Viterbi-Encoded 64-Subcarrier OFDM System with 16QAM Modulation
- Login to Download
- 1 Credits
Resource Overview
Implementation of a 64-subcarrier OFDM system with Viterbi encoding and 16QAM modulation over Gaussian channels, including key algorithmic components and performance characteristics.
Detailed Documentation
In Gaussian channels, we can implement a 64-subcarrier OFDM transmission system using 16QAM modulation combined with Viterbi encoding techniques. This modulation scheme enables higher data transmission rates and improved interference resistance. The implementation typically involves several key components: OFDM modulation/demodulation using FFT/IFFT operations, 16QAM constellation mapping with Gray coding for optimal bit error performance, and Viterbi decoding with trellis-based path metric calculations. By incorporating this modulation approach in the channel, we can effectively enhance system performance through convolutional encoding for error correction and optimal sequence estimation via the Viterbi algorithm. The code implementation would typically include subcarrier allocation, cyclic prefix insertion, and soft-decision decoding metrics for robust performance in noisy environments.
- Login to Download
- 1 Credits