Preempts the symbol in the slot format index

Abstract

Various aspects of the present disclosure generally relate to wireless communications. In some aspects, a user equipment may: determine to avoid one or more slot format indices (SFIs) associated with a configuration set for a set of symbols for communication via a component carrier; and transmit a request to avoid the one or more SFIs. Numerous other aspects are provided.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This patent application claims priority to U.S. Provisional Patent Application No. 63 / 000,888, filed on March 27, 2020, entitled “PREEMPTION OF SYMBOLS IN A SLOT FORMAT INDEX,” and U.S. Non-Provisional Patent Application No. 17 / 193,972, filed on March 5, 2021, entitled “PREEMPTION OF SYMBOLS IN A SLOT FORMAT INDEX,” which are hereby expressly incorporated herein by reference.

[0003] Public domain

[0004] Aspects of the present disclosure generally relate to wireless communications and techniques and devices for preempting symbols in a slot format index.

[0005] background

[0006] Wireless communication systems are widely deployed to provide various telecommunication services such as telephony, video, data, messaging, and broadcasting. Typical wireless communication systems may employ multiple access technologies that can support communication with multiple users by sharing available system resources (e.g., bandwidth, transmit power, etc.). Examples of such multiple access technologies include code division multiple access (CDMA) systems, time division multiple access (TDMA) systems, frequency division multiple access (FDMA) systems, orthogonal frequency division multiple access (OFDMA) systems, single carrier frequency division multiple access (SC-FDMA) systems, time division synchronous code division multiple access (TD-SCDMA) systems, and long term evolution (LTE). LTE / LTE-Advanced is a set of enhancements to the Universal Mobile Telecommunications System (UMTS) mobile standard promulgated by the Third Generation Partnership Project (3GPP).

[0007] A wireless network may include several base stations (BSs) that can support communications for several user equipments (UEs). A UE may communicate with a BS via a downlink and an uplink. A "downlink" (or "forward link") refers to a communication link from a BS to a UE, while an "uplink" (or "reverse link") refers to a communication link from a UE to a BS. As will be described in more detail herein, a BS may be referred to as a Node B, a gNB, an Access Point (AP), a Radio Head, a Transmit Receiving Point (TRP), a New Radio (NR) BS, a 5G Node B, and the like.

[0008] The above multiple access technologies have been adopted in various telecommunication standards to provide a common protocol that enables different user equipment to communicate at the city, country, region, and even global level. NR (which may also be referred to as 5G) is an enhancement set to the LTE mobile standard promulgated by 3GPP. NR is designed to better support mobile broadband Internet access by using orthogonal frequency division multiplexing (OFDM) (CP-OFDM) with cyclic prefix (CP) on the downlink (DL), using CP-OFDM and / or SC-FDM (e.g., also known as discrete Fourier transform spread OFDM (DFT-s-OFDM)) on the uplink (UL), and supporting beamforming, multiple input multiple output (MIMO) antenna technology and carrier aggregation to improve spectrum efficiency, reduce costs, improve services, utilize new spectrum, and better integrate with other open standards. As the demand for mobile broadband access continues to grow, further improvements to LTE, NR and other radio access technologies are still useful.

[0009] Overview

[0010] In some aspects, a method of performing wireless communications by a UE may include determining one or more slot format indices (SFIs) associated with a configuration set for a set of symbols to avoid for communications via a component carrier; and transmitting a request to avoid the one or more SFIs.

[0011] In some aspects, a UE for wireless communication may include a memory and one or more processors operatively coupled to the memory. The memory and the one or more processors may be configured to: determine one or more SFIs associated with a configuration set for a set of symbols to avoid for communication via a component carrier; and transmit a request to avoid the one or more SFIs.

[0012] In some aspects, a non-transitory computer-readable medium may store one or more instructions for wireless communication. The one or more instructions, when executed by one or more processors of a UE, may cause the one or more processors to perform the following operations: determining one or more SFIs associated with a configuration set for a set of symbols to avoid for communication via a component carrier; and transmitting a request to avoid the one or more SFIs.

[0013]

[0011] In some aspects, an apparatus for wireless communications may include means for determining one or more SFIs associated with a configuration set for a set of symbols to avoid for communications via a component carrier and means for transmitting a request to avoid the one or more SFIs.

[0014] Aspects generally include methods, apparatus, systems, computer program products, non-transitory computer-readable media, user equipment, base stations, wireless communication devices, and / or processing systems as substantially described herein with reference to and as illustrated in the accompanying figures and specification.

[0015] The foregoing has broadly outlined the features and technical advantages of examples according to the present disclosure in an effort to make the following detailed description better understood. Additional features and advantages will be described hereinafter. The disclosed concepts and specific examples can be easily used as a basis for modifying or designing other structures for implementing the same purpose as the present disclosure. Such equivalent constructions do not depart from the scope of the appended claims. The characteristics of the concepts disclosed herein, both in terms of their organization and method of operation, and the associated advantages will be better understood by considering the following description in conjunction with the accompanying drawings. Each of the accompanying drawings is provided for the purpose of illustration and description and is not intended to define limitations on the claims.

[0016] Although various aspects are described in the present disclosure by explaining some examples, it will be understood by those skilled in the art that such aspects can be implemented in many different arrangements and scenarios. The technology described herein can be implemented using different platform types, devices, systems, shapes, sizes and / or packaging arrangements. For example, some aspects can be implemented via integrated chip embodiments or other devices based on non-module components (e.g., end-user devices, vehicles, communication equipment, computing equipment, industrial equipment, retail / shopping equipment, medical equipment, or devices that enable artificial intelligence). Various aspects can be implemented in chip-level components, module components, non-module components, non-chip-level components, device-level components, or system-level components. The equipment incorporating the various aspects and features described may include additional components and features for implementing and practicing the various aspects claimed and described. For example, the transmission and reception of wireless signals may include several components for analog and digital purposes (e.g., hardware components, including antennas, RF chains, power amplifiers, modulators, buffers, (all) processors, interleavers, adders, or summers). The various aspects described herein are intended to be practiced in various devices, components, systems, distributed arrangements, or end-user devices of various sizes, shapes, and configurations. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to understand the above-stated features of the present disclosure in detail, the above briefly summarized content may be described in more detail with reference to various aspects, some of which are illustrated in the accompanying drawings. However, it should be noted that the accompanying drawings only illustrate certain typical aspects of the present disclosure and should not be considered to limit its scope, as the description may allow for other equally effective aspects. The same reference numerals in different drawings may identify the same or similar elements.

[0019] Figure 1is a diagram illustrating an example of a wireless network according to the present disclosure.

[0020] Figure 2 is a diagram illustrating an example in which a base station and a UE are in communication in a wireless network according to the present disclosure.

[0021] Figure 3 is a diagram illustrating an example of performing beam training using a frequency band set and a base station set according to the present disclosure.

[0022] Figure 4 is a diagram illustrating an example of communicating with a set of base stations using a set of frequency bands according to the present disclosure.

[0023] Figure 5 is a diagram illustrating an example of preempting symbols in a slot format index according to the present disclosure.

[0024] Figure 6 is a diagram illustrating an example process performed, for example, by user equipment according to the present disclosure.

[0025] Detailed Description

[0026] The various aspects of the present disclosure are described more fully below with reference to the accompanying drawings. However, the present disclosure can be implemented in many different forms and should not be interpreted as being limited to any specific structure or function given throughout the present disclosure. On the contrary, these aspects are provided to make the present disclosure thorough and complete, and it will fully convey the scope of the present disclosure to those skilled in the art. Based on the teachings of this article, those skilled in the art will appreciate that the scope of the present disclosure is intended to cover any aspect of the present disclosure disclosed herein, whether it is implemented independently or in combination with any other aspect of the present disclosure. For example, any number of aspects set forth herein can be used to implement a device or practice method. In addition, the scope of the present disclosure is intended to cover such devices or methods practiced using supplements or other other structures, functionality, or structures and functionality as the various aspects of the present disclosure set forth herein. It should be understood that any aspect of the present disclosure disclosed herein can be implemented by one or more elements of the claims.

