公开(公告)号：US12143152B2

公开(公告)日：2024-11-12

申请号：US17962058

申请日：2022-10-07

Applicant: Purdue Research Foundation

Inventor： Walter Daniel Leon-Salas

IPC: H04B10/11 ,  H02J7/35 ,  H02M3/156 ,  H02S40/30 ,  H02S99/00 ,  H04B10/40 ,  H04B10/50 ,  H04B10/516 ,  H04B10/80

Abstract: A modulating circuit adapted to modulate between an energy harvesting mode and a wireless transmitter mode is disclosed which includes a solar cell, an energy-harvesting circuit, a first switch coupling the solar cell to the energy harvesting circuit and controlled by a first control line, a second switch coupling the solar cell to a programmable current source and controlled by a second control line, a transmitter/energy harvesting mode circuit adapted to select between a transmitter mode and an energy harvesting mode, and a symbol-to-current mapping circuit adapted to encode data to be communicated by the solar cell, the symbol-to-current mapping circuit adapted to adjust the programmable current source to thereby provide a metered current to the solar cell.

公开(公告)号：US20240372625A1

公开(公告)日：2024-11-07

申请号：US18561416

申请日：2021-05-21

Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION

Inventor： Takuya KANAI ,  Kazuaki HONDA ,  Yasunari TANAKA ,  Shin KANEKO ,  Kazutaka HARA

IPC: H04B10/516 ,  H04J3/00

Abstract: One mode of the present invention is an optical communication device that includes: a detector that detects the falling edge or the rising edge of a control signal outputted from a user device to an optical communication path; and an optical modulator that superimposes a new control signal on a main signal, when the falling edge or the rising edge of a control signal has been detected by the detector.

公开(公告)号：US20240322911A1

公开(公告)日：2024-09-26

申请号：US18239878

申请日：2023-08-30

Applicant: Kabushiki Kaisha Toshiba ,  Toshiba Electronic Devices & Storage Corporation

Inventor： Hiroo MAKARI

IPC: H04B10/516

CPC classification number: H04B10/516

Abstract: A serial data receiving apparatus according to an embodiment includes a detection unit and an alignment unit. The detection unit is configured to detect a specific bit arrangement in which an idle code or an end code worth of one word, and a head code worth of one word are sequentially consecutive from a bit arrangement of parallel data worth of three words converted from serial data, an alignment of which is not adjusted. The alignment unit is configured to adjust an alignment of word data based on a bit boundary of the specific bit arrangement detected.

公开(公告)号：US12101124B2

公开(公告)日：2024-09-24

申请号：US17919595

申请日：2020-04-24

Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION

Inventor： Takuya Kanai ,  Shin Kaneko ,  Kazuaki Honda ,  Junichi Kani ,  Hiroo Suzuki

IPC: H04B10/516 ,  H04J14/00

CPC classification number: H04B10/516 ,  H04J14/00

Abstract: An aspect of the present disclosure is a transmission system including a modulated wave generation unit that generates an intermediate wave, which is a coherent wave in which a frequency component of either of two signals overlays a frequency spectrum, the two signals being a main signal indicating transmitted information to be transmitted and a control signal indicating management information, which is information on communication between a transmission source of the transmitted information and a communication destination of the transmission source, and a modulation unit that modulates the intermediate wave with a signal in which a frequency component does not overlay the frequency spectrum of the coherent wave generated by the modulated wave generation unit out of the two signals that are the main signal and the control signal. In the transmission system, a frequency band of the main signal and a frequency band of the control signal do not overlap each other.

公开(公告)号：US20240267128A1

公开(公告)日：2024-08-08

申请号：US18566604

申请日：2022-06-02

Applicant: SPECTRONITE

Inventor： Jean-Philippe FOURNIER

IPC: H04B10/516 ,  H04L27/36

CPC classification number: H04B10/5161 ,  H04L27/364 ,  H04B2210/006

Abstract: The invention relates to a data transmission method, comprising the steps of: generating from a data stream to be transmitted, a plurality of frequency-domain digital sample streams, each digital sample stream modulating a respective subcarrier defining a respective subcarrier channel, converting the frequency-domain sample streams into temporal sample streams, by an inverse spectral transform, combining the temporal sample streams into a composite stream, frequency-shifting the composite stream using a digital oscillator at an intermediate frequency above 1 GHz, converting the shifted composite stream into an analog signal, frequency-shifting the analog signal to a carrier frequency above 2 GHz using an analog oscillator at a carrier frequency, filtering the analog signal to attenuate the carrier frequency, and transmitting the filtered signal via an antenna.

