Abstract: A resource determining method and apparatus, an electronic device, a storage medium, a program product, and a vehicle are provided, which are relate to interference listening and avoidance technologies of collaborative radars, and include: determining a first listening result of a first time-frequency resource set; when the first listening result meets a first congestion condition, reducing a time-frequency occupation ratio and/or transmit power of a first target detection signal to obtain a second target detection signal, wherein the first congestion condition includes: a congestion degree of any time-frequency resource in a second time-frequency resource set is greater than a first threshold, and the second time-frequency resource set is included in the first time-frequency resource set; and detecting a target based on the second target detection signal.

Abstract: A method for controlling radar frequency hopping includes determining start frequencies of a plurality of frequency modulated continuous wave (FMCWs) based on a first function, and controlling a radar to sequentially transmit the plurality of FMCWs by performing frequency hopping based on the determined start frequencies.

Abstract: This application provides an information transmission method and apparatus, relates to interference processing of a cooperative radar, and is applicable to internet of vehicles scenarios, such as a vehicle-to-everything (V2X) scenario, a long term evolution-vehicle (LTE-V) scenario, and a vehicle-to-vehicle (V2V) scenario. Therefore, information related to a transmit power can be transmitted through an interface of a radar detection apparatus, and a capability of an automated driving system or an advanced driver assistant system (ADAS) is improved, to adapt to a variable driving environment. The information transmission method includes: A first detection apparatus receives indication information, where the indication information is used to indicate the first detection apparatus to determine a first transmit power used for transmitting a radar signal; and the first detection apparatus determines the first transmit power based on the indication information.

Abstract: An uplink reference signal transmission method, a user terminal, and a base station. The uplink reference signal transmission method includes receiving, by a user terminal, first higher layer signaling indicating at least one uplink reference signal symbol group, where the at least one uplink reference signal symbol group is in 14 symbols or 12 symbols, and where each uplink reference signal symbol group of the at least one uplink reference signal symbol group includes at least one time unit, receiving, by the user terminal, first control information using a physical channel, wherein the first control information indicates an uplink reference signal symbol group corresponding to the user terminal, and sending, by the user terminal, at least one uplink reference signal in the uplink reference signal symbol group corresponding to the user terminal.

Abstract: An information reporting method and apparatus for of automatic or intelligent driving, the method including receiving, by a detection apparatus, a first signal, determining, by the detection apparatus, based on the first signal, an interfered range in a detection range of the detection apparatus, and sending, by the detection apparatus, interference information to a fusion apparatus, where the interference information comprises indication information of the interfered range.

Abstract: A resource configuration method for a short-range communications field includes obtaining at least one resource parameter; determining a first time-frequency resource based on the at least one resource parameter; and sending at least one piece of resource configuration information to at least one second terminal device. The at least one piece of resource configuration information is used to configure at least one second time-frequency resource used for the at least one second terminal device, and the at least one second time-frequency resource belongs to the first time-frequency resource.

Abstract: A signal transmission method and an apparatus can be used in the field of autonomous driving, intelligent driving, or self driving. In embodiments of this application, a total available frequency band of a detection apparatus includes N frequency bands with same bandwidths, the N frequency bands respectively correspond to N orientation ranges, and N is an integer greater than 1. When the detection apparatus transmits a signal, a first available frequency band of the signal is determined based on an orientation of the detection apparatus, the signal is transmitted on the first available frequency band, and the first available frequency band is one of the N frequency bands. In this way, detection apparatuses in different orientation ranges use different frequency bands to transmit signals. In this way, selection of a transmission frequency band of a detection apparatus can be standardized, and interference between detection apparatuses can be reduced.

Abstract: Embodiments of this application provide a signal processing method and apparatus, and a storage medium, applied to the radar field. One example method includes: performing channel listening based on a first signal and a second signal, and determining, based on a result of the channel listening, a first time-frequency resource for target detection, where the channel listening includes performing channel listening based on a first listening signal in a first time domain range and performing channel listening based on a second listening signal in a second time domain range, and a time domain resource of the first time-frequency resource is the first time domain range.

Abstract: An uplink reference signal transmission method, a user terminal, and a base station. The uplink reference signal transmission method includes receiving, by a user terminal, first higher layer signaling indicating at least one uplink reference signal symbol group, where the at least one uplink reference signal symbol group is in 14 symbols or 12 symbols, and where each uplink reference signal symbol group of the at least one uplink reference signal symbol group includes at least one time unit, receiving, by the user terminal, first control information using a physical channel, wherein the first control information indicates an uplink reference signal symbol group corresponding to the user terminal, and sending, by the user terminal, at least one uplink reference signal in the uplink reference signal symbol group corresponding to the user terminal.

