H01Q1/26

Electronic device comprising plurality of transmit antennas and wireless communication control method using same

Various embodiments of the present invention relate to an electronic device comprising a wireless communication circuit, and a portable communication device. An electronic device, according to one embodiment, comprises: a housing including a side member that forms the sides of the electronic device; a touchscreen display which is at least partially housed in the housing so as to be visually exposed to the outside; a first conductive portion formed from a first portion of the side member; a second conductive portion formed from a second portion of the side member, opposite to the first portion when viewed from the top of the touch screen display exposed to the outside; and at least one wireless communication circuit electrically connected to a first point within the first portion and a second point within the second portion, wherein the at least one wireless communication circuit can be configured to support transmit diversity by generating a first signal having a first phase of a primary configuration carrier and a second signal having a second phase of the primary configuration carrier, transmitting the first signal through the first conductive portion, and transmitting the second signal through the second conductive portion. Other various embodiments are possible.

Method for separately biasing power amplifier for additional power control

An apparatus includes a phased array antenna panel and one or more beam former circuits mounted on the phased array antenna panel. The phased array antenna panel generally comprises a plurality of antenna elements. The plurality of antenna elements are generally arranged in one or more groups. Each beam former circuit may be coupled to a respective group of the antenna elements. Each beam former circuit generally comprises a plurality of transceiver channels. Each transceiver channel generally comprises a power amplifier circuit configured, when operating in a transmit mode, to drive a respective one of the antenna elements. The power amplifier circuit generally comprises separate bias and voltage supply inputs providing additional power control.

Method for separately biasing power amplifier for additional power control

An apparatus includes a phased array antenna panel and one or more beam former circuits mounted on the phased array antenna panel. The phased array antenna panel generally comprises a plurality of antenna elements. The plurality of antenna elements are generally arranged in one or more groups. Each beam former circuit may be coupled to a respective group of the antenna elements. Each beam former circuit generally comprises a plurality of transceiver channels. Each transceiver channel generally comprises a power amplifier circuit configured, when operating in a transmit mode, to drive a respective one of the antenna elements. The power amplifier circuit generally comprises separate bias and voltage supply inputs providing additional power control.

DIPOLE ANTENNA FED BY PLANAR BALUN

A dipole antenna fed by a planar balun includes a first radiation element and a second radiation element respectively corresponding to poles of the dipole antenna, at least one dipole support column configured to connect the first radiation element and the second radiation element and to fix a gap between the first radiation element and the second radiation element, a planar balun connected to the first radiation element and the second radiation element and configured to feed the first radiation element and the second radiation element, and a balun housing coupled to the dipole support column and enclosing the planar balun.

DIPOLE ANTENNA FED BY PLANAR BALUN

A dipole antenna fed by a planar balun includes a first radiation element and a second radiation element respectively corresponding to poles of the dipole antenna, at least one dipole support column configured to connect the first radiation element and the second radiation element and to fix a gap between the first radiation element and the second radiation element, a planar balun connected to the first radiation element and the second radiation element and configured to feed the first radiation element and the second radiation element, and a balun housing coupled to the dipole support column and enclosing the planar balun.

Wideband laser-induced plasma filament antenna with modulated conductivity

An antenna comprising: a radio frequency (RF) coupler; a transceiver communicatively coupled to the RF coupler; a laser configured to generate a plurality of femtosecond laser pulses so as to create, without the use of high voltage electrodes, a laser-induced plasma filament (LIPF) in atmospheric air, wherein the laser is operatively coupled to the RF coupler such that RF energy is transferred between the LIPF and the RF coupler; and wherein the laser is configured to modulate a characteristic of the laser pulses at a rate within the range of 1 Hz to 1 GHz so as to modulate a conduction efficiency of the LIPF thereby creating a variable impedance LIPF antenna.

Wideband laser-induced plasma filament antenna with modulated conductivity

An antenna comprising: a radio frequency (RF) coupler; a transceiver communicatively coupled to the RF coupler; a laser configured to generate a plurality of femtosecond laser pulses so as to create, without the use of high voltage electrodes, a laser-induced plasma filament (LIPF) in atmospheric air, wherein the laser is operatively coupled to the RF coupler such that RF energy is transferred between the LIPF and the RF coupler; and wherein the laser is configured to modulate a characteristic of the laser pulses at a rate within the range of 1 Hz to 1 GHz so as to modulate a conduction efficiency of the LIPF thereby creating a variable impedance LIPF antenna.

Method to improve power amplifier output return loss and back-off performance with RC feedback network

An apparatus includes a plurality of transmitter channels and a plurality of feedback networks. Each of the plurality of transmitter channels may be coupled to a respective antenna element in a respective group of antenna elements of a phased array antenna. Each of the transmitter channels generally comprises a power amplifier circuit configured to drive the respective antenna element in the respective group of antenna elements to produce and steer a radio-frequency beam. Each of the plurality of feedback networks may be coupled between an output and an input of a respective power amplifier circuit of a respective transmitter channel. Each of the feedback networks generally comprises a resistor and a capacitor connected in series. The respective power amplifier circuit with the feedback network generally maintains a power matching condition with load variation associated with performing beam steering of the radio-frequency beam using the antenna elements of the phased array antenna.

Method to improve power amplifier output return loss and back-off performance with RC feedback network

An apparatus includes a plurality of transmitter channels and a plurality of feedback networks. Each of the plurality of transmitter channels may be coupled to a respective antenna element in a respective group of antenna elements of a phased array antenna. Each of the transmitter channels generally comprises a power amplifier circuit configured to drive the respective antenna element in the respective group of antenna elements to produce and steer a radio-frequency beam. Each of the plurality of feedback networks may be coupled between an output and an input of a respective power amplifier circuit of a respective transmitter channel. Each of the feedback networks generally comprises a resistor and a capacitor connected in series. The respective power amplifier circuit with the feedback network generally maintains a power matching condition with load variation associated with performing beam steering of the radio-frequency beam using the antenna elements of the phased array antenna.

Electronic switch and active artificial dielectric

A electrical switch has a first substrate, a first conducting layer disposed on the first substrate, a first dielectric layer disposed on the first conducting layer and a second conducting layer disposed on the first dielectric layer, and the second conducting layer disposed on the second substrate, and a conductive via connected to the first conducting layer and extending through the first dielectric layer. Active dielectric has a first conductor, a first dielectric layer disposed on the first conducting layer, one or more electrical switches disposed on the first dielectric layer, a dielectric layer disposed between neighboring electrical switches, the second dielectric layer disposed on the last electrical switch, and the second conducting layer disposed on the second dielectric layer.