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Full-duplex DOCSIS/wirelessDOCSIS Small-Scale Field Trial Employing Hybrid Fibre Radio Systems

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4 Author(s)
Pfrommer, H. ; Nanophotonics Technol. Center, Univ. Politecnica de Valencia ; Piqueras, M.A. ; Polo, V. ; Marti, J.

The simultaneous wireline (600 MHz) and wireless (5.5 GHz) transmission of data over cable service interface specification (DOCSIS) signals in a small-scale field trial is reported. The deployed network consists of a 4.2 km fiber link which is part of one CATV operator network infrastructure, a 370 m radio link and an indoor cable distribution network. At the central station (CS), the DOCSIS signal wireless replica is generated by means of an optical harmonic up-conversion technique based on a dual-drive Mach-Zehnder modulator (DD-MZM). The optical signal is fed to a base station (BS) where a packaged asymmetric Fabry-Perot modulator/detector (AFPM) acts simultaneously as a photodetector and an optical modulator. At the BS, the DOCSIS signals are fed either to a wireline or a wireless access network, in a highly flexible approach. Full-duplex operation has been demonstrated for both access types

Published in:

Microwave Symposium Digest, 2006. IEEE MTT-S International

Date of Conference:

11-16 June 2006