Title :
Coded Orthogonal Frequency Division Multiplexing (COFDM) Transmission over Graded-Index Multimode Fiber
Author :
Obayya, S.S.A. ; Matarneh, Aser M. ; Robertson, I.D.
Author_Institution :
Sch. of Electron. & Electr. Eng., Univ. of Leeds, Leeds
Abstract :
This paper presents a complete experimental low-cost downlink setup for the transmission of QPSK-COFDM signal over standard graded index multimode fiber. Moreover, many parameters are assessed in detail such as the effect of the fiber lengths, RMS delay spread, link gain, noise figure and AM-AM/AM-PM to investigate the link performance. This experimental work has been carried out in frequency and time domains. It has been observed that the frequency selectivity becomes significant with increasing the length of the MMF. This reveals the need for COFDM.
Keywords :
OFDM modulation; amplitude modulation; gradient index optics; modulation coding; optical fibre communication; optical modulation; optical noise; phase modulation; quadrature phase shift keying; AM-AM effect; AM-PM effect; COFDM transmission; MMF link; QPSK-COFDM signal; RMS delay spread; coded orthogonal frequency division multiplexing; frequency-domain analysis; graded-index multimode fiber; noise figure; quadrature phase shift keying; time-domain analysis; Delay effects; Noise figure; OFDM modulation; Optical distortion; Optical fiber cables; Optical fiber communication; Optical fiber couplers; Optical fibers; Optical noise; Vertical cavity surface emitting lasers;
Conference_Titel :
PhotonicsGlobal@Singapore, 2008. IPGC 2008. IEEE
Conference_Location :
Singapore
Print_ISBN :
978-1-4244-3901-0
Electronic_ISBN :
978-1-4244-2906-6
DOI :
10.1109/IPGC.2008.4781424