[0027] Several aspects of telecommunication systems will now be presented with reference to various devices and techniques. These devices and techniques will be described in the following detailed description and illustrated in the accompanying drawings by various blocks, modules, components, circuits, steps, processes, algorithms, etc. (collectively referred to as "elements"). These elements can be implemented using hardware, software, or a combination thereof. Whether such elements are implemented as hardware or software depends on the specific application and the design constraints imposed on the overall system.

[0028] It should be noted that while various aspects may be described herein using terminology generally associated with 5G or NR radio access technologies (RATs), various aspects of the present disclosure may be applied to other RATs, such as 3G RATs, 4G RATs, and / or RATs after 5G (e.g., 6G).

[0029] Figure 1 1 is a diagram illustrating an example of a wireless network 100 according to the present disclosure. The wireless network 100 may be a 5G (NR) network and / or an LTE network, etc. or may include elements thereof. The wireless network 100 may include several base stations 110 (shown as BS110a, BS 110b, BS 110c, and BS 110d) and other network entities. A base station (BS) is an entity that communicates with a user equipment (UE) and may also be referred to as an NR BS, a B node, a gNB, a 5G B node (NB), an access point, a transmit receive point (TRP), etc. Each BS may provide communication coverage for a specific geographic area. In 3GPP, the term "cell" may refer to a coverage area of ​​a BS and / or a BS subsystem serving the coverage area, depending on the context in which the term is used.

[0030] A BS may provide communication coverage for a macro cell, a pico cell, a femto cell, and / or another type of cell. A macro cell may cover a relatively large geographic area (e.g., several kilometers in radius) and may allow unrestricted access by UEs with service subscriptions. A pico cell may cover a relatively small geographic area and may allow unrestricted access by UEs with service subscriptions. A femto cell may cover a relatively small geographic area (e.g., a residence) and may allow restricted access by UEs associated with the femto cell (e.g., UEs in a closed subscriber group (CSG)). A BS for a macro cell may be referred to as a macro BS. A BS for a pico cell may be referred to as a pico BS. A BS for a femto cell may be referred to as a femto BS or a home BS. In Figure 1 , BS 110a may be a macro BS for macro cell 102a, BS 110b may be a pico BS for pico cell 102b, and BS 110c may be a femto BS for femto cell 102c. The BS may support one or more (e.g., three) cells. The terms “eNB,” “base station,” “NR BS,” “gNB,” “TRP,” “AP,” “Node B,” “5G NB,” and “cell” may be used interchangeably herein.

[0031] In some aspects, the cell may not necessarily be stationary, and the geographic area of ​​the cell may move depending on the location of the mobile BS. In some aspects, the BSs may be interconnected to each other and / or to one or more other BSs or network nodes (not shown) in the wireless network 100 via various types of backhaul interfaces, such as direct physical connections or virtual networks, using any suitable transport network.

[0032] The wireless network 100 may also include a relay station. A relay station is an entity that can receive transmissions of data from an upstream station (e.g., a BS or a UE) and send transmissions of the data to a downstream station (e.g., a UE or a BS). A relay station may also be a UE that can relay transmissions for other UEs. Figure 1 In the example shown in , relay BS 110d may communicate with macro BS 110a and UE 120d to facilitate communication between BS 110a and UE 120d. A relay BS may also be referred to as a relay station, relay base station, relay, or the like.

[0033] The wireless network 100 may be a heterogeneous network including different types of BSs, such as a macro BS, a pico BS, a femto BS, a relay BS, etc. These different types of BSs may have different transmit power levels, different coverage areas, and different effects on interference in the wireless network 100. For example, a macro BS may have a high transmit power level (e.g., 5 to 40 watts), while a pico BS, a femto BS, and a relay BS may have a lower transmit power level (e.g., 0.1 to 2 watts).

[0034] A network controller 130 may be coupled to a set of BSs and may provide coordination and control of these BSs. The network controller 130 may communicate with each BS via a backhaul. The BSs may also communicate with each other directly or indirectly via a wireless or wired backhaul.

[0035] UEs 120 (e.g., 120a, 120b, 120c) may be dispersed throughout the wireless network 100, and each UE may be stationary or mobile. UEs may also be referred to as access terminals, terminals, mobile stations, subscriber units, stations, etc. A UE may be a cellular phone (e.g., a smart phone), a personal digital assistant (PDA), a wireless modem, a wireless communication device, a handheld device, a laptop computer, a cordless phone, a wireless local loop (WLL) station, a tablet, a camera, a gaming device, a netbook, a smartbook, an ultrabook, a medical device or equipment, a biometric sensor / device, a wearable device (smart watch, smart clothing, smart glasses, smart wristband, smart jewelry (e.g., smart ring, smart bracelet)), an entertainment device (e.g., a music or video device, or a satellite radio), a vehicle component or sensor, a smart meter / sensor, an industrial manufacturing equipment, a global positioning system device, or any other suitable device configured to communicate via a wireless or wired medium.

[0036] Some UEs may be considered as machine type communication (MTC) devices, or evolved or enhanced machine type communication (eMTC) UEs. MTC and eMTC UEs include, for example, robots, drones, remote devices, sensors, meters, monitors, and / or location tags, which may communicate with a base station, another device (e.g., a remote device), or some other entity. A wireless node may provide connectivity to or to a network (e.g., a wide area network, such as the Internet or a cellular network) via, for example, a wired or wireless communication link. Some UEs may be considered as Internet of Things (IoT) devices, and / or may be implemented as NB-IoT (narrowband Internet of Things) devices. Some UEs may be considered as client equipment (CPE). UE 120 may be included inside a housing that houses components of UE 120, such as a processor component and / or a memory component. In some aspects, a processor component and a memory component may be coupled together. For example, a processor component (e.g., one or more processors) and a memory component (e.g., a memory) may be operationally coupled, communicatively coupled, electronically coupled, and / or electrically coupled.

[0037] In general, any number of wireless networks may be deployed in a given geographic area. Each wireless network may support a specific RAT and may operate on one or more frequencies. RAT may also be referred to as radio technology, air interface, etc. Frequency may also be referred to as carrier, frequency channel, etc. Each frequency may support a single RAT in a given geographic area to avoid interference between wireless networks of different RATs. In some cases, NR or 5G RAT networks may be deployed.

[0038] In some aspects, two or more UEs 120 (e.g., shown as UE 120a and UE 120e) may communicate directly (e.g., without using base station 110 as an intermediary to communicate with each other) using one or more side link channels. For example, UE 120 may communicate using peer-to-peer (P2P) communication, device-to-device (D2D) communication, vehicle-to-everything (V2X) protocols (e.g., which may include vehicle-to-vehicle (V2V) protocols or vehicle-to-infrastructure (V2I) protocols), and / or mesh networks. In this case, UE 120 may perform scheduling operations, resource selection operations, and / or other operations described elsewhere herein as being performed by base station 110.

[0039] The devices of the wireless network 100 can communicate using an electromagnetic spectrum, which can be subdivided into various categories, frequency bands, channels, etc. based on frequency or wavelength. For example, the devices of the wireless network 100 can communicate using an operating band having a first frequency range (FR1) and / or can communicate using an operating band having a second frequency range (FR2), the first frequency range (FR1) can span 410 MHz to 7.125 GHz, and the second frequency range (FR2) can span 24.25 GHz to 52.6 GHz. Frequencies between FR1 and FR2 are sometimes referred to as mid-band frequencies. Although a portion of FR1 is greater than 6 GHz, FR1 is often referred to as a "sub-6 GHz" band. Similarly, FR2 is often referred to as a "millimeter wave" band, although it is different from the extremely high frequency (EHF) band (30 GHz–300 GHz) identified as a "millimeter wave" band by the International Telecommunication Union (ITU). Therefore, unless otherwise specifically stated, it should be understood that the terms "sub-6 GHz" and the like, if used herein, may broadly refer to frequencies less than 6 GHz, frequencies within FR1, and / or mid-band frequencies (e.g., greater than 7.125 GHz). Similarly, unless otherwise specifically stated, it should be understood that the terms "millimeter wave" and the like, if used herein, may broadly refer to frequencies within the EHF band, frequencies within FR2, and / or mid-band frequencies (e.g., less than 24.25 GHz). It is contemplated that the frequencies included in FR1 and FR2 may be modified, and the techniques described herein are applicable to those modified frequency ranges.

