The processors 1004 shown are configured to perform the functions described by the aforementioned means. Alternatively, the aforementioned means may be a circuit or any device configured to perform the functions described by the aforementioned means.

[0190] Figure 12A This is a flowchart illustrating an exemplary process 1200 for wireless communication according to some aspects of this disclosure. As described below, some or all of the described features may be omitted in a particular implementation within the scope of this disclosure, and some described features are not required to be used in implementing all embodiments. In some examples, process 1200 may be... Figure 10 The process 1200 is executed by the first device 1000 described herein. In some examples, the process 1200 may be executed by any suitable device or apparatus for performing the functions or algorithms described below.

[0191] In box 1202, on one hand, the first device 1000 can receive from the second device a first transmit configuration indicator (TCI) that indicates a first transmit space configuration of the second device. For example, in combination with the above Figure 10 The spatial configuration circuit system 1040 shown and described can provide means for receiving TCI.

[0192] In block 1204, the first device 1000 may be configured to receive signals from the second device using a first receive space configuration corresponding to a first transmit space configuration of the second device. For example, in combination with the above... Figure 10 The spatial configuration circuitry 1040 shown and described can provide means for configuring the first device 1000 to receive signals. In one aspect, the first device 1000 at block 1204 can be configured to receive signals using a first receiving spatial configuration based on a first TCI.

[0193] In box 1206, the first device 1000 may determine a receive configuration indicator (RCI) for indicating a first receive space configuration of the first device 1000. For example, in combination with the above Figure 10The RCI management circuitry 1042 shown and described can provide means for determining the RCI. In one aspect, the RCI may include one or more beam indices that respectively indicate one or more receive space configurations including a first receive space configuration.

[0194] In box 1208, the first device 1000 can transmit the RCI to the second device. For example, the above combination Figure 10 The communication management circuit system 1044 shown and described can provide means for transmitting RCI.

[0195] In box 1210, on one aspect, the first device 1000 can transmit to the second device a time slot indication for one or more future time slots available for communication by the first device 1000 using a first receive space configuration indicated by RCI. For example, the above combined Figure 10 The time slot indication circuit system 1046 shown and described can provide means for transmitting time slot indication.

[0196] In box 1212, on one hand, the first device 1000 can transmit a channel quality measurement corresponding to the RCI to the second device. For example, the above combined Figure 10 The communication management circuit system 1044 shown and described can provide means for measuring transmission channel quality. In one aspect, the channel quality measurement can be based on at least one of a reference signal received power (RSRP) value, a reference signal received quality (RSRQ) value, a channel quality indicator (CQI), or a rank indicator (RI).

[0197] In box 1214, on one hand, the first device 1000 can use a first receiving space configuration to receive transmissions from the second device on one or more future time slots. For example, the above combined Figure 10 The communication management circuitry 1044 shown and described can provide means for receiving transmissions on the one or more future time slots. In one aspect, the transmission from the second device at block 1214 can be based on one or more transmission parameters determined based on channel quality measurements.

[0198] In box 1216, on one hand, the first device 1000 may transmit to the second device a beam correspondence indication indicating that the first device 1000 supports beam correspondence to form a transmit beam corresponding to the first receive beam identified by the RCI. For example, the above combined Figure 10 The communication management circuit system 1044 shown and described can provide means for transmitting beam correspondence indication.

[0199] Figure 12B This is a flowchart illustrating an exemplary process 1250 for wireless communication according to some aspects of this disclosure. Figure 12BThe process 1250 can be obtained from Figure 12A The process 1200 continues. As described below, some or all of the described features may be omitted in a particular implementation within the scope of this disclosure, and some described features may not be required to implement all embodiments. In some examples, process 1250 may be... Figure 10 The process 1250 is executed by the first device 1000 described herein. In some examples, the process 1250 may be executed by any suitable device or apparatus for performing the functions or algorithms described below.

[0200] In box 1252, on one aspect, the first device 1000 may transmit to one or more other devices a time slot indication for one or more future time slots available for communication by the first device 1000 using a first receive space configuration indicated by the RCI. For example, the above combined Figure 10 The time slot indication circuit system 1046 shown and described can provide means for transmitting time slot indications. In one aspect, time slot indications for one or more future time slots can be transmitted at block 1252 via at least one of broadcast or multicast transmissions.

[0201] In box 1254, on one hand, the first device 1000 can be configured to receive transmissions from at least one of the one or more other devices on the one or more future time slots. For example, the above combination Figure 10 The communication management circuit system 1044 shown and described may provide means for receiving transmissions in the one or more future time slots.

