Abstract: A radio device includes a first antenna array and an actuator. The first antenna array is configured to transmit a radiation beam to a remote device. The actuator is configured to change an orientation of the first antenna array, whereby a beam direction of the radiation beam is changed according to a change of the orientation of the first antenna array. The beam direction of the radiation beam is adjusted according to a beam steering mechanism performed by the first antenna array.

Abstract: A method for evaluating radio performance of a device under test (DUT) comprises the following steps. A first set of points, a second set of points and a third set of points are defined to locate on a sphere surrounding the DUT. A signal power of the DUT is evaluated at the first set of points to identify a first region related to the first set of points. Candidates of the second set of points are selected based on the first region. The signal power of the DUT is evaluated at the candidates of the second set of points to identify a second region related to the second set of points. Candidates of the third set of points are selected based on the second region. The signal power of the DUT is evaluated at the candidates of the third set of points to identify a beam peak.

Abstract: An antenna module, comprising: a substrate; at least one first antenna array, located on the substrate, comprising at least one first antenna and having a first maximum radiation direction; and at least one second antenna array, located on the substrate, comprising at least one second antenna and having a second maximum radiation direction. A communication device using the antenna module is also disclosed.

Abstract: A testing method for determining radiation performance of a device under test (DUT) is disclosed. The testing method comprises the following steps. The DUT is arranged at a first orientation. A first effective isotropic radiated power (EIRP) and a first effective isotropic sensitivity (EIS) of the DUT are measured at the first orientation. The DUT is arranged at a second orientation different from the first orientation, and a second EIRP of the DUT is measured at the second orientation. A second EIS of the DUT is measured at the second orientation according to a correlation between the first EIRP, the first EIS and the second EIRP.

Abstract: An antenna device includes a substrate, a feed line and an antenna. The substrate is formed with a non-opaque material. The feed line is disposed at the substrate and has a first terminal and a second terminal. The antenna is disposed at the substrate, electrically connected to the first terminal of the feed line, and is used to access a wireless signal. The second terminal of the feed line is electrically connected to a chip disposed on the substrate.

Abstract: An antenna device includes a substrate, a feed line and an antenna. The substrate is formed with a non-opaque material. The feed line is disposed at the substrate and has a first terminal and a second terminal. The antenna is disposed at the substrate, electrically connected to the first terminal of the feed line, and is used to access a wireless signal. The second terminal of the feed line is electrically connected to a chip disposed on the substrate.

Abstract: A multi-band antenna array includes first antenna elements and second antenna elements. Each first antenna element has a first shape spanned by a first long axis and a first short axis, the first long axis being longer than and perpendicular to the first short axis. Each second antenna element has a second shape spanned by a second long axis and a second short axis, the second long axis being longer than and perpendicular to the second short axis. The first long axis is non-parallel to the second long axis. The first antenna element and the second antenna element resonate at a high resonance frequency band along the first long axis and the second long axis, respectively, and the first antenna element and the second antenna element further resonate at a low resonance frequency band along the first short axis and the second short axis, respectively.

Abstract: The present invention provides an antenna system for a user equipment (UE). The antenna system may include a housing of the UE and a radiated module including a first quantity of radiators. The housing may include a second quantity of openings. The radiated module may be arranged to excite the housing for wireless signaling at a target band; at the target band, a performance of the antenna system may be better than a performance of the radiated module alone without the housing.

Abstract: A multi-band antenna array includes first antenna elements and second antenna elements. Each first antenna element has a first shape spanned by a first long axis and a first short axis, the first long axis being longer than and perpendicular to the first short axis. Each second antenna element has a second shape spanned by a second long axis and a second short axis, the second long axis being longer than and perpendicular to the second short axis. The first long axis is non-parallel to the second long axis. The first antenna element and the second antenna element resonate at a high resonance frequency band along the first long axis and the second long axis, respectively, and the first antenna element and the second antenna element further resonate at a low resonance frequency band along the first short axis and the second short axis, respectively.

Abstract: A portable electronic device is provided. The portable electronic device includes a housing, a circuit board, an amplifier, an antenna and a short element. The circuit board is disposed in the housing, wherein the circuit board includes a first edge and a second edge, and the first edge is opposite to the second edge. The amplifier is disposed on the circuit board and adjacent to the first edge. The antenna is disposed on the second edge of the circuit board, wherein the antenna transmits a wireless signal. The short element is disposed on the second edge of the circuit board, wherein the short element is separated from the antenna, and the short element couples with the antenna to reduce Specific Absorption Rate (SAR) value around the amplifier.

