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Abstract
Mobile Adhoc Networks (MANETs) plays an important role in emergency communications where network can be constructed temporarily and quickly. The nodes move randomly, ZigBee is one of the newest technologies developed by ZigBee Alliance and it enabling Wireless Personal Area works (WPAN). ZigBee tree routing (ZTR) protocol is used in many electronic devices and applications. Parent devices calculate addresses of their child devices by a tree concepts. It does not require any routing table and route discovery overhead to send a packet to the destination. It transmit the packets from source to destination through nodes, if path breaks during the transmission it sends the original data packets to the sender. For that purpose we uses the shortcut tree routing (STR) protocol they calculate remaining hops from an source to the destination. And it occupies large amount of memory for storing the tables for each nodes and time delay occurs due to calculating tables for each path, traffic will remains constant in their paths during the transmission of packets in shortcut tree routing protocol and it changes the path if they have an very high network traffic. Comparing to the zigbee tree routing protocol it overcomes the network density and the network traffic.