[0202] In block 1256, the first device 1000 may use a second transmit space configuration of the first device 1000 to transmit sidelink communication to one or more other devices, wherein the sidelink communication includes a second transmit configuration indicator (TCI) of the first device 1000, wherein the second TCI indicates the second transmit space configuration of the first device 1000, and a beam correspondence indication for indicating that the first device 1000 is capable of beamforming to form a receive beam corresponding to the transmit beam indicated by the second TCI. For example, the above combined Figure 10 The communication management circuit system 1044 shown and described can provide means for transmitting side-link communication.

[0203] In box 1258, on one aspect, the first device 1000 can transmit a time slot indication for one or more future time slots available for communication by the first device 1000 using a second receive spatial configuration having a beam correspondence with the second TCI of the first device 1000. For example, in combination with the above Figure 10The time slot indication circuit system 1046 shown and described can provide means for transmitting time slot indications. In one aspect, time slot indications for one or more future time slots can be transmitted at block 1258 via at least one of broadcast or multicast transmissions.

[0204] In block 1260, on one aspect, the first device 1000 may use a second receive space configuration to receive transmissions from at least one of the one or more future time slots, the second receive space configuration corresponding to a second transmit space configuration indicated by a second TCI. For example, the above combined Figure 10 The communication management circuit system 1044 shown and described may provide means for receiving transmissions in the one or more future time slots.

[0205] In one configuration, a first device 1000 for wireless communication includes: means for configuring the first device 1000 to receive a signal from a second device using a first receive space configuration of the first device 1000, the first receive space configuration corresponding to a first transmit space configuration of the second device; means for determining a receive configuration indicator (RCI) for indicating the first receive space configuration of the first device 1000; and means for transmitting the RCI to the second device.

[0206] In one aspect, the first device 1000 may further include: means for receiving from the second device a first transmit configuration indicator (TCI) indicating a first transmit spatial configuration of the second device. In another aspect, the first device 1000 may further include: means for transmitting to the second device a time slot indication for one or more future time slots available for communication by the first device 1000 using the first receive spatial configuration indicated by the RCI; means for transmitting to the second device a channel quality measurement corresponding to the RCI; and means for receiving transmissions from the second device on the one or more future time slots using the first receive spatial configuration. In another aspect, the first device 1000 may further include: transmitting to the second device a beam correspondence indication indicating that the first device 1000 supports beam correspondence to form a transmit beam corresponding to the first receive beam identified by the RCI. In one aspect, the first device 1000 may further include: means for transmitting to one or more other devices a time slot indication for one or more future time slots available for communication by the first device 1000 using a first receive space configuration indicated by an RCI; and means for receiving transmissions from at least one of the one or more other devices on the one or more future time slots using the first receive space configuration. In another aspect, the first device 1000 may further include: means for transmitting sidelink communication to one or more other devices using a second transmit space configuration of the first device 1000; means for transmitting a time slot indication for one or more future time slots available for communication by the first device 1000 using a second receive space configuration having a beam correspondence with a second TCI of the first device 1000; and means for receiving transmissions from at least one of the one or more devices on the one or more future time slots using the second receive space configuration corresponding to a second transmit space configuration indicated by a second TCI.

[0207] In one respect, the aforementioned device may be Figure 10 The processors 1004 shown are configured to perform the functions described by the aforementioned means. Alternatively, the aforementioned means may be a circuit or any device configured to perform the functions described by the aforementioned means.

[0208] Of course, in the above examples, the circuit system included in processor 1004 is provided merely as an example, and other means for performing the described functions may be included within various aspects of this disclosure, including but not limited to instructions stored in computer-readable storage medium 1006, or... Figure 1-3 Described in any of 5-8 and / or 9 and utilizing, for example, the text concerning... Figure 11 And / or any other suitable equipment or apparatus for the process and / or algorithm described in 12.

[0209] Figure 13 This is a flowchart illustrating an exemplary process 1300 for wireless communication according to some aspects of this disclosure. As described below, some or all of the described features may be omitted in a particular implementation within the scope of this disclosure, and some described features are not required to be used in implementing all embodiments. In some examples, process 1300 may be... Figure 10 The process 1300 is executed by the first device 1000 described herein. In some examples, the process 1300 may be executed by any suitable device or apparatus for performing the functions or algorithms described below.

[0210] In box 1302, the first device 1000 can use a first transmit space configuration of the first device 1000 to transmit signals to the second device. For example, the above combination Figure 10 The spatial configuration circuit system 1040 shown and described can provide means for configuring the first device 1000 to transmit signals.

