Improvement of SCTP congestion control in the LTE-A network

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• 作者：Ihab Ahmed Najm^a ; ^b ; ^{ihab@tu.edu.iq" class="auth_mail" title="E-mail the corresponding author} ; Mahamod Ismail^a ; ^{mahamod@eng.ukm.my" class="auth_mail" title="E-mail the corresponding author} ; Jaime Lloret^c ; ^{jlloret@dcom.upv.es" class="auth_mail" title="E-mail the corresponding author} ; Kayhan Zrar Ghafoor^d ; ^{kayhan@ieee.org" class="auth_mail" title="E-mail the corresponding author} ; B.B. Zaidan^e ; Abd Al-razak Tareq Rahem^a ; ^{abdtareq1@siswa.ukm.edu.my" class="auth_mail" title="E-mail the corresponding author}
• 关键词：SCTP ; Congestion control ; LTE-A ; N-selection ; TOPSIS
• 刊名：Journal of Network and Computer Applications
• 出版年：2015
• 出版时间：December 2015
• 年：2015
• 卷：58
• 期：Complete
• 页码：119-129
• 全文大小：1588 K

文摘

Long Term Evolution-Advanced (LTE-A) is the fourth-generation wireless communication of mobile technology. LTE-A offers a scalable coverage as it possesses efficient throughput and ubiquitous connectivity. The congestion control of the LTE-A transport layer negatively influences the overall performance of the throughput. Moreover, the existing slow-start and congestion avoidance mechanisms helps to reduce the LTE-A performance. Thus, this paper improves the congestion control mechanism by incorporating the Stream Control Transmission Protocol (SCTP) in LTE-A. Specifically, the slow-start and congestion avoidance phases will be improved. The proposed mechanism, called ENH-SCTP, reduces the time duration, towards reaching a threshold, by ranking the congestion window, throughput, queue size and packet loss as performance metrics. The ranking can be achieved by adding a value which selection is based on a multi-criteria problem. Concretely we used the multi-criteria decision-making (MCDM) technique, especially the utilization of the Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS). The simulation results show that the proposed SCTP in LTE-A performs better than the conventional SCTP. As a consequence, the congestion window, throughput, queue size and packet loss are significantly improved.