D-SEAD: A Novel Multi-Access Multi-Dimensional Transmission Technique for Doubling the Spectral Efficiency per Area and per Device
The authors propose a technique that is capable of doubling the spectral efficiency per area and per device by modulating a recently developed multiple access design called multi-user auxiliary signal superposition transmission through a transmission technique called OFDM-SPM
Summary: The world of today is characterized by a very huge inter-connectivity of data-hungry devices. This imposes on wireless system designers not only developing techniques that are spectrally efficient at the area level where many users are served with the same resources simultaneously but also developing techniques that are spectrally efficient at the device level as well. For addressing this problem, we propose in this paper a technique that is capable of doubling the spectral efficiency per area and per device by modulating a recently developed multiple access design called multi-user auxiliary signal superposition transmission (MU-AS-ST) through a multi-dimensional OFDM technique termed OFDM with subcarrier power modulation (OFDM-SPM). This integration results in the technique proposed in this paper and yields, with doubling the spectral efficiency, merits such as robust security, low complexity, and enhanced transmission reliability.
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D-SEAD: A Novel Multi-Access Multi-Dimensional Transmission Technique for Doubling the Spectral Efficiency per Area and per Device