公开(公告)号：US20240430187A1

公开(公告)日：2024-12-26

申请号：US18692818

申请日：2022-09-09

Applicant: SANECHIPS TECHNOLOGY CO., LTD.

Inventor： Hejie YU ,  Xiaotao LIN

IPC: H04L43/0852

Abstract: The present disclosure provides a delay ripple detection method and a delay ripple detection circuit. The method includes: generating a pulse signal corresponding to a transmission link to be monitored; aligning and transmitting the pulse signal corresponding to the transmission link and data corresponding to the transmission link in the transmission link; and monitoring the pulse signal after being transmitted in the transmission link, and determining whether a delay ripple anomaly is present in the transmission link according to the monitored pulse signal.

公开(公告)号：US20240405896A1

公开(公告)日：2024-12-05

申请号：US18697466

申请日：2022-03-21

Applicant: SANECHIPS TECHNOLOGY CO., LTD.

Inventor： Li XIANG ,  Hongwang CUI ,  Keyan FAN ,  Yan GUO ,  Long WEN

IPC: H04B17/11

Abstract: The present application provides an antenna calibration method and apparatus, and a remote radio unit. The method includes: generating a calibration sequence of a channel to be calibrated; determining, according to obtained calibration configuration information of the channel to be calibrated and an output sequence of the channel to be calibrated, a calibration response sequence of the channel to be calibrated; and calibrating the channel to be calibrated according to the calibration response sequence of the channel to be calibrated and the calibration sequence of the channel to be calibrated.

公开(公告)号：US20240397486A1

公开(公告)日：2024-11-28

申请号：US18696970

申请日：2022-03-02

Applicant: SANECHIPS TECHNOLOGY CO., LTD.

Inventor： Xin ZHAO

IPC: H04W72/044 ,  H04L47/628 ,  H04W72/1268 ,  H04W88/08

Abstract: A message processing method includes: obtaining frequency-domain in-phase quadrature (IQ) data according to uplink data, and storing the frequency-domain IQ data in a storage space: receiving a control plane message issued by an Open Radio Access Network Distributed Unit (O-DU), analyzing the control plane message to obtain a control plane parameter, and caching the control plane parameter in a queue corresponding to the control plane parameter in a queue group, M queues in the queue group stores control plane parameters of M symbols; reading the control plane parameter, and generating a user plane message transmission scheduling command according to the control plane parameter; reading the frequency-domain IQ data from the storage space according to the user plane message transmission scheduling command; and obtaining an uplink user plane message to be sent according to the read frequency-domain IQ data, and sending the uplink user plane message to the O-DU.

公开(公告)号：US12149446B2

公开(公告)日：2024-11-19

申请号：US17613793

申请日：2020-04-13

Applicant: SANECHIPS TECHNOLOGY CO., LTD.

Inventor： Lifeng Rong

IPC: H04L45/745

Abstract: Disclosed are a method for message match table lookup, a system, a non-transitory computer-readable storage medium and a terminal. The method for message match table lookup includes: performing on-demand data bit width compression on information of a specified part of an input message; extracting N groups of data from compressed data, performing intra-group data comparison to obtain N groups of comparison results, and performing true value splicing on the N groups of comparison results, where N is an integer greater than 1; performing match searching of a ternary content addressable memory (TCAM) by using the true value splicing result as a keyword; and searching, according to a match hit result of the TCAM, for an Action Random Access Memory (Action RAM), and outputting, by the Action RAM, a table lookup request.

公开(公告)号：US20240364492A1

公开(公告)日：2024-10-31

申请号：US18692812

申请日：2022-03-14

Applicant: SANECHIPS TECHNOLOGY CO., LTD.

Inventor： Chuang SHAN ,  Shaofei ZHU ,  Jianwei SUN

IPC: H04L5/14 ,  H04L5/00

CPC classification number: H04L5/1469 ,  H04L5/0048

Abstract: Provided are a signal processing method, an electronic device, and a storage medium. The signal processing method includes: acquiring control signal including a Time Division Duplex (TDD) signal (S110); adjusting time sequence of the TDD signal to target time sequence according to preset adjustment parameter (S120); and obtaining driving signal based on the TDD signal having the target time sequence, with the driving signal being for a Power Amplifier (PA) and a Low Noise Amplifier (LNA) (S130).

公开(公告)号：US12119926B2

公开(公告)日：2024-10-15

申请号：US17293555

申请日：2019-09-29

Applicant: SANECHIPS TECHNOLOGY CO., LTD.

