'Ldpc' diaporamas de présentation

Flexible Coding for 802.11n MIMO Systems

1.19k views • 85 slides

Flexible Coding for 802.11n MIMO Systems

885 views • 68 slides

Low Density Parity Check (LDPC) Code Implementation

Low Density Parity Check (LDPC) Code Implementation. Matthew Pregara & Zachary Saigh Advisors: Dr. In Soo Ahn & Dr. Yufeng Lu Dept. of Electrical and Computer Eng. Contents. Background and Motivation Linear Block Coding Example Hard Decision Tanner Graph Decoding Constructing LDPC Codes

1.31k views • 52 slides

Theory and Technology of Error Control Coding

Chapter 7 Low Density Parity Check Codes. Theory and Technology of Error Control Coding. Outline. Introduction of LDPC codes Encoding of LDPC codes Construction of parity check matrix Decoding of LDPC codes Density evolution and EXIT. Y. u. K. o. u. S. h. u. L. i. n. F. o. s.

797 views • 42 slides

LDPC for 11AC

LDPC for 11AC. Authors:. Date: 2010-11-8. Slide 1. Summary. Propose to use the same MCS table for both LDPC and BCC Propose to reuse 11n LDPC PPDU encoding process, regarding codeword length, shortening, puncturing and repetition.

1.06k views • 39 slides

Multi-Rate Layered Decoder Architecture for Block LDPC Codes of the IEEE 802.11n Wireless Standard

Multi-Rate Layered Decoder Architecture for Block LDPC Codes of the IEEE 802.11n Wireless Standard. Kiran Gunnam 1 , Gwan Choi 2 , Weihuang Wang 2 , Mark Yeary 3 1 Marvell Semiconductor, 2 Texas A&M University, 3 University of Oklahoma. Regulatory Patent Information

552 views • 27 slides

Rate 7/8 LDPC Code for 11ay

Rate 7/8 LDPC Code for 11ay. Date: 2016-11-10. Authors:. Introduction. An LDPC code of rate 7/8 was adopted in 802.11REVmc [1] - to further increase the data rate of 802.11ad. By combining the 64QAM modulation, the peak data rate of DMG single carrier can be up to 8Gbps;

254 views • 25 slides

Weijun Tan and J. R. Cruz Communications Signal Processing Laboratory The University of Oklahoma

Weijun Tan and J. R. Cruz Communications Signal Processing Laboratory The University of Oklahoma. SNR Mismatch Effects in LDPC Coded Magnetic Recording Channels. Outline. SNR mismatch effects Wrong SNR may improve performance Sources BCJR channel detection LDPC decoding

280 views • 16 slides

LDPC Investigation for 11bd

LDPC Investigation for 11bd. Date: 2019-03-14. Authors:. Introduction. In January meeting, LDPC was suggested as a promising PHY technology for 11bd [1, 2]. Some preliminary studies were provided together with some other PHY features.

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Simple LDPC-Staircase FEC Scheme for FECFRAME draft-roca-fecframe-ldpc-01

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LDPC for MIMO Systems

LDPC for MIMO Systems. July 8, 2004 Jianuxan Du, du@merl.com Daqing Gu, dgu@merl.com Jinyun Zhang, jzhang@merl.com Mitsubishi Electric Research Lab, Cambridge, MA. Outline. Introduction Quasi-block diagonal LDPC for MIMO systems with layered structure

316 views • 12 slides

Structured LDPC Codes as an Advanced Coding Scheme for 802.11n

Structured LDPC Codes as an Advanced Coding Scheme for 802.11n. September 2004 Aleksandar Purkovic, Sergey Sukobok, Nina Burns, Levent Demirekler, Zhaoyun Huang Nortel Networks (contact: apurkovi@nortelnetworks.com). Background. Several advanced coding candidates so far at the 802.11n:

256 views • 10 slides

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [ Proposal of LDPC (Low Density Parity Code) for LPWA ] Date Submitted: [ 6 July, 2018 ] Source: [ Seiji Kobayashi ] Company [ Sony Semiconductor Solutions Corporation ]

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Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title : [ Proposal of LDPC (Low Density Parity Code) for LPWA ] Date Submitted : [ 6 July, 2018 ] Source : [ Seiji Kobayashi ] Company [ Sony Semiconductor Solutions Corporation ]

74 views • 7 slides