Abstract: A wireless communication method, a terminal device, and a network device are provided. The wireless communication method includes: determining, by a terminal device, a target uplink waveform from a plurality of uplink waveforms. The target uplink waveform is used for the terminal device to perform uplink communication with a network device.

Abstract: Provided are a communication method and a communication apparatus. The method comprises: a terminal device performs backscatter communication; and when a preset condition is satisfied, the terminal device switches to active transmission communication. According to the method in embodiments of the present application, the power consumption of the terminal device can be reduced while the transmission delay is ensured.

Abstract: A positioning method and apparatus, and a communication device are provided. The method includes: a first device receives a first signal sent by an anchor device, the first signal being a back scattering signal corresponding to a second signal received by the anchor device; and the first device positions a second device on the basis of the received first signal.

Abstract: A wireless communication method includes: determining, by a first terminal according to a time domain feature of a transmitting time of a first signal, a target transmission mode of the first signal from a plurality of types of transmission modes; where the plurality types of transmission modes include an active transmission mode and a backscatter mode.

Abstract: A communication method includes: determining, by a terminal device, based on first information, whether to perform PRACH repetitions.

Abstract: A wireless communication method includes: determining, by a first terminal based on transmitting power of a backscatter signal, a path loss between the first terminal and a target receiving device and target receiving power of the target receiving device, a target transmission mode of a first signal from multiple transmission modes, where the multiple transmission modes include an active transmission mode and a backscatter mode, and the target receiving device is a receiving device of the first signal.

Abstract: Provided are a communication method, a communication device, a computer readable storage medium, and a chip. The method comprises: a first communication device sends a first signal to a second communication device, wherein the first signal comprises a symbol sequence corresponding to an original bit sequence and a symbol sequence corresponding to a first bit sequence, and the symbol sequence corresponding to the first bit sequence is located before the symbol sequence corresponding to the original bit sequence.

Abstract: A method of wireless communication includes: receiving, by a terminal device, a trigger signal; where the trigger signal carries identification information and resource indication information, the identification information is used for indicating whether the trigger signal is a signal directed at the terminal device, the resource indication information is used for indicating information of a resource occupied by data associated with the trigger signal, and the terminal device obtains power through power harvesting for communication, information collection and processing.

Abstract: A wireless communication method includes: performing, by a first device, backscattering on a signal on a total bandwidth or a partial bandwidth of an OFDM signal to obtain a backscatter signal.

Abstract: A data transmission method, which includes: receiving, by a first device, a downlink signal transmitted by a second device, the downlink signal carrying a terminal identifier; identifying, by the first device, that the terminal identifier is a self identifier of the first device; and transmitting, by the first device, an uplink signal to the second device according to the downlink signal; where the first device is a zero power consumption device.

Abstract: A method of wireless communication, including: in a case where a first downlink channel is correctly decoded and a number L of repetition transmissions of the first downlink channel is less than K, terminating, by a terminal device, reception of remaining repetition transmissions of the first downlink channel, where the K represents a configured number of repetition transmissions of the first downlink channel and the K is a positive integer; and transmitting, by the terminal device, first indication information to a network device by back scattering, where the first indication information is used to indicate that the terminal device correctly decodes the first downlink channel.

Abstract: A communication method and a communications apparatus are provided, including: measuring, by a first terminal device, a first uplink signal to obtain a first measurement result; and transmitting, by the first terminal device according to the first measurement result, a backscatter signal to a network device based on a second uplink signal, where the first uplink signal is transmitted by a second terminal device.

Abstract: A method for determining a time domain resource, a terminal device, and a network device are provided. The method includes: receiving, by a terminal device, first configuration information sent by a network device, where the first configuration information is used to configure, for the terminal device, a first time domain resource for performing backscatter communication. The network device may directly receive, on a first time domain resource, uplink data sent by a terminal device. In addition, the terminal device may perform backscatter communication based on the first time domain resource allocated by the network device.

Abstract: A method for configuring resources, a terminal, and a network device are provided. The method includes: receiving, by a terminal, first information sent by a network device, where the first information is used for configuring, for the terminal, a time domain resource used for backscatter communication. The network device may configure or schedule, for the terminal by using the first information, the time domain resource used for backscatter communication. In other words, the network device implements, by using the first information, allocation and control of the time domain resource that can be used for backscatter communication.

Abstract: A backscatter communication method includes: determining, by a terminal device, one or more backscatter time domain resources associated with a received first signal; and performing, by the terminal device, backscatter communication based on the one or more backscatter time domain resources.

Abstract: A UCI reporting method includes: determining a first backscattering resource for reporting first UCI; and reporting the first UCI to a network device based on the first backscattering resource.

Abstract: A communication method includes: determining, by a terminal device, a transmission mode. The transmission mode includes an active transmission mode and a back scattering transmission mode.

Abstract: A method of back scattering communication includes: determining by a first communication device, time domain resource information for the back scattering communication according to first information; where the first information is identification information of the first communication device, or the first information is identification information of the first communication device and identification information of a serving cell.

Abstract: A communication state indication method includes: indicating, by a terminal device by whether to send target indication information and/or a content indicated by the target indication information, the communication state of the terminal device to a network device, where the terminal device communicates with the network device through backscattering.

Abstract: A synchronization control method includes: receiving, by a terminal device, a first downlink signal from a network device; performing, by the terminal device, modulation on a reflected signal of the first downlink signal to obtain a first uplink signal; and sending, by the terminal device, the first uplink signal to the network device. The first uplink signal carries synchronization information through the modulation of the terminal device, and the synchronization information is used for obtaining a timing error and/or frequency error of the terminal device.