LDPC-Coded OFDM for Heterogeneous Access Optical Networks

Ivan B Djordjevic, Hussam G. Batshon

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

In this paper, we propose a heterogeneous optical access networking scenario, in which communication links between source and destination nodes are heterogeneous, composed of free-space optical, plastic optical fiber (POF), and indoor infrared (IR) links. To deal with bandwidth limitations of POF and IR links, a power-variable rate-adaptive low-density parity-check (LDPC)-coded orthogonal frequency division multiplexing (OFDM) scheme is used, while to deal with atmospheric turbulence, the spatial diversity is used. The rate-adaptive LDPC codes are designed using a modified progressive edge-growth (MPEG) algorithm. We show that with the proposed heterogeneous communication systems, we can deliver a high-speed optical signal (40 Gb/s and beyond) to an end-user.

Original languageEnglish (US)
Pages (from-to)611-619
Number of pages9
JournalIEEE Photonics Journal
Volume2
Issue number4
DOIs
StatePublished - 2010

Fingerprint

frequency division multiplexing
Fiber optic networks
Orthogonal frequency division multiplexing
Telecommunication links
Plastic optical fibers
plastic fibers
parity
optical fibers
Infrared radiation
Atmospheric turbulence
atmospheric turbulence
optical communication
telecommunication
Communication systems
communication
high speed
bandwidth
Bandwidth

Keywords

  • access networks
  • adaptive power loading
  • Heterogeneous optical networking
  • low-density parity-check (LDPC) codes
  • orthogonal frequency division multiplexing (OFDM)
  • rate-adaptive coding

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

Cite this

LDPC-Coded OFDM for Heterogeneous Access Optical Networks. / Djordjevic, Ivan B; Batshon, Hussam G.

In: IEEE Photonics Journal, Vol. 2, No. 4, 2010, p. 611-619.

Research output: Contribution to journalArticle

Djordjevic, Ivan B ; Batshon, Hussam G. / LDPC-Coded OFDM for Heterogeneous Access Optical Networks. In: IEEE Photonics Journal. 2010 ; Vol. 2, No. 4. pp. 611-619.
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