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Mobile Adhoc Network has become an essential one in every aspects of our life due to the recent growth of technological developments. Effective communication in right scenarios is an important factor to be considered. Here in this paper, Cluster based routing for a specific disaster scenario and the parametric analysis for the effective clustering in Mobile adhoc network (MANET) is analyzed and proposed using fuzzy logic with mat lab simulator. Keywords— MANET,Hierarchical routing,Cluster based routing schemes for rescue scenarios,fuzzy logic I. MOBILE ADHOC NETWORK A mobile ad hoc network consists of a group of wirelessenabled devices. Initially, it was named as packet radio network and was initiated by the Department of Defense (DoD) of the United States of America. Mobile adhoc network itself is an autonomous system consisting of collection of mobile hosts connected by wireless links. It has no supporting fixed infrastructure or central administration and the nodes will communicate within the transmission range of each other. If two hosts are unable to communicate, then they will try to communicate if other hosts lying in between are willing to forward packets for them. Thus every node will participate in multi-hop routing to reach all the nodes in the network. Continuous improvement in smart devices in wireless world has gained the interest of the users in capitalizing these smart devices. MANET is widely used in rescue operations, military scenarios and in scenarios where it is impossible to establish a wired backbone. While considering the emergency situation particularly in mass disasters, a quick and coordinated response must be given to improve the efficiency of rescue teams and to save as many lives as possible. Furthermore, the emergency situation may be ongoing for some time or even days; hence systems may have to stay usable for extended periods. This is the case of IMPROVISA (Improvisa) that proposes to solve this difficulty by distributing antennas in the disaster area [1]. Some other applications of MANET include the adhoc network created in smart classrooms by the students and Professors with the laptops and by a group of people at a meeting using their PDAs or laptops to exchange information among themselves. In future, MANET will be widely used in ubiquitous computing, providing connectivity to everyone, anywhere and from any device. As a result, robust routing mechanisms and improving the Quality of service becomes inevitable. Mobility of nodes in MANET and limited battery power, dynamic topology changes, link bandwidth are major challenges in MANET when concerned with routing, scalability and management functions. II. HIERARCHICAL ROUTING IN EMERGENCY SCENARIOS

PARAMETER ANALYSIS FOR CLUSTERING IN MANET IN DISASTER SCENARIOS