A Comprehensive Performance Analysis of Direct Detection Receivers inWDMASystems

سال انتشار: 1387
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 232

فایل این مقاله در 13 صفحه با فرمت PDF قابل دریافت می باشد

استخراج به نرم افزارهای پژوهشی:

لینک ثابت به این مقاله:

شناسه ملی سند علمی:

JR_JIAE-5-2_002

تاریخ نمایه سازی: 13 تیر 1396

چکیده مقاله:

In this work the performance of a wavelength division multiple access (WDMA) system with direct detection receiver is investigated. For this purpose, the probability of error in a WDMA network with OOK modulation considering crosstalk, ISI, photo detector noise and thermal noise is calculated and the effect of each on system performance is investigated. The system performance in presence of PIN and APD Photo detectors are compared. Besides the accurate calculations of bit error rate, these calculations have also been performed using Gaussian, Chernoff bound and modified Chernoff bound approximations for the decision variable. Results of our calculations of the photo detector noise penalty in presence PIN and APD photo detectors are presented and compared for different number of channels. Also, from the calculations of the receiver sensitivity, an optimum value for the avalanche gain of APD is obtained. The superiority of APD over PIN photo detection is also demonstrated.

کلیدواژه ها:

Wavelength division multiple access (WDMA) ، Photo detectors ، Direct detection receivers

نویسندگان

M Moulavi-Kakhki

Associate Professor, Faculty of Electrical Engineering, Ferdowsi University of Mashhad, Mashhad, Iran

D Rejaly

M. Sc., Faculty of Electrical Engineering, Ferdowsi University of Mashhad, Mashhad, Iran