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OFDM modulation study for a radio-over-fiber system for wireless LAN (IEEE 802.11a)

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2 Author(s)
G. Singh ; Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore ; A. Alphones

Radio-over-fiber (RoF) technology has several benefits such as larger bandwidth, reduced power consumption etc. that has made it an attractive implementation option for various communication systems including wireless LANs. This paper investigates the feasibility of orthogonal frequency division multiplexing (OFDM) as a modulation technique for a RoF based WLAN system in consistency with IEEE 802.11a. Results from a Matlab system model, which is consistent with the specifications of IEEE 802.11a, have been included to show the BER performance of the OFDM modulation technique. Next, the paper presents the results obtained from measuring several of the main factors affecting the performance of an OFDM system, including channel noise, multipath delay spread, power clipping, and synchronization requirements.

Published in:

Information, Communications and Signal Processing, 2003 and Fourth Pacific Rim Conference on Multimedia. Proceedings of the 2003 Joint Conference of the Fourth International Conference on  (Volume:3 )

Date of Conference:

15-18 Dec. 2003