High-throughput, high-performance OFDM via pseudo-orthogonal carrier interferometry spreading codes

@article{Wiegandt2003HighthroughputHO,
  title={High-throughput, high-performance OFDM via pseudo-orthogonal carrier interferometry spreading codes},
  author={David Wiegandt and Zhiqiang Wu and Carl R. Nassar},
  journal={IEEE Trans. Communications},
  year={2003},
  volume={51},
  pages={1123-1134}
}
The paper introduces to orthogonal frequency-division multiplexing (OFDM) systems a novel pseudo-orthogonal carrier interferometry spreading code which spreads each parallel data stream over all the OFDM carriers. Pseudo-orthogonal carrier interferometry (PO-CI) spreading codes are carefully selected to introduce the following benefits to OFDM: up to 2N parallel data streams can be coded onto N carriers, with little degradation in performance; when rate 1/2 channel coding is applied in addition… CONTINUE READING

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