Abstract: A communication method and apparatus are provided. The method includes: A first device receives first information, where the first information includes phase information of a second device on M resources, and the M resources are frequency resources. The first device receives a first signal from the second device on one or more of the M resources. The first device obtains measurement information, where the measurement information is determined based on the first signal and the first information. In embodiments of this application, after receiving signals on the one or more of the M resources, the first device may determine phase information between the received signals based on the first information, so that the phase information between the received signals may be considered when the measurement information is obtained. This reduces interference caused by a difference between phases of different signals, to improve accuracy of the obtained measurement information.

Abstract: An example positioning method includes sending, by a first device, sidelink control information (SCI) to a second device, where the SCI comprises time-frequency resource information of a reference signal, and the reference signal is used for positioning The first device sends the reference signal to the second device and receives a response message sent by the second device, where the response message comprises location information determined by the second device based on the reference signal.

Abstract: A communication method includes receiving, by a terminal device or a chip in the terminal device, first configuration information, and sending n sounding reference signals based on the first configuration information. The first configuration information is useable to configure n sounding reference signals. The n sounding reference signals are useable for positioning. A carrier corresponding to at least one of the n sounding reference signals is a first positioning carrier, where n is an integer greater than 1. The n sounding reference signals are included in a same time domain resource unit.

Abstract: The technology of this application relates to a positioning method and apparatus. In one example embodiment, a network server can receive N pieces of phase information sent by a first communication device, where the N pieces of phase information are obtained based on one or more reference signals sent by a second communication device, and then determine a distance between the first communication device and the second communication device based on the N pieces of phase information. According to the positioning method provided in this application, measurement accuracy of the measured distance between the first communication device and the second communication device can be improved.

Abstract: An example communication method includes determining that a first condition and a third condition are satisfied. The first condition is that preconfigured measurement information is configured and that at least one set of measurement information in the preconfigured measurement information satisfies a measurement requirement. The third condition is that measurement information of a positioning reference signal is not configured, or the third condition is that measurement information of a positioning reference signal does not satisfy the measurement requirement. The measurement information includes measurement gap (MG) configuration information. The method further includes sending a first request message. The first request message is for requesting to activate the at least one set of measurement information in the preconfigured measurement information.

Abstract: Embodiments of this application provide a communication method and a communication apparatus. The communication method includes: A positioning module positions a target terminal device based on first information and/or second information, where the first information includes one or more of carrier phase measurement information of P second signals received by a first communication apparatus on N frequency resources, the second information includes one or more of carrier phase measurement information of M first signals received by a second communication apparatus on the N frequency resources, and N, M, and P are positive integers.

Abstract: Example methods, apparatuses, and storage media are provided. An example method includes receiving at least one satellite signal and at least one reference signal. The example method further includes sending first information and second information. The first information includes a phase measurement value determined based on the at least one satellite signal. The second information includes a phase measurement value determined based on the at least one reference signal.

Abstract: A communication method includes receiving, by a first terminal device, configuration information of at least one reference signal. The communication method also includes sending, by the first terminal device, the at least one reference signal based on the configuration information. The first terminal device does not receive or send at least one of a non-access stratum (NAS) message, a transmission long term evolution positioning protocol (LPP) message, connected mode information, or a paging message.

Abstract: The embodiment of the disclosure discloses a method for processing data, a device for processing data, a system for processing data, a system controller and a mudure controller. The method includes: receiving input image data; storing the image data into a memory; reading target image data from the memory according to loaded area information of at least one output portal, wherein the output portal is electrically connected with a display screen, and the loaded area information of the output portal characterizes a target display area of the display screen; compressing the target image data to reduce the data volume of the target image data to meet a output bandwidth of the output portal to obtain compressed image data characterized by a plurality of image data packets; and outputting the compressed image data through the output portal.

Abstract: This application provides a signal transmission method and an apparatus. The method includes: generating m signals, where m is a positive integer greater than or equal to 2; and sending the m signals on m resources, where the m resources correspond to m frequency domain resources in frequency domain, the m resources correspond to m time elements in time domain, a first frequency domain resource used by a signal carried in an ith time element is distributed on at least two carrier components, a second frequency domain resource used by a signal carried in a jth time element is distributed on at least one carrier component, there is an overlapping part between the second frequency domain resource and the first frequency domain resource.

Abstract: A communication method includes obtaining first information. The first information includes a first reference signal configuration information set. The first reference signal configuration information set includes one or more first pieces of reference signal configuration information. The one or more first pieces of reference signal configuration information are requested by a terminal device on-demand. The communication method also includes sending second information to a first network device. The second information includes a second reference signal configuration information set requested by the terminal device. The second reference signal configuration information set includes one or more second pieces of reference signal configuration information.

