Abstract: Embodiments of this disclosure provide a hybrid automatic repeat request (HARQ) bitmap information feedback method and a related device. The method includes: A terminal receives indication information from an access network device, where the indication information is used to determine whether HARQ feedback is needed for a transmit block transmitted in a plurality of downlink transmission units. The terminal determines HARQ bitmap information based on the indication information, where the HARQ bitmap information includes HARQ feedback information of at least one target transmission unit, and the target transmission unit indicates a downlink transmission unit that needs HARQ feedback in the plurality of downlink transmission units. The terminal sends the HARQ bitmap information to the access network device. Some embodiments of the present disclosure can reduce feedback resource overheads in an NTN scenario, reduce a communication delay, and improve a communication throughput rate.

Abstract: Embodiments of this application provide a timing advance determining method and a communication apparatus, to improve precision of calculating a timing advance (Timing Advance, TA) by a terminal, and reduce inter-symbol interference (Inter-Symbol Interference, ISI). The method includes: A first network device determines a first parameter based on a first delay compensation value, where the first delay compensation value is delay compensation made by the first network device for receiving a signal sent by a terminal, the first parameter indicates a difference between a round-trip delay of a feeder link in a non-terrestrial network NTN and the first delay compensation value, and the difference is used to determine a TA used by the terminal for signal sending; and the first network device sends the first parameter.

Abstract: A method and device are provided for encoding a master information block (MIB), where the MIB includes indication information, the indication information is used by a terminal device to determine a decoding mode for decoding first information, and the first information includes at least one of a system information block (SIB) 1 and system information (SI); and sending an encoded MIB to the terminal device. The terminal device can determine a correct decoding mode for the SIB and the SI according to the indication information before receiving the SIB and the SI, and then the terminal device can decode the SIB and the SI in the correct decoding mode after receiving the SIB and the SI. The terminal device can flexibly decode the SIB and the SI.

Abstract: This application provides a satellite communication method and apparatus. The method includes: A terminal device receives first indication information. The first indication information indicates a validity duration of first parameter information. The first parameter information includes at least one of the following information: a first timing advance, parameter information of the first timing advance, a first frequency offset pre-compensation, or parameter information of the first frequency offset pre-compensation. The terminal device performs uplink communication with a satellite in the validity duration based on the first parameter information. The terminal device can obtain, by receiving the first indication information, a validity duration of parameter information such as the first timing advance, the parameter information of the first timing advance, the first frequency offset pre-compensation, or the parameter information of the first frequency offset pre-compensation.

Abstract: This application provides a gateway handover method and an apparatus, to ensure the reliability of a gateway handover of a terminal device and reduce hardware overheads in a gateway handover process. The terminal device receives a synchronization signal/PBCH (physical broadcast channel) block (SSB) from a network device through a service link. The SSB includes an SSB of a source gateway and an SSB of at least one candidate target gateway. The terminal device obtains a measurement value of channel quality corresponding to the SSB of the at least one candidate target gateway, and sends a measurement result to the network device. The network device forwards the measurement result to the source gateway, which determines, based on the measurement result, whether to hand over the terminal device from the source gateway to one of the at least one candidate target gateway.

Abstract: This application provides example network resource configuration methods and apparatuses. One example method includes receiving configuration information from a network device, where the configuration information includes information of a first threshold corresponding to at least one candidate cell, and the first threshold includes at least one of a Doppler frequency shift threshold, a timing advance TA rate threshold, or a Doppler frequency shift change rate threshold. A target cell is determined from the at least one candidate cell based on the configuration information. A handover to the target cell is initiated.

Abstract: This application discloses a frequency compensation method and apparatus, to improve performance of frequency compensation. The method includes: determining a change rate of a Doppler frequency shift value based on a weighted change rate of a change rate of a timing advance TA, determining the Doppler frequency shift value based on the change rate of the Doppler frequency shift value, and performing frequency compensation based on the determined Doppler frequency shift value; or determining a frequency offset value based on the Doppler frequency shift value with reference to pre-compensation and based on a reference signal, to further determine a frequency offset value, and performing frequency compensation based on the frequency offset value.

Abstract: Embodiment techniques map parity bits to sub-channels based on their row weights. In one example, an embodiment technique includes polar encoding, with an encoder of the device, information bits and at least one parity bit using the polar code to obtain encoded data, and transmitting the encoded data to another device. The polar code comprises a plurality of sub-channels. The at least one parity bit being placed in at least one of the plurality of sub-channels. The at least one sub-channel is selected from the plurality of sub-channels based on a weight parameter.

Abstract: This application provides a scheduling method and apparatus. The method includes: a network device uses a scheduling model applicable to K users for one or more times, and determines a scheduled terminal device based on scheduling weights output by the scheduling model for one or more times. Each time the scheduling model is used, status information of K terminal devices in n to-be-scheduled terminal devices is input to the scheduling model, and the scheduling model outputs scheduling weights respectively corresponding to the K terminal devices, where K is an integer greater than 1, and n is an integer greater than K. Therefore, regardless of a quantity of to-be-scheduled terminal devices in a communication system, the network device may reuse the scheduling model without re-establishing a scheduling model, so that the scheduling model is expandable and applicable to scenarios in which quantities of to-be-scheduled terminal devices are different.

Abstract: This application provides an encoding method and apparatus in wireless communications between a network device and a terminal. The method includes: performing cyclic redundancy check (CRC) encoding on A to-be-encoded information bits based on a CRC polynomial, to obtain a first bit sequence, where the first bit sequence includes L CRC bits and A information bits, L=11; and performing polar encoding on the first bit sequence.

