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Wireless networks are a growing technology due to its ability to receive data in areas where it is very hard to plug-in using wires. TCP Reno assumes in his congestion algorithms that the packet loss is the major cause of network congestion. In wireless networks, this is not correct because having a high bit error rate leads also to a packet loss. Link layer approach is one of the most efficient proposed solutions to maintain TCP over wireless networks. For example, having hybrid ARQ type 1 with Fano decoding, which is an error correction technique, is very appropriate and is of concern in wireless networks due to its capability of offering decoding steps, which are dependent to the channel state.
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