Spectral Efficient Communications Employing 1-Bit Quantization and Oversampling at the Receiver

To relax power consumption requirements in multi- gigabit/s communications systems low resolution quantization can be used. Information-theoretic results have shown that systems employing 1-bit quantization and oversampling are a viable option for this. This work investigates such a structure under the influence of additive Gaussian noise and two matched pulse shaping filters. It is described how a BCJR algorithm, based on a finite-state channel assumption, can be used to reconstruct symbols of higher order modulation schemes that allow the transmission of more than one bit per symbol. Furthermore, it is shown how symbol sources that are fitted to the 1-bit constraint can significantly improve the error rate performance of the system.

• Publication year

  2014

• Venue

  IEEE Vehicular Technology Conference

• Publication date

  2014-12-04

• Fields of study

  Mathematics, Computer Science, Engineering

• Identifiers
  DOI 10.1109/VTCFall.2014.6966184arXiv 1604.03295
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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