[0211] In block 1304, the first device 1000 can receive from the second device a receive configuration indication (RCI) for indicating a first receive space configuration of the second device, which corresponds to a first transmit space configuration of the first device 1000. For example, in combination with the above Figure 10 The RCI management circuitry system 1042 shown and described can provide means for receiving RCI. In one aspect, the RCI may include one or more beam indices that respectively indicate one or more receive space configurations including a first receive space configuration.

[0212] In block 1306, the first device 1000 can receive from the second device a time slot indication for one or more future time slots available for reception from the first device 1000 using at least one of a first receive space configuration indicated by the RCI. For example, the above combined Figure 10 The time slot indication circuit system 1046 shown and described can provide means for receiving time slot indications.

[0213] In box 1308, the first device 1000 may use its first transmit space configuration to transmit communication to the second device on one or more future time slots. For example, the above combination Figure 10 The communication management circuit system 1044 shown and described can provide means for transmitting communication over the one or more future time slots.

[0214] In one configuration, a first device 1000 for wireless communication includes: means for transmitting a signal to a second device using a first transmit space configuration of the first device 1000; means for receiving from the second device a receive configuration indication (RCI) indicating a first receive space configuration of the second device, the first receive space configuration corresponding to a first transmit space configuration of the first device 1000; means for receiving from the second device a time slot indication for one or more future time slots available for the second device to receive from the first device 1000 using at least one of the first receive space configurations respectively indicated by the RCI; and means for transmitting communication to the second device on the one or more future time slots using the first transmit space configuration of the first device 1000. In one aspect, the aforementioned means may be... Figure 10 The processors 1004 shown are configured to perform the functions described by the aforementioned means. Alternatively, the aforementioned means may be a circuit or any device configured to perform the functions described by the aforementioned means.

[0215] Figure 14 This is a flowchart illustrating an exemplary process 1400 for wireless communication according to some aspects of this disclosure. As described below, some or all of the described features may be omitted in a particular implementation within the scope of this disclosure, and some described features are not required to be used in implementing all embodiments. In some examples, process 1400 may be... Figure 10 The process 1400 is executed by the first device 1000 described herein. In some examples, the process 1400 may be executed by any suitable device or apparatus for performing the functions or algorithms described below.

[0216] In box 1402, on one hand, the first device 1000 can transmit a first transmission configuration indicator (TCI) to the second device, indicating a first transmission space configuration of the first device 1000. For example, in combination with the above Figure 10 The spatial configuration circuit system 1040 shown and described can provide means for transmitting the first TCI.

[0217] In box 1404, the first device 1000 can use a first transmit space configuration of the first device 1000 to transmit signals to the second device. For example, the above combination Figure 10 The spatial configuration circuitry 1040 shown and described can provide means for configuring the first device 1000 to transmit signals. In one aspect, the second device can be configured to receive signals using a first receiving spatial configuration of the second device based on the first TCI.

[0218] In block 1406, the first device 1000 can receive from the second device a receive configuration indication (RCI) for indicating a first receive space configuration of the second device, which corresponds to a first transmit space configuration of the first device 1000. For example, in combination with the above Figure 10 The RCI management circuitry system 1042 shown and described can provide means for receiving RCI. In one aspect, the RCI may include one or more beam indices that respectively indicate one or more receive space configurations including a first receive space configuration.

[0219] In block 1408, the first device 1000 can receive from the second device a time slot indication for one or more future time slots available for reception from the first device 1000 using at least one of a first receive space configuration indicated by the RCI. For example, the above combined Figure 10 The time slot indication circuit system 1046 shown and described can provide means for receiving time slot indications.

[0220] In box 1410, on one hand, the first device 1000 can receive a channel quality measurement corresponding to the first RCI from the second device. For example, the above combined Figure 10 The communication management circuit system 1044 shown and described can provide means for receiving channel quality measurements. In one aspect, the channel quality measurement can be based on at least one of a reference signal received power (RSRP) value, a reference signal received quality (RSRQ) value, a channel quality indicator (CQI), or a rank indicator (RI).

[0221] In box 1412, on one hand, the first device 1000 can determine one or more transmission parameters based on the channel quality measurement. For example, the above combined Figure 10 The communication management circuit system 1044 shown and described can provide means for determining one or more transmission parameters.

[0222] In box 1414, the first device 1000 may use its first transmit space configuration to transmit communication to the second device on one or more future time slots. For example, the above combination Figure 10 The communication management circuit system 1044 shown and described can provide means for transmitting communication over the one or more future time slots.

