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Full-duplex DOCSIS/WirelessDOCSIS fiber-radio network employing packaged AFPM-based base-stationsby: H Pfrommer, MA Piqueras, J Herrera, V Polo, A Martinez, S Karlsson, O Kjebon, R Schatz, Y Yu, Y Yu, T Tsegaye, A10, CP Liu, A11, CH Chuang, A12, A Enard, A13, F Van Dijk, A14, AJ Seeds, A15, J Marti, A16
Photonics Technology Letters, IEEE, Vol. 18, No. 2. (2006), pp. 406-408.
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AbstractThe simultaneous wireline (600 MHz) and wireless (5.5 GHz) transmission of data over cable service interface specification (DOCSIS) signals in a hybrid fiber-radio access network is presented. The DOCSIS signal wireless replica is generated by means of an optical harmonic up-conversion technique based on a dual-drive Mach-Zehnder modulator. The optical signal is fed to a base station (BS) where a packaged asymmetric Fabry-Pe/spl acute/rot modulator/detector acts simultaneously as a photodetector and an optical modulator. At the BS, the DOCSIS signals can be 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, including indoor wireless transmission.
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