A novel learning based solution for efficient data transport in heterogeneous wireless networks |
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Authors: | Venkataramana Badarla C Siva Ram Murthy |
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Affiliation: | (1) Hamilton Institute, National University of Ireland Maynooth, Maynooth, Republic of Ireland;(2) Department of Computer Science and Engineering, Indian Institute of Technology Madras, Chennai, 600 036, India |
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Abstract: | There has been a spectacular growth in the use of wireless networks in recent times and consequently, adapting TCP to the
wireless networks is a hot topic of current research. However, most of the existing works proposed for this problem have been
designed for specific wireless networks, or they necessitate changes at either the receiver or the intermediate nodes, or
at both, because of which their deployment becomes difficult. In this work, we propose a TCP variant which works over both
multi-hop ad hoc wireless networks as well as single-hop (last-hop) wireless networks, like Wireless LANs, cellular, and satellite
networks. We use a learning based method to dynamically change the congestion window size according to the network conditions.
Our protocol does not rely on any explicit feedback from the network and requires only sender-side modifications. Through
extensive simulations we show that our protocol achieves the desired goals of performance improvement in goodput, reduction
in packet loss, and fairness to the competing flows. To the best of our knowledge, this is the first unified solution for
both single-hop and multi-hop wireless networks. |
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