[0223] In box 1416, on one hand, the first device 1000 can receive from the second device a beam correspondence indication for indicating that the second device supports beam correspondence to form a transmit beam corresponding to the first receive beam identified by the RCI. For example, the above combined Figure 10 The communication management circuit system 1044 shown and described can provide means for receiving beam correspondence indication.

[0224] In box 1418, on one hand, the first device 1000 can use a first receiving space configuration of the first device 1000 to receive a transmission from the second device, the first receiving space configuration corresponding to the transmit beam of the second device. For example, the above combined Figure 10 The communication management circuit system 1044 shown and described can provide means for receiving transmissions.

[0225] In one configuration, a first device 1000 for wireless communication includes: means for transmitting a signal to a second device using a first transmit space configuration of the first device 1000; means for receiving from the second device a receive configuration indication (RCI) indicating a first receive space configuration of the second device, the first receive space configuration corresponding to a first transmit space configuration of the first device 1000; means for receiving from the second device a time slot indication of one or more future time slots available for the second device to receive from the first device 1000 using at least one of the first receive space configurations indicated by the RCI; and means for transmitting communication to the second device on the one or more future time slots using the first transmit space configuration of the first device 1000.

[0226] In one aspect, the first device 1000 may further include means for transmitting a first transmit configuration indicator (TCI) indicating a first transmit spatial configuration of the first device 1000 to the second device. In another aspect, the first device 1000 may further include means for receiving a channel quality measurement corresponding to the RCI from the second device; and means for determining one or more transmission parameters based on the channel quality measurement. In yet another aspect, the first device 1000 may further include means for receiving from the second device a beam correspondence indication indicating that the second device supports beam correspondence to form a transmit beam corresponding to the first receive beam identified by the RCI; and means for receiving from the second device a beam correspondence indication indicating that the second device supports beam correspondence to form a transmit beam corresponding to the first receive beam identified by the RCI.

[0227] In one respect, the aforementioned device may be Figure 10 The processors 1004 shown are configured to perform the functions described by the aforementioned means. Alternatively, the aforementioned means may be a circuit or any device configured to perform the functions described by the aforementioned means.

[0228] Of course, in the above examples, the circuit system included in processor 1004 is provided merely as an example, and other means for performing the described functions may be included within various aspects of this disclosure, including but not limited to instructions stored in computer-readable storage medium 1006, or... Figure 1-3 Described in any of 5-8 and / or 9 and utilizing, for example, the text concerning... Figure 13 And / or any other suitable equipment or apparatus for the process and / or algorithm described in 14.

[0229] The following provides an overview of several aspects of this disclosure:

[0230] Aspect 1: A method for wireless communication by a first device, comprising: configuring the first device to receive a signal from a second device using a first receive space configuration of the first device, the first receive space configuration corresponding to a first transmit space configuration of the second device; determining a first receive configuration indicator (RCI) for indicating the first receive space configuration of the first device; and transmitting the first RCI to the second device.

[0231] Aspect 2: The method of aspect 1 further includes: receiving from the second device a first transmit configuration indicator (TCI) indicating a first transmit space configuration of the second device, wherein the first device is configured to receive a signal using a first receive space configuration based on the first TCI.

[0232] Aspect 3: The method of aspect 1 or 2, wherein the first RCI includes one or more beam indices that respectively indicate one or more receiver space configurations including the first receiver space configuration.

[0233] Aspect 4: The method of any of Aspects 1-3 further includes: transmitting to the second device a time slot indication for one or more future time slots available for communication by the first device using a first receive space configuration indicated by a first RCI; and receiving a transmission from the second device on the one or more future time slots using the first receive space configuration.

[0234] Aspect 5: The method of any of Aspects 1-4 further includes: transmitting to a second device a channel quality measurement corresponding to the first RCI, wherein the transmission from the second device is based on one or more transmission parameters determined based on the channel quality measurement.

[0235] Aspect 6: The method of aspect 5, wherein the channel quality measurement is based on at least one of the following: reference signal received power (RSRP) value, reference signal received quality (RSRQ) value, channel quality indicator (CQI) or rank indicator (RI).

[0236] Aspect 7: The method of any of Aspects 1-6 further includes: transmitting to the second device a beam correspondence indication for indicating that the first device supports beam correspondence to form a transmit beam corresponding to a first receive beam identified by a first RCI.

[0237] Aspect 8: The method of any of Aspects 1-7 further includes: transmitting to one or more other devices a time slot indication for one or more future time slots available for communication by the first device using a first receive space configuration indicated by a first RCI; and receiving, using the first receive space configuration, transmissions from at least one of the one or more other devices on the one or more future time slots.

