Multidimensional pulse-position coded-modulation for deep-space optical communication

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

In order to achieve multigigabit transmission (projected for 2020) for the use in interplanetary communications, in this letter, we propose the use of multidimensional pulse-position modulation (PPM). From Shannon's theory, we know that information capacity is a logarithmic function of signal-to-noise ratio, but a linear function of number of dimensions. By using pulse-positions as a basis function, we can improve the spectral efficiency of conventional PPM. The N-dimensional PPM (ND-PPM) can, therefore, be used to solve the high-bandwidth requirements of future deep-space optical communications. The N-dimensional signal constellation can be obtained as N-dimensional Cartesian product one-dimensional pulse-amplitude modulation constellation. The improvement of ND-PPM over PPM for N=8 in strong turbulence regime is even 3.21 dB at a bit-error rate (BER) of 10-5. In addition, the spectral efficiency of the proposed scheme is N/log2 N times better than that of PPM.

Original languageEnglish (US)
Article number5936098
Pages (from-to)1355-1357
Number of pages3
JournalIEEE Photonics Technology Letters
Volume23
Issue number18
DOIs
StatePublished - 2011

Fingerprint

pulse position modulation
Pulse position modulation
deep space
Optical communication
optical communication
constellations
interplanetary communication
Pulse amplitude modulation
pulse amplitude modulation
Channel capacity
Bit error rate
bit error rate
Signal to noise ratio
Turbulence
signal to noise ratios
Bandwidth
turbulence
bandwidth
Communication
requirements

Keywords

  • Atmospheric turbulence
  • coded modulation
  • deep-space optical communication
  • low-density parity-check (LDPC) codes
  • multidimensional pulse-position modulation

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials

Cite this

Multidimensional pulse-position coded-modulation for deep-space optical communication. / Djordjevic, Ivan B.

In: IEEE Photonics Technology Letters, Vol. 23, No. 18, 5936098, 2011, p. 1355-1357.

Research output: Contribution to journalArticle

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