Proceeding of

NCAICN National Conference 2013



Advances in

Computing & Networking


A Special Issue of

International Journal of Computer Science and Applications



Hon. Shri Sundeepji Meghe

(Chairman, Vidarbha Youth Welfare Society, Amravati)



Dr. V.T. Ingole (FIE, FIETE, Professor Emeritus)


Organizing Committee


Dr. D.T. Ingole (FIE, FIETE)

(Principal PRMIT & R, Badnera and  Chairman IEI  Amravati Center).


 Er. A.W. Jawanjal

(Honorary Secretary IEI, Amravati Center)


Dr. G.R. Bamnote ((FIE, FIETE)

(H.O.D. Computer Science & Engineering)

Dr. A.S. Alvi (MIE)

(H.O.D. Information Technology))

Prof. Mrs. M.D. Ingole (FIE.MIETE)

(H.O.D. Electronics & Telecommunication)


Prof. S.V. Dhopte ((FIE, FIETE)

Prof. Ms. V.M. Deshmukh (FIE, FIETE)

Dr. S.W. Mohod  (FIE,FIETE)


Dr. S.R. Gupta (MIE, MIETE)

Prof. S.V. Pattalwar ((FIE, FIETE)

Prof. M.D. Damahe


Prof. Mrs. M.S. Joshi                

Dr. S.M. Deshmukh

Prof. V.U. Kale

Prof. S.S. Kulkarni

Prof. Ms. R.R. Tuteja

Prof. Ms. J.N. Ingole

Prof. V.R. Raut

Prof. C.N. Deshmukh

Prof. Ms. M.S. Deshmukh

Prof. S.P. Akarte

Prof. Mrs. A.P. Deshmukh

Prof. Mrs. S.S. Sikchi

Prof. N.N. Khalsa

Department of Information and Computer Science and Engineering

Prof. Ram Meghe Institute of Technology and Research, Badnera Distt. Amravati



Prof. K. H. Walse





IJCSA ISSN: 0974-1011 (Online) >>    

QoS Based CAC Scheme for 3G Wireless Cellular Networks-A Review

Mr. Gajanan U. Patil and Prof.C.N.Deshmukh


CAC has been extensively studied in wireless networks as an essential tool for congestion control and QoS provisioning. CAC in wireless networks has been receiving a great deal of attention during the last two decades due to the growing popularity of wireless cellular networks and the central role that CAC plays in QoS provisioning in terms of the signal quality, call blocking and dropping probabilities, packet delay and loss rate, and transmission rate.

Quality-of-service (QoS) plays a major role in wireless cellular networks & it is one of the most important issues from both the users and operators point of view. All the parameters related to QoS are not same important for all users and applications. The satisfaction level of different users also does not depend on same QoS parameters.

Our proposed CAC scheme gives preferential treatment to higher priority calls, such as handoff calls of all class of service (data, voice & video), by reserving some bandwidth to reduce handoff failures. In addition, queuing is also used to enhance the handoff success probability. The scheme uses the effective load as an admission criterion and applies different thresholds for new and handoff calls. Finally, the scheme considers three types of services: video, voice & data calls. It is expected that our scheme reduces the drop handoff calls and increases the total system capacity; hence the Grade-of-Service (GoS) and the system performance can significantly improve.

2013 International Journal of Computer Science and Applications 

Published by Research Publications, India