NDLI: Spreading code sharing MPSK-MC-CDMA system for low PAPR in wireless communications

Content Provider	IEEE Xplore Digital Library
Author	Ginige, T. Rajatheva, N. Ahmed, K.M.
Copyright Year	2002
Description	Author affiliation: Telecommun. Program/SAT, Asian Inst. of Technol., Pathumthani, Thailand (Ginige, T.; Rajatheva, N.; Ahmed, K.M.)
Abstract	We introduce a spreading code sharing M-ary PSK multicarrier CDMA (SCS-MPSK-MC-CDMA) system to obtain low peak-to-average-power ratio (PAPR) level in MC-CDMA system. The main advantage of the system is that low PAPR values can be obtained with a large system capacity. However, BER performance is similar to the conventional M-ary PSK MC-CDMA system. The PAPR reduction method of low PAPR spreading code selection (see Thilak Ginige et al., WPMC'00, vol.1., p.39-44, 2000) can be applied with the 4-QAM-OFDM-CDMA system as well as SCS-MPSK-MC-CDMA systems. It can be shown that, by applying this technique, the 15 dB PAPR level of a 90 user conventional MPSK-MC-CDMA system with 128 Walsh Hadamard (WH) code can be reduced to 13 dB by employing 64 WH codes with the same capacity and data rate. The dynamic spreading code allocation technique (see Thilak Ginige et al., IEEE Commun. Letters, p.408-10, 2001) also can be applied in SCS-MPSK-MC-CDMA system to reduce PAPR level further. Since MPSK systems are extremely sensitive to phase errors, the proposed SCS-MPSK-MC-CDMA system can be applied to indoor wireless systems with a larger number of users.
Starting Page	666
Ending Page	670
File Size	332720
Page Count	5
File Format	PDF
ISBN	0780374673
ISSN	10903038
DOI	10.1109/VETECF.2002.1040682
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-09-24
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Peak to average power ratio Wireless communication Phase shift keying Multiaccess communication Multicarrier code division multiple access Binary phase shift keying Frequency Modulation coding Bit error rate Error correction
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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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