Abstract
Multi-code CDMA system provides high speed and variable rate services with different quality requirements. Since envelope fluctuation of the multi-code signal is large, the system requires highly linear power amplifier. In this paper, we consider a binary level multi-code pulse width (PW-) CDMA system. In the system, linear sum of orthogonal codes is truncated and pulse width modulated. Since the transmitting signal has constant envelope, and the receiver structure is very simple, the system is appropriate for low cost high data rate applications. However, the performance of the system is heavily affected by the selection of code set. In this paper, we investigate the bit error performance of the system according to the combination of orthogonal codes, and we propose algorithms for selecting code set.
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Kim, S.P., Oh, J.K., Kim, M.J., Ahn, H.S., Ryu, S.M. (2002). On the Selection of Code Set for Binary Multi-code CDMA System. In: Chong, I. (eds) Information Networking: Wireless Communications Technologies and Network Applications. ICOIN 2002. Lecture Notes in Computer Science, vol 2344. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45801-8_26
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DOI: https://doi.org/10.1007/3-540-45801-8_26
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