System and method of orbital angular momentum (OAM) diverse signal processing using classical beams

HA Schmitt, DE Waagen, NN Shah, DL Barker… - US Patent …, 2010 - Google Patents
The present invention provides a system and method of OAM diverse signal processing
using classical beams for applications in which OAM signal character is controlled Such as …

Universal linear components

DAB Miller - US Patent 10,534,189, 2020 - Google Patents
Primary Examiner—Peter Radkowski (74) Attorney, Agent, or Firm—Lumen Patent Firm (57)
ABSTRACT Universal linear components are provided. In general, a P input and Qoutput …

System and method for combining MIMO and mode-division multiplexing

S Ashrafi, RD Linquist - US Patent 9,998,187, 2018 - Google Patents
2016-07-21 Assigned to NXGEN PARTNERS IP, LLC reassignment NXGEN PARTNERS IP,
LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS) …

Multiplexed Cassegrain reflector antenna for simultaneous generation of three orbital angular momentum (OAM) modes

WJ Byun, KS Kim, BS Kim, YS Lee, MS Song… - Scientific reports, 2016 - nature.com
A multiplexed Cassegrain reflector antenna with a 2× 2 open-ended rectangular waveguide
(OERW) matrix feed and an orbital angular momentum (OAM) mode mux is proposed for the …

Re-generation and re-transmission of millimeter waves for building penetration

S Ashrafi - US Patent 10,153,845, 2018 - Google Patents
A system for enabling signal penetration into a building comprising a receiver located on an
outside of the building for receiving millimeter wave signals. At least one frequency …

Re-generation and re-transmission of millimeter waves for building penetration

S Ashrafi - US Patent 10,014,948, 2018 - Google Patents
(57) ABSTRACT A system for enabling signal penetration into a building includes first
circuitry, located on an outside of the building, that receives millimeter wave signals and …

Re-generation and re-transmission of millimeter waves for building penetration using dongle transceivers

S Ashrafi - US Patent 10,491,303, 2019 - Google Patents
RNFJDJUURJAICM-UHFFFAOYSA-N 2, 2, 4, 4, 6, 6-hexaphenoxy-1, 3, 5-triaza-2$ l^{5}, 4$
l^{5}, 6$ l^{5}-triphosphacyclohexa-1, 3, 5-triene Chemical compound N= 1P (OC= 2C= CC …

Re-generation and re-transmission of millimeter waves for building penetration

S Ashrafi - US Patent 10,374,710, 2019 - Google Patents
RNFJDJUURJAICM-UHFFFAOYSA-N 2, 2, 4, 4, 6, 6-hexaphenoxy-1, 3, 5-triaza-2$ l^{5}, 4$
l^{5}, 6$ l^{5}-triphosphacyclohexa-1, 3, 5-triene Chemical compound N= 1P (OC= 2C= CC …

Systems and methods for focusing beams with mode division multiplexing

S Ashrafi, R Linquist, N Ashrafi - US Patent 9,413,448, 2016 - Google Patents
(57) ABSTRACT A system for focusing a multiplexed beam includes OAM signal processing
circuitry for generating a multiplexed OAM multiplexed signal. A plurality of antennas …

Quantum resistant blockchain with multi-dimensional quantum key distribution

S Ashrafi - US Patent 10,708,046, 2020 - Google Patents
A system for generating a blockchain comprises first cir cuitry for receiving a first group of
data. Blockchain pro cessing circuitry generates a blockchain for a plurality of groups of …