A laser direct structure (LDS) antenna assembly is provided. The LDS antenna assembly includes a carrier having a first portion formed from a first resin and a second portion formed from a second resin that is different than the first resin. The LDS antenna assembly further includes an LDS antenna disposed on the carrier. The LDS antenna assembly includes a component coupled to the LDS antenna via a connection point positioned on a surface of the first portion of the carrier such that the component is in electrical communication with the LDS antenna via the connection point.

Disclosed are a dynamic antenna group and a terminal device including the same. The dynamic antenna group may be applied to a terminal device, and include: at least two antenna radiators; and a coupling radiator, coupled with the at least two antenna radiators, a tuning component is arranged between the coupling radiator and an electrical ground.

An end-fire antenna for wideband low form factor applications includes a first metal layer, a second metal layer, and a dielectric layer disposed between the first and second metal layers. An open cavity formed in the dielectric layer that is filled with air, the cavity defined by a pair of sidewalls that extend from an aperture of the cavity to a rear wall of the cavity, where the depth of the aperture is defined between the aperture and the rear wall. The cavity is formed by selecting the width of the aperture of the cavity and the depth of the cavity such that the antenna achieves the same gain during operation irrespective of a variation in the thickness of the antenna.

Provided is a diversity antenna and an electronic device including the same. The diversity antenna according to various example embodiments includes a plurality of radiation elements having a tubular shape with apertured upper and lower portions, and a connection plate configured to connect the plurality of radiation elements to each other, the plurality of radiation elements is arranged in a vertical direction coaxially, and the connection plate includes an aperture configured to allow a power supply line to pass through.

A tool is provided with a connector that can be configured to removably receive a corresponding connector of an extender having an antenna to electrically connect the extender to the tool. With the connector of the tool electrically connected to the connector of the extender, the controller can be configured to utilize the antenna.

An operating method of a power estimation apparatus comprising a fixed antenna and a mobile antenna may comprise: a first operation of obtaining N measurement values by receiving a signal from signal sources using the fixed antenna and the mobile antenna that moves at a speed v from a first point to an Nth point; a second operation of generating a two-dimensional (2D) data collection set comprising N×M measurement values, by repeating the first operation M times; applying an approximation singular value decomposition (SVD) algorithm to the 2D data collection set; and obtaining information of the signal sources based on an application result of the approximation SVD algorithm, wherein N and M are natural numbers.

An antenna structure of reduced size but operating at multiple frequencies, applied to an electronic device, includes a housing, a system ground plane, and a first feed point. The housing has at least one portion made of metal material and defines a first gap and a second gap. The housing between the first gap and the second gap forms a first radiation portion. The system ground plane is positioned in the housing and defines a first slit. The first slit corresponds to the first radiation portion and communicates with the second gap. The first feed point is positioned on the first radiation portion and is electrically connected to a first feed source for feeding current and signal to the first radiation portion.

A system, in an active reflector device, adjusts a first amplification gain of each of a plurality of radio frequency (RF) signals received at a receiver front-end from a first equipment via a first radio path of an NLOS radio path. A first phase shift is performed on each of the plurality of RF signals with the adjusted first amplification gain. A combination of the plurality of first phase-shifted RF signals is split at a transmitter front-end. A second phase shift on each of the split first plurality of first phase-shifted RF signals is performed. The plurality of RF signals as a directed beam is transmitted to a second equipment via a second radio path of the NLOS radio path.

A handheld device includes a metal frame, two switches, and an antenna feedpoint, where two slits are disposed at the metal frame; the slits divide the metal frame into a left frame, a middle frame, and a right frame; two sides of each slit are bridged by one switch, where one of the switches is in a connected state, the other of the switches is in a disconnected state, and the two switches perform state switching when a user's finger connects a slit corresponding to the switch in a disconnected state; and the antenna feedpoint is electrically connected to the middle frame, and the left frame and the right frame are grounded, to form an antenna.

A signal enhancement device includes a back cover and an antenna module. The back cover includes a backboard for covering a rear surface of a main body and a top board for covering a top of the main body. The antenna module includes a base portion of board shape for being fixed on a portion of an inside surface of the backboard adjacent to the top board, a first bending portion for being fixed on an inside surface of the top board, a second bending portion for being fixed on a front end surface of the top board, and a third bending portion for being fixed on an outside surface of the top board and a portion of an outside surface of the backboard adjacent to the top board. When the signal enhancement device is mounted on the main body, the antenna module is capable of coupling with a communication antenna of the main body so as to enhance signal quality of the communication antenna.