Methods, apparatuses, and computer programs are provided for SRS for positioning resource overhead reduction in multi-RTT. A method for a UE includes receiving an initial configuration of a plurality of sounding reference signal for positioning resources; measuring a downlink positioning reference signal received from one or more cells; determining one or more transmission beams based on reception beams used for receipt of the downlink positioning reference signal from the one or more cells; wherein the determining of the one or more transmission beams comprises a reduction of at least one beam resource associated with a sounding reference signal for positioning; and transmitting an updated sounding reference signal for positioning configuration with information about the determined one or more transmission beams. Methods are also provided for a radio node and for an LMF.

A transceiver may wirelessly transmit a communication signal at a first frequency and a sensing signal at a second frequency. The communication signal may include a command that causes a backscatter node to modulate impedance of an antenna, and thereby modulate reflectivity of the backscatter node. The communication signal may also deliver wireless power to the backscatter node. While the impedance is being modulated in response to the command, the transceiver may transmit the sensing signal and measure wireless reflections. The power of the sensing signal may be much lower than that of the communication signal. The transceiver may frequency hop the sensing signal in a wide band of frequencies and take measurements at each frequency in the hopping. Based on the measurements, a computer may determine time-of-flight or phase of a reflected signal from the backscatter node and may estimate location of the backscatter node with sub-centimeter precision.

A method for detecting conflicts in the II/SI identification code of radars nearby a secondary mode-S radar, includes at least: a first step wherein the radar detects unsolicited unsynchronized replies, i.e. fruits, in a region of extended radar coverage; a second step wherein the radar detects a conflict in II/SI code by analyzing geographic regions of radar coverage common to the radar and to at least one nearby radar, a conflict being detected if the radar: detects, in the region of extended coverage, the presence of fruits that have as source the nearby radar; observes the absence of fruits caused by the nearby radar in that region of radar coverage of the radar which does not overlap with the region of radar coverage of the nearby radar; the region of overlap between the radar coverage of the radar and the radar coverage of the nearby radar forming a region of conflict in II/SI code.

Various embodiments relate to a next generation wireless communication system for supporting a higher data transfer rate and the like beyond the 4th generation (4G) wireless communication system. According to various embodiments, a method for transmitting/receiving a signal in a wireless communication system and an apparatus supporting same may be provided, and various other embodiments may also be provided.

Disclosed are aspects of methods performed by an onboard unit of a vehicle and aspects of apparatuses that include an onboard unit of a vehicle to perform the methods. An example of the method includes, for each of a plurality of vehicle positions on a road, determining a direct distance between the vehicle position and a position of a roadside unit. The method also includes determining, based on the determined direct distance, a planar distance between the vehicle position in a horizontal plane containing the vehicle position and a projection of a position of the roadside unit onto a plane of the road. The determining of the planar distance is performed based on a height of the roadside unit relative to a ground level of the road.

An example electronic device may include a wireless communication circuit and a sensor, and at least one processor configured to be adaptively connected to the wireless communication circuit and the sensor. The processor may be configured to obtain data about a detectable area for an object, based on a UWB measurement signal transmitted using the wireless communication circuit, obtain a confidence level for the data about the detectable area, adjust a threshold value of the confidence level according to propagation environment information obtained using the wireless communication circuit, and filter and output the data about the detectable area, based on the adjusted threshold value of the confidence level.

An example electronic device may include a wireless communication circuit and a sensor, and at least one processor configured to be adaptively connected to the wireless communication circuit and the sensor. The processor may be configured to obtain data about a detectable area for an object, based on a UWB measurement signal transmitted using the wireless communication circuit, obtain a confidence level for the data about the detectable area, adjust a threshold value of the confidence level according to propagation environment information obtained using the wireless communication circuit, and filter and output the data about the detectable area, based on the adjusted threshold value of the confidence level.

To provide a control device and control method that make it possible to reduce inter-device authentication failure.

Provided is a control device including a control section configured to execute an authentication process of authenticating another device on the basis of information for authentication acquired from the other device. The control section starts the execution of the authentication process in the case where a predetermined trigger is acquired.

A distance estimation device includes a mobile terminal transmitting a radio wave and an in-vehicle device. The in-vehicle device includes a direction determination unit having a receiver, a distance measurement unit, and a correction unit. The receiver receives the radio wave and is arranged on a side of the vehicle. The direction determination unit determines a direction from which the radio wave comes based on a signal strength of the received radio wave. The distance measurement unit receives the radio wave and measures a distance from an installation position of the distance measurement unit to the mobile terminal based on information other than a signal strength of the received radio wave. The correction unit corrects the measured distance to be a distance from an edge of the vehicle to the mobile terminal based on the determined direction and the installation position.

In a wireless access node, a radio receives measurement reports from wireless User Equipment (UEs) that indicate past radio measurements taken at measurement locations. Baseband circuitry processes the measurement reports to determine radio metric variances at the measurement locations. The baseband circuitry determines UE locations for the wireless UEs. The baseband circuitry selects measurement time periods for the wireless UEs based on the radio metric variances at the measurement locations that correspond to the UE locations for the wireless UEs. The radio wirelessly transfers the selected measurement time periods to the wireless UEs. The wireless UEs use the selected measurement time periods to take the future radio measurements at the UE locations.