61 patents
Utility
Hierarchical network signal routing apparatus and method
2 Jan 24
In some embodiments, an apparatus includes a first layer having a first plurality of electrically conductive traces comprising a first portion of a plurality of hierarchical networks; a second layer having a second plurality of electrically conductive traces comprising a second portion of the plurality of hierarchical networks; and a plurality of vias electrically connecting the first plurality of electrically conductive traces of the first layer to the respective second plurality of electrically conductive traces of the second layer to define the plurality of hierarchical networks.
Souren Shamsinejad, Javier Rodriguez De Luis, Nil Apaydin, Alireza Mahanfar
Filed: 30 Apr 21
Utility
Integrated signal chain for an antenna assembly
12 Dec 23
An integrated signal chain includes a waveguide network defined by first and second waveguide layers forming a waveguide stack.
Anders Jensen, Samuel T. Reineman
Filed: 26 May 22
Utility
Antenna apparatus having antenna spacer
12 Dec 23
In one embodiment of the present disclosure, an antenna assembly includes a patch antenna array including an upper patch antenna layer, a lower patch antenna layer, and a spacer therebetween, wherein the spacer includes a plurality of apertures defined by cell walls, wherein the each aperture aligns with an upper patch antenna element and a lower patent antenna element from the patch antenna array.
David Milroy, Duncan E. Adams, Ersin Yetisir
Filed: 26 Oct 22
Utility
Spacecraft chassis and component configuration
5 Dec 23
A spacecraft chassis includes a chassis body defined by first and second opposing sides bound by a perimeter, wherein at least one heat-generating component is configured to be secured directly to the chassis body, and at least one heat dissipating feature configured to radiate heat generated from the at least one heat-generating component into outer space.
Joshua A. Dunford, Garrett P. Simard, Samuel T. Reineman, McKenzie W. Read, Brent Crabtree
Filed: 10 Nov 20
Utility
Channel extraction digital beamforming
14 Nov 23
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.
Alireza Mehrnia, Masoud Kahrizi, Alex Ahmad Mirzaei, Bagher Afshar, Ali Sajjadi, Bernd Pregardier, Ka Shun Carson Pun, Omid Nasiby, Igor Elgorriaga
Filed: 13 Sep 22
Utility
Channel aggregation digital beamforming
7 Nov 23
In an embodiment, an apparatus includes a digital beamforming section.
Alireza Mehrnia, Masoud Kahrizi, Ka Shun Carson Pun, Omid Nasiby, Alex Ahmad Mirzaei
Filed: 9 Sep 22
Utility
Antenna modules for phased array antennas
24 Oct 23
In some embodiments, an antenna module includes an antenna element having a first side and a second side opposite the first side, the first side comprising a radiating side of the antenna element and a support structure disposed at the second side of the antenna element and configured to define a cavity, the support structure including a portion configured to reduce signal leakage between the antenna element and the cavity.
Alireza Mahanfar, Souren Shamsinejad, Shaya Karimkashi Arani, Siamak Ebadi, Ersin Yetisir, Peter Sung Tri Hoang, Javier Rodriguez De Luis, Nil Apaydin
Filed: 22 Oct 21
Utility
System and method of providing a medium access control scheduler
24 Oct 23
A method of operating an uplink scheduler as part of a medium access control scheduler on a satellite includes selecting, from a plurality of user terminals, a first number of zero-bandwidth request user terminals from the plurality of user terminals, selecting, from the plurality of user terminals, a second number of non-zero-bandwidth request user terminals from the plurality of user terminals, binning the second number of non-zero-bandwidth request user terminals into a plurality of bins based on a respective bandwidth requirement for each non-zero-bandwidth request user terminal and based on a minimum user terminal grant and allocating, according to a grant allocation algorithm, a respective grant of radio resources in an uplink frame to each user terminal of the plurality of user terminals into a respective bin of the plurality of bins in an order associated with increasing bandwidth needs.
Jayasuryan V. Iyer, Khasim Shaheed Shaik Mahammad, Yashodhan Dandekar, Ramakrishna Akella, Chen Chen, Phillip E. Barber, Peter J. Worters
Filed: 3 Jun 21
Utility
Spacecraft stack assembly configured for stacking, securing, and releasing spacecraft
17 Oct 23
A system for securing spacecraft to a rocket and deploying the spacecraft into orbit includes a stack having a plurality of spacecraft arranged in layers, with each spacecraft being releasably mated with at least one spacecraft in an adjacent layer, and at least one hold down and deploy assembly configured to, in a first configuration, secure the layers of the stack together and secure the entire stack to the rocket, and, in a second configuration, release the entire stack from the rocket into orbit such that the layers passively separate.
Andrew C. Thompson, Patrick Sodt, Thomas Tarlton, Robert S. Tarlton, Michael Dergance
Filed: 10 May 20
Utility
System and method of providing an adaptive modulation and coding scheme
17 Oct 23
A method for downlink link adaptation includes receiving, from a satellite and at a user terminal, a first data packet data unit according to a first downlink modulation and coding scheme (MCS), computing an error vector magnitude data associated with the first data packet data unit, generating, based on one or more of the error vector magnitude data, user terminal signal-to-noise-ratio feedback based on a constant times a previous user terminal signal-to-noise-ratio and a current user terminal signal-to-noise-ratio, and transmitting an uplink packet data unit having a downlink block error rate and the user terminal signal-to-noise-ratio feedback.
