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1.发明授权Systems, methods, apparatus and computer program products for highly reliable file delivery using compound and braided FEC encoding and decoding 有权系统，方法，设备和计算机程序产品，用于使用复合和编织FEC编码和解码的高可靠性文件传递公开(公告)号：US09071274B2
公开(公告)日：2015-06-30
申请号：US14220630
申请日：2014-03-20
Applicant: KENCAST, INC.
Inventor： Weimin Fang
CPC classification number: H03M13/05 , H03M13/11 , H03M13/15 , H03M13/2909 , H03M13/2921 , H03M13/2927 , H03M13/293 , H03M13/3746 , H04L1/0041 , H04L1/005 , H04L1/0057 , H04L1/0065
Abstract: Systems, methods, apparatus and computer program products provide highly reliable file delivery using a combination of packet-level FEC on source data packets which are arranged in matrices, where encoding is performed on both rows and columns or on rows, columns and diagonals.
Abstract translation: 系统，方法，装置和计算机程序产品使用排列成矩阵的源数据分组上的分组级FEC的组合来提供高度可靠的文件传递，其中对行和列或行，列和对角线执行编码。
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2.发明申请SYSTEMS, METHODS, APPARATUS AND COMPUTER PROGRAM PRODUCTS FOR HIGHLY RELIABLE FILE DELIVERY USING COMPOUND AND BRAIDED FEC ENCODING AND DECODING 有权使用化合物和BRAIDED FEC编码和解码的高可靠文件传送的系统，方法，计算机程序产品公开(公告)号：US20140289590A1
公开(公告)日：2014-09-25
申请号：US14220630
申请日：2014-03-20
Applicant: KENCAST, INC.
Inventor： Weimin Fang
IPC: H04L1/00
CPC classification number: H03M13/05 , H03M13/11 , H03M13/15 , H03M13/2909 , H03M13/2921 , H03M13/2927 , H03M13/293 , H03M13/3746 , H04L1/0041 , H04L1/005 , H04L1/0057 , H04L1/0065
Abstract: Systems, methods, apparatus and computer program products provide highly reliable file delivery using a combination of packet-level FEC on source data packets which are arranged in matrices, where encoding is performed on both rows and columns or on rows, columns and diagonals.
Abstract translation: 系统，方法，装置和计算机程序产品使用排列成矩阵的源数据分组上的分组级FEC的组合来提供高度可靠的文件传递，其中对行和列或行，列和对角线执行编码。
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公开(公告)号：US10164736B2
公开(公告)日：2018-12-25
申请号：US15189250
申请日：2016-06-22
Applicant: KENCAST, INC.
Inventor： H. Lewis Wolfgang , Michael J. Fischer , Weimin Fang
IPC: H04L1/00 , H04L12/26 , H04L12/873 , H04L29/06 , H04N21/44 , H04N21/4402
Abstract: Systems, methods, apparatus and computer program products for providing forward error correction with low latency to live streams in networks are provided. Source data is output at a rate less than the rate of a source stream, a buffer is built, and an FEC decoder FEC decodes the source data. Decoded packets are output at a rate equal to the rate of the source stream.
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Patent Agency Ranking
公开(公告)号：US20190280808A1
公开(公告)日：2019-09-12
申请号：US16294179
申请日：2019-03-06
Applicant: KenCast Inc.
Inventor： Weimin Fang
Abstract: For correction coding of a source file for transmission, the source file is divided into a plurality of groups each having a plurality of source packets. Each group is arranged into a matrix format, and braided forward error correction (FEC) packets are generated for each column, row and diagonal of a respective group by XOR'ing the source packets from the corresponding column, row and diagonal. Then, low density parity check (LDPC) FEC packets are generated for the respective group of source packets and corresponding braided FEC packets. The FEC packets generated in this manner, which are referred to as continuous FEC packets, are transmitted to a receiver component, and upon reception, an iteration of braided FEC decoding and LDPC FEC decoding is applied to the received continuous FEC packets, until all the source packets are recovered and the source file is reconstructed or until there is no more incoming packets.
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5.发明授权Systems, methods, apparatus, and computer program products for providing forward error correction with low latency 有权用于提供低延迟的前向纠错的系统，方法，设备和计算机程序产品公开(公告)号：US09397783B2
公开(公告)日：2016-07-19
申请号：US14217973
申请日：2014-03-18
Applicant: KENCAST, INC.
Inventor： H. Lewis Wolfgang , Michael J. Fischer , Weimin Fang
CPC classification number: H04L1/0045 , H04L1/007 , H04L43/0829 , H04L47/522 , H04L65/80 , H04N21/44004 , H04N21/440281
Abstract: Systems, methods, apparatus, and computer program products for providing forward error correction with low latency to live streams in networks are provided. One example method includes receiving source data at a first rate, outputting the source data at a rate less than the first rate, collecting the source data in a buffer, FEC decoding the source data, thereby generating decoded data; and outputting the decoded data at a rate equal to the first rate, either after collecting the source data in the buffer for a predetermined time duration or after collecting a predetermined amount of the source data in the buffer.