[0040] As indicated above, Figure 1 are provided as examples. Other examples may differ from those described in Figure 1 Examples described.

[0041] Figure 2is a diagram illustrating an example 200 of a base station 110 and a UE 120 in communication in a wireless network 100 according to the present disclosure. The base station 110 may be equipped with T antennas 234a through 234t, and the UE 120 may be equipped with R antennas 252a through 252r, where in general T≥1 and R≥1.

[0042] At the base station 110, the transmit processor 220 may receive data for one or more UEs from the data source 212, select one or more modulation and coding schemes (MCS) for each UE based at least in part on a channel quality indicator (CQI) received from the UE, process (e.g., encode and modulate) the data for the UE based at least in part on the MCS selected for each UE, and provide data symbols for all UEs. The transmit processor 220 may also process system information (e.g., for semi-static resource partitioning information (SRPI)) and control information (e.g., CQI requests, grants, and / or upper layer signaling), and provide overhead symbols and control symbols. The transmit processor 220 may also generate reference symbols for reference signals (e.g., cell-specific reference signals (CRS) or demodulation reference signals (DMRS)) and synchronization signals (e.g., primary synchronization signals (PSS) or secondary synchronization signals (SSS)). A transmit (TX) multiple-input multiple-output (MIMO) processor 230 may perform spatial processing (e.g., precoding) on ​​data symbols, control symbols, overhead symbols, and / or reference symbols, where applicable, and may provide T output symbol streams to T modulators (MODs) 232a through 232t. Each modulator 232 may process a respective output symbol stream (e.g., for OFDM) to obtain an output sample stream. Each modulator 232 may further process (e.g., convert to analog, amplify, filter, and upconvert) the output sample stream to obtain a downlink signal. The T downlink signals from modulators 232a through 232t may be transmitted via T antennas 234a through 234t, respectively.

[0043] At UE 120, antennas 252a to 252r may receive downlink signals from base station 110 and / or other base stations and may provide received signals to demodulators (DEMODs) 254a to 254r, respectively. Each demodulator 254 may condition (e.g., filter, amplify, downconvert, and digitize) the received signal to obtain input samples. Each demodulator 254 may further process the input samples (e.g., for OFDM) to obtain received symbols. A MIMO detector 256 may obtain received symbols from all R demodulators 254a to 254r, perform MIMO detection on the received symbols where applicable, and provide detected symbols. A receive processor 258 may process (e.g., demodulate and decode) the detected symbols, provide decoded data for UE 120 to a data receiver 260, and provide decoded control information and system information to a controller / processor 280. The term "controller / processor" may refer to one or more controllers, one or more processors, or a combination thereof. The channel processor may determine a reference signal received power (RSRP) parameter, a received signal strength indicator (RSSI) parameter, a reference signal received quality (RSRQ) parameter, and / or a channel quality indicator (CQI) parameter, etc. In some aspects, one or more components of UE 120 may be included in a housing.

[0044] The network controller 130 may include a communication unit 294, a controller / processor 290, and a memory 292. The network controller 130 may include, for example, one or more devices in a core network. The network controller 130 may communicate with the base station 110 via the communication unit 294.

[0045] Antennas (e.g., antennas 234a to 234t and / or antennas 252a to 252r) may include, or may be included within, one or more antenna panels, antenna groups, antenna element sets, and / or antenna arrays, etc. Antenna panels, antenna groups, antenna element sets, and / or antenna arrays may include one or more antenna elements. Antenna panels, antenna groups, antenna element sets, and / or antenna arrays may include coplanar antenna element sets and / or non-coplanar antenna element sets. Antenna panels, antenna groups, antenna element sets, and / or antenna arrays may include antenna elements within a single housing and / or antenna elements within multiple housings. Antenna panels, antenna groups, antenna element sets, and / or antenna arrays may include antenna elements coupled to one or more transmission and / or reception components (such as Figure 2 One or more antenna elements of one or more components).

[0046] On the uplink, at the UE 120, a transmit processor 264 may receive and process data from a data source 262 and control information (e.g., for reports including RSRP, RSSI, RSRQ, and / or CQI) from a controller / processor 280. The transmit processor 264 may also generate reference symbols for one or more reference signals. The symbols from the transmit processor 264 may be precoded by a TX MIMO processor 266, where applicable, further processed by modulators 254a through 254r (e.g., for DFT-s-OFDM or CP-OFDM), and transmitted to the base station 110. In some aspects, the modulator and demodulator (e.g., MOD / DEMOD 254) of the UE 120 may be included in a modem of the UE 120. In some aspects, the UE 120 includes a transceiver. The transceiver may include any combination of antenna(s) 252, modulator and / or demodulator 254, MIMO detector 256, receive processor 258, transmit processor 264, and / or TX MIMO processor 266. The transceiver may be used by a processor (e.g., controller / processor 280) and memory 282 to perform aspects of any of the methods described herein (e.g., as described with reference to Figure 5 and Figure 6 described).

[0047] At the base station 110, uplink signals from the UE 120 and other UEs may be received by the antenna 234, processed by the demodulator 232, detected by the MIMO detector 236 where applicable, and further processed by the receive processor 238 to obtain decoded data and control information sent by the UE 120. The receive processor 238 may provide the decoded data to the data receiver 239 and the decoded control information to the controller / processor 240. The base station 110 may include a communication unit 244 and communicate with the network controller 130 via the communication unit 244. The base station 110 may include a scheduler 246 to schedule the UE 120 for downlink and / or uplink communications. In some aspects, the modulator and demodulator (e.g., MOD / DEMOD 232) of the base station 110 may be included in a modem of the base station 110. In some aspects, the base station 110 includes a transceiver. The transceiver may include any combination of antenna(s) 234, modulator and / or demodulator 232, MIMO detector 236, receive processor 238, transmit processor 220, and / or TX MIMO processor 230. The transceiver may be used by a processor (e.g., controller / processor 240) and memory 242 to perform aspects of any of the methods described herein (e.g., as described with reference to Figure 5 and Figure 6 described).

[0048] The controller / processor 240 of the base station 110, the controller / processor 280 of the UE 120, and / or Figure 2 Any other component(s) of the base station 110 may perform one or more techniques associated with preempting symbols in a slot format index (SFI), as described in greater detail elsewhere herein. For example, the controller / processor 240 of the base station 110, the controller / processor 280 of the UE 120, and / or Figure 2 Any other component of the Figure 6 The operations of process 600 and / or other processes as described herein. Memories 242 and 282 may store data and program codes for base station 110 and UE 120, respectively. In some aspects, memory 242 and / or memory 282 may include: a non-transitory computer-readable medium storing one or more instructions (e.g., code and / or program code) for wireless communication. For example, the one or more instructions, when executed (e.g., directly, or after compilation, conversion, and / or interpretation) by one or more processors of base station 110 and / or UE 120, may cause the one or more processors, UE 120, and / or base station 110 to perform or direct, for example Figure 6 In some aspects, executing instructions may include running instructions, converting instructions, compiling instructions, and / or interpreting instructions, among other things.

[0049] In some aspects, the UE includes: means for determining to avoid one or more SFIs associated with a configuration set for a set of symbols for communication via a component carrier; and / or means for transmitting a request to avoid the one or more SFIs. Means for the UE to perform operations described herein may include, for example, one or more of an antenna 252, a demodulator 254, a MIMO detector 256, a receive processor 258, a transmit processor 264, a TX MIMO processor 266, a modulator 254, a controller / processor 280, or a memory 282.

[0050] In some aspects, the UE includes means for determining that usage of the one or more SFIs has a likelihood satisfying a threshold likelihood to be associated with cross-link interference satisfying a threshold amount of cross-link interference.

