公开(公告)号：US20240204911A1

公开(公告)日：2024-06-20

申请号：US18393483

申请日：2023-12-21

Applicant: RAYTHEON BBN TECHNOLOGIES CORP.

Inventor： Neil Judell

IPC: H04L1/00

CPC classification number: H04L1/0034

Abstract: Simultaneous transmit signals and receive signals (STAR) circuit and method includes: an error correction circuit for receiving a receive signal and a transmit signal for transmission; a first input port for receiving the transmit signal; a second input port for receiving a modification signal; and an adder to add the transmit signal to the modification signal to generate a modified modification signal, wherein the modified modification signal is input to the error correction circuit, wherein the modification signal modifies the transmit signal to have energy orthogonal to the receive signal, and wherein the transmit signal is transmitted simultaneously with receiving the receive signal.

公开(公告)号：US20220209801A1

公开(公告)日：2022-06-30

申请号：US17696590

申请日：2022-03-16

Applicant: RAYTHEON BBN TECHNOLOGIES CORP.

Inventor： Neil Judell

IPC: H04B1/10 ,  H03D3/00 ,  H04L25/03 ,  H04B1/26 ,  H04B1/12

Abstract: A receiver for cancelling strong signals from combined weak and strong signals includes: a first circuitry for inputting a weak and strong signal as an input; a parametric cancellation circuit for inputting a representation of the strong signal and an output of the first circuitry to produce a cancellation signal; a second circuitry electrically coupled to the parametric cancellation circuit for inputting the cancellation signal to produce a modulated output; a demodulator electronically coupled to the second circuitry for demodulating the modulated output to produce a demodulated output and an error signal, where the demodulated output is the data contained in the weak signal; and an adaptation logic circuit for inputting the representation of the strong signal, the demodulated output and the error signal to adaptively produce parameters for the parametric cancellation circuit. The parametric cancellation circuit further inputs the error signal and the parameters to produce the cancellation signal.

公开(公告)号：US11711103B2

公开(公告)日：2023-07-25

申请号：US17696590

申请日：2022-03-16

Applicant: RAYTHEON BBN TECHNOLOGIES CORP.

Inventor： Neil Judell

IPC: H04B1/10 ,  H04B1/12 ,  H04L25/03 ,  H03D3/00 ,  H04B1/26

CPC classification number: H04B1/109 ,  H03D3/007 ,  H04B1/123 ,  H04B1/26 ,  H04L25/03057

Abstract: A receiver for cancelling strong signals from combined weak and strong signals includes: a first circuitry for inputting a weak and strong signal as an input; a parametric cancellation circuit for inputting a representation of the strong signal and an output of the first circuitry to produce a cancellation signal; a second circuitry electrically coupled to the parametric cancellation circuit for inputting the cancellation signal to produce a modulated output; a demodulator electronically coupled to the second circuitry for demodulating the modulated output to produce a demodulated output and an error signal, where the demodulated output is the data contained in the weak signal; and an adaptation logic circuit for inputting the representation of the strong signal, the demodulated output and the error signal to adaptively produce parameters for the parametric cancellation circuit. The parametric cancellation circuit further inputs the error signal and the parameters to produce the cancellation signal.

公开(公告)号：US11283476B2

公开(公告)日：2022-03-22

申请号：US16918863

申请日：2020-07-01

Applicant: RAYTHEON BBN TECHNOLOGIES CORP.

Inventor： Neil Judell

IPC: H04B1/56 ,  H04B1/10 ,  H04B1/12 ,  H04L25/03 ,  H03D3/00 ,  H04B1/26

Abstract: A receiver for cancelling strong signals from combined weak and strong signals includes: a first circuitry for inputting a weak and strong signal as an input; a parametric cancellation circuit for inputting a representation of the strong signal and an output of the first circuitry to produce a cancellation signal; a second circuitry electrically coupled to the parametric cancellation circuit for inputting the cancellation signal to produce a modulated output; a demodulator electronically coupled to the second circuitry for demodulating the modulated output to produce a demodulated output and an error signal, where the demodulated output is the data contained in the weak signal; and an adaptation logic circuit for inputting the representation of the strong signal, the demodulated output and the error signal to adaptively produce parameters for the parametric cancellation circuit. The parametric cancellation circuit further inputs the error signal and the parameters to produce the cancellation signal.

公开(公告)号：US20210013914A1

公开(公告)日：2021-01-14

申请号：US16918863

申请日：2020-07-01

Applicant: RAYTHEON BBN TECHNOLOGIES CORP.

Inventor： Neil Judell

IPC: H04B1/10 ,  H04B1/12 ,  H04B1/26 ,  H03D3/00 ,  H04L25/03

Abstract: A receiver for cancelling strong signals from combined weak and strong signals includes: a first circuitry for inputting a weak and strong signal as an input; a parametric cancellation circuit for inputting a representation of the strong signal and an output of the first circuitry to produce a cancellation signal; a second circuitry electrically coupled to the parametric cancellation circuit for inputting the cancellation signal to produce a modulated output; a demodulator electronically coupled to the second circuitry for demodulating the modulated output to produce a demodulated output and an error signal, where the demodulated output is the data contained in the weak signal; and an adaptation logic circuit for inputting the representation of the strong signal, the demodulated output and the error signal to adaptively produce parameters for the parametric cancellation circuit. The parametric cancellation circuit further inputs the error signal and the parameters to produce the cancellation signal.

公开(公告)号：US20240205047A1

公开(公告)日：2024-06-20

申请号：US18506803

申请日：2023-11-10

Applicant: RAYTHEON BBN TECHNOLOGIES CORP.

Inventor： Neil Judell

IPC: H04L12/44 ,  H04L5/00

CPC classification number: H04L12/44 ,  H04L5/0007

Abstract: Simultaneous transmit signals and receive signals (STAR) circuit and method includes: an error correction circuit for receiving a receive signal and a transmit signal; a first input port for receiving a probe signal; a second input port for receiving a transmit signal for transmission; a third input port for receiving a modification signal; and a first adder to add the probe signal to the modification signal to generate a modified probe signal, wherein the modified probe signal is input to the error correction circuit, wherein the modification signal modifies the probe signal to be orthogonal to the transmit signal and to minimize expected correlation with the receive signal to generate a final transmit signal.