Unitary subgroup space-time codes using Bruhat decomposition and Weyl groups. - Tatsumi Konishi (IEEE Trans. Inf. Theory, 2003)

Differential space-time codes with four transmit antennas. - Tatsumi Konishi (ISWCS, 2004)

Novel 64QAM space-time codes using a large number of receive antennas. - Tatsumi Konishi (ISITA, 2012)

A coded modulation scheme for 64-QAM with a matched mapping. - Tatsumi Konishi (ISITA, 2014)

A New 64-QAM Space-Time Code Based on a Trace Criterion. - Tatsumi Konishi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2014)

Quasi-Linear Trellis-Coded QAM Using a Matched Mapping. - Tatsumi Konishi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2015)

Integer Space-Time Block Codes With Large Trace Metrics. - Tatsumi Konishi (IEEE Wirel. Commun. Lett., 2017)

Spatial Vectors Effective for Nakagami-m Fading MIMO Channels. - Tatsumi Konishi; Hiroyuki Nakano; Yoshikazu Yano; Michihiro Aoki (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2022)