[0051] In some aspects, the UE includes means for determining that use of the one or more SFIs has a likelihood satisfying a threshold likelihood of causing an uplink-downlink symbol mismatch for a set of beam pairs associated with the component carrier and an additional set of beam pairs associated with an additional component carrier.

[0052] In some aspects, the UE includes means for receiving a resource grant with an SFI for communications via the component carrier, wherein determining to avoid the one or more SFIs is based at least in part on receiving the resource grant with the SFI.

[0053] In some aspects, the UE includes means for transmitting a request to avoid the one or more SFIs before one or more base stations indicate availability of carrier aggregation of the component carrier and the additional component carrier.

[0054] In some aspects, the UE includes means for transmitting a request to avoid the one or more SFIs after carrier aggregation of the component carrier and the additional component carrier is established.

[0055] In some aspects, the UE comprises means for transmitting a request for coordination between a first base station and a second base station to avoid uplink-downlink symbol mismatch.

[0056] In some aspects, the UE includes: a device for requesting a first reference signal set for a first set of beam pairs associated with a component carrier; a device for requesting a second reference signal set for a second set of beam pairs associated with an additional component carrier; and / or a device for determining cross-link interference between one or more beams in the first set of beam pairs and one or more beams in the second set of beam pairs based at least in part on the first reference signal set and the second reference signal set.

[0057] In some aspects, the UE includes means for determining cross-link interference between one or more beams in a first set of beam pairs and one or more beams in a second set of beam pairs at a particular frequency based at least in part on the first set of reference signals and the second set of reference signals.

[0058] In some aspects, the UE includes means for reporting cross-link interference between one or more beams in a first set of beam pairs and one or more beams in a second set of beam pairs.

[0059] although Figure 2 The blocks in the 200 and 210 are illustrated as different components, but the functions described above with respect to these blocks may be implemented with a single hardware, software, or combined component or a combination of various components. For example, the functions described with respect to the transmit processor 264, the receive processor 258, and / or the TX MIMO processor 266 may be performed by or under the control of the controller / processor 280.

[0060] As indicated above, Figure 2 are provided as examples. Other examples may differ from those described in Figure 2 Examples described.

[0061] Figure 3 is a diagram illustrating an example 300 of performing beam training using a set of frequency bands and a set of base stations according to the present disclosure.

[0062] As indicated by reference numeral 310, the UE may perform beam training to identify a beam and / or module (e.g., antenna module) for communicating with a first base station via a first frequency band. For example, the UE may identify first transmission configuration indicator (TCI) states 0, 1, 2, and 3 for communicating with a first base station using a first frequency band. As shown, TCI states 0 and 3 may use module 1 of the UE, TCI state 1 may use module 2 of the UE, and TCI state 2 may use module 3 of the UE.

[0063] As indicated by reference numeral 320, the UE may perform beam training to identify a beam and / or module for communicating with a second base station via a second frequency band. For example, the UE may identify second TCI states A, B, C, and D for communicating with a second base station using a second frequency band. As shown, TCI states A and D may use module 1 of the UE, TCI state B may use module 2 of the UE, and TCI state C may use module 3 of the UE.

[0064] A first TCI state for communicating with a first base station and a second TCI state for communicating with a second base station may be related. For example, the first TCI state and the second TCI state may be related based at least in part on the first base station and the second base station being co-located and / or the first frequency band and the second frequency band being comparable to each other (e.g., both frequency bands are in the millimeter wave spectrum, the frequencies in the first frequency band are within a threshold percentage (e.g., 20%, 50%, etc.), etc.).

[0065] Based at least in part on being related, TCI State 0 and TCI State A may be similar (e.g., using the same module, using similar communication paths, pointing at similar steering angles, etc.), TCI State 1 and TCI State B may be similar, TCI State 2 and TCI State C may be similar, TCI State 3 and TCI State D may be similar, etc. Additionally or alternatively, the strongest TCI state in the first TCI states may be related to the strongest TCI state in the second TCI states.

[0066] The UE may be configured to simultaneously receive downlink transmissions via the first frequency band and via the second frequency band in TCI state 0 and TCI state A and / or transmit uplink transmissions via the first frequency band and via the second frequency band in TCI state 0 and TCI state A. However, in some instances, uplink-downlink mismatch may result in cross-link interference (e.g., self-interference from uplink transmissions to downlink transmissions).

[0067] Some networks may use dynamic time division duplexing (TDD), and may configure some UEs to receive downlink transmissions during the same symbol in which other UEs transmit uplink transmissions (e.g., uplink-downlink mismatch between UEs). For some UEs (e.g., based at least in part on UE location, UE communication path, etc.), uplink-downlink mismatch may result in increased cross-link interference.

[0068] As indicated above, Figure 3 are provided as examples. Other examples may differ from those described herein. Figure 3 Examples described.

[0069] Figure 4 is a diagram illustrating an example 400 of communicating with a set of base stations using a set of frequency bands in accordance with the present disclosure.

[0070] As in Figure 4 , and as shown by reference numeral 410, a UE may transmit an uplink transmission to a first base station using a first frequency band. For example, based at least in part on TCI state 0 being determined as the strongest TCI state for communicating via the first frequency band, the UE may transmit via the first frequency band using TCI state 0. Transmissions using TCI state 0 may travel to the first base station via a first communication path. Clutter in the local channel environment may cause transmissions using TCI state 0 to be reflected back to the UE. Reflected energy from the clutter may cause self-interference. However, because the UE is transmitting when the reflected energy arrives at the UE, self-interference may not significantly adversely affect communications via the first frequency band.

[0071] As indicated by reference numeral 420, the UE may attempt to receive a downlink transmission from the second base station using the second frequency band. For example, based at least in part on TCI state A being determined to be the strongest TCI state for communicating via the second frequency band, the UE may attempt to receive a transmission via the second frequency band using TCI state A. The transmission that the UE attempts to receive using TCI state A may travel from the second base station to the UE via a second communication path. The second communication path may be similar to the first communication path (e.g., based at least in part on the first base station being co-located with the second base station).

[0072] The UE may attempt to receive a downlink transmission from a direction similar to the direction in which the reflected energy due to clutter propagates toward the UE and / or module 1. Based at least in part on the reflected energy causing increased interference (e.g., self-interference, cross-link interference, etc.), the UE may be unable to receive (e.g., demodulate, decode, etc.) downlink transmissions via the second frequency band. In this way, the UE may fail to receive a downlink transmission based at least in part on an uplink-downlink mismatch (e.g., for one or more symbols in the SFI) from the UE communicating via another frequency band or interference from other interference. The UE and / or the base station may use computing, communication, and / or network resources to recover from a failed downlink transmission, determine that the failure is based at least in part on an uplink-downlink mismatch, and the like.

[0073] As indicated above, Figure 4 are provided as examples. Other examples may differ from those described herein. Figure 4 Examples described.

[0074] In some aspects described herein, a UE may determine to avoid one or more SFIs associated with a configuration set for a set of symbols for communication via a component carrier (e.g., for communication with a first base station via a first frequency band). In some aspects, the UE may determine to avoid the one or more SFIs based at least in part on a likelihood (e.g., a likelihood that satisfies a threshold cross-link interference amount) to be associated with cross-link interference. For example, the UE may determine the likelihood to be associated with cross-link interference based at least in part on the one or more SFIs having an uplink-downlink symbol mismatch with one or more SFIs of an additional component carrier used by the UE (e.g., when using carrier aggregation) for communication with a second base station.

[0075] The UE may transmit a request to avoid the one or more SFIs. For example, the UE may transmit the request to the first base station and / or the second base station to indicate the one or more SFIs to avoid, an indication of a preferred SFI set, etc. Based at least in part on the UE transmitting the request to avoid the one or more SFIs, the base station may avoid using the one or more SFIs, reduce the likelihood of downlink transmission failure, etc. In this way, the UE and / or the base station may save computing, communication, and / or network resources that would otherwise be used to recover from a failed downlink transmission, determine that the failure is based at least in part on an uplink-downlink mismatch, replace an existing SFI for the UE, etc.

