公开(公告)号：US20240121016A1

公开(公告)日：2024-04-11

申请号：US18267817

申请日：2021-11-23

Applicant: SANECHIPS TECHNOLOGY CO., LTD.

Inventor： Guodong LIANG ,  Xiaoliang GONG ,  Anwen HU ,  Yan GUO

IPC: H04B17/12 ,  H04B17/21

CPC classification number: H04B17/12 ,  H04B17/21

Abstract: Embodiments of the present disclosure provide an amplitude and phase calibration method and device, a storage medium, and an electronic device. The method includes: receiving a plurality of signals to be calibrated, with the plurality of signals to be calibrated being signals of one or more digital channels; routing the plurality of signals to be calibrated to a plurality of basic units, with each of the basic units configured to process one of the signals to be calibrated; and performing amplitude and phase calibration on the plurality of signals to be calibrated by the plurality of basic units. The present disclosure can solve the problems in the related technology that related solutions merely support single-channel broadband amplitude-phase tracking or merely support narrow-band amplitude-phase tracking, are difficult to expand once demands are fixed, and have relatively poor universality, flexibly select data input into a basic computing unit, realize flexible configuration according to different demands, and improve universality and expandability of system.

公开(公告)号：US11811426B2

公开(公告)日：2023-11-07

申请号：US17624980

申请日：2020-09-16

Applicant: SANECHIPS TECHNOLOGY CO., LTD.

Inventor： Guangming Shi ,  Jialong Ding

IPC: H03M13/00 ,  H03M13/29

CPC classification number: H03M13/6572 ,  H03M13/2948 ,  H03M13/6502

Abstract: Disclosed are a data decoding method and apparatus, and a computer storage medium. The data decoding method includes: after Polar code data to be decoded is acquired, transmitting the Polar code data to be decoded to at least two pre-configured independent U value calculation modules, the U value calculation modules being configured to calculate a U value required at a next iteration of a G node; controlling the at least two independent U value calculation modules to process the Polar code data to be decoded to obtain at least two sets of new decode data; and, processing the at least two sets of new decode data to obtain new Polar code data to be decoded.

公开(公告)号：US11810265B2

公开(公告)日：2023-11-07

申请号：US17299557

申请日：2019-12-20

Applicant: SANECHIPS TECHNOLOGY CO., LTD.

Inventor： Dehui Kong ,  Ke Xu ,  Xiao Zhang ,  Bin Han ,  Zhou Han ,  Hong Wang ,  Guoning Lu ,  Long Huang ,  Sheng Luo

IPC: G06T3/40 ,  G06T5/50 ,  G06F18/25

CPC classification number: G06T3/4007 ,  G06F18/251 ,  G06T5/50 ,  G06T2207/20081 ,  G06T2207/20084

Abstract: An image reconstruction method, device and apparatus and non-transitory computer-readable storage medium are disclosed. The method may include: determining norms of convolution kernels of each convolutional layer of a deep neural network model; determining the convolution kernels with norms greater than or equal to a preset threshold in each convolutional layer to obtain a target convolution kernel set of each convolutional layer; processing an input image of each convolutional layer by using the convolution kernels in the target convolution kernel set of each convolutional layer respectively, to obtain a first image processing result; obtaining a second image processing result by performing interpolation on an initial image; and determining a fusion result according to the first image processing result and the second image processing result and reconstructing the initial image according to the fusion result.

公开(公告)号：US20230305710A1

公开(公告)日：2023-09-28

申请号：US18018566

申请日：2021-07-05

Applicant: SANECHIPS TECHNOLOGY CO., LTD.

Inventor： Yijun ZHOU ,  Hengqi LIU ,  Jinlin XU ,  Feng ZHOU

IPC: G06F3/06

CPC classification number: G06F3/0613 ,  G06F3/0631 ,  G06F3/0673

Abstract: The present disclosure provides a writing method, including: writing writing-table data into a corresponding main storage module; performing a calculation on writing-table data in each target main storage module by using a first predetermined algorithm to obtain an auxiliary value, for any target main storage module, the first predetermined algorithm being used for performing a calculation on writing-table data stored in the target main storage module and corresponding writing-table data stored in at least one main storage module other than the target main storage module, an inverse operation of the first predetermined algorithm being used for performing a calculation on any auxiliary value to obtain writing-table data participating in the calculation of the auxiliary value; and storing the auxiliary value into a corresponding auxiliary storage module. The present disclosure further provides a reading method, a computer readable storage medium, a processor chip and an electronic device.

公开(公告)号：US20230299790A1

公开(公告)日：2023-09-21

申请号：US18021037

申请日：2021-08-04

Applicant: SANECHIPS TECHNOLOGY CO., LTD.

Inventor： Qing BIAN

IPC: H03M13/11

CPC classification number: H03M13/1125 ,  H03M13/1151

Abstract: The present application provides a data processing method, a data processing device, a decoder, a network device and a computer-readable storage medium. The data processing method includes: classifying log likelihood ratio (LLR) elements according to a modulation mode, a preset decoder quantization threshold and a signal-to-noise ratio, to obtain a classification result; extracting feature information of each category in the classification result; calculating to obtain a scale factor according to the feature information of each category; and scaling the LLR elements according to the scale factor.

