A Modified DFTs-OFDM with DC Subcarrier Shift for Low PAPR and DC Offset Error Robustness. - Shigeki Nihei; Masahiro Umehira; Shigeki Takeda (VTC Spring, 2015)

Performance Evaluation of SSB Transmission of DFTs-OFDM Using Multi-Level BPSK through Nonlinear HPA. - Masahiro Umehira; Shigeki Nihei; Hirokazu Fusayasu; Teruyuki Miyajima; Shigeki Takeda; Jun Mashino; Takatoshi Sugiyama (VTC Spring, 2015)

Ultra-multi-amplitude-level BPSK based SSB-DFTs-OFDM to achieve higher spectrum efficiency. - Hirokazu Fusayasu; Shigeki Nihei; Masahiro Umehira; Jun-ichi Abe; Jun Mashino (PIMRC, 2016)