Abstract: An antenna module is provided. The antenna module includes a radiator, a feed pin, a ground element, a first parasitic arm, a second parasitic arm and an impedance matching unit. The radiator includes a first section and a second section, wherein an end of the first section is connected to the second section, and the first section is perpendicular to the second section. The feed pin is connected to another end of the first section. The first parasitic arm is parallel to the second section, wherein an end of first parasitic arm is connected to the ground element, and the first parasitic arm couples with the second section of the radiator. The impedance matching unit is connected to the second section and the ground element. The second parasitic arm is partially parallel to the first section, and the second parasitic arm couples with the first section of the radiator, and an end of the second parasitic arm is connected to the ground element.

Abstract: An antenna is provided. The antenna includes a radiator, a feed conductor and a ground conductor. The radiator includes a body and a parasitic element. An aperture is formed on the body, and the body encloses the aperture. The parasitic element is connected to the body and extended into the aperture, wherein the parasitic element is connected to the body at a parasitic location. The feed conductor is connected to the body, wherein a signal, fed to the body by the feed conductor, travels on the body, and passes the parasitic location to the parasitic element. The ground conductor is connected to the body.

Abstract: An antenna module is provided. The antenna module includes a radiator, a feed pin, a ground element, a first parasitic arm, a second parasitic arm and an impedance matching unit. The radiator includes a first section and a second section, wherein an end of the first section is connected to the second section, and the first section is perpendicular to the second section. The feed pin is connected to another end of the first section. The first parasitic arm is parallel to the second section, wherein an end of first parasitic arm is connected to the ground element, and the first parasitic arm couples with the second section of the radiator. The impedance matching unit is connected to the second section and the ground element. The second parasitic arm is partially parallel to the first section, and the second parasitic arm couples with the first section of the radiator, and an end of the second parasitic arm is connected to the ground element.

Abstract: A portable electronic device is provided. The portable electronic device includes a housing, a circuit board, an amplifier, an antenna and a short element. The circuit board is disposed in the housing, wherein the circuit board includes a first edge and a second edge, and the first edge is opposite to the second edge. The amplifier is disposed on the circuit board and adjacent to the first edge. The antenna is disposed on the second edge of the circuit board, wherein the antenna transmits a wireless signal. The short element is disposed on the second edge of the circuit board, wherein the short element is separated from the antenna, and the short element couples with the antenna to reduce Specific Absorption Rate (SAR) value around the amplifier.

Abstract: An antenna is provided. The antenna includes a radiator, a feed conductor and a ground conductor. The radiator includes a body and a parasitic element. An aperture is formed on the body, and the body encloses the aperture. The parasitic element is connected to the body and extended into the aperture, wherein the parasitic element is connected to the body at a parasitic location. The feed conductor is connected to the body, wherein a signal, fed to the body by the feed conductor, travels on the body, and passes the parasitic location to the parasitic element. The ground conductor is connected to the body.

Abstract: A portable electronic device is provided. The portable electronic device includes a housing, a first circuit board, an antenna, a second circuit board and a metal sheet. The first circuit board is disposed in the housing, including a first ground element, a first edge and a second edge. The antenna is disposed on the first circuit board near to the first edge, wherein the antenna transmits a wireless signal, and a resonance current is generated on the first ground element. The second circuit board is disposed in the housing, including a second ground element and a third edge. The metal sheet is disposed in the housing, insulated from the first ground element, wherein the metal sheet is near to the second edge and the third edge, and the metal sheet couples the first ground element to guide the resonance current from the first ground element to the second ground element.

Abstract: A mobile communication device comprises an internal antenna device for receiving low-band signals of operating frequency band below 1 GHz, and the internal antenna device can be connected in series or parallel with an external antenna such as an earphone. The mobile communication device of the invention uses the internal antenna device for receiving low-band signals, enabling radio alarm function and timed recording of radio programs without plugging in an external earphone.

Abstract: An antenna apparatus having an antenna unit with length shorter than ¼ the operating wavelength. The antenna unit formed on a first plane can be arranged to set a first distance and a first angle with respect to a ground plane of the antenna apparatus, to tune and improve impedance matching between the antenna unit and a communication module coupled to the antenna unit. A mobile communication device using the antenna apparatus is also disclosed.

Abstract: A dual band antenna device operable in a first frequency band and a second frequency band is disclosed. The device comprises a first radiation body and a second radiation body. The first radiation body forms a single path with at least two bend portions. A portion of the second radiation body is parallel to a portion of the first radiation body in a specific distance. In addition, a wireless communication device and radio frequency chip having a built in dual band antenna device are also disclosed.

Abstract: An antenna apparatus having an antenna unit with length shorter than ¼ the operating wavelength. The antenna unit formed on a first plane can be arranged to set a first distance and a first angle with respect to a ground plane of the antenna apparatus, to tune and improve impedance matching between the antenna unit and a communication module coupled to the antenna unit. A mobile communication device using the antenna apparatus is also disclosed.