Shangkun Xiong

Work place: Department of Mobile Communication, Guangzhou Research Institute of China Telecom Co., Ltd., Guangzhou, China

E-mail: xiongsk@gsta.com

Website:

Research Interests: Computer systems and computational processes, Systems Architecture, Information Systems, Multimedia Information System

Biography

Shangkun Xiong received the Ph.D. degree in communication and information system in 2004. He is currently a division director in the department of mobile communication, Guangzhou Research Institute of China Telecom.

Author Articles
Joint Beam-Power Coordinative Scheduling of Neighboring Sectors in Cellular Systems

By Fei Ji Fangjiong Chen Shangkun Xiong Xiaodong Chen Ying Liu

DOI: https://doi.org/10.5815/ijwmt.2011.06.02, Pub. Date: 15 Dec. 2011

Beam cooperative scheduling of downlink transmission is an important technique to improve the spectrum efficiency in next generation mobile networks. This paper focuses on switched beams (the emission angles of the beams are fixed) and proposes a joint beam-power coordinative scheduling algorithm among neighbor sectors in the downlink of mobile systems. Each sector coordinates the applied order and transmitted power of the beams with adjacent interfering sector, so as to reduce inter-sector interference and maximize throughputs. This scheduling problem is modeled as a constrained optimization problem and solved by our proposed iterative approach. Computer simulation shows that the proposed approach significantly outperform the existing round robin beam servicing approach and the approach that applies only beam cooperative scheduling.

[...] Read more.
Semi-Distributed Coordinative Switch Beamforming with Power Scheduling

By Ying Liu Fangjiong Chen Fei Ji Xiaodong Chen Shangkun Xiong

DOI: https://doi.org/10.5815/ijcnis.2011.02.02, Pub. Date: 8 Mar. 2011

Beam cooperative scheduling of a downlink transmission is an important technique to improve the spectrum efficiency in next generation mobile networks. This paper focuses on switched beams (the emission angles of the beams are fixed) and proposes a joint beam-power coordinative scheduling algorithm among neighbor sectors in the downlink of mobile systems. Each sector coordinates the applied order and transmitted power of the beams with adjacent interfering sector, so as to reduce inter-sector interference and maximize throughputs. The scheduling problem is modeled as a constrained optimization problem and solved by our proposed iterative approach. Computer simulation shows that the proposed approach significantly outperform the existing round robin beam servicing approach and the approach that applies only beam cooperative scheduling.

[...] Read more.
Other Articles