Abstract: This application provides a beam determining method and a related apparatus. The method includes: A terminal device determines, in a first beam and a second beam based on a beam parameter corresponding to a first control-resource set and a beam parameter corresponding to a second control-resource set, a beam used by the first control-resource set and a beam used by the second control-resource set, where the first beam and the second beam are two common beams available for downlink transmission, and the first control-resource set and the second control-resource set are two control-resource sets for physical downlink control channel repetition transmission. The terminal device receives, based on the beam used by the first control-resource set, a physical downlink control channel corresponding to the first control-resource set, and receives, based on the beam used by the second control-resource set, a physical downlink control channel corresponding to the second control-resource set.

Abstract: The disclosure provides a two-dimensional photonic integrated quantum walk chip and system, including a two-dimensional photonic integrated quantum walk structure. The two-dimensional photonic integrated quantum walk structure includes a cladding and at least two waveguide layers stacked in a thickness direction, each of the waveguide layers including at least two waveguides, the cladding wrapping the waveguides; the waveguides are parallel to each other, and arranged in a matrix on a plane perpendicular to an extension direction of the waveguides; any one of the waveguides is coupled with the waveguides in a row direction, a column direction and a diagonal direction. By arranging multiple waveguide layers and arranging at least two waveguides in each waveguide layer, a waveguide array in matrix arrangement can be formed, and any waveguide is coupled with the waveguides in the row direction, the column direction and the diagonal direction.

Abstract: Embodiments of this application disclose an uplink transmission method and a related apparatus, so that a terminal device correctly performs uplink transmission on a first resource by using a corresponding transmission configuration indicator (TCI) state. This implements correct transmission between the terminal device and a network device, and improves communication transmission performance. The method in embodiments of this application includes: A terminal device receives first information from a network device, where the first information indicates one or more transmission parameters of a first resource; and the terminal device performs, based on the first information, uplink transmission on the first resource by using a corresponding TCI state.

Abstract: A transmission configuration indicator TCI mode configuration method, a TCI state indication method, and a related apparatus, where a network device configures, for a terminal device, a TCI mode associated with a control resource set. A terminal device receives configuration information from a network device, where the configuration information includes a correspondence between at least one control resource set of the terminal device and a TCI mode, and the TCI mode includes a joint mode or a separate mode; and the terminal device determines, based on the configuration information, the TCI mode corresponding to the at least one control resource set.

Abstract: An uplink scheduling method and an apparatus are provided. The method includes: A network device determines uplink scheduling information, where the uplink scheduling information is used for scheduling a terminal device to perform a first uplink transmission and a second uplink transmission, a first timing advance associated with the first uplink transmission is different from a second timing advance associated with the second uplink transmission, the first uplink transmission and the second uplink transmission are two consecutive uplink transmissions, and there is an interval of preset duration between the first uplink transmission and the second uplink transmission; and the network device sends the uplink scheduling information to the terminal device.

Abstract: A data transmission method, a device, a chip, and a readable storage medium are disclosed, to perform PUSCH repetition transmission by using a plurality of beams, and improve reliability of transmission. In embodiments of this application, a terminal device determines a plurality of SRS resources, the plurality of SRS resources correspond to a plurality of beams, and the terminal device performs many PUSCH repetition transmissions based on the plurality of beams, to improve reliability of the PUSCH repetition transmission.

Abstract: This application provides a communication method and apparatus. The method includes: A network device sends first configuration information to a terminal device, where the first configuration information is used to configure that the terminal device reports one or more pieces of feedback information, the feedback information is used to describe measurement information of N reference signals, each of the N reference signals corresponds to one resource, resources corresponding to the N reference signals belong to a same resource set, each piece of feedback information corresponds to one resource set, the feedback information includes N information groups, an nth information group in the N information groups includes a measurement result of an nth reference signal and/or an identifier of a resource corresponding to the nth reference signal, N is an integer greater than or equal to 1, and n?[1, N].

Abstract: Embodiments of this application provide a data transmission method and an apparatus, and relate to the communication field, to indicate a plurality of codebooks or a plurality of sounding reference signal (SRS) resource combinations. The method includes: A terminal device receives first information, where the first information is used to indicate a plurality of codebooks; and the terminal device performs data transmission based on the plurality of codebooks, where each of the plurality of codebooks corresponds to one beam. Alternatively, a terminal device is configured to receive second information, where the second information is used to indicate N SRS resource combinations, where N is an integer greater than 1; and the terminal device performs data transmission based on the N SRS resource combinations, where each of the N SRS resource combinations corresponds to one beam. Embodiments of this application are applied to a 5G communication system.

Abstract: The present application discloses a quantum bit control signal delay calibration method and a related device, which are applied to the technical field of signal calibration, and include: sampling the trigger signal at a signal receiving end at a preset sampling interval to obtain a sampling value; the trigger interval being an integral multiple of the sampling interval; counting effective sampling values in each trigger interval, comparing the number of the effective sampling values corresponding to each trigger interval with a nominal value, counting the number of fuzzy trigger intervals inconformity with the nominal value in a plurality of trigger intervals, and recording it as a sampling fuzzy severity; after the sampling fuzzy severity is recorded once, adjusting sampling time of the sampling according to a preset delay step length, to obtain the sampling fuzzy severity corresponding to a plurality of delay values, and generating a fuzzy severity quantization sequence.

