When a Base Station (BS) stops working, then MSs in its coverage range switches to ad hoc mode
and form cluster ad hoc network.
The comparison between our method and IEEE 802.11 ad hoc mode
further reveals that, even though the physical environment of networks is not considered, the addition of the cluster-based management (CPM) not only decreases the power consumption efficiently, but also prolongs the total TTLs obviously.
In addition, longtime fans of the series will enjoy traditions such as summoning monsters or controlling their characters through the classic menu-based system -- Community: Enhance the experience by trading Friend Cards, creating items, sharing AI characters with other players and even engaging in virtual AI battles made possible by the PSP system's ad hoc mode