Using dynamic PCF to improve the capacity for VoIP traffic in IEEE 802.11 networks. - Takehiro Kawata; Sangho Shin; Andrea G. Forte; Henning Schulzrinne (WCNC, 2005)

Adaptive Multi-Rate VoIP for IEEE 802.11 Wireless Networks with Link Adaptation Function. - Takehiro Kawata; Hiroshi Yamada (GLOBECOM, 2006)

Impact of Multi-Rate VoIP on Quality of Service in IEEE 802.11e EDCA with Link Adaptation. - Takehiro Kawata; Hiroshi Yamada (ICC, 2007)

Root-Cause Diagnosis Using Logs Generated by User Actions. - Hiroki Ikeuchi; Akio Watanabe; Takehiro Kawata; Ryoichi Kawahara (GLOBECOM, 2018)