outputs, determines the distribution of the number of iterations performed by the LDPC decoder, and shows the received symbol constellation. For more information regarding system structure, simplifications, and assumptions used for this example, see theDVB-S.2 Link, Including LDPC Coding in Simulink...
DVB-S.2 Link, Including LDPC Coding in Simulink Refer to these examples to gain the background necessary to understand this bent pipe example. Model Overview This example loads a MAT-file with DVB-S2 LDPC parity matrices. If the MAT-file is not available on the MATLAB® path, ...
The LCD01D is a high speed decoder for the DVB-S2/DVB-S2X low density parity check (LDPC) and Bose, Chaudhuri and Hocquenghem (BCH) code standard. All modulation and coding combinations are supported. View DVB-S2/DVB-S2X Demapper/LDPC/BCH Decoder full description to... see the entire...
Its initial standard for satellite delivery of digital television, dubbed DVB-S, used a concatenation of an outer (204,188) byte shortened Reed Solomon code and an inner constraint length 7, variable rate (r ranges from 1/2 to 7/8) convolutional code [1]. The same infrastructure used to...
T. Jokela, "Performance analysis of substituting dvb-s2 ldpc code for dvb-t error control coding system," 31 2008-April 2 2008, pp. 1-5.T. Jokela, "Performance Analysis of Substituting DVB-S2 LDPC Code for DVB-T Error Control Coding System," Proc. IEEE Broadband Multimedia Systems and ...
(iii)reasonablereceivercomplexity.Toachievethebestperformance-complexitytrade-off,quantifiableinabout30%capacitygainoverDVB-S,DVB-S2benefitsfrommorerecentdevelopmentsinchannelcodingandmodulation.Forinteractivepoint-to-pointapplica-tionssuchasIPunicasting,theadoptionoftheAdaptiveCoding&Modulation(ACM)functionalityallowsus...
この例では、米国の DIRECTV が展開する第 2 世代デジタル ビデオ放送規格 (DVB-S.2) の低密度パリティ チェック (LDPC) 符号の応用について説明します。Communications System object を使用し、LDPC の符号化と復号化を含む送信機と受信機のチェーンをシミュレートします。
(1:90); phyParams = dvbsPLHeaderRecover(rxPLHeader,Mode="DVB-S2/S2X regular"); M = phyParams.ModulationOrder; R = eval(phyParams.LDPCCodeIdentifier); fecFrame = phyParams.FECFrameLength; pilotStat = phyParams.HasPilots; xFECFrameLen = fecFrame/log2(M); % Validate the decoded PL ...
MATTHEW PAUL ATHOL TAYLORSAMUEL ASANBENG ATUNGSIRITAKASHI YOKOKAWAMAKIKO YAMAMOTOTaylor M PA,Atungsiri S A,Yokokawa T, et al.Low density parity check (LDPC)coding for a32K mode interleaver in a digital video broadcasting (DVB) standard. U.S. Patent8,179,955 . 2012...
(LDPC) encoded data bits obtained by performing LDPC encoding according to a parity check matrix of an LDPC code including a parity matrix corresponding to parity bits of the LDPC code, the parity matrix having a stepwise structure, so that a parity bit of the LDPC encoded data bits is ...