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Conference Paper
A class of zero-padded spreading sequences for MAI cancellation in DS-CDMA systems
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- Authors
- J.S. Cha, S.I. Song, S.Y. Lee, M.G. Kyeong, K. Tsubouchi
- Issue Date
- 2001-10
- Citation
- Vehicular Technology Conference (VTC) 2001 (Fall), pp.2379-2383
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- We introduce the generation method of the 2- and 4-phase preferred pairs (PPs) with ZCD (zero correlation duration) of (0.5N+1) for a period N. Then, the novel 3- and 5-phase PP that have enlarged ZCD of (0.75N+1) are constructed by using the selected zero padding method to the 2-and 4-phase PP. Using the chip-shift operation, the 3- and 5-phase ZCD sequences that have superior family size to the 2-and 4-phase ZCD sequences are derived.
- KSP Keywords
- 5-phase, CDMA systems, Direct-sequence code-division multiple-access(DS-CDMA), MAI cancellation, Shift Operation, family size, spreading sequences, zero-padding(ZP)