公开(公告)号：US10135955B2

公开(公告)日：2018-11-20

申请号：US15054043

申请日：2016-02-25

Applicant: Integrated Device Technology, Inc.

Inventor： Mohammad Shahanshah Akhter ,  Bachir Berkane

IPC: H04J3/24 ,  H04L29/06 ,  H04W88/08

Abstract: A method and apparatus provides a parameter estimation processor configured to estimate parameters used to compress data for transmission over a serial data link. The parameter estimation processor includes a processor. The processor includes user programmable inputs. The user programmable inputs set an input data packet length, a target compression ratio, and a resampling factor and allow filter parameters to be set. Input data information is received from an input data buffer of a data sample compressor. The processor performs a function that: (a) adjusting a target compression ratio by a first compression ratio to determine a remaining compression ratio when the resampling operation is enabled; (b) estimating a set of compression parameters that are used to achieve the remaining compression ratio, the set of compression parameters includes an attenuation value, filter order, a type of encoding; and (c) sends the set of compression parameters to the data sample compressor. The data sample compressor applies the compression parameters to a packet of input data and outputs a plurality of compressed data words.

公开(公告)号：US09485688B1

公开(公告)日：2016-11-01

申请号：US14050210

申请日：2013-10-09

Applicant: Integrated Device Technology, Inc.

Inventor： Mohammad Shahanshah Akhter ,  Brian Scott Darnell ,  Steve Lamontagne ,  Bachir Berkane

IPC: H04W4/00 ,  H04W28/06

CPC classification number: H03M7/3091 ,  H03M7/6052 ,  H04L69/22

Abstract: The method and apparatus of the present invention provides for the compression and decompression of data bursts wherein the propagation of synchronization errors is limited to a desired number of signal samples and the start of a burst boundary is identified. In accordance with the present invention, a method and apparatus are provided for compressing data in a communication system by receiving data bursts comprising a plurality of uncompressed data packets at a compressor of the communication system, generating a start of burst parameter and a packet size parameter for each of the uncompressed data packets and compressing the data packets. At the decompressor, the compressed data packets are received and when a synchronization error occurs, the packet size parameter is used to limit the propagation of the error to a desired number of samples and to restore the data burst utilizing the start of burst parameter.

Abstract translation: 本发明的方法和装置提供数据脉冲串的压缩和解压缩，其中同步误差的传播被限制到期望数量的信号样本，并且识别出突发边界的开始。 根据本发明，提供一种方法和装置，用于在通信系统中通过在通信系统的压缩器处接收包括多个未压缩数据分组的数据突发来产生通信系统中的数据，产生突发参数开始和分组大小参数 对于每个未压缩的数据分组并压缩数据分组。 在解压缩器处，压缩的数据分组被接收，并且当发生同步错误时，分组大小参数被用于将误差的传播限制到期望数量的样本，并且使用突发参数的开始恢复数据突发。

公开(公告)号：US20160182690A1

公开(公告)日：2016-06-23

申请号：US15054043

申请日：2016-02-25

Applicant: Integrated Device Technology, Inc.

Inventor： Mohammad Shahanshah Akhter ,  Bachir Berkane

IPC: H04L29/06

CPC classification number: H04L69/08 ,  H04L29/06 ,  H04L69/04 ,  H04L69/22 ,  H04W88/085

Abstract: A method and apparatus provides a parameter estimation processor configured to estimate parameters used to compress data for transmission over a serial data link. The parameter estimation processor includes a processor. The processor includes user programmable inputs. The user programmable inputs set an input data packet length, a target compression ratio, and a resampling factor and allow filter parameters to be set. Input data information is received from an input data buffer of a data sample compressor. The processor performs a function that: (a) adjusting a target compression ratio by a first compression ratio to determine a remaining compression ratio when the resampling operation is enabled; (b) estimating a set of compression parameters that are used to achieve the remaining compression ratio, the set of compression parameters includes an attenuation value, filter order, a type of encoding; and (c) sends the set of compression parameters to the data sample compressor. The data sample compressor applies the compression parameters to a packet of input data and outputs a plurality of compressed data words.

公开(公告)号：US08989257B1

公开(公告)日：2015-03-24

申请号：US14050130

申请日：2013-10-09

Applicant: Integrated Device Technology, Inc.

Inventor： Mohammad Shahanshah Akhter ,  Brian Scott Darnell ,  Steve Lamontagne ,  Bachir Berkane

IPC: H04B1/66 ,  H03M7/30

CPC classification number: H03M7/6041 ,  H03M7/3059

Abstract: The method and apparatus of the present invention provides for the compression of signal data having a low latency jitter while maintaining a target compression ratio and reasonable degradation, as is required by next generation systems. In accordance with the present invention, a method and apparatus are provided for compressing data in a communication system by receiving uncompressed packet at a compressor of the communication system, segmenting the packet into a plurality of packet segments, calculating signal sample bit-removal information for each of the plurality of packet segments and compressing the packet segments utilizing the signal sample bit-removal information that is calculated based upon the signal characteristics of the uncompressed packet and a desired target compression ratio.

