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Recently, non-orthogonal multiple access (NOMA) has gained more attention as a candidate multiple access scheme for future radio access. A major reason for this is that NOMA has the potential to achieve a more favorable tradeoff between system efficiency and user fairness than orthogonal multiple access (OMA), which is adopted in the 4th generation mobile communication systems such as LTE and LTE-Advanced...
This paper proposes an adaptive frequency-domain (spectrum) puncturing method for turbo coded single-carrier transmission. The proposed method is based on previous work on frequency-domain puncturing at the transmitter and turbo equalization at the receiver. While we previously assumed fixed frequency-component puncturing, the newly proposed method adaptively selects the frequency components to be...
This paper proposes a one-tap frequency-domain transmitter filtering method that assumes channel knowledge at the transmitter for turbo coded single-carrier transmission with our previously reported frequency-domain puncturing at the transmitter and turbo equalization at the receiver. In coded single carrier transmission in a frequency-selective fading channel, inter-symbol-interference (ISI) severely...
This paper proposes a method for adaptively controlling the admission of interference to users for our previously proposed layered partially non-orthogonal block diagonalization (BD) precoding method for downlink multiuser multiple-input multiple-output (MIMO) transmission that employs cooperation among multiple base stations (BS). The proposed method is applicable when some of the instantaneous channel...
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