DVB S2 â AN ULTIMATE STANDARD FOR SATELLITE TV ...

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CODING PARAMETER <strong>FOR</strong> NORMAL FECFRAME RATE Nldpc 64800 BITSLDPCCODEBCH UNCODEDBLOCKKbch BITSBCH CODED BLOCK Nbch LDPCUNCODED BLOCK Kldpc BITSBCH t-ERROR tCORRECTION BYTESLDPC CODEDBLOCKNldpl BITS1/4160081620012648001/3214082160012648002/5257282592012648001/2322083240012648003/5386883888012648002/3430404320010648003/4484084860012648004/5516485184012648005/6538405400010648008/957472576008648009/10581925832086480012/15/2008 48
BCH CODES GENERATE VERY FEW OVERHEADSCOMPARED TO REED SOLOMEN CODE.12/15/2008 49
Page 6 and 7: FEC FOR DVB-S S AND DVB-DSNGDSNG EM
Page 8 and 9: QPSK AND 8PSK ARE RUGGEDMODULATING
Page 10 and 11: 16QAM IS SENSITIVE TO AM TOPM CONVE
Page 12 and 13: REED SOLOMEN CODE(OUTER CODE) BYTEL
Page 14 and 15: CONVOLUTIONAL CODE(INNER CODE)-2CON
Page 16 and 17: INTERLEAVER (BYTE LEVEL)BREAKS UP B
Page 18 and 19: CODING GAIN12/15/2008 18
Page 20 and 21: SHANON THEOREM-2IN GENERAL RF POWER
Page 22 and 23: DVB-S S SPECIFIES ROLL OFF FACTORα
Page 24 and 25: CHOICE OF ModulationMODULATION-2BPS
Page 26 and 27: DVB-DSNGDSNGTHIS STANDARD SPECIFIES
Page 28 and 29: DVB-DSNGDSNGDVB-DSNG DSNG SPECIFIES
Page 30 and 31: DESPITE EXTRA POWER OR NEED OF BIGG
Page 32 and 33: DVB-S2NEW BANDWIDTH EFFICIENT STAND
Page 34 and 35: HOW IT IS POSSIBLE ?3.USING MORE ST
Page 36 and 37: BOTH DVB-S S AND DVB-DSNG DSNG AREA
Page 38 and 39: APPLICATIONS OF DVB-S2THE DVB-S2 SY
Page 40 and 41: KEY CONCEPTS-2TO ACHIEVE THE BESTPE
Page 42 and 43: KEY CONCEPTS-4DVB-S2 IS SO FLEXIBLE
Page 44 and 45: CHARACTERISTICS ANDBENEFITS OF DVB-
Page 46 and 47: NEW FECMORE EFFICIENT FORWARD ERROR
Page 50 and 51: DETAIL OF FEC EMPLOYED INDVBS-2.IT
Page 52 and 53: CONVOLUTIONAL CODE BEING USED IN DV
Page 54 and 55: FEC OPTIONS(FEC FRAMES 64800) FOR Q
Page 56 and 57: THE COMBINED USE OF BCH AND LDPCCOD
Page 58 and 59: PERFORMANCE OF FEC12/15/2008 58
Page 60 and 61: COMPARING DVB-S S AND DVB-S212/15/2
Page 62 and 63: MPEG4 AVC AND DVB-S2TRANSMISSION ST
Page 64 and 65: COMPARING DVB-S S AND DVB-S2Sr.NoDV
Page 66 and 67: DVBS-2 2 WILL PROVIDE SPECTRALEFFIC
Page 68 and 69: DVB-S2 MODULATOR(CCM AND ACM)12/15/
Page 70 and 71: BROADCASTERS CAN USE THIS ADDITIONA
Page 72 and 73: CHOICE OF MODULATION…QPSK & 8PSK
Page 74 and 75: CHOICE OF MOD. CONT… QPSK CARRIES
Page 76 and 77: CHOICE OF MOD.CONT… MODULATING TE
Page 78 and 79: THE ACM AND VCM EMPLOYS BANDWIDTHFR
Page 80 and 81: NYQUIST ROLL-OFF FACTOR12/15/2008 8
Page 82 and 83: APPLICATIONS OF DVBS-2 IT SHALL BE
Page 84 and 85: CONSTANT CODING &MODULATION SIMPLES
Page 86 and 87: DISTRIBUTION OF MULTIPLE TSMULTIPLE
Page 88 and 89: V.C.M.CONT… EXAMPLE 1:WE CAN HAVE
Page 90 and 91: V.C.M.CONT… EXAMPLE 3: ANOTHER AP
Page 92 and 93: HDTV & SD TV USING V.C.M.12/15/2008
Page 94 and 95: VCM CONT…12/15/2008 94
Page 96 and 97: SYSTEM BLOCK DIAGRAM12/15/2008 96
Page 98 and 99:
ACM CONT…12/15/2008 98
Page 100 and 101:
A.C.M.CONT…12/15/2008 100
Page 102 and 103:
A.C.M. CONT…ACM FUNCTIONALITY IS
Page 104 and 105:
A.C.M.CONT…12/15/2008 104
Page 106 and 107:
A.C.M.16APSK CONSTELLATIONCODERATE2
Page 108 and 109:
POTENTIAL BENEFITS OF ACMModeSpectr
Page 110 and 111:
DVBS-2 2 DESIGNED FOR DVB-RCS ACM M
Page 112 and 113:
DVB-RCSSTARMESHDVB-RCSSTAR VSATDVB-
Page 114 and 115:
SO DVB-S2 CAN DO WHAT DVB-S COULD N
Page 116 and 117:
PHYSICAL LAYER FRAMESDVB-S2 DIVIDED
Page 118 and 119:
PHYSICAL LAYER FRAMES12/15/2008 118
Page 120 and 121:
QPSK12/15/2008 120
Page 122 and 123:
16 APSK12/15/2008 122
Page 124 and 125:
BACKWARD COMPATIBILITY(DVB-S S DEMO
Page 126 and 127:
BACKWARD COMPATIBILITY…LP STREAM
Page 128 and 129:
HIERARCHICAL MODULATIONMAKES THE SY
Page 130 and 131:
SYSTEM PERFORMANCEDEPENDING UPON MO
Page 132 and 133:
IMPROVED CODING SCHEME10k=1304 R=0.
Page 134 and 135:
12/15/200812/15/2008 134134MODE,COD
Page 136 and 137:
MODULATION &LDPCCODECODING FOR DVB-
Page 138 and 139:
MODULATION &LDPCCODECODING FOR DVB-
Page 140:
SUGGESTIONSYour kind advices and su
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