Abstract translation: 本发明的方法和装置提供了对具有低等待时间抖动的信号数据的压缩，同时保持目标压缩比和合理的劣化，如下一代系统所要求的那样。 根据本发明，提供了一种用于在通信系统中通过在通信系统的压缩器处接收未压缩分组来压缩数据的方法和装置，将分组分割成多个分组段，计算信号样本比特消除信息 多个分组段中的每一个，并且利用基于未压缩分组的信号特性和期望的目标压缩比计算的信号样本比特去除信息来压缩分组分段。

公开(公告)号：US10235295B1

公开(公告)日：2019-03-19

申请号：US15247854

申请日：2016-08-25

Applicant: Integrated Device Technology, Inc.

Inventor： Mohammad Shahanshah Akhter

IPC: G06F12/08 ,  G06F12/0873 ,  G06F13/16 ,  G06F9/46

Abstract: Scalable Coherent Apparatus and Method have been disclosed. In one implementation a dual directory approach is used to implement scalable coherent accesses in a heterogeneous system. A transaction identification mapping for coherent RapidIO memory transactions between a plurality of external hardware processing elements is used. Source transaction identification encoding is a combination of bits from two advanced extensible interface identifications. Target transaction identification is decoded into a combination of bits for two advanced extensible interface identifications.

公开(公告)号：US20150156284A1

公开(公告)日：2015-06-04

申请号：US14134998

申请日：2013-12-19

Applicant: INTEGRATED DEVICE TECHNOLOGY, INC.

Inventor： Mohammad Shahanshah Akhter ,  Bachir Berkane

IPC: H04L29/06

CPC classification number: H04L69/08 ,  H04L29/06 ,  H04L69/04 ,  H04L69/22 ,  H04W88/085

Abstract: A method and apparatus provides a parameter estimation processor configured to estimate parameters used to compress data for transmission over a serial data link. The parameter estimation processor includes a processor. The processor includes user programmable inputs. The user programmable inputs set an input data packet length, a target compression ratio, and a resampling factor and allow filter parameters to be set. Input data information is received from an input data buffer of a data sample compressor. The processor performs a function that: (a) adjusting a target compression ratio by a first compression ratio to determine a remaining compression ratio when the resampling operation is enabled; (b) estimating a set of compression parameters that are used to achieve the remaining compression ratio, the set of compression parameters includes an attenuation value, filter order, a type of encoding; and (c) sends the set of compression parameters to the data sample compressor. The data sample compressor applies the compression parameters to a packet of input data and outputs a plurality of compressed data words.

Abstract translation: 一种方法和装置提供一种参数估计处理器，其被配置为估计用于压缩数据以用于通过串行数据链路传输的参数。 参数估计处理器包括处理器。 处理器包括用户可编程输入。 用户可编程输入设置输入数据分组长度，目标压缩比和重采样因子，并允许设置滤波器参数。 从数据样本压缩器的输入数据缓冲器接收输入数据信息。 处理器执行以下功能：（a）当启用重采样操作时，调整目标压缩比第一压缩比以确定剩余压缩比; （b）估计用于实现剩余压缩比的一组压缩参数，所述压缩参数集合包括衰减值，滤波器次序，编码类型; 和（c）将该组压缩参数发送到数据样本压缩器。 数据采样压缩器将压缩参数应用于输入数据的分组并输出多个压缩数据字。

公开(公告)号：US20160292117A1

公开(公告)日：2016-10-06

申请号：US14673818

申请日：2015-03-30

Applicant: Integrated Device Technology, Inc.

Inventor： Mohammad Shahanshah Akhter

IPC: G06F13/40 ,  G06F13/42

Abstract: Methods and Apparatus for Efficient Network Analytics and Computing Card have been disclosed. In one implementation a plurality of cards each having one or more GPU+CPU are interconnected via RapidIO.

Abstract translation: 已经公开了高效网络分析和计算卡的方法和装置。 在一个实现中，每个具有一个或多个GPU + CPU的多个卡通过RapidIO互连。

公开(公告)号：US09398489B1

公开(公告)日：2016-07-19

申请号：US14050045

申请日：2013-10-09

Applicant: Integrated Device Technology, Inc.

