Abstract: Aspects for enabling Multiple-Input-Multiple-Output (MIMO) communications using a plurality of transmitters across at least two supported frequency bands are disclosed. The apparatus may be a user equipment (UE) that includes, for each UE-supported frequency band, a plurality of transmitters capable when configured of coherently transmitting the received information over the frequency band with information to be transmitted to a base station. The apparatus can identify MIMO coherence capability information for the supported frequency bands on a per-band and a per-band combination basis. The apparatus may determine a proposed transmission configuration based on the MIMO capability information and may report, to the base station, the proposed transmission configuration.

Abstract: This disclosure provides systems, methods, and devices for wireless communication that support configuring associations between system information of at least one downlink (DL) anchor carrier and at least one random access channel (RACH) occasion (RO) of an uplink (UL) anchor carrier for initial access in flexible multicarrier operations. System information may be transmitted by a base station to a UE over the DL anchor carrier. In aspects, the at least one DL anchor carrier may be mapped to an UL anchor carrier, or to one or more candidate UL anchor carriers from which the UE may configurably select the UL anchor carrier, for initial access operations. In aspects, the UL anchor carrier and/or the one or more candidate UL anchor carriers may be respectively associated with one or more ROs. The UE may perform initial access operations over the UL anchor carrier using the associated one or more ROs.

Abstract: The present application relates to the field of distributed storage systems, and provides a method and system for upgrading and optimizing a file-based database, and a device and a storage medium. The method comprises: issuing a node controller to each node by means of a master controller, installing and starting the node controller, and monitoring the state of the node controller in a heartbeat mode; formulating a database upgrading strategy according to a concurrent upgrading strategy of a distributed storage system; and according to the database upgrading strategy, performing online upgrading on a file-based database of each node by means of the node controller. According to the present application, online upgrading of a file-based database is achieved, and it is ensured that a normal read-write service can be provided for the outside during the database upgrading period; and a read-write service supporting both a new data structure and an old data structure is achieved, i.e.

Abstract: An apparatus, method and computer-readable media are disclosed for performing wireless communications. For example, a first network entity associated with a test equipment vendor can receive information specifying at least one of a type of machine learning model to use for a machine learning decoder, one or more parameters for the machine learning decoder, or one or more key performance indicators for the machine learning decoder. The first network entity can receive a representation of control information from a second network entity. The first network entity can further process, using the machine learning decoder configured based on the received information, the representation of the control information to generate a reconstruction of the control information.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive configuration information identifying a configuration for a switching period for a set of frequency bands associated with transmit switching, wherein the set of frequency bands includes more than two frequency bands, wherein the switching period is associated with a frequency band, of the set of frequency bands, in accordance with an association rule. The UE may transmit a set of uplink communications on the set of frequency bands in accordance with the configuration. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communication are described. In a wireless communication system, a user equipment (UE) may be capable of performing uplink transmit switching from an uplink band to a sidelink band. Additionally, the UE may support performing uplink transmissions on the uplink band, the sidelink band, or both simultaneously. The UE may receive a grant scheduling an uplink message for transmission over a set of one or more transmit ports. If the UE is unable to transmit the uplink message on the scheduled band (e.g., the uplink band) using the set of transmit ports indicated in the grant, the UE may switch a transmitter from the uplink band to the sidelink band, and the UE may transmit the uplink message using the sidelink band according to the grant.

Abstract: Wireless communications systems, apparatuses, and methods are provided. A method of wireless communication performed by a user equipment (UE) may include transmitting a first communication in a first frequency band and receiving a second communication in a second frequency band, wherein a portion of the second frequency band partially overlaps the first frequency band and the first communication is time division multiplexed with the second communication in the portion of the second frequency band that partially overlaps the first frequency band.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a testing equipment may transmit a set of test signals to a device under test (DUT) from a plurality of directions relative to the DUT; obtain, from the DUT, a set of measured multiple-input multiple-output (MIMO) sensitivity results based at least in part on the set of test signals; and determine a MIMO over the air (OTA) performance of the DUT based at least in part on a single measured MIMO sensitivity result of the set of measured MIMO sensitivity results or an average of MIMO sensitivity results, in a subset of the set of measured MIMO sensitivity results, that satisfy a threshold percentile. Numerous other aspects are provided.

Abstract: The present invention discloses a method for improving the anti-friction and anti-wear properties of substrate, and relates to the technical field of friction and wear. The method of present invention is to firstly clad alloy powder on the surface of substrate to form the cladding layer, and then perform the texturing and sulfurization treatment in sequence on the cladding layer to form a textured and ion-sulfurized cladding layer with anti-friction and anti-wear properties on the surface of substrate, so as to improve anti-friction and anti-wear properties of the substrate, and to increase efficiency as well as service life of the substrate.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit, to a network entity, an indication of a supported aggregated bandwidth for carrier aggregation associated with a frequency band combination. The UE may receive, from the network entity, a carrier aggregation configuration, associated with the frequency band combination, that is based at least in part on the supported aggregated bandwidth. Numerous other aspects are described.