[0076] Figure 55 is a diagram illustrating an example 500 of preempting a symbol in an SFI according to the present disclosure. As shown, a UE (e.g., UE 120) communicates with a first base station (e.g., base station 110) and a second base station using one or more of a downlink transmission and an uplink transmission. In some aspects, the UE, the first base station, and / or the second base station may be part of one or more wireless networks (e.g., wireless network 100). In some aspects, the first base station and the second base station may be co-located. In some aspects, the UE may be configured with multiple antenna modules, through which the UE may communicate with the base station.

[0077] As in Figure 5 In and as indicated by reference numerals 505 and 510, a UE may receive (e.g., from a first base station and / or a second base station) radio resource control (RRC) signaling with information to configure the UE. In some aspects, the RRC signaling and / or other signaling may indicate that the UE is to be configured to determine cross-link interference based at least in part on reference signals from multiple base stations. In some aspects, the RRC signaling and / or other signaling may indicate that the UE is to be configured to determine one or more SFIs to avoid (e.g., based at least in part on determining that cross-link interference is associated with the one or more SFIs). In some aspects, the RRC signaling and / or other signaling may indicate that the UE is to transmit a request to avoid the one or more SFIs.

[0078] As indicated by reference numeral 515, the UE may configure the UE. In some aspects, the UE may configure the UE based at least in part on RRC signaling and / or other signaling. The UE may configure the UE to determine cross-link interference based at least in part on reference signals from multiple base stations, determine one or more SFIs to avoid, transmit a request to avoid the one or more SFIs, etc.

[0079] As indicated by reference numeral 520, the UE may transmit a first request for a reference signal from a first base station. In some aspects, the UE may request a first set of reference signals (e.g., channel state information reference signals (CSI-RS)) for a first set of beam pairs associated with a first component carrier associated with the first base station. In some aspects, the first set of reference signals may be located within a frequency band of the first component carrier. In other words, the first set of reference signals may be associated with one or more bandwidth portions of the first component carrier and may be frequency specific (e.g., using a particular combination of resources across a first resource band). In some aspects, the UE may request a resource grant for the UE to transmit a reference signal (e.g., a sounding reference signal (SRS)) toward the first base station using one or more beams and / or one or more antenna modules.

[0080] As indicated by reference numeral 525, the UE may transmit a second request for a reference signal from a second base station. In some aspects, the UE may request a second set of reference signals (e.g., CSI-RS) for a second set of beam pairs associated with a second component carrier associated with the second base station. In some aspects, the second set of reference signals may be located within a frequency band of the second component carrier. In other words, the second set of reference signals may be associated with one or more bandwidth portions of the second component carrier and may be frequency specific (e.g., using a particular combination of resources across a second resource band). In some aspects, the UE may request a resource grant for the UE to transmit a reference signal (e.g., a sounding reference signal (SRS)) toward the second base station using one or more beams and / or one or more antenna modules.

[0081] As indicated by reference numeral 530, the UE may receive reference signals from the first base station. In some aspects, the UE may receive these reference signals within a frequency band of the first component carrier. In some aspects, the base station may transmit the reference signals toward the first base station using one or more beams.

[0082] As indicated by reference numeral 535, the UE may receive reference signals from the second base station. In some aspects, the UE may receive these reference signals within a frequency band of the first component carrier. In some aspects, the base station may transmit the reference signals toward the second base station using one or more beams.

[0083] As indicated by reference numeral 540, the UE may determine cross-link interference. In some aspects, the UE may determine cross-link interference between one or more beams in the first set of beam pairs and one or more beams in the second set of beam pairs. In some aspects, the cross-link interference may be based at least in part on an uplink-downlink symbol mismatch between one or more beams in the first set of beam pairs and one or more beams in the second set of beam pairs. In some aspects, the UE may determine cross-link interference between one or more beams in the first set of beam pairs and one or more beams in the second set of beam pairs at a particular frequency based at least in part on the first set of reference signals and the second set of reference signals.

[0084] As indicated by reference numerals 545 and 550, the UE may report the cross-link interference to the first base station and / or the second base station. For example, the UE may report the cross-link interference using a physical uplink control channel (PUCCH) communication, a media access control control element (MAC-CE), etc. In some aspects, the UE may report the cross-link interference together with an indication of the one or more beams in the first beam pair set and the one or more beams in the second beam pair set for which the UE determines the cross-link interference. In this way, when the SFI for the first carrier or the second carrier has an uplink-downlink symbol mismatch, the UE may indicate to the first base station and / or the second base station that certain beams in the first beam pair set may cause cross-link interference to certain beams in the second beam pair set, and / or certain beams in the second beam pair set may cause cross-link interference to certain beams in the first beam pair set.

[0085] As indicated by reference numerals 555 and 560, the UE may receive (eg, from the first base station and / or the second base station) one or more resource grants with associated SFIs. For example, the one or more resource grants may include semi-persistently scheduled resource grants, dynamic resource grants, etc.

[0086] As indicated by reference numeral 565, the UE may determine to avoid one or more SFIs associated with a configuration set for a set of symbols. In some aspects, the UE may determine to avoid a first set of SFIs in the one or more SFIs when communicating via a first component carrier using a first beam, avoid a second set of SFIs in the one or more SFIs when communicating using a second beam, and so on. In some aspects, the UE may determine to avoid a third set of SFIs in the one or more SFIs when communicating via a second component carrier using a third beam, avoid a fourth set of SFIs in the one or more SFIs when communicating using a fourth beam, and so on.

[0087] In some aspects, cross-link interference may be based at least in part on uplink-downlink symbol mismatch for a first set of beam pairs associated with a first component carrier and a second set of beam pairs associated with a second component carrier to be used for communication using carrier aggregation.

[0088] In some aspects, the UE may determine to avoid the one or more SFIs based at least in part on determining that use of the one or more SFIs has a likelihood satisfying a threshold likelihood to be associated with cross-link interference satisfying a threshold amount of cross-link interference. For example, the UE may determine the likelihood to be associated with cross-link interference based at least in part on a priori information (e.g., measurements of received and / or transmitted reference signals).

[0089] In some aspects, the UE may determine to avoid the one or more SFIs based at least in part on determining that use of the one or more SFIs has a likelihood that satisfies a threshold likelihood (e.g., satisfies a likelihood threshold) of resulting in an uplink-downlink symbol mismatch for a first set of beam pairs associated with a first component carrier and a second set of beam pairs associated with a second component carrier.

[0090] As indicated by reference numerals 570 and 575, the UE may transmit (e.g., to the first base station and / or the second base station) one or more requests to avoid the one or more SFIs. In some aspects, the UE may transmit the one or more requests via PUCCH communication, MAC CE, etc. In some aspects, the UE may transmit the one or more requests to avoid the one or more SFIs based at least in part on determining that the SFI for which the resource is granted is one of the one or more SFIs to be avoided. In some aspects, the UE may transmit the one or more requests to avoid the one or more SFIs after carrier aggregation of the first component carrier and the second component carrier is established. In some aspects, the UE may transmit the one or more requests to avoid the one or more SFIs before receiving a resource grant from the first base station and / or the second base station and / or before carrier aggregation is established.

[0091] In some aspects, the one or more requests to avoid the one or more SFIs may indicate a set of beam pairs to be used for the one or more SFIs requested to be avoided. In some aspects, the one or more requests to avoid the one or more SFIs may indicate a set of beam pairs not to be used for the one or more SFIs requested to be avoided.

[0092] In some aspects, the one or more requests to avoid the one or more SFIs may include an indication of a preferred set of SFIs for the first component carrier and / or the second component carrier, a request to configure an SFI in the preferred set of SFIs for the first component carrier and / or the second component carrier, an indication of the one or more SFIs to be avoided for the first component carrier and / or the second component carrier, or a request to avoid configuring the one or more SFIs for the first component carrier and / or the second component carrier.

[0093] In some aspects, the one or more requests to avoid the one or more SFIs may include a request for coordination between the first base station and the second base station to avoid uplink-downlink symbol mismatch. The coordination request may indicate certain beams associated with the first component carrier and certain beams of the second component carrier for which the first base station and the second base station are to coordinate to avoid uplink-downlink symbol mismatch.

