Cost-efficient OFDM generation at 60-GHz by heterodyne technique with direct modulation and envelope detector

Aldaya, Ivan; Gosset, Christophe; Campuzano, Gabriel; Giacoumidis, Elias and Castañón, Gerardo (2013). Cost-efficient OFDM generation at 60-GHz by heterodyne technique with direct modulation and envelope detector. IN: 15th International Conference on Transparent Optical Networks, ICTON 2013. IEEE conference publications . IEEE.

Abstract

A cost-effective radio over fiber system to up-convert and transmit multigigabit signals at 60 GHz is presented. A low intermediate frequency OFDM signal is used to directly modulate a laser, which is combined with an independent unmodulated laser. The generated millimeter wave frequency can be adjusted by tuning the frequency separation between the lasers. Since no external modulator is required, this technique is low-cost and it is easily integrable in a single chip. In this paper, we present numerical results showing the feasibility of generating an IEEE 802.15.3c compliant 3.5-Gbps 60-GHz OFDM. We show that received signal quality is not limited by the lasers' linewidth but by the relative intensity noise.

Publication DOI: https://doi.org/10.1109/ICTON.2013.6602875
Divisions: Engineering & Applied Sciences > Electrical, electronic & power engineering
Engineering & Applied Sciences > Institute of Photonics
Event Title: 15th International Conference on Transparent Optical Networks
Event Type: Other
Event Dates: 2013-06-23 - 2013-06-27
Uncontrolled Keywords: heterodyne detection,OFDM,radio over fiber,Computer Networks and Communications,Electrical and Electronic Engineering,Electronic, Optical and Magnetic Materials
Published Date: 2013

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