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Characteristic of Bit Sequences Applicable to Constant Amplitude Orthogonal Multicode Systems
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/11/25
Print ISSN: 0916-8508
Type of Manuscript: Special Section LETTER (Special Section on Spread Spectrum Techniques and Applications)
orthogonal multicode system, nonlinear amplification, constant amplitude transmission, bent sequence,
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In this letter, the constant amplitude transmission for orthogonal multicode systems is discussed. In order to obtain the high power efficiency, we require the high power amplifier which has non-linear characteristic. The nonlinear distortion, however, may occur because of the multicode signals having large amplitude fluctuations. If we can achieve the constant amplitude transmission, the nonlinear distortion can be neglected. In this letter, I investigate the property of the information bit streams that can achieve the constant amplitude transmission and show that the bent sequences can achieve the constant amplitude transmission.