公开(公告)号：US11665040B2

公开(公告)日：2023-05-30

申请号：US17383698

申请日：2021-07-23

Applicant: Intel Corporation

Inventor： Bernard Arambepola ,  Noam Tal ,  Sahan S. Gamage ,  Thushara Hewavithana ,  Shaul Shulman

IPC: H04W4/00 ,  H04L27/26 ,  H04L1/00 ,  H04L5/00 ,  H04L27/00

CPC classification number: H04L27/2634 ,  H04L1/004 ,  H04L1/0041 ,  H04L5/0046 ,  H04L27/0008

Abstract: Mixed mode constellation mapping to map a data block to a block of sub-carriers based on a configurable set of one or more constellation mapping schemes, and corresponding mixed mode least likelihood ratio (LLR) de-mapping based on the configurable set of one or more modulation schemes. The set may be configurable to include multiple modulation schemes to provide to a SEvSNR measure that is a non-weighted or weighted average of SEvSNR measures of the multiple modulation schemes. Mixed mode constellation mapping may be useful be configurable to control spectral efficiency versus SNR (SEvSNR) over a range of SNR with relatively fine SNR granularity, and may be configurable to control SEvSNR over a range of SNR at a fixed FEC code rate, which may include a highest available or highest permitted code rate.

公开(公告)号：US11075713B2

公开(公告)日：2021-07-27

申请号：US16714640

申请日：2019-12-13

Applicant: Intel Corporation

Inventor： Bernard Arambepola ,  Noam Tal ,  Sahan S. Gamage ,  Thushara Hewavithana ,  Shaul Shulman

IPC: H04W4/00 ,  H04L1/00 ,  H04L5/00 ,  H04L27/00 ,  H04L27/26

Abstract: Mixed mode constellation mapping to map a data block to a block of sub-carriers based on a configurable set of one or more constellation mapping schemes, and corresponding mixed mode least likelihood ratio (LLR) de-mapping based on the configurable set of one or more modulation schemes. The set may be configurable to include multiple modulation schemes to provide to a SEvSNR measure that is a non-weighted or weighted average of SEvSNR measures of the multiple modulation schemes. Mixed mode constellation mapping may be useful be configurable to control spectral efficiency versus SNR (SEvSNR) over a range of SNR with relatively fine SNR granularity, and may be configurable to control SEvSNR over a range of SNR at a fixed FEC code rate, which may include a highest available or highest permitted code rate.

公开(公告)号：US20190312761A1

公开(公告)日：2019-10-10

申请号：US16464485

申请日：2016-12-29

Applicant: Intel Corporation

Inventor： Shaul Shulman ,  Nathan Goichberg

IPC: H04L27/00 ,  H04L27/26

Abstract: A device includes a digital frontend. The digital frontend is configured to digitally modulate symbols for digital signals of a plurality of channels according to a transmission protocol. Each channel is associated with at least one respective carrier frequency within a transmission bandwidth. The digital frontend is further configured to combine the digital signals to obtain a digital output signal. The device further includes an analog frontend having a digital-to-analog converter configured to convert the digital output signal into an analog output signal. The analog frontend also includes a programmable gain amplifier configured to apply an analog gain to the analog output signal. The device further includes a control logic configured to determine the analog gain based on calibration data indicative of the frequency response of the analog frontend across a transmission bandwidth.

公开(公告)号：US10243681B2

公开(公告)日：2019-03-26

申请号：US15717285

申请日：2017-09-27

Applicant: Intel Corporation

Inventor： Nathan Goichberg ,  Shaul Shulman ,  Thushara Hewavithana

IPC: H04B1/10 ,  H04J3/06 ,  H04L5/14 ,  H04L25/03

Abstract: Synchronizing methods and architectures for cable modems to transmit and receive Full Duplex (FDX) resource block allocations (RBAs) using filter switching and coordinated updating of equalization coefficients. A cable modem including a block of switchable filters, an analog front end (AFE) and a PHY/MAC System on a Chip (SoC) tuner to, at least in part, provide signals to switch the switchable filters in accordance with the RBA changes and synchronize updating tuner equalizations to match filter switching in a coordinated manner by marking received data at the AFE.

公开(公告)号：US20180287660A1

公开(公告)日：2018-10-04

申请号：US15475448

申请日：2017-03-31

Applicant: Intel Corporation

Inventor： Bernard Arambepola ,  Thushara Hewavithana ,  Noam Tal ,  Shaul Shulman

IPC: H04B3/46 ,  H04B17/345

Abstract: A cable modem system for discovering interference groups (IGs) includes an infrastructure and a cable modem termination system (CMTS). The infrastructure is for transferring data. The CMTS is configured to initiate generation of test signals by a set of cable modems (CMs), obtain a set of test measurements for the set of CMs, discover interference groups (IGs) of the set of CMs based on the obtained set of test measurements and assign a plurality of upstream and downstream channels for the set of CMs that use orthogonal frequency division multiplexing (OFDM) based on the discovered IGs.

