- 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 48 and 49: CODING PARAMETER FOR NORMAL FECFRAM
- Page 50 and 51: DETAIL OF FEC EMPLOYED INDVBS-2.IT
- Page 52 and 53:
CONVOLUTIONAL CODE BEING USED IN DV
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FEC OPTIONS(FEC FRAMES 64800) FOR Q
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THE COMBINED USE OF BCH AND LDPCCOD
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PERFORMANCE OF FEC12/15/2008 58
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COMPARING DVB-S S AND DVB-S212/15/2
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MPEG4 AVC AND DVB-S2TRANSMISSION ST
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COMPARING DVB-S S AND DVB-S2Sr.NoDV
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DVBS-2 2 WILL PROVIDE SPECTRALEFFIC
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DVB-S2 MODULATOR(CCM AND ACM)12/15/
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BROADCASTERS CAN USE THIS ADDITIONA
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CHOICE OF MODULATION…QPSK & 8PSK
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CHOICE OF MOD. CONT… QPSK CARRIES
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CHOICE OF MOD.CONT… MODULATING TE
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THE ACM AND VCM EMPLOYS BANDWIDTHFR
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NYQUIST ROLL-OFF FACTOR12/15/2008 8
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APPLICATIONS OF DVBS-2 IT SHALL BE
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CONSTANT CODING &MODULATION SIMPLES
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DISTRIBUTION OF MULTIPLE TSMULTIPLE
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V.C.M.CONT… EXAMPLE 1:WE CAN HAVE
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V.C.M.CONT… EXAMPLE 3: ANOTHER AP
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HDTV & SD TV USING V.C.M.12/15/2008
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VCM CONT…12/15/2008 94
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SYSTEM BLOCK DIAGRAM12/15/2008 96
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ACM CONT…12/15/2008 98
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A.C.M.CONT…12/15/2008 100
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A.C.M. CONT…ACM FUNCTIONALITY IS
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A.C.M.CONT…12/15/2008 104
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A.C.M.16APSK CONSTELLATIONCODERATE2
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POTENTIAL BENEFITS OF ACMModeSpectr
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DVBS-2 2 DESIGNED FOR DVB-RCS ACM M
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DVB-RCSSTARMESHDVB-RCSSTAR VSATDVB-
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SO DVB-S2 CAN DO WHAT DVB-S COULD N
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PHYSICAL LAYER FRAMESDVB-S2 DIVIDED
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PHYSICAL LAYER FRAMES12/15/2008 118
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QPSK12/15/2008 120
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16 APSK12/15/2008 122
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BACKWARD COMPATIBILITY(DVB-S S DEMO
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BACKWARD COMPATIBILITY…LP STREAM
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HIERARCHICAL MODULATIONMAKES THE SY
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SYSTEM PERFORMANCEDEPENDING UPON MO
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IMPROVED CODING SCHEME10k=1304 R=0.
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12/15/200812/15/2008 134134MODE,COD
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MODULATION &LDPCCODECODING FOR DVB-
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MODULATION &LDPCCODECODING FOR DVB-
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SUGGESTIONSYour kind advices and su