Oppo Patente

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Provided are a wireless communication method, a terminal device and a network device. The method comprises: a target terminal device sending a first request to a network device, wherein the first request is used to request the migration of a target service from a first terminal device to a second terminal device; and the target terminal device is the first terminal device or the second terminal device. In the embodiments of the present application, the target terminal device can send the first request to the network device to request the migration of the target service from the first terminal device to the second terminal device. That is, the introduction of the first request helps the network device to perceive the requirement for the cross-terminal-device migration of the target service so as to optimize subsequent processes on the basis of the requirement. Compared with that during conventional cross-terminal-device migration of a target service, the network device is unable to perceive the requirement for the cross-terminal-device migration of the target service, and is thus unable to optimize the subsequent processes on the basis of the requirement, an improvement in the user experience is facilitated.

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Embodiments of the present application provide a communication method and a device. The communication method comprises: a terminal device sending a registration request message to a first network element, the registration request message carrying identification information of the terminal device; and the terminal device receiving a registration acceptance message from the first network element. In the embodiments of the present application, the adverse effect of an SOR mechanism on a zero-power device can be reduced.

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The present application provides a video encoding method and apparatus, a video decoding method and apparatus, a device, a system, and a storage medium. When a current chroma block is predicted by using a cross-component prediction mode, cross-component prediction model parameters and a filtering identifier of the current chroma block are determined, the filtering identifier of the current chroma block being determined on the basis of a filtering identifier of an encoded/decoded image block around the current chroma block; on the basis of the cross-component prediction model parameters, cross-component prediction is performed on the current chroma block to obtain a first prediction value of the current chroma block; and on the basis of the filtering identifier and the first prediction value of the current chroma block, a second prediction value of the current chroma block is determined. That is, according to the present application, by filtering a chroma prediction value obtained by means of the cross-component prediction mode, the accuracy of cross-component prediction is improved, and the encoding/decoding performance is improved. In addition, the filtering identifier of the current chroma block inherits the filtering identifier of the encoded/decoded block, and no additional bit consumption needs to be introduced to indicate the filtering identifier, thereby saving codewords and improving the encoding efficiency.

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Provided is a position method and a positioning apparatus, relating to the technical field of communications. The method is performed by a positioning device. The method includes: positioning (601, 802) a zero-power tag device based on a first radio signal from the zero-power tag device; wherein the first radio signal is actively transmitted by the zero-power tag device in response to the zero-power tag device receiving a second radio signal, or the first radio signal is passively transmitted via backscatter modulation on the second radio signal; wherein the second radio signal is used to energize the zero-power tag device or wake up the zero-power tag device.

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Embodiments of the disclosure provide a coding method, a bitstream, an encoder, a decoder, and a storage medium. The decoding method includes the following. A related syntax element for a current block is obtained, where the related syntax element indicates whether prediction on the current block is to be performed based on both a transform model list and an intra-block copy (IBC) technology. A reference block obtained by applying the IBC technology to the current block is determined. A first transform model obtained based on a constructed transform model list is determined according to the related syntax element, where the constructed transform model list includes at least two types of transform models. A prediction block for the current block is determined based on the reference block and the first transform model.

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The present application relates to a key generation method, a device, a computer readable storage medium, a computer program product, and a computer program. The method comprises: a first device receives a first pilot signal sent by a second device; the first device calculates a channel estimation value on the basis of a first pilot key and the first pilot signal; the first device generates a first key on the basis of a plurality of first quantization sequences; the first device sends a plurality of response signals to the second device on the basis of the channel estimation value and the plurality of first quantization sequences, wherein the plurality of response signals are used for the second device to generate a second key.

Provided are a communication method and a communication apparatus. The method comprises: a terminal device sends first information to a first network element, wherein the first information comprises access stratum (AS) data collected by the terminal device. The method in the embodiments of the present application enables the network side to obtain the AS data collected by the terminal device.

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The disclosure relates to a signal transmission method and a device. The signal transmission method includes the following. A terminal device transmits a phase-tracking reference signal (PTRS), where a number of transmission layers associated with a PTRS port is less than or equal to a number of transmission layers of a discrete Fourier transform-spread-orthogonal frequency division multiplexing (DFT-S-OFDM) waveform physical uplink shared channel (PUSCH), and the number of transmission layers of the DFT-S-OFDM waveform PUSCH is greater than or equal to 2. With embodiments of the disclosure, when transmitting a PTRS, the terminal device can support mapping in multi-layer PUSCH transmission when the number of transmission layers of the DFT-S-OFDM waveform PUSCH is greater than or equal to 2.

A wireless communication method, apparatus, and device, and a storage medium, related to the technical field of communications. The method comprises: a terminal device receiving, on a first downlink resource, a first downlink channel or signal sent by a network device, the first downlink channel or signal being used for determining synchronization assistance information (710); and on the basis of the synchronization assistance information, the terminal device sending a first uplink channel or signal to the network device by means of a first uplink resource (720). The first downlink channel or signal used for determining the synchronization assistance information is sent to the terminal device by the network device, so that the terminal device can determine the synchronization assistance information on the basis of the first downlink channel or signal, implement, on the basis of the synchronization assistance information, uplink time domain and/or frequency domain synchronization, and then send the first uplink channel or signal to the network device after uplink synchronization is completed. In this way, the terminal device can request the network device to serve the terminal device when there is a connection establishment or service transmission requirement, thereby improving communication efficiency and reducing energy consumption.

Provided are a wireless communication method, a user equipment (UE) and a network device. The method comprises: a remote UE sending a request message to a first relay UE, wherein the request message is used for requesting, from the first relay UE, a first message which is sent by a network device. The introduction of a request message facilitates a remote UE in obtaining a message, which is sent by a network device.

The present application relates to an information transmission method, a first device, a second device, a chip, a computer readable storage medium, a computer program product, a computer program and a communication system. The information transmission method comprises: the first device sends a first message, wherein the first message comprises M types of information, and each type of information among the M types of information is obtained by processing collected data on the basis of a processing mode corresponding to each type of information, M being an integer greater than or equal to 1. According to embodiments of the present application, data corresponding to different processing modes or data in different formats can be flexibly collected for different requirements, thereby improving the flexibility of data collection.

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