Abstract: An essential oil of stems and leaves of Chuzhou chrysanthemum and its applications are provided. The essential oil is prepared by: taking and crushing fresh stems and leaves of the Chuzhou chrysanthemum by a crusher; putting the crushed stems and leaves into an extraction kettle, adding deionized water according to a ratio of 1:4 to 1:6, sealing, and connecting a cooling reflux and essential oil collection device; heating and starting counting when boiling, performing distillation extraction; then standing for cooling to room temperature, naturally layering the essential oil and water, discharging the water at a lower layer, and collecting the essential oil at an upper layer; and placing the essential oil in a brown bottle, adding anhydrous sodium sulfate to absorb water to obtain the essential oil of the stems and leaves of Chuzhou chrysanthemum.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit an indication of a set of frequency bands supported for uplink transmission switching between frequency bands, the frequency bands including one or more bandwidth parts. The UE may transmit an indication of a subset of the set of frequency bands, the subset supported for dynamic uplink transmission switching between the frequency bands. The UE may transmit one or more uplink communications via one or more frequency bands of the subset of the set of frequency bands. Numerous other aspects are described.

Abstract: Wireless communications systems and methods related to communicating control information are provided. A method of wireless communication performed by a first sidelink user equipment (UE) may include transmitting, to a second sidelink UE, a first sidelink synchronization block (S-SSB) in a scheduled S-SSB slot, performing a first listen-before-talk (LBT) procedure in an unlicensed frequency band, and transmitting, to the second sidelink UE, a second S-SSB in a slot before a next scheduled S-SSB slot based on the first LBT procedure being unsuccessful.

Abstract: An essential oil of stems and leaves of Chuzhou chrysanthemum and its applications are provided. The essential oil is prepared by: taking and crushing fresh stems and leaves of the Chuzhou chrysanthemum by a crusher; putting the crushed stems and leaves into an extraction kettle, adding deionized water according to a ratio of 1:4 to 1:6, sealing, and connecting a cooling reflux and essential oil collection device; heating and starting counting when boiling, performing distillation extraction; then standing for cooling to room temperature, naturally layering the essential oil and water, discharging the water at a lower layer, and collecting the essential oil at an upper layer; and placing the essential oil in a brown bottle, adding anhydrous sodium sulfate to absorb water to obtain the essential oil of the stems and leaves of Chuzhou chrysanthemum.

Abstract: A UE may determine a number of antenna ports associated with a frequency band that includes one or more CCs. The determined number of antenna ports may be based on a plurality of UL Tx chains for the one or more CCs/frequency band. The UE may switch from a first UL Tx chain to a second UL Tx chain, at least one of which may be associated with the one or more CCs/frequency band. The number of antenna ports may correspond to a maximum number of antenna ports of an individual CC of the one or more CCs, or to a sum of antenna ports of the one or more CCs. For the latter, the number of antenna ports may be limited to an available number of UE antenna ports when the sum of antenna ports is greater than the available number of UE antenna ports.

Abstract: Methods, systems, and devices for wireless communication are described. A device may transmit first control signaling indicating a capability for switching between carriers of a group of carriers during uplink communications using carrier aggregation. The group of carriers include three or more carriers that are each associated with different radio frequency bands. The device may receive second control signaling that includes an indication for the device to switch to a subset of carriers of the group of carriers for transmission of an uplink message. The subset of carriers may be associated with a combination of radio frequency bands. The device may transmit the uplink message on at least one of the subset of carriers in accordance with a mapping between the combination of radio frequency bands and the at least one of the subset of carriers, where the mapping is based on the capability.

Abstract: Various aspects include methods for supporting Enhancement for Television (ENTV) service delivery to a user equipment (UE) in a fifth generation new radio (5G-NR) radio access network (RAN). Various aspects may include generating an ENTV capability message, the ENTV capability message indicating one or more ENTV parameters of the UE, and sending the ENTV capability message to a Next Generation NodeB (gNB) of the 5G-NR RAN. Various aspects may include receiving a ENTV capability message from the UE, the ENTV capability message indicating one or more ENTV parameters of the UE, determining one or more radio resource configurations for the UE based at least in part on the one or more ENTV parameters of the UE, and generating a configuration message indicating the one or more radio resource configurations for the UE, and sending the configuration message to the UE.

Abstract: Embodiments include methods of testing wireless devices for beam forming performance. Various aspects may include determining measurements of communication performance of the wireless device at each of a number of different angular orientations of the wireless device with respect to an antenna within a test chamber, and determining whether the wireless device satisfies beam forming performance requirements by comparing the measurements of communication performance to pass/fail criteria. Further embodiments may include a wireless device testing apparatus configured to perform testing wireless devices for beam forming performance. In some embodiments, a wireless device testing apparatus may include a test chamber, an antenna within the test chamber, a rotatable positioning system within the test chamber configured to hold a wireless device and rotate the wireless device within a range of orientations with respect to the antenna, and a computing device coupled to the antenna and the rotatable positioning system.

Abstract: Methods, systems, and devices for wireless communications are described. Random access channel (RACH) occasions may be scheduled on each component carrier (CC) of a carrier aggregation (CA) configuration that includes both a time division duplexing (TDD) TD Raid band and at least one frequency division duplexing (FDD) band based on a synchronization signal/physical broadcast channel block (SSB) received in the TDD band. In some cases, the TDD band may be used to configure the RACH occasions in same and/or different CCs. Additionally or alternatively, the FDD band may configure the RACH occasions on its uplink CC based on SSBs received on other CCs. Additionally, the RACH occasions may be configured such that the UE avoids unavailable uplink slots when transmitting a first RACH message in a RACH occasion.