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Constrained capacities for faster-than-Nyquist signaling

Author

Summary, in English

This paper deals with capacity computations of faster-than-Nyquist

(FTN) signaling. It shows that the capacity of FTN is

higher than the orthogonal pulse linear modulation

capacity for all pulse shapes except the sinc. FTN signals can in fact

achieve the ultimate capacity for the signal power spectral density

(PSD). The paper lower and upper bounds the FTN capacity under the constraint of finite input alphabet. It is often higher than the capacity for comparable orthogonal pulse systems; sometimes it is superior to all forms of orthogonal signaling with the same PSD.

Publishing year

2009

Language

English

Pages

764-775

Publication/Series

IEEE Transactions on Information Theory

Volume

55

Issue

2

Document type

Journal article

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Keywords

  • Shannon capacity
  • Faster than Nyquist signals
  • bandwidth efficiency

Status

Published

Project

  • EIT_HSWC:Coding Coding, modulation, security and their implementation

Research group

  • Telecommunication Theory
  • Informations- och kommunikationsteori

ISBN/ISSN/Other

  • ISSN: 0018-9448