Efficient connection admission control based-code searching algorithm in 3G/mesh networks

Author

El-atty, Saied M Abd ; Lizos, Konstantinos

Author_Institution

Comput. Sci. & Inf. Dept., Al kharj Univ., Wadi Addawasir, Saudi Arabia

fYear

2011

fDate

19-22 Feb. 2011

Firstpage

9

Lastpage

12

Abstract

Code allocation procedure in 3G mobile networks is provided by utilizing the OVSF channelization codes. In OVSF system, blocking of an incoming call (new or handover) can be characterized either as capacity blocking or as code blocking. Therefore, we propose an efficient CAC policy based on guard code scheme to reduce the failure rate of the handover (HO) calls due to code capacity shortage and at the same time CAC policy utilizes two code searching strategies (single code search (SCS) and multiple code search (MCS)) to mitigate the blocking due to code blocking. The adopted analysis of the proposed CAC is based on Markov chain model. The performance evaluation at code-level is measured in terms of code utilization, handover call failure rate and new call blocking probability.

Keywords

3G mobile communication; Markov processes; telecommunication congestion control; 3G mobile network; CAC policy; Markov chain model; OVSF channelization code; call blocking probability; call failure rate; code allocation procedure; code blocking; connection admission control; mesh network; multiple code search; Equations; Markov processes; Mathematical model; Mesh networks; Multiaccess communication; Spread spectrum communication; Steady-state; 3G/Mesh Networks; CAC; Code Searching; Handover;

fLanguage

English

Publisher

ieee

Conference_Titel

GCC Conference and Exhibition (GCC), 2011 IEEE

Conference_Location

Dubai

Print_ISBN

978-1-61284-118-2

Type

conf

DOI

10.1109/IEEEGCC.2011.5752624

Filename

5752624