NDLI: Admission control in frequency hopping GSM systems

Content Provider	IEEE Xplore Digital Library
Author	Beming, P. Frodigh, M.
Copyright Year	1997
Description	Author affiliation: Ericsson Radio Syst. AB, Stockholm, Sweden (Beming, P.)
Abstract	One way to improve the ability to handle offered traffic variations in a cellular system is to use soft capacity, i.e., to have an admission control algorithm that accepts new calls as long as the quality of the already ongoing calls is preserved. The increased flexibility in the use of the radio resources will increase the capacity in the system. In GSM, the operators continuously tighten their cell plans. Suggestions of going to a cluster size of 3 with the help of soft capacity exist. This paper investigates the performance of an admission control algorithm based on the number of active users in each cell. The purpose of the admission control algorithm is to block some calls in order to preserve the quality in the system. By means of simulations it is shown that a traffic load based admission control algorithm works well in a system with cluster size of 3. The results show that the method preserves the quality both when the traffic is uniformly and non-uniformly distributed. The system uses frequency hopping, discontinuous transmission and quality based power control.
Starting Page	1282
Ending Page	1286
File Size	490374
Page Count	5
File Format	PDF
ISBN	0780336593
ISSN	10903038
DOI	10.1109/VETEC.1997.600538
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-05-04
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Admission control Frequency GSM Clustering algorithms Telecommunication traffic Power control Capacity planning Transceivers Traffic control Bandwidth
Content Type	Text
Resource Type	Article

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