Abstract: This application provides a communication method and a communication apparatus, relating to the field of communication technologies. In the application, a terminal device indicates, via an uplink control channel, a difference between an actual channel state of a downlink data channel and a historical channel state of the downlink data channel, enabling a network device to quickly adjust, based on the difference, a modulation and coding scheme (MCS) for downlink data channel scheduling. This helps reduce service data transmission delay and data retransmissions, thereby conserving spectrum resources.

Abstract: This application provides a communication method and a communication apparatus. The method may include: A network device sends N synchronization signals, where N is an integer greater than 1. The network device sends M PDCCHs, and a terminal device jointly receives the M PDCCHs. The M PDCCHs are used to schedule system information corresponding to the N synchronization signals or N beams, the system information corresponding to the N synchronization signals or the N beams is system information sent in a same time window, information carried on the M PDCCHs is the same, and M is an integer greater than or equal to 1. According to this application, the information carried on the M PDCCHs is the same, and therefore, the terminal device may jointly receive the M PDCCHs. This can enhance transmission performance.

Abstract: A communication method, an apparatus, a storage medium, and a computer program product are provided, and relate to the field of wireless communication technologies. In this disclosure, a terminal apparatus receives first information, where the first information includes information indicating indexes of a plurality of resources. The terminal apparatus performs transmission of a first signal, where a spatial relation of the first signal is associated with a spatial relation of the plurality of resources. Because the first information received by the terminal apparatus indicates the plurality of resources, the terminal apparatus may perform transmission of the first signal based on an indication of second information by using the spatial relation of the plurality of resources. According to the solution provided in this disclosure, a spatial relation configuration problem in the multi-beam transmission scenario can be resolved.

Abstract: Embodiments of the disclosure relate to a data transmission method and related apparatus. The method includes the followings operations. Receiving or sending a first signal based on a first transmission mode, where the first transmission mode corresponds to at least one of a first port capability or a first bandwidth capability. Performing transmission mode switching from the first transmission mode to a second transmission mode, where the second transmission mode corresponds to at least one of a second port capability or a second bandwidth capability. Receiving or sending a second signal based on the second transmission mode. In this way, a terminal device may dynamically perform transmission mode switching to save energy when a service volume is small and implement high-capacity transmission when the service volume is large.

Abstract: A communication method and apparatus relate to the field of communication technologies, to improve flexibility and efficiency of scheduling an antenna port combination for uplink transmission. The method includes: A network device sends a sounding reference signal (SRS) configuration message to a terminal, where the SRS configuration message includes N SRS resources, the N SRS resources include a first SRS resource and a second SRS resource, each of the first SRS resource and the second SRS resource includes one or more SRS ports; and the network device receives an SRS corresponding to an mth SRS port of the first SRS resource and an SRS corresponding to an nth SRS port of the second SRS resource that are sent by the terminal through a same antenna port, where N, m, and n are positive integers.

Abstract: Provided herein are salt forms of Durlobactam (DUR) having the Formula I: In particular, crystalline forms of a DUR-TBA, a DUR-TEA, and a DUR-Ca are provided. The methods of preparing these salts, and characterization of their various polymorphic forms are also provided. Additionally, the present invention comprises methods for synthesizing the DUR-Na from the various crystalline DUR salts disclosed.

Abstract: A secondary cell activation method and an apparatus, the method including sending, by a terminal device, first indication information to a network device, where the first indication information indicates receive beam direction information of the terminal device, and where the receive beam direction information is associated with a channel state information reference signal (CSI-RS) resource for activating a secondary cell of the terminal device, receiving, by the terminal device, configuration information from the network device, where the configuration information configures the CSI-RS resource, and sending, by the terminal device, a first channel state information (CSI) report to the network device, where the first CSI report is obtained based on the CSI-RS resource, and where the first CSI report is used to activate the secondary cell.

Abstract: This application provides a measurement reporting method and an apparatus. The method includes: receiving pilot measurement configuration information of a plurality of carriers, where the pilot measurement configuration information indicates a pilot association relationship of the plurality of carriers, and the pilot association relationship indicates that pilots of the plurality of carriers correspond to a same spatial domain transmit filter; performing measurement based on the pilot measurement configuration information, to obtain measurement report results of the plurality of carriers; and sending the measurement report results. The pilot association relationship of the plurality of carriers is configured for a terminal device, so that the terminal device may report, for the plurality of carriers, measurement results of the pilots corresponding to one or more same spatial domain transmit filters.

Abstract: In a second cell activation method, a terminal device receives activation signaling of a secondary cell sent by a network device, where the activation signaling includes at least one piece of first quasi co-location indication information; the terminal device activates the secondary cell based on the activation signaling. The technical solution provided in this application can reduce an activation delay of a secondary cell.

Abstract: A manufacturing method for a P-type laterally diffused metal oxide semiconductor device includes: forming a N-type buried layer in a substrate, forming a P-type region located on the N-type buried layer, and forming a mask layer located on the P-type region; patterning the mask layer to form at least two injection windows; performing N-type ion implantation by the at least two injection windows; forming an oxide layer; removing the mask layer; performing P-type ion implantation on the P-type region to form a P-type doped region; diffusing the P-type doped region to form a drift region and two P-type well regions, diffusing the high-voltage N-well doped region to form a high-voltage N-type well region, and diffusing the low-voltage N-well doped region to form a low-voltage N-type well region; and forming a source doped region, a drain doped region, and a gate.

