114 MN.00356.E - 003
17.2 THROUGHPUT
Tab.19 - Net Radio Throughput in Mbit/s versus channel bandwidth for ALFOplus2 equipment
(1+0 configuration)
17.3 ACM SHIFTING THRESHOLDS
In this paragraph are present the ACM upshift and downshift thresholds depending on the bandwidth.
4096QAM modulation scheme is not available with 14MHz channel bandwidth.
Modulation
Type
Channel bandwidth (MHz)
14 20 28 30 40 56 80 112
4QAMs 17.0 23.0 35.0 35.5 48.0 71.0 99.0 142.5
4QAM 20.0 27.0 41.0 41.5 56.5 83.5 116.0 167.5
16QAMs 35.0 47.0 71.5 72.5 98.5 142.5 198.0 285.5
16QAM 40.0 54.0 82.5 83.5 113.5 164.5 229.0 330.0
32QAM 50.5 68.0 103.5 105.0 142.5 205.5 286.0 412.0
64QAM 63.5 85.0 129.5 131.5 178.0 262.0 364.5 525.0
128QAM 76.5 103.0 156.5 159.0 215.0 311.0 432.5 623.0
256QAM 86.5 116.5 177.0 180.0 243.5 358.5 498.5 718.0
512QAM 96.5 130.0 197.0 200.5 271.5 399.5 555.0 799.5
1024QAM 106.0 142.5 220.0 224.0 303.0 446.0 620.5 893.5
2048QAM 112.5 151.5 230.0 233.5 316.5 468.0 651.0 937.0
4096QAM - - 251.0 255.0 348.0 511.5 711.5 1024.0
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