[0238] Aspect 9: The method of aspect 8, wherein the time slot indication for one or more future time slots is transmitted via at least one of broadcast transmission or multicast transmission.

[0239] Aspect 10: The method of any of Aspects 1-9 further includes: using a second transmit space configuration of the first device to transmit sidelink communication to one or more other devices, wherein the sidelink communication includes: a second transmit configuration indicator (TCI) of the first device, wherein the second TCI indicates the second transmit space configuration of the first device, and a beam correspondence indication for indicating that the first device is capable of beam correspondence to form a receive beam corresponding to the transmit beam indicated by the second TCI.

[0240] Aspect 11: The method of aspect 10 further includes: transmitting a time slot indication for one or more future time slots available for communication by a first wireless device using a second receive space configuration having a beam correspondence with a second TCI of the first device; and receiving transmissions from at least one of the one or more devices on the one or more future time slots using the second receive space configuration corresponding to the second transmit space configuration indicated by the second TCI.

[0241] Aspect 12: The method of aspect 11, wherein a time slot indication for one or more future time slots is transmitted via at least one of broadcast transmission or multicast transmission.

[0242] Aspect 13: A first device comprising: a transceiver configured to communicate with a radio access network; a memory; and a processor communicatively coupled to the transceiver and the memory, wherein the processor and the memory are configured to perform any of aspects 1 to 12.

[0243] Aspect 14: A first device configured for wireless communication, comprising at least one means for performing a method as described in any of Aspects 1 to 12.

[0244] Aspect 15: A non-transient processor-readable storage medium having instructions thereon for a first device, wherein when executed by a processing circuit, the processing circuit performs any of aspects 1 to 12.

[0245] Aspect 16: A method of wireless communication by a first device, comprising: transmitting a signal to a second device using a first transmit space configuration of the first device; receiving from the second device one or more first receive configuration indications (RCIs) for respectively indicating a first receive space configuration of the second device, the first receive space configuration corresponding to a first transmit space configuration of the first device; receiving from the second device a time slot indication for one or more future time slots available for the second device to receive from the first device using at least one of the first receive space configurations respectively indicated by the first RCIs; and transmitting communication to the second device on the one or more future time slots using the first transmit space configuration of the first device.

[0246] Aspect 17: The method of aspect 16 further includes: transmitting to the second device a first transmit configuration indicator (TCI) indicating a first transmit space configuration of the first device, wherein the second device is configured to receive a signal using a first receive space configuration of the second device based on the first TCI.

[0247] Aspect 18: The method of aspect 16 or 17, wherein the first RCI includes one or more beam indices that respectively indicate one or more receiver space configurations including the first receiver space configuration.

[0248] Aspect 19: The method of any of Aspects 16-18 further includes: receiving from a second device a channel quality measurement corresponding to the first RCI; and determining one or more transmission parameters based on the channel quality measurement, wherein the communication is transmitted based on the one or more transmission parameters.

[0249] Aspect 20: The method of aspect 19, wherein the channel quality measurement is based on at least one of a reference signal received power (RSRP) value, a reference signal received quality (RSRQ) value, a channel quality indicator (CQI) or a rank indicator (RI).

[0250] Aspect 21: The method of any of Aspects 16-20 further includes: receiving from the second device a beam correspondence indication for indicating that the second device supports beam correspondence to form a transmit beam corresponding to a first receive beam identified by a first RCI; and receiving a transmission from the second device using a first receive spatial configuration of the first device, the first receive spatial configuration corresponding to the transmit beam of the second device.

[0251] Aspect 22: A first device comprising: a transceiver configured to communicate with a radio access network; a memory; and a processor communicatively coupled to the transceiver and the memory, wherein the processor and the memory are configured to perform any of aspects 16 to 21.

[0252] Aspect 23: A first device configured for wireless communication, comprising at least one means for performing a method as described in any of aspects 16 to 21.

[0253] Aspect 24: A non-transient processor-readable storage medium having instructions thereon for a first device, wherein when executed by a processing circuit, the processing circuit performs any of aspects 16 to 21.

[0254] Several aspects of wireless communication networks have been described with reference to exemplary implementations. As will be readily apparent to those skilled in the art, the various aspects described herein can be extended to other telecommunications systems, network architectures, and communication standards.

