NDLI: Performance and capacity evaluations of CDMA mobile radio systems-forward link analysis

Content Provider	IEEE Xplore Digital Library
Author	Behbahani, F. Hashemi, H.
Copyright Year	1994
Description	Author affiliation: Dept. of Electr. Eng., Sharif Univ. of Technol., Tehran, Iran (Behbahani, F.)
Abstract	Performance and capacity of CDMA for mobile radio applications have been studied in detail by extensive computer simulation of large service area consisting of 19 hexagonal cells. Major results of the study are as follows: (i) interference initiating from the pilot tone reduces the 1st percentile of the speech channel's C/I, which offsets the improvements resulting from coherent combining capabilities; for the 10th percentile of C/I distribution, overall improvements resulting from the pilot transmission are 1 dB. (ii) With a pilot channel transmission in the forward link, the slope of the "C/I percentile" versus "number of active mobiles" curve is -2 dB/octave. (iii) The required dynamic range for 1st and 10th percentiles of the C/I distribution are, respectively, 10 dB and 5 dB. (iv) With a 2 dB standard deviation for power control, capacity reduces to 20% of its ideal value. (v) A dynamic range of 12 dB for the transmission power of the base is adequate. (vi) Capacity increases drastically by increasing path loss of transmission.
Starting Page	55
Ending Page	59
File Size	500581
Page Count	5
File Format	PDF
ISBN	9051991932
DOI	10.1109/WNCMF.1994.530765
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-09-18
Publisher Place	Netherlands
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Multiaccess communication Land mobile radio Performance analysis Power control Computer simulation Dynamic range Propagation losses Base stations Power system modeling Application software
Content Type	Text
Resource Type	Article

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