公开(公告)号：US20230261913A1

公开(公告)日：2023-08-17

申请号：US18012289

申请日：2021-05-25

Applicant: SANECHIPS TECHNOLOGY CO., LTD

Inventor： Mingjie KONG ,  Xiongjie SHEN

IPC: H04L25/49 ,  H04L25/03

CPC classification number: H04L25/4917 ,  H04L25/03038

Abstract: Provided are a multilevel output drive circuit and method. The circuit includes: a signal selection module, configured to selectively output a signal to be transmitted of a corresponding channel according to an external input signal; a weight generation module, configured to generate weight data according to a weight of an output eye diagram, wherein the weight of the output eye diagram and the weight data are multi-bit binary data; a coefficient transfer module, configured to perform weight control on the signal to be transmitted according to the weight data and generate data containing weight information; and a weight adjustment and data outputting module, configured to perform weight adjustment and pulse amplitude modulation calculation according to weight adjustment control data, the signal to be transmitted and the data containing weight information, and generate PAM4 data.

公开(公告)号：US20230177650A1

公开(公告)日：2023-06-08

申请号：US17924158

申请日：2021-05-06

Applicant: SANECHIPS TECHNOLOGY CO., LTD.

Inventor： Jing YOU ,  Hengqi LIU ,  Ke XU ,  Dehui KONG ,  Jisong AI ,  Xin LIU ,  Cong REN

IPC: G06T5/00 ,  G06T3/40

CPC classification number: G06T5/001 ,  G06T3/40 ,  G06T2207/20081 ,  G06T2207/20084

Abstract: Disclosed are a method and apparatus for training an image restoration model, an electronic device, and a computer-readable storage medium. The method for training an image restoration model includes: pre-processing training images to obtain a low-illumination image sample set (110); determining, based on low-illumination image samples in the low-illumination image sample set and the image restoration model, a weight coefficient of the image restoration model (120), wherein the image restoration model is a neural network model determined on a U-Net network and a deep residual network; and adjusting the image restoration model according to the weight coefficient, and further training the adjusted image restoration model using the low-illumination image samples until the image restoration model restores parameters of all the low-illumination image samples in the low-illumination image sample set into a preset range (130).

公开(公告)号：US11664914B2

公开(公告)日：2023-05-30

申请号：US17297284

申请日：2019-12-04

Applicant: SANECHIPS TECHNOLOGY CO., LTD.

Inventor： Pengchao Wang

IPC: H04J3/06

CPC classification number: H04J3/0667

Abstract: Provided are a clock synchronization method, system and device, and a storage medium. The method includes that: in a case where a Precision Time Protocol (PTP) message is received, attribute information of a PTP port is determined according to the PTP port of the received PTP message, wherein the attribute information includes at least one of the following: clock node configuration type, high-precision mode or non-high-precision mode, non-high-precision ingress correction field (cf) modification mark or non-high-precision egress cf modification mark, and asymmetric compensation value; and clock synchronization is performed on the PTP message according to the attribute information of the PTP port.

公开(公告)号：US20230050327A1

公开(公告)日：2023-02-16

申请号：US17784377

申请日：2020-12-14

Applicant: SANECHIPS TECHNOLOGY CO.,LTD

Inventor： Yu CHEN

IPC: H04L1/00 ,  H04W28/04 ,  H04L1/16 ,  H04L1/20

Abstract: A detection method and apparatus, a terminal, and a storage medium are provided. The method includes that: a decoding parameter in a process that a decoder of a Narrowband Physical Downlink Control Channel (NPDCCH) decodes Downlink Control Information (DCI), a comparison parameter obtained by comparing an encoding result obtained by reversely encoding the decoded DCI by an encoder of the NPDCCH with the DCI before decoding, and a Signal-to-Noise Ratio (SNR) of the DCI are acquired; in a case where the decoding parameter, the comparison parameter and the SNR satisfy a first valid condition, a data transmission repetition number and a search space length of the NPDCCH are acquired; and in a case where the search space length matches the number of subframes corresponding to the data transmission repetition number, it is determined that the DCI is valid.

公开(公告)号：US20230029747A1

公开(公告)日：2023-02-02

申请号：US17777425

申请日：2020-11-18

Applicant: SANECHIPS TECHNOLOGY CO., LTD.

Inventor： Chengwei JIA

IPC: H04B17/21 ,  H04B1/16

Abstract: A radio frequency receiving link and a radio frequency transceiving device are provided. The radio frequency receiving link includes: an input unit, configured to input a first input signal; a clock unit, configured to generate a local oscillator signal; a receiving link frequency-mixing unit, configured to obtain the first input signal and the local oscillator signal, and generate a first frequency-mixing signal according to the first input signal and the local oscillator signal; and a calibration unit, configured to obtain first direct current offset information of the radio frequency receiving link, wherein the first direct current offset information is direct current offset information in the radio frequency receiving link when the receiving link frequency-mixing unit generates the first frequency-mixing signal.