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Simplified WDM optical beamforming network for large antenna arrays
Vidal Rodríguez, Borja; Mengual Chulia, Teresa; Ibáñez López, Cristina; Martí Canalez, Javier; McKenzie, Iain; Vez, Emilio; Santamaría, Javier; Dalmases Marquina, Francesc; Jofre Roca, Lluís
Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Universitat Politècnica de Catalunya. ANTENNALAB - Grup d'Antenes i Sistemes Radio
A novel approach to simplify optical beamforming networks based on wavelength-division-multiplexing (WDM) optical sources and a dispersive medium is proposed. The technique relies on the combination of dispersive and nondispersive time delays to allow the reuse of optical carriers. Thus, the number of required optical sources, which is one of the main limitations of WDM-based beamforming architectures, can be drastically reduced. The approach eases the implementation of these architectures in large antenna arrays, reducing the cost, size, and complexity of the beamformer. Preliminary experimental results are provided to validate the concept.
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica
Antenna arrays
Optical fiber communication
Dispersive meduim
Dispersive time delays
Large antenna arrays
Microwave photonics
Nondispersive time delays
Optical beamorming network
Optical carriers
Optical fibre dispersion
Optical fibre networks
Optical sources
Wavelength division multiplexing
Antenes -- Agrupacions -- Disseny
Fibres òptiques -- Sistemes de comunicació

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