Efficiently combining multiple taps of an optical filter
An optical filter comprises an array of waveguides fabri cated on an optical integrated circuit
(PIC). The array comprises individual waveguides, each of which receive light inputs, eg …
(PIC). The array comprises individual waveguides, each of which receive light inputs, eg …
Interference cancellation methods and apparatus
Methods and apparatus for interference cancelation in a radio frequency communications
device are described. In various embodiments a signal to be transmitted in converted into an …
device are described. In various embodiments a signal to be transmitted in converted into an …
Interference cancellation methods and apparatus
H Jain, CC Lin - US Patent 11,330,464, 2022 - Google Patents
Methods and apparatus for reducing and/or canceling signal interference between receiver
and transmitter components of a wireless communications device are described. The …
and transmitter components of a wireless communications device are described. The …
Maximizing efficiency of communication systems with self-interference cancellation subsystems
S Kokel - US Patent 12,057,873, 2024 - Google Patents
A wireless communication device can include a transmitter subsystem configured to transmit
a transmit signal that, once propagated from the wireless communication device, may be …
a transmit signal that, once propagated from the wireless communication device, may be …
Hybrid photonic integrated circuits for ultra-low phase noise signal generators
F Mokhtari-Koushyar, TA Nguyen, T Huffman… - US Patent …, 2023 - Google Patents
A signal generator includes a photonic circuit configured to output a sequence of solitons at
a known rate. The solitons illuminate a high-speed photodiode that, in response, generates …
a known rate. The solitons illuminate a high-speed photodiode that, in response, generates …
System and method for tracking a wearable device
KK Shee, JF Rodriguez, R Arencibia… - US Patent 11,959,997, 2024 - Google Patents
A method of using a first device to locate a second device is disclosed. The first device, while
in a first mode, transmits a first signal and receives a second signal comprising a reflection of …
in a first mode, transmits a first signal and receives a second signal comprising a reflection of …
Null-forming based on a self-interference measurement configuration
2021-07-15 Assigned to QUALCOMM INCORPORATED reassignment QUALCOMM
INCORPORATED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR …
INCORPORATED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR …
Co-manufacturing of silicon-on-insulator waveguides and silicon nitride waveguides for hybrid photonic integrated circuits
B Mattis, T Huffman, B Woo, TA Nguyen - US Patent 12,032,205, 2024 - Google Patents
A method of co-manufacturing silicon waveguides, SiN waveguides, and semiconductor
structures in a photonic integrated circuit. A silicon waveguide structure can be formed using …
structures in a photonic integrated circuit. A silicon waveguide structure can be formed using …
Self-interference mitigation in in-band full-duplex communication systems
US20230118089A1 - Self-interference mitigation in in-band full-duplex communication
systems - Google Patents US20230118089A1 - Self-interference mitigation in in-band full-duplex …
systems - Google Patents US20230118089A1 - Self-interference mitigation in in-band full-duplex …
System for operating hybrid beamforming device
X Wang, S Sharma - US Patent 11,894,899, 2024 - Google Patents
A hybrid beamforming device utilizes analog beamformers (ABF) and digital beamformers
(DBF) to produce a desired radio frequency radiation pattern having one or more lobes …
(DBF) to produce a desired radio frequency radiation pattern having one or more lobes …