Abstract: This application relates to a scheduling method, an apparatus, and a system. A first communications apparatus sends first signaling on a first resource, where the first signaling is used to indicate N communications apparatuses. The first communications apparatus sends second signaling on a second resource, where the second signaling is used to schedule the N communications apparatuses to send or receive first data, and the first resource has an association relationship with the second resource. In addition, the first resource has the association relationship with the second resource. In this case, a receive end of the first signaling and the second signaling may determine the second resource after determining the first resource, so that the second signaling is only detected on the second resource, and blind detection does not need to be performed on too many resources.

Abstract: This application provides a radar information transmission method, an apparatus, and a system, to reduce interference between radars, and relates to the field of wireless communication technologies. In the method, a first device receives a first radar signal that carries information from at least one device. The first device obtains first parsing data based on the first radar signal. The first device determines information from a second device based on a location of one or more information points indicated by the first parsing data in the first parsing data. According to this solution, the first device and the second device can use a radar signal to carry information, to implement information transmission between radars, thereby avoiding mutual interference.

Abstract: An image encoding method includes a color difference signal Cr corresponding to a first pixel and a color difference signal Cb corresponding to a second pixel that are determined based on a pixel value of the first pixel, a pixel value of the second pixel, and pixel values of a third pixel and a fourth pixel that are adjacent to the first pixel. Then, an average value Co of the color difference signal Cr corresponding to the first pixel and the color difference signal Cb corresponding to the second pixel, and a difference value Cg between the color difference signal Cr and the color difference signal Cb are determined.

Abstract: A communications method includes a first communications device that communicates a first signal on a first time domain resource in a first time unit, communicates a second signal on a third time domain resource in a second time unit, communicates a fourth signal on a second time domain resource in the first time unit, and communicates a third signal on a fourth time domain resource in the second time unit. The first time unit successively includes, in time domain, the first time domain resource, a first guard period, the second time domain resource, and a second guard period that are consecutive in time domain, and the second time unit successively includes, in time domain, the third time domain resource, a third guard period, the fourth time domain resource, and a fourth guard period that are consecutive in time domain.

Abstract: A communication method and an apparatus are provided, to improve transmission resource utilization. The communication method and the apparatus relate to the field of automatic driving or smart driving technologies. The method includes: obtaining first data and second data; and sending the first data to a second apparatus based on a first period, and sending the second data to the second apparatus based on a second period, where the first period is a sending period of the first data, the second period is a sending period of the second data, and the first period and the second period are different.

Abstract: A signal transmission method includes a radar detection apparatus selecting a transmit frequency band from a predefined or pre-specified first frequency band. The first frequency band is pre-divided into M sub-frequency bands, and the transmit frequency band includes N sub-frequency bands in the M sub-frequency bands, where a bandwidth of the transmit frequency band is greater than or equal to an operating bandwidth of the radar detection apparatus. A sum of bandwidths of any N?1 sub-frequency bands in the N sub-frequency bands is less than the operating bandwidth of the radar detection apparatus. In addition, a minimum quantity of sub-frequency bands is used to transmit a signal.

Abstract: A signal sending method and a detection apparatus are provided. One method includes: sending, by a detection apparatus, a first signal for target detection, and sending, by the detection apparatus, a second signal indicating information about a resource occupied by the first signal.

Abstract: A radar signal sending method and a device provides for the sending of the radar signal to cooperative radars. A first time domain range in L time domain ranges is determined. A first radar signal is sent in the first time domain range. Any one of the L time domain ranges partially overlaps at least one of the other (L?1) time domain ranges, and an absolute value of a difference between time domain start locations of any two of the L time domain ranges is greater than or equal to a first threshold and less than or equal to a second threshold.

Abstract: A signal sending method, a signal receiving method, and corresponding apparatuses are provided, and are used for self-driving or assisted driving. In a signal transmission phase, a radar may transmit a signal by using a designed waveform, for example, generate a first frequency modulated continuous wave sequence, and transmit the first frequency modulated continuous wave sequence, where the first frequency modulated continuous wave sequence includes N frequency modulated continuous waves, N is an integer greater than or equal to 1, and a product of a time domain position and a corresponding frequency domain position in a first frequency modulated continuous wave in the N frequency modulated continuous waves meets a first condition.

Abstract: Example signal transmission methods, apparatuses, systems, and computer storage media are disclosed. One example method includes obtaining, by a first detection apparatus, a first moment, where the first moment is a start moment of a first time unit, and the first time unit is used for the first detection apparatus to send a first signal. The first signal is sent by the first detection apparatus based on a first periodicity, where the first signal is used to indicate sending resource information of a detection signal, and the first time unit is further used for a second detection apparatus to receive the first signal.

Abstract: A communications method includes a first communications device that communicates a first signal on a first time domain resource in a first time unit, communicates a second signal on a third time domain resource in a second time unit, communicates a fourth signal on a second time domain resource in the first time unit, and communicates a third signal on a fourth time domain resource in the second time unit. The first time unit successively includes, in time domain, the first time domain resource, a first guard period, the second time domain resource, and a second guard period that are consecutive in time domain, and the second time unit successively includes, in time domain, the third time domain resource, a third guard period, the fourth time domain resource, and a fourth guard period that are consecutive in time domain.