NDLI: Forward link capacity of coherent DS-CDMA and MC-CDMA broadband packet wireless access in a multi-cell environment

Content Provider	IEEE Xplore Digital Library
Author	Abeta, S. Atarashi, H. Sawahashi, M.
Copyright Year	2000
Description	Author affiliation: Wireless Res. Lab., NTT DoCoMo Inc., Yokosuka, Japan (Abeta, S.)
Abstract	This paper investigates wireless access schemes, in the forward link that are suitable for wireless broadband packet transmission in a multi-cell environment. The single-carrier (SC)/DS-CDMA, multi-carrier (MC)/DS-CDMA, and MC-CDMA schemes are compared in terms of packet error rate (PER) performance taking into account the impact of other-cell interference assuming the use of cell-site diversity. The results show that, while SC/DS-CDMA (64 Mcps) and MC/DS-CDMA (number of sub-carriers 4, 16 Mcps per sub-carrier) cannot attain the average PER=10/sup -2/ for more than two users, MC-CDMA (number of sub-carriers=512, 156 ksps per sub-carrier) achieves much better performance and realizes simultaneous transmission of approximately 10 users with antenna diversity reception, when the total bandwidth is 80 MHz and the information bit rate per user is 2 Mbps.
Starting Page	2213
Ending Page	2218
File Size	647345
Page Count	6
File Format	PDF
ISBN	0780365070
ISSN	10903038
DOI	10.1109/VETECF.2000.883259
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-09-24
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Multiaccess communication Multicarrier code division multiple access Channel estimation Bandwidth Bit rate Wideband Web and internet services Signal resolution Interference Timing
Content Type	Text
Resource Type	Article

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