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Volume 27 Issue 5
May  2005
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Liu Jia-bin, Zhu Shi-hua, Li Wen-yuan. GoS-Based Call Admission Control Algorithm for Power Controlled WCDMA Networks[J]. Journal of Electronics & Information Technology, 2005, 27(5): 679-682.
Citation: Liu Jia-bin, Zhu Shi-hua, Li Wen-yuan. GoS-Based Call Admission Control Algorithm for Power Controlled WCDMA Networks[J]. Journal of Electronics & Information Technology, 2005, 27(5): 679-682.

GoS-Based Call Admission Control Algorithm for Power Controlled WCDMA Networks

  • Received Date: 2004-05-26
  • Rev Recd Date: 2004-09-20
  • Publish Date: 2005-05-19
  • The proposed Grade of Service based Call Admission Control (GoS-CAC) algorithm operates a threshold comparison, which integrates many factors that affect the decision accuracy of a CAC scheme such as system traffic loads, Quality of Service (QoS) requirements, channel quality, interference level, system GoS and user handoff, etc. The GoS-CAC algorithm cooperates subtly with a power/data rate adjustment scheme making able fast, accurate, adaptive threshold, simple and feasible decision-making about incoming calls. Simulation results show that the proposed algorithm outperforms traditional CAC schemes about 10%, 50% and above 57% in terms of handoff service blocking probability, system GoS and overall system dropping probability, respectively.
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  • Jansen M G, Prasad R. Capacity, throughput, and delay analysis of a cellular DS-CDMA system with imperfect power control and imperfect sectorization[J].IEEE Trans. on Veh. Technol.1995, 44(2):67-[2]Badia L, Zoriz M. A framework for call admission control with threshold setup and evaluation of the performance in WCDMA systems. in Proc. of the IEEE Vehicular Technology Conference (VTC Spring 2003), Cheju, Apr. 2003, vol.2:1213 - 1217.[3]Kim D. Efficient interactive call admission control in powercontrolled mobile systems[J].IEEE Trans. on Veh. Technol.2000,49 (3):1017-[4]Liu Z, Zarki M E. SIR-based call admission control for DS-CDMA cellular systems[J].IEEE J. on Select. Areas Commun.1994, 12 (4):638-[5]Shin S M, Cho C H, Sung D K. Interference-based channel assignment for DS-CDMA cellular systems[J].IEEE Trans. on Veh.Technol.1999, 48 (1):233-[6]Imre S, Hanko K, Petras P, et al.. Efficient call admission control method for 3G/4G WCDMA networks. In Proc. Of 7thInternational Conference on Telecommunications-ConTel 2003,Zagreb, Croatia, June 2003:293 - 300.[7]Kim K, Han Y. A call admission control scheme for multi-rate traffic based on total received power. IEICE Trans. on Commun.,2001, E84-B(3): 457 - 463.[8]Liu Jiabin, Zhu Shihua, Li Wenyuan. A combined rate and power control scheme and its impact on the capacity of multimedia DS-CDMA systems[J].in Proc. of International Conferences on Info-tech and Info-net (IEEE ICII2001), Beijing, Oct.2001,vol.2:156-
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