SNR Maximization as a Non-Linear Programming -Towards Optimal Spreading Sequence-. - Hirofumi Tsuda; Ken Umeno (CoRR, 2016)

Non-Linear Programming: Maximize SNR for Designing Spreading Sequence - Part I: SNR versus Mean-Square Correlation. - Hirofumi Tsuda; Ken Umeno (CoRR, 2016)

Non-Linear Programming: Maximize SNR for Designing Spreading Sequence - Part II: Conditions for Optimal Spreading Sequences. - Hirofumi Tsuda; Ken Umeno (CoRR, 2016)

Numerical Approach to Maximize SNR for CDMA Systems. - Hirofumi Tsuda; Ken Umeno (CoRR, 2016)

Orthogonal basis spreading sequence for optimal CDMA. - Hirofumi Tsuda; Ken Umeno (JSIAM Lett., 2016)

Method to Design UF-OFDM Filter and its Analysis. - Hirofumi Tsuda; Ken Umeno (CoRR, 2017)

Randomization Algorithm for Partial Transmit Sequence with Semidefinite Relaxation. - Hirofumi Tsuda; Ken Umeno (VTC Fall, 2018)

Randomization Approaches for Reducing PAPR with Partial Transmit Sequences and Semidefinite Relaxation. - Hirofumi Tsuda; Ken Umeno (CoRR, 2018)

Weyl Spreading Sequence Optimizing CDMA. - Hirofumi Tsuda; Ken Umeno (IEICE Trans. Commun., 2018)

Non-Linear Programming: Maximize SINR for Designing Spreading Sequence. - Hirofumi Tsuda; Ken Umeno (IEEE Trans. Commun., 2018)

Optimal Sequence and SINR for Desired User in Asynchronous CDMA System. - Hirofumi Tsuda (EuCNC, 2019)

Moment-Based Bound on Peak-to-Average Power Ratio and Reduction with Unitary Matrix. - Hirofumi Tsuda (WCNC Workshops, 2019)

Bound on Peak-to-Average Power Ratio with Moment and Reduction Method. - Hirofumi Tsuda (CoRR, 2019)

Study on Communication System From the Perspective of Improving Signal-to-Noise Ratio. - Hirofumi Tsuda (2019)

Randomization Approaches for Reducing PAPR with Partial Transmit Sequence and Semidefinite Relaxation. - Hirofumi Tsuda; Ken Umeno (IEICE Trans. Commun., 2021)