Inventor： Mohammad Shahanshah Akhter ,  Brian Scott Darnell ,  Steve Lamontagne ,  Bachir Berkane

IPC: H04W28/06 ,  H04L29/06

CPC classification number: H04W28/06 ,  H04L69/04

Abstract: A dynamic context resource module measures a compression performance level of a most recent compressed data packet of each of a plurality of compressed signal streams to generate a signal stream compression performance level for each signal stream. Dynamic compression performance indicators are calculated from the measured signal stream compression performance levels and are stored in a dynamic context resource table. A compression parameter estimation module reads the dynamic compression performance indicators and determines if each signal stream exhibits a desired performance level. If a signal stream does not exhibit the desired performance level, the compression parameters for the signal stream are adjusted. A compressed packet generator compresses a next data packet of the signal stream based upon the adjusted compression parameters for the signal stream or the unadjusted compression parameters for the signal stream.

Abstract translation: 动态上下文资源模块测量多个压缩信号流中的每一个的最新压缩数据分组的压缩性能水平，以产生每个信号流的信号流压缩性能水平。 动态压缩性能指标由测量信号流压缩性能水平计算，并存储在动态上下文资源表中。 压缩参数估计模块读取动态压缩性能指标并确定每个信号流是否呈现期望的性能水平。 如果信号流不具有期望的性能水平，则调整信号流的压缩参数。 压缩包发生器根据用于信号流的经调整的压缩参数或信号流的未经调整的压缩参数来压缩信号流的下一个数据包。

公开(公告)号：US09313300B2

公开(公告)日：2016-04-12

申请号：US14134998

申请日：2013-12-19

Applicant: Integrated Device Technology, Inc.

Inventor： Mohammad Shahanshah Akhter ,  Bachir Berkane

IPC: H04J3/18 ,  H04L29/06 ,  H04W88/08

CPC classification number: H04L69/08 ,  H04L29/06 ,  H04L69/04 ,  H04L69/22 ,  H04W88/085

Abstract: A method and apparatus provides a parameter estimation processor configured to estimate parameters used to compress data for transmission over a serial data link. The parameter estimation processor includes a processor. The processor includes user programmable inputs. The user programmable inputs set an input data packet length, a target compression ratio, and a resampling factor and allow filter parameters to be set. Input data information is received from an input data buffer of a data sample compressor. The processor performs a function that: (a) adjusting a target compression ratio by a first compression ratio to determine a remaining compression ratio when the resampling operation is enabled; (b) estimating a set of compression parameters that are used to achieve the remaining compression ratio, the set of compression parameters includes an attenuation value, filter order, a type of encoding; and (c) sends the set of compression parameters to the data sample compressor. The data sample compressor applies the compression parameters to a packet of input data and outputs a plurality of compressed data words.

Abstract translation: 一种方法和装置提供一种参数估计处理器，其被配置为估计用于压缩数据以用于通过串行数据链路传输的参数。 参数估计处理器包括处理器。 处理器包括用户可编程输入。 用户可编程输入设置输入数据分组长度，目标压缩比和重采样因子，并允许设置滤波器参数。 从数据样本压缩器的输入数据缓冲器接收输入数据信息。 处理器执行以下功能：（a）当启用重采样操作时，调整目标压缩比第一压缩比以确定剩余压缩比; （b）估计用于实现剩余压缩比的一组压缩参数，所述压缩参数集合包括衰减值，滤波器次序，编码类型; 和（c）将该组压缩参数发送到数据样本压缩器。 数据采样压缩器将压缩参数应用于输入数据的分组并输出多个压缩数据字。

公开(公告)号：US09203933B1

公开(公告)日：2015-12-01

申请号：US14012944

申请日：2013-08-28

Applicant: Integrated Device Technology, Inc.

Inventor： Mohammad Shahanshah Akhter ,  Brian Scott Darnell ,  Steve Lamontagne ,  Bachir Berkane

IPC: H04L29/06 ,  H04W28/06

CPC classification number: H04L69/04 ,  H04L1/0014 ,  H04W28/06

Abstract: A method and apparatus that compresses signal data to generate compressed signal data having a low latency jitter while maintaining an acceptable compression ratio and reasonable degradation, as is required by next generation systems. A method and apparatus for compressing data in a communication system by receiving uncompressed data at a compressor of the communication system, analyzing the uncompressed data at the compressor to estimate at least one compression parameter to be applied during the compression of the uncompressed data, compressing the uncompressed data utilizing the at least one estimated compression parameter, monitoring the performance level of the compressed data packet and adjusting the estimated compression parameter used to compress the uncompressed data if the compressed data packet does not exhibit a desired performance level.

Abstract translation: 压缩信号数据以产生具有低等待时间抖动的压缩信号数据的方法和装置，同时保持可接受的压缩比和合理的劣化，如下一代系统所要求的。 一种在通信系统中通过在通信系统的压缩器处接收未压缩数据来压缩数据的方法和装置，分析压缩器处的未压缩数据以估计在压缩未压缩数据期间应用的至少一个压缩参数，压缩 利用所述至少一个估计压缩参数的未压缩数据，监视所述压缩数据分组的性能​​水平，并且如果所述压缩数据分组不呈现期望的性能水平，则调整用于压缩所述未压缩数据的估计压缩参数。