NDLI: An adaptive channel reservation scheme for soft handoff in cellular DS-CDMA systems

Content Provider	IEEE Xplore Digital Library
Author	Chang, J.W. Sung, D.K. Ahn, J.H. Kim, J.H.
Copyright Year	1999
Description	Author affiliation: Dept. of Electr. Eng., Korea Adv. Inst. of Sci. & Technol., Seoul, South Korea (Chang, J.W.)
Abstract	In DS-CDMA systems, soft handoff techniques provide seamless connections of mobile call between cells. The reserved capacity for soft handoff calls is required to sufficiently support calls in a soft handoff region. However, since the capacity required by soft handoff calls varies according to environmental factors, the conventional fixed reserved capacity can be excessive if the required channel capacity by soft handoff calls is small and this may cause a considerable amount of unnecessary blocking of new calls. We propose an adaptive channel reservation scheme which reserves channel capacity as much act necessary according to the variation of soft handoff requests. A simulation result shows that the blocking probability of new coils is reduced by 33% compared with the conventional fixed channel reservation scheme and that it is even larger as the offered load decreases or the maximum reserved capacity increases.
Starting Page	2481
Ending Page	2485
File Size	396624
Page Count	5
File Format	PDF
ISBN	0780355652
ISSN	10903038
DOI	10.1109/VETEC.1999.778527
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-05-16
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Multiaccess communication Time division multiple access Frequency division multiaccess Channel capacity Interference Cellular networks Quality of service Intelligent networks Communication networks Laboratories
Content Type	Text
Resource Type	Article

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