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<div align="justify">Problem statement: This study presents a source based reactive protocol called "Energy&#13; Aware Multiple Constraints QoS Routing Protocol with Dynamic Mobility Prediction (EMQRPDM)"&#13; for MANET. It is an enhanced version of our previous protocol called "Power aware multiple QoS&#13; constraints routing protocol with mobility prediction (PMQRPMP)". It addresses the issues such as&#13; routing, mobility and power management in MANET. Approach: EMQRPDM considers quality of&#13; service parameters namely delay, jitter, bandwidth and cost of each link on 'n' available paths and&#13; selects a stable optimal path between a source and a destination during path discovery. It checks a&#13; bandwidth constraint during route request. It also checks the energy level constraints for each node&#13; during route reply. EMQRPDM uses our new mobility prediction mechanism to determine the stability&#13; of link expiration time for each link of each path during route reply. It executes path maintenance&#13; procedure when the link between two nodes cuts off. It also considers a backup path during link&#13; failure. Results: EMQRPDM is compared with PMQRPMP. Even though the mobility speed of mobile&#13; nodes is increased to 10 m sec&#8722;1, the success rate of data transmission in EMQRPDM is 74% which is&#13; still higher than PMQRPMP. During link failure using a backup path, the cost of control overhead in&#13; EMQRPDM is 0.272 which is lower than PMQRPMP when the number of mobile nodes is increased&#13; from 15-40. Conclusion/Recommendations: EMQRPDM selects an optimal path with good battery&#13; backup using energy level constraints. It selects a best stable optimal path using our new mobility&#13; prediction mechanism. EMQRPDM gives better Packet Delivery Ratio. It reduces the cost of control&#13; overhead using the bandwidth constraint and a backup path. It can be further enhanced as a reliable,&#13; secure, hybrid and multicast communication protocol for MANET.</div

Energy Aware Multiple Constraints Quality of Service Routing Protocol with Dynamic Mobility Prediction for Mobile Ad hoc Networks