By year

Song Liu, Zhisheng Niu, Dawei Huang, Jianping Shu and Yang Li, Admission Policies for Voice Message Service in Mobile Cellular Networks, Proc. of APCC 2003
Xiyan Ma, Yi Wu, Zhisheng Niu, Tamio Saito, Performance Analysis of the Packetized Voice Transmission with PCF in an IEEE 802.11 Infrastructure Wireless LAN, Proceeding of Asia Pacific Conference on Communication (APCC 2003), vol. 2, pp. 571-575, Sep. 2003, Penang, Malaysia.
Hui Deng, Kai Zhang, YaLing Nie, Xing Xia, Masahiro Ojima, ZhiSheng Niu, and etc., A Real Inter-Continental Mobile IPv6 Demonstration between China and Japan for Mobility Enhancement, Proc. 14th IEEE Int. Symposium Personal, Indoor and Mobile Radio Commun. (PIMRC'2003), Vol. 3, pp. 2838-2841, Sep. 2003.
Lan Wang, Zhisheng Niu, Yanfeng Zhu, Hui Deng, Masashi Yano, Integration of SNR, Load and Time in Handoff Initiation for Wireless LAN, Proc. 14th IEEE Int. Symposium Personal, Indoor and Mobile Radio Commun. (PIMRC'2003), Volume 3, pp.2032-2036
Hui Deng, Xiaolong Huang, Kai Zhang, Zhisheng Niu, Masahiro Ojima, A Hybrid Load Balance Mechanism for Distributed Home Agents in Mobile IPv6, Proc. 14th IEEE Int. Symposium Personal, Indoor and Mobile Radio Commun. (PIMRC'2003), Vol. 3, pp. 2842-2846, Sep. 2003.
Xiang Duan, Xiyan Ma, Zhisheng Niu, Junli Zheng, Analysis of Wireless Transmission Efficiency and Its Application: Efficiency-Based Adaptive Coding, Proc. IEEE 14th Int. Symposium Personal, Indoor and Mobile Radio Commun. (PIMRC'2003), Sept. 2003, Beijing, China.