Jayasuryan V. Iyer, Yashodhan Dandekar, Khasim Shaheed Shaik Mahammad, Ramakrishna Akella, Chen Chen, Phillip E. Barber, Peter J. Worters
Filed: 3 Jun 21
Utility
System and method for over-the-air antenna calibration
10 Oct 23
An antenna calibration system for a phased array antenna in accordance with one embodiment of the present disclosure generally includes: a beamformer lattice including at least first and second beamformers, each corresponding to a subset of antenna cells, and each including a calibration section for comparing a reference signal to a non-reference signal; and a first operating antenna within the subset of antenna cells corresponding with the first beamformer, wherein the first operating antenna is configured to deliver a first reference signal (mTx) from the first beamformer to be received by a second operating antenna for comparison with a first non-reference signal (Rx) in the first beamformer or in the second beamformer, and/or wherein the first operating antenna is configured to deliver a second non-reference signal (Tx) from a third operating antenna for comparison with a second reference signal (mRx) in the first beamformer or in the second beamformer.
Ersin Yetisir
Filed: 16 Sep 22
Utility
Initial network entry to a communications system
12 Sep 23
In an embodiment, a user terminal includes a connection manager component configured to generate an initial network entry request; an antenna assembly communicatively coupled to the connection manager and configured, in response to the initial network entry request, to find a satellite based on a search of a sky, wherein the satellite comprises a satellite assigned to downlink to a geographic cell associated with the user terminal; and a media access control (MAC) layer component communicatively coupled to the connection manager, the MAC layer component configured to generate an uplink radio frame including a random access channel (RACH) request associated with the initial network entry request at a particular portion of the uplink radio frame for the satellite, wherein the particular portion is selected by the MAC layer component from among a plurality of portions of the uplink radio frame.
Chen Chen, Darshan Purohit, Yashodhan Dandekar, Pavel Chikulaev, David Sacks, Peter J. Worters, Phillip E. Barber
Filed: 28 May 21
Utility
One-dimensional phased array antenna and methods of steering same
22 Aug 23
In one embodiment of the present disclosure, a method is provided for configuring an endpoint terminal for communication with a plurality of satellites in non-geosynchronous orbit.
Daniel A. Dueri, Raymond Tyler Rowe, Robert Baummer, Jr.
Filed: 18 Aug 21
Utility
Low latency schedule-driven handovers
15 Aug 23
Systems, methods, and non-transitory media are provided for low latency handovers.
Chen Chen, Pavel Chikulaev, Sergii Ziuzin, David Sacks, Peter J. Worters, Darshan Purohit, Yashodhan Dandekar, Vladimir Skuratovich, Andrei Pushkin, Phillip E. Barber
Filed: 2 Jun 21
Utility
Over-the-air calibration of antenna system
1 Aug 23
In an embodiment, an apparatus includes a transmit section including a first baseband section and a first radio frequency (RF) section, wherein the transmit section is configured to receive a calibration signal, the first RF section is configured to generate a RF calibration signal based on modulating the calibration signal.
David Francois Jacquet, Masoud Kahrizi, Robert Baummer, Jr., Jean-Noel Rozec, Fabrice Jean André Belvèze, Paul Lee Pearson, Francois Lucien Emile Icher, Marc Gens, Pascal Triaire
Filed: 18 May 22
Utility
Near zero intermediate frequency (NZIF) compensation of local oscillator leakage
1 Aug 23
In an embodiment, a communications system includes a first transmitter including a digital beamforming baseband section configured to receive an input signal to be transmitted, the input signal at a baseband frequency, and a modulation section electrically coupled to the digital beamforming baseband section and a first antenna of a phased array antenna.
David Francois Jacquet, Marc Gens, Paul Lee Pearson, Pascal Triaire
Filed: 25 Jul 22
Utility
Compact radio frequency combiner
1 Aug 23
Technologies for provided for a radio frequency input/output (RFIO) combiner/splitter.
Amir Agah, Eric Pepin, Kim W. Schulze
Filed: 24 Mar 22
Utility
Phase lock loop (PLL) synchronization
25 Jul 23
In an embodiment, an apparatus includes an integrated circuit (IC) chip configured to receive a timing signal and a reference clock signal.
David Francois Jacquet, Mostafa Ghazali, Masoud Kahrizi, Andras Tantos
Filed: 5 Apr 22
Utility
Antenna modules in phased array antennas
18 Jul 23
An apparatus includes a plurality of conductive structures having first sides and second sides opposite the first sides, wherein the second sides of the plurality of conductive structures are configured to be physically coupleable with a printed circuit board (PCB) of a receiver or a transmitter.
Javier Rodriguez De Luis, Nil Apaydin, Ersin Yetisir, Alireza Mahanfar, Siamak Ebadi
Filed: 25 Jan 22
Utility
Phased array antenna systems
11 Jul 23
In one embodiment of the present disclosure, a phased array antenna system includes a first portion carrying an antenna lattice including a plurality of antenna elements, wherein the plurality of antenna elements are arranged in a first configuration, and a second portion carrying a beamformer lattice including a plurality of beamformer elements, wherein the plurality of beamformer elements are arranged in a second configuration different from the first configuration, wherein each of the plurality of antenna elements are electrically coupled to one of the plurality of beamformer elements.
Alireza Mahanfar, Javier Rodriguez De Luis
Filed: 14 Feb 19