Abstract translation: 提供了用于向网络中的直播流提供具有低延迟的前向纠错的系统，方法，装置和计算机程序产品。 一种示例性方法包括以第一速率接收源数据，以小于第一速率的速率输出源数据，将源数据收集在缓冲器中，FEC解码源数据，从而生成解码数据; 或者在缓冲器中收集源数据达预定持续时间之后，或者在缓冲器中收集预定量的源数据之后，以等于第一速率的速率输出解码数据。
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公开(公告)号：US10771191B2
公开(公告)日：2020-09-08
申请号：US16294179
申请日：2019-03-06
Applicant: KenCast Inc.
Inventor： Weimin Fang
Abstract: For correction coding of a source file for transmission, the source file is divided into a plurality of groups each having a plurality of source packets. Each group is arranged into a matrix format, and braided forward error correction (FEC) packets are generated for each column, row and diagonal of a respective group by XOR'ing the source packets from the corresponding column, row and diagonal. Then, low density parity check (LDPC) FEC packets are generated for the respective group of source packets and corresponding braided FEC packets. The FEC packets generated in this manner, which are referred to as continuous FEC packets, are transmitted to a receiver component, and upon reception, an iteration of braided FEC decoding and LDPC FEC decoding is applied to the received continuous FEC packets, until all the source packets are recovered and the source file is reconstructed or until there is no more incoming packets.
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7.发明申请SYSTEMS, METHODS, APPARATUS, AND COMPUTER PROGRAM PRODUCTS FOR PROVIDING FORWARD ERROR CORRECTION WITH LOW LATENCY 审中-公开系统，方法，设备和计算机程序产品，用于提供低延迟的前向错误校正公开(公告)号：US20160308642A1
公开(公告)日：2016-10-20
申请号：US15189250
申请日：2016-06-22
Applicant: KENCAST, INC.
Inventor： H. Lewis Wolfgang , Michael J. Fischer , Weimin Fang
IPC: H04L1/00 , H04N21/4402 , H04L29/06 , H04N21/44 , H04L12/873 , H04L12/26
CPC classification number: H04L1/0045 , H04L1/007 , H04L43/0829 , H04L47/522 , H04L65/80 , H04N21/44004 , H04N21/440281
Abstract: Systems, methods, apparatus and computer program products for providing forward error correction with low latency to live streams in networks are provided, including outputting source data at a rate less than the rate of a source stream, building a buffer, FEC decoding the source data; and outputting the packets at a rate equal to the rate of the source stream.
Abstract translation: 提供了用于向网络中的直播流提供具有低延迟的前向纠错的系统，方法，装置和计算机程序产品，包括以低于源流的速率，构建缓冲器，FEC解码源数据的速率输出源数据 ; 并以等于源流的速率的速率输出分组。
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8.发明申请SYSTEMS, METHODS, APPARATUS, AND COMPUTER PROGRAM PRODUCTS FOR PROVIDING FORWARD ERROR CORRECTION WITH LOW LATENCY 有权系统，方法，设备和计算机程序产品，用于提供低延迟的前向错误校正公开(公告)号：US20140201603A1
公开(公告)日：2014-07-17
申请号：US14217973
申请日：2014-03-18
Applicant: KENCAST, INC.
Inventor： H. Lewis Wolfgang , Michael J. Fischer , Weimin Fang
IPC: H04L1/00
CPC classification number: H04L1/0045 , H04L1/007 , H04L43/0829 , H04L47/522 , H04L65/80 , H04N21/44004 , H04N21/440281
Abstract: Systems, methods, apparatus, and computer program products for providing forward error correction with low latency to live streams in networks are provided. One example method includes receiving source data at a first rate, outputting the source data at a rate less than the first rate, collecting the source data in a buffer, FEC decoding the source data, thereby generating decoded data; and outputting the decoded data at a rate equal to the first rate, either after collecting the source data in the buffer for a predetermined time duration or after collecting a predetermined amount of the source data in the buffer.
Abstract translation: 提供了用于向网络中的直播流提供具有低延迟的前向纠错的系统，方法，装置和计算机程序产品。 一种示例性方法包括以第一速率接收源数据，以小于第一速率的速率输出源数据，将源数据收集在缓冲器中，FEC解码源数据，从而生成解码数据; 或者在缓冲器中收集源数据达预定持续时间之后，或者在缓冲器中收集预定量的源数据之后，以等于第一速率的速率输出解码数据。
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