公开(公告)号：US20210336873A1

公开(公告)日：2021-10-28

申请号：US16856340

申请日：2020-04-23

Applicant: Code On Network Coding, LLC

Inventor： Flavio du Pin Calmon ,  Muriel Medard ,  Kerim Fouli

IPC: H04L12/707 ,  H04L1/00 ,  H04L29/06

Abstract: A machine-implemented method for use at a destination node for transferring data from a source node, the method comprising: establishing one or more connections with the source node; sending to the source node a request for a data stream, the request including control information to be applied at the source node, the control information including a number of degrees of freedom (DoFs) or frames to be transmitted across each of the one or more connections; and receiving one or more coded frames through the data stream over the one or more connections.

公开(公告)号：US20200028624A1

公开(公告)日：2020-01-23

申请号：US16497555

申请日：2018-03-29

Applicant: Massachusetts Institute of Technology ,  Code On Network Coding, LLC ,  Technische Universitat Dresden

Inventor： Kerim Fouli ,  Frank Gabriel ,  Muriel Medard ,  Sreekrishna Pandi ,  Simon Wunderlich

IPC: H04L1/00 ,  H04L12/861 ,  H04L1/18

Abstract: A method and apparatus decode packetized data in the presence of packet erasures using a finite sliding window technique. A decoder receives packets containing uncoded and coded symbols. When a packet with a coded symbol is received, the decoder determines whether a packet sequence number is within a sliding window of w consecutive sequence numbers that are no greater than a decoder sequence number, where the number w is fixed prior to encoding. When this is the case, the decoder decodes the coded symbol into one or more of the w input symbols using the coefficient vector. Decoding may use a forward error correcting (FEC) window within the finite sliding window. Decoding also may use a technique of Gaussian elimination to produce a “shifted” row echelon coefficient matrix.

公开(公告)号：US11463372B2

公开(公告)日：2022-10-04

申请号：US16856480

申请日：2020-04-23

Applicant: Code On Network Coding, LLC

Inventor： Flavio du Pin Calmon ,  Muriel Medard ,  Kerim Fouli

IPC: H04L47/70 ,  H04L41/0896 ,  H04L45/12 ,  H04L45/16 ,  H04L47/10 ,  H04L69/14

Abstract: In some embodiments, a method comprises: transmitting first data units from a source node to a destination node over a first path; receiving information about the availability of one or more second paths between the source and destination nodes; determining a cost associated with each of the one or more second paths; allocating a first number of second data units to the first path and a second number of second data units to the one or more second paths based on the determined costs; and transmitting the second data units from the source node to the destination node over the first path and/or the one or more second paths according to the allocation, wherein the first data units, the second data units, or both the first and second data units comprise network coded data.

公开(公告)号：US11418449B2

公开(公告)日：2022-08-16

申请号：US17055160

申请日：2019-05-16

Applicant: Code On Network Coding, LLC

Inventor： Kerim Fouli ,  Muriel Medard

IPC: H04L1/06 ,  H04L47/125 ,  H04L45/24 ,  H04L45/74

Abstract: Multipath coding systems, devices and methods are disclosed. In a multipath network, devices and methods generate at least one of a plurality of uncoded packets for transmission on a first path from a source node to a destination node as well as at least one coded packet based upon a set of uncoded packets for transmission on a second path from the source node to the destination node. The set of uncoded packets are formed, generated or otherwise provided from a next uncoded packet to be transmitted, a number (α) of previously transmitted uncoded packets, and a number (β) of uncoded packets that are to be transmitted after the next uncoded packet and α+β is greater than zero. The destination node operates to receive, and decode as needed, the uncoded and coded packets.

公开(公告)号：US11424861B2

公开(公告)日：2022-08-23

申请号：US16497555

申请日：2018-03-29

Applicant: Massachusetts Institute of Technology ,  Code On Network Coding, LLC ,  Technische Universität Dresden

Inventor： Kerim Fouli ,  Frank Gabriel ,  Muriel Medard ,  Sreekrishna Pandi ,  Simon Wunderlich

IPC: H04L1/00 ,  H04L1/18 ,  H04L49/9057

Abstract: A method and apparatus decode packetized data in the presence of packet erasures using a finite sliding window technique. A decoder receives packets containing uncoded and coded symbols. When a packet with a coded symbol is received, the decoder determines whether a packet sequence number is within a sliding window of w consecutive sequence numbers that are no greater than a decoder sequence number, where the number w is fixed prior to encoding. When this is the case, the decoder decodes the coded symbol into one or more of the w input symbols using the coefficient vector. Decoding may use a forward error correcting (FEC) window within the finite sliding window. Decoding also may use a technique of Gaussian elimination to produce a “shifted” row echelon coefficient matrix.