公开(公告)号：US12057863B2

公开(公告)日：2024-08-06

申请号：US17802071

申请日：2020-02-25

Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION

Inventor： Masanori Nakamura ,  Takeshi Kakizaki ,  Shigeki Miyake

IPC: H03M7/30 ,  H03M7/14 ,  H03M13/00 ,  H03M13/05 ,  H04B10/516 ,  H04L1/00 ,  H04L27/34

CPC classification number: H03M7/60 ,  H03M13/05 ,  H03M13/63 ,  H04B10/516 ,  H04L1/0042 ,  H04L1/0045 ,  H04L1/0057 ,  H04L27/34 ,  H03M7/14

Abstract: An aspect of the present invention is a communication system including: an encoding unit configured to transform an input symbol sequence into an output symbol sequence, the input symbol sequence being a sequence of first symbols, the output symbol sequence being a sequence of second symbols; and a decoding unit configured to transform the output symbol sequence into the input symbol sequence in accordance with a decoding-side transformation mapping for transforming the output symbol sequence into the input symbol sequence that is a transformation source for the output symbol sequence, wherein the encoding unit transforms the input symbol sequence into the output symbol sequence in accordance with encoding-side transformation destination candidate information, the input symbol sequence, and a transformation probability, the encoding-side transformation destination candidate information being information indicating candidates of a transformation destination for the input symbol sequence, the transformation probability being a probability of transformation into the transformation destination indicated by the encoding-side transformation destination candidate information, and a probability of appearance of the second symbol conforms to a predefined prescribed probability distribution.

公开(公告)号：US12052058B2

公开(公告)日：2024-07-30

申请号：US17075372

申请日：2020-10-20

Applicant: Intel Corporation

Inventor： Alexander Krichevsky ,  Boping Xie

IPC: H04B10/40 ,  H04B10/079 ,  H04B10/516

CPC classification number: H04B10/40 ,  H04B10/0795 ,  H04B10/5161

Abstract: Embodiments of the present disclosure are directed to an optical transceiver within a single device. The optical transceiver incorporates an optical isolator, thus eliminating the need for an external isolator unit. In embodiments, transmitter channels and receiver channels share a single lens array and incorporate a compensator block to equalize the transmitter and receiver optical signals in the transceiver. Other embodiments may be described and/or claimed.

公开(公告)号：US20240223924A1

公开(公告)日：2024-07-04

申请号：US18439295

申请日：2024-02-12

Applicant: MARVELL ASIA PTE LTD

Inventor： Whay Sing LEE ,  Arash FARHOODFAR ,  Volodymyr SHVYDUN ,  Michael DUCKERING

IPC: H04Q11/00 ,  H04B10/516 ,  H04J14/02 ,  H04L1/00

CPC classification number: H04Q11/0062 ,  H04B10/516 ,  H04J14/02 ,  H04L1/0003 ,  H04L1/0045 ,  H04L1/0061 ,  H04Q11/0005 ,  H04Q2011/0016 ,  H04Q2011/002 ,  H04Q2011/0088 ,  H04Q2201/02

Abstract: A communication device includes a plurality of communication pipelines configured to receive respective input data streams and a multiplexer coupled to the plurality of communication pipelines. The multiplexer is configured to generate an output data stream by combining the input data streams and to insert one or more special characters into the output data stream in response to a fault with one of the communication pipelines.

公开(公告)号：US20240223279A1

公开(公告)日：2024-07-04

申请号：US18602857

申请日：2024-03-12

Applicant: eSTS, Inc.

Inventor： Dennis L. Gette ,  Thomas J. McAvoy

IPC: H04B10/112 ,  H04B10/50 ,  H04B10/516

CPC classification number: H04B10/1129 ,  H04B10/1125 ,  H04B10/502 ,  H04B10/5161

Abstract: An invisible light communication system can communicate using infrared or ultraviolet light signals to provide more secure communications. The system includes a software definable and hardware configurable transmitter that uses an input, an encoder, an invisible light source, and an optic to transmit an invisible light signal. The system also includes a software definable and hardware configurable receiver that receives the invisible light signal using an optic, a detector, a detector, and an output. Applications for the invisible light communication system include fixed, deployable, vehicle, and wearable configurations for voice, video and data transmission and receipt in support of a variety of use cases: remote sensing; data exfiltration; remote control, ordnance detonation; tactical chat/messaging; point-to-point and point-to-multipoint audio communications; and full motion video.

公开(公告)号：US12021565B2

公开(公告)日：2024-06-25

申请号：US18070802

申请日：2022-11-29

Applicant: Phase Sensitive Innovations, Inc.

Inventor： Chris Schuetz ,  Janusz Murakowski ,  Garrett Schneider ,  Shouyuan Shi ,  Dennis Prather

IPC: H04B10/516 ,  H01Q3/26 ,  H04B1/16 ,  H04B10/11 ,  H04B10/2575 ,  H04B10/64

CPC classification number: H04B10/5165 ,  H01Q3/2676 ,  H04B1/16 ,  H04B10/11 ,  H04B10/25759 ,  H04B10/64 ,  H04B2210/006

Abstract: A method of RF signal processing comprises receiving an incoming RF signal at each of a plurality of antenna elements that are arranged in a first pattern. The received RF signals from each of the plurality of antenna elements are modulated onto an optical carrier to generate a plurality of modulated signals that each have at least one sideband. The modulated signals are directed along a corresponding plurality of optical channels with outputs arranged in a second pattern corresponding to the first pattern. A composite optical signal is formed using light emanating from the outputs of the plurality of optical channels. Non-spatial information contained in at least one of the received RF signals is extracted from the composite signal.