A Multihop Walkie-Talkie-Like Emergency Comm Sys for Catastrophic Natural Disasters   National Chenchi University Computer Science Department Yao-Nan Lien, Li-Cheng Chi, Chih-Chieh Huang

Introduction
Challenges
System Anaysis
Available Options
MANET Based P2Pnet
U1Net
Experiments
Concluding Remarks
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