公开(公告)号：US11381339B2

公开(公告)日：2022-07-05

申请号：US16604200

申请日：2018-11-06

Applicant: Code On Network Coding, LLC

Inventor： Muriel Medard ,  László Viktor Jánoky ,  Patrik János Braun

IPC: H04L1/00 ,  H04L1/16 ,  H04L1/18 ,  H04L65/65

Abstract: A method comprising reframing one or more QUIC frames into a packed frame; and applying network coding to the packed frame to generate a coded frame.

公开(公告)号：US20210336896A1

公开(公告)日：2021-10-28

申请号：US16856480

申请日：2020-04-23

Applicant: Code On Network Coding, LLC

Inventor： Flavio du Pin Calmon ,  Muriel Medard ,  Kerim Fouli

IPC: H04L12/911 ,  H04L12/24 ,  H04L12/801 ,  H04L12/721 ,  H04L12/761 ,  H04L29/06

Abstract: In some embodiments, a method comprises: transmitting first data units from a source node to a destination node over a first path; receiving information about the availability of one or more second paths between the source and destination nodes; determining a cost associated with each of the one or more second paths; allocating a first number of second data units to the first path and a second number of second data units to the one or more second paths based on the determined costs; and transmitting the second data units from the source node to the destination node over the first path and/or the one or more second paths according to the allocation, wherein the first data units, the second data units, or both the first and second data units comprise network coded data.

公开(公告)号：US10530574B2

公开(公告)日：2020-01-07

申请号：US15925071

申请日：2018-03-19

Applicant: Massachusetts Institute of Technology ,  Code On Network Coding, LLC

Inventor： Xiaomeng Shi ,  Muriel Medard

IPC: H04N7/167 ,  H04L9/08 ,  H04L29/06 ,  H04W12/06 ,  H04N21/647 ,  H04N21/6377 ,  H04N21/61 ,  H04N21/2662 ,  H04N21/266 ,  H04N21/2347 ,  H04N21/2343 ,  H04L1/18 ,  H04W12/04 ,  H04W12/00 ,  H04L1/00

Abstract: Described herein is a method and system for wireless data transmission with network coding which limits encryption operations to a critical set of network coding coefficients in combination with multi-resolution and/or multi-description video coding. Such a method and system achieves hierarchical fidelity levels, robustness against wireless packet loss and efficient security by exploiting the algebraic structure of network coding.

公开(公告)号：US11489761B2

公开(公告)日：2022-11-01

申请号：US16856340

申请日：2020-04-23

Applicant: Code On Network Coding, LLC

Inventor： Flavio du Pin Calmon ,  Muriel Medard ,  Kerim Fouli

IPC: H04L45/24 ,  H04L1/00 ,  H04L65/1069

Abstract: A machine-implemented method for use at a destination node for transferring data from a source node, the method comprising: establishing one or more connections with the source node; sending to the source node a request for a data stream, the request including control information to be applied at the source node, the control information including a number of degrees of freedom (DoFs) or frames to be transmitted across each of the one or more connections; and receiving one or more coded frames through the data stream over the one or more connections.

公开(公告)号：US11108705B2

公开(公告)日：2021-08-31

申请号：US16399552

申请日：2019-04-30

Applicant: CODE ON NETWORK CODING, LLC

Inventor： Kerim Fouli ,  Muriel Medard

IPC: H04L12/931 ,  H03M13/00 ,  H04L12/24 ,  H04L12/935

Abstract: A network node having a receiver for receiving input packets, a local node memory where one or more parameters for coding are stored, an encoder for creating coded packets from the input packets using linear network coding, and a transmitter to transmit the coded packets. Each coefficient of the linear network coding is a parameter of the one or more parameters or a pre-determined function of the one or more parameters. A related method and a network are also presented.