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W-Band OFDM for Radio-over-Fiber Direct-Detection Link Enabled by Frequency Nonupling Optical Up-Conversion

Alavi, SE, Amiri, IS, Khalily, M, Fisal, N, Supa'at, ASM, Ahmad, H and Idrus, SM (2014) W-Band OFDM for Radio-over-Fiber Direct-Detection Link Enabled by Frequency Nonupling Optical Up-Conversion IEEE Photonics Journal, 6 (6).

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Abstract

© 2009-2012 IEEE.A system involving W-band (75-110 GHz) optical millimeter (mm)-wave generation using the external optical modulator (EOM) in a radio-over-fiber (RoF) link is presented for satisfying the requirements for multi-gigabit-per-second data rates. A 90-GHz mm-wave signal was generated by a nonupling (nine times) increase in only a 10-GHz local oscillator by biasing the EOM at its zero level and choosing an appropriate modulation index. To achieve a fast transmission speed wirelessly, high spectral efficiency (SE), and better transmission performance, orthogonal frequency-division multiplexing (OFDM) is used. The bit error rate (BER) and error vector magnitude (EVM) of the system were measured for three different fiber lengths and for a wireless distance of 1-5 m. The results show that the system with the SE of ∼4 (b/s)/Hz and 16-ary quadrature amplitude modulation (QAM) 40-GB/s OFDM signals can be received by the end user with BER less than 3.8 × 10-3 and EVM less than 25% over a 50-km optical fiber and 3-m wireless link.

Item Type: Article
Authors :
NameEmailORCID
Alavi, SEUNSPECIFIEDUNSPECIFIED
Amiri, ISUNSPECIFIEDUNSPECIFIED
Khalily, Mm.khalily@surrey.ac.ukUNSPECIFIED
Fisal, NUNSPECIFIEDUNSPECIFIED
Supa'at, ASMUNSPECIFIEDUNSPECIFIED
Ahmad, HUNSPECIFIEDUNSPECIFIED
Idrus, SMUNSPECIFIEDUNSPECIFIED
Date : 1 December 2014
Identification Number : https://doi.org/10.1109/JPHOT.2014.2366166
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:50
Last Modified : 17 May 2017 15:13
URI: http://epubs.surrey.ac.uk/id/eprint/840510

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