Performance of linecoded optical heterodyne FSK systems with nonuniform laser FM response

Majumder, S. P.; Gangopadhyay, R.; Alam, Mohammad S.; Prati, G.

doi:10.1109/50.372475

Cited by 9 publications

(5 citation statements)

References 22 publications

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“…For a given IF SNR, the conditional bit error probability, PðejxÞ conditioned on a given value of x and differential group delay Dt, can be obtained following [19]. For a given IF SNR, the conditional bit error probability, PðejxÞ conditioned on a given value of x and differential group delay Dt, can be obtained following [19].…”

Section: Cpfsk With Nrz Datamentioning

confidence: 99%

“…For the lincoded signal, the pulse shaping function cðtÞ can be obtained from the following Cðf Þ for AMI, DM and order-1 coding are given by equation (30), (31) and (32) respectively [19], …”

Section: Cpfsk With Linecodingmentioning

confidence: 99%

“…is the scaling factor, cðtÞ¼1; 0<t<T=2, and the elementary signals s i ðtÞ for i ¼ 1; 2; 3; 4 in terms of cðtÞ are given by[19] …”

mentioning

confidence: 99%

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Mitigation of Polarization Mode Dispersion in an Optical Heterodyne CPFSK Transmission System using Line Codes

Islam¹,

Majumder²

2009

Journal of Optical Communications

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A theoretical analysis for evaluating the performance of line codes in the polarization mode dispersion (PMD) mitigation of an optical heterodyne continuous phase frequency shift keying (CPFSK) transmission system with delay demodulation receiver is presented. It accounts for the combined effects of signal phase distortion due to PMD and chromatic dispersion in a single mode fiber. The analysis is carried out for three different linecoding schemes, i. e., alternate mark inversion, order-1 and delay modulation coding, to investigate the efficacy of the linecoding in counteracting the effect of PMD in CPFSK optical transmission system. Performance results are evaluated in terms of average bit error rate (BER) with line codes and compared with NRZ-CPFSK system at a bit rate of 10 Gbit/s considering Maxwellian probability distribution for the mean differential group delay (DGD) due to PMD. The results show that the penalty improvement of line coded systems is within 0.5 dB to 1.95 dB with respect to NRZ data for mean DGD 30 ps and at a BER of 10 -9 .

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Section: Cpfsk With Nrz Datamentioning

confidence: 99%

Section: Cpfsk With Linecodingmentioning

confidence: 99%

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Mitigation of Polarization Mode Dispersion in an Optical Heterodyne CPFSK Transmission System using Line Codes

Islam¹,

Majumder²

2009

Journal of Optical Communications

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“…The weight w h and nodes x h are evaluated from the knowledge of the moments of the random process Δφ,φ,,,Ο) which can be evaluated by using the recursive relation given in [10]. The weight w h and nodes x h are evaluated from the knowledge of the moments of the random process Δφ,φ,,,Ο) which can be evaluated by using the recursive relation given in [10].…”

Section: Derivation Of Bit Error Rate (Ber)mentioning

confidence: 99%

Analytical Evaluation of the Impact of Cross-phase Modulation (XPM) on the BER Performance of a WDM Transmission System

Zahidin¹,

Majumder²,

Muhammad³

et al. 2005

Journal of Optical Communications

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A detail analytical formulation is presented to study the impact of cross-phase modulation (XPM) induced phase shift on the bit error rate (BER) performance of a wavelength division multiplexing (WDM) transmission system with intensity modulation and direct detection (IM/DD). The analysis is carried out to determine the influence of XPM on the pulse shape at the fiber output at the receiving end which results in inter-symbol interference (ISI). Results evaluated at a bit rate of 10 Gbit/s show that the pulse received at the output of the direct detection receiver is much distorted due to the effect of XPM when the fiber input power level is higher than 0 dBm and there is a significant amount power penalty at a BER of 1(T 9 . Also the effects of ISI due to XPM induced phase shift is proportional to bit rate and inversely proportional to walkoff parameter. It is evident that power penalty is higher for longer fiber transmission making long distance transmission severely impaired.

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“…Alternatively, the line coding technique is an effective way to overcome the problem described above. In the literature, some line coding techniques had also been discussed for applications in optical communication systems [17][18][19].…”

Section: Introductionmentioning

confidence: 99%

Trellis ternary line coding scheme for asynchronous optical CDMA systems

Liu

Tsao

Jiang

2009

Optik

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Performance of linecoded optical heterodyne FSK systems with nonuniform laser FM response

Cited by 9 publications

References 22 publications

Mitigation of Polarization Mode Dispersion in an Optical Heterodyne CPFSK Transmission System using Line Codes

Mitigation of Polarization Mode Dispersion in an Optical Heterodyne CPFSK Transmission System using Line Codes

Analytical Evaluation of the Impact of Cross-phase Modulation (XPM) on the BER Performance of a WDM Transmission System

Trellis ternary line coding scheme for asynchronous optical CDMA systems

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