[0255] As examples, various aspects can be implemented within other systems defined by 3GPP, such as Long Term Evolution (LTE), Evolved Packet System (EPS), Universal Mobile Telecommunications System (UMTS), and / or Global System for Mobile Communications (GSM). These aspects can also be extended to systems defined by 3GPP2 (3GPP2), such as CDMA2000 and / or Evolved Data Optimized (EV-DO). Other examples can be implemented within systems employing IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, Ultra Wideband (UWB), Bluetooth, and / or other suitable systems. The actual telecommunications standards, network architecture, and / or communication standards employed will depend on the specific application and the overall design constraints imposed on the system.

[0256] Within this disclosure, the term "exemplary" is used to mean "serving as an example, instance, or illustration." Any implementation or aspect described herein as "exemplary" is not necessarily to be construed as superior to or better than other aspects of this disclosure. Similarly, the term "aspect" does not require that all aspects of this disclosure include the features, advantages, or modes of operation discussed. The term "coupling" is used herein to refer to direct or indirect coupling between two objects. For example, if object A physically contacts object B, and object B contacts object C, then objects A and C can still be considered coupled to each other—even if they are not in direct physical contact. For example, a first object can be coupled to a second object, even if the first object never directly contacts the second object. The terms "circuit" and "circuit system" are used broadly and are intended to include both hardware implementations of electronic devices and conductors, and software implementations of information and instructions, which, when connected and configured, enable the performance of the functions described in this disclosure, without limitation on the type of electronic circuit, and which, when executed by a processor, enable the performance of the functions described in this disclosure.

[0257] Figures 1 to 14One or more of the components, steps, features, and / or functions described herein may be rearranged and / or combined into a single component, step, feature, or function, or implemented in several components, steps, or functions. Additional elements, components, steps, and / or functions may also be added without departing from the novel features disclosed herein. Figures 1 to 14 The apparatus, devices, and / or components described herein can be configured to perform one or more methods, features, or steps as described herein. The novel algorithms described herein can also be efficiently implemented in software and / or embedded in hardware.

[0258] It will be understood that the specific order or hierarchy of the steps in the disclosed methods is an explanation of an exemplary process. Based on design preferences, it will be understood that the specific order or hierarchy of the steps in these methods may be rearranged. The appended method claims present the elements of the various steps in a sample order and are not intended to be limited to the specific order or hierarchy presented, unless specifically stated herein.

[0259] The preceding description is provided to enable any person skilled in the art to practice the various aspects described herein. Various modifications to these aspects will readily be understood by those skilled in the art, and the universal principles defined herein may be applied to other aspects. Therefore, the claims are not intended to be limited to the aspects shown herein, but are to be granted the full scope consistent with the language of the claims, wherein references to the singular form of an element are not intended to mean “one and only one”—unless specifically stated otherwise—but are intended to mean “one or more.” Unless specifically stated otherwise, the term “some / a” refers to one or more. The phrase “at least one of” referring to a 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 and b; a and c; b and c; and a, b, and c. All structural and functional equivalents of the aspects described throughout this disclosure that are currently or hereafter known to a person skilled in the art are expressly incorporated herein by reference and are intended to be covered by the claims. Furthermore, nothing disclosed herein is intended to be donated to the public, whether or not such disclosure is expressly stated in the claims.

Claims

1. A method for wireless communication by a first device, comprising: The first device is configured to receive a signal from the second device using a first receive space configuration of the first device, the first receive space configuration corresponding to a first transmit space configuration of the second device; Determine a receive configuration indicator (RCI) for indicating the first receive space configuration of the first device; Transmit the RCI to the second device; The second transmit space configuration of the first device is used to transmit sidelink communication to one or more devices. The sidelink communication mentioned therein includes: The second transmit configuration indicator (TCI) of the first device, wherein the second TCI indicates the second transmit space configuration of the first device, and A beam correspondence indication used to indicate that the first device is capable of beam correspondence to form a receive beam corresponding to the transmit beam indicated by the second TCI. Transmits a time slot indication of one or more future time slots that the first device can use to communicate using a second receive spatial configuration having a beam correspondence with the second TCI of the first device; and Using the second receive space configuration to receive transmissions from at least one of the one or more devices in the one or more future time slots, the second receive space configuration corresponds to the second transmit space configuration indicated by the second TCI.

2. The method of claim 1, further comprising: Receive a first transmit configuration indicator (TCI) from the second device, which indicates the first transmit space configuration of the second device. The first device is configured to receive the signal using the first receive space configuration based on the first TCI.

3. The method of claim 1, wherein the RCI includes one or more beam indices that respectively indicate one or more receive space configurations including the first receive space configuration.

