Joint Demapping and Decoding for DQPSK Optical Coherent Receivers
Abstract
We present a low-complexity joint demapper-decoder scheme for coherent optical receivers with DQPSK modulation. The new technique reduces to 0.7dB the gap between QPSK and DQPSK in 100Gb/s coherent optical systems.
- Publication:
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arXiv e-prints
- Pub Date:
- June 2012
- DOI:
- 10.48550/arXiv.1206.4914
- arXiv:
- arXiv:1206.4914
- Bibcode:
- 2012arXiv1206.4914C
- Keywords:
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- Computer Science - Information Theory