[1]ITU-T Recommendation Y.2012. Functional requirements and architecture of the NGN release 1, 2006

[2]3GPP TS 23.228: IP Multimedia Subsystem (IMS); Stage 2, Release 8 2008

[3]Ozcelebi, T., Radovanovic, R., Chaudron, M.: Enhancing End-to-End QoS for Multimedia Streaming in IMS-Based Networks. In: ICSNC, pp. 48–53, 2007.

[4]Boula, L., Koumaras, H., Kourtis, A.: An Enhanced IMS Architecture Featuring Cross-Layer Monitoring and Adaptation Mechanisms. ICAS, Spain (2009)

[5]IST DAIDALOS - EU FP6,http://www.ist-daidalos.org/

[6]IST ENTHRONE - EU FP6,http://www.ist-enthrone.org/

[7]Houssos, N., et al.: Advanced Adaptability and Profile Management Framework for the Support of Flexible Service Provision. IEEE Wireless Communications, pp.52–61, 2003.

[8]Khan, S.: Quality Adaptation in a Multisession Multimedia System: Model, Algorithms and Architecture. PhD Thesis, Univ. of Victoria, 1998

[9]Wang, Y., Kim, J.-G., Chang, S.-F., Kim, H.-M.: Utility-Based Video Adaptation for Universal Multimedia Access (UMA) and Content-Based Utility Function Prediction for Real-Time Video Transcoding. IEEE Trans. on Multimedia 9(2), pp.213–220, 2007

[10]Guenkova-Luy, T., Kassler, A.J., Mandato, D.: End-to-End Quality-of-Service Coordination for Mobile Multimedia Applications. IEEE J. Selec. Areas Com-mun. 22(5), pp.889–903, 2004

[11]Rosenberg, J., et al.: SIP: Session Initiation Protocol. IETF RFC 3261 2002.

[12]Handley, H., Jacobson, V.: SDP: Session Description Protocol. IETF RFC 2327, 1998.

[13]Khan, S.: Quality Adaptation in a Multisession Multimedia System: Model, Algorithms and Architecture. PhD Thesis, Univ. of Victoria, 1998.

[14]Mukherjee, D., Delfosse, E., Kim, J.-G., Wang, Y.: Optimal Adaptation Decision-Taking for Terminal and Network Quality of Service. IEEE Trans. on Multime-dia 7(3), pp.454–462, 2005

[15]Lea Skorin-Kapov, and Maja Matijasevic, Modeling of a QoS Matching and Optimization Function for Multimedia Services in the NGN, MMNS 2009, LNCS 5842, pp.55–68, 2009.

[16]M. Dorigo, V. Maniezzo, and A. Colorni, Ant system: Optimization by a colony of cooperating agents, IEEE Trans. on System, MAN, and Cybernetics-Part B, vol. 26, pp. 29-41, 1996.

[17]E. Rajo-Iglesias, O. Quevedo-Teruel, Linear Array Synthesis using an Ant Colony Optimization based Algorithm, IEEE Trans. on Antennas and Propagation, 2005.

[18]M. Dorigo, M. Birattari, and T. Stitzle, Ant Colony Optimization: Arificial Ants as a Computational Intelligence Technique, IEEE computational intelligence magazine, November, 2006.

[19]Leguizamon, G., Michalewicz, Z.: A new version of ant system for subset problems. In: Evolutionary Computation, 1999. CEC 99. Proceedings of the 1999 Congress on. Volume 2. 1999

[20]Fidanova, S.: Aco algorithm for mkp using different heuristic information. Lecture Notes in Computer Science 2542, pp.438–444, 2003

[21]Alaya, I., Solnon, C., Gh` edira, K.: Ant algorithm for the multi-dimensional knapsack problem. In: International Conference on Bioinspired Optimization Methods and their Applications (BIOMA 2004) pp.63–72, 2004. 

[22]Ji, J., Huang, Z., Liu, C., Liu, X., Zhong, N.: An Ant Colony Optimization Algorithm for Solving the Multidimensional Knap-sack Problems. In: Proceedings of the 2007 IEEE/WIC/ACM International Conference on Intelligent Agent Technology, IEEE Computer Society, pp.10–16, 2007.

[23]Shahrear Iqbal, Md. Faizul Bari, Dr. M. Sohel Rahman, A novel ACO technique for Fast and Near Optimal Solutions for the Multi-dimensional Multi-choice Knapsack Problem, Proceedings of 13th International Conference on Computer and Information Technology (ICCIT 2010), Dhaka, Bangladesh, pp.33-38, 2010.

[24]Stutzle, T., Hoos, H.H.: Max–min ant system. Future Generation Computer Systems16, pp.889–914, 2000.

[25]Skorin-Kapov, L., Mosmondor, M., Dobrijevic, O., Matijasevic, M.: Application-level QoS Negotiation and Signaling for Advanced Multimedia Services in the IMS. IEEE Comm. Magazine 45(7), pp.108–116, 2007.

[26]Dac-Nhuong Le, Optimizing Resource Allocation to Support QoS Requirements in Next Generation Networks using ACO Algorithm, International Journal of Computer Science and Information Technology & Security (IJCSITS), Vol.2, No.5, pp.931-938, 2012.

[27]Dac-Nhuong Le, Optimizing the cMTS to Improve Quality of Service in Next Generation Networks based on ACO Algorithm, International Journal of Computer Network and Information Security (IJCNIS), Vol.5, No.4, 2013

[28]Dac-Nhuong Le, PSO and ACO Algorithms Applied to optimal Resource Allocation to Support QoS Requirements in Next Generation Networks, International Journal of Information & Network Security (IJINS), Vol.2, No.3, pp.216-228, 2013.

[29]Dac-Nhuong Le, PSO and ACO Algorithms Applied to Optimizing Location of Controllers in Wireless Networks, International Journal of Computer Science and Telecommunications, Vol.3 No.10, pp.1-7.

[30]Dac-Nhuong Le, Nhu Gia Nguyen, and Vinh Trong Le, A Novel Ant Colony Optimization-based Algorithm for the Optimal Centralized Wireless Access Network, Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering (LNICST), Springer 2013