4. The method of claim 1, further comprising: Transmit to the second device a time slot indication for one or more future time slots that the first device can use to communicate using the first receive space configuration indicated by the RCI; as well as Using the first receive space configuration, receive transmissions from the second device on one or more future time slots that allow the first device to communicate using the first receive space configuration indicated by the RCI.

5. The method of claim 4, further comprising: Transmit the channel quality measurement corresponding to the RCI to the second device. The transmission from the second device is based on one or more transmission parameters determined based on the channel quality measurement.

6. The method of claim 5, wherein the channel quality measurement is based on at least one of a reference signal received power (RSRP) value, a reference signal received quality (RSRQ) value, a channel quality indicator (CQI), or a rank indicator (RI).

7. The method of claim 1, further comprising: A beam correspondence indication is transmitted to the second device to indicate that the first device supports beam correspondence to form a transmit beam corresponding to the first receive beam identified by the RCI.

8. The method of claim 1, further comprising: Transmit to one or more other devices a time slot indication for one or more future time slots that the first device can use to communicate using the first receive space configuration indicated by the RCI; as well as Using the first receive space configuration, receive transmissions from at least one of the one or more other devices on one or more future time slots that are available for the first device to communicate using the first receive space configuration indicated by the RCI.

9. The method of claim 8, wherein the time slot indication for the one or more future time slots available for communication by the first device using the first receive space configuration indicated by the RCI is transmitted via at least one of broadcast transmission or multicast transmission.

10. The method of claim 1, wherein the time slot indication for one or more future time slots is transmitted via at least one of broadcast transmission or multicast transmission.

11. A first device for wireless communication, comprising: At least one processor; A transceiver communicatively coupled to the at least one processor; as well as Memory communicatively coupled to the at least one processor The at least one processor is configured to: The first device is configured to receive a signal from the second device using a first receive space configuration of the first device, the first receive space configuration corresponding to a first transmit space configuration of the second device; Determine a receive configuration indicator (RCI) for indicating the first receive space configuration of the first device; Transmit the RCI to the second device; The second transmit space configuration of the first device is used to transmit sidelink communication to one or more devices. The sidelink communication mentioned therein includes: The second transmit configuration indicator (TCI) of the first device, wherein the second TCI indicates the second transmit space configuration of the first device, and A beam correspondence indication used to indicate that the first device is capable of beam correspondence to form a receive beam corresponding to the transmit beam indicated by the second TCI. Transmits a time slot indication of one or more future time slots that the first device can use to communicate using a second receive spatial configuration having a beam correspondence with the second TCI of the first device; and Using the second receive space configuration to receive transmissions from at least one of the one or more devices in the one or more future time slots, the second receive space configuration corresponds to the second transmit space configuration indicated by the second TCI.

12. The first device of claim 11, wherein the at least one processor is further configured to: Receive a first transmit configuration indicator (TCI) from the second device, which indicates the first transmit space configuration of the second device. The first device is configured to receive the signal using the first receive space configuration based on the first TCI.

13. The first device of claim 11, wherein the at least one processor is further configured to: Transmit to the second device a time slot indication for one or more future time slots that the first device can use to communicate using the first receive space configuration indicated by the RCI; and Using the first receive space configuration, receive transmissions from the second device on one or more future time slots that allow the first device to communicate using the first receive space configuration indicated by the RCI.

14. The first device of claim 13, wherein the at least one processor is further configured to: Transmit the channel quality measurement corresponding to the RCI to the second device. in, The transmission from the second device is based on one or more transmission parameters determined based on the channel quality measurement.

15. The first device of claim 11, wherein the at least one processor is further configured to: A beam correspondence indication is transmitted to the second device to indicate that the first device supports beam correspondence to form a transmit beam corresponding to the first receive beam identified by the RCI.

16. The first device of claim 11, wherein the at least one processor is further configured to: Transmit to one or more other devices a time slot indication for one or more future time slots that the first device can use to communicate using the first receive space configuration indicated by the RCI; and Using the first receive space configuration, receive transmissions from at least one of the one or more other devices on one or more future time slots that are available for the first device to communicate using the first receive space configuration indicated by the RCI.

17. The first device of claim 11, wherein the RCI includes one or more beam indices that respectively indicate one or more receive space configurations including the first receive space configuration.

18. The first device of claim 14, wherein the channel quality measurement is based on at least one of a reference signal received power (RSRP) value, a reference signal received quality (RSRQ) value, a channel quality indicator (CQI) or a rank indicator (RI).