Abstract: A communication method and apparatus. The communication method includes: A terminal device transmits first capability information to a first network device, where the first capability information indicates that the terminal device supports sending a sounding reference signal (SRS) by using a maximum of a first bandwidth size of bandwidth; the terminal device transmits second capability information to a second network device, where the second capability information indicates that the terminal device supports sending data or control information by using a maximum of a second bandwidth size of bandwidth; the terminal device obtains first configuration information indicating that a size of bandwidth configured for the SRS is not greater than the first bandwidth size; and the terminal device obtains second configuration information indicating that a size of bandwidth configured for the data or control information is not greater than the second bandwidth size.

Abstract: Embodiments of this application provide a power headroom reporting method, an apparatus, and a system, to resolve a problem that a level mismatch currently exists between calculation of a Type 3 power headroom and reporting of the Type 3 power headroom. The method includes: A terminal device determines a power headroom corresponding to one or more reference signal resource sets in each of one or more cells, where the one or more cells are cells that are among cells participating in positioning of the terminal device and that require the terminal device to report the power headroom; and the terminal device sends power headroom information to a network device, where the power headroom information includes the power headroom corresponding to the one or more reference signal resource sets in each of the one or more cells.

Abstract: A signal sending method includes generating M signals. The signal sending method also includes sending the M signals on M time-frequency resource elements. The M signals are in a one-to-one correspondence with the M time-frequency resource elements. At least two of the M time-frequency resource elements overlap in a frequency domain. Any two of the M time-frequency resource elements are free from overlapping in a time domain. M is an integer greater than 1.

Abstract: A location management function device receives a request message, where the request message is for requesting to position a terminal device, and the request message includes integrity information of positioning. The location management function device positions the terminal device, where the integrity information includes information for indicating a requirement on positioning integrity.

Abstract: A signal sending method includes generating a first signal based on a reference sequence or an orthogonal cover code (OCC), where the reference sequence is a sequence in a sequence set; and any two sequences in the sequence set are orthogonal to each other; or the OCC is included in an OCC set, and any two OCCs in the OCC set are orthogonal to each other; and sending the first signal on M time-frequency resource elements, where the first signal includes M sub-signals; the M time-frequency resource elements are in a one-to-one correspondence with the M sub-signals; any two of the M time-frequency resource elements do not overlap in frequency domain or in time domain; and M is an integer greater than 1.

Abstract: A method includes obtaining, by a positioning device, positioning integrity information of a terminal device from an access network device or the terminal device. The positioning integrity information indicates a positioning integrity requirement that is predicted by the access network device or the terminal device and that is of the terminal device in a first scenario. The method also includes performing, by the positioning device based on the positioning integrity information, an operation for positioning the terminal device, to meet the positioning integrity requirement of the terminal device in the first scenario.

Abstract: This application provides a method for determining a timing advance (TA) and a communication apparatus. A terminal device in a non-connected state obtains, using a radio resource control release (RRC Release) message or a paging message, timing advance indication information, for example, a radio network temporary identifier (RNTI) of a timing advance command (TAC), a timing advance command sending period, timing advance command duration, and a timing advance command reception window. Therefore, the terminal device in the non-connected state can determine a TA value based on the timing advance indication information. The technical solutions of this application may further be applied to a positioning scenario, to position the terminal device in the non-connected state. In comparison with the conventional solutions, power consumption of the terminal device is reduced.

Abstract: A method for controlling positioning integrity. A location management device receives a first message sent by a terminal device, where the first message includes a first parameter set. The first parameter set includes measurement information and/or error information relating to location information of the terminal device. The error information is related to the positioning integrity. The location management device obtains a first positioning result based on the first parameter set and/or positioning assistance data. The first positioning result includes location information and/or integrity information of the terminal device. The integrity information includes the error information and/or alarm information, and the alarm information includes a determining result obtained by comparing the first positioning result with a preset determining condition.

Abstract: Embodiments of this application provide a positioning method, an apparatus, and a system, to resolve a problem that high-accuracy positioning cannot be implemented based on existing assistance data. The method includes: a location management device obtains a plurality of assistance data from one or more access network devices, where each assistance data includes one or more groups of mapping relationships corresponding to one or more preset angles, and each group of mapping relationships includes a mapping relationship between each of one or more PRS resource identifiers and power information corresponding to each PRS resource identifier at a corresponding preset angle; the location management device obtains, from a terminal device, power information corresponding to one or more PRS resource identifiers at each of a plurality of to-be-measured angles; and the location management device positions the terminal device based on the plurality of assistance data and the power information.