NDLI: A New Multicarrier CDMA System Exploiting Frequency-Time Diversities

Content Provider	IEEE Xplore Digital Library
Author	Huahui Wang Qi Ling Tongtong Li
Copyright Year	2005
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Michigan State Univ., East Lansing, MI (Huahui Wang; Qi Ling; Tongtong Li)
Abstract	In this paper, a new variant of multicarrier code division multiple access (MC-CDMA) system is proposed and analyzed for time varying multipath fading channels. At the transmitter, data bits at different frequency bands are spread in the time domain and these spread chips are circularly shifted onto different frequency bands while the time lapses. As a result, the spread data chips are assigned to different frequency bands at different times. Significant performance improvement can be achieved compared to the conventional MC-CDMA system. The underlying reason is that in the proposed system, more diversities are introduced by spreading data chips both in the frequency and time domains. In the paper, the performance of the system using different combining techniques is analyzed and compared. Simulation results under different conditions arc also presented
Starting Page	126
Ending Page	130
File Size	278833
Page Count	5
File Format	PDF
ISBN	1424401313
ISSN	10586393
DOI	10.1109/ACSSC.2005.1599716
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-10-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Multiaccess communication Frequency diversity Multicarrier code division multiple access Fading Diversity reception Time varying systems Performance analysis Frequency conversion Wireless communication Frequency domain analysis
Content Type	Text
Resource Type	Article
Subject	Signal Processing Computer Networks and Communications

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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