Abstract: Presented is a position-measuring device using UWB antenna, the position-measuring device distinguishing measurement targets positioned indoors from measurement targets positioned outdoors on the basis of UWB signals received from a plurality of UWB antennas. The presented position-measuring device includes: a first UWB antenna; a second UWB antenna; a third UWB antenna; a signal processing module which outputs a signal received from the first UWB antenna and a UWB signal received from at least one among the second UWB antenna and the third UWB antenna; and a position-measuring module which measures the position of the measurement target on the basis of the UWB signals output from the signal processing module.

Abstract: In a system for testing antenna performance, antenna performance is tested by reflecting the loss of a cable used in the antenna performance test. The system for testing antenna performance includes a tester having a test port, the test port being connected, via a cable, to an antenna that communicates with a terminal to be tested, in a shield box, when a test mode is set, wherein the tester outputs a test signal to the test port, receives a response signal corresponding to the test signal via the test port, and obtains a value, as a communication performance measurement value, by adding a calibration value to a reception signal strength of the response signal.

Abstract: An antenna module is proposed in which a slit and a through-hole for grounding are additionally formed in a single radiator such that the antenna module resonates in two frequency bands or expands the bandwidth around a reference resonant frequency. The proposed antenna module includes a radiator having a first slit, and the radiator is divided into a first region and a second region with respect to the first slit, wherein a plurality of first through-holes and a second slit are formed in the first region, a second through-hole is formed in the second region, and a power feeding pattern is connected to a region between the first slit and the second slit in the first region.

Abstract: Suggested is a combo antenna module configured to implement the same antenna performance as that of a combo antenna module having a general size, even in a state in which the size thereof is reduced by adjusting, within a set range, a distance at which magnetic sheets disposed on the top and the bottom of an antenna sheet are spaced apart. The suggested combo antenna module comprises: an antenna sheet; a top magnetic sheet disposed on the upper surface of the antenna sheet; and a bottom magnetic sheet disposed on the lower surface of the antenna sheet, wherein the top magnetic sheet includes a projecting region which overlaps with the bottom magnetic sheet while having the antenna sheet therebetween, and the top magnetic sheet and the bottom magnetic sheet are spaced apart at a distance within a set range at a side portion of the projecting region.

Abstract: The present invention relates to a waveguide comprising: a first body and a second body which are injected-molded, have metal-coated surfaces, and are connected in the up-down or left-right direction so as to form a transmission space in which radio waves can move in the longitudinal direction; and a first coupling surface and a second coupling surface which come into surface contact with each other when the first body and the second body are coupled, wherein the coupling surfaces are coupled through a coupling body, or by forming a bending structure in which protrusions and grooves formed on the coupling surfaces are engaged with each other.

Abstract: Proposed is a shield can in which slots are formed to define radiation regions resonating in at least one frequency band so as to enable the shield can to operate as an antenna while shielding electromagnetic waves. The proposed shield can comprises: a plurality of slits formed in the shield can to separate the shield can into a plurality of internal regions and an external region spaced apart from the plurality of internal regions; a shielding region that is the external region separated by the plurality of slits; and radiation regions that are the plurality of internal regions separated by the plurality of slits.

Abstract: The present invention suggests a radar antenna in which a rounded edge surface is formed in a receiving hole formed by an antenna body and a shielding frame. The suggested radar antenna comprises: an antenna body having a plurality of first slots formed on a first surface thereof; and a shielding frame through which reception holes for receiving the plurality of first slots are formed, the reception holes being arranged on the first surface of the antenna body to receive the plurality of first slots, wherein a corner at which the inner wall surface of the shielding frame is connected to the first surface of the antenna body is formed to have a round structure.

Abstract: Disclosed is a shield can which operates as an antenna for location determination while blocking electromagnetic waves by defining a shielding area and radiation areas which resonate in one or more frequency bands by forming a shielding pattern and a radiation pattern, and an electronic module comprising same. Here, the shield can comprises: a carrier, a shielding pattern plated on a portion of the surface of the carrier to form the shielding area; and a radiation pattern plated on a different portion of the surface of the carrier to form a plurality of radiation areas.

Abstract: Disclosed is a smart tracker for communicating with a parent terminal by Bluetooth communication and communicating with the parent terminal by ultra-wideband communication during positioning. The disclosed smart tracker comprises: a first housing; a second housing coupled to the first housing to form an inner space; a circuit board arranged in the inner space formed by the first housing and the second housing; a buzzer mounted on the lower surface of the circuit board; a battery mounted on a surface of the circuit board; a first antenna arranged on the upper surface of the circuit board and spaced from the areas on which the buzzer and the battery are mounted; and a second antenna arranged on the upper surface of the circuit board and spaced from the areas on which the buzzer and the battery are mounted and from the first antenna.

Abstract: Disclosed is an antenna performance test system for testing the performance of UWB and BLE antennas by reflecting a loss of a cable without changing test conditions. The disclosed antenna performance test system comprises a tester, which: responds to a first test mode setting signal so as to output, to a first antenna, a first test signal (a UWB band signal), and then generate a UWB communication performance measurement value based on a first response signal received from the first antenna and a second antenna with respect to the first test signal; and responds to a second test mode setting signal so as to output, to the first antenna, a second test signal(a BLE band signal), and then generate a BLE communication performance measurement value based on a second response signal received from the first antenna with respect to the second test signal.