Abstract: The present application discloses a Josephson junction preparation method and a Josephson junction, wherein a mask is provided with a first channel and a second channel, one end of the second channel coincides with the first channel, and a three-end channel is formed; a strip-shaped first superconducting layer is formed on the side, away from the evaporation source, in the first channel in the first evaporation direction; an included angle is formed between the first evaporation direction and the surface normal of the substrate, and the first evaporation direction enables the first superconducting layer to be only arranged in the first channel; a second superconducting layer is arranged in the second channel in the second evaporation direction, and forming a Josephson junction in the overlapped area of the first channel and the second channel.

Abstract: A communication method includes receiving an absolute timing advance command from a network device, and determining one of two uplink sending timing advances according to the absolute timing advance command. The absolute timing advance command includes a first field useable to indicate information about an uplink sending timing advance, and a second field useable to indicate a timing advance group identifier. The timing advance group identifier is associated with the one of the two uplink sending timing advances.

Abstract: The present invention relates to a polybutylene terephthalate composition and the manufacturing method thereof. The change rate of crystallization heat flow of the polybutylene terephthalate composition is greater than 200 mW/g-min, and the change rate of crystallization heat flow is determined according to the method of ISO 11357-3:2018. The polybutylene terephthalate composition of this invention has ideal heat resistance and low impurity content, and it is highly applicable in subsequent processing.

Abstract: Example data transmission methods and apparatus related to the field of communications technologies are described. One example method includes receiving, by a terminal based on a first transmission scheme, data sent by a network device, wherein the first transmission scheme is a data transmission scheme in which different redundancy versions (RV) of a same transport block (TB) are simultaneously transmitted by using two transmission configuration indicator (TCI) states.

Abstract: A cell beam indication method and a related terminal device for receiving configuration information sent by a network device, where the configuration information is used to configure at least one cell group, and each cell group includes a first cell and a second cell. The terminal device determines, based on a first beam indicated via a first cell in a first cell group, a second beam corresponding to the first cell group, where the first cell group includes at least one multi-beam cell. The terminal device determines, based on the second beam, a third beam of a second cell in the first cell group. This method may be used for a multi-beam cell, to indicate that a common beam can be used for the multi-beam cell in a form of a cell group.

Abstract: An information transmission method and an apparatus for generating high frequency narrow beam transmissions The apparatus performs a method includes: measuring reference signal resources in X resource sets, to determine M resource groups, where X is an integer greater than 1, and M is an integer greater than 0; and sending first indication information and second indication information to a network device, where the first indication information indicates the M resource groups, each of the M resource groups includes X reference signal resources, and the X reference signal resources in the resource group belong to different resource sets in the X resource sets; and the second indication information indicates panel information of N of the M resource groups, where N is an integer less than or equal to M.

Abstract: A timing advance obtaining method includes receiving, by a terminal device, first information from a network device. The first information indicates the terminal device to perform random access to a first cell, and the first cell is a non-serving cell of the terminal device. The method also includes sending, by the terminal device, a random access preamble corresponding to the first cell to the network device based on the first information. The method further includes receiving, by the terminal device, a random access response message from the network device. The random access response message includes a first timing advance corresponding to the first cell.

Abstract: A device for atomization of water and essential oil includes a water atomization assembly, an essential oil atomization assembly, and a vacuum pump. The water atomization assembly includes a first housing, a water container disposed in the first housing, an ultrasonic atomization module disposed in the first housing to atomize water from the water container. The essential oil atomization assembly includes a second housing, an essential oil atomization module disposed in the second housing, and an essential oil container. The vacuum pump is fixedly disposed on a bottom end of the first housing. The essential oil atomization module is connected to and disposed above the essential oil container; the essential oil container is at least partially disposed in the second housing; the first housing includes an outer wall including a recess, and the second housing is fixedly embedded in an upper part of the recess.

Abstract: This application discloses a data transmission method and apparatus, the method comprising: sending first information to a terminal device, wherein the first information indicates at least two transmission configuration indicator (TCI)-states; sending a radio resource control (RRC) signaling to the terminal device, wherein the RRC signaling configures a total quantity of transmission times that a same transport block (TB) is to be transmitted in different time units; and sending the same TB in each time unit of the different time units using the at least two TCI-states, wherein a time interval is between two adjacent time units in which the same TB is transmitted.

Abstract: A communication method and apparatus are provided, so that a terminal device performs a plurality of uplink transmissions simultaneously. The terminal device may determine at least two actual transmit powers based on expected transmit powers respectively corresponding to at least two uplink transmissions performed simultaneously, and a first maximum transmit power of the terminal device and/or second maximum transmit powers corresponding to the at least two uplink transmissions, and then perform uplink transmission simultaneously based on the at least two actual transmit powers. In this way, the terminal device may determine actual transmit powers for the plurality of uplink transmissions performed simultaneously, to simultaneously perform the plurality of uplink transmissions (for example, simultaneously perform uplink transmission by using a plurality of stations or antenna panels), thereby improving an uplink throughput.

Abstract: A power headroom reporting method and an apparatus are provided. The method includes: A terminal determines a power headroom based on a maximum transmit power of the terminal and a sum of expected transmit powers respectively corresponding to at least two antenna panels or transmission beams in the terminal. The terminal sends indication information of the power headroom to a network device. According to the method and the apparatus, in a scenario in which the terminal performs uplink transmission by using a plurality of antenna panels, each antenna panel corresponds to one transmission beam, so that the terminal can accurately report the power headroom, thereby facilitating subsequent uplink transmission scheduling and power control performed by a base station, and improving performance of the uplink transmission performed based on the plurality of antenna panels.