A multi-antenna tire-pressure monitoring system with automatically positioning function includes tire-pressure sensors, a receiver and a central processing unit. The tire-pressure sensors are installed on tires of a vehicle, respectively, and each tire is installed with at least one tire-pressure sensor. Each tire-pressure sensor has a signal transmitting unit, the receiver includes two antennas and a built-in receiver control unit. A first phase angle and a second phase angle are formed between the signals transmitted from each tire-pressure sensor and the two antennas, the receiver control unit receives the first phase angle and the second phase angle, and the arithmetic unit calculates phase-difference parameter values, to determine the positions of the tires, the signal receiving unit built in the central processing unit receives and displays the information calculated by the arithmetic unit of the receiver, so as to complete positioning for the tires.

A vehicle antenna includes a conductor plate, a radiator plate facing the conductor plate, a feeding portion located on a same side as the conductor plate with respect to the radiator plate, a connection conductor connecting the feeding portion and the radiator plate, and a first element and a second element arranged away from each other on both sides in a vehicle-width direction of a vehicle with respect to the radiator plate, wherein the radiator plate is arranged at an inclination of equal to or less than ±15 degrees with respect to a vertical plane perpendicular to a horizontal plane.

An access system for a vehicle is provided. The access system includes antennas and an access module. The antennas are configured to each receive a signal transmitted from a portable access device to the vehicle. The signal is transmitted on a 2.4 gigahertz frequency. The access module is configured to: downconvert the received signal to generate an in-phase signal and a quadrature phase signal; perform carrier phase based ranging including implementing a music algorithm to (i) determine a distance between the portable access device and the vehicle, and (ii) determine angles of arrival of the received signal as received at the antennas; determine a location of the portable access device relative to the vehicle based on the distance and the angles of arrival; and permit access to the vehicle based on the location.

A wireless communication device includes an antenna, a communication module and a shield case. The antenna is disposed on an antenna board. The communication module is connected to the antenna and executes a wireless communication. The shield case stores the communication module inside the shield case. The antenna board is disposed to be in thermal contact with the shield case.

The present invention relates to a vehicle-to-X communication system for a vehicle. The vehicle-to-X communication system comprises a first communication module having a first antenna, wherein the first antenna has a first communication angle; a second communication module having a second antenna, wherein the second antenna has a second communication angle; wherein the first communication module and the second communication module are arranged in such a manner that the first antenna and the second antenna are oriented in different directions, in order to obtain a total communication angle which is composed of the first communication angle and the second communication angle.

Embodiments are disclosed for an example telematics system for a vehicle. The example telematics system comprises a plurality of antennae capable of sending and receiving wireless signals, the plurality of antennae including a primary antenna and a backup antenna positioned adjacent to the primary antenna. The primary antenna comprises a three-dimensional antenna, and the backup antenna comprises a two-dimensional antenna.

A method for a detection and classification of gestures using a radar system, particularly of a vehicle. A detection information of the radar system is provided, wherein the detection information is specific for signals received from different antenna units of an antenna array of the radar system. At least one phase-difference information is determined from the detection information, wherein the phase-difference information is specific for a phase-difference of the received signals. A neural network is applied with the phase-difference information as an input for the neural network to obtain a result specific for the detection and classification of the gestures.

An antenna module to be provided to a vehicle includes: an array antenna configured to form a beam directed from an aperture provided in an exterior body panel of the vehicle, toward a vehicle outside; and a housing holding the array antenna in a vehicle inside.

An access system for a vehicle is provided and includes antennas and an access module. The antennas are configured to each receive a signal transmitted from a portable access device to the vehicle. One of the antennas is a circular polarized antenna. The access module is configured to: downconvert the received signal to generate an in-phase signal and a quadrature phase signal; execute a music algorithm to determine angles of arrival of the received signal as received at the antennas; determine a distance between the portable access device and the vehicle based on the angles of arrival; and permit access to the vehicle based on the distance.

The present disclosure relates to: a communication technique for converging an IoT technology with a 5G communication system for supporting a higher data transmission rate beyond a 4G system; and a system therefor. Specifically, the present invention provides a glass structure comprising: a glass formed to be permeable to radio waves; and a lens disposed on one side of the glass so as to change the incident angle of radio waves incident to the one side of the glass.