Abstract: This application discloses a secondary cell activation method and an apparatus, and relates to the communication field, so that a terminal device can report a channel state information measurement result in a secondary cell activation phase to a network device. The secondary cell activation method includes: A terminal device receives first indication information, where the first indication information is used to indicate an uplink resource for reporting a channel state information measurement result in a secondary cell activation phase; and the terminal device sends the channel state information measurement result to a network device based on the first indication information.

Abstract: A method and an apparatus for determining a status of an antenna panel. A terminal receives configuration information including at least one downlink signal resource set. When determining that a first antenna panel corresponding to a first downlink signal resource set is turned on, the terminal measures quality of a resource in the first downlink signal resource set by using the first antenna panel, and sends first feedback information. The first feedback information may indicate the quality of the resource in the first downlink signal resource set. When the first antenna panel is turned off, the terminal skips measuring the quality of the resource in the first downlink signal resource set, and sends second feedback information. The second feedback information is used to indicate that the first antenna panel is turned off.

Abstract: This application discloses a secondary cell activation method and an apparatus, and relates to the communication field, so that a terminal device can report a channel state information measurement result in a secondary cell activation phase to a network device. The secondary cell activation method includes: A terminal device receives first indication information, where the first indication information is used to indicate an uplink resource for reporting a channel state information measurement result in a secondary cell activation phase; and the terminal device sends the channel state information measurement result to a network device based on the first indication information.

Abstract: Embodiments provide an electrode assembly, a battery cell, a battery, an electrical apparatus, and a manufacturing method and device. In those embodiments, the electrode assembly includes: an electrode plate, including a main portion and at least one protruding portion. The main portion includes a metal substrate and an active material layer coated on a surface of the metal substrate. The protruding portion is connected to the metal substrate. The metal substrate protrudes along a length direction of the electrode assembly. Along a thickness direction of the electrode assembly, a size of at least a part of the protruding portion is greater than a size of the metal substrate. The electrode assembly according to the Embodiments aims to solve a technical problem of severe heat emission of a tab.

Abstract: This application discloses a multi-codeword transmission method and an apparatus. The method includes: generating, by a network device, downlink control information corresponding to each of a plurality of code words to be sent to a terminal device, where the downlink control information corresponding to each code word includes at least one of the following: a physical downlink shared channel resource element mapping and quasi-co-location indicator, and an antenna port(s), scrambling identity and number of layers; and sending, by the network device, downlink control information corresponding to the plurality of code words to the terminal device. Corresponding apparatuses are further disclosed.

Abstract: Embodiments of the application disclose a reference signal management method, an apparatus, and a system, to resolve a problem of relatively large system overheads in an existing high frequency beam management process. A terminal device receives first information sent by a network device. The first information is used to indicate a first reference signal group that is on a first carrier, there is a correspondence between the first reference signal group that is on the first carrier and a first reference signal that is on a second carrier, and the first reference signal group that is on the first carrier includes at least two reference signals. The terminal device receives the first reference signal group that is on the first carrier and that is sent by the network device.

Abstract: A battery cell includes a housing. A dimension of the housing along a length direction of the battery cell is greater than a dimension of the housing along a thickness direction of the battery cell and a dimension of the housing along a width direction of the battery cell. The housing includes a board extending along the length direction and an accommodation space opened from at least one end of the accommodation space. The battery cell further includes an electrode assembly disposed in the accommodation space and a cover configured to cover the opening. A pressure relief mechanism is disposed at the board and configured to be actuated, in response to an internal pressure or temperature of the housing reaching a threshold, to relieve the internal pressure. In the length direction, an extension dimension of the pressure relief mechanism is greater than or equal to ¼ of an extension dimension of the board.

Abstract: This application discloses a multi-codeword transmission method and an apparatus. The method includes: generating, by a network device, downlink control information corresponding to each of a plurality of code words to be sent to a terminal device, where the downlink control information corresponding to each code word includes at least one of the following: a physical downlink shared channel resource element mapping and quasi-co-location indicator, and an antenna port(s), scrambling identity and number of layers; and sending, by the network device, downlink control information corresponding to the plurality of code words to the terminal device. Corresponding apparatuses are further disclosed.

Abstract: Embodiments provide an electrode assembly, a battery cell, a battery, an electrical apparatus, and a manufacturing method and device. In those embodiments, the electrode assembly includes: an electrode plate, including a main portion and at least one protruding portion. The main portion includes a metal substrate and an active material layer coated on a surface of the metal substrate. The protruding portion is connected to the metal substrate. The metal substrate protrudes along a length direction of the electrode assembly. Along a thickness direction of the electrode assembly, a size of at least a part of the protruding portion is greater than a size of the metal substrate. The electrode assembly according to the Embodiments aims to solve a technical problem of severe heat emission of a tab.

Abstract: Embodiments of this application disclose beam training methods, apparatuses, and systems. One method includes: receiving, from a network device, interference-related information; receiving, from the network device, a downlink signal sent through two or more beams, wherein the two or more beams comprise an interfering beam that causes interference to a terminal device; and transmitting, to the network device, information related to a beam selected from the two or more beams, wherein the beam is selected by the terminal device based on the interference-related information and a measurement result obtained from measuring the downlink signal.