[0094] As indicated by reference numerals 580 and 585, the UE may receive one or more indications of availability of carrier aggregation (e.g., from the first base station and / or the second base station). In some aspects, the UE may receive the one or more indications after transmitting the one or more requests to avoid the one or more SFIs.

[0095] In some aspects, the UE may establish carrier aggregation of the first component carrier and the second component carrier. The carrier aggregation may include contiguous or non-contiguous carrier aggregation, and / or may include intra-band or inter-band carrier aggregation.

[0096] In some aspects, the UE may receive one or more indications of SFIs for communicating with a first base station and / or a second base station. The one or more indications of the SFIs may be based at least in part on a request to avoid the one or more SFIs. For example, the UE may receive an indication of a first SFI for communicating with a first base station and a second SFI for communicating with a second base station, wherein the first SFI and the second SFI are expected to not cause interference (e.g., interference above a threshold for reception by the UE) based at least in part on the indication and / or information within the request to avoid the SFIs.

[0097] Based at least in part on the UE transmitting a request to avoid the one or more SFIs, the first base station and / or the second base station can avoid using the one or more SFIs, reduce the likelihood of downlink transmission failure, etc. In this way, the UE, the first base station, and / or the second base station can save computing, communication, and / or network resources that would otherwise be used to recover from a failed downlink transmission, determine that the failure is based at least in part on an uplink-downlink mismatch, replace an existing SFI for the UE, etc.

[0098] As indicated above, Figure 5 are provided as examples. Other examples may differ from those described herein. Figure 5 Examples described.

[0099] Figure 6 6 is a diagram illustrating an example process 600 performed, for example, by a UE in accordance with the present disclosure. Example process 600 is an example in which a UE (eg, UE 120, etc.) performs operations associated with preempting symbols in an SFI.

[0100] like Figure 6 As shown in , in some aspects, process 600 may include determining, for communication via a component carrier, one or more SFIs associated with a configuration set for a set of symbols to avoid (block 610). For example, a UE (e.g., using receive processor 258, transmit processor 264, controller / processor 280, memory 282, etc.) may determine, for communication via a component carrier, one or more SFIs associated with a configuration set for a set of symbols to avoid, as described above.

[0101] As in Figure 6 As further shown in FIG. 6 , in some aspects, process 600 may include transmitting a request to avoid the one or more SFIs (block 620). For example, the UE (e.g., using transmit processor 264, controller / processor 280, memory 282, etc.) may transmit a request to avoid the one or more SFIs, as described above.

[0102] Process 600 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in conjunction with one or more other processes described elsewhere herein.

[0103] In a first aspect, determining that the one or more SFIs are to be avoided includes determining that use of the one or more SFIs has a likelihood satisfying a threshold likelihood of being associated with a cross-link interference satisfying a threshold amount of cross-link interference.

[0104] In a second aspect, either alone or in combination with the first aspect, cross-link interference is based at least in part on uplink-downlink symbol mismatches for a set of beam pairs associated with the component carrier and an additional set of beam pairs associated with an additional component carrier to be used for communication using carrier aggregation.

[0105] In a third aspect, alone or in combination with one or more of the first and second aspects, the request to avoid the one or more SFIs indicates a set of beam pairs to be used or not to be used for the one or more SFIs requested to be avoided.

[0106] In a fourth aspect, either alone or in combination with one or more of the first to third aspects, determining that the one or more SFIs are to be avoided includes determining that use of the one or more SFIs has a likelihood that satisfies a threshold likelihood of causing an uplink-downlink symbol mismatch for a set of beam pairs associated with the component carrier and an additional set of beam pairs associated with an additional component carrier.

[0107] In a fifth aspect, either alone or in combination with one or more of the first to fourth aspects, the request to avoid the one or more SFIs comprises one or more of: an indication of a preferred SFI set for the component carrier, a request to configure an SFI in the preferred SFI set for the component carrier, an indication of the one or more SFIs to be avoided for the component carrier, or a request to avoid configuring the one or more SFIs for the component carrier.

[0108] In a sixth aspect, either alone or in combination with one or more of the first to fifth aspects, process 600 includes receiving a resource grant with an SFI for communications via the component carrier, wherein determining that the one or more SFIs are to be avoided is based at least in part on receiving the resource grant with the SFI.

[0109] In a seventh aspect, alone or in combination with one or more of the first to sixth aspects, transmitting the request to avoid the one or more SFIs is based at least in part on determining that the SFI of the resource grant is one of the one or more SFIs to avoid.

[0110] In an eighth aspect, either alone or in combination with one or more of the first to seventh aspects, transmitting the request to avoid the one or more SFIs includes transmitting the request to avoid the one or more SFIs before one or more base stations indicate the availability of carrier aggregation of the component carrier and the additional component carrier.

[0111] In a ninth aspect, alone or in combination with one or more of the first to eighth aspects, transmitting the request to avoid the one or more SFIs includes: transmitting the request to avoid the one or more SFIs after carrier aggregation of the component carrier and the additional component carrier is established.

[0112] In a tenth aspect, either alone or in combination with one or more of the first to ninth aspects, the first base station is associated with the component carrier and the second base station is associated with an additional component carrier to be used for communication using carrier aggregation, and transmitting a request to avoid the one or more SFIs includes transmitting a request for coordination between the first base station and the second base station to avoid uplink-downlink symbol mismatches.

[0113] In an eleventh aspect, alone or in combination with one or more of the first to tenth aspects, the component carrier and the additional component carrier are to be used for communication using contiguous or non-contiguous intra-band or inter-band carrier aggregation, a first base station is associated with the component carrier and a second base station is associated with the additional component carrier, and determining that the one or more SFIs are to be avoided is based at least in part on the possibility of cross-link interference between communications via the component carrier and communications via the additional component carrier.

[0114] In a twelfth aspect, alone or in combination with one or more of the first to eleventh aspects, the first base station and the second base station are co-located.

[0115] In a thirteenth aspect, either alone or in combination with one or more of the first to twelfth aspects, process 600 includes: requesting a first reference signal set for a first beam pair set associated with the component carrier; requesting a second reference signal set for a second beam pair set associated with an additional component carrier; and determining cross-link interference between one or more beams in the first beam pair set and one or more beams in the second beam pair set based at least in part on the first reference signal set and the second reference signal set.

[0116] In the fourteenth aspect, alone or in combination with one or more of the first to thirteenth aspects, the first reference signal set is located within the frequency band of the component carrier and the second reference signal set is located within the frequency band of the additional component carrier, and determining the cross-link interference between one or more beams in the first beam pair set and one or more beams in the second beam pair set includes: determining the cross-link interference between the one or more beams in the first beam pair set and the one or more beams in the second beam pair set at a specific frequency based at least in part on the first reference signal set and the second reference signal set

[0117] In a fifteenth aspect, alone or in combination with one or more of the first to fourteenth aspects, the process 600 includes reporting cross-link interference between the one or more beams in the first set of beam pairs and the one or more beams in the second set of beam pairs.

[0118] although Figure 6 An example block diagram of process 600 is shown, but in some aspects, process 600 may include Figure 6 Additional blocks, fewer blocks, different blocks, or differently arranged blocks than those depicted in the process 600. Additionally or alternatively, two or more blocks of the process 600 may be executed in parallel.

[0119] The following provides an overview of some aspects of the disclosure:

[0120] Aspect 1: A method of performing wireless communications by a user equipment (UE), comprising: determining one or more slot format indices (SFIs) associated with a configuration set for a set of codewords to avoid for communication via a component carrier; and transmitting a request to avoid the one or more SFIs.

[0121] Aspect 2: The method of aspect 1, wherein determining that the one or more SFIs are to be avoided comprises determining that use of the one or more SFIs has a likelihood satisfying a threshold likelihood of being associated with cross-link interference satisfying a threshold cross-link interference amount.

