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Opportunistic Routing (OR) [1] is a new promising paradigm, which has been proposed as a way to increase the performance of wireless networks by exploiting its broadcast nature. It benefits from the broadcast characteristic of wireless mediums to improve the network performance. In OR, instead of pre-selecting a single specific node to be the next-hop as a forwarder for a packet, multiple nodes, usually...
We present a new method for routing MAC frames at layer 2 (L2) within an 802.11 MANET. The new method, Multihop Clear Channel Assessment (MCCA), improves on the RTS/CTS mechanism used in the 802.11 DCF by extending it from a single hop protocol to a multihop one. Such an approach can, in some circumstances, eliminate the need for a routing protocol at layer 3 (L3), since frames, instead of being routed...
Wireless networking is the preferred method for establishing new computer networks, more and more organizations and users are switching over to wireless communication because of its benefits such as flexibility and portability, increased productivity and low installation cost over wired networks. Therefore there are a growing number of regulatory requirements for the security of confidential data,...
Wireless internet has become popular in recent years due to the tremendous growth in the number of mobile computing devices and high demand for continuous network connectivity regardless of physical locations. In this paper, we investigate the effects of routing protocols on the performance of Transmission Control Protocol (TCP) variants in multi-hop wireless networks. Through simulations we study...
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