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Photonics 2014, 1(2), 146-153; doi:10.3390/photonics1020146

Photonic-Based RF Transceiver for UWB Multi-Carrier Wireless Systems

1,* , 2
1 CNIT, National Photonic Network Laboratory, Via Moruzzi, 1, 56124 Pisa, Italy 2 TeCIP Institute, Scuola Superiore Sant'Anna, Via Moruzzi, 1, 56124 Pisa, Italy These authors contributed equally to this work.
* Author to whom correspondence should be addressed.
Received: 31 January 2014 / Revised: 7 May 2014 / Accepted: 9 May 2014 / Published: 22 May 2014
(This article belongs to the Special Issue All Optical Networks for Communications)
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In this paper an all-optical system exploitable as the core structure for a photonic-based RF transceiver is presented. The proposed scheme is able to simultaneously perform either up- or down-conversion of multiple frequency Ultra-Wide Band (UWB) RF signals, employing a single Mode-Locking Laser (MLL). The system has been experimentally demonstrated and tested by up- and down-converting orthogonal frequency division multiplexing (OFDM) signals over a bandwidth of about 4 GHz. The scheme’s performance has been validated by measuring the error vector magnitude (EVM) of the OFDM signals over the whole considered RF spectrum (from 5 GHz to 26.5 GHz), both in up-conversion and in down-conversion. The measurements show negligible power penalties, lower than 0.5 dB. Since the proposed scheme can act either as an up- or down-converter, and it is composed by easily integratable devices, two identical structures can be combined on a single integrated platform, sharing a single MLL, to build a compact and efficient UWB transceiver.
Keywords: mode-locked laser; wireless; microwave photonics mode-locked laser; wireless; microwave photonics
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Scotti, F.; Laghezza, F.; Ghelfi, P.; Pinna, S.; Serafino, G.; Bogoni, A. Photonic-Based RF Transceiver for UWB Multi-Carrier Wireless Systems. Photonics 2014, 1, 146-153.

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