Reductions of peak-to-average power ratio and optical beat interference in cost-effective OFDMA-PONs

A. Tsokanos, Elias Giacoumidis, G. Zardas, A. Kavatzikidis, N.P. Diamantopoulos, I. Aldaya, I. Tomkos

Research output: Contribution to journalArticle

Abstract

The peak-to-average power ratio (PAPR) and optical beat interference (OBI) effects are examined thoroughly in orthogonal frequency-division multiplexing access (OFDMA)-passive optical networks (PONs) at a signal bit rate up to ∼ 20 Gb/s per channel using cost-effective intensity-modulation and direct-detection (IM/DD). Single-channel OOFDM and upstream multichannel OFDM-PONs are investigated for up to six users. A number of techniques for mitigating the PAPR and OBI effects are presented and evaluated including adaptive-loading algorithms such as bit/power-loading, clipping for PAPR reduction, and thermal detuning (TD) for the OBI suppression. It is shown that the bit-loading algorithm is a very efficient PAPR reduction technique by reducing it at about 1.2 dB over 100 Km of transmission. It is also revealed that the optimum method for suppressing the OBI is the TD + bit-loading. For a targeted BER of 1 × 10-3, the minimum allowed channel spacing is 11 GHz when employing six users.

Original languageEnglish
Pages (from-to)44-52
Number of pages9
JournalPhotonic Network Communications
Volume26
Issue number2-3
Early online date6 Aug 2013
DOIs
Publication statusPublished - Dec 2013

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Light interference
Passive optical networks
frequency division multiplexing
Orthogonal frequency division multiplexing
synchronism
costs
interference
Costs
Interference suppression
upstream
spacing
Modulation
retarding
modulation
Hot Temperature

Keywords

  • direct-detection
  • orthogonal frequency-division multiplexing (OFDM)
  • passive optical network (PON)

Cite this

Tsokanos, A., Giacoumidis, E., Zardas, G., Kavatzikidis, A., Diamantopoulos, N. P., Aldaya, I., & Tomkos, I. (2013). Reductions of peak-to-average power ratio and optical beat interference in cost-effective OFDMA-PONs. Photonic Network Communications, 26(2-3), 44-52. https://doi.org/10.1007/s11107-013-0405-3
Tsokanos, A. ; Giacoumidis, Elias ; Zardas, G. ; Kavatzikidis, A. ; Diamantopoulos, N.P. ; Aldaya, I. ; Tomkos, I. / Reductions of peak-to-average power ratio and optical beat interference in cost-effective OFDMA-PONs. In: Photonic Network Communications. 2013 ; Vol. 26, No. 2-3. pp. 44-52.
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Tsokanos, A, Giacoumidis, E, Zardas, G, Kavatzikidis, A, Diamantopoulos, NP, Aldaya, I & Tomkos, I 2013, 'Reductions of peak-to-average power ratio and optical beat interference in cost-effective OFDMA-PONs', Photonic Network Communications, vol. 26, no. 2-3, pp. 44-52. https://doi.org/10.1007/s11107-013-0405-3

Reductions of peak-to-average power ratio and optical beat interference in cost-effective OFDMA-PONs. / Tsokanos, A.; Giacoumidis, Elias; Zardas, G.; Kavatzikidis, A.; Diamantopoulos, N.P.; Aldaya, I.; Tomkos, I.

In: Photonic Network Communications, Vol. 26, No. 2-3, 12.2013, p. 44-52.

Research output: Contribution to journalArticle

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T1 - Reductions of peak-to-average power ratio and optical beat interference in cost-effective OFDMA-PONs

AU - Tsokanos, A.

AU - Giacoumidis, Elias

AU - Zardas, G.

AU - Kavatzikidis, A.

AU - Diamantopoulos, N.P.

AU - Aldaya, I.

AU - Tomkos, I.

PY - 2013/12

Y1 - 2013/12

N2 - The peak-to-average power ratio (PAPR) and optical beat interference (OBI) effects are examined thoroughly in orthogonal frequency-division multiplexing access (OFDMA)-passive optical networks (PONs) at a signal bit rate up to ∼ 20 Gb/s per channel using cost-effective intensity-modulation and direct-detection (IM/DD). Single-channel OOFDM and upstream multichannel OFDM-PONs are investigated for up to six users. A number of techniques for mitigating the PAPR and OBI effects are presented and evaluated including adaptive-loading algorithms such as bit/power-loading, clipping for PAPR reduction, and thermal detuning (TD) for the OBI suppression. It is shown that the bit-loading algorithm is a very efficient PAPR reduction technique by reducing it at about 1.2 dB over 100 Km of transmission. It is also revealed that the optimum method for suppressing the OBI is the TD + bit-loading. For a targeted BER of 1 × 10-3, the minimum allowed channel spacing is 11 GHz when employing six users.

AB - The peak-to-average power ratio (PAPR) and optical beat interference (OBI) effects are examined thoroughly in orthogonal frequency-division multiplexing access (OFDMA)-passive optical networks (PONs) at a signal bit rate up to ∼ 20 Gb/s per channel using cost-effective intensity-modulation and direct-detection (IM/DD). Single-channel OOFDM and upstream multichannel OFDM-PONs are investigated for up to six users. A number of techniques for mitigating the PAPR and OBI effects are presented and evaluated including adaptive-loading algorithms such as bit/power-loading, clipping for PAPR reduction, and thermal detuning (TD) for the OBI suppression. It is shown that the bit-loading algorithm is a very efficient PAPR reduction technique by reducing it at about 1.2 dB over 100 Km of transmission. It is also revealed that the optimum method for suppressing the OBI is the TD + bit-loading. For a targeted BER of 1 × 10-3, the minimum allowed channel spacing is 11 GHz when employing six users.

KW - direct-detection

KW - orthogonal frequency-division multiplexing (OFDM)

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Tsokanos A, Giacoumidis E, Zardas G, Kavatzikidis A, Diamantopoulos NP, Aldaya I et al. Reductions of peak-to-average power ratio and optical beat interference in cost-effective OFDMA-PONs. Photonic Network Communications. 2013 Dec;26(2-3):44-52. https://doi.org/10.1007/s11107-013-0405-3