Abstract: A data transmission method and a communications device, the method including: determining, by a first communications device, a target data transmission mode, where the target data transmission mode is used to indicate a quantity of times that the first communications device transmits an encoded-bit combination to a second communications device and an encoded-bit combination transmitted each time, the encoded-bit combination transmitted each time may include one encoded bit sequence or a plurality of encoded bit sequences, where the encoded bit sequence is obtained by encoding all or some of K information bits, and K is a positive integer, and sending, by the first communications device, the encoded-bit combination to the second communications device in the target data transmission mode, and receiving, by the second communications device, the encoded-bit combination sent by the first communications device, and decoding the encoded bit sequence included in the encoded-bit combination.

Abstract: A method of forming a semiconductor structure includes forming a fin structure having a stack of alternating first semiconductor layers and second semiconductor layers over a substrate, forming cladding layers along sidewalls of the fin structure, forming a dummy gate stack over the cladding layers, and forming source/drain (S/D) features in the fin structure and adjacent to the dummy gate stack. The method further includes removing the dummy gate stack to form a gate trench adjacent to the S/D features, removing the cladding layers to form first openings along the sidewalls of the fin structure, where the first openings extend to below the stack, removing the first semiconductor layers to form second openings between the second semiconductor layers and adjacent to the first openings, and subsequently forming a metal gate stack in the gate trench, the first openings, and the second openings.

Abstract: A method comprises forming a first fin including alternating first channel layers and first sacrificial layers and a second fin including alternating second channel layers and second sacrificial layers, forming a capping layer over the first and the second fin, forming a dummy gate stack over the capping layer, forming source/drain (S/D) features in the first and the second fin, removing the dummy gate stack to form a gate trench, removing the first sacrificial layers and the capping layer over the first fin to form first gaps, removing the capping layer over the second fin and portions of the second sacrificial layers to from second gaps, where remaining portions of the second sacrificial layers and the capping layers form a threshold voltage (Vt) modulation layer, and forming a metal gate stack in the gate trench, the first gaps, and the second gaps.

Abstract: A method and structure for modulating a threshold voltage of a device. In various embodiments, a fin extending from a substrate is provided. In some embodiments, the fin includes a plurality of semiconductor channel layers defining a channel region for a P-type transistor. In some examples, a gate dielectric is formed wrapping around each of the plurality of semiconductor channel layers of the P-type transistor. In some cases, a P-type work function (PWF) metal gate cap is formed wrapping around the gate dielectric. In various embodiments, the PWF metal gate cap merges between adjacent semiconductor channel layers of the plurality of channel layers. Additionally, in some examples, the PWF metal gate cap includes a plurality of nitrogen-containing layers.

Abstract: An elastic reset device arranged in the middle of a grate plate is disclosed, which includes reset blocks, springs, sleeves and a guide plate. The reset blocks comprise a left reset block and a right reset block, the upper ends of the left and right reset blocks are partially overlapped, a folding angle ? is provided at the overlapping portion and is not less than 45 degrees, and a ceramic fiber blanket is filled at the folding angle.

Abstract: The present disclosure relates to random access preamble transmission methods, apparatuses, and storage mediums. In one example method, a terminal device determines, based on a target sub-coverage area to which the terminal device belongs in a preset coverage area of a network device, target random access preamble format information corresponding to the target sub-coverage area. Then, the terminal device sends, to the network device on a target time-frequency resource indicated by target random access preamble time-frequency resource information corresponding to the target random access preamble format information, a random access preamble corresponding to the target random access preamble format information.

Abstract: This application provides a song processing method performed by a computer device. The method includes: presenting a song recording interface in response to a singing instruction triggered in a session interface of a group chat session; recording a song in response to a song recording instruction triggered in the song recording interface, and determining a reverberation effect corresponding to the recorded song; and transmitting, in response to a song transmitting instruction, a target song obtained by processing the song based on the reverberation effect to members of the group chat session, presenting a session message corresponding to the target song in the session interface, and presenting the pick-up singing function item corresponding to the target song in the session interface, the pick-up singing function item being used for implementing pick-up singing of the target song by a member of the group chat session.

Abstract: Embodiments of this application disclose a polar coding method, apparatus, and device, so as to reduce storage overheads of a system. A sequence for polar coding is obtained based on a length M of a target polar code, wherein the sequence comprises L sequence numbers, ordering of the L sequence numbers in the sequence is the same as ordering of the L sequence numbers in a maximum mother code sequence, wherein the maximum mother code sequence is obtained by sorting N sequence numbers of N polarized channels in ascending order or descending order of reliability metrics, wherein L and N are integer power of 2, M is smaller than or equal to L, L is smaller than or equal to N.

Abstract: Embodiments of this application provide a method for coding in a wireless communication network. A communication device interleave a first bit sequence to obtain a first interleaved sequence having sequence number starting with a sequence number of 0, wherein the first bit sequence comprises bits for indicating timing, wherein the bits for indicating timing comprises a set of bits for indicating synchronization signal block index (SSBI); wherein the set of bits for indicating SSBI are placed in positions indicated by sequence numbers of 2, 3 and 5 in the first interleaved sequence. The devices add d first CRC bits on the first interleaved sequence to obtain a second bit sequence, interleave on the second bit sequence according to an interleave pattern to obtain a second interleaved sequence, and polar encode the second interleaved sequence to obtain the encoded sequence.

Abstract: Example communication methods and apparatus are described. In one example method, a terminal receives a first information by using a serving beam, where the first information indicates a delay compensation parameter corresponding to a target beam. The target beam and the serving beam are different beams. The terminal determines, based on a full timing advance and the delay compensation parameter corresponding to the target beam, a differential timing advance corresponding to the target beam.