Differential circular polarization shift keying with heterodyne detection for free space optical links with turbulence channel

X. Tang; Z. Ghassemlooy; S. Rajbhandari; W. O. Popoola; C. G. Lee

Differential circular polarization shift keying with heterodyne detection for free space optical links with turbulence channel

X. Tang^*, Z. Ghassemlooy, S. Rajbhandari, W. O. Popoola, C. G. Lee

^*Corresponding author for this work

School of Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract / Description of output

A coherent differential circular polarization shift keying (DCPOLSK) scheme for free space optical (FSO) communications is proposed and analyzed. No polarization coordinate alignment is needed and the complexity is thus reduced. The unconditional bit error rate (BER) expression for DCPOLSK in a weak turbulence has been derived, and its performance is compared with the coherent amplitude shift keying (ASK) and the binary phase shift keying (BPSK) employing a single subcarrier. DCPOLSK scheme is highly insensitive to the phase noise of the phase lock loop (PLL) in contrast to the BPSK scheme. We also show that DCPOLSK requires ∼ 3 dB lower signal-to-noise ratio (SNR) in order to achieve the same BER in a weak turbulence environment compared to the ASK scheme.

Original language	English
Title of host publication	16th European Conference on Networks and Optical Communications, NOC 2011
Pages	149-152
Number of pages	4
Publication status	Published - 19 Sept 2011
Event	16th European Conference on Networks and Optical Communications, NOC 2011 - Newcastle-Upon-Tyne, United Kingdom Duration: 20 Jul 2011 → 22 Jul 2011

Conference

Conference	16th European Conference on Networks and Optical Communications, NOC 2011
Country/Territory	United Kingdom
City	Newcastle-Upon-Tyne
Period	20/07/11 → 22/07/11

Cite this

@inproceedings{f6bfb8cbe55b42d5b5050d27c1162716,

title = "Differential circular polarization shift keying with heterodyne detection for free space optical links with turbulence channel",

abstract = "A coherent differential circular polarization shift keying (DCPOLSK) scheme for free space optical (FSO) communications is proposed and analyzed. No polarization coordinate alignment is needed and the complexity is thus reduced. The unconditional bit error rate (BER) expression for DCPOLSK in a weak turbulence has been derived, and its performance is compared with the coherent amplitude shift keying (ASK) and the binary phase shift keying (BPSK) employing a single subcarrier. DCPOLSK scheme is highly insensitive to the phase noise of the phase lock loop (PLL) in contrast to the BPSK scheme. We also show that DCPOLSK requires ∼ 3 dB lower signal-to-noise ratio (SNR) in order to achieve the same BER in a weak turbulence environment compared to the ASK scheme.",

author = "X. Tang and Z. Ghassemlooy and S. Rajbhandari and Popoola, {W. O.} and Lee, {C. G.}",

year = "2011",

month = sep,

day = "19",

language = "English",

isbn = "9781861353733",

pages = "149--152",

booktitle = "16th European Conference on Networks and Optical Communications, NOC 2011",

note = "16th European Conference on Networks and Optical Communications, NOC 2011 ; Conference date: 20-07-2011 Through 22-07-2011",

}

Tang, X, Ghassemlooy, Z, Rajbhandari, S, Popoola, WO & Lee, CG 2011, Differential circular polarization shift keying with heterodyne detection for free space optical links with turbulence channel. in 16th European Conference on Networks and Optical Communications, NOC 2011., 5996255, pp. 149-152, 16th European Conference on Networks and Optical Communications, NOC 2011, Newcastle-Upon-Tyne, United Kingdom, 20/07/11.

TY - GEN

T1 - Differential circular polarization shift keying with heterodyne detection for free space optical links with turbulence channel

AU - Tang, X.

AU - Ghassemlooy, Z.

AU - Rajbhandari, S.

AU - Popoola, W. O.

AU - Lee, C. G.

PY - 2011/9/19

Y1 - 2011/9/19

N2 - A coherent differential circular polarization shift keying (DCPOLSK) scheme for free space optical (FSO) communications is proposed and analyzed. No polarization coordinate alignment is needed and the complexity is thus reduced. The unconditional bit error rate (BER) expression for DCPOLSK in a weak turbulence has been derived, and its performance is compared with the coherent amplitude shift keying (ASK) and the binary phase shift keying (BPSK) employing a single subcarrier. DCPOLSK scheme is highly insensitive to the phase noise of the phase lock loop (PLL) in contrast to the BPSK scheme. We also show that DCPOLSK requires ∼ 3 dB lower signal-to-noise ratio (SNR) in order to achieve the same BER in a weak turbulence environment compared to the ASK scheme.

AB - A coherent differential circular polarization shift keying (DCPOLSK) scheme for free space optical (FSO) communications is proposed and analyzed. No polarization coordinate alignment is needed and the complexity is thus reduced. The unconditional bit error rate (BER) expression for DCPOLSK in a weak turbulence has been derived, and its performance is compared with the coherent amplitude shift keying (ASK) and the binary phase shift keying (BPSK) employing a single subcarrier. DCPOLSK scheme is highly insensitive to the phase noise of the phase lock loop (PLL) in contrast to the BPSK scheme. We also show that DCPOLSK requires ∼ 3 dB lower signal-to-noise ratio (SNR) in order to achieve the same BER in a weak turbulence environment compared to the ASK scheme.

UR - http://www.scopus.com/inward/record.url?scp=80052706365&partnerID=8YFLogxK

M3 - Conference contribution

AN - SCOPUS:80052706365

SN - 9781861353733

SP - 149

EP - 152

BT - 16th European Conference on Networks and Optical Communications, NOC 2011

T2 - 16th European Conference on Networks and Optical Communications, NOC 2011

Y2 - 20 July 2011 through 22 July 2011

ER -

Differential circular polarization shift keying with heterodyne detection for free space optical links with turbulence channel

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