[0122] Aspect 3: A method as in Aspect 2, wherein the cross-link interference is based at least in part on uplink-downlink symbol mismatches for a set of beam pairs associated with the component carrier and an additional set of beam pairs associated with an additional component carrier to be used for communication using carrier aggregation.

[0123] Aspect 4: The method of any one of aspects 1-3, wherein the request to avoid the one or more SFIs indicates a set of beam pairs to be used or not to be used for the one or more SFIs requested to be avoided.

[0124] Aspect 5: A method as in Aspect 4, wherein determining that the one or more SFIs are to be avoided includes determining that use of the one or more SFIs has a likelihood that satisfies a threshold likelihood of causing an uplink-downlink symbol mismatch for the beam pair set associated with the component carrier and the additional beam pair set associated with the additional component carrier.

[0125] Aspect 6: A method as in any of Aspects 1-5, wherein the request to avoid the one or more SFIs comprises one or more of: an indication of a preferred SFI set for the component carrier, a request to configure an SFI in the preferred SFI set for the component carrier, an indication of the one or more SFIs to be avoided for the component carrier, or a request to avoid configuring the one or more SFIs for the component carrier.

[0126] Aspect 7: The method of any of Aspects 1-6, further comprising: receiving a resource grant with an SFI for communication via the component carrier, wherein determining to avoid the one or more SFIs is based at least in part on receiving the resource grant with the SFI.

[0127] Aspect 8: The method of aspect 7, wherein transmitting the request to avoid the one or more SFIs is based at least in part on determining that the SFI of the resource grant is one of the one or more SFIs to avoid.

[0128] Aspect 9: The method of any one of Aspects 1-8, wherein transmitting the request to avoid the one or more SFIs comprises: transmitting the request to avoid the one or more SFIs before one or more base stations indicate availability of carrier aggregation of the component carrier and the additional component carrier.

[0129] Aspect 10: The method of any one of aspects 1-9, wherein transmitting the request to avoid the one or more SFIs comprises: transmitting the request to avoid the one or more SFIs after carrier aggregation of the component carrier and the additional component carrier is established.

[0130] Aspect 11: A method as in any of Aspects 1-10, wherein the first base station is associated with the component carrier and the second base station is associated with an additional component carrier to be used for communication using carrier aggregation, and wherein transmitting the request to avoid the one or more SFIs includes: transmitting a request for coordination between the first base station and the second base station to avoid uplink-downlink codeword mismatch.

[0131] Aspect 12: A method as in any of Aspects 1-11, wherein the component carrier and the additional component carrier are to be used for communication using contiguous or non-contiguous intra-band or inter-band carrier aggregation, wherein a first base station is associated with the component carrier and a second base station is associated with the additional component carrier, and wherein determining to avoid the one or more SFIs is based at least in part on the possibility of cross-link interference between communications via the component carrier and communications via the additional component carrier.

[0132] Aspect 13: A method as in Aspect 12, wherein the first base station and the second base station are co-located.

[0133] Aspect 14: A method as in any of Aspects 1-13, further comprising: requesting a first reference signal set for a first beam pair set associated with a component carrier; requesting a second reference signal set for a second beam pair set associated with an additional component carrier; and determining cross-link interference between one or more beams in the first beam pair set and one or more beams in the second beam pair set based at least in part on the first reference signal set and the second reference signal set.

[0134] Aspect 15: A method as in Aspect 14, wherein the first reference signal set is located within the frequency band of the component carrier and the second reference signal set is located within the frequency band of the additional component carrier; and wherein determining the cross-link interference between the one or more beams in the first beam pair set and the one or more beams in the second beam pair set includes: determining the cross-link interference between the one or more beams in the first beam pair set and the one or more beams in the second beam pair set at a specific frequency based at least in part on the first reference signal set and the second reference signal set.

[0135] Aspect 16: The method of Aspect 14, further comprising: reporting cross-link interference between the one or more beams in the first beam pair set and the one or more beams in the second beam pair set.

[0136] Aspect 17: An apparatus for wireless communication at a device, comprising: a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform a method as in one or more of Aspects 1-16.

[0137] Aspect 18: A device for wireless communication, comprising a memory and one or more processors coupled to the memory, the memory and the one or more processors being configured to perform the method of one or more aspects of aspects 1-16.

[0138] Aspect 19: An apparatus for wireless communication, comprising at least one means for performing the method of one or more aspects of aspects 1-16.

[0139] Aspect 20: A non-transitory computer-readable medium storing code for wireless communication, the code comprising instructions executable by a processor to perform the method of one or more aspects of aspects 1-16.

[0140] Aspect 21: A non-transitory computer-readable medium storing an instruction set for wireless communication, the instruction set comprising one or more instructions that, when executed by one or more processors of a device, cause the device to perform the method of one or more aspects of aspects 1-16.

[0141] The foregoing disclosure provides illustration and description, but is not intended to be exhaustive or to limit the aspects to the precise forms disclosed. Modifications and variations may be made in light of the above disclosure or may be acquired by practice of the various aspects.

[0142] As used herein, the term "component" is intended to be broadly interpreted as a combination of hardware and / or hardware and software. "Software" should be broadly interpreted as meaning instructions, instruction sets, codes, code segments, program codes, programs, subroutines, software modules, applications, software applications, software packages, routines, subroutines, objects, executables, threads of execution, procedures, and / or functions, etc., whether it is described in software, firmware, middleware, microcode, hardware description language or other terms. As used herein, processor hardware, and / or a combination of hardware and software are implemented. It will be obvious that the system and / or method described herein can be implemented in different forms of hardware, and / or a combination of hardware and software. The actual dedicated control hardware or software code for implementing these systems and / or methods does not limit various aspects. Thus, the operation and behavior of these systems and / or methods are described herein without reference to specific software codes-it is understood that software and hardware can be designed to implement these systems and / or methods based at least in part on the description herein.

[0143] As used herein, satisfying a threshold may refer to a value being greater than a threshold, greater than or equal to a threshold, less than a threshold, less than or equal to a threshold, equal to a threshold, not equal to a threshold, etc., depending on the context.

[0144] Although specific feature combinations are described in the claims and / or disclosed in the specification, these combinations are not intended to limit the disclosure of various aspects. In fact, many of these features can be combined in a manner not specifically described in the claims and / or undisclosed in the specification. Although each dependent claim listed below can be directly subordinate to only one claim, the disclosure of various aspects includes that each dependent claim is combined with each other claim in this group of claims. As used herein, the phrase quoting "at least one of" a column of items refers to any combination of these items, including single members. As an example, "at least one of a, b or c" is intended to cover: a, b, c, ab, ac, bc and abc, and any combination with multiple identical elements (for example, aa, aaa, aab, aac, abb, acc, bb, bbb, bbc, cc and ccc, or any other sorting of a, b and c).

[0145] Elements, actions or instructions used herein should not be interpreted as key or necessary unless explicitly described as such. Moreover, as used herein, the articles "one" and "a" are intended to include one or more projects, and can be used interchangeably with "one or more". In addition, as used herein, the article "the" is intended to include one or more projects quoted in conjunction with the article "the", and can be used interchangeably with "one or more". In addition, as used herein, the terms "set (set)" and "group" are intended to include one or more projects (for example, a combination of related items, non-related items, or related items and non-related items), and can be used interchangeably with "one or more". In the occasion of intending to have only one project, the phrase "only one" or similar language is used. Moreover, as used herein, the terms "having", "containing", "including" etc. are intended to be open terms. In addition, the phrase "based on" is intended to mean "based at least in part on", unless otherwise explicitly stated. Furthermore, as used herein, the term "or" when used in a sequence is intended to be inclusive and may be used interchangeably with and " / or" unless expressly stated otherwise (e.g., when used in conjunction with "either of" or "only one of").

Claims

1. A method for performing wireless communication by a user equipment (UE), comprising: Determining one or more slot format indices (SFIs) associated with a configuration set for a set of symbols to avoid for communication via a component carrier, wherein determining the one or more SFIs to avoid comprises: determining that use of the one or more SFIs has a likelihood satisfying a threshold likelihood of being associated with cross-link interference satisfying a threshold amount of cross-link interference; and A request to avoid the one or more SFIs is transmitted.

