TITLE:
Implementation and Evaluation of Dual-Purpose Normal and Disaster Situations System Based on Delay and Disruption Tolerant Bluetooth MANETs
AUTHORS:
Yuya Minami, Yuya Kitaura, Yuri Tsutsui, Eitaro Kohno, Shinji Inoue, Tomoyuki Ohta, Yoshiaki Kakuda
KEYWORDS:
Android, Bluetooth MANET, GUI, Dual-Purpose System, Data Propagation, Wireless Multi-Hop Data Transfer, Epidemic Routing
JOURNAL NAME:
International Journal of Communications, Network and System Sciences,
Vol.8 No.9,
September
23,
2015
ABSTRACT: Dual-purpose systems for both normal and
disaster situations are necessary for providing continuous services from
normal situations to disaster situations. We have been developing the dual-purposed systems based on the assurance network design principle. The assurance
network design principle makes the dual-purpose systems work stably in both
normal and disaster situations. This paper proposes a connectivity-dependent
data propagation scheme, in which each terminal transfers data adaptively by
wireless multi-hop data transfer or store-and-forward data transfer depending
on whether the terminal has connections to its neighboring terminals. To verify
the resilience against disconnection among neighboring terminals, we show
field experimental results on data propagation time. Also we propose the
dual-purpose system, in which there are two types of graphical user interface
(GUI) for both situations. Whenever each terminal receives a special packet in
disaster situations, the GUI automatically switches from one type for normal
situations to another type for disaster situations. We have unified these two
types of GUI so that users can understand how to use them even when GUI is
automatically switched. To validate feasibility of the dual-purpose normal and
disaster situations system, we show experimental results on dissemination of
assessment information and automatical switching of GUIs.