TAILIEUCHUNG - E-CARP: Efficient cross layer congestion control adaptive routing protocol for mobile ad hoc networks in constrained environment

In this paper we propose an adaptive congestion control algorithm using cross layer design, which out-performs even during constrained situation. For analyzing the performance we have chosen four popular routing protocols such as AODV, DSR, DSDV and TORA. We also observe through simulation in NS2 that AODV out-performs other routing protocols in normal situation and DSR out-performs in constraint environment. | ISSN:2249-5789 Shobha Rani et al , International Journal of Computer Science & Communication Networks,Vol 3(2), 126-133 E-CARP: efficient-Cross Layer Congestion Control Adaptive Routing Protocol for Mobile Ad hoc Networks in Constrained Environment SHOBHA RANI Department of Electronics and Communication Engineering, Acharya Institute of Technology, Bangalore-560 090, INDIA. C PUTTAMADAPPA Department of Electronics and Communication Engineering Sapthagiri College of Engineering, Bangalore-560057, INDIA. Email: shobharani@, puttamadappa@ Abstract Mobile Ad hoc Networks (MANETs) shows unexpected behavior when multiple data streams with heavy traffic load such as multimedia data and data is sent to common destination. The main reason for packet loss in mobile ad hoc networks is due to congestion. In the current design, the routing protocols are not congestion adaptive. The way in which the congestion is handled results in longer delay and more packet loss. When a new route is needed the routing protocols take significant overhead in finding it. In this paper we propose an adaptive congestion control algorithm using cross layer design, which out-performs even during constrained situation. For analyzing the performance we have chosen four popular routing protocols such as AODV, DSR, DSDV and TORA. We also observe through simulation in NS2 that AODV out-performs other routing protocols in normal situation and DSR out-performs in constraint environment. We strongly argue that routing should not only be aware of but also be adaptive to network congestion. Keywords: Mobile Ad hoc Networks, routing, congestion control, performance, constraint situation 1. Introduction Ad hoc wireless networks are composed of mobile stations communicating solely through wireless channels [1, 2]. Ad hoc wireless networks are expected to play an increasingly important role in future civilian and military setting. Ad hoc networks are useful for providing communication .

• Quản trị mạng
• International Journal of Computer Science & Communication Networks
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• Adaptive routing protocol
• Mobile ad hoc networks in constrained environment
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• Distributed security system
• Ad hoc computer networks
• The Blackhole attack
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• Wireless mesh networks and internet
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