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In this talk, our recent R&D activities a green, elastic next-generation (NG) access network based upon coherent interleaved-frequency division multiple access (IFDMA), a special class of OFDMA will be presented. Conventional OFDMA systems require power-consuming IFFT in the transmitter. It will be shown that “Green” can be realized in the generation of IFDMA signals by replacing the IFFT circuit...
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