公开(公告)号：US20180048417A1

公开(公告)日：2018-02-15

申请号：US15790807

申请日：2017-10-23

Applicant: Intel Corporation

Inventor： Bernard Arambepola ,  Noam Tal ,  Sahan S. Gamage ,  Thushara Hewavithana ,  Shaul Shulman

IPC: H04L1/00 ,  H04L5/00 ,  H04L27/00 ,  H04L27/26

CPC classification number: H04L1/004 ,  H04L1/0041 ,  H04L5/0046 ,  H04L27/0008 ,  H04L27/2634

Abstract: Mixed mode constellation mapping to map a data block to a block of sub-carriers based on a configurable set of one or more constellation mapping schemes, and corresponding mixed mode least likelihood ratio (LLR) de-mapping based on the configurable set of one or more modulation schemes. The set may be configurable to include multiple modulation schemes to provide to a SEvSNR measure that is a non-weighted or weighted average of SEvSNR measures of the multiple modulation schemes. Mixed mode constellation mapping may be useful be configurable to control spectral efficiency versus SNR (SEvSNR) over a range of SNR with relatively fine SNR granularity, and may be configurable to control SEvSNR over a range of SNR at a fixed FEC code rate, which may include a highest available or highest permitted code rate.

公开(公告)号：US10826635B2

公开(公告)日：2020-11-03

申请号：US16274645

申请日：2019-02-13

Applicant: Intel Corporation

Inventor： Nathan Goichberg ,  Shaul Shulman ,  Thushara Hewavithana

IPC: H04L5/14 ,  H04J3/06 ,  H04L25/03 ,  H04L12/28 ,  H04L5/00

Abstract: Synchronizing methods and architectures for cable modems to transmit and receive Full Duplex (FDX) resource block allocations (RBAs) using filter switching and coordinated updating of equalization coefficients. A cable modem including a block of switchable filters, an analog front end (AFE) and a PHY/MAC System on a Chip (SoC) tuner to, at least in part, provide signals to switch the switchable filters in accordance with the RBA changes and synchronize updating tuner equalizations to match filter switching in a coordinated manner by marking received data at the AFE.

公开(公告)号：US20190058623A1

公开(公告)日：2019-02-21

申请号：US15717420

申请日：2017-09-27

Applicant: Intel Corporation

Inventor： Shaul Shulman

IPC: H04L27/36 ,  H04L27/26 ,  H04L1/00

Abstract: A high-speed serial interface (HSIF) for communicating between an analog front end (AFE) and a System on a Chip (SoC) digital radio via a bi-directional serial bit connection for an OFDM cable modem includes generating Status Frames and Data Frames to be communicated between the tuner and AFE and sending the generated Status Frames and Data Frames on a continual basis. Each Frame is a 10-bit K.28 Comma Sync word followed by a payload and when no data is queued to be communicated, Status Frames are sent asynchronously as filler frames.

公开(公告)号：US11539436B2

公开(公告)日：2022-12-27

申请号：US16631578

申请日：2018-01-11

Applicant: Intel Corporation

Inventor： Gerfried Krampl ,  Barak Hermesh ,  Amos Klimker ,  Shaul Shulman ,  Franz-Josef Schaefer ,  Guy Ray

IPC: H04J14/00 ,  H04B10/25 ,  H04B10/27 ,  H04B10/40 ,  H04L9/40

Abstract: A network infrastructure combining data over cable service interface specification (DOCSIS) cable modem management and 10 Gb passive optical network XGPON networking technology. The DOCSIS equipment controls restrict the XGPON to physical layer (layer 1) while the DOCSIS equipment operate at a data link layer and above.

公开(公告)号：US20220021475A1

公开(公告)日：2022-01-20

申请号：US17383698

申请日：2021-07-23

Applicant: Intel Corporation

Inventor： Bernard Arambepola ,  Noam Tal ,  Sahan S. Gamage ,  Thushara Hewavithana ,  Shaul Shulman

IPC: H04L1/00 ,  H04L5/00 ,  H04L27/00 ,  H04L27/26

Abstract: Mixed mode constellation mapping to map a data block to a block of sub-carriers based on a configurable set of one or more constellation mapping schemes, and corresponding mixed mode least likelihood ratio (LLR) de-mapping based on the configurable set of one or more modulation schemes. The set may be configurable to include multiple modulation schemes to provide to a SEvSNR measure that is a non-weighted or weighted average of SEvSNR measures of the multiple modulation schemes. Mixed mode constellation mapping may be useful be configurable to control spectral efficiency versus SNR (SEvSNR) over a range of SNR with relatively fine SNR granularity, and may be configurable to control SEvSNR over a range of SNR at a fixed FEC code rate, which may include a highest available or highest permitted code rate.