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Evaluation of BER degradation due to phase nonlinearity of SSPA on MC-CDMA signals

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5 Author(s)
Ichikawa, M. ; Nara Inst. of Sci. & Technol., Japan ; Hara, T. ; Saito, M. ; Okada, M.
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We investigate the influence of both AM/PM conversion and HPA (high power amplifier) nonlinearity by evaluating BER degradations, using an SSPA (solid state power amplifier) for the multi-carrier CDMA (MC-CDMA) system downlink. A simple model of AM/PM conversion to cover individual differences of SSPAs is given for the evaluation. It is shown that AM/PM characteristics have influence on BER degradations and individual differences of SSPAs are considerable for the IBO (input back-off) configuration. The results might give insights for the design of MC-CDMA systems.

Published in:

Personal Wireless Communications, 2005. ICPWC 2005. 2005 IEEE International Conference on

Date of Conference:

23-25 Jan. 2005

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