Improvement of transmission properties of synchronized QoS ad hoc network by rapid control method
Hisayoshi Sugiyama, Tetsuo Tsujioka, Masashi Murata · Electronics and Communications in Japan (Part I Communications) · 2006
Abstract A rapid control method is proposed to improve the transmission properties of a synchronized QoS ad hoc network (synchronized QoS network). The synchronized QoS network has already been proposed to assure transmission bandwidth in ad hoc networks. However, the VC (virtual circuit) establish time and the VC breakage interval both expand in this network. Furthermore, the rate of successful communication deteriorates in relation to network topology changes. These problems become serious when a synchronized QoS network is applied to the multirobot rescue systems operating in urban disaster areas. The rapid control method modifies the frame structure of the conventional synchronized QoS network. This method accelerates control packet transmission and therefore improves the VC establish time, VC breakage interval, and the rate of successful communications. These improvements are confirmed by computer simulations in which a reconnaissance into distant space by a multirobot rescue system is simulated. © 2006 Wiley Periodicals, Inc. Electron Comm Jpn Pt 1, 89(9): 51–59, 2006; Published online in Wiley InterScience ( www.interscience.wiley.com ). DOI 10.1002/ecja.20278