2. The method of claim 1, wherein: The cross-link interference is based at least in part on uplink-downlink symbol mismatch for a set of beam pairs associated with the component carrier and an additional set of beam pairs associated with an additional component carrier to be used for communicating using carrier aggregation.

3. The method of claim 1, wherein: The request to avoid the one or more SFIs indicates a set of beam pairs to be used or not to be used for the one or more SFIs requested to be avoided.

4. The method of claim 3, wherein: Determining one or more of the SFIs to be avoided includes: Determining that usage of the one or more SFIs has a likelihood satisfying a threshold likelihood of causing an uplink-downlink symbol mismatch for the set of beam pairs associated with the component carrier and an additional set of beam pairs associated with an additional component carrier.

5. The method of claim 1, wherein: The request to avoid the one or more SFIs comprises one or more of the following: an indication of a preferred set of SFIs for said component carrier, a request to configure an SFI from said preferred set of SFIs for said component carrier, an indication of the one or more SFIs to be avoided for the component carrier, or A request to avoid using the one or more SFI configurations for the component carrier.

6. The method of claim 1, further comprising: receiving a resource grant with an SFI for communication via the component carrier, Wherein determining to avoid the one or more SFIs is based at least in part on receiving the resource grant with the SFI.

7. The method of claim 6, wherein: Transmitting the request to avoid the one or more SFIs is based at least in part on determining that the SFI of the resource grant is one of the one or more SFIs to avoid.

8. The method of claim 1, wherein: Transmitting the request to avoid the one or more SFIs comprises: The request to avoid the one or more SFIs is transmitted before one or more base stations indicate availability of carrier aggregation of the component carrier and additional component carriers.

9. The method of claim 1, wherein: The first base station is associated with the component carrier and the second base station is associated with an additional component carrier to be used for communication using carrier aggregation, and wherein transmitting the request to avoid the one or more SFIs comprises: A request is transmitted for coordination between the first base station and the second base station to avoid uplink-downlink symbol mismatch.

10. The method of claim 1, further comprising: requesting a first set of reference signals for a first set of beam pairs associated with the component carrier; requesting a second set of reference signals for a second set of beam pairs associated with an additional component carrier; as well as Cross-link interference between one or more beams in the first set of beam pairs and one or more beams in the second set of beam pairs is determined based at least in part on the first set of reference signals and the second set of reference signals.

11. The method of claim 10, wherein: The first set of reference signals is located within a frequency band of the component carrier and the second set of reference signals is located within a frequency band of the additional component carrier; and Wherein determining the cross-link interference between one or more beams in the first set of beam pairs and one or more beams in the second set of beam pairs comprises: Cross-link interference between one or more beams in the first set of beam pairs and one or more beams in the second set of beam pairs at a specific frequency is determined based at least in part on the first set of reference signals and the second set of reference signals.

12. The method of claim 10, further comprising: The cross-link interference between one or more beams in the first set of beam pairs and one or more beams in the second set of beam pairs is reported.

13. A user equipment (UE) for wireless communication, comprising: Memory; as well as one or more processors coupled to the memory, the one or more processors configured to cause the UE to: Determining one or more slot format indices (SFIs) associated with a configuration set for a set of symbols to avoid for communication via a component carrier, wherein determining the one or more SFIs to avoid comprises: determining that use of the one or more SFIs has a likelihood satisfying a threshold likelihood associated with cross-link interference satisfying a threshold amount of cross-link interference; as well as A request to avoid the one or more SFIs is transmitted.

14. The UE according to claim 13, wherein: The cross-link interference is based at least in part on uplink-downlink symbol mismatch for a set of beam pairs associated with the component carrier and an additional set of beam pairs associated with an additional component carrier to be used for communicating using carrier aggregation.

15. The UE according to claim 13, wherein: The request to avoid the one or more SFIs indicates a set of beam pairs to be used or not to be used for the one or more SFIs requested to be avoided.

16. The UE according to claim 15, wherein: In order to determine that the one or more SFIs are to be avoided, the one or more processors are configured to cause the UE to: Determining that usage of the one or more SFIs has a likelihood satisfying a threshold likelihood of causing an uplink-downlink symbol mismatch for the set of beam pairs associated with the component carrier and an additional set of beam pairs associated with an additional component carrier.

17. The UE according to claim 13, wherein: The request to avoid the one or more SFIs comprises one or more of the following: an indication of a preferred set of SFIs for said component carrier, a request to configure an SFI from said preferred set of SFIs for said component carrier, an indication of the one or more SFIs to be avoided for the component carrier, or A request to avoid using the one or more SFI configurations for the component carrier.

18. The UE according to claim 13, wherein: The one or more processors are further configured to cause the UE to: receiving a resource grant with an SFI for communication via the component carrier, Wherein determining to avoid the one or more SFIs is based at least in part on receiving the resource grant with the SFI.

19. The UE according to claim 18, wherein: Transmitting the request to avoid the one or more SFIs is based at least in part on determining that the SFI of the resource grant is one of the one or more SFIs to avoid.

20. The UE according to claim 13, wherein: To transmit the request to avoid the one or more SFIs, the one or more processors are configured to cause the UE to: The request to avoid the one or more SFIs is transmitted before one or more base stations indicate availability of carrier aggregation of the component carrier and additional component carriers.

21. The UE according to claim 13, wherein: The first base station is associated with the component carrier and the second base station is associated with an additional component carrier to be used for communication using carrier aggregation, and wherein to transmit the request to avoid the one or more SFIs, the one or more processors are configured to cause the UE to: A request is transmitted for coordination between the first base station and the second base station to avoid uplink-downlink symbol mismatch.

22. The UE according to claim 13, wherein: The one or more processors are further configured to cause the UE to: requesting a first set of reference signals for a first set of beam pairs associated with the component carrier; requesting a second set of reference signals for a second set of beam pairs associated with an additional component carrier; as well as Cross-link interference between one or more beams in the first set of beam pairs and one or more beams in the second set of beam pairs is determined based at least in part on the first set of reference signals and the second set of reference signals.

23. The UE according to claim 22, wherein: The first set of reference signals is located within a frequency band of the component carrier and the second set of reference signals is located within a frequency band of the additional component carrier; and Wherein determining the cross-link interference between one or more beams in the first set of beam pairs and one or more beams in the second set of beam pairs comprises: Cross-link interference between one or more beams in the first set of beam pairs and one or more beams in the second set of beam pairs at a specific frequency is determined based at least in part on the first set of reference signals and the second set of reference signals.

24. The UE according to claim 22, wherein: The one or more processors are further configured to cause the UE to: The cross-link interference between one or more beams in the first set of beam pairs and one or more beams in the second set of beam pairs is reported.

25. A non-transitory computer-readable medium storing an instruction set for wireless communication, the instruction set comprising: One or more instructions that, when executed by one or more processors of a user equipment (UE), cause the UE to: Determining one or more slot format indices (SFIs) associated with a configuration set for a set of symbols to avoid for communication via a component carrier, wherein determining the one or more SFIs to avoid comprises: determining that use of the one or more SFIs has a likelihood satisfying a threshold likelihood of being associated with cross-link interference satisfying a threshold amount of cross-link interference; and A request to avoid the one or more SFIs is transmitted.

26. The non-transitory computer readable medium of claim 25, wherein: The request to avoid the one or more SFIs indicates a set of beam pairs to be used or not to be used for the one or more SFIs requested to be avoided.

27. A device for wireless communication, comprising: Means for determining to avoid one or more slot format indices (SFIs) associated with a set of configurations for a set of symbols for communication via a component carrier, wherein determining to avoid the one or more SFIs comprises: determining that use of the one or more SFIs has a likelihood satisfying a threshold likelihood of being associated with cross-link interference satisfying a threshold amount of cross-link interference; and Means for transmitting a request to avoid the one or more SFIs.

28. The apparatus of claim 27, wherein: The request to avoid the one or more SFIs indicates a set of beam pairs to be used or not to be used for the one or more SFIs requested to be avoided.

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