Space Exploration Technologies Corp.

Avago Technologies General IP (singapore) Pte. Ltd.

Broadcom Corporation

Avago Technologies International Sales Pte. Limited

Bagher Afshar

Masoud Kahrizi

Bernd Pregardier

Alex Ahmad Mirzaei

Ali Sajjadi

Seunghwan Yoon

Jesus Alfonso Castaneda

Tirdad Sowlati

Michael Boers

Saikat Sarkar

Omid Nasiby

Ka Shun Carson Pun

Igor Elgorriaga

Brima Babatunde Ibrahim

Bevin George Perumana

Ehsan Adabi Firouzjaei

Babak Vakili-Amini

Behzad Nourani

Michael John Inglis Boers

Alireza Tarighat Mehrabani

Payam Torab Jahromi

Sean Nicolson

In an embodiment, an apparatus includes a first digital beamformer (DBF) associated with a first subset of antennas of a phased array antenna, the first DBF including a transmit section associated with transmission of a first signal at a first frequency in a transmit mode and a receive section associated with receiving of a second signal at a second frequency in a receive mode, the second frequency being different from the first frequency. The apparatus includes a second DBF associated with a second subset of antennas of the phased array antenna. The first and second DBFs are configured to receive a local oscillator signal having the first frequency from a common local oscillator in the transmit mode and receive the local oscillator signal having the second frequency from the common local oscillator in the receive mode.

Half duplex mode digital beamforming device

In an embodiment, a device is included in a communications system, the device including a plurality of antenna elements configured in a phased array antenna; a plurality of integrated circuit (IC) chips, wherein each IC chip of the plurality of IC chips is associated with a respective subset of antenna elements of the plurality of antenna elements, and wherein, for each IC chip of the plurality of IC chips, the associated subset of antenna elements is used for transmitting and receiving radio frequency (RF) signals by the IC chip; and a local oscillator configured to generate a common local oscillator signal and provide the common local oscillator signal to each IC chip of the plurality of IC chips.

In an embodiment, a receiver included in a communications system includes a channel extractor configured to segregate a received signal into a plurality of channel signals, wherein the plurality of channel signals includes a plurality of data signals; and a plurality of decoders electrically coupled to the channel extractor and configured to decode each of the plurality of channel signals into a respective plurality of decoded data beam portions.

Channel extraction digital beamforming

In an embodiment, a receiver included in a communications system includes a channel extractor configured to segregate a received signal into a plurality of channel signals, wherein the plurality of channel signals includes a plurality of data signals; a plurality of phase shifters electrically coupled to the channel extractor and configured to decode each data signal of the plurality of data signals with a respective phase; and a plurality of time delay filters electrically coupled to the plurality of phase shifters and configured to decode each data signal of the plurality of data signals with a respective time delay, wherein the plurality of time delay filters outputs each subset of the plurality of data signals in a respective channel of the plurality of channels.

A system and apparatus is provided to reduce signal routing, area and signal loss in double-pole, double-throw (DPDT) switch implementations in wireless and millimeter-wave front ends. A cyclic staggered arrangement of receivers, transmitters and antenna ports connecting with DPDT switches reduce signal cross-over and allow for compact, low-loss multi-antenna configurations.

Cyclic staggered communications network with switched antenna polarization diversity

An electronic device includes circuitry configured to determine an antenna operation mode for one or more antenna arrays. The circuitry is further configured to control the one or more antenna arrays to operate in a combined antenna mode via a Wilkinson combiner. The circuitry is also configured to control the one or more antenna arrays to operate in an isolated antenna mode via a single-pole, multi-throw switch.

Reconfigurable 1:N wilkinson combiner and switch

A system and apparatus is provided to reduce signal routing, area and signal loss in double-pole, double-throw (DPDT) switch implementations in wireless and millimeter-wave front ends. A staggered arrangement of receivers, transmitters and antenna ports connecting with DPDT switches reduce signal cross-over and allow for compact, low-loss multi-antenna configurations.

Staggered network based transmit/receive switch with antenna polarization diversity

A device implementing the subject scalable radio frequency communication system includes one or more primary radio frequency integrated circuits (RFICs) and at least one secondary RFIC. Each of the one or more primary RFICs is configured to receive an intermediate frequency (IF) signal from a baseband processor, upconvert the IF signal to a radio frequency (RF) signal, and transmit the RF signal to one or more secondary RFICs. The secondary RFICs under each of the one or more primary RFICs are configured to receive the RF signal from the corresponding primary RFIC, phase shift and amplify the RF signal, and transmit the RF signal via a plurality of antenna elements.

Scalable radio frequency communication system

A transceiver circuit includes a transmitter to send communication signals and a receiver to receive communication signals sent by other transmitters. The transceiver circuit also includes a switch to connect the transmitter and the receiver to at least one antenna. The switch controls at least two directions of polarization of the at least one antenna.

Growing community of inventors

Irvine, CA, United States of America

Bagher Afshar