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A bandwidth-power efficient modulation scheme based on quaternary quasi-orthogonal sequences SCIE SCOPUS
- Title
- A bandwidth-power efficient modulation scheme based on quaternary quasi-orthogonal sequences
- Date Issued
- 2003-07
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGI
- Abstract
- A novel modulation scheme suitable for noncoherent demodulation based on quaternary quasi-orthogonal sequences is. proposed. Compared to orthogonal modulation, the controlled quasi-orthogonality between the sequences allow significantly increased bandwidth efficiency with little or no degradation in power efficiency. A hardware efficient demodulator structure using fast Walsh transforms is also presented.
- Keywords
- modulation; noncoherent demodulation; quasi-orthogonal sequences (QOSs)
- ISSN
- 1089-7798
- Article Type
- Article
- Citation
- IEEE COMMUNICATIONS LETTERS, vol. 7, no. 6, page. 293 - 295, 2003-07
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Related Researcher
- 전경훈CHEUN, KYUNGWHOON
- Div of IT Convergence Enginrg