The radar transceiver assembly configured to reduce ghost lobes and narrow the receive beams so as to provide a better image resolution relative to current radar transceiver assemblies is provided. The radar transceiver assembly includes a first transceiver chip and a second transceiver chip mounted on opposite sides of the substrate. The accordingly, space on the first support surface may be utilized for antennas. The first array of transmit antennas and first array of receive antennas is interleaved with the second array of transmit antennas and the second array of receive antennas. The second array of transmit antennas and the second array of receive antennas are electrically coupled to the second transceiver chip via a coupling structure.

This document describes a twin line fed dipole array antenna that may be coupled to several different types of feed networks in a space-efficient manner. The antenna makes use of a twin line feed to a plurality of dipoles that minimizes cross-polarization. The antenna may be manufactured on a printed circuit board (PCB) and has a centered feed slot that is easily coupled to several different types of waveguides or a microstrip. In some implementations, the dipole elements may have an approximately rectangular shape. In other implementations, the dipole elements may have an approximately bowtie shape, round shape, oval shape, C-shape, or L-shape. The size and placement of the dipole elements may be optimized for certain operating frequencies of the radar system to which the antenna is coupled.

An LNB downconverter comprising: two LNBs configured to receive their respective satellite signals: the first and second LNB being configured to output, four IF signals of different polarization and frequency range to a respective first and second Cross-bar Switch (CBS); wherein the first and second CBS, are configured to accept four RF inputs, and routing them, to any of four outputs, as configured by a Controller: wherein outputs of CBSs are connected to respective Satellite Channel Routers (SCRs) configured by the Controller to shift the frequency of their input signals to fixed intermediate frequencies; wherein outputs of SCRs are connected to respective Band Pass Filters (BPFs) whereas the fixed intermediate frequencies of SCRs are different and wherein the band passed by each BPF is non-overlapping; an Adder adding the signals on different frequencies, output by each BPF, to form a single output signal comprising data from both satellite signals.

Methods and systems are described for providing end-to-end beamforming. For example, end-to-end beamforming systems include end-to-end relays and ground networks to provide communications to user terminals located in user beam coverage areas. The ground segment can include geographically distributed access nodes and a central processing system. Return uplink signals, transmitted from the user terminals, have multipath induced by a plurality of receive/transmit signal paths in the end to end relay and are relayed to the ground network. The ground network, using beamformers, recovers user data streams transmitted by the user terminals from return downlink signals. The ground network, using beamformers generates forward uplink signals from appropriately weighted combinations of user data streams that, after relay by the end-end-end relay, produce forward downlink signals that combine to form user beams.

A microcomponent massive MIMO array is presented. The microcomponent massive array includes a general purpose processor and an integrated power amplifier and transmitter device including a software defined radio (SDR) and a plurality of polar power amplifiers (PAs) disposed on a single integrated circuit, wherein the integrated power amplifier and transmitter device is in communication with the general purpose processor. The microcomponent massive MIMO array further includes an antenna array in communication with the integrated power amplifier and transmitter device.

Antenna systems with a frequency range 2 (FR2) antenna array integrated into a frequency range 1 (FR1) antenna are provided. In certain embodiments, a mobile device includes an antenna configured to handle a first radio frequency signal of a first frequency, the antenna including an antenna array configured to handle a plurality of second radio frequency signals of a second frequency that is greater than the first frequency. The mobile device further includes a front end system including a first signal conditioning circuit connected to the antenna and configured to condition the first radio frequency signal, and a plurality of second signal conditioning circuits connected to the antenna array and configured to condition the plurality of second radio frequency signals.

A device comprising: a substrate; a semiconductor die mounted on the substrate; a transmit antenna fabricated on the substrate and configured to transmit radio-frequency (RF) signals at least at a first center frequency; a receive antenna fabricated on the substrate and configured to receive RF signals at least at a second center frequency different than the first center frequency; and circuitry integrated with the semiconductor die and configured to provide RF signals to the transmit antenna and to receive RF signals from the receive antenna.

The present disclosure improves an antenna characteristic related to high-frequency radio waves. An antenna device includes a first line antenna which includes a straight first feeder line, and a plurality of first antenna elements, each connected at an end to the first feeder line and extending perpendicularly from the first feeder line, and a second line antenna which includes a second feeder line and a plurality of second antenna elements that are line symmetry from the first line antenna with respect to an imaginary line parallel to the first feeder line as an axis of symmetry.

The present invention discloses a planar antenna microwave module, including an oscillation circuit board and a planar antenna board. The oscillation circuit board is a double-sided printed circuit board. The planar antenna board is a double-sided PCB independent of the oscillation circuit board. PCB copper foil of the planar antenna board forms a transmitting/receiving planar antenna. The planar antenna is laminated on a bottom surface of the oscillation circuit board by using a solder joint that runs through and electrically connects two layers of PCB copper foil, and is electrically connected to the oscillation circuit board through the solder joint. The antenna boards in the present invention are of independent and separate structures, and have a small design size, a simple manufacturing process, a short production cycle, low costs, and high economic benefits.

A multiple co-frequency microwaves detection antenna includes an oscillation circuit unit, a reference ground and at least two radiation sources. The radiation sources each has a feed point and are arranged spacedly at the reference ground. A radiation gap is formed between each of the radiation sources and the reference ground. The feed point of the radiation source is electrically connected to the oscillating circuit unit.