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Ad hoc networks are collection of mobile nodes which communicate using wireless media without any fixed infrastructure. Each mobile host acts both as a network router and an end point as packets are forwarded over multiple hops. Node mobility being the distinguishing feature of the mobile ad hoc network, makes routing an important challenge. Hence, Quality of Service (QoS) is not easily achieved in...
As the development of Internet continues, congestion control has become a major issue to the computer network society. Most of the congestion control schemes fall into two categories : end to end and hop-by-hop (HBH) congestion control schemes. The hop-by-hop algorithm can achieve short delays and quick responses to the congestion situations, and cause no packet loss. It can also minimize the bandwidth...
Broadcasting in Ad hoc networks is prone to broadcast storm problem and ACK implosion problem. These problems create the necessity to carefully designate some nodes in the 1-hop neighborhood of sender as forwarding nodes and reduce broadcast redundancy. In this paper, we have proposed an algorithm called enhanced double covered broadcast with negative acknowledgements (EDCBN) which focuses on achieving...
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