Abstract: Presented is a system for testing antenna performance, in which antenna performance is tested by reflecting the loss of a cable used in the antenna performance test. The presented system for testing antenna performance comprises a tester having a test port, the test port being connected, via a cable, to an antenna that communicates with a terminal to be tested, in a shield box, when a test mode is set, wherein the tester outputs a test signal to the test port, receives a response signal corresponding to the test signal via the test port, and obtains a value, as a communication performance measurement value, by adding a calibration value to a reception signal strength of the response signal.

Abstract: Disclosed is a shield can for operating as an antenna while blocking electromagnetic waves by defining a radiation region resonating in one or more frequency bands according to the formation of slots. The disclosed shield can arranged on a printed circuit board to cover electronic components mounted on the printed circuit board comprises: a first slit formed in the shield can to divide the shield can into a first inner region and a first outer region spaced from the first inner region; a shielding region, which is the first outer region divided by means of the first slit; and a first radiation region which is the first inner region divided by means of the first slit.

Abstract: Proposed is a radar antenna to which detachable modules including one or more antennas are coupled. The proposed radar antenna comprises: a first detachable module in which one or more antennas are formed; and a second detachable module in which one or more antennas are formed, wherein a first side surface of the second detachable module is bonded to a first side surface of the first detachable module.

Abstract: A method for providing a location tracking service on the basis of context-aware information of a location tracker, according to the present invention, transmits a signal while changing a communication method by classify a situation as an emergency situation and a normal state which is a non-emergency situation according to the context-aware information of the location tracker, such that it is possible to use power consumption reduced by a low-power communication method in the normal state, and in case of the emergency situation, to safely handle the emergency situation through a sufficient power communication method.

Abstract: Suggested is an antenna module which maximizes a characteristic of isolation between two radiation patterns located adjacent to each other by forming a ground wall, by means of through-holes, at the radiation patterns. The suggested antenna module comprises: a first radiation pattern disposed on the upper surface of a base substrate; a second radiation pattern disposed on the upper surface of the base substrate while being spaced away from the first radiation pattern; a plurality of first through-holes arranged in parallel with one side of the first radiation pattern facing the second radiation pattern; and a plurality of second through-holes arranged in parallel with one side of the second radiation pattern facing the first radiation pattern.

Abstract: A transmitting and receiving antenna system of an LPWAN repeater, according to the present invention, comprise: a first antenna and a second antenna that become a transmitting antenna according to a use's setting; a switch coupled to each of the first antenna and the second antenna; a third antenna for reception; an RF receiving end connected to the third antenna for reception; and a control unit for controlling the RF transmitting end and the RF receiving end through switching of the switch, wherein the first antenna is a dipole antenna having multiple directionalities, the second antenna is a directional patch antenna for transmitting signals in one orientational direction, and the third antenna includes an omni-directional antenna.

Abstract: Disclosed is a waveguide having a first vertical transfer path formed at a lower plate coupled to a signal processing substrate, and having a horizontal transfer path and a second vertical transfer that are formed at an upper plate coupled to a radar antenna, and thus minimizing tolerance during assembly. The disclosed waveguide is constructed by stacking the upper plate on the upper surface of the lower plate, a first vertical through-hole is formed in the lower plate, a second vertical through-hole and a horizontal groove are formed in the upper plate, and the horizontal groove connects the first vertical through-hole and the second vertical through-hole to form a radio wave transfer path.

Abstract: Disclosed is a radar antenna having an antenna and a waveguide that are coupled using a jig on which a plurality of alignment pins are arranged, and thus minimizing tolerance during assembly. The disclosed radar antenna comprises: an alignment jig having a plurality of alignment pins; a circuit board having a plurality of first alignment holes through which the plurality of alignment pins penetrate, and being stacked on the upper surface of the alignment jig; a waveguide having a plurality of second alignment holes through which the plurality of alignment pins penetrate, and being stacked on the upper surface of the circuit board; and an antenna having a plurality of third alignment holes through which the plurality of alignment pins penetrate, and being stacked on the upper surface of the waveguide.

Abstract: Disclosed is a radar antenna which has a shielding space corresponding to each antenna of an antenna body by using an accommodation hole of a shielding member to prevent mutual coupling between antennas. The disclosed radar antenna comprises an antenna body which has a first surface and a second surface and in which a plurality first slot groups are formed to be spaced apart from each other on the first surface, and a shielding member which is stacked on the first surface of the antenna body and in which a plurality of accommodation holes are formed to respectively overlap the plurality of first slot groups.

Abstract: The present invention is to perform position estimation in relation to a vehicle and a key module by using an ultra-wideband (UWB) and, specifically, relates to a method and system for precise position estimation for a vehicle, whereby position can be estimated, with effects minimized that result from the type of the vehicle and the quality of exterior metal of the vehicle.