19. A method for wireless communication by a second device, comprising: The first transmit space configuration of the second device is used to transmit signals to the first device; Receive a receive configuration indication (RCI) from the first device for indicating a first receive space configuration of the first device, the first receive space configuration corresponding to the first transmit space configuration of the second device; Receive from the first device a time slot indication for one or more future time slots that the first device can use to receive from the second device using the first receive space configuration indicated by the RCI; The first transmission space configuration of the second device transmits communication to the first device in one or more future time slots; Receive sidelink communication from the first device. The sidelink communication mentioned therein includes: The second transmit configuration indicator (TCI) of the first device, wherein the second TCI indicates the second transmit space configuration of the first device, and A beam correspondence indication used to indicate that the first device is capable of beam correspondence to form a receive beam corresponding to the transmit beam indicated by the second TCI. Receive from the first device a time slot indication for one or more future time slots available for communication by the first device using a second receive spatial configuration having a beam correspondence with the second TCI of the first device; and Transmissions are transmitted to the first device on one or more future time slots that allow the first device to communicate using a second receive space configuration having a beam correspondence with the second TCI of the first device, the second receive space configuration corresponding to the second transmit space configuration indicated by the second TCI.

20. The method of claim 19, further comprising: A first transmit configuration indicator (TCI) instructing the first transmit space configuration of the second device is transmitted to the first device. The first device is configured to receive the signal using the first receive space configuration of the first device based on the first TCI.

21. The method of claim 19, wherein the RCI includes one or more beam indices that respectively indicate one or more receive space configurations including the first receive space configuration.

22. The method of claim 19, further comprising: Receive channel quality measurements corresponding to the RCI from the first device; as well as One or more transmission parameters are determined based on the channel quality measurements. The communication transmitted to the first device using the first transmission space configuration of the second device on one or more future time slots is based on one or more transmission parameters.

23. The method of claim 22, wherein the channel quality measurement is based on at least one of a reference signal received power (RSRP) value, a reference signal received quality (RSRQ) value, a channel quality indicator (CQI), or a rank indicator (RI).

24. The method of claim 19, further comprising: Receive from the first device a beam correspondence indication for indicating that the first device supports beam correspondence to form a transmit beam corresponding to the first receive beam identified by the RCI.

25. A second device for wireless communication, comprising: At least one processor; A transceiver communicatively coupled to the at least one processor; as well as Memory communicatively coupled to the at least one processor The at least one processor is configured to: The first transmit space configuration of the second device is used to transmit signals to the first device; Receive a receive configuration indication (RCI) from the first device for indicating a first receive space configuration of the first device, the first receive space configuration corresponding to the first transmit space configuration of the second device; Receive from the first device a time slot indication for one or more future time slots that the first device can use to receive from the second device using the first receive space configuration indicated by the RCI; The first transmission space configuration of the second device transmits communication to the first device in one or more future time slots; Receive sidelink communication from the first device. The sidelink communication mentioned therein includes: The second transmit configuration indicator (TCI) of the first device, wherein the second TCI indicates the second transmit space configuration of the first device, and A beam correspondence indication used to indicate that the first device is capable of beam correspondence to form a receive beam corresponding to the transmit beam indicated by the second TCI. Receive from the first device a time slot indication for one or more future time slots available for communication by the first device using a second receive spatial configuration having a beam correspondence with the second TCI of the first device; and Transmissions are transmitted to the first device on one or more future time slots that allow the first device to communicate using a second receive space configuration having a beam correspondence with the second TCI of the first device, the second receive space configuration corresponding to the second transmit space configuration indicated by the second TCI.

26. The second device of claim 25, wherein the at least one processor is further configured to: A first transmit configuration indicator (TCI) instructing the first transmit space configuration of the second device is transmitted to the first device. The first device is configured to receive the signal using the first receive space configuration of the first device based on the first TCI.

27. The second device of claim 25, wherein the at least one processor is further configured to: Receive channel quality measurements corresponding to the RCI from the first device; and One or more transmission parameters are determined based on the channel quality measurements. The communication transmitted to the first device using the first transmission space configuration of the second device on one or more future time slots is based on one or more transmission parameters.

28. The second device of claim 25, wherein the at least one processor is further configured to: Receive from the first device a beam correspondence indication for indicating that the first device supports beam correspondence to form a transmit beam corresponding to the first receive beam identified by the RCI.

29. The second device of claim 25, wherein the RCI includes one or more beam indices that respectively indicate one or more receive space configurations including the first receive space configuration.

30. The second device of claim 27, wherein the channel quality measurement is based on at least one of a reference signal received power (RSRP) value, a reference signal received quality (RSRQ) value, a channel quality indicator (CQI), or a rank indicator (RI).

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