[PDF][PDF] Novel active queue management scheme for routers in wireless networks

K Okokpujie, C Chukwu Emmanuel, E Noma-Osaghae… - networks, 2018 - researchgate.net
networks, 2018researchgate.net
Congestion stability and prevention is the main aim of any decent network traffic
management scheme. The protocol that drives congestion control in IP networks, called The
Transmission Control Protocol (TCP), is plagued by bandwidth underutilization when
implemented on wireless networks. The management of network trunk queue size is the
goal of this paper, along with its antecedent delay issues with Active Queue Management
(AQM) algorithms that overcomes the bandwidth underutilization issue faced by TCP flows in …
Abstract
Congestion stability and prevention is the main aim of any decent network traffic management scheme. The protocol that drives congestion control in IP networks, called The Transmission Control Protocol (TCP), is plagued by bandwidth underutilization when implemented on wireless networks. The management of network trunk queue size is the goal of this paper, along with its antecedent delay issues with Active Queue Management (AQM) algorithms that overcomes the bandwidth underutilization issue faced by TCP flows in wireless networks. Two adaptive TCP models, specifically built for wireless networks, were created. This made it possible to implement feedback control techniques in the chosen AQM design for queue management. The two AQM policies were created with the help of Model Predictive Control (MPC) and Self-Tuning Control (STC). A very thorough comparison was made between the developed AQM schemes and two Early Detection Controllers, namely, Random Early Detection (RED) and Fixed-Parameter Proportional Integral (PI). Under varying wireless network conditions, the results obtained from simulating the proposed queue management scheme in MATLAB® confirmed that the fixed PI and RED controllers were, by comparison, inferior in performance. Copyright© 2018 Praise Worthy
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