Tsuyoshi Sasaki Usuda

Publication Activity (10 Years)

Years Active: 2010-2024
Publications (10 Years): 16

Top Topics

Finding Optimal Solutions

Communication Systems

Top Venues

IEEE Trans. Inf. Theory

Quantum Inf. Comput.

Publications

Tiancheng Wang, Tsuyoshi Sasaki Usuda
Security enhancement of amplitude-shift keying-type asymmetric quantum communication systems. Quantum Inf. Process. 23 (5) (2024)
Ryusuke Miyazaki, Tiancheng Wang, Tsuyoshi Sasaki Usuda
Simplification of the Gram Matrix Eigenvalue Problem for Quadrature Amplitude Modulation Signals. Entropy 24 (4) (2022)
Souichi Takahira, Asuka Ohashi, Tomohiro Sogabe, Tsuyoshi Sasaki Usuda
Quantum algorithms based on the block-encoding framework for matrix functions by contour integrals. Quantum Inf. Comput. 22 (11&12) (2022)
Tiancheng Wang, Tsuyoshi Sasaki Usuda
Error Performance of Amplitude Shift Keying-Type Asymmetric Quantum Communication Systems. Entropy 24 (5) (2022)
Tiancheng Wang, Tsuyoshi Sasaki Usuda
Effect of Non-Gaussian Noise Due to Beam Wandering on Error Performance of Quantum Measurement. ISITA (2020)
Jun Yamauchi, Yuto Takahashi, Tiancheng Wang, Tsuyoshi Sasaki Usuda
Quantum Illumination using Quasi-Bell States. ISITA (2020)
Souichi Takahira, Asuka Ohashi, Tomohiro Sogabe, Tsuyoshi Sasaki Usuda
Quantum algorithm for matrix functions by Cauchy's integral formula. Quantum Inf. Comput. 20 (1&2) (2020)
Yuto Takahashi, Tiancheng Wang, Shogo Usami, Tsuyoshi Sasaki Usuda
Performance Evaluation of Ghost Imaging with Orthogonal/Non-orthogonal Quantum States in Terms of Image Quality. ISITA (2020)
Ryusuke Miyazaki, Mana Yoshida, Tiancheng Wang, Tsuyoshi Sasaki Usuda
Simplification of the Calculation of the Channel Matrix for AMPM Coherent-state Signals. ISITA (2020)
Keita Ishikawa, Tiancheng Wang, Tsuyoshi Sasaki Usuda
Effect of Non-Symmetric Loss on Quantum Reading Using a Quasi-Bell State. ISITA (2018)
Souichi Takahira, Tsuyoshi Sasaki Usuda
Applying a symmetrization method by coding to non-symmetric mixed-state signals. ISITA (2018)
Tiancheng Wang, Kenji Nakahira, Tsuyoshi Sasaki Usuda
Error performance and robustness of optimum quantum detection for MPSK signals in the presence of phase noise. ISITA (2018)
Kenji Nakahira, Tsuyoshi Sasaki Usuda
Realizing a 2-D Positive Operator-Valued Measure by Local Operations and Classical Communication. IEEE Trans. Inf. Theory 64 (1) (2018)
Kenji Nakahira, Tsuyoshi Sasaki Usuda, Kentaro Kato
Finding Optimal Solutions for Generalized Quantum State Discrimination Problems. IEEE Trans. Inf. Theory 63 (12) (2017)
Sho Mizuno, Yosuke Moriizumi, Tsuyoshi Sasaki Usuda, Tomohiro Sogabe
An initial guess of Newton's method for the matrix square root based on a sphere constrained optimization problem. JSIAM Lett. 8 (2016)
Minami Tanaka, Asuka Ohashi, Tsuyoshi Sasaki Usuda
4PSK coherent-state signals can be narrow sense group covariant with respect to F4 by coding. ISITA (2016)
Naoki Iwata, Tsuyoshi Sasaki Usuda
Quantum gain of coding by polar codes with finite codeword length. ISITA (2014)
Kazuki Sato, Kenji Nakahira, Shogo Usami, Tsuyoshi Sasaki Usuda
Error performance for non-destructive quantum receiver of M-ary coherent-state signals. ISITA (2014)
Shinji Koyama, Tsuyoshi Sasaki Usuda
Error performance of optimum quantum detection for BPSK signals in the presence of phase noise and its robustness. ISITA (2014)
Shungo Asano, Tsuyoshi Sasaki Usuda
A simple approximation of minimum error probability using trace distance. ISITA (2014)
Kenji Nakahira, Tsuyoshi Sasaki Usuda
Minimum-Error Discrimination Between Self-Symmetric Mixed Quantum State Signals. IEEE Trans. Inf. Theory 58 (2) (2012)
Shigeyori Nagahashi, Tsuyoshi Sasaki Usuda, Ichi Takumi
Improvement of 2-EPP using quantum error correcting codes and binary search. ISITA (2012)
Kazuha Ohashi, Tsuyoshi Sasaki Usuda
Property of capacity by WDM for attenuated quantum channel. ISITA (2012)
Hiro Yamashita, Tsuyoshi Sasaki Usuda, Shogo Usami
Error performance of semi-classical quantum receivers for CPPM signals in KCQ key generation. ISITA (2012)
Yoshiaki Yazaki, Shogo Usami, Tsuyoshi Sasaki Usuda
Superiority of 2-EPPs to 1-EPPs with finite entangled resources. ISITA (2012)
Yoshio Takamura, Shogo Usami, Tsuyoshi Sasaki Usuda
On attainment of the capacity of broadband quantum channel by wavelength division multiplexing. ISITA (2010)
Masaki Ota, Hideyuki Kumazawa, Keisuke Shiromoto, Tsuyoshi Sasaki Usuda
Formula of channel matrix for coded quantum signals by classical linear codes over Zm. ISITA (2010)