OFDM Generation Utility 703082 (DISCONTINUED)

OFDM

VB8300, VG3000/VG6000

FDM Generation Utility Software 703082

OFDM Modulation Parameter
-Modulation Parameter

• FFT Points: 16-4096**
• Number of sub carriers: Less than FFT points
• Modulation format of sub carriers:
• BPSK, QPSK, Π/4DQPSK, 8PSK, 16QAM, 64QAM and these deferential
• Mapping type: Gray Code/Square Code
• Offset frequency:
• 0 or 0.5 (time ratio of FFT)
• Use of zero carrier: ON/OFF
• Pre-guard: 0-FFT points
• Post-guard: 0-Pre-guard
• Range of overlap: 0-Post-guard
• Input data: PN2-15 steps, user data
• Number of over sample: 1-16
• Filter at output grade: Raised Cosine, Chebysev, Butterworth
• Control function of output level
• Additional function of training data