Soluciones de capas inferiores de ondas milimétricas de 60 GHz: Multiplexión de Acceso, Consciencia Energética, y el Valor Pico en Relación a la Potencia Media (60 GHz Millimeter-wave Bottom-Layer Solutions: Multiplexing Access, Energy Awareness, and Peak-to-Average-Power Ratio)

Claudio Estevez (cestevez@ing.uchile.cl)1, César Azurdia (cazurdia@ing.uchile.cl)1


1Universidad de Chile

This paper appears in: Revista IEEE América Latina

Publication Date: Nov. 2015
Volume: 13,   Issue: 11 
ISSN: 1548-0992


Abstract:
A clear trend shows that cells are smaller, more homogeneously distributed, higher frequency oriented, and more energy conscious. This points toward wireless systems that implement millimeter-wave modulation; therefore, improving its usability is essential for the communication systems evolution. The proposed bottom-layer solutions are (1) a variable slot time multiplexing access technique with an energy-conservation feature that supports self-sustainability, and (2) SC-FDMA as the technology implemented at the physical layer to minimize the peak-to-average-power ratio (PAPR) of the system. It is shown that the multiplexing protocol has advantages over TDMA, self-sustainability is feasible, and SC-FDMA reduces the PAPR of the modulated signal.

Index Terms:
energy self-sustainability, millimeter-wave, multiplexing, peak-to-average power ratio (PAPR), SC-FDMA   


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