Title	A Random Time-varying Particle Swarm Optimization for Local Positioning Systems
Author	Hui Zhu, Syahrulanuar Ngah, Ying Xu, Yuji Tanabe, Takaaki Baba
Citation	Vol. 8  No. 6  pp. 49-60
Keywords	inertia weight, acceleration coefficients, particle swarm, time of arrival, local positioning

Title	Solidring: A Novel Bluetooth Scatternet Structure
Author	Bo Huang, Syahrulanuar Ngah, Hui Zhu, Takaaki Baba
Citation	Vol. 8  No. 9  pp. 93-103
Keywords	Bluetooth, scatternet structure, Solidring, time delay.