GA-based PID active queue management control design for a class of TCP communication networks

Chang Kuo Chen, Hang Hong Kuo, Jun Juh Yan, Teh-Lu Liao

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

Active queue management (AQM) is a key congestion control scheme for reducing packet loss and improving network utilization in TCP/IP networks. This paper proposes a proportional-integral-derivative (PID) controller as an active queue manager for Internet routers. Due to the limitations of packet-dropping probability and the effects of propagation delays in TCP networks, the TCP AQM network was modeled as a time-delayed system with a saturated input. An improved genetic algorithm is employed to derive optimal or near optimal PID controller gains such that a performance index of integrated-absolute error (IAE) is minimized, and thereby a stable queue length, low packet loss, and high link utilization for TCP networks are guaranteed. The performance of the proposed control scheme is evaluated in various network scenarios via a series of numerical simulations.

Original languageEnglish
Pages (from-to)1903-1913
Number of pages11
JournalExpert Systems With Applications
Volume36
Issue number2 PART 1
DOIs
Publication statusPublished - 2009 Jan 1

Fingerprint

Packet loss
Telecommunication networks
Derivatives
Controllers
Network management
Routers
Managers
Genetic algorithms
Internet
Computer simulation

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Computer Science Applications
  • Artificial Intelligence

Cite this

Chen, Chang Kuo ; Kuo, Hang Hong ; Yan, Jun Juh ; Liao, Teh-Lu. / GA-based PID active queue management control design for a class of TCP communication networks. In: Expert Systems With Applications. 2009 ; Vol. 36, No. 2 PART 1. pp. 1903-1913.
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GA-based PID active queue management control design for a class of TCP communication networks. / Chen, Chang Kuo; Kuo, Hang Hong; Yan, Jun Juh; Liao, Teh-Lu.

In: Expert Systems With Applications, Vol. 36, No. 2 PART 1, 01.01.2009, p. 1903-1913.

Research output: Contribution to journalArticle

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