Inventor： Sisi Chen

IPC: H04J3/06 ,  H04W56/00

CPC classification number: H04J3/0667 ,  H04W56/001

Abstract: Provided are a time synchronization method and device, and a storage medium. The method includes that: a synchronized block matching a preset code pattern in a data stream is searched at a SERDES parallel interface; the position of the bit of the synchronized block in the SERDES parallel interface is determined as a first position; a time point when the synchronized block passes through the SERDES parallel interface is determined as a first time point; the synchronized block and a PTP packet in the data stream are searched at an interface between PHY layer and MAC layer, and a distance between the synchronized block and the PTP packet is determined; and a second time point is determined according to the first position, the first time point and the distance, the second time point being the time point when the PTP packet passes through an SERDES serial interface.

公开(公告)号：US20240292268A1

公开(公告)日：2024-08-29

申请号：US18568941

申请日：2022-03-19

Applicant: SANECHIPS TECHNOLOGY CO., LTD.

Inventor： Yingtai LI ,  Xing LIU ,  Dingming ZHANG ,  Huayong WANG

IPC: H04W28/06

CPC classification number: H04W28/06

Abstract: Provided are a method and an apparatus for transmitting data, and a storage medium and an electronic device The method includes: compressing data according to a compression control instruction, so as to obtain compressed data, and acquiring a compression exponent; according to the compression exponent and a signal processing scaling exponent, determining a transmission exponent during data transmission; and according to an encapsulation format control instruction, based on an ORAN protocol, encapsulating the compressed data and the transmission exponent, so as to obtain encapsulated data, and sending the encapsulated data, such that after receiving the encapsulated data, a receiving end can perform decapsulation and decompression according to corresponding modes, so as to obtain data transmitted by a sending end.

公开(公告)号：US20240281290A1

公开(公告)日：2024-08-22

申请号：US18564069

申请日：2022-03-23

Applicant: SANECHIPS TECHNOLOGY CO., LTD.

Inventor： Liping WANG ,  Haibo SHENG

IPC: G06F9/50

CPC classification number: G06F9/5027

Abstract: A resource queue management interface verification method includes: generating a verification instance; under a condition that a first resource queue management interface of the verification instance is connected to a second resource queue management interface of a master module to be verified, verifying the second resource queue management interface through the verification instance; under a condition that the first resource queue management interface is connected to a third resource queue management interface of a slave module to be verified, verifying the third resource queue management interface through the verification instance; and under a condition that the first resource queue management interface is connected to both the second resource queue management interface and the third resource queue management interface, verifying an interaction process between the second resource queue management interface and the third resource queue management interface through the verification instance.

公开(公告)号：US20240162911A1

公开(公告)日：2024-05-16

申请号：US17772970

申请日：2020-10-29

Applicant: SANECHIPS TECHNOLOGY CO., LTD.

Inventor： Gang WU

IPC: H03M1/06

CPC classification number: H03M1/0607

Abstract: Provided are a sampling clock phase mismatch error estimation method and apparatus, and a storage medium. This sampling clock phase mismatch error estimation method includes: a proportional relation between an estimation operator of a modular square subtraction method corresponding to each frequency interval of multiple frequency intervals and a sampling clock phase mismatch error of a time-interleaved analog to digital converter (TIADC) is acquired; a slope and an offset value of a fitting proportion line segment are counted; and a slope of a proportion line segment corresponding to a real-time estimation frequency is converted, and an offset value corresponding to the real-time estimation frequency is estimated through an interpolation according to a counted slope and a counted offset value, and the actual value of the sampling clock phase mismatch error is estimated according to a converted slope and an offset value estimated through the interpolation.

公开(公告)号：US20240146502A1

公开(公告)日：2024-05-02

申请号：US18279895

申请日：2021-11-15

Applicant: SANECHIPS TECHNOLOGY CO., LTD. ,  SOUTHERN UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Quan PAN ,  Wenbo XIAO ,  Qiwei HUANG ,  Junyi YANG ,  Xuewei DING ,  Yingli HAO

IPC: H04L7/033 ,  H03L7/08 ,  H04L7/00

CPC classification number: H04L7/0331 ,  H03L7/0807 ,  H04L7/0087

Abstract: A clock data recovery circuit and a clock data recovery method are provided. The clock data recovery circuit includes a time delay loop (100), a frequency locking loop (200) and a deserializer (300). The time delay loop (100) is configured to delay input data according to a phase of a clock signal to realize phase alignment; the frequency locking loop (200) is connected to the time delay loop (100), and is configured to adjust a frequency of the clock signal according to the delayed input data to make the frequency of the clock signal be consistent with a frequency of the input data; and the deserializer (300) is respectively connected to the time delay loop (100) and the frequency locking loop (200), and is configured to deserialize the input data according to the clock signal.