Reducing the Congestion Control Problem of TCP/IP Wireless Networks by Using Pole Placement

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Provided by: International Association of Engineers
Topic: Networking
Format: PDF
TCP/IP networks should have a good management of congestion: users require fast and reliable communications. Congestion is more difficult to detect if there are wireless links, as the network delays and the number of users change constantly, so transmission problems arise. Typically, congestion is handled with drop tail or Random Early Detection (RED) algorithms, although automatic control techniques are already giving good solutions. This paper presents a comparison between three different pole placement controllers designed considering alternative delay approximations. Then they are demonstrated through nonlinear simulations and compared with RED in similar conditions.
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