NDLI: Design of a Novel Multi-Dimensional HCOC Multi-Code Spread Spectrum System Using Pre-Coding Technique for High Speed Data Transmission of DS-CDMA

Content Provider	IEEE Xplore Digital Library
Author	Hyung Yun Kong Dong Un Lee
Copyright Year	2006
Description	Author affiliation: Dept. of Electr. Eng., Ulsan Univ. (Hyung Yun Kong; Dong Un Lee)
Abstract	Recently, Mc (multi-code) modulation/demodulation (modem) technique has been explored for the high speed data transmission in wireless environment. The conventional Mc modem can generate some side effects such as allocating Walsh codes, which motivates the researchers to propose a novel Mc modem method with sub-code. But this proposed system should expand the size of sub-code to provide high-rate data transmission, which also affect adversely the performance of the system with high PAPR (peak to average power ratio). Thus, in this paper, we propose a novel pre-coded multi-dimensional HCOC (high capacity orthogonal code) Mc modem technique to reduce the high PAPR, which enables the performance improvement. This proposed system can be easily designed by concatenating HCOC Mc modem with the generic Mc modem. The pre-coding technique that is used in this paper is called CAC (constant amplitude coding) helps the system maintain the constant transmission power and reduce the maximum transmission power.
Starting Page	316
Ending Page	319
File Size	4317144
Page Count	4
File Format	PDF
ISBN	1424404266
DOI	10.1109/IFOST.2006.312317
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-10-18
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Multidimensional systems Peak to average power ratio Interference Multiaccess communication HCOC Constant Amplitude Coding DS-CDMA Multidimensional Spread spectrum communication Multi-Code Modems Error correction Error correction codes Data communication Demodulation
Content Type	Text
Resource Type	Article

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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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