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A Congestion Avoidance Evaluation for Voice & Video Over LTE

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In some festival season, a most of people started to send wishing messages, or started to make voice and video Conference Calls, which can cause Network congestion phenomena. To resolve this problematic 3GPP has developed a new cellular standard based packet switching allowing high data rate, 100 Mbps in Downlink and 50 Mbps in Uplink, and having the flexibility to be used in different bandwidths ranging from 1.4 MHz up to 20 MHz, this standard is termed LTE (Long Term Evolution).LTE aims to provide a highly efficient, low latency, spectrum flexibility and high capacity to avoid network congestion. The purpose of this paper is to evaluate the congestion avoidance capacity for LTE Network.  The performance evaluation is conducted in terms of system throughput, delay, and Packet Loss Ratio, using different scheduling algorithms implemented at the LTE base station (PF, MLWDF and EXP/PF schedulers). Finally  it  will  be  concluded  that the M-LWDF Scheduling algorithm is the most suitable for all the flows while the EXP/PF algorithm didn’t show a big capacity to avoid congestion for VoIP flows and for the PF algorithm and due to it high delay, big packet loss ratio and low throughput, it’s didn’t demonstrate high performances.
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LTE; VOLTE; Video Over LTE; Scheduling; QoS; Congestion

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John Wiley & Sons 'An Introduction to LTE: LTE, LTE-Advanced, SAE and 4G Mobile Communications, First Edition. ISBN: 9781119970385, Page (8-15) 2012.

3GPP TR 25.913 V8.0.0 LTE: Requirements for Evolved UTRA (E-UTRA) and Evolved UTRAN (E-UTRAN) (Release 8), January 2009.

3GPP TS 32.423 version 10.8.0, Digital cellular telecommunications system; LTE; Release 10, April 2014.

3GPP TS 23.002 V8.5.0, Network architecture (Release8),6-2009.

3GPP TR 24.801 V8.1.0, 3GPP System Architecture Evolution (SAE); CT WG1 aspects (Release 8), December 2008.

3GPP TS 32.423 version 10.8.0, Digital cellular telecommunications system; LTE; Release10, April 2014.

3GPP, Tech. Specif. Group Radio Access Network- Physical Channel and Modulation (Release 8), 3GPP TS 36.211.

T.Dikamba. "Downlink Scheduling in 3GPP Long Term Evolution "(LTE)". MSc Thesis, TUDelft, March 2011.

S. Dardouri, R. Bouallegue." Comparative Study of Scheduling Algorithms for LTE Networks". International Journal of Computer, Information Science and Engineering Vol: 8 No: 3, 2014.

Rabie K. Almatarneh, Mohamed H. Ahmed, Octavia A. Dobre," Performance analysis of Proportional Fair Scheduling in OFDMA Wireless Systems, "in proc. of 72nd IEEE Vehicular Tech. Conference, 6-9 Sept.,2010.

R. Basukala, H. MohdRamli and K. Sandrasegaran. "Performance Analysis of EXP/PF and M-LWDF in Downlink 3GPP LTE System". IEEE F. Asian Himalayas Conf., pp. 1-5, Nov. 2009.

G Piro, LTE-Sim - the LTE simulator. [OnLine] Available: [].

D.Gillman," A Chernoff bound for random walks on expander graphs," Proc. 34th IEEE Symp. On Foundations of Computer Science (FOCS93), vol. SIAM J. Comp.,Vol 27,No 4,1998.

Richard Musable, HadiLarijani and Glasgow, Evaluation of New Scheduling Scheme for VoIP with mobility in 3G LTE. The Fifth International Conference on Communication Theory, Reliability, and Quality of Service 2012.

T. Blajić, D. Nogulić, M. Družijanić., Latency Improvements in 3G Long Term Evolution, Mobile Solutions. Ericsson Nikola Tesla d.d. (LATENCY), May 2007.

E. Dahlman, H. Ekström, A. Furuskär, Y. Jading, J. Karlsson, M. Lundevall, S. Parkvall, The 3G long-term evolution – radio interface concepts and performance evaluation, 63rd Vehicular Technology Conference, VTC 2006 – Spring, Vol. 1, pp. 137–141, IEEE, 2006.

Raman, Y.S.V., Prabhakara Rao, B., Sri Gowri, S., Performance of proposed algorithm based on distributed dynamic channel allocation, (2011) International Journal on Communications Antenna and Propagation (IRECAP), 1 (1), pp. 128-131.

Rep. ITU-R M.2134 - Requirements related to technical performance for IMT-Advanced radio interface(s), ITU-R, 2008.

Saika, A., el Kouch, R., Himmi, M.M., Raouyane, B., Bellafkih, M., IP multimedia subsystem (IMS) architecture and management function for MPLS-based QoS, (2010) International Review on Computers and Software (IRECOS), 5 (6), pp. 706-711.

Yan, G., Peng, Y., Huang, B., A hierarchical QoS routing algorithm based on VMN for MANET, (2013) International Review on Computers and